JP2003533068A - チップ同期ｃｄｍａマルチプレクサ及び定数エンベロープ信号を生ずる方法 - Google Patents

チップ同期ｃｄｍａマルチプレクサ及び定数エンベロープ信号を生ずる方法

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Publication number
JP2003533068A
JP2003533068A JP2001512722A JP2001512722A JP2003533068A JP 2003533068 A JP2003533068 A JP 2003533068A JP 2001512722 A JP2001512722 A JP 2001512722A JP 2001512722 A JP2001512722 A JP 2001512722A JP 2003533068 A JP2003533068 A JP 2003533068A
Authority
JP
Japan
Prior art keywords
baseband
channels
multiplexer
chip
signals
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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.)
Pending
Application number
JP2001512722A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003533068A5 (enExample
Inventor
エス． オール，リチャード
Original Assignee
アイティーティー・マニュファクチャリング・エンタープライジズ・インコーポレーテッド
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.)
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Application filed by アイティーティー・マニュファクチャリング・エンタープライジズ・インコーポレーテッド filed Critical アイティーティー・マニュファクチャリング・エンタープライジズ・インコーポレーテッド
Publication of JP2003533068A publication Critical patent/JP2003533068A/ja
Publication of JP2003533068A5 publication Critical patent/JP2003533068A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0003—Code application, i.e. aspects relating to how codes are applied to form multiplexed channels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2001512722A 1999-07-23 2000-07-21 チップ同期ｃｄｍａマルチプレクサ及び定数エンベロープ信号を生ずる方法 Pending JP2003533068A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US14509499P 1999-07-23 1999-07-23
US60/145,094 1999-07-23
US09/618,102 2000-07-17
US09/618,102 US6996080B1 (en) 1999-07-23 2000-07-17 Chip-synchronous CDMA multiplexer and method resulting in constant envelope signals
PCT/US2000/019546 WO2001008326A1 (en) 1999-07-23 2000-07-21 Chip-synchronous cdma multiplexer and method resulting in constant envelope signals

Publications (2)

Publication Number Publication Date
JP2003533068A true JP2003533068A (ja) 2003-11-05
JP2003533068A5 JP2003533068A5 (enExample) 2007-04-26

Family

ID=26842659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001512722A Pending JP2003533068A (ja) 1999-07-23 2000-07-21 チップ同期ｃｄｍａマルチプレクサ及び定数エンベロープ信号を生ずる方法

Country Status (5)

Country Link
US (1) US6996080B1 (enExample)
EP (1) EP1203461A4 (enExample)
JP (1) JP2003533068A (enExample)
AU (1) AU6220400A (enExample)
WO (1) WO2001008326A1 (enExample)

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WO2004062153A1 (ja) * 2002-12-25 2004-07-22 Matsushita Electric Industrial Co., Ltd. 無線通信装置及び無線送信方法
JP2008544609A (ja) * 2005-06-09 2008-12-04 アイティーティー マニュファクチャリング エンタープライジーズ， インコーポレイテッド 電力効率および帯域幅効率に優れた通信のためのマルチキャリア一定エンベロープ信号方式

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AU2001293120A1 (en) 2000-09-27 2002-04-08 Itt Manufacturing Enterprises, Inc. Intervote modulator
US7035245B2 (en) 2001-02-27 2006-04-25 Itt Manufacturing Enterprises, Inc. Methods and apparatus for multiplexing signal codes via weighted majority logic
GB2392685B (en) * 2001-03-07 2005-01-19 Halliburton Energy Serv Inc Synchronous CDMA telemetry system for use in a wellbore
US6819260B2 (en) 2001-03-07 2004-11-16 Halliburton Energy Services, Inc. Synchronous CDMA telemetry system for use in a wellbore
US7688899B2 (en) * 2001-05-17 2010-03-30 Qualcomm Incorporated Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
US7072413B2 (en) 2001-05-17 2006-07-04 Qualcomm, Incorporated Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
JP4165238B2 (ja) * 2003-01-29 2008-10-15 日本電気株式会社 パスサーチ回路及びその方法ならびにプログラム
US6995683B2 (en) 2004-03-12 2006-02-07 Welldynamics, Inc. System and method for transmitting downhole data to the surface
AU2014308548B2 (en) * 2013-08-21 2018-10-04 Myriota Pty Ltd A multiuser communications system

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JPH06268631A (ja) * 1993-03-16 1994-09-22 Minoru Inazu 情報圧縮型符号分割多重方式
JPH10229380A (ja) * 1997-02-13 1998-08-25 Minoru Inazu 符号分割多重接続方式を用いた通信装置
JPH11154927A (ja) * 1997-11-20 1999-06-08 Mitsubishi Electric Corp スペクトル拡散通信装置

