DE69940111D1 - Funkübertragungssystem, sender und empfänger - Google Patents

Funkübertragungssystem, sender und empfänger

Info

Publication number
DE69940111D1
DE69940111D1 DE69940111T DE69940111T DE69940111D1 DE 69940111 D1 DE69940111 D1 DE 69940111D1 DE 69940111 T DE69940111 T DE 69940111T DE 69940111 T DE69940111 T DE 69940111T DE 69940111 D1 DE69940111 D1 DE 69940111D1
Authority
DE
Germany
Prior art keywords
transmitter
receiver
transmission system
radio transmission
radio
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
DE69940111T
Other languages
English (en)
Inventor
Hiroshi Kubo
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69940111D1 publication Critical patent/DE69940111D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/026—Co-operative diversity, e.g. using fixed or mobile stations as relays
    • 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
    • H04B7/0613—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 simultaneous transmission
    • H04B7/0667—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 simultaneous transmission of delayed versions of same signal
    • 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
    • H04B7/0613—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 simultaneous transmission
    • H04B7/0667—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 simultaneous transmission of delayed versions of same signal
    • H04B7/0671—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 simultaneous transmission of delayed versions of same signal using different delays between antennas
    • 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
    • H04B7/0613—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 simultaneous transmission
    • H04B7/0678—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 simultaneous transmission using different spreading codes between antennas
    • 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
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
DE69940111T 1999-02-16 1999-10-13 Funkübertragungssystem, sender und empfänger Expired - Lifetime DE69940111D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3665599 1999-02-16
PCT/JP1999/005646 WO2000049730A1 (fr) 1999-02-16 1999-10-13 Systeme de communication radio, emetteur et recepteur

Publications (1)

Publication Number Publication Date
DE69940111D1 true DE69940111D1 (de) 2009-01-29

Family

ID=12475883

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69940111T Expired - Lifetime DE69940111D1 (de) 1999-02-16 1999-10-13 Funkübertragungssystem, sender und empfänger

Country Status (5)

