DE69926343D1 - Vielfachzugriffsverfahren und -system - Google Patents

Vielfachzugriffsverfahren und -system

Info

Publication number
DE69926343D1
DE69926343D1 DE69926343T DE69926343T DE69926343D1 DE 69926343 D1 DE69926343 D1 DE 69926343D1 DE 69926343 T DE69926343 T DE 69926343T DE 69926343 T DE69926343 T DE 69926343T DE 69926343 D1 DE69926343 D1 DE 69926343D1
Authority
DE
Germany
Prior art keywords
processing
frequency
protocols
wideband
reduce
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69926343T
Other languages
English (en)
Other versions
DE69926343T2 (de
Inventor
Steven J Shattil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Genghiscomm Corp
Original Assignee
Genghiscomm Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Genghiscomm Corp filed Critical Genghiscomm Corp
Publication of DE69926343D1 publication Critical patent/DE69926343D1/de
Application granted granted Critical
Publication of DE69926343T2 publication Critical patent/DE69926343T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/04—Arrangements for detecting or preventing errors in the information received by diversity reception using frequency diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/717—Pulse-related aspects
    • H04B1/7174—Pulse generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0697—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using spatial multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/12—Frequency diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0077—Multicode, e.g. multiple codes assigned to one user
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0298—Wavelength-division multiplex systems with sub-carrier multiplexing [SCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2637—Modulators with direct modulation of individual subcarriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2697—Multicarrier modulation systems in combination with other modulation techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0016—Time-frequency-code
    • H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
DE69926343T 1998-02-12 1999-02-10 Vielfachzugriffsverfahren und -system Expired - Lifetime DE69926343T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22950 1998-02-12
US09/022,950 US5955992A (en) 1998-02-12 1998-02-12 Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter
PCT/US1999/002838 WO1999041871A1 (en) 1998-02-12 1999-02-10 Multiple access method and system

Publications (2)

Publication Number Publication Date
DE69926343D1 true DE69926343D1 (de) 2005-09-01
DE69926343T2 DE69926343T2 (de) 2006-06-01

Family

ID=21812271

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69926343T Expired - Lifetime DE69926343T2 (de) 1998-02-12 1999-02-10 Vielfachzugriffsverfahren und -system

Country Status (14)

Country Link
US (6) US5955992A (de)
EP (1) EP1053615B1 (de)
JP (1) JP4222728B2 (de)
KR (1) KR100734448B1 (de)
CN (1) CN100355230C (de)
AT (1) ATE300817T1 (de)
AU (1) AU762685B2 (de)
BR (1) BR9907892A (de)
CA (1) CA2321748A1 (de)
DE (1) DE69926343T2 (de)
EA (1) EA002914B1 (de)
ID (1) ID25666A (de)
IL (1) IL137731A0 (de)
WO (1) WO1999041871A1 (de)

Families Citing this family (630)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6275543B1 (en) 1996-10-11 2001-08-14 Arraycomm, Inc. Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
US7035661B1 (en) 1996-10-11 2006-04-25 Arraycomm, Llc. Power control with signal quality estimation for smart antenna communication systems
US6463295B1 (en) 1996-10-11 2002-10-08 Arraycomm, Inc. Power control with signal quality estimation for smart antenna communication systems
US6493338B1 (en) 1997-05-19 2002-12-10 Airbiquity Inc. Multichannel in-band signaling for data communications over digital wireless telecommunications networks
US6690681B1 (en) * 1997-05-19 2004-02-10 Airbiquity Inc. In-band signaling for data communications over digital wireless telecommunications network
US7430257B1 (en) * 1998-02-12 2008-09-30 Lot 41 Acquisition Foundation, Llc Multicarrier sub-layer for direct sequence channel and multiple-access coding
US6615024B1 (en) 1998-05-01 2003-09-02 Arraycomm, Inc. Method and apparatus for determining signatures for calibrating a communication station having an antenna array
US6144704A (en) * 1998-08-04 2000-11-07 Motorola, Inc. Phase domain multiplexed communications system
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
FI112741B (fi) 1998-11-26 2003-12-31 Nokia Corp Menetelmä ja järjestely RF-signaalien lähettämiseksi ja vastaanottamiseksi tiedonsiirtojärjestelmien erilaisissa radiorajapinnoissa
US7209725B1 (en) 1999-01-22 2007-04-24 Parkervision, Inc Analog zero if FM decoder and embodiments thereof, such as the family radio service
US7106689B1 (en) * 1999-03-02 2006-09-12 Matsushita Electric Industrial Co., Ltd. OFDM transmission/reception apparatus
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US6600914B2 (en) 1999-05-24 2003-07-29 Arraycomm, Inc. System and method for emergency call channel allocation
US6275322B1 (en) * 1999-06-08 2001-08-14 Jds Uniphase Corporation Michelson phase shifter interleaver/deinterleavers
US7139592B2 (en) 1999-06-21 2006-11-21 Arraycomm Llc Null deepening for an adaptive antenna based communication station
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7415061B2 (en) * 1999-08-31 2008-08-19 Broadcom Corporation Cancellation of burst noise in a communication system with application to S-CDMA
US20030102997A1 (en) * 2000-02-13 2003-06-05 Hexagon System Engineering Ltd. Vehicle communication network
US7827581B1 (en) * 2000-02-29 2010-11-02 BE Labs, Inc. Wireless multimedia system
US6928084B2 (en) 2000-03-28 2005-08-09 At & T Corp. OFDM communication system and method having a reduced peak-to-average power ratio
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US6515622B1 (en) * 2000-06-13 2003-02-04 Hrl Laboratories, Llc Ultra-wideband pulse coincidence beamformer
US7639597B2 (en) * 2000-07-19 2009-12-29 Steve J Shattil Method and apparatus for transmitting signals having a carrier-interferometry architecture
US7295509B2 (en) * 2000-09-13 2007-11-13 Qualcomm, Incorporated Signaling method in an OFDM multiple access system
US9130810B2 (en) * 2000-09-13 2015-09-08 Qualcomm Incorporated OFDM communications methods and apparatus
US7092440B1 (en) * 2000-09-27 2006-08-15 Ut-Battelle Llc Hybrid spread-spectrum technique for expanding channel capacity
US6795409B1 (en) 2000-09-29 2004-09-21 Arraycomm, Inc. Cooperative polling in a wireless data communication system having smart antenna processing
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US8670390B2 (en) 2000-11-22 2014-03-11 Genghiscomm Holdings, LLC Cooperative beam-forming in wireless networks
WO2002049306A2 (en) * 2000-12-15 2002-06-20 Broadstorm Telecommunications, Inc. Multi-carrier communications with group-based subcarrier allocation
US6947748B2 (en) * 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
JP4125958B2 (ja) * 2000-12-30 2008-07-30 アクイティ・リミテッド・ライアビリティ・カンパニー キャリア干渉法符号化およびマルチキャリア処理
US7391819B1 (en) * 2002-10-08 2008-06-24 Urbain Alfred von der Embse Capacity bound and modulation for communications
US7177344B2 (en) 2001-03-14 2007-02-13 Mercury Computer Systems, Inc. Wireless communication systems and methods for long-code communications for regenerative multiple user detection involving implicit waveform subtraction
US6486827B2 (en) * 2001-04-18 2002-11-26 Raytheon Company Sparse frequency waveform radar system and method
US10355720B2 (en) 2001-04-26 2019-07-16 Genghiscomm Holdings, LLC Distributed software-defined radio
US10931338B2 (en) 2001-04-26 2021-02-23 Genghiscomm Holdings, LLC Coordinated multipoint systems
US9819449B2 (en) 2002-05-14 2017-11-14 Genghiscomm Holdings, LLC Cooperative subspace demultiplexing in content delivery networks
US10425135B2 (en) 2001-04-26 2019-09-24 Genghiscomm Holdings, LLC Coordinated multipoint systems
US9893774B2 (en) 2001-04-26 2018-02-13 Genghiscomm Holdings, LLC Cloud radio access network
US6788268B2 (en) * 2001-06-12 2004-09-07 Ipr Licensing, Inc. Method and apparatus for frequency selective beam forming
AU2002345190A1 (en) * 2001-06-28 2003-03-03 King's College London Electronic data communication system
GB2379105B (en) * 2001-08-24 2003-07-09 Roke Manor Research Improvements relating to fast frequency-hopping modulators and demodulators
FR2829327A1 (fr) * 2001-09-06 2003-03-07 Cit Alcatel Reseau en anneau realise a partir d'un bus optique double
US20030100467A1 (en) * 2001-09-12 2003-05-29 Wolfgang Aehle Binding phenol oxidizing enzyme-peptide complexes
US7085335B2 (en) * 2001-11-09 2006-08-01 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
WO2003061084A1 (de) * 2002-01-19 2003-07-24 Spheron Vr Ag Verfahren und vorrichtung zur entfernungsmessung
JP3407254B1 (ja) * 2002-01-31 2003-05-19 富士通株式会社 データ伝送システム及びデータ伝送制御方法
US8325590B2 (en) * 2002-02-27 2012-12-04 Apple Inc. OFDM communications system
US7924347B2 (en) * 2002-03-29 2011-04-12 Weiss S Merrill Digital signal transmitter synchronization system
US9225471B2 (en) 2002-05-14 2015-12-29 Genghiscomm Holdings, LLC Cooperative subspace multiplexing in communication networks
US9628231B2 (en) 2002-05-14 2017-04-18 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
US9136931B2 (en) 2002-05-14 2015-09-15 Genghiscomm Holdings, LLC Cooperative wireless networks
US10200227B2 (en) 2002-05-14 2019-02-05 Genghiscomm Holdings, LLC Pre-coding in multi-user MIMO
US10142082B1 (en) 2002-05-14 2018-11-27 Genghiscomm Holdings, LLC Pre-coding in OFDM
US9270421B2 (en) 2002-05-14 2016-02-23 Genghiscomm Holdings, LLC Cooperative subspace demultiplexing in communication networks
US10644916B1 (en) 2002-05-14 2020-05-05 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
US8942082B2 (en) 2002-05-14 2015-01-27 Genghiscomm Holdings, LLC Cooperative subspace multiplexing in content delivery networks
US20040005016A1 (en) * 2002-07-08 2004-01-08 Ahmed Tewfik High bit rate ultra-wideband OFDM
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7539271B2 (en) * 2002-08-16 2009-05-26 Wisair Ltd. System and method for multi-band ultra-wide band signal generators
US7529177B2 (en) 2002-08-28 2009-05-05 Agere Systems Inc. Dithering scheme using multiple antennas for OFDM systems
JP4318510B2 (ja) * 2002-08-28 2009-08-26 パナソニック株式会社 通信装置および通信方法
KR100860460B1 (ko) * 2002-09-28 2008-09-25 주식회사 케이티 안테나 다이버시티를 이용한 직교주파수분할다중화수신기에서의 디지털 신호 처리 장치 및 그 방법
US20040141559A1 (en) * 2002-10-24 2004-07-22 Tewfik Ahmed H. Generating UWB-OFDM signal using sigma-delta modulator
KR100532586B1 (ko) * 2002-10-30 2005-12-02 한국전자통신연구원 직교부호와 비이진 신호값을 이용한코드분할다중접속/직교주파수분할다중 방식의 송/수신장치 및 그 방법
ES2351564B1 (es) * 2008-12-23 2011-11-25 Golay Coding Modulation, S.L. Metodo y aparato para la obtencion de inmunidad a la diferencia de fase y el efecto doppler en sistemas de deteccion y comunicaciones.
DE10304431A1 (de) * 2003-02-04 2004-08-05 Lindenmeier, Heinz, Prof. Dr.-Ing. Scanning-Antennen-Diversitysystem für den FM-Hörrundfunk für Fahrzeuge
WO2005004367A2 (ja) * 2003-07-02 2005-01-13 Matsushita Electric Ind Co Ltd 通信装置および通信方法
US8149961B1 (en) 2003-08-04 2012-04-03 Regents Of The University Of Minnesota Ranging in multi-band communication systems
CN1849769B (zh) * 2003-09-15 2010-06-16 英特尔公司 利用高吞吐量空间频率分组码的多天线系统和方法
US7489665B1 (en) 2003-10-29 2009-02-10 Regents Of The University Of Minnesota Enhanced time resolution using multiple receptions
MXPA06008226A (es) * 2004-01-19 2007-04-16 Korea Electronics Telecomm Aparato y metodo para la modulacion de un repetidor de canal.
