DE69737667D1 - Teilnehmergerät für CDMA DrahtlosKommunikationssystem - Google Patents

Teilnehmergerät für CDMA DrahtlosKommunikationssystem

Info

Publication number
DE69737667D1
DE69737667D1 DE69737667T DE69737667T DE69737667D1 DE 69737667 D1 DE69737667 D1 DE 69737667D1 DE 69737667 T DE69737667 T DE 69737667T DE 69737667 T DE69737667 T DE 69737667T DE 69737667 D1 DE69737667 D1 DE 69737667D1
Authority
DE
Germany
Prior art keywords
complex
signal
wireless communication
communication system
pseudonoise
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
DE69737667T
Other languages
English (en)
Other versions
DE69737667T2 (de
Inventor
Joseph P Odenwalder
Yu-Chen Jou
Edward G Tiedemann Jr
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE69737667D1 publication Critical patent/DE69737667D1/de
Publication of DE69737667T2 publication Critical patent/DE69737667T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0059Convolutional codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H04B7/264Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for data rate control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/16Code allocation
    • H04J13/18Allocation of orthogonal codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/08Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/0022PN, e.g. Kronecker
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/004Orthogonal
    • H04J13/0048Walsh
DE69737667T 1996-05-28 1997-05-28 Teilnehmergerät für CDMA DrahtlosKommunikationssystem Expired - Lifetime DE69737667T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US654443 1996-05-28
US08/654,443 US5930230A (en) 1996-05-28 1996-05-28 High data rate CDMA wireless communication system

Publications (2)

Publication Number Publication Date
DE69737667D1 true DE69737667D1 (de) 2007-06-06
DE69737667T2 DE69737667T2 (de) 2008-01-03

Family

ID=24624882

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69739389T Expired - Lifetime DE69739389D1 (de) 1996-05-28 1997-05-28 Teilnehmergerät für CDMA Drahtloskommunikationssystem
DE69737667T Expired - Lifetime DE69737667T2 (de) 1996-05-28 1997-05-28 Teilnehmergerät für CDMA DrahtlosKommunikationssystem
DE69729296T Expired - Lifetime DE69729296T2 (de) 1996-05-28 1997-05-28 Teilnehmergerät für drahtloses cdma-nachrichtenübertragungssystem

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69739389T Expired - Lifetime DE69739389D1 (de) 1996-05-28 1997-05-28 Teilnehmergerät für CDMA Drahtloskommunikationssystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69729296T Expired - Lifetime DE69729296T2 (de) 1996-05-28 1997-05-28 Teilnehmergerät für drahtloses cdma-nachrichtenübertragungssystem

Country Status (17)

Country Link
US (4) US5930230A (de)
EP (3) EP1772969B1 (de)
JP (2) JP4307553B2 (de)
CN (1) CN1155168C (de)
AT (3) ATE268075T1 (de)
AU (1) AU736358B2 (de)
BR (1) BR9709612B1 (de)
CA (1) CA2256416C (de)
DE (3) DE69739389D1 (de)
DK (1) DK0901722T3 (de)
ES (3) ES2275173T3 (de)
HK (2) HK1018993A1 (de)
IL (2) IL127292A (de)
PT (1) PT901722E (de)
TW (1) TW357503B (de)
WO (1) WO1997045970A1 (de)
ZA (1) ZA974388B (de)