Country Link
US (3) US7346316B1 (de)
EP (1) EP1073214B1 (de)
DE (1) DE69940111D1 (de)
TW (1) TW441203B (de)
WO (1) WO2000049730A1 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2364205B (en) * 2000-06-29 2002-09-18 Piping Hot Networks Ltd Broadband communications
AU2002224891A1 (en) * 2000-11-27 2002-06-03 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for improving channel estimates using space-time coding
US8204149B2 (en) 2003-12-17 2012-06-19 Qualcomm Incorporated Spatial spreading in a multi-antenna communication system
US7336746B2 (en) 2004-12-09 2008-02-26 Qualcomm Incorporated Data transmission with spatial spreading in a MIMO communication system
US8169889B2 (en) 2004-02-18 2012-05-01 Qualcomm Incorporated Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system
US8285226B2 (en) 2004-05-07 2012-10-09 Qualcomm Incorporated Steering diversity for an OFDM-based multi-antenna communication system
US8923785B2 (en) 2004-05-07 2014-12-30 Qualcomm Incorporated Continuous beamforming for a MIMO-OFDM system
CN1989722B (zh) * 2004-05-17 2011-05-18 高通股份有限公司 Ofdm系统的时变循环延迟分集
US8233555B2 (en) * 2004-05-17 2012-07-31 Qualcomm Incorporated Time varying delay diversity of OFDM
US7110463B2 (en) 2004-06-30 2006-09-19 Qualcomm, Incorporated Efficient computation of spatial filter matrices for steering transmit diversity in a MIMO communication system
US7978649B2 (en) 2004-07-15 2011-07-12 Qualcomm, Incorporated Unified MIMO transmission and reception
US7978778B2 (en) 2004-09-03 2011-07-12 Qualcomm, Incorporated Receiver structures for spatial spreading with space-time or space-frequency transmit diversity
WO2006099540A2 (en) 2005-03-15 2006-09-21 Trapeze Networks, Inc. System and method for distributing keys in a wireless network
US8059608B2 (en) 2005-06-14 2011-11-15 Qualcomm Incorporated Transmit spatial diversity for cellular single frequency networks
WO2007044986A2 (en) 2005-10-13 2007-04-19 Trapeze Networks, Inc. System and method for remote monitoring in a wireless network
US7573859B2 (en) 2005-10-13 2009-08-11 Trapeze Networks, Inc. System and method for remote monitoring in a wireless network
US8638762B2 (en) 2005-10-13 2014-01-28 Trapeze Networks, Inc. System and method for network integrity
US7724703B2 (en) 2005-10-13 2010-05-25 Belden, Inc. System and method for wireless network monitoring
JP4451400B2 (ja) * 2006-01-18 2010-04-14 株式会社エヌ・ティ・ティ・ドコモ 送信装置及び送信方法
JP5058974B2 (ja) * 2006-03-17 2012-10-24 パナソニック株式会社 無線伝送システム及び無線伝送方法、並びにそれらに用いられる無線局及び送信局
US8543070B2 (en) 2006-04-24 2013-09-24 Qualcomm Incorporated Reduced complexity beam-steered MIMO OFDM system
US7558266B2 (en) 2006-05-03 2009-07-07 Trapeze Networks, Inc. System and method for restricting network access using forwarding databases
US8966018B2 (en) 2006-05-19 2015-02-24 Trapeze Networks, Inc. Automated network device configuration and network deployment
US8290089B2 (en) 2006-05-22 2012-10-16 Qualcomm Incorporated Derivation and feedback of transmit steering matrix
US8818322B2 (en) 2006-06-09 2014-08-26 Trapeze Networks, Inc. Untethered access point mesh system and method
US9191799B2 (en) 2006-06-09 2015-11-17 Juniper Networks, Inc. Sharing data between wireless switches system and method
US9258702B2 (en) 2006-06-09 2016-02-09 Trapeze Networks, Inc. AP-local dynamic switching
US8340110B2 (en) 2006-09-15 2012-12-25 Trapeze Networks, Inc. Quality of service provisioning for wireless networks
US7873061B2 (en) 2006-12-28 2011-01-18 Trapeze Networks, Inc. System and method for aggregation and queuing in a wireless network
US8902904B2 (en) 2007-09-07 2014-12-02 Trapeze Networks, Inc. Network assignment based on priority
US8238942B2 (en) 2007-11-21 2012-08-07 Trapeze Networks, Inc. Wireless station location detection
US8150357B2 (en) * 2008-03-28 2012-04-03 Trapeze Networks, Inc. Smoothing filter for irregular update intervals
US8978105B2 (en) 2008-07-25 2015-03-10 Trapeze Networks, Inc. Affirming network relationships and resource access via related networks
US8238298B2 (en) 2008-08-29 2012-08-07 Trapeze Networks, Inc. Picking an optimal channel for an access point in a wireless network
FR2937483A1 (fr) * 2008-10-17 2010-04-23 Thomson Licensing Procede de reception d'un signal et procede d'emission correspondant
EP2854318B1 (de) 2012-05-22 2020-11-04 Sun Patent Trust Sendeverfahren und sendesystem
JP6113754B2 (ja) * 2012-12-21 2017-04-12 京セラ株式会社 移動通信システム、通信制御方法、基地局、及びユーザ端末
US9647861B1 (en) * 2014-01-30 2017-05-09 Rockwell Collins, Inc. Multiple antenna transmission of pulsed data communication messages with phase or time dithering for reduction of static interference nulls
DE102015122420A1 (de) * 2015-12-21 2017-06-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sendeanordnung zum Erzeugen eines für eine Lokalisierung geeigneten Signalmusters und Empfangsanordnung zum Durchführen einer Lokalisierung
WO2020183671A1 (ja) * 2019-03-13 2020-09-17 三菱電機株式会社 送信装置および基地局