DE102004011706B4 (de) * 2004-03-10 2006-03-30 Infineon Technologies Ag Automatische Auswahl des Übertragungsstandards bei mobilen Funkempfängern
EP1756971B1 (de) * 2004-05-26 2013-04-10 Wireless Extenders, Inc. Drahtloser zwischenverstärker für ein duplex-kommunikationssystem zur implementierung eines schutzes auf der basis von oszillationsdetektion
US7151476B2 (en) * 2004-06-28 2006-12-19 M/A-Com, Inc. Radar system having a beamless emission signature
US7263335B2 (en) 2004-07-19 2007-08-28 Purewave Networks, Inc. Multi-connection, non-simultaneous frequency diversity in radio communication systems
US7460839B2 (en) 2004-07-19 2008-12-02 Purewave Networks, Inc. Non-simultaneous frequency diversity in radio communication systems
US9148256B2 (en) 2004-07-21 2015-09-29 Qualcomm Incorporated Performance based rank prediction for MIMO design
US9137822B2 (en) 2004-07-21 2015-09-15 Qualcomm Incorporated Efficient signaling over access channel
FR2873876B1 (fr) * 2004-07-27 2006-11-17 Cnes Epic Procede d'etalement de spectre avec effacement de sous- bandes
US11184037B1 (en) 2004-08-02 2021-11-23 Genghiscomm Holdings, LLC Demodulating and decoding carrier interferometry signals
US11552737B1 (en) 2004-08-02 2023-01-10 Genghiscomm Holdings, LLC Cooperative MIMO
US11431386B1 (en) 2004-08-02 2022-08-30 Genghiscomm Holdings, LLC Transmit pre-coding
US8031642B2 (en) * 2004-10-20 2011-10-04 Zte (Usa) Inc. Subcarrier cluster-based power control in wireless communications
US7877064B2 (en) * 2004-11-01 2011-01-25 General Instrument Corporation Methods, apparatus and systems for terrestrial wireless broadcast of digital data to stationary receivers
US7593473B2 (en) * 2004-12-01 2009-09-22 Bae Systems Information And Electronic Systems Integration Inc. Tree structured multicarrier multiple access systems
US7573851B2 (en) 2004-12-07 2009-08-11 Adaptix, Inc. Method and system for switching antenna and channel assignments in broadband wireless networks
US7324256B1 (en) * 2004-12-27 2008-01-29 Hrl Laboratories, Llc Photonic oscillator
KR100643150B1 (ko) * 2005-01-05 2006-11-10 오소트론 주식회사 첩 신호의 반복 시간 간격 차이를 이용한 차분적 직교변조 방법 및 장치
US7508810B2 (en) 2005-01-31 2009-03-24 Airbiquity Inc. Voice channel control of wireless packet data communications
US9246560B2 (en) 2005-03-10 2016-01-26 Qualcomm Incorporated Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
US9154211B2 (en) 2005-03-11 2015-10-06 Qualcomm Incorporated Systems and methods for beamforming feedback in multi antenna communication systems
US8446892B2 (en) 2005-03-16 2013-05-21 Qualcomm Incorporated Channel structures for a quasi-orthogonal multiple-access communication system
US9143305B2 (en) 2005-03-17 2015-09-22 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9520972B2 (en) 2005-03-17 2016-12-13 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9461859B2 (en) 2005-03-17 2016-10-04 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
JP4561443B2 (ja) * 2005-03-31 2010-10-13 富士通株式会社 Ｍ相差分位相偏移変調方式に対応した光受信器
US9184870B2 (en) 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
US9036538B2 (en) 2005-04-19 2015-05-19 Qualcomm Incorporated Frequency hopping design for single carrier FDMA systems
US9408220B2 (en) 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
CN101053189B (zh) * 2005-05-16 2012-05-23 三菱电机株式会社 解调装置、接收装置以及解调方法
US8565194B2 (en) 2005-10-27 2013-10-22 Qualcomm Incorporated Puncturing signaling channel for a wireless communication system
US8879511B2 (en) 2005-10-27 2014-11-04 Qualcomm Incorporated Assignment acknowledgement for a wireless communication system
US8611284B2 (en) 2005-05-31 2013-12-17 Qualcomm Incorporated Use of supplemental assignments to decrement resources
US8462859B2 (en) 2005-06-01 2013-06-11 Qualcomm Incorporated Sphere decoding apparatus
US20070002724A1 (en) * 2005-06-15 2007-01-04 Samsung Electronics Co., Ltd. Apparatus and method for broadcast superposition and cancellation in a multi-carrier wireless network
US7894818B2 (en) * 2005-06-15 2011-02-22 Samsung Electronics Co., Ltd. Apparatus and method for multiplexing broadcast and unicast traffic in a multi-carrier wireless network
US8599945B2 (en) 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
US9179319B2 (en) 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
US7876845B2 (en) 2005-06-22 2011-01-25 Eices Research, Inc. Wireless communications systems and/or methods providing low interference, high privacy and/or cognitive flexibility
US8233554B2 (en) 2010-03-29 2012-07-31 Eices Research, Inc. Increased capacity communications for OFDM-based wireless communications systems/methods/devices
US8050337B2 (en) * 2005-06-22 2011-11-01 Eices Research, Inc. Systems, methods, devices, and/or computer program products for providing communications devoid of cyclostationary features
USRE47633E1 (en) 2005-06-22 2019-10-01 Odyssey Wireless Inc. Systems/methods of conducting a financial transaction using a smartphone
US8670493B2 (en) 2005-06-22 2014-03-11 Eices Research, Inc. Systems and/or methods of increased privacy wireless communications
EP1739908A1 (de) * 2005-06-30 2007-01-03 STMicroelectronics N.V. Verfahren und Einrichtung zur Reduzierung der Interferenzen zwischen einem breitbandigen Gerät und einem störenden schmalbandigen Gerät
EP1739909A1 (de) * 2005-06-30 2007-01-03 STMicroelectronics N.V. Verfahren und Einrichtung zur Reduzierung der Interferenzen zwischen einem breitbandigen Gerät und einem störenden schmalbandigen Gerät
US8885628B2 (en) 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
US20070041457A1 (en) 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
US9209956B2 (en) 2005-08-22 2015-12-08 Qualcomm Incorporated Segment sensitive scheduling
US8644292B2 (en) 2005-08-24 2014-02-04 Qualcomm Incorporated Varied transmission time intervals for wireless communication system
US9136974B2 (en) 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
US9225416B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
PL1941647T3 (pl) * 2005-10-27 2013-10-31 Qualcomm Inc Kodowanie wstępne dla segmentu wrażliwego na planowanie w systemach komunikacji bezprzewodowej
US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US8582548B2 (en) 2005-11-18 2013-11-12 Qualcomm Incorporated Frequency division multiple access schemes for wireless communication
CN104683085B (zh) * 2005-12-02 2018-12-07 Iii 控股6有限责任公司 具有删除的子载频的零开销信令的ofdm认知无线电
US7720437B2 (en) * 2005-12-08 2010-05-18 University Of South Florida Zero-order energy smart antenna and repeater
US20110096861A1 (en) * 2005-12-16 2011-04-28 Nokia Corporation Low complexity method and apparatus to append a cyclic extension to a continuous phase modulation (cpm) signal
US7924775B2 (en) * 2006-03-17 2011-04-12 Samsung Electronics Co., Ltd. Apparatus and method for selecting modulation and filter roll-off to meet power and bandwidth requirements
KR101154629B1 (ko) * 2006-05-11 2012-06-11 엘지이노텍 주식회사 다이렉트 컨버젼 방식의 ｒｆｉｄ 시스템
US7941091B1 (en) * 2006-06-19 2011-05-10 Rf Magic, Inc. Signal distribution system employing a multi-stage signal combiner network
US7729441B2 (en) * 2006-08-03 2010-06-01 Pine Valley Investments, Inc. Method and system for data transmission with decreased bit error rate
CN101297486B (zh) 2006-09-25 2010-05-19 华为技术有限公司 携带同步编码的信息和帧定时同步的方法
US8565690B2 (en) * 2006-11-08 2013-10-22 Massachusetts Institute Of Technology Method and apparatus for signal searching
US7827450B1 (en) * 2006-11-28 2010-11-02 Marvell International Ltd. Defect detection and handling for memory based on pilot cells
US8687563B2 (en) * 2007-01-09 2014-04-01 Stmicroelectronics, Inc. Simultaneous sensing and data transmission
US8792922B2 (en) * 2007-02-28 2014-07-29 Qualcomm Incorporated Uplink scheduling for fairness in channel estimation performance
WO2008109061A2 (en) * 2007-03-01 2008-09-12 Lightfleet Corporation Time domain symbols
US8819110B2 (en) * 2007-04-16 2014-08-26 Blackberry Limited System and method for real-time data transmission using adaptive time compression
US7903720B2 (en) * 2007-06-13 2011-03-08 Simmonds Precision Products, Inc. Alternative direct sequence spread spectrum symbol to chip mappings and methods for generating the same
WO2009005326A2 (en) * 2007-07-04 2009-01-08 Lg Electronics Inc. Digital broadcasting system and method of processing data
DE102008009180A1 (de) 2007-07-10 2009-01-22 Sick Ag Optoelektronischer Sensor
US8804810B1 (en) * 2007-08-23 2014-08-12 Lockheed Martin Corporation Wideband signal synthesis
US20090079646A1 (en) * 2007-09-21 2009-03-26 Harris Corporation Radio frequency device for unmixing polarized signals and associated methods
US7979095B2 (en) 2007-10-20 2011-07-12 Airbiquity, Inc. Wireless in-band signaling with in-vehicle systems
GB0721429D0 (en) * 2007-10-31 2007-12-12 Icera Inc Processing signals in a wireless communications environment
US7948680B2 (en) 2007-12-12 2011-05-24 Northrop Grumman Systems Corporation Spectral beam combination using broad bandwidth lasers
US8235906B2 (en) * 2007-12-31 2012-08-07 The Brigham And Women's Hospital, Inc. System and method for accelerated focused ultrasound imaging
FR2926944B1 (fr) * 2008-01-30 2010-03-26 Wavecom Procede et dispositif d'obtention d'au moins une frequence de calibrage pour le calibrage d'une chaine de transmission, produit programme d'ordinateur et moyen de stockage correspondants
US8050289B1 (en) * 2008-02-01 2011-11-01 Zenverge, Inc. Media transmission using aggregated bandwidth of disparate communication channels
KR20090085504A (ko) * 2008-02-04 2009-08-07 한국전자통신연구원 직교 주파수 분할 다중 접속 기반의 셀룰러 시스템에서의 간섭 완화 방법
US7855995B1 (en) 2008-02-11 2010-12-21 Urbain A. von der Embse QLM maximum likelihood demodulation
US8718476B2 (en) * 2008-02-27 2014-05-06 Xtera Communications, Inc. Tunable optical discriminator
US20090227221A1 (en) * 2008-03-06 2009-09-10 Legend Silicon Corp. Method and apparatus for bi-orthogonal projection for coefficients estimation in vsb channel modeling
US7916762B2 (en) * 2008-05-27 2011-03-29 Lawrence Livermore National Security, Llc Phased laser array with tailored spectral and coherence properties
US8731010B2 (en) 2008-05-27 2014-05-20 Lawrence Livermore National Security, Llc Phased laser array with tailored spectral and coherence properties
EP2128992A1 (de) * 2008-05-30 2009-12-02 STMicroelectronics N.V. Verfahren und Vorrichtung zur Kerbung des Übertragungsbandes eines Analogsignals, insbesondere für einen DAA-Betriebsmodus eines MB-OFDM-Systems
US9374746B1 (en) 2008-07-07 2016-06-21 Odyssey Wireless, Inc. Systems/methods of spatial multiplexing
US20160286532A1 (en) * 2012-01-24 2016-09-29 Odyssey Wireless, Inc. Systems/methods of preferentially using a first asset, refraining from using a second asset and providing reduced levels of interference to gps and/or satellites
US8355666B2 (en) * 2008-09-10 2013-01-15 Qualcomm Incorporated Apparatus and method for interference-adaptive communications
US7983310B2 (en) * 2008-09-15 2011-07-19 Airbiquity Inc. Methods for in-band signaling through enhanced variable-rate codecs
US8594138B2 (en) 2008-09-15 2013-11-26 Airbiquity Inc. Methods for in-band signaling through enhanced variable-rate codecs
JP5141498B2 (ja) * 2008-10-30 2013-02-13 富士通株式会社 光送受信システム，光送信器，光受信器および光送受信方法
KR101151048B1 (ko) * 2008-11-25 2012-06-01 한국전자통신연구원 부분 주파수 재사용 기법을 적용한 지상보조장치를 포함하는 이동 위성 통신 장치 및 방법
JP5307520B2 (ja) * 2008-11-25 2013-10-02 株式会社メガチップス 画像圧縮装置
US8588204B2 (en) * 2009-02-13 2013-11-19 The Indian Institute Of Technology, Kharagpur Efficient channel estimation method using superimposed training for equalization in uplink OFDMA systems
US8295258B2 (en) * 2009-02-17 2012-10-23 Wavion, Ltd Enhancing WLAN performance in the presence of interference
US7907512B1 (en) 2009-03-03 2011-03-15 Urbain A. von der Embse OFDM and SC-OFDM QLM
EP2226650B1 (de) 2009-03-04 2011-08-17 Sick Ag Optoelektronischer Sensor
DE202009018078U1 (de) * 2009-03-04 2011-01-20 Sick Ag Optoelektronischer Sensor
US8982803B1 (en) 2009-03-05 2015-03-17 Marvell International Ltd. Systems and methods for link adaption in wireless communication systems
US8611288B1 (en) * 2009-03-05 2013-12-17 Marvell International Ltd Systems and methods for link adaptation in wireless communication systems
US8908595B2 (en) * 2009-03-12 2014-12-09 Qualcomm Incorporated Methods and apparatus for adjacent channel interference mitigation in access point base stations