Families Citing this family (134)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
JPH1051354A (ja) * 1996-05-30 1998-02-20 N T T Ido Tsushinmo Kk Ds−cdma伝送方法
JPH1098449A (ja) * 1996-09-25 1998-04-14 Canon Inc 情報信号通信装置及び方法
JP3317866B2 (ja) * 1996-12-20 2002-08-26 富士通株式会社 スペクトル拡散通信システム
JP3373746B2 (ja) * 1997-01-07 2003-02-04 株式会社鷹山 Ds−cdma基地局間非同期セルラ方式における初期同期方法および受信機
US7787647B2 (en) 1997-01-13 2010-08-31 Micro Ear Technology, Inc. Portable system for programming hearing aids
US6173007B1 (en) * 1997-01-15 2001-01-09 Qualcomm Inc. High-data-rate supplemental channel for CDMA telecommunications system
US5991284A (en) 1997-02-13 1999-11-23 Qualcomm Inc. Subchannel control loop
US5943331A (en) * 1997-02-28 1999-08-24 Interdigital Technology Corporation Orthogonal code synchronization system and method for spread spectrum CDMA communications
US6898197B1 (en) * 1997-02-28 2005-05-24 Interdigital Technology Corporation Geolocation of a mobile terminal in a CDMA communication system
JP3349918B2 (ja) * 1997-04-09 2002-11-25 沖電気工業株式会社 通信システム、送信装置及び受信装置
EP1492254A1 (de) * 1997-04-17 2004-12-29 NTT DoCoMo, Inc. Erzeugung von Kodes für ein Mobilkommunikationssystem
US6396867B1 (en) 1997-04-25 2002-05-28 Qualcomm Incorporated Method and apparatus for forward link power control
DE69838133T4 (de) * 1997-05-14 2008-04-17 Qualcomm, Inc., San Diego Teilnehmergerät mit mehreren steuer- und informationsdaten für cdma drahtloses kommunikationssystem
EP0985292B1 (de) * 1997-05-30 2005-04-20 QUALCOMM Incorporated Fehlerschutzverfahren und vorrichtung für über-funk-dateiübertragung
JP2861985B2 (ja) * 1997-06-16 1999-02-24 日本電気株式会社 Cdma用高速セルサーチ方式
US6075792A (en) * 1997-06-16 2000-06-13 Interdigital Technology Corporation CDMA communication system which selectively allocates bandwidth upon demand
EP2187532B1 (de) 1997-06-17 2011-11-16 Qualcomm Incorporated Mehrkanalverbindung mit vermindertem Verhältnis von Spitzenamplitude zu Durchschnittsamplitude
US6081536A (en) 1997-06-20 2000-06-27 Tantivy Communications, Inc. Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
US6628667B1 (en) * 1997-06-20 2003-09-30 Mitsubishi Denki Kabushiki Kaisha Variable rate transmitting method and apparatus using bi-orthogonal functions for variable rate transmission rates above a predetermined value
US6542481B2 (en) * 1998-06-01 2003-04-01 Tantivy Communications, Inc. Dynamic bandwidth allocation for multiple access communication using session queues
US6151332A (en) 1997-06-20 2000-11-21 Tantivy Communications, Inc. Protocol conversion and bandwidth reduction technique providing multiple nB+D ISDN basic rate interface links over a wireless code division multiple access communication system
US6421333B1 (en) * 1997-06-21 2002-07-16 Nortel Networks Limited Channel coding and interleaving for transmission on a multicarrier system
US6389000B1 (en) * 1997-09-16 2002-05-14 Qualcomm Incorporated Method and apparatus for transmitting and receiving high speed data in a CDMA communication system using multiple carriers
US6377809B1 (en) 1997-09-16 2002-04-23 Qualcomm Incorporated Channel structure for communication systems
US20020051434A1 (en) * 1997-10-23 2002-05-02 Ozluturk Fatih M. Method for using rapid acquisition spreading codes for spread-spectrum communications
US6101168A (en) * 1997-11-13 2000-08-08 Qualcomm Inc. Method and apparatus for time efficient retransmission using symbol accumulation
JP3217307B2 (ja) * 1997-11-18 2001-10-09 沖電気工業株式会社 無線送信装置
KR100269593B1 (ko) * 1997-12-02 2000-10-16 정선종 다중 채널을 위한 직교 복소 확산 방법 및 그 장치
US20040160910A1 (en) * 1997-12-17 2004-08-19 Tantivy Communications, Inc. Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
US7496072B2 (en) 1997-12-17 2009-02-24 Interdigital Technology Corporation System and method for controlling signal strength over a reverse link of a CDMA wireless communication system
US9525923B2 (en) 1997-12-17 2016-12-20 Intel Corporation Multi-detection of heartbeat to reduce error probability
US6222832B1 (en) 1998-06-01 2001-04-24 Tantivy Communications, Inc. Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
US7936728B2 (en) 1997-12-17 2011-05-03 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
US7394791B2 (en) 1997-12-17 2008-07-01 Interdigital Technology Corporation Multi-detection of heartbeat to reduce error probability
US6545989B1 (en) 1998-02-19 2003-04-08 Qualcomm Incorporated Transmit gating in a wireless communication system
US6700881B1 (en) * 1998-03-02 2004-03-02 Samsung Electronics Co., Ltd. Rate control device and method for CDMA communication system
JP3109589B2 (ja) * 1998-03-18 2000-11-20 日本電気株式会社 Cdma端末の送信パワー調整方法及び装置
JP2901585B1 (ja) * 1998-03-20 1999-06-07 埼玉日本電気株式会社 無線通信システム並びにこのシステムに使用する送信装置及び受信装置
KR100321979B1 (ko) * 1998-03-26 2002-02-04 윤종용 부호분할다중접속 통신시스템의 직교부호확산 채널과 준직교부호확산 채널의 전력제어장치 및 방법
KR100338662B1 (ko) * 1998-03-31 2002-07-18 윤종용 부호분할다중접속통신시스템의채널통신장치및방법
DE69939419D1 (de) 1998-04-23 2008-10-09 Ntt Docomo Inc CDMA Empfänger und CDMA Sende/Empfänger
US6198775B1 (en) * 1998-04-28 2001-03-06 Ericsson Inc. Transmit diversity method, systems, and terminals using scramble coding
US8134980B2 (en) 1998-06-01 2012-03-13 Ipr Licensing, Inc. Transmittal of heartbeat signal at a lower level than heartbeat request
US7773566B2 (en) 1998-06-01 2010-08-10 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
US7221664B2 (en) * 1998-06-01 2007-05-22 Interdigital Technology Corporation Transmittal of heartbeat signal at a lower level than heartbeat request