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US5956332A (en) 1994-12-09 1999-09-21 Nokia Telecommunications Oy High-speed data transmission in mobile communication networks
US5784402A (en) * 1995-01-09 1998-07-21 Kamilo Feher FMOD transceivers including continuous and burst operated TDMA, FDMA, spread spectrum CDMA, WCDMA and CSMA
JP2718398B2 (ja) * 1995-06-30 1998-02-25 日本電気株式会社 Ｃｄｍａ基地局送信装置
US6108317A (en) * 1995-11-01 2000-08-22 Stm Wireless, Inc. Cyclic code phase multiple access for inbound satellite communications
JP2934185B2 (ja) * 1996-03-15 1999-08-16 松下電器産業株式会社 Ｃｄｍａセルラ無線基地局装置および移動局装置および送信方法
US6026129A (en) * 1996-03-27 2000-02-15 Matsushita Electric Industrial Co., Ltd. Radio receiving apparatus for receiving communication signals of different bandwidths
US6064663A (en) * 1996-09-10 2000-05-16 Nokia Mobile Phones Limited Cellular CDMA data link utilizing multiplexed channels for data rate increase
US5848105A (en) * 1996-10-10 1998-12-08 Gardner; William A. GMSK signal processors for improved communications capacity and quality
US6222828B1 (en) * 1996-10-30 2001-04-24 Trw, Inc. Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications
US5903555A (en) * 1996-10-30 1999-05-11 Trw Inc. Modulation method and system using constant envelope ODSCDMA with low out-of-band emissions for non-linear amplification
JP3311950B2 (ja) 1996-12-19 2002-08-05 富士通株式会社 符号多重無線装置
KR100251561B1 (ko) * 1997-06-19 2000-04-15 윤종용 디지털통신시스템의송신기선형화장치및방법
US6205167B1 (en) * 1997-12-23 2001-03-20 Philips Electronics North America Corporation Apparatus and method for code tracking in an IS-95 spread spectrum communications system
US6240081B1 (en) * 1998-01-15 2001-05-29 Denso Corporation Multicode CDMA transmitter with improved signal processing
US6078576A (en) 1998-02-04 2000-06-20 Golden Bridge Technology, Inc. High processing gain CDMA/TDMA system and method
FR2774831B1 (fr) * 1998-02-11 2000-04-07 Agence Spatiale Europeenne Recepteur adaptatif de signaux pour systeme de communications a acces pultiples par repartition a codes
US6266320B1 (en) * 1998-04-08 2001-07-24 Telefonaktiebolaget Lm Ericsson (Publ) Amplitude limitation in CDMA system
EP0997011B1 (en) * 1998-05-12 2007-07-11 Samsung Electronics Co., Ltd. Device and method for reducing the peak-to-average power ratio of a mobile station's transmit power
US6393047B1 (en) * 1998-06-16 2002-05-21 Telefonaktiebolaget Lm Ericsson (Publ) Quadriphase spreading codes in code division multiple access communications
US6404823B1 (en) * 1998-07-01 2002-06-11 Conexant Systems, Inc. Envelope feedforward technique with power control for efficient linear RF power amplification
US6366619B1 (en) * 1998-08-28 2002-04-02 Sicom, Inc. Constrained-envelope transmitter and method therefor
JP2000165292A (ja) * 1998-11-24 2000-06-16 Oki Electric Ind Co Ltd 同期捕捉回路
US6091759A (en) 1998-11-24 2000-07-18 Motorola, Inc. Method and apparatus for spreading and despreading data in a spread-spectrum communication system
US6298099B1 (en) * 1998-12-30 2001-10-02 Futurewave, Inc. Constant envelope modulation communication system
US6515961B1 (en) * 1999-03-10 2003-02-04 Qualcomm Incorporated Decresting peaks in a CDMA signal
JP4224168B2 (ja) * 1999-04-23 2009-02-12 パナソニック株式会社 基地局装置及びピーク電力抑圧方法
CA2272875A1 (en) * 1999-05-26 2000-11-26 Telecommunications Research Laboratories Spread spectrum time-division multiple access communication scheme
US6556814B1 (en) * 1999-07-22 2003-04-29 Motorola, Inc. Memory-based amplifier load adjust system
US6349216B1 (en) * 1999-07-22 2002-02-19 Motorola, Inc. Load envelope following amplifier system
US6594286B2 (en) * 1999-08-12 2003-07-15 Qualcomm Incorporated Method and apparatus for coherent demodulation in communication system employing a potentially gated pilot signal
US6516183B1 (en) * 1999-09-10 2003-02-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for disturbance compensation of a direct conversion receiver in a full duplex transceiver
GB0011326D0 (en) * 2000-05-11 2000-06-28 Nortel Networks Corp A linear amplifier arrangement
US6501955B1 (en) * 2000-06-19 2002-12-31 Intel Corporation RF signal repeater, mobile unit position determination system using the RF signal repeater, and method of communication therefor
AU2001268530A1 (en) * 2000-06-20 2002-01-02 Powerwave Technologies, Inc. System and method for peak power reduction in multiple carrier communications systems
US6587511B2 (en) * 2001-01-26 2003-07-01 Intel Corporation Radio frequency transmitter and methods thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06268631A (ja) * 1993-03-16 1994-09-22 Minoru Inazu 情報圧縮型符号分割多重方式
JPH10229380A (ja) * 1997-02-13 1998-08-25 Minoru Inazu 符号分割多重接続方式を用いた通信装置
JPH11154927A (ja) * 1997-11-20 1999-06-08 Mitsubishi Electric Corp スペクトル拡散通信装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004062153A1 (ja) * 2002-12-25 2004-07-22 Matsushita Electric Industrial Co., Ltd. 無線通信装置及び無線送信方法
US7586866B2 (en) 2002-12-25 2009-09-08 Panasonic Corporation Radio communication apparatus and radio transmission method
US8270427B2 (en) 2002-12-25 2012-09-18 Panasonic Corporation Radio communication apparatus and radio transmission method
JP2008544609A (ja) * 2005-06-09 2008-12-04 アイティーティー マニュファクチャリング エンタープライジーズ， インコーポレイテッド 電力効率および帯域幅効率に優れた通信のためのマルチキャリア一定エンベロープ信号方式
JP4875072B2 (ja) * 2005-06-09 2012-02-15 アイティーティー マニュファクチャリング エンタープライジーズ， インコーポレイテッド 電力効率および帯域幅効率に優れた通信のためのマルチキャリア一定エンベロープ信号方式

Also Published As

Publication number Publication date
EP1203461A4 (en) 2004-10-27
US6996080B1 (en) 2006-02-07
AU6220400A (en) 2001-02-13
EP1203461A1 (en) 2002-05-08
WO2001008326A1 (en) 2001-02-01

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