US9077493B2 (en) * 2009-04-17 2015-07-07 Intel Mobile Communications GmbH System and method for establishing a localized single frequency network
EP2244102A1 (de) * 2009-04-21 2010-10-27 Astrium Limited Radarsystem
US8036600B2 (en) 2009-04-27 2011-10-11 Airbiquity, Inc. Using a bluetooth capable mobile phone to access a remote network
US8422541B2 (en) * 2009-05-29 2013-04-16 Alcatel Lucent Channel estimation in a multi-channel communication system using pilot signals having quasi-orthogonal subpilots
US8761230B2 (en) * 2009-06-08 2014-06-24 Adeptence, Llc Method and apparatus for continuous phase modulation preamble encoding and decoding
US8670432B2 (en) 2009-06-22 2014-03-11 Qualcomm Incorporated Methods and apparatus for coordination of sending reference signals from multiple cells
EP2457354B1 (de) 2009-06-26 2020-09-09 PlusN, LLC System und verfahren zur steuerung kombinierter funksignale
US8306096B2 (en) * 2009-06-26 2012-11-06 Qualcomm Incorporated Interference reduction using variable digital-to-analog converter (DAC) sampling rates
US9077427B2 (en) * 2009-07-30 2015-07-07 Spatial Digital Systems, Inc. Coherent power combining via wavefront multiplexing on deep space spacecraft
US10149298B2 (en) * 2009-07-30 2018-12-04 Spatial Digital Systems, Inc. Dynamic power allocations for direct broadcasting satellite (DBS) channels via wavefront multiplexing
US8111646B1 (en) * 2009-07-30 2012-02-07 Chang Donald C D Communication system for dynamically combining power from a plurality of propagation channels in order to improve power levels of transmitted signals without affecting receiver and propagation segments
US8418039B2 (en) * 2009-08-03 2013-04-09 Airbiquity Inc. Efficient error correction scheme for data transmission in a wireless in-band signaling system
US8565811B2 (en) * 2009-08-04 2013-10-22 Microsoft Corporation Software-defined radio using multi-core processor
CN101998610B (zh) 2009-08-08 2014-06-11 中兴通讯股份有限公司 降低多载波相互干扰的方法与装置
CN101998595B (zh) * 2009-08-08 2014-12-10 中兴通讯股份有限公司 降低多载波相互干扰的方法与装置
CN101998594B (zh) * 2009-08-08 2014-04-30 中兴通讯股份有限公司 降低多载波相互干扰的方法与装置
CN101998592B (zh) * 2009-08-08 2014-02-05 中兴通讯股份有限公司 降低多载波相互干扰的方法与装置
CN101998593B (zh) * 2009-08-08 2014-09-10 中兴通讯股份有限公司 降低多载波相互干扰的方法与装置
CN101997795B (zh) * 2009-08-08 2015-01-28 中兴通讯股份有限公司 降低多载波相互干扰的方法与装置
CN101997794B (zh) * 2009-08-08 2015-01-28 中兴通讯股份有限公司 降低多载波相互干扰的方法与装置
US8611820B2 (en) * 2009-09-22 2013-12-17 Qualcomm Incorporated Signal separation for energy harvesting
US20110069749A1 (en) * 2009-09-24 2011-03-24 Qualcomm Incorporated Nonlinear equalizer to correct for memory effects of a transmitter
US9753884B2 (en) * 2009-09-30 2017-09-05 Microsoft Technology Licensing, Llc Radio-control board for software-defined radio platform
PL2484074T3 (pl) * 2009-09-30 2014-12-31 Optis Wireless Technology Llc Rekonfiguracja zestawu aktywnych nośnych składowych w bezprzewodowych systemach wielu nośnych
JP5388351B2 (ja) * 2009-11-19 2014-01-15 株式会社Ｎｔｔドコモ 受信装置及び受信方法
US8249865B2 (en) 2009-11-23 2012-08-21 Airbiquity Inc. Adaptive data transmission for a digital in-band modem operating over a voice channel
US8627189B2 (en) * 2009-12-03 2014-01-07 Microsoft Corporation High performance digital signal processing in software radios
US20110136439A1 (en) * 2009-12-04 2011-06-09 Microsoft Corporation Analyzing Wireless Technologies Based On Software-Defined Radio
US8239737B2 (en) * 2009-12-10 2012-08-07 Intel Corporation Data line storage and transmission utilizing both error correcting code and synchronization information
US20140098955A1 (en) * 2009-12-15 2014-04-10 Los Alamos National Security, Llc Quantum enabled security for optical communications
EP2346224A1 (de) 2010-01-13 2011-07-20 Panasonic Corporation Pilotmuster für OFDM-Systeme mit vier Übertragungsantennen
US8605761B2 (en) * 2010-01-18 2013-12-10 Optical Physics Company Multi-beam laser control system and method
KR101651682B1 (ko) * 2010-02-16 2016-08-26 삼성전자주식회사 다중 반송파를 사용하는 이동 통신 시스템에서 반송파 컴퍼넌트를 통해 데이터를 송수신하는 방법 및 장치
JP5321499B2 (ja) * 2010-02-23 2013-10-23 セイコーエプソン株式会社 信号捕捉方法
JP5321500B2 (ja) * 2010-02-23 2013-10-23 セイコーエプソン株式会社 信号捕捉方法
US8265921B2 (en) * 2010-02-25 2012-09-11 The Aerospace Corporation Systems and methods for concurrently emulating multiple channel impairments
EP2540127B1 (de) 2010-02-28 2019-07-24 Celeno Communications Ltd. Verfahren für einzelstrom-strahlformung mit gemischten leistungsbeschränkungen
US9544004B2 (en) * 2010-03-12 2017-01-10 Sunrise Micro Devices, Inc. Power efficient communications
US20110228939A1 (en) * 2010-03-16 2011-09-22 Telcordia Technologies, Inc. System and methods for ocdm-based optical encryption using subsets of phase-locked frequency lines
FR2957735B1 (fr) * 2010-03-18 2012-04-13 Alcatel Lucent Procede d'optimisation de la capacite des reseaux optiques de communication
US20110235619A1 (en) * 2010-03-29 2011-09-29 Ntt Docomo Inc. Enhanced frequency diversity technique for systems with carrier aggregation
US9806790B2 (en) 2010-03-29 2017-10-31 Odyssey Wireless, Inc. Systems/methods of spectrally efficient communications
CN102959902B (zh) 2010-04-12 2017-06-13 高通股份有限公司 检测用于在网络中进行低开销通信的定界符
US8331417B2 (en) 2010-04-20 2012-12-11 Los Alamos National Security, Llc Energy efficiency in wireless communication systems
US20120269239A1 (en) * 2011-04-20 2012-10-25 Mykhaylo Sabelkin Method and Apparatus for Data Transmission Oriented on the Object, Communication Media, Agents, and State of Communication Systems
US8913686B2 (en) 2010-05-07 2014-12-16 Yale University Sparse superposition encoder and decoder for communications system
US8867561B2 (en) * 2010-05-10 2014-10-21 Comcast Cable Communications, Llc Managing upstream transmission in a network
US9071285B2 (en) 2011-05-26 2015-06-30 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system
US10667148B1 (en) 2010-05-28 2020-05-26 Cohere Technologies, Inc. Methods of operating and implementing wireless communications systems
US9444514B2 (en) 2010-05-28 2016-09-13 Cohere Technologies, Inc. OTFS methods of data channel characterization and uses thereof
US9130638B2 (en) 2011-05-26 2015-09-08 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system
US10681568B1 (en) 2010-05-28 2020-06-09 Cohere Technologies, Inc. Methods of data channel characterization and uses thereof
US9071286B2 (en) 2011-05-26 2015-06-30 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system
US8830903B2 (en) * 2010-05-28 2014-09-09 Comtech Ef Data Corp. Identification, alignment and cross polarization optimization for orthogonal polarized transmission and relay systems
US8483394B2 (en) 2010-06-15 2013-07-09 Los Alamos National Security, Llc Secure multi-party communication with quantum key distribution managed by trusted authority
US20130156127A1 (en) * 2010-07-07 2013-06-20 Donald L. Schilling OFDM Synchronization and Signal Channel Estimation
US8605830B2 (en) * 2010-07-30 2013-12-10 National Instruments Corporation Blind carrier/timing recovery and detection of modulation scheme
KR101865675B1 (ko) * 2010-09-28 2018-06-12 한국전자통신연구원 데이터를 전송하고 수신하는 장치 및 방법
TWI440312B (zh) * 2010-11-15 2014-06-01 Anpec Electronics Corp 類比數位轉換的功能裝置
US8331955B2 (en) * 2010-12-28 2012-12-11 Trueposition, Inc. Robust downlink frame synchronization schemes in CDMA wireless networks for geo-location
WO2012094869A1 (zh) * 2011-01-14 2012-07-19 中兴通讯股份有限公司 多频段发射信号的生成方法及装置
JP2012165040A (ja) * 2011-02-03 2012-08-30 Sharp Corp 受信装置、受信方法、通信システムおよび通信方法
US8831159B2 (en) * 2011-02-09 2014-09-09 Intel Mobile Communications GmbH AM-PM synchronization unit
GB201105902D0 (en) * 2011-04-07 2011-05-18 Sonitor Technologies As Location system
FR2974264B1 (fr) * 2011-04-14 2014-01-17 Thales Sa Station emettrice/receptrice pour former un noeud d'un reseau de telecommunication et procede de telecommunication associe
KR101823188B1 (ko) 2011-05-04 2018-01-29 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 기지국을 위한 스펙트럼 할당 기법
EP2552067B1 (de) * 2011-07-27 2019-03-27 Vodafone Holding GmbH Verfahren und Empfängerstruktur zur Gemeinsamen Detektion in Asynchronen OFDM-Systemen unter Mehreren Benutzern
CN102427166B (zh) * 2011-08-24 2014-11-26 清华大学 一种光控微波波束接收系统
US9100085B2 (en) * 2011-09-21 2015-08-04 Spatial Digital Systems, Inc. High speed multi-mode fiber transmissions via orthogonal wavefronts
US8848825B2 (en) 2011-09-22 2014-09-30 Airbiquity Inc. Echo cancellation in wireless inband signaling modem
WO2013048671A1 (en) 2011-09-30 2013-04-04 Los Alamos National Security, Llc Polarization tracking system for free-space optical communication, including quantum communication
US9287994B2 (en) 2011-09-30 2016-03-15 Los Alamos National Security, Llc Great circle solution to polarization-based quantum communication (QC) in optical fiber
US8693972B2 (en) 2011-11-04 2014-04-08 Ess Technology, Inc. Down-conversion of multiple RF channels
US8787873B1 (en) 2011-11-04 2014-07-22 Plusn Llc System and method for communicating using bandwidth on demand
US9723496B2 (en) * 2011-11-04 2017-08-01 Qualcomm Incorporated Method and apparatus for interference cancellation by a user equipment using blind detection
US8989286B2 (en) 2011-11-10 2015-03-24 Microsoft Corporation Mapping a transmission stream in a virtual baseband to a physical baseband with equalization
US9130711B2 (en) 2011-11-10 2015-09-08 Microsoft Technology Licensing, Llc Mapping signals from a virtual frequency band to physical frequency bands
CO6680099A1 (es) * 2011-11-29 2013-05-31 Univ Ind De Santander Transformación rápida de señales entre los dominios de tiempo y frecuencia adaptable a las condiciones que imponen los sistemas reales
KR101667634B1 (ko) * 2012-01-19 2016-10-19 엘에스산전 주식회사 열차의 궤도 회로 장치
US11792782B1 (en) 2012-02-02 2023-10-17 Tybalt, Llc Cooperative and parasitic radio access networks
US10499409B2 (en) 2012-02-02 2019-12-03 Genghiscomm Holdings, LLC Cooperative and parasitic radio access networks
US8565181B2 (en) * 2012-02-06 2013-10-22 Neocific, Inc. Methods and apparatus for multi-carrier communications with efficient control signaling
TW201336260A (zh) * 2012-02-17 2013-09-01 Hon Hai Prec Ind Co Ltd 資料處理設備穩定性分析系統及方法
US9231729B2 (en) * 2012-02-28 2016-01-05 Spatial Digital Systems, Inc. Resource allocation in PON networks via wave-front multiplexing and de-multiplexing
US8874047B2 (en) * 2012-03-19 2014-10-28 Intel Mobile Communications GmbH Agile and adaptive transmitter-receiver isolation
US9735940B1 (en) 2012-04-12 2017-08-15 Tarana Wireless, Inc. System architecture for optimizing the capacity of adaptive array systems
US9456354B2 (en) * 2012-04-12 2016-09-27 Tarana Wireless, Inc. Non-line of sight wireless communication system and method
US9325409B1 (en) 2012-04-12 2016-04-26 Tarana Wireless, Inc. Non-line of sight wireless communication system and method
US9252908B1 (en) 2012-04-12 2016-02-02 Tarana Wireless, Inc. Non-line of sight wireless communication system and method
CN102611671B (zh) * 2012-04-13 2015-01-07 豪威科技(上海)有限公司 一种载波频偏估计方法、装置和系统
US8929934B2 (en) * 2012-04-25 2015-01-06 Intel Mobile Communications GmbH Communication devices and methods for operating a communication device
US8908493B2 (en) 2012-05-01 2014-12-09 Src, Inc. NC-OFDM for a cognitive radio
US8787506B2 (en) 2012-05-04 2014-07-22 Qualcomm Incorporated Decoders and methods for decoding convolutional coded data
US8861653B2 (en) 2012-05-04 2014-10-14 Qualcomm Incorporated Devices and methods for obtaining and using a priori information in decoding convolutional coded data
US9503196B2 (en) 2012-06-11 2016-11-22 The Regents Of The University Of Michigan N2 times pulse energy enhancement using coherent addition of N orthogonally phase modulated periodic signals
US8918099B2 (en) * 2012-06-11 2014-12-23 Rockwell Collins, Inc. Air-to-ground wireless deconfliction from ground-to-ground cellular communication
US10469215B2 (en) 2012-06-25 2019-11-05 Cohere Technologies, Inc. Orthogonal time frequency space modulation system for the Internet of Things
US10090972B2 (en) 2012-06-25 2018-10-02 Cohere Technologies, Inc. System and method for two-dimensional equalization in an orthogonal time frequency space communication system
US9929783B2 (en) * 2012-06-25 2018-03-27 Cohere Technologies, Inc. Orthogonal time frequency space modulation system