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020176A1 (de) * 1980-05-28 1981-12-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und anordnung zum zeitgleichen aussenden von nachrichten ueber mehrere gleichwellensender
JPS5815341A (ja) * 1981-07-22 1983-01-28 Nec Corp 送信ダイバーシティ信号の送信方法および装置
JP2572765B2 (ja) * 1987-05-19 1997-01-16 日本電信電話株式会社 送信パスダイバ−シチ伝送方式
US4896371A (en) * 1987-11-20 1990-01-23 Kahn Leonard R Synchronous AM transmission system having reduced self interference effects
JPH01198834A (ja) * 1988-02-03 1989-08-10 Fujitsu Ltd 回線切替装置
US5101501A (en) 1989-11-07 1992-03-31 Qualcomm Incorporated Method and system for providing a soft handoff in communications in a cdma cellular telephone system
JP2795935B2 (ja) 1989-11-24 1998-09-10 三菱電機株式会社 最尤系列推定装置
JPH03195129A (ja) 1989-12-22 1991-08-26 Mitsubishi Electric Corp 最尤系列推定装置
US5060302A (en) * 1990-02-28 1991-10-22 At&T Bell Laboratories Automatic adjustment of optical power output of a plurality of optical transmitters
CA2037824C (en) 1990-03-20 1999-11-09 Hiroshi Kubo Diversity circuit and frame phase (or sampling timing) estimation circuit using the diversity circuit
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
JPH04144428A (ja) 1990-10-05 1992-05-18 Nippon Telegr & Teleph Corp <Ntt> 移動無線通信方式
US5513176A (en) 1990-12-07 1996-04-30 Qualcomm Incorporated Dual distributed antenna system
JP2510903B2 (ja) 1991-06-03 1996-06-26 東海ゴム工業株式会社 流体封入式マウント装置およびその製造方法
US5214675A (en) * 1991-07-02 1993-05-25 Motorola, Inc. System and method for calculating channel gain and noise variance of a communication channel
GB2259430B (en) 1991-09-07 1996-05-01 Motorola Ltd Radio receiver and transmitter providing diversity
US5479448A (en) * 1992-03-31 1995-12-26 At&T Corp. Method and apparatus for providing antenna diversity
JP3122267B2 (ja) * 1992-12-24 2001-01-09 株式会社日立国際電気 ダイバーシチ通信方式
US5812935A (en) * 1993-04-17 1998-09-22 Hughes Electronics Cellular system employing base station transmit diversity according to transmission quality level
DE69432844T2 (de) * 1993-04-29 2004-05-19 Ericsson Inc. Zeitdiversityübertragungssystem zum Herabsetzung der Nachbarkanalstörung in Mobiltelefonsystemen
US5423059A (en) * 1993-07-29 1995-06-06 Motorola Inc. Method for enhancing signal quality in a simulcast communication system
CA2118355C (en) * 1993-11-30 2002-12-10 Michael James Gans Orthogonal polarization and time varying offsetting of signals for digital data transmission or reception
CA2174761A1 (en) 1994-09-09 1996-03-14 Andrew William Drewry Watson Radio antenna arrangement
US5748683A (en) * 1994-12-29 1998-05-05 Motorola, Inc. Multi-channel transceiver having an adaptive antenna array and method
JPH08195703A (ja) * 1995-01-17 1996-07-30 Toshiba Corp 無線通信装置
JP2705623B2 (ja) * 1995-03-22 1998-01-28 日本電気株式会社 ダイバーシチ送受信方法及び送受信機
BR9608410A (pt) * 1995-06-06 1998-12-29 Globalstar Lp Sistema de administração de recursos de diversidade de satélites repetidores
EP1133074B1 (de) 1995-07-19 2009-04-22 Nec Corporation Diversity-Übertragungssystem mit Kodevielfachzugriff
US5848103A (en) * 1995-10-04 1998-12-08 Lucent Technologies Inc. Method and apparatus for providing time diversity
JPH09116475A (ja) * 1995-10-23 1997-05-02 Nec Corp 時間ダイバーシチ送受信システム
JPH09197059A (ja) 1996-01-23 1997-07-31 Shingo Seki 磁気センサー
US6049720A (en) * 1996-04-12 2000-04-11 Transcrypt International / E.F. Johnson Company Link delay calculation and compensation system
US6034987A (en) * 1996-12-17 2000-03-07 Ericsson Inc. System for improving the quality of a received radio signal
JP3563219B2 (ja) * 1996-12-20 2004-09-08 富士通株式会社 移動通信システムとその無線基地局および交換局
US5884149A (en) * 1997-02-13 1999-03-16 Nokia Mobile Phones Limited Mobile station having dual band RF detector and gain control
WO1998051110A1 (fr) 1997-05-08 1998-11-12 Hitachi, Ltd. Systeme de radiocommunication pour train et emetteur/recepteur radio afferent
US6141542A (en) * 1997-07-31 2000-10-31 Motorola, Inc. Method and apparatus for controlling transmit diversity in a communication system
JP3180733B2 (ja) 1997-10-17 2001-06-25 三菱電機株式会社 無線通信システム
US6377812B1 (en) * 1997-11-20 2002-04-23 University Of Maryland Combined power control and space-time diversity in mobile cellular communications
US6477377B2 (en) * 1998-05-29 2002-11-05 Ericsson Inc. Cellular radiotelephone systems and methods that broadcast a common control channel over multiple radio frequencies
US6259730B1 (en) * 1998-11-10 2001-07-10 Lucent Technologies, Inc. Transmit diversity and reception equalization for radio links
US6587515B1 (en) * 1999-02-10 2003-07-01 Hamid Jafarkhani Differential transmitter diversity technique for wireless communications

Also Published As

Publication number Publication date
EP1073214B1 (de) 2008-12-17
EP1073214A4 (de) 2005-02-02
WO2000049730A1 (fr) 2000-08-24
US20080064335A1 (en) 2008-03-13
US20080064428A1 (en) 2008-03-13
US8027649B2 (en) 2011-09-27
US7929922B2 (en) 2011-04-19
TW441203B (en) 2001-06-16
US7346316B1 (en) 2008-03-18
EP1073214A1 (de) 2001-01-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition