ATE343880T1 - Vorverzerrungsverfahren für einen mehrträger-cdma-aufwärtskanal - Google Patents

Vorverzerrungsverfahren für einen mehrträger-cdma-aufwärtskanal

Info

Publication number
ATE343880T1
ATE343880T1 AT02290076T AT02290076T ATE343880T1 AT E343880 T1 ATE343880 T1 AT E343880T1 AT 02290076 T AT02290076 T AT 02290076T AT 02290076 T AT02290076 T AT 02290076T AT E343880 T1 ATE343880 T1 AT E343880T1
Authority
AT
Austria
Prior art keywords
carriers
upchannel
multi carrier
base station
carrier cdma
Prior art date
Application number
AT02290076T
Other languages
English (en)
Inventor
Damien Castelain
David Mottier
Original Assignee
Mitsubishi Electric Inf Tech
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 Inf Tech filed Critical Mitsubishi Electric Inf Tech
Application granted granted Critical
Publication of ATE343880T1 publication Critical patent/ATE343880T1/de

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA]
    • H04L5/026—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA] using code division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03484—Tapped delay lines time-recursive

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Amplifiers (AREA)
AT02290076T 2002-01-11 2002-01-11 Vorverzerrungsverfahren für einen mehrträger-cdma-aufwärtskanal ATE343880T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02290076A EP1328083B1 (de) 2002-01-11 2002-01-11 Vorverzerrungsverfahren für einen Mehrträger-CDMA-Aufwärtskanal

Publications (1)

Publication Number Publication Date
ATE343880T1 true ATE343880T1 (de) 2006-11-15

Family

ID=8185699

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02290076T ATE343880T1 (de) 2002-01-11 2002-01-11 Vorverzerrungsverfahren für einen mehrträger-cdma-aufwärtskanal

Country Status (5)

Country Link
US (1) US7315530B2 (de)
EP (1) EP1328083B1 (de)
JP (1) JP4250739B2 (de)
AT (1) ATE343880T1 (de)
DE (1) DE60215608T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3877215B2 (ja) 2003-10-10 2007-02-07 株式会社インテリジェント・コスモス研究機構 送信装置、通信システムおよび通信方法
JP2005269392A (ja) * 2004-03-19 2005-09-29 Nec Electronics Corp 受信装置及び受信方法と通信システムと装置
JP4546145B2 (ja) * 2004-05-11 2010-09-15 モトローラ・インコーポレイテッド マルチキャリア伝送システム及びマルチキャリア伝送用受信装置
CN101023610B (zh) * 2004-08-03 2012-08-22 新加坡科技研究局 用于接收信号的方法以及接收器
KR20070055527A (ko) * 2004-09-08 2007-05-30 마츠시타 덴끼 산교 가부시키가이샤 무선 송신 장치 및 그 프리 이퀄라이제이션 방법
US7715460B2 (en) 2005-04-22 2010-05-11 Interdigital Technology Corporation Hybrid orthogonal frequency division multiple access system and method
KR101218495B1 (ko) * 2006-02-21 2013-01-18 삼성전자주식회사 직교 주파수 분할 다중화/시분할 듀플렉스 방식의 이동통신시스템에서 상향링크 사전등화를 위한 하향링크 채널변화에 따른 적응채널 예측 장치 및 방법
FR2897734A1 (fr) * 2006-02-23 2007-08-24 France Telecom Procede d'emission avec allocation optimale de puissance emise pour emetteur multi porteuses
US8019015B2 (en) * 2007-02-26 2011-09-13 Harris Corporation Linearization of RF power amplifiers using an adaptive subband predistorter
US8099132B2 (en) * 2007-08-15 2012-01-17 Qualcomm Incorporated Antenna switching and uplink sounding channel measurement
JP5096208B2 (ja) * 2008-03-26 2012-12-12 パナソニック株式会社 Ｓｃ−ｆｄｍａ送信装置及びｓｃ−ｆｄｍａ送信信号形成方法
WO2011044959A1 (en) * 2009-10-13 2011-04-21 Nokia Siemens Networks Gmbh & Co. Kg Method for processing data in an optical network element and optical network element
WO2012092647A1 (en) * 2011-01-04 2012-07-12 James Cook University A method and system for linearising a radio frequency transmitter
US20130235956A1 (en) * 2012-03-09 2013-09-12 Qual Comm Incorporated Stability control in signal detection through code and time domain conditioning
US9813223B2 (en) 2013-04-17 2017-11-07 Intel Corporation Non-linear modeling of a physical system using direct optimization of look-up table values
US9300333B2 (en) * 2014-08-01 2016-03-29 Apple Inc. Methods for computing predistortion values for wireless systems
US10236958B2 (en) * 2016-03-21 2019-03-19 University Of Science And Technology Of China Method for signal transmission to multiple user equipments utilizing reciprocity of wireless channel

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5872814A (en) * 1997-02-24 1999-02-16 At&T Wireless Services Inc. Method for linearization of RF transmission electronics using baseband pre-distortion in T/R compensation pilot signals
CA2327678C (en) * 1998-04-03 2007-12-18 Tellabs Operations, Inc. Filter for impulse response shortening, with addition spectral constraints, for multicarrier transmission
US6298096B1 (en) * 1998-11-19 2001-10-02 Titan Corporation Method and apparatus for determination of predistortion parameters for a quadrature modulator
US6118335A (en) * 1999-05-06 2000-09-12 Nortel Networks Corporation Method and apparatus for providing adaptive predistortion in power amplifier and base station utilizing same
WO2000074232A1 (en) * 1999-05-28 2000-12-07 Fujitsu Limited Predistortion type distortion compensation amplifier
US6356146B1 (en) * 1999-07-13 2002-03-12 Pmc-Sierra, Inc. Amplifier measurement and modeling processes for use in generating predistortion parameters
US7072381B2 (en) * 1999-12-28 2006-07-04 Ntt Docomo, Inc. Path search method, channel estimation method and communication device
US6817412B2 (en) * 2000-01-24 2004-11-16 Shell Oil Company Method and apparatus for the optimal predistortion of an electromagnetic signal in a downhole communication system
JP2003524338A (ja) * 2000-02-22 2003-08-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ チャネル予測器を有するマルチチャネル受信機
EP1128592A3 (de) * 2000-02-23 2003-09-17 NTT DoCoMo, Inc. Mehrträger-CDMA und Kanalschätzung
GB0004125D0 (en) * 2000-02-23 2000-04-12 Koninkl Philips Electronics Nv Communications system
DE10012538C1 (de) * 2000-03-15 2001-09-20 Fraunhofer Ges Forschung Digitaler I/Q-Modulator mit Vorverzerrung
US6952561B1 (en) * 2000-08-31 2005-10-04 Lucent Technologies Inc. Enhanced metric for bit detection on fading channels with unknown statistics
CA2361247C (en) * 2000-11-06 2008-10-07 Ntt Docomo, Inc. Transmitter, transmitting method, receiver, and receiving method for mc-cdma communication system
FR2818057B1 (fr) * 2000-12-13 2006-07-07 Mitsubishi Electric Inf Tech Methode et dispositif de detection multi-utilisateur
US7035345B2 (en) * 2001-06-08 2006-04-25 Polyvalor S.E.C. Adaptive predistortion device and method using digital receiver
US6498529B1 (en) * 2001-06-08 2002-12-24 Lucent Technologies Inc. Method and apparatus for calculating the predistortion function from a power amplifier
US7027523B2 (en) * 2001-06-22 2006-04-11 Qualcomm Incorporated Method and apparatus for transmitting data in a time division duplexed (TDD) communication system
US6794936B2 (en) * 2001-07-03 2004-09-21 Lucent Technologies Inc. Equalizer system and method for predistortion
US6931080B2 (en) * 2001-08-13 2005-08-16 Lucent Technologies Inc. Multiple stage and/or nested predistortion system and method
JP4454308B2 (ja) * 2001-08-30 2010-04-21 富士通株式会社 マルチキャリアｃｄｍａ伝送方法及び基地局の送信装置
US7058369B1 (en) * 2001-11-21 2006-06-06 Pmc-Sierra Inc. Constant gain digital predistortion controller for linearization of non-linear amplifiers

Also Published As

Publication number Publication date
EP1328083A1 (de) 2003-07-16
US20030133404A1 (en) 2003-07-17
DE60215608T2 (de) 2007-08-30
JP2003249911A (ja) 2003-09-05
DE60215608D1 (de) 2006-12-07
EP1328083B1 (de) 2006-10-25
JP4250739B2 (ja) 2009-04-08
US7315530B2 (en) 2008-01-01

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