US10411843B2 (en) 2012-06-25 2019-09-10 Cohere Technologies, Inc. Orthogonal time frequency space communication system compatible with OFDM
KR102026898B1 (ko) * 2012-06-26 2019-09-30 삼성전자주식회사 송수신기 간 보안 통신 방법 및 장치, 보안 정보 결정 방법 및 장치
US10290480B2 (en) 2012-07-19 2019-05-14 Battelle Memorial Institute Methods of resolving artifacts in Hadamard-transformed data
US9325545B2 (en) * 2012-07-26 2016-04-26 The Boeing Company System and method for generating an on-demand modulation waveform for use in communications between radios
EP2885886B1 (de) 2012-08-17 2019-02-13 Triad National Security, LLC Quantenkommunikationssystem mit integrierten fotonischen bauelementen
US9490944B2 (en) * 2012-10-12 2016-11-08 Innoventure L.P. Phase sector based RF signal acquisition
US20140129556A1 (en) * 2012-11-06 2014-05-08 Qrc, Inc. Dba Qrc Technologies System and method for receiving, storing, manipulating and distributing rf digital information files
US8855303B1 (en) * 2012-12-05 2014-10-07 The Boeing Company Cryptography using a symmetric frequency-based encryption algorithm
US9876540B2 (en) * 2013-01-11 2018-01-23 Telefonaktiebolaget Lm Ericsson (Publ) Interference alignment based precoding method for reducing bandwidth of the backhaul network
CN107276656B (zh) * 2013-02-22 2021-04-13 欧希亚有限公司 无通信系统和方法
US10110270B2 (en) 2013-03-14 2018-10-23 Tarana Wireless, Inc. Precision array processing using semi-coherent transceivers
US10499456B1 (en) 2013-03-15 2019-12-03 Tarana Wireless, Inc. Distributed capacity base station architecture for broadband access with enhanced in-band GPS co-existence
US10373815B2 (en) * 2013-04-19 2019-08-06 Battelle Memorial Institute Methods of resolving artifacts in Hadamard-transformed data
WO2014182038A1 (en) * 2013-05-08 2014-11-13 Lg Electronics Inc. Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
US9674632B2 (en) * 2013-05-29 2017-06-06 Qualcomm Incorporated Filtering with binaural room impulse responses
US9525524B2 (en) 2013-05-31 2016-12-20 At&T Intellectual Property I, L.P. Remote distributed antenna system
US9999038B2 (en) 2013-05-31 2018-06-12 At&T Intellectual Property I, L.P. Remote distributed antenna system
US20140358532A1 (en) * 2013-06-03 2014-12-04 Airoha Technology Corp. Method and system for acoustic channel information detection
US9240628B2 (en) 2013-06-11 2016-01-19 Elwha Llc Multi-elevational antenna systems and methods of use
US9295016B2 (en) * 2013-06-12 2016-03-22 Microsoft Technology Licensing, Llc Cooperative phase tracking in distributed multiple-input multiple-output system
KR102130658B1 (ko) * 2013-07-26 2020-07-06 삼성전자주식회사 송신장치, 수신장치 및 그 제어방법
CN103491045B (zh) * 2013-09-03 2016-08-24 大唐移动通信设备有限公司 多载波削峰处理方法与装置
WO2015048820A1 (en) * 2013-09-30 2015-04-02 The Research Foundation For The State University Of New York Transmission and medium access control techniques for ultrasonic communications in the body
US10470039B2 (en) * 2013-10-18 2019-11-05 Hitachi, Ltd. Highly-secure wireless communication system
WO2015062012A1 (zh) * 2013-10-31 2015-05-07 华为技术有限公司 一种相位测量方法、装置和系统
US10285159B2 (en) * 2013-11-05 2019-05-07 Qualcomm Incorporated Diversity enhancement in a multiple carrier system
US8897697B1 (en) 2013-11-06 2014-11-25 At&T Intellectual Property I, Lp Millimeter-wave surface-wave communications
AU2014354845B2 (en) 2013-11-26 2019-05-02 Plusn, Llc System and method for radio frequency carrier aggregation
EP2884675A1 (de) * 2013-12-12 2015-06-17 Airbus Defence and Space Limited Phasen- oder Amplitudenausgleich für Strahlformer
US9865986B2 (en) 2013-12-19 2018-01-09 The Regents Of The University Of Michigan Coherent combining pulse bursts in time domain
US10541472B2 (en) * 2014-01-22 2020-01-21 Evolv Technologies, Inc. Beam forming with a passive frequency diverse aperture
US9438458B1 (en) * 2014-02-14 2016-09-06 Microsemi Storage Solutions (U.S.), Inc. Method and apparatus for converting analog radio frequency (RF) signals to the digital domain in a multiband and multicarrier wireless communication system
US9548918B2 (en) 2014-02-28 2017-01-17 General Electric Company Edge router systems and methods
US10348394B1 (en) 2014-03-14 2019-07-09 Tarana Wireless, Inc. System architecture and method for enhancing wireless networks with mini-satellites and pseudollites and adaptive antenna processing
US10701685B2 (en) * 2014-03-31 2020-06-30 Huawei Technologies Co., Ltd. Method and apparatus for asynchronous OFDMA/SC-FDMA
CN104022761B (zh) * 2014-05-23 2016-11-09 中国电子科技集团公司第四十一研究所 一种脉冲调制信号的测试方法
CN105187339B (zh) * 2014-06-06 2018-12-07 华为技术有限公司 一种双选信道的补偿方法、系统及相关装置
US10523383B2 (en) * 2014-08-15 2019-12-31 Huawei Technologies Co., Ltd. System and method for generating waveforms and utilization thereof
CN104202284A (zh) * 2014-08-25 2014-12-10 电子科技大学 一种非连续可用的子载波ci-ofdm码添加方法
US20160065275A1 (en) * 2014-08-27 2016-03-03 MagnaCom Ltd. Multiple input multiple output communications over nonlinear channels using orthogonal frequency division multiplexing
US9571313B2 (en) * 2014-09-12 2017-02-14 Mer-Cello Wireless Solutions Ltd. Full-optical multiwavelet orthogonal frequency divisional multiplexing (OFDM) and demultiplexing
US9768833B2 (en) 2014-09-15 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves
US10063280B2 (en) 2014-09-17 2018-08-28 At&T Intellectual Property I, L.P. Monitoring and mitigating conditions in a communication network
US10942046B2 (en) * 2014-09-23 2021-03-09 Infineon Technologies Ag Sensor system using safety mechanism
JP6429166B2 (ja) * 2014-09-25 2018-11-28 株式会社国際電気通信基礎技術研究所 無線電力送信システム
US9615269B2 (en) 2014-10-02 2017-04-04 At&T Intellectual Property I, L.P. Method and apparatus that provides fault tolerance in a communication network
US9685992B2 (en) 2014-10-03 2017-06-20 At&T Intellectual Property I, L.P. Circuit panel network and methods thereof
US9503189B2 (en) 2014-10-10 2016-11-22 At&T Intellectual Property I, L.P. Method and apparatus for arranging communication sessions in a communication system
EP3206391A4 (de) * 2014-10-12 2018-03-21 LG Electronics Inc. Rundfunksignalübertragungsvorrichtung, rundfunksignalempfangsvorrichtung, rundfunksignalübertragungsverfahren und rundfunksignalempfangsverfahren
US9973299B2 (en) 2014-10-14 2018-05-15 At&T Intellectual Property I, L.P. Method and apparatus for adjusting a mode of communication in a communication network
SG11201703115UA (en) * 2014-10-15 2017-05-30 Lisnr Inc Inaudible signaling tone
US9780834B2 (en) 2014-10-21 2017-10-03 At&T Intellectual Property I, L.P. Method and apparatus for transmitting electromagnetic waves
US9769020B2 (en) 2014-10-21 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for responding to events affecting communications in a communication network
US9577306B2 (en) 2014-10-21 2017-02-21 At&T Intellectual Property I, L.P. Guided-wave transmission device and methods for use therewith
US9312919B1 (en) 2014-10-21 2016-04-12 At&T Intellectual Property I, Lp Transmission device with impairment compensation and methods for use therewith
US9627768B2 (en) 2014-10-21 2017-04-18 At&T Intellectual Property I, L.P. Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith
US9653770B2 (en) 2014-10-21 2017-05-16 At&T Intellectual Property I, L.P. Guided wave coupler, coupling module and methods for use therewith
US10243784B2 (en) 2014-11-20 2019-03-26 At&T Intellectual Property I, L.P. System for generating topology information and methods thereof
US9954287B2 (en) 2014-11-20 2018-04-24 At&T Intellectual Property I, L.P. Apparatus for converting wireless signals and electromagnetic waves and methods thereof
US10340573B2 (en) 2016-10-26 2019-07-02 At&T Intellectual Property I, L.P. Launcher with cylindrical coupling device and methods for use therewith
US9742462B2 (en) 2014-12-04 2017-08-22 At&T Intellectual Property I, L.P. Transmission medium and communication interfaces and methods for use therewith
US9680670B2 (en) * 2014-11-20 2017-06-13 At&T Intellectual Property I, L.P. Transmission device with channel equalization and control and methods for use therewith
US9997819B2 (en) 2015-06-09 2018-06-12 At&T Intellectual Property I, L.P. Transmission medium and method for facilitating propagation of electromagnetic waves via a core
US9544006B2 (en) 2014-11-20 2017-01-10 At&T Intellectual Property I, L.P. Transmission device with mode division multiplexing and methods for use therewith
US10009067B2 (en) 2014-12-04 2018-06-26 At&T Intellectual Property I, L.P. Method and apparatus for configuring a communication interface
US11025460B2 (en) 2014-11-20 2021-06-01 At&T Intellectual Property I, L.P. Methods and apparatus for accessing interstitial areas of a cable
US9461706B1 (en) 2015-07-31 2016-10-04 At&T Intellectual Property I, Lp Method and apparatus for exchanging communication signals
US9800327B2 (en) 2014-11-20 2017-10-24 At&T Intellectual Property I, L.P. Apparatus for controlling operations of a communication device and methods thereof
US9753118B2 (en) 2014-11-25 2017-09-05 Qualcomm Incorporated Technique for obtaining the rotation of a wireless device
JP6380071B2 (ja) * 2014-12-11 2018-08-29 ソニー株式会社 通信制御装置、無線通信装置、通信制御方法及び無線通信方法
US9936352B2 (en) * 2015-02-02 2018-04-03 Qualcomm, Incorporated Techniques for estimating distance between wireless communication devices
US10139473B2 (en) * 2015-02-02 2018-11-27 Panasonic Intellectual Property Management Co., Ltd. Radar apparatus including transmitting antenna and receiving antenna
CN104660390B (zh) * 2015-02-10 2017-11-14 西南交通大学 一种cdma结合aco‑ofdm的光多载波码分多址系统通信方法
US9860099B1 (en) * 2015-02-18 2018-01-02 Newracom, Inc. Support of frequency diversity mode for block code based transmission in OFDMA
US9876570B2 (en) 2015-02-20 2018-01-23 At&T Intellectual Property I, Lp Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith
US9749013B2 (en) 2015-03-17 2017-08-29 At&T Intellectual Property I, L.P. Method and apparatus for reducing attenuation of electromagnetic waves guided by a transmission medium
US10578758B2 (en) * 2015-03-19 2020-03-03 Exxonmobil Upstream Research Company Sequence pattern characterization
US9667274B2 (en) * 2015-03-19 2017-05-30 Telefonaktiebolaget Lm Ericsson (Publ) Method of constructing a parity-check matrix for using message-passing algorithm to decode the repeat-accumulate type of modulation and coding schemes
WO2016153265A1 (ko) * 2015-03-26 2016-09-29 엘지전자 주식회사 무선 통신 시스템에서 빔 스캐닝 절차를 이용하여 도플러 주파수를 추정하는 방법 및 장치
US10224981B2 (en) 2015-04-24 2019-03-05 At&T Intellectual Property I, Lp Passive electrical coupling device and methods for use therewith
US9705561B2 (en) 2015-04-24 2017-07-11 At&T Intellectual Property I, L.P. Directional coupling device and methods for use therewith
US9793954B2 (en) 2015-04-28 2017-10-17 At&T Intellectual Property I, L.P. Magnetic coupling device and methods for use therewith
CN107925434B (zh) 2015-05-11 2021-02-05 凝聚技术公司 用于数据的辛正交时频移位调制和传输的系统和方法
US10090973B2 (en) 2015-05-11 2018-10-02 Cohere Technologies, Inc. Multiple access in an orthogonal time frequency space communication system
US9871282B2 (en) 2015-05-14 2018-01-16 At&T Intellectual Property I, L.P. At least one transmission medium having a dielectric surface that is covered at least in part by a second dielectric
US9490869B1 (en) 2015-05-14 2016-11-08 At&T Intellectual Property I, L.P. Transmission medium having multiple cores and methods for use therewith
US9748626B2 (en) 2015-05-14 2017-08-29 At&T Intellectual Property I, L.P. Plurality of cables having different cross-sectional shapes which are bundled together to form a transmission medium
US10650940B2 (en) 2015-05-15 2020-05-12 At&T Intellectual Property I, L.P. Transmission medium having a conductive material and methods for use therewith
US9602955B2 (en) * 2015-05-20 2017-03-21 Empire Technology Development Llc Concurrent wireless power transfer and data communication
US9917341B2 (en) 2015-05-27 2018-03-13 At&T Intellectual Property I, L.P. Apparatus and method for launching electromagnetic waves and for modifying radial dimensions of the propagating electromagnetic waves
US10812174B2 (en) 2015-06-03 2020-10-20 At&T Intellectual Property I, L.P. Client node device and methods for use therewith
US9912381B2 (en) 2015-06-03 2018-03-06 At&T Intellectual Property I, Lp Network termination and methods for use therewith
US9866309B2 (en) 2015-06-03 2018-01-09 At&T Intellectual Property I, Lp Host node device and methods for use therewith
US9913139B2 (en) 2015-06-09 2018-03-06 At&T Intellectual Property I, L.P. Signal fingerprinting for authentication of communicating devices
US9820146B2 (en) 2015-06-12 2017-11-14 At&T Intellectual Property I, L.P. Method and apparatus for authentication and identity management of communicating devices
US9667317B2 (en) 2015-06-15 2017-05-30 At&T Intellectual Property I, L.P. Method and apparatus for providing security using network traffic adjustments
US10574317B2 (en) 2015-06-18 2020-02-25 Cohere Technologies, Inc. System and method for providing wireless communication services using configurable broadband infrastructure shared among multiple network operators
US9509415B1 (en) 2015-06-25 2016-11-29 At&T Intellectual Property I, L.P. Methods and apparatus for inducing a fundamental wave mode on a transmission medium
US9640850B2 (en) 2015-06-25 2017-05-02 At&T Intellectual Property I, L.P. Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium
US9865911B2 (en) 2015-06-25 2018-01-09 At&T Intellectual Property I, L.P. Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium
EP4164152A1 (de) 2015-06-27 2023-04-12 Cohere Technologies, Inc. Ofdm-kompatibles orthogonales zeitfrequenzraum-kommunikationssystem
US10693581B2 (en) 2015-07-12 2020-06-23 Cohere Technologies, Inc. Orthogonal time frequency space modulation over a plurality of narrow band subcarriers
US10170840B2 (en) 2015-07-14 2019-01-01 At&T Intellectual Property I, L.P. Apparatus and methods for sending or receiving electromagnetic signals
US10129057B2 (en) 2015-07-14 2018-11-13 At&T Intellectual Property I, L.P. Apparatus and methods for inducing electromagnetic waves on a cable
US9722318B2 (en) 2015-07-14 2017-08-01 At&T Intellectual Property I, L.P. Method and apparatus for coupling an antenna to a device
US10320586B2 (en) 2015-07-14 2019-06-11 At&T Intellectual Property I, L.P. Apparatus and methods for generating non-interfering electromagnetic waves on an insulated transmission medium
US10511346B2 (en) 2015-07-14 2019-12-17 At&T Intellectual Property I, L.P. Apparatus and methods for inducing electromagnetic waves on an uninsulated conductor
US10341142B2 (en) 2015-07-14 2019-07-02 At&T Intellectual Property I, L.P. Apparatus and methods for generating non-interfering electromagnetic waves on an uninsulated conductor
US10205655B2 (en) 2015-07-14 2019-02-12 At&T Intellectual Property I, L.P. Apparatus and methods for communicating utilizing an antenna array and multiple communication paths
US10148016B2 (en) 2015-07-14 2018-12-04 At&T Intellectual Property I, L.P. Apparatus and methods for communicating utilizing an antenna array
US10439290B2 (en) 2015-07-14 2019-10-08 At&T Intellectual Property I, L.P. Apparatus and methods for wireless communications
US9853342B2 (en) 2015-07-14 2017-12-26 At&T Intellectual Property I, L.P. Dielectric transmission medium connector and methods for use therewith
US9847566B2 (en) 2015-07-14 2017-12-19 At&T Intellectual Property I, L.P. Method and apparatus for adjusting a field of a signal to mitigate interference
US9882257B2 (en) 2015-07-14 2018-01-30 At&T Intellectual Property I, L.P. Method and apparatus for launching a wave mode that mitigates interference
US9628116B2 (en) 2015-07-14 2017-04-18 At&T Intellectual Property I, L.P. Apparatus and methods for transmitting wireless signals
US10033107B2 (en) 2015-07-14 2018-07-24 At&T Intellectual Property I, L.P. Method and apparatus for coupling an antenna to a device
US10033108B2 (en) 2015-07-14 2018-07-24 At&T Intellectual Property I, L.P. Apparatus and methods for generating an electromagnetic wave having a wave mode that mitigates interference
US10044409B2 (en) 2015-07-14 2018-08-07 At&T Intellectual Property I, L.P. Transmission medium and methods for use therewith
US10790593B2 (en) 2015-07-14 2020-09-29 At&T Intellectual Property I, L.P. Method and apparatus including an antenna comprising a lens and a body coupled to a feedline having a structure that reduces reflections of electromagnetic waves
US10090606B2 (en) 2015-07-15 2018-10-02 At&T Intellectual Property I, L.P. Antenna system with dielectric array and methods for use therewith
US9793951B2 (en) 2015-07-15 2017-10-17 At&T Intellectual Property I, L.P. Method and apparatus for launching a wave mode that mitigates interference
US9749053B2 (en) 2015-07-23 2017-08-29 At&T Intellectual Property I, L.P. Node device, repeater and methods for use therewith
US9912027B2 (en) 2015-07-23 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for exchanging communication signals
US9871283B2 (en) 2015-07-23 2018-01-16 At&T Intellectual Property I, Lp Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration
US9948333B2 (en) 2015-07-23 2018-04-17 At&T Intellectual Property I, L.P. Method and apparatus for wireless communications to mitigate interference
US9735833B2 (en) 2015-07-31 2017-08-15 At&T Intellectual Property I, L.P. Method and apparatus for communications management in a neighborhood network
US9967173B2 (en) 2015-07-31 2018-05-08 At&T Intellectual Property I, L.P. Method and apparatus for authentication and identity management of communicating devices
WO2017027469A1 (en) * 2015-08-07 2017-02-16 The Board Of Regents Of The Nevada System Of Higher Education On Behalf Efficient data transmission using orthogonal pulse shapes
US9270418B1 (en) * 2015-09-02 2016-02-23 Cognitive Systems Corp. Identifying a code for signal decoding
EP4138318A1 (de) 2015-09-07 2023-02-22 Cohere Technologies, Inc. Mehrfachzugriff mittels orthogonaler zeitfrequenz-raummodulation
CN105147316B (zh) * 2015-09-11 2020-05-05 深圳市理邦精密仪器股份有限公司 使用通道数据处理的共模噪声抑制方法
US9904535B2 (en) 2015-09-14 2018-02-27 At&T Intellectual Property I, L.P. Method and apparatus for distributing software
US9769128B2 (en) 2015-09-28 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for encryption of communications over a network
US10256955B2 (en) * 2015-09-29 2019-04-09 Qualcomm Incorporated Synchronization signals for narrowband operation
US10320467B2 (en) 2015-09-29 2019-06-11 The United States Of America, As Represented By The Secretary Of The Army Frequency-based radio beamforming waveform transmission
US10193612B2 (en) * 2015-09-29 2019-01-29 The United States Of America, As Represented By The Secretary Of The Army Time-based radio beamforming waveform transmission
US10079633B2 (en) 2015-09-29 2018-09-18 The United States Of America, As Represented By The Secretary Of The Army Time-based and frequency-based radio beamforming waveform transmission
CN105187347B (zh) * 2015-09-30 2018-05-08 南京邮电大学 多元正交混沌移位键控调制解调方法
US9729197B2 (en) 2015-10-01 2017-08-08 At&T Intellectual Property I, L.P. Method and apparatus for communicating network management traffic over a network
US9876264B2 (en) 2015-10-02 2018-01-23 At&T Intellectual Property I, Lp Communication system, guided wave switch and methods for use therewith
US10355367B2 (en) 2015-10-16 2019-07-16 At&T Intellectual Property I, L.P. Antenna structure for exchanging wireless signals
US11038733B2 (en) 2015-11-18 2021-06-15 Cohere Technologies, Inc. Orthogonal time frequency space modulation techniques
CN106789117A (zh) 2015-11-19 2017-05-31 中兴通讯股份有限公司 Pcc规则的处理方法及装置
CN111818663B (zh) * 2015-12-08 2022-07-22 华为技术有限公司 一种数据发送方法、基站以及终端设备
EP3387748B1 (de) 2015-12-09 2022-03-09 Cohere Technologies, Inc. Pilotverpackung mit komplexen orthogonalen funktionen
US10594491B2 (en) * 2015-12-24 2020-03-17 Intel Corporation Cryptographic system memory management
EP3206353B1 (de) * 2016-02-09 2020-02-05 Technische Universität München Filterbänke und verfahren zum betreiben von filterbänken
KR101811221B1 (ko) * 2016-02-17 2017-12-21 주식회사 이노와이어리스 신호 분석기의 ｗｃｄｍａ 신호 타이밍 오프셋 처리 방법
WO2017147439A1 (en) 2016-02-25 2017-08-31 Cohere Technologies Reference signal packing for wireless communications
US10693692B2 (en) 2016-03-23 2020-06-23 Cohere Technologies, Inc. Receiver-side processing of orthogonal time frequency space modulated signals
EP3437205B1 (de) 2016-03-30 2020-05-13 IDAC Holdings, Inc. System und verfahren für fortgeschrittene räumliche modulation in 5g-systemen
EP3437206A1 (de) * 2016-03-30 2019-02-06 IDAC Holdings, Inc. Mehrdimensionale modulation in 5g-systeme
US9667307B1 (en) 2016-03-31 2017-05-30 Cohere Technologies Wireless telecommunications system for high-mobility applications
EP4262162A3 (de) 2016-03-31 2024-01-10 Cohere Technologies, Inc. Kanalerfassung unter verwendung eines orthogonalen zeitfrequenzraummodulierten pilotsignals
CN107294618B (zh) * 2016-03-31 2020-11-13 富士通株式会社 在线信号质量监测方法、装置和系统
KR102250054B1 (ko) 2016-04-01 2021-05-07 코히어 테크널러지스, 아이엔씨. Otfs 통신 시스템에서의 tomlinson-harashima 프리코딩
KR102276187B1 (ko) 2016-04-01 2021-07-12 코히어 테크놀로지스, 아이엔씨. 직교 시간 주파수 공간 변조된 신호들의 반복적 2차원 등화
RU2613851C1 (ru) * 2016-04-08 2017-03-21 Общество с ограниченной ответственностью "Лаборатория инфокоммуникационных сетей" Способ передачи и приема цифровой информации
KR102469314B1 (ko) * 2016-04-29 2022-11-22 한국전자통신연구원 편파 분할 듀플렉스 시스템에서의 채널 정보 획득 방법 및 그 장치
US10938602B2 (en) 2016-05-20 2021-03-02 Cohere Technologies, Inc. Iterative channel estimation and equalization with superimposed reference signals
WO2018031952A1 (en) 2016-08-12 2018-02-15 Cohere Technologies Iterative multi-level equalization and decoding
CN109804561B (zh) 2016-08-12 2023-07-21 凝聚技术公司 正交时间频率空间信号的多用户复用
US10826728B2 (en) 2016-08-12 2020-11-03 Cohere Technologies, Inc. Localized equalization for channels with intercarrier interference
US9860075B1 (en) 2016-08-26 2018-01-02 At&T Intellectual Property I, L.P. Method and communication node for broadband distribution
US10469199B2 (en) * 2016-09-09 2019-11-05 Viavi Solutions Inc. Forward error correction with optical and electrical transponder
WO2018064587A1 (en) 2016-09-29 2018-04-05 Cohere Technologies Transport block segmentation for multi-level codes
US10965348B2 (en) 2016-09-30 2021-03-30 Cohere Technologies, Inc. Uplink user resource allocation for orthogonal time frequency space modulation
CA3040271A1 (en) 2016-10-11 2018-04-19 Whitefox Defense Technologies, Inc. Systems and methods for cyber-physical vehicle management, detection and control
US11134380B2 (en) 2016-10-11 2021-09-28 Whitefox Defense Technologies, Inc. Systems and methods for cyber-physical vehicle management, detection and control
JP6862751B2 (ja) * 2016-10-14 2021-04-21 富士通株式会社 距離測定装置、距離測定方法及びプログラム
CN107959647B (zh) * 2016-10-14 2022-02-25 中兴通讯股份有限公司 多载波系统的符号配置方法及装置、数据解调方法及装置
WO2018074412A1 (ja) * 2016-10-18 2018-04-26 日本電信電話株式会社 符号化装置及び復号化装置
US10135147B2 (en) 2016-10-18 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via an antenna
US10135146B2 (en) 2016-10-18 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via circuits
US10340600B2 (en) 2016-10-18 2019-07-02 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via plural waveguide systems
US9876605B1 (en) 2016-10-21 2018-01-23 At&T Intellectual Property I, L.P. Launcher and coupling system to support desired guided wave mode
US9991580B2 (en) 2016-10-21 2018-06-05 At&T Intellectual Property I, L.P. Launcher and coupling system for guided wave mode cancellation
US10811767B2 (en) 2016-10-21 2020-10-20 At&T Intellectual Property I, L.P. System and dielectric antenna with convex dielectric radome
US10374316B2 (en) 2016-10-21 2019-08-06 At&T Intellectual Property I, L.P. System and dielectric antenna with non-uniform dielectric
US10312567B2 (en) 2016-10-26 2019-06-04 At&T Intellectual Property I, L.P. Launcher with planar strip antenna and methods for use therewith
IL248615B (en) * 2016-10-30 2020-05-31 Rohde & Schwarz Method and system for security inspection using a detector gate
WO2018076385A1 (zh) 2016-10-31 2018-05-03 华为技术有限公司 接收机和数据接收方法
US10225025B2 (en) 2016-11-03 2019-03-05 At&T Intellectual Property I, L.P. Method and apparatus for detecting a fault in a communication system
US10498044B2 (en) 2016-11-03 2019-12-03 At&T Intellectual Property I, L.P. Apparatus for configuring a surface of an antenna
US10291334B2 (en) 2016-11-03 2019-05-14 At&T Intellectual Property I, L.P. System for detecting a fault in a communication system
US10224634B2 (en) 2016-11-03 2019-03-05 At&T Intellectual Property I, L.P. Methods and apparatus for adjusting an operational characteristic of an antenna