KR100281082B1 (ko) * 1998-06-01 2001-02-01 서평원 씨디엠에이(cdma)통신시스템의전력제어장치및방법
US5991285A (en) * 1998-08-10 1999-11-23 Motorola, Inc. Method and apparatus for communicating signals of various channel types in CDMA communication system
FR2782587B1 (fr) * 1998-08-20 2000-09-22 France Telecom Procedes de communications numeriques amrc a repartition des symboles de reference
US6798736B1 (en) * 1998-09-22 2004-09-28 Qualcomm Incorporated Method and apparatus for transmitting and receiving variable rate data
US6366779B1 (en) * 1998-09-22 2002-04-02 Qualcomm Incorporated Method and apparatus for rapid assignment of a traffic channel in digital cellular communication systems
US6625197B1 (en) * 1998-10-27 2003-09-23 Qualcomm Incorporated Method and apparatus for multipath demodulation in a code division multiple access communication system
US6128330A (en) 1998-11-24 2000-10-03 Linex Technology, Inc. Efficient shadow reduction antenna system for spread spectrum
US6646979B1 (en) * 1999-01-11 2003-11-11 Lucent Technologies Inc. Methods of dynamically assigning channel codes of different lengths in wireless communication systems
US6721349B1 (en) 1999-01-28 2004-04-13 Qualcomm Incorporated Method and apparatus for reducing peak-to-average ratio in a CDMA communication system
US6690944B1 (en) * 1999-04-12 2004-02-10 Nortel Networks Limited Power control of a multi-subchannel mobile station in a mobile communication system
US6304563B1 (en) * 1999-04-23 2001-10-16 Qualcomm Incorporated Method and apparatus for processing a punctured pilot channel
US6614776B1 (en) * 1999-04-28 2003-09-02 Tantivy Communications, Inc. Forward error correction scheme for high rate data exchange in a wireless system
US6414988B1 (en) * 1999-05-12 2002-07-02 Qualcomm Incorporated Amplitude and phase estimation method in a wireless communication system
DE10027216B4 (de) 1999-05-31 2008-10-16 Electronics And Telecommunications Research Institute Vorrichtung und Verfahren zum Modulieren einer Datennachricht durch Verwendung von Codes mit orthogonalem veränderlichem Spreizungsfaktor (OVSF) in einem Mobilkommunikationssystem
US6628605B1 (en) * 1999-07-21 2003-09-30 Conexant Systems, Inc. Method and apparatus for efficiently transmitting multiple data signals
US6804211B1 (en) * 1999-08-03 2004-10-12 Wi-Lan Inc. Frame structure for an adaptive modulation wireless communication system
US7123579B1 (en) * 1999-08-04 2006-10-17 Lg Electronics Inc. Method of transmitting non-orthogonal physical channels in the communications system
US6721339B2 (en) * 1999-08-17 2004-04-13 Lucent Technologies Inc. Method of providing downlink transmit diversity
KR100668198B1 (ko) * 1999-08-24 2007-01-11 주식회사 팬택앤큐리텔 Imt 2000 단말기용 변조기
US6526034B1 (en) 1999-09-21 2003-02-25 Tantivy Communications, Inc. Dual mode subscriber unit for short range, high rate and long range, lower rate data communications
JP3793380B2 (ja) * 1999-10-22 2006-07-05 株式会社エヌ・ティ・ティ・ドコモ Cdma移動通信システムにおける下りリンクのパイロットチャネルの送信方法およびcdma移動通信システム
US6967998B1 (en) * 1999-11-12 2005-11-22 Qualcomm Incorporated Method and apparatus for monitoring transmission quality
US8463255B2 (en) * 1999-12-20 2013-06-11 Ipr Licensing, Inc. Method and apparatus for a spectrally compliant cellular communication system
EP1252799B2 (de) 2000-01-20 2022-11-02 Starkey Laboratories, Inc. Hörhilfegerät-systeme
AU3673001A (en) 2000-02-07 2001-08-14 Tantivy Communications, Inc. Minimal maintenance link to support synchronization
FR2805688A1 (fr) * 2000-02-28 2001-08-31 Mitsubishi Electric France Procede d'equilibrage de canaux de transport au sein d'un canal composite, dispositif et station de base correspondants
US6982972B1 (en) * 2000-03-30 2006-01-03 Mitsubishi Denki Kabushiki Kaisha Signal processor in multiplex communication system utilizing a changeover signal indicating a change in gain of the transmission signal and the signal processing method for the system
US6928123B2 (en) * 2000-04-17 2005-08-09 Intel Corporation Wireless network with enhanced data rate
US6430214B1 (en) * 2000-05-22 2002-08-06 Motorola, Inc. Fading resistant multi-level QAM receiver
MXPA02011443A (es) * 2000-05-25 2004-02-26 Soma Networks Inc Canal de comunicacion de datos dependiente de la calidad.
CA2310188A1 (en) 2000-05-30 2001-11-30 Mark J. Frazer Communication structure with channels configured responsive to reception quality
CN1193627C (zh) * 2000-06-05 2005-03-16 连宇通信有限公司 用于空中接口支持可变数据速率的方法
WO2001095656A1 (en) * 2000-06-05 2001-12-13 Linkair Communications, Inc. Methods for assigning radio resources
US8537656B2 (en) 2000-07-19 2013-09-17 Ipr Licensing, Inc. Method for compensating for multi-path of a CDMA reverse link utilizing an orthogonal channel structure
US7911993B2 (en) * 2000-07-19 2011-03-22 Ipr Licensing, Inc. Method and apparatus for allowing soft handoff of a CDMA reverse link utilizing an orthogonal channel structure
JP4366847B2 (ja) * 2000-08-22 2009-11-18 ソニー株式会社 半導体装置および携帯端末装置
US6956891B2 (en) * 2000-11-15 2005-10-18 Go-Cdma Limited Method and apparatus for non-linear code-division multiple access technology
US20030126545A1 (en) * 2001-10-05 2003-07-03 Tan Alfred Keng Tiong Non-linear code-division multiple access technology with improved detection algorithms and error correction coding
EP1249951B1 (de) * 2000-11-16 2016-06-01 Sony Corporation Kommunikationsvorrichtung
US6999471B1 (en) 2000-11-28 2006-02-14 Soma Networks, Inc. Communication structure for multiplexed links
US8155096B1 (en) 2000-12-01 2012-04-10 Ipr Licensing Inc. Antenna control system and method