US10693696B2 (en) * 2016-11-22 2020-06-23 Samsung Electronics Co., Ltd. Apparatus and method for transmitting and receiving signals in wireless communication system
US10340601B2 (en) 2016-11-23 2019-07-02 At&T Intellectual Property I, L.P. Multi-antenna system and methods for use therewith
US10340603B2 (en) 2016-11-23 2019-07-02 At&T Intellectual Property I, L.P. Antenna system having shielded structural configurations for assembly
US10090594B2 (en) 2016-11-23 2018-10-02 At&T Intellectual Property I, L.P. Antenna system having structural configurations for assembly
US10535928B2 (en) 2016-11-23 2020-01-14 At&T Intellectual Property I, L.P. Antenna system and methods for use therewith
US10178445B2 (en) 2016-11-23 2019-01-08 At&T Intellectual Property I, L.P. Methods, devices, and systems for load balancing between a plurality of waveguides
US10361489B2 (en) 2016-12-01 2019-07-23 At&T Intellectual Property I, L.P. Dielectric dish antenna system and methods for use therewith
US10305190B2 (en) 2016-12-01 2019-05-28 At&T Intellectual Property I, L.P. Reflecting dielectric antenna system and methods for use therewith
WO2018106731A1 (en) * 2016-12-05 2018-06-14 Cohere Technologies Fixed wireless access using orthogonal time frequency space modulation
US9927517B1 (en) 2016-12-06 2018-03-27 At&T Intellectual Property I, L.P. Apparatus and methods for sensing rainfall
US10326494B2 (en) 2016-12-06 2019-06-18 At&T Intellectual Property I, L.P. Apparatus for measurement de-embedding and methods for use therewith
US10727599B2 (en) 2016-12-06 2020-07-28 At&T Intellectual Property I, L.P. Launcher with slot antenna and methods for use therewith
US10135145B2 (en) 2016-12-06 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for generating an electromagnetic wave along a transmission medium
US10439675B2 (en) 2016-12-06 2019-10-08 At&T Intellectual Property I, L.P. Method and apparatus for repeating guided wave communication signals
US10694379B2 (en) 2016-12-06 2020-06-23 At&T Intellectual Property I, L.P. Waveguide system with device-based authentication and methods for use therewith
US10020844B2 (en) 2016-12-06 2018-07-10 T&T Intellectual Property I, L.P. Method and apparatus for broadcast communication via guided waves
US10819035B2 (en) 2016-12-06 2020-10-27 At&T Intellectual Property I, L.P. Launcher with helical antenna and methods for use therewith
US10637149B2 (en) 2016-12-06 2020-04-28 At&T Intellectual Property I, L.P. Injection molded dielectric antenna and methods for use therewith
US10755542B2 (en) 2016-12-06 2020-08-25 At&T Intellectual Property I, L.P. Method and apparatus for surveillance via guided wave communication
US10382976B2 (en) 2016-12-06 2019-08-13 At&T Intellectual Property I, L.P. Method and apparatus for managing wireless communications based on communication paths and network device positions
US10139820B2 (en) 2016-12-07 2018-11-27 At&T Intellectual Property I, L.P. Method and apparatus for deploying equipment of a communication system
US10389029B2 (en) 2016-12-07 2019-08-20 At&T Intellectual Property I, L.P. Multi-feed dielectric antenna system with core selection and methods for use therewith
US10243270B2 (en) 2016-12-07 2019-03-26 At&T Intellectual Property I, L.P. Beam adaptive multi-feed dielectric antenna system and methods for use therewith
US10168695B2 (en) 2016-12-07 2019-01-01 At&T Intellectual Property I, L.P. Method and apparatus for controlling an unmanned aircraft
US9893795B1 (en) 2016-12-07 2018-02-13 At&T Intellectual Property I, Lp Method and repeater for broadband distribution
US10547348B2 (en) 2016-12-07 2020-01-28 At&T Intellectual Property I, L.P. Method and apparatus for switching transmission mediums in a communication system
US10359749B2 (en) 2016-12-07 2019-07-23 At&T Intellectual Property I, L.P. Method and apparatus for utilities management via guided wave communication
US10027397B2 (en) 2016-12-07 2018-07-17 At&T Intellectual Property I, L.P. Distributed antenna system and methods for use therewith
US10446936B2 (en) 2016-12-07 2019-10-15 At&T Intellectual Property I, L.P. Multi-feed dielectric antenna system and methods for use therewith
US10411356B2 (en) 2016-12-08 2019-09-10 At&T Intellectual Property I, L.P. Apparatus and methods for selectively targeting communication devices with an antenna array
US10601494B2 (en) 2016-12-08 2020-03-24 At&T Intellectual Property I, L.P. Dual-band communication device and method for use therewith
US10916969B2 (en) 2016-12-08 2021-02-09 At&T Intellectual Property I, L.P. Method and apparatus for providing power using an inductive coupling
US10326689B2 (en) 2016-12-08 2019-06-18 At&T Intellectual Property I, L.P. Method and system for providing alternative communication paths
US9911020B1 (en) 2016-12-08 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for tracking via a radio frequency identification device
US10069535B2 (en) 2016-12-08 2018-09-04 At&T Intellectual Property I, L.P. Apparatus and methods for launching electromagnetic waves having a certain electric field structure
US9998870B1 (en) 2016-12-08 2018-06-12 At&T Intellectual Property I, L.P. Method and apparatus for proximity sensing
US10389037B2 (en) 2016-12-08 2019-08-20 At&T Intellectual Property I, L.P. Apparatus and methods for selecting sections of an antenna array and use therewith
US10103422B2 (en) 2016-12-08 2018-10-16 At&T Intellectual Property I, L.P. Method and apparatus for mounting network devices
US10530505B2 (en) 2016-12-08 2020-01-07 At&T Intellectual Property I, L.P. Apparatus and methods for launching electromagnetic waves along a transmission medium
US10777873B2 (en) 2016-12-08 2020-09-15 At&T Intellectual Property I, L.P. Method and apparatus for mounting network devices
US10938108B2 (en) 2016-12-08 2021-03-02 At&T Intellectual Property I, L.P. Frequency selective multi-feed dielectric antenna system and methods for use therewith
US10340983B2 (en) 2016-12-09 2019-07-02 At&T Intellectual Property I, L.P. Method and apparatus for surveying remote sites via guided wave communications
US9838896B1 (en) 2016-12-09 2017-12-05 At&T Intellectual Property I, L.P. Method and apparatus for assessing network coverage
US10264586B2 (en) 2016-12-09 2019-04-16 At&T Mobility Ii Llc Cloud-based packet controller and methods for use therewith
GB2558296B (en) * 2016-12-23 2020-09-02 Edgar Beesley Graham Radio frequency modulator
JP7063907B2 (ja) 2017-01-06 2022-05-09 スカイワークス ソリューションズ，インコーポレイテッド 高調波のビームフォーミング
WO2018129554A1 (en) 2017-01-09 2018-07-12 Cohere Technologies Pilot scrambling for channel estimation
IL250253B (en) 2017-01-24 2021-10-31 Arbe Robotics Ltd A method for separating targets and echoes from noise, in radar signals
WO2018140837A1 (en) 2017-01-27 2018-08-02 Cohere Technologies Variable beamwidth multiband antenna
US9973940B1 (en) 2017-02-27 2018-05-15 At&T Intellectual Property I, L.P. Apparatus and methods for dynamic impedance matching of a guided wave launcher
US9935810B1 (en) * 2017-03-07 2018-04-03 Xilinx, Inc. Method and apparatus for model identification and predistortion
US10298293B2 (en) 2017-03-13 2019-05-21 At&T Intellectual Property I, L.P. Apparatus of communication utilizing wireless network devices
US10568143B2 (en) 2017-03-28 2020-02-18 Cohere Technologies, Inc. Windowed sequence for random access method and apparatus
EP3610582A4 (de) 2017-04-11 2021-01-06 Cohere Technologies, Inc. Digitale kommunikation mit dispergierten orthogonalen zeitfrequenz-raum-modulierten signalen
US11632193B2 (en) 2017-04-20 2023-04-18 Qualcomm Incorporated Dynamic frozen bits and error detection for polar codes
EP4109983A1 (de) 2017-04-21 2022-12-28 Cohere Technologies, Inc. Kommunikationstechniken unter verwendung von quasi-statischen eigenschaften von drahtlosen kanälen
US11063804B2 (en) 2017-04-24 2021-07-13 Cohere Technologies, Inc. Digital communication using lattice division multiplexing
WO2018200567A1 (en) 2017-04-24 2018-11-01 Cohere Technologies Multibeam antenna designs and operation
US10243773B1 (en) 2017-06-30 2019-03-26 Genghiscomm Holdings, LLC Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM
US10637705B1 (en) 2017-05-25 2020-04-28 Genghiscomm Holdings, LLC Peak-to-average-power reduction for OFDM multiple access
KR102360496B1 (ko) * 2017-06-07 2022-02-10 삼성전자주식회사 신호 위상을 보상하는 전자 장치 및 그 방법
CN112995083B (zh) 2017-06-13 2022-03-29 华为技术有限公司 一种信息传输方法和装置
WO2019003212A1 (en) * 2017-06-30 2019-01-03 Tejas Networks Ltd. OFDM COMMUNICATION SYSTEM
CN107333309B (zh) * 2017-07-07 2020-05-22 北京佰才邦技术有限公司 一种无线信道的切换方法及装置
EP3652907A4 (de) 2017-07-12 2021-04-07 Cohere Technologies, Inc. Auf zak-transformation basierende datenmodulationsschemata
CN107426120B (zh) * 2017-07-24 2021-03-19 哈尔滨工程大学 一种基于最小均方误差的水声ofdm-mfsk信道均衡方法
WO2019023283A1 (en) 2017-07-25 2019-01-31 Genghiscomm Holdings, LLC EFFICIENT POWER CUT REDUCTION TO MEDIUM FOR OFDM AND MIMO-OFDM
CN107346979B (zh) * 2017-07-26 2019-07-26 成都信息工程大学 一种基于相关能量的射频自干扰抑制方法
WO2019032605A1 (en) 2017-08-11 2019-02-14 Cohere Technologies RADIATION TRACING TECHNIQUE FOR WIRELESS CHANNEL MEASUREMENTS
WO2019036492A1 (en) 2017-08-14 2019-02-21 Cohere Technologies ASSIGNMENT OF TRANSMISSION RESOURCES BY DIVISION OF BLOCKS OF PHYSICAL RESOURCES
US11212151B2 (en) * 2017-08-23 2021-12-28 Qualcomm Incorporated User multiplexing for uplink control information
US10955541B2 (en) * 2017-08-29 2021-03-23 Veoneer Us, Inc. Apparatus and method for RF interference avoidance in an automotive detection system
US11102034B2 (en) 2017-09-06 2021-08-24 Cohere Technologies, Inc. Lattice reduction in orthogonal time frequency space modulation
US11283561B2 (en) 2017-09-11 2022-03-22 Cohere Technologies, Inc. Wireless local area networks using orthogonal time frequency space modulation
US11190308B2 (en) 2017-09-15 2021-11-30 Cohere Technologies, Inc. Achieving synchronization in an orthogonal time frequency space signal receiver
US11532891B2 (en) 2017-09-20 2022-12-20 Cohere Technologies, Inc. Low cost electromagnetic feed network
US10348361B2 (en) * 2017-09-29 2019-07-09 Rohde & Schwarz Gmbh & Co. Kg Measuring device and method for phase-coherent analysis of frequency-hopping signals
US11152957B2 (en) 2017-09-29 2021-10-19 Cohere Technologies, Inc. Forward error correction using non-binary low density parity check codes
CN111919394B (zh) 2017-11-01 2022-05-27 凝聚技术公司 使用正交时频空分复用的无线系统中的预编码
US11080604B2 (en) * 2017-11-28 2021-08-03 Bank Of America Corporation Computer architecture for emulating digital delay lines in a correlithm object processing system
IL255982A (en) 2017-11-29 2018-01-31 Arbe Robotics Ltd Detection, mitigation and prevention of mutual interference between fixed water radars in vehicles
WO2019113046A1 (en) 2017-12-04 2019-06-13 Cohere Technologies, Inc. Implementation of orthogonal time frequency space modulation for wireless communications
US10928500B2 (en) * 2018-01-22 2021-02-23 Src, Inc. Distributed clutter motion suppression through multiple moving transmit phase centers
US10069519B1 (en) * 2018-01-23 2018-09-04 Mitsubishi Electric Research Laboratories, Inc. Partition based distribution matcher for probabilistic constellation shaping
US10601520B2 (en) 2018-02-07 2020-03-24 Infinera Corporation Clock recovery for digital subcarriers for optical networks
US11632270B2 (en) 2018-02-08 2023-04-18 Cohere Technologies, Inc. Aspects of channel estimation for orthogonal time frequency space modulation for wireless communications
WO2019166429A1 (en) * 2018-02-27 2019-09-06 Iee International Electronics & Engineering S.A. Method for joint radar-communication
US11368228B2 (en) * 2018-04-13 2022-06-21 Infinera Corporation Apparatuses and methods for digital subcarrier parameter modifications for optical communication networks
WO2019204367A1 (en) * 2018-04-16 2019-10-24 Phase Sensitive Innovations, Inc. Beam steering antenna transmitter, multi-user antenna mimo transmitter and related methods of communication
US10637544B1 (en) 2018-04-24 2020-04-28 Genghiscomm Holdings, LLC Distributed radio system
IL259190A (en) 2018-05-07 2018-06-28 Arbe Robotics Ltd System and method for frequency hopping MIMO FMCW imaging radar
US10594530B2 (en) * 2018-05-29 2020-03-17 Qualcomm Incorporated Techniques for successive peak reduction crest factor reduction
EP3808046A4 (de) 2018-06-17 2022-02-23 Genghiscomm Holdings, LLC Verteiltes funksystem
US11095389B2 (en) 2018-07-12 2021-08-17 Infiriera Corporation Subcarrier based data center network architecture
IL260694A (en) 2018-07-19 2019-01-31 Arbe Robotics Ltd Method and device for two-stage signal processing in a radar system
IL260696A (en) 2018-07-19 2019-01-31 Arbe Robotics Ltd Method and device for structured self-testing of radio frequencies in a radar system
IL260695A (en) 2018-07-19 2019-01-31 Arbe Robotics Ltd Method and device for eliminating waiting times in a radar system
US11228104B2 (en) * 2018-07-24 2022-01-18 Mitsubishi Electric Corporation Calibration device and calibration method of array antenna, array antenna, and program storage medium
US11522600B1 (en) 2018-08-01 2022-12-06 Cohere Technologies, Inc. Airborne RF-head system
ES2939349T3 (es) * 2018-08-10 2023-04-21 Nkb Properties Man Llc Sistema y procedimiento para ampliar la longitud de la trayectoria de una señal de onda mediante multiplexación angular
US11558743B2 (en) 2018-09-05 2023-01-17 Whitefox Defense Technologies, Inc. Integrated secure device manager systems and methods for cyber-physical vehicles
IL261636A (en) 2018-09-05 2018-10-31 Arbe Robotics Ltd Deflected MIMO antenna array for vehicle imaging radars
CN110086554B (zh) * 2018-11-16 2021-09-28 中国西安卫星测控中心 一种基于频谱感知的信号识别方法
CN109274630B (zh) * 2018-11-29 2020-04-07 西安电子科技大学 抗频率选择性衰落的多载波信号矢量分集合并方法
US10785085B2 (en) * 2019-01-15 2020-09-22 Nokia Technologies Oy Probabilistic shaping for physical layer design
US11343823B2 (en) 2020-08-16 2022-05-24 Tybalt, Llc Orthogonal multiple access and non-orthogonal multiple access
US11917604B2 (en) 2019-01-25 2024-02-27 Tybalt, Llc Orthogonal multiple access and non-orthogonal multiple access
CN113454964A (zh) 2019-01-25 2021-09-28 珍吉斯科姆控股有限责任公司 正交多址和非正交多址
US11483066B2 (en) 2019-03-04 2022-10-25 Infinera Corporation Frequency division multiple access optical subcarriers
US11258528B2 (en) 2019-09-22 2022-02-22 Infinera Corporation Frequency division multiple access optical subcarriers
US11336369B2 (en) 2019-03-22 2022-05-17 Infinera Corporation Framework for handling signal integrity using ASE in optical networks
US11032020B2 (en) 2019-04-19 2021-06-08 Infiriera Corporation Synchronization for subcarrier communication
US10785015B1 (en) * 2019-04-30 2020-09-22 Keyssa Systems, Inc. Multiple phase symbol synchronization for amplifier sampler accepting modulated signal
US11838105B2 (en) 2019-05-07 2023-12-05 Infinera Corporation Bidirectional optical communications
EP3739711A1 (de) * 2019-05-13 2020-11-18 TRIMET Aluminium SE Mehrkanal-prl: verfahren und system zum erbringen einer regelleistung zum regeln einer netzfrequenz eines stromnetzes sowie stromnetz
CN110071887B (zh) * 2019-05-14 2021-08-10 济南市半导体元件实验所 载波相位密集调制装置及方法
US11476966B2 (en) 2019-05-14 2022-10-18 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
US11239935B2 (en) 2019-05-14 2022-02-01 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
US11095374B2 (en) 2019-05-14 2021-08-17 Infinera Corporation Out-of-band communication channel for sub-carrier-based optical communication systems
US11190291B2 (en) 2019-05-14 2021-11-30 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
US11296812B2 (en) 2019-05-14 2022-04-05 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
US11489613B2 (en) 2019-05-14 2022-11-01 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
WO2020242898A1 (en) 2019-05-26 2020-12-03 Genghiscomm Holdings, LLC Non-orthogonal multiple access
DE102019209801A1 (de) * 2019-07-03 2021-01-07 Innovationszentrum für Telekommunikationstechnik GmbH IZT Empfänger zum Empfangen eines Kombinationssignals mit Berücksichtigung einer Inter-Symbol-Interferenz und niedriger Komplexität, Verfahren zum Empfangen eines Kombinationssignals und Computerprogramm
JP2021027412A (ja) * 2019-07-31 2021-02-22 キヤノン株式会社 通信装置とその制御方法及びプログラム、学習済モデルと通信システム及び制御方法
EP3772836A1 (de) * 2019-08-05 2021-02-10 Rohde & Schwarz GmbH & Co. KG Sendermodul, empfängermodul und datenübertragungssystem
CN110412557B (zh) * 2019-08-13 2021-08-06 北京邮电大学 一种基于ofdm信号的测量速度和距离的方法及装置
CN110474167B (zh) * 2019-08-26 2021-07-16 联想(北京)有限公司 一种电磁波控制方法及装置
US11470019B2 (en) 2019-09-05 2022-10-11 Infinera Corporation Dynamically switching queueing schemes for network switches
US11395136B2 (en) * 2019-09-25 2022-07-19 Qualcomm Incorporated Impairment based physical layer fingerprint
US11082101B2 (en) 2019-10-10 2021-08-03 Viasat, Inc. Channelizing and beamforming a wideband waveform
US10951247B1 (en) * 2019-10-10 2021-03-16 Viasat, Inc. Channelizing a wideband waveform for transmission on a spectral band comprising unavailable channel segments
WO2021072409A1 (en) 2019-10-10 2021-04-15 Tulasi Veguru Network switches systems for optical communications networks
US11356180B2 (en) 2019-10-10 2022-06-07 Infinera Corporation Hub-leaf laser synchronization
AU2020364088A1 (en) 2019-10-10 2022-05-12 Infinera Corporation Optical subcarrier dual-path protection and restoration for optical communications networks
JP7328578B2 (ja) * 2019-11-25 2023-08-17 日本電信電話株式会社 無線送信システム、無線受信システム、基地局装置、及び無線通信システム、並びに無線送信方法、及び無線受信方法
US11231489B2 (en) * 2019-12-05 2022-01-25 Aeva, Inc. Selective subband processing for a LIDAR system
IL271269A (en) 2019-12-09 2021-06-30 Arbe Robotics Ltd Radom for a planar antenna for car radar
US11228119B2 (en) * 2019-12-16 2022-01-18 Palo Alto Research Center Incorporated Phased array antenna system including amplitude tapering system
CN111371466A (zh) * 2020-03-09 2020-07-03 珠海格力电器股份有限公司 一种可提高单位时间通讯速率的通信方法、装置及系统
US10797920B1 (en) * 2020-03-18 2020-10-06 Rockwell Collins, Inc. High-entropy continuous phase modulation data transmitter
US11324013B2 (en) 2020-03-25 2022-05-03 Nxp B.V. Wireless communication with channel suppression
CN111600641B (zh) * 2020-05-22 2021-07-02 电子科技大学 一种中继探测中的波束宽度优化方法
US11047963B1 (en) * 2020-08-21 2021-06-29 Aeva, Inc. Selective sub-band processing for angular resolution and detection sensitivity in a LIDAR system
US11791881B2 (en) * 2020-09-23 2023-10-17 Electronics And Telecommunications Research Institute Random access method and apparatus using superposed preambles
US11728905B2 (en) * 2020-10-05 2023-08-15 CUE Audio, LLC Method and system for digital communication over an acoustic channel
US11327158B1 (en) * 2020-10-19 2022-05-10 Aeva, Inc. Techniques to compensate for mirror Doppler spreading in coherent LiDAR systems using matched filtering
CN112737710B (zh) * 2020-12-24 2023-02-17 重庆航天火箭电子技术有限公司 一种pcm-dpsk-fm安控接收机指标测试方法
US11910423B2 (en) * 2021-10-27 2024-02-20 Cisco Technology, Inc. Systems and methods for reducing false radar detection
US11949439B2 (en) 2021-12-16 2024-04-02 International Business Machines Corporation Mitigating baseband pulse dispersion via radiofrequency-to-baseband conversion
CN115276993B (zh) * 2022-09-30 2022-12-13 四川九洲空管科技有限责任公司 一种基于旁瓣随机抖动抗欺骗处理方法及装置

Family Cites Families (141)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760417A (en) * 1946-01-15 1973-09-18 Us Navy Synchronized pulse jammer and decoy
US3651466A (en) * 1969-02-05 1972-03-21 Quickmaid Vending Services Ltd Vending machine control metering system
US3581191A (en) * 1969-08-06 1971-05-25 Varian Associates Phase correlation for an rf spectrometer employing an rf carrier modulated by a pseudorandom sequence
US4164714A (en) * 1977-09-26 1979-08-14 Harris Corporation Polyphase PDM amplifier
DE3121146A1 (de) 1981-05-27 1983-01-05 Siemens AG, 1000 Berlin und 8000 München Digitales funksystem
US4471399A (en) * 1982-03-11 1984-09-11 Westinghouse Electric Corp. Power-line baseband communication system
US4479226A (en) * 1982-03-29 1984-10-23 At&T Bell Laboratories Frequency-hopped single sideband mobile radio system
US4590511A (en) * 1984-01-03 1986-05-20 Honeywell Inc. Circuit for converting the phase encoded hue information of a quadrature modulated color subcarrier into distinct analog voltage levels
US4813057A (en) * 1984-12-03 1989-03-14 Charles A. Phillips Time domain radio transmission system
US4641317A (en) * 1984-12-03 1987-02-03 Charles A. Phillips Spread spectrum radio transmission system
US5363108A (en) * 1984-12-03 1994-11-08 Charles A. Phillips Time domain radio transmission system
US4743906A (en) * 1984-12-03 1988-05-10 Charles A. Phillips Time domain radio transmission system
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US4827480A (en) * 1987-02-24 1989-05-02 Colorado School Of Mines Method and apparatus for generating ultra-short pulses with a frequency shifter in a cavity
US5003545A (en) * 1987-02-24 1991-03-26 Colorado School Of Mines Method and apparatus for generating both a broadband continuous wave output and a pulsed output
JP2526931B2 (ja) * 1987-10-22 1996-08-21 国際電信電話株式会社 Ｐｓｋ信号復調装置
GB8828306D0 (en) * 1988-12-05 1992-11-18 Secr Defence Adaptive antenna
US5132694A (en) * 1989-06-29 1992-07-21 Ball Corporation Multiple-beam array antenna
US5079437A (en) * 1990-03-20 1992-01-07 The United States Of America As Represented By The Secretary Of The Army Multi-voltage power supply
US5300922A (en) * 1990-05-29 1994-04-05 Sensormatic Electronics Corporation Swept frequency electronic article surveillance system having enhanced facility for tag signal detection
US5125100A (en) * 1990-07-02 1992-06-23 Katznelson Ron D Optimal signal synthesis for distortion cancelling multicarrier systems
US5249201A (en) * 1991-02-01 1993-09-28 Mst, Inc. Transmission of multiple carrier signals in a nonlinear system
DE4109067A1 (de) * 1991-03-20 1992-09-24 Dornier Gmbh Vorrichtung zur ansteuerung einer aktiven antenne
US5117239A (en) * 1991-04-24 1992-05-26 General Electric Company Reversible time delay beamforming optical architecture for phased-array antennas
US5253270A (en) 1991-07-08 1993-10-12 Hal Communications Apparatus useful in radio communication of digital data using minimal bandwidth
US5329248A (en) * 1991-12-11 1994-07-12 Loral Aerospace Corp. Power divider/combiner having wide-angle microwave lenses
US5515378A (en) * 1991-12-12 1996-05-07 Arraycomm, Inc. Spatial division multiple access wireless communication systems
US5202776A (en) * 1991-12-12 1993-04-13 Essex Corporation Time delay beam formation
US5623360A (en) * 1991-12-12 1997-04-22 Essex Corporation Time delay beam formation
US5592490A (en) * 1991-12-12 1997-01-07 Arraycomm, Inc. Spectrally efficient high capacity wireless communication systems
US5231405A (en) * 1992-01-27 1993-07-27 General Electric Company Time-multiplexed phased-array antenna beam switching system
JP2845250B2 (ja) * 1992-01-31 1999-01-13 日本電気株式会社 交差偏波干渉補償装置
JP2904986B2 (ja) 1992-01-31 1999-06-14 日本放送協会 直交周波数分割多重ディジタル信号送信装置および受信装置
US5187487A (en) * 1992-03-05 1993-02-16 General Electric Company Compact wide tunable bandwidth phased array antenna controller
US5461687A (en) * 1992-03-18 1995-10-24 Trw Inc. Wavelength controlled optical true time delay generator
US5282222A (en) 1992-03-31 1994-01-25 Michel Fattouche Method and apparatus for multiple access between transceivers in wireless communications using OFDM spread spectrum
US5555268A (en) 1994-01-24 1996-09-10 Fattouche; Michel Multicode direct sequence spread spectrum
US5333000A (en) * 1992-04-03 1994-07-26 The United States Of America As Represented By The United States Department Of Energy Coherent optical monolithic phased-array antenna steering system
US5309514A (en) * 1992-06-01 1994-05-03 Scientific-Atlanta, Inc. Pulse generator including a memory for storing pulses for modulation on a carrier of a television signal
US5260968A (en) * 1992-06-23 1993-11-09 The Regents Of The University Of California Method and apparatus for multiplexing communications signals through blind adaptive spatial filtering
US6252909B1 (en) * 1992-09-21 2001-06-26 Aware, Inc. Multi-carrier transmission system utilizing channels of different bandwidth
US5274381A (en) * 1992-10-01 1993-12-28 General Electric Co. Optical controller with independent two-dimensional scanning
US5307073A (en) * 1992-11-13 1994-04-26 General Electric Co. Optically controlled phased array radar
DE69328406T2 (de) * 1992-11-20 2000-09-14 Nippon Telegraph & Telephone Frequenzdiversitysender und -Empfänger
US5471647A (en) * 1993-04-14 1995-11-28 The Leland Stanford Junior University Method for minimizing cross-talk in adaptive transmission antennas
BE1007429A3 (nl) * 1993-08-02 1995-06-13 Philips Electronics Nv Coherentie multiplex transmissiesysteem.