US6975692B2 (en) * 2000-12-04 2005-12-13 Koninklijke Philips Electronics N.V. Scaling of demodulated data in an interleaver memory
US6954448B2 (en) 2001-02-01 2005-10-11 Ipr Licensing, Inc. Alternate channel for carrying selected message types
US7551663B1 (en) 2001-02-01 2009-06-23 Ipr Licensing, Inc. Use of correlation combination to achieve channel detection
US6961324B2 (en) * 2001-05-02 2005-11-01 Ipr Licensing, Inc. System and method for interleaving compressed audio/video (A/V) data frames
ES2614202T3 (es) 2001-06-13 2017-05-30 Intel Corporation Método y aparato para la transmisión de una señal de latido de corazón a un nivel inferior que la solicitud de latido de corazón
US6917581B2 (en) 2001-07-17 2005-07-12 Ipr Licensing, Inc. Use of orthogonal or near orthogonal codes in reverse link
US7042955B2 (en) * 2001-07-30 2006-05-09 Lucent Technologies Inc. Space time spreading and phase sweep transmit diversity
US7333530B1 (en) * 2001-08-06 2008-02-19 Analog Devices, Inc. Despread signal recovery in digital signal processors
US7278070B2 (en) * 2001-09-14 2007-10-02 Texas Instruments Incorporated Interleaving to avoid wideband interference in a multi-carrier communications system
US6839336B2 (en) * 2002-04-29 2005-01-04 Qualcomm, Incorporated Acknowledging broadcast transmissions
WO2003103476A2 (en) * 2002-06-05 2003-12-18 Nmt Medical, Inc. Patent foramen ovale (pfo) closure device with radial and circumferential support
CN1663147A (zh) * 2002-06-21 2005-08-31 威德菲公司 无线局域网中继器
US6728299B2 (en) * 2002-06-28 2004-04-27 Nokia Corporation Transmitter gain control for CDMA signals
US6901058B2 (en) * 2002-08-22 2005-05-31 Nokia Corporation System and method for enabling multicast in a CDMA network
WO2004062305A1 (en) 2002-12-16 2004-07-22 Widefi, Inc. Improved wireless network repeater
US8885688B2 (en) * 2002-10-01 2014-11-11 Qualcomm Incorporated Control message management in physical layer repeater
KR101012629B1 (ko) * 2002-10-11 2011-02-09 퀄컴 인코포레이티드 Wlan 중계기 내에서의 루프 효과의 감소 방법
US8078100B2 (en) * 2002-10-15 2011-12-13 Qualcomm Incorporated Physical layer repeater with discrete time filter for all-digital detection and delay generation
EP1604468B1 (de) 2002-10-15 2008-07-23 Qualcomm Incorporated Wlan-repeater mit automatischer verstärkungsregelung für erweiterte netzabdeckung
US7230935B2 (en) 2002-10-24 2007-06-12 Widefi, Inc. Physical layer repeater with selective use of higher layer functions based on network operating conditions
US7254170B2 (en) * 2002-11-06 2007-08-07 Qualcomm Incorporated Noise and channel estimation using low spreading factors
CA2504347A1 (en) 2002-11-15 2004-06-03 Widefi, Inc. Wireless local area network repeater with detection
JP4276009B2 (ja) * 2003-02-06 2009-06-10 株式会社エヌ・ティ・ティ・ドコモ 移動局、基地局、無線伝送プログラム、及び無線伝送方法
KR100956820B1 (ko) 2003-05-12 2010-05-12 엘지전자 주식회사 이동 통신 시스템에서 오버 헤드 채널을 전송하는 방법
US7418042B2 (en) 2003-09-17 2008-08-26 Atheros Communications, Inc. Repetition coding for a wireless system
US7543214B2 (en) * 2004-02-13 2009-06-02 Marvell International Ltd. Method and system for performing CRC
US8325591B2 (en) * 2004-02-26 2012-12-04 Qualcomm Incorporated Suppressing cross-polarization interference in an orthogonal communication link
US8027642B2 (en) * 2004-04-06 2011-09-27 Qualcomm Incorporated Transmission canceller for wireless local area network
CN1993904B (zh) * 2004-05-13 2011-09-07 高通股份有限公司 具有用于上行链路及下行链路同步之下行链路检测的非变频中继器
EP1769645A4 (de) 2004-06-03 2010-07-21 Qualcomm Inc Frequenzüberträger mit kostengeringer lokaler hochleistungsoszillatorarchitektur
PL1779055T3 (pl) * 2004-07-15 2017-08-31 Cubic Corporation Ulepszenie punktu celowniczego w układach symulatorów szkoleniowych
US7907671B2 (en) * 2004-12-03 2011-03-15 Motorola Mobility, Inc. Method and system for scaling a multi-channel signal
EP1829312B1 (de) 2004-12-23 2013-10-23 Electronics and Telecommunications Research Institute Vorrichtung zum senden und empfangen von daten zur bereitstellung von schneller datenkommunikation und verfahren dafür
US8059727B2 (en) 2005-01-28 2011-11-15 Qualcomm Incorporated Physical layer repeater configuration for increasing MIMO performance
JP3917633B1 (ja) * 2005-11-21 2007-05-23 シャープ株式会社 デジタル復調装置、その制御方法、デジタル復調装置用プログラム、デジタル復調装置用プログラムを記録した記録媒体及びデジタル受信装置
JP4245602B2 (ja) * 2005-11-25 2009-03-25 シャープ株式会社 デジタル復調装置、デジタル受信装置、デジタル復調装置の制御方法、デジタル復調装置の制御プログラム、及び、この制御プログラムを記録した記録媒体
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
CA2601662A1 (en) 2006-09-18 2008-03-18 Matthias Mullenborn Wireless interface for programming hearing assistance devices
CA2663419C (en) 2006-09-21 2016-07-19 Qualcomm Incorporated Method and apparatus for mitigating oscillation between repeaters
BRPI0717378A2 (pt) * 2006-10-26 2013-10-29 Qualcomm Inc Técnicas de repetidora para múltiplas entradas e múltiplas saídas utilizando conformadores de fachos.
AR067299A1 (es) 2007-03-30 2009-10-07 Interdigital Tech Corp Control de potencia en sub-canales ortogonales en sistemas de comunicaciones inalambricas
KR101351026B1 (ko) * 2007-04-13 2014-01-13 엘지전자 주식회사 방송 신호 송수신 장치 및 방송 신호 송수신 방법
KR101351019B1 (ko) * 2007-04-13 2014-01-13 엘지전자 주식회사 방송 신호 송수신 장치 및 방송 신호 송수신 방법
US8189708B2 (en) * 2008-08-08 2012-05-29 The Boeing Company System and method for accurate downlink power control of composite QPSK modulated signals
US8446832B2 (en) * 2010-09-30 2013-05-21 Telefonaktiebolaget L M Ericsson (Publ) Dynamic control of air interface throughput
CN110740174A (zh) * 2019-09-30 2020-01-31 北京字节跳动网络技术有限公司 文件下载限速方法、装置及电子设备

Family Cites Families (117)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2562180A (en) * 1949-04-12 1951-07-31 Curtiss Candy Company Article dispenser
US4361890A (en) * 1958-06-17 1982-11-30 Gte Products Corporation Synchronizing system
US3169171A (en) * 1962-07-17 1965-02-09 Stephen R Steinberg Disposable sanitary cover for telephones
US3310631A (en) * 1963-06-03 1967-03-21 Itt Communication system for the selective transmission of speech and data
US3715508A (en) * 1967-09-15 1973-02-06 Ibm Switching circuits employing orthogonal and quasi-orthogonal pseudo-random code sequences
US4179658A (en) * 1968-08-23 1979-12-18 The United States Of America As Represented By The Secretary Of The Army Secret-signalling system utilizing noise communication
DE2048055C1 (de) * 1970-09-30 1978-04-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Feststellung der
DE2054734C1 (de) * 1970-11-06 1980-10-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Synchronisation eines Übertragungssystems
DE2245189C3 (de) * 1971-09-18 1980-09-25 Fujitsu Ltd., Kawasaki, Kanagawa (Japan) Vorrichtung zur Übertragung eines restseitenbandträgermodulierten Mehrpegelsignals und eines Synchronisier-Pilotsignals
US3795864A (en) * 1972-12-21 1974-03-05 Western Electric Co Methods and apparatus for generating walsh functions
US4002991A (en) * 1975-01-29 1977-01-11 Nippon Gakki Seizo Kabushiki Kaisha Pilot signal extracting circuitry
US4052565A (en) * 1975-05-28 1977-10-04 Martin Marietta Corporation Walsh function signal scrambler
US4017798A (en) * 1975-09-08 1977-04-12 Ncr Corporation Spread spectrum demodulator
US4048563A (en) * 1975-10-17 1977-09-13 The United States Of America As Represented By The Secretary Of The Navy Carrier-modulated coherency monitoring system
US4020461A (en) * 1975-11-18 1977-04-26 Trw Inc. Method of and apparatus for transmitting and receiving coded digital signals
US4092601A (en) * 1976-06-01 1978-05-30 The Charles Stark Draper Laboratory, Inc. Code tracking signal processing system
US4100376A (en) * 1977-01-03 1978-07-11 Raytheon Company Pilot tone demodulator
US4217586A (en) * 1977-05-16 1980-08-12 General Electric Company Channel estimating reference signal processor for communication system adaptive antennas
US4164628A (en) * 1977-06-06 1979-08-14 International Telephone And Telegraph Corporation Processor for multiple, continuous, spread spectrum signals
US4188580A (en) * 1977-10-20 1980-02-12 Telesync Corporation Secure communication system
US4308617A (en) * 1977-11-07 1981-12-29 The Bendix Corporation Noiselike amplitude and phase modulation coding for spread spectrum transmissions
US4222115A (en) * 1978-03-13 1980-09-09 Purdue Research Foundation Spread spectrum apparatus for cellular mobile communication systems
US4189677A (en) * 1978-03-13 1980-02-19 Purdue Research Foundation Demodulator unit for spread spectrum apparatus utilized in a cellular mobile communication system
US4193031A (en) * 1978-03-13 1980-03-11 Purdue Research Foundation Method of signal transmission and reception utilizing wideband signals
US4291409A (en) * 1978-06-20 1981-09-22 The Mitre Corporation Spread spectrum communications method and apparatus
US4203071A (en) * 1978-08-08 1980-05-13 The Charles Stark Draper Laboratory, Inc. Pseudo-random-number-code-detection and tracking system
US4203070A (en) * 1978-08-08 1980-05-13 The Charles Stark Draper Laboratory, Inc. Pseudo-random-number code detection and tracking system
US4247939A (en) * 1978-11-09 1981-01-27 Sanders Associates, Inc. Spread spectrum detector
US4301530A (en) * 1978-12-18 1981-11-17 The United States Of America As Represented By The Secretary Of The Army Orthogonal spread spectrum time division multiple accessing mobile subscriber access system
US4313211A (en) * 1979-08-13 1982-01-26 Bell Telephone Laboratories, Incorporated Single sideband receiver with pilot-based feed forward correction for motion-induced distortion
US4287577A (en) * 1979-09-27 1981-09-01 Communications Satellite Corporation Interleaved TDMA terrestrial interface buffer
US4291410A (en) * 1979-10-24 1981-09-22 Rockwell International Corporation Multipath diversity spread spectrum receiver
US4276646A (en) * 1979-11-05 1981-06-30 Texas Instruments Incorporated Method and apparatus for detecting errors in a data set
IT1119972B (it) * 1979-12-13 1986-03-19 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la trasmissione di segnali analogici in un sistema di comunicazione a spettro diffuso
NL189062C (nl) * 1980-02-15 1992-12-16 Philips Nv Werkwijze en stelsel voor overdracht van datapakketten.
US4309769A (en) * 1980-02-25 1982-01-05 Harris Corporation Method and apparatus for processing spread spectrum signals
DE3012513C2 (de) * 1980-03-31 1984-04-26 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Überwachung analoger und digitaler Funkverbindungen
US4451916A (en) * 1980-05-12 1984-05-29 Harris Corporation Repeatered, multi-channel fiber optic communication network having fault isolation system
DE3023375C1 (de) * 1980-06-23 1987-12-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
US4730340A (en) * 1980-10-31 1988-03-08 Harris Corp. Programmable time invariant coherent spread symbol correlator
US4361891A (en) * 1980-12-22 1982-11-30 General Electric Company Spread spectrum signal estimator
US4434323A (en) * 1981-06-29 1984-02-28 Motorola, Inc. Scrambler key code synchronizer
JPS592463A (ja) * 1982-06-29 1984-01-09 Fuji Xerox Co Ltd 再送制御方式
US4472815A (en) * 1982-09-27 1984-09-18 The United States Of America As Represented By The Secretary Of The Army Pulse interference cancelling system for spread spectrum signals
US4484335A (en) * 1982-10-14 1984-11-20 E-Systems, Inc. Method and apparatus for despreading a spread spectrum signal at baseband
US4559633A (en) * 1982-10-22 1985-12-17 Hitachi, Ltd. Spread spectrum system
US4551853A (en) * 1982-10-28 1985-11-05 Thomson Csf Apparatus for processing speech in radioelectric transmitter/receiver equipment suitable for transmitting and receiving speech
US4460992A (en) * 1982-11-04 1984-07-17 The United States Of America As Represented By The Secretary Of The Army Orthogonal CDMA system utilizing direct sequence pseudo noise codes
US4501002A (en) * 1983-02-28 1985-02-19 Auchterlonie Richard C Offset QPSK demodulator and receiver
US4512024A (en) 1983-06-29 1985-04-16 The United States Of America As Represented By The Secretary Of The Army Impulse autocorrelation function communications system
US4649549A (en) * 1983-08-30 1987-03-10 Sophisticated Signals And Circuits Apparatus for synchronizing linear PN sequences
US4688035A (en) * 1983-11-28 1987-08-18 International Business Machines Corp. End user data stream syntax
US4601047A (en) * 1984-03-23 1986-07-15 Sangamo Weston, Inc. Code division multiplexer using direct sequence spread spectrum signal processing
US4567588A (en) * 1984-03-23 1986-01-28 Sangamo Weston, Inc. Synchronization system for use in direct sequence spread spectrum signal receiver
US4561089A (en) * 1984-03-23 1985-12-24 Sangamo Weston, Inc. Correlation detectors for use in direct sequence spread spectrum signal receiver
US4607375A (en) * 1984-10-17 1986-08-19 Itt Corporation Covert communication system
US4621365A (en) * 1984-11-16 1986-11-04 Hughes Aircraft Company Synchronization preamble correlation detector and frequency estimator
US4635221A (en) * 1985-01-18 1987-01-06 Allied Corporation Frequency multiplexed convolver communication system
US4630283A (en) * 1985-07-17 1986-12-16 Rca Corporation Fast acquisition burst mode spread spectrum communications system with pilot carrier
US4665514A (en) * 1985-08-02 1987-05-12 American Telephone And Telegraph Company, At&T Bell Laboratories Integrated voice/data network
US4785463A (en) * 1985-09-03 1988-11-15 Motorola, Inc. Digital global positioning system receiver
US4669089A (en) * 1985-09-30 1987-05-26 The Boeing Company Suppressed clock pulse-duration modulator for direct sequence spread spectrum transmission systems
US4672658A (en) * 1985-10-16 1987-06-09 At&T Company And At&T Bell Laboratories Spread spectrum wireless PBX
US4703474A (en) * 1986-02-28 1987-10-27 American Telephone And Telegraph Company, At&T Bell Laboratories Spread spectrum code-division-multiple-access (SS-CDMA) lightwave communication system
US4754450A (en) * 1986-03-25 1988-06-28 Motorola, Inc. TDM communication system for efficient spectrum utilization
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US4813040A (en) * 1986-10-31 1989-03-14 Futato Steven P Method and apparatus for transmitting digital data and real-time digitalized voice information over a communications channel
NL8700930A (nl) * 1987-04-17 1988-11-16 Hollandse Signaalapparaten Bv Systeem van orthogonaal werkende codegeneratoren, radio's voorzien van een codegenerator en codegeneratoren van zo'n systeem.
US4809295A (en) * 1987-04-20 1989-02-28 Unisys Corporation Code lengthening system
JPS63275233A (ja) 1987-05-06 1988-11-11 Victor Co Of Japan Ltd スペクトラム拡散通信方式
JP2624964B2 (ja) * 1987-06-09 1997-06-25 キヤノン株式会社 無線通信装置
US5199045A (en) * 1987-06-09 1993-03-30 Canon Kabushiki Kaisha Communication apparatus
US4894842A (en) * 1987-10-15 1990-01-16 The Charles Stark Draper Laboratory, Inc. Precorrelation digital spread spectrum receiver
FR2629931B1 (fr) * 1988-04-08 1991-01-25 Lmt Radio Professionelle Correlateur numerique asynchrone et demodulateurs comportant un tel correlateur
JPH0234059A (ja) * 1988-07-25 1990-02-05 Mitsubishi Electric Corp ノード装置の処理方式
US4980897A (en) * 1988-08-12 1990-12-25 Telebit Corporation Multi-channel trellis encoder/decoder
JPH06103873B2 (ja) * 1988-09-01 1994-12-14 三菱電機株式会社 直交系列発生方式
JPH069349B2 (ja) * 1988-09-16 1994-02-02 日本ビクター株式会社 スペクトル拡散通信方式
US5260969A (en) * 1988-11-14 1993-11-09 Canon Kabushiki Kaisha Spectrum diffusion communication receiving apparatus
US4951150A (en) * 1989-03-01 1990-08-21 Foresight, Inc. Optical projection system
US4942591A (en) * 1989-03-07 1990-07-17 Agilis Corporation Multiple phase PSK demodulator
JP2603717B2 (ja) * 1989-03-09 1997-04-23 三菱電機株式会社 サイクリックデータ伝送方法
US5022046A (en) * 1989-04-14 1991-06-04 The United States Of America As Represented By The Secretary Of The Air Force Narrowband/wideband packet data communication system
US5274836A (en) * 1989-08-08 1993-12-28 Gde Systems, Inc. Multiple encoded carrier data link
GB2236454A (en) * 1989-09-01 1991-04-03 Philips Electronic Associated Communications system for radio telephones
US4962507A (en) * 1989-09-29 1990-10-09 Hughes Aircraft Company Feed forward spread spectrum signal processor
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
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
US5056109A (en) * 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US5005169A (en) * 1989-11-16 1991-04-02 Westinghouse Electric Corp. Frequency division multiplex guardband communication system for sending information over the guardbands
US5136586A (en) * 1989-12-04 1992-08-04 Academy Of Applied Science Method and apparatus for telephone line multiplex channeling of toll-quality voice and digital information
CA2032765C (en) * 1989-12-21 1995-12-12 Hidetaka Yoshikawa Variable rate encoding and communicating apparatus
US5091940A (en) * 1990-01-16 1992-02-25 Hughes Aircraft Company Data router with burst shuffling and deshuffling output buffers
JP2675890B2 (ja) * 1990-03-06 1997-11-12 キヤノン株式会社 スペクトラム拡散通信装置
US5291515A (en) * 1990-06-14 1994-03-01 Clarion Co., Ltd. Spread spectrum communication device
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
FR2670973B1 (fr) * 1990-12-19 1994-04-15 Ouest Standard Telematique Sa Systeme de transmission par paquets a compression de donnees, procede et equipement correspondant.
US5204876A (en) * 1991-03-13 1993-04-20 Motorola, Inc. Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system
JP2973675B2 (ja) 1991-07-22 1999-11-08 日本電気株式会社 可変レート伝送に適した符号化復号方式及び装置
US5218639A (en) * 1991-12-02 1993-06-08 Gte Government Systems Corporation Method and apparatus for changing bit rate of digitized analog
JPH05219016A (ja) * 1991-12-09 1993-08-27 Matsushita Electric Ind Co Ltd 送受信回路
US5260967A (en) * 1992-01-13 1993-11-09 Interdigital Technology Corporation CDMA/TDMA spread-spectrum communications system and method
DE4210305A1 (de) 1992-03-30 1993-10-07 Sel Alcatel Ag Verfahren, Sender und Empfänger zur Informationsdatenübertragung mit veränderlichem Verkehrsaufkommen und Leitstation zur Koordinierung mehrerer solcher Sender und Empfänger
ZA938324B (en) 1992-11-24 1994-06-07 Qualcomm Inc Pilot carrier dot product circuit
US5341396A (en) * 1993-03-02 1994-08-23 The Boeing Company Multi-rate spread system
JP2802870B2 (ja) 1993-03-10 1998-09-24 エヌ・ティ・ティ移動通信網株式会社 符号分割多重移動通信機及び符号分割多重移動通信のセル選択方法
US5329547A (en) * 1993-03-11 1994-07-12 Motorola, Inc. Method and apparatus for coherent communication in a spread-spectrum communication system
MY112371A (en) * 1993-07-20 2001-05-31 Qualcomm Inc System and method for orthogonal spread spectrum sequence generation in variable data rate systems
US5490165A (en) * 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
US5414728A (en) * 1993-11-01 1995-05-09 Qualcomm Incorporated Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels
EP0700612A4 (de) * 1994-02-25 1998-09-30 Motorola Inc Verfahren und vorrichtung zum zeitgemultiplexten gebrauch von spreizcodes in einem nachrichtenübertragungssystem
US5442625A (en) 1994-05-13 1995-08-15 At&T Ipm Corp Code division multiple access system providing variable data rate access to a user
US5511067A (en) 1994-06-17 1996-04-23 Qualcomm Incorporated Layered channel element in a base station modem for a CDMA cellular communication system
US5696766A (en) 1995-06-02 1997-12-09 Dsc Communications Corporation Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless telecommunications system
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
JP3200547B2 (ja) * 1995-09-11 2001-08-20 株式会社日立製作所 Cdma方式移動通信システム
US6363102B1 (en) * 1999-04-23 2002-03-26 Qualcomm Incorporated Method and apparatus for frequency offset correction

Also Published As

Publication number Publication date
US20030128680A1 (en) 2003-07-10
US6728230B2 (en) 2004-04-27
IL127292A0 (en) 1999-09-22
WO1997045970A1 (en) 1997-12-04
PT901722E (pt) 2004-10-29
ES2323806T3 (es) 2009-07-24
BR9709612A (pt) 1999-08-10
IL152113A (en) 2009-02-11
HK1104157A1 (en) 2008-01-04
EP0901722B1 (de) 2004-05-26
IL127292A (en) 2003-10-31
EP1453220B1 (de) 2007-04-25
US20030039235A1 (en) 2003-02-27
DE69737667T2 (de) 2008-01-03
US6535496B1 (en) 2003-03-18
ES2275173T3 (es) 2007-06-01
AU736358B2 (en) 2001-07-26
CN1228211A (zh) 1999-09-08
ATE360924T1 (de) 2007-05-15
US6424619B2 (en) 2002-07-23
HK1018993A1 (en) 2000-03-31
CA2256416C (en) 2006-10-10
US20010050906A1 (en) 2001-12-13
ZA974388B (en) 1997-12-23
DE69729296D1 (de) 2004-07-01
TW357503B (en) 1999-05-01
ES2225975T3 (es) 2005-03-16
EP1772969A3 (de) 2007-04-18
ATE268075T1 (de) 2004-06-15
US5930230A (en) 1999-07-27
JP2007221799A (ja) 2007-08-30
EP1453220A2 (de) 2004-09-01
DE69739389D1 (de) 2009-06-10
BR9709612B1 (pt) 2010-11-03
DK0901722T3 (da) 2004-09-20
ATE430411T1 (de) 2009-05-15
IL152113A0 (en) 2003-05-29
EP0901722A1 (de) 1999-03-17
JP4263749B2 (ja) 2009-05-13
JP2000511721A (ja) 2000-09-05
CN1155168C (zh) 2004-06-23
EP1772969A2 (de) 2007-04-11
EP1453220A3 (de) 2006-08-30
EP1772969B1 (de) 2009-04-29
DE69729296T2 (de) 2005-05-12
CA2256416A1 (en) 1997-12-04
JP4307553B2 (ja) 2009-08-05
AU3154697A (en) 1998-01-05

Similar Documents

Publication Publication Date Title
DE69739389D1 (de) Teilnehmergerät für CDMA Drahtloskommunikationssystem
RU2008150332A (ru) Абонентское устройство и способ его использования в системе беспроводной связи
CA2227162A1 (en) Cellular mobile telephone system
WO2001097400A3 (en) Method and apparatus for demodulating signals processed in a transmit diversity mode
EP0671821A3 (de) CDMA System unter Gebrauch von in Quadraturkomponenten aufgeteilten Spreizsequenzen und Interferenzunterdrückung durch Subtraktion wiedergespreizter Daten von Empfangssignal
MX9604085A (es) Arquitectura de demodulador de sitio de celula para un sistema de comunicacion de acceso multiple de espectro extendido.
CA2582173A1 (en) Adaptive power control for a spread spectrum communications system and method
CA2085890A1 (en) System and method for generating signal waveforms in a cdma cellular telephone system
HK1044234A1 (en) Channel estimation in a cdma wireless communication system.
MX9702273A (es) Metodo y aparato para desmodulacion y deteccion de bits de control de potencia en un sistema de comunicaciones de espectro extendido.
AU718878B2 (en) CDMA communication system
EP0810741A3 (de) Empfänger für Kodemultiplexmehrfachzugriffssystem
US20010005394A1 (en) Data transmitter and receiver of a DS-CDMA communication system
GB2345416B (en) Wireless communication apparatus and power consumption reducing method thereof
CA2109257A1 (en) Code-Division Multiple-Access Demodulator with Improved Interference Cancelation
CA2298688A1 (en) Device and method for measuring non-orthogonal noise power for cdma communication system
EP0896437A3 (de) Spreizspektrumsynchronisiergerät
CA2349222A1 (en) Channel spreading device and method for cdma communication system
CA2214061A1 (en) Differential psk signalling in cdma networks
DE69732540D1 (de) Digitales Modulationsverfahren und Schaltung, digitales Demodulationsverfahren und Schaltung
EP0903870A3 (de) CDMA Funknachrichtenübertragungsgerät
FI935560A (fi) Tiedonsiirtomenetelmä, CDMA-lähetin sekä -vastaanotin
DE69732601D1 (de) Empfanger, demodulator und demodulationsverfahren
AU3610397A (en) Costas loop carrier recovery circuit using square-law circuits
JPH0955684A (ja) スペクトル拡散通信用受信装置

Legal Events

Date Code Title Description
8364 No opposition during term of opposition