US5521937A (en) 1993-10-08 1996-05-28 Interdigital Technology Corporation Multicarrier direct sequence spread system and method
US5425049A (en) 1993-10-25 1995-06-13 Ericsson Ge Mobile Communications Inc. Staggered frequency hopping cellular radio system
US5410538A (en) 1993-11-09 1995-04-25 At&T Corp. Method and apparatus for transmitting signals in a multi-tone code division multiple access communication system
EP0660559B1 (de) 1993-12-22 2005-04-27 Koninklijke Philips Electronics N.V. Mehrträger-Frequenzsprungkommunikationssystem
US5583516A (en) * 1994-01-24 1996-12-10 Trw Inc. Wavelength-selectable optical signal processor
CN1083648C (zh) 1994-02-17 2002-04-24 普罗克西姆公司 高数据率无线局域网络
KR950035142A (ko) 1994-03-10 1995-12-30 가나미야지 준 수신장치, 기지국 수신 시스템 및 이동국 수신시스템
JP3202125B2 (ja) 1994-03-10 2001-08-27 沖電気工業株式会社 符号分割多元接続システム
US5844951A (en) 1994-06-10 1998-12-01 Northeastern University Method and apparatus for simultaneous beamforming and equalization
FR2721461B1 (fr) 1994-06-16 1996-09-06 France Telecom Signal formé d'une pluralité de fréquences porteuses orthogonales organisé de façon à simplifier la réception d'un des signaux source le composant, procédé d'émission et récepteur correspondants.
US5687169A (en) * 1995-04-27 1997-11-11 Time Domain Systems, Inc. Full duplex ultrawide-band communication system and method
US5512907A (en) * 1994-10-03 1996-04-30 General Electric Company Optical beamsteering system
IT1272846B (it) 1994-11-25 1997-06-30 Pirelli Cavi Spa "sistema e metodo di telecomunicazione a multiplazione di lunghezza d'onda, con separazione controllata dei canali in uscita e per la determinazione del rapporto segnale/rumore ottico"
SE502656C2 (sv) 1994-11-29 1995-12-04 Telia Ab Metod för synkronisering av sändare och mottagare vid mobilt radiosystem
EP0746909B1 (de) * 1994-12-23 2001-12-05 Koninklijke Philips Electronics N.V. Entschachtelung und pufferung in einem speicher
US5519692A (en) * 1995-03-20 1996-05-21 General Electric Company Geometric harmonic modulation (GHM)-digital implementation
US5563906A (en) * 1995-03-20 1996-10-08 General Electric Company Method of geometric harmonic modulation (GHM)
US5515060A (en) * 1995-05-11 1996-05-07 Martin Marietta Corp. Clutter suppression for thinned array with phase only nulling
FI98108C (fi) * 1995-05-17 1997-04-10 Nokia Mobile Phones Ltd Menetelmä yhteyden laadun arvioimiseksi ja vastaanotin
US5612978A (en) 1995-05-30 1997-03-18 Motorola, Inc. Method and apparatus for real-time adaptive interference cancellation in dynamic environments
US6215983B1 (en) 1995-06-02 2001-04-10 Trw Inc. Method and apparatus for complex phase equalization for use in a communication system
US6208295B1 (en) 1995-06-02 2001-03-27 Trw Inc. Method for processing radio signals that are subject to unwanted change during propagation
US6018317A (en) 1995-06-02 2000-01-25 Trw Inc. Cochannel signal processing system
US5640698A (en) 1995-06-06 1997-06-17 Stanford University Radio frequency signal reception using frequency shifting by discrete-time sub-sampling down-conversion
US6122295A (en) * 1995-06-08 2000-09-19 Canon Kabushiki Kaisha Multi-channel communication
US5960032A (en) 1995-09-20 1999-09-28 The Hong Kong University Of Science & Technology High speed data transmission using expanded bit durations in multiple parallel coded data streams
GB2309363B (en) * 1996-01-17 2000-07-12 Motorola Ltd Multicarrier communication system and method for peak power control
US5677697A (en) * 1996-02-28 1997-10-14 Hughes Electronics Millimeter wave arrays using Rotman lens and optical heterodyne
US5822368A (en) 1996-04-04 1998-10-13 Lucent Technologies Inc. Developing a channel impulse response by using distortion
US5765097A (en) * 1996-05-20 1998-06-09 At & T Corp Shared hybrid fiber-coax network having reduced ingress noise in the upstream channel transmitted via a repeater
US6396804B2 (en) * 1996-05-28 2002-05-28 Qualcomm Incorporated High data rate CDMA wireless communication system
US6088351A (en) * 1996-06-14 2000-07-11 Trw Inc. Method and apparatus for accommodating signal blockage in satellite mobile radio systems
US6243565B1 (en) * 1996-06-18 2001-06-05 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for transmitting communication signals using frequency and polarization diversity
CA2302289C (en) 1996-08-29 2005-11-08 Gregory G. Raleigh Spatio-temporal processing for communication
US5831977A (en) 1996-09-04 1998-11-03 Ericsson Inc. Subtractive CDMA system with simultaneous subtraction in code space and direction-of-arrival space
US6192068B1 (en) 1996-10-03 2001-02-20 Wi-Lan Inc. Multicode spread spectrum communications system
US7035661B1 (en) 1996-10-11 2006-04-25 Arraycomm, Llc. Power control with signal quality estimation for smart antenna communication systems
US6463295B1 (en) * 1996-10-11 2002-10-08 Arraycomm, Inc. Power control with signal quality estimation for smart antenna communication systems
DE69719278T2 (de) * 1996-10-14 2003-11-13 Nippon Telegraph & Telephone Verfahren und Vorrichtung zur Verringerung des Verhältnisses von Spitzen-zu Durchschnittsleistung
US5991334A (en) 1996-11-12 1999-11-23 Lucent Technologies Inc. Technique for simultaneous communications of analog frequency-modulated and digitally modulated signals using postcanceling scheme
DE19647833B4 (de) 1996-11-19 2005-07-07 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren zur gleichzeitigen Funkübertragung digitaler Daten zwischen mehreren Teilnehmerstationen und einer Basisstation
US5889827A (en) 1996-12-12 1999-03-30 Ericsson Inc. Method and apparatus for digital symbol detection using medium response estimates
US6359923B1 (en) 1997-12-18 2002-03-19 At&T Wireless Services, Inc. Highly bandwidth efficient communications
US6128276A (en) 1997-02-24 2000-10-03 Radix Wireless, Inc. Stacked-carrier discrete multiple tone communication technology and combinations with code nulling, interference cancellation, retrodirective communication and adaptive antenna arrays
US5838268A (en) 1997-03-14 1998-11-17 Orckit Communications Ltd. Apparatus and methods for modulation and demodulation of data
US6175550B1 (en) 1997-04-01 2001-01-16 Lucent Technologies, Inc. Orthogonal frequency division multiplexing system with dynamically scalable operating parameters and method thereof
US5940196A (en) 1997-05-16 1999-08-17 Harmonic Lightwaves, Inc. Optical communications system with wavelength division multiplexing
US6097773A (en) 1997-05-22 2000-08-01 Nortel Networks Limited Co-channel interference reduction
US6331837B1 (en) * 1997-05-23 2001-12-18 Genghiscomm Llc Spatial interferometry multiplexing in wireless communications
US6008760A (en) 1997-05-23 1999-12-28 Genghis Comm Cancellation system for frequency reuse in microwave communications
US6151296A (en) 1997-06-19 2000-11-21 Qualcomm Incorporated Bit interleaving for orthogonal frequency division multiplexing in the transmission of digital signals
US6097712A (en) 1997-06-20 2000-08-01 Nortel Networks Limited Multi-carrier CDMA communications systems
US6240129B1 (en) 1997-07-10 2001-05-29 Alcatel Method and windowing unit to reduce leakage, fourier transformer and DMT modem wherein the unit is used
US6175551B1 (en) * 1997-07-31 2001-01-16 Lucent Technologies, Inc. Transmission system and method employing peak cancellation to reduce the peak-to-average power ratio
DE19733825A1 (de) 1997-08-05 1999-02-11 Siemens Ag Verfahren und Anordnung zur kombinierten Messung des Anfangs eines Datenblocks und des Trägerfrequenzversatzes in einem Mehrträgerübertragungssystem für unregelmäßige Übertragung von Datenblöcken
US6301221B1 (en) * 1997-09-10 2001-10-09 Hewlett-Packard Company Methods and apparatus for encoding data
US5931893A (en) * 1997-11-11 1999-08-03 Ericsson, Inc. Efficient correlation over a sliding window
US6694154B1 (en) 1997-11-17 2004-02-17 Ericsson Inc. Method and apparatus for performing beam searching in a radio communication system
US6130918A (en) * 1997-12-01 2000-10-10 Nortel Networks Limited Method and apparatus for reducing the peak-to-average ratio in a multicarrier communication system
US7787514B2 (en) * 1998-02-12 2010-08-31 Lot 41 Acquisition Foundation, Llc Carrier interferometry coding with applications to cellular and local area networks
US7430257B1 (en) * 1998-02-12 2008-09-30 Lot 41 Acquisition Foundation, Llc Multicarrier sub-layer for direct sequence channel and multiple-access coding
US6377566B1 (en) 1998-03-30 2002-04-23 Agere Systems Guardian Corp. OFDM subcarrier hopping in a multi service OFDM system
US6631175B2 (en) 1998-04-03 2003-10-07 Tellabs Operations, Inc. Spectrally constrained impulse shortening filter for a discrete multi-tone receiver
EP0966133B1 (de) 1998-06-15 2005-03-02 Sony International (Europe) GmbH Orthogonale Transformationen zur Verringerung von Interferenz in Mehrträgersystemen
DE69920388T2 (de) 1998-07-13 2006-02-23 Sony Corp. Mehrträgerkommunikationsverfahren, Sender und Empfänger
US6470055B1 (en) * 1998-08-10 2002-10-22 Kamilo Feher Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems
US6154443A (en) 1998-08-11 2000-11-28 Industrial Technology Research Institute FFT-based CDMA RAKE receiver system and method
US6459740B1 (en) * 1998-09-17 2002-10-01 At&T Wireless Services, Inc. Maximum ratio transmission
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6463043B1 (en) 1998-11-25 2002-10-08 Nortel Networks Limited Carrier phase recovery of multi-rate signals
US6473393B1 (en) 1998-12-18 2002-10-29 At&T Corp. Channel estimation for OFDM systems with transmitter diversity
US6442222B1 (en) * 1998-12-24 2002-08-27 At&T Wireless Services, Inc. Method for error compensation in an OFDM system with diversity
US6442130B1 (en) 1999-01-21 2002-08-27 Cisco Technology, Inc. System for interference cancellation
US6141393A (en) 1999-03-03 2000-10-31 Motorola, Inc. Method and device for channel estimation, equalization, and interference suppression
US6473418B1 (en) * 1999-03-11 2002-10-29 Flarion Technologies, Inc. Orthogonal frequency division multiplexing based spread spectrum multiple access
US6442193B1 (en) 1999-03-30 2002-08-27 Koninklijke Philips Electronics N.V. Combining sub-chip resolution samples in arms of a spread-spectrum rake receiver
US6421528B1 (en) * 1999-04-29 2002-07-16 Hughes Electronics Corp. Satellite transmission system with adaptive transmission loss compensation
US6674810B1 (en) 1999-05-27 2004-01-06 3Com Corporation Method and apparatus for reducing peak-to-average power ratio in a discrete multi-tone signal
ES2178364T3 (es) * 1999-06-24 2002-12-16 Cit Alcatel Transmision de diversidad en un sistema de radio movil.
US6804211B1 (en) 1999-08-03 2004-10-12 Wi-Lan Inc. Frame structure for an adaptive modulation wireless communication system
US6678318B1 (en) 2000-01-11 2004-01-13 Agere Systems Inc. Method and apparatus for time-domain equalization in discrete multitone transceivers
US6654719B1 (en) 2000-03-14 2003-11-25 Lucent Technologies Inc. Method and system for blind separation of independent source signals
US7418043B2 (en) * 2000-07-19 2008-08-26 Lot 41 Acquisition Foundation, Llc Software adaptable high performance multicarrier transmission protocol
US6693984B1 (en) 2000-08-29 2004-02-17 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for compensating for intersymbol interference in a received signal
US6850481B2 (en) 2000-09-01 2005-02-01 Nortel Networks Limited Channels estimation for multiple input—multiple output, orthogonal frequency division multiplexing (OFDM) system
US6654408B1 (en) 2000-10-27 2003-11-25 Wisconsin Alumni Research Foundation Method and system for multi-carrier multiple access reception in the presence of imperfections
US7769078B2 (en) 2000-12-22 2010-08-03 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus, methods and computer program products for delay selection in a spread-spectrum receiver
WO2002098094A1 (en) 2001-05-31 2002-12-05 Nortel Networks Limited Apparatus and method for measuring sub-carrier frequencies and sub-carrier frequency offsets
US6859641B2 (en) 2001-06-21 2005-02-22 Applied Signal Technology, Inc. Adaptive canceller for frequency reuse systems
WO2003012990A1 (en) 2001-08-02 2003-02-13 Aware, Inc. Multicarrier modulation using frequency-domain equalizer and decision feedback
US20040013101A1 (en) 2002-05-23 2004-01-22 Akin Huseyin C. Method and system for allocating power and scheduling packets in one or more cells of a wireless communication system or network
US7317750B2 (en) * 2002-10-31 2008-01-08 Lot 41 Acquisition Foundation, Llc Orthogonal superposition coding for direct-sequence communications
US7286604B2 (en) * 2003-05-27 2007-10-23 Aquity Llc Carrier interferometry coding and multicarrier processing
US8270514B2 (en) * 2005-01-17 2012-09-18 Sharp Kabushiki Kaisha Communication device
US8411770B2 (en) * 2007-11-26 2013-04-02 Sharp Kabushiki Kaisha Base station device, mobile terminal device, wireless communication system, and wireless communication method

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US7835455B2 (en) 2010-11-16
US20090110033A1 (en) 2009-04-30
IL137731A0 (en) 2001-10-31
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US20050232182A1 (en) 2005-10-20
US7010048B1 (en) 2006-03-07
ATE300817T1 (de) 2005-08-15
US6888887B1 (en) 2005-05-03
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EP1053615A1 (de) 2000-11-22
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US20060227851A1 (en) 2006-10-12
US5955992A (en) 1999-09-21
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CN1296684A (zh) 2001-05-23
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