ATE367024T1 - Vorentzerrung eines mehrträger-cdma-systems über zeitvariante übertragungskanäle - Google Patents

Vorentzerrung eines mehrträger-cdma-systems über zeitvariante übertragungskanäle

Info

Publication number
ATE367024T1
ATE367024T1 AT03290844T AT03290844T ATE367024T1 AT E367024 T1 ATE367024 T1 AT E367024T1 AT 03290844 T AT03290844 T AT 03290844T AT 03290844 T AT03290844 T AT 03290844T AT E367024 T1 ATE367024 T1 AT E367024T1
Authority
AT
Austria
Prior art keywords
equalization
cdma system
carrier cdma
system via
transmission channels
Prior art date
Application number
AT03290844T
Other languages
English (en)
Inventor
David Mottier
Damien Castelain
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 ATE367024T1 publication Critical patent/ATE367024T1/de

Links

Classifications

    • 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
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H04B1/692—Hybrid techniques using combinations of two or more spread spectrum techniques
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
AT03290844T 2003-04-04 2003-04-04 Vorentzerrung eines mehrträger-cdma-systems über zeitvariante übertragungskanäle ATE367024T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03290844A EP1465364B1 (de) 2003-04-04 2003-04-04 Vorentzerrung eines Mehrträger-CDMA-Systems über zeitvariante übertragungskanäle

Publications (1)

Publication Number Publication Date
ATE367024T1 true ATE367024T1 (de) 2007-08-15

Family

ID=32842877

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03290844T ATE367024T1 (de) 2003-04-04 2003-04-04 Vorentzerrung eines mehrträger-cdma-systems über zeitvariante übertragungskanäle

Country Status (6)

Country Link
US (1) US8290018B2 (de)
EP (1) EP1465364B1 (de)
JP (1) JP4477926B2 (de)
CN (1) CN1312861C (de)
AT (1) ATE367024T1 (de)
DE (1) DE60314838T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107994964B (zh) * 2017-11-30 2020-09-08 广州海格通信集团股份有限公司 信道干扰的感知方法、系统、设备、存储介质和基站

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5862192A (en) * 1991-12-31 1999-01-19 Lucent Technologies Inc. Methods and apparatus for equalization and decoding of digital communications channels using antenna diversity
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
US6389084B1 (en) * 1998-08-07 2002-05-14 Lucent Technologies Inc. Apparatus and method for equalizing a signal independent of the impact of doppler frequency
US6259730B1 (en) * 1998-11-10 2001-07-10 Lucent Technologies, Inc. Transmit diversity and reception equalization for radio links
US6542562B1 (en) * 1999-02-09 2003-04-01 Telefonaktiebolaget Lm Ericsson (Publ) Approximated MMSE-based channel estimator in a mobile communication system
US6563861B1 (en) * 1999-03-22 2003-05-13 Ericsson, Inc. Doppler spread estimation system
US6680969B1 (en) * 1999-03-22 2004-01-20 Ericsson, Inc. Methods for estimating doppler spreads including autocorrelation function hypotheses and related systems and receivers
US6363102B1 (en) * 1999-04-23 2002-03-26 Qualcomm Incorporated Method and apparatus for frequency offset correction
WO2001017129A1 (en) * 1999-08-31 2001-03-08 Qualcomm Incorporated Apparatus for doppler correction in a wireless communications system
US6850505B1 (en) * 1999-09-01 2005-02-01 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for Doppler frequency estimation
US6785351B1 (en) * 2000-08-16 2004-08-31 Lucent Technologies Inc. Method and system for Doppler frequency estimation
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
US20020191568A1 (en) * 2001-03-29 2002-12-19 Koninklijke Philips Electronics N.V. Adaptive chip equalizers for synchronous DS-CDMA systems with pilot sequences
FR2823623B1 (fr) * 2001-04-13 2003-11-28 Inst Nat Sciences Appliq Procede de transmission bidirectionnelle de signaux multiporteuses, systeme terminal de communication et signal correspondants
US7035315B2 (en) * 2001-04-24 2006-04-25 Lucent Technologies Inc. Doppler corrected communications receiver and method of removing doppler frequency shift
JP4072910B2 (ja) * 2001-08-21 2008-04-09 インフィネオン テヒノロジース アクチェンゲゼルシャフト 拡散スペクトル通信システムにおいてデータ速度を増大させる方法及び装置
CN1156179C (zh) * 2001-09-03 2004-06-30 信息产业部电信传输研究所 一种信道估计平均区间的动态调整方法和装置
US6983125B2 (en) * 2001-09-25 2006-01-03 Qualcomm Incorporated Method and apparatus for varying the length of an adaptive equalizer based on doppler frequency
US7308232B2 (en) * 2002-06-21 2007-12-11 Lucent Technologies Inc. Method and apparatus for estimating a channel based on channel statistics
US7286593B1 (en) * 2002-07-15 2007-10-23 National Semiconductor Corporation System and method for channel estimation in a radio frequency receiver
JP3847289B2 (ja) * 2003-11-10 2006-11-22 株式会社半導体理工学研究センター パルスベース通信システム

Also Published As

Publication number Publication date
JP2004343719A (ja) 2004-12-02
DE60314838D1 (de) 2007-08-23
US8290018B2 (en) 2012-10-16
CN1536783A (zh) 2004-10-13
JP4477926B2 (ja) 2010-06-09
DE60314838T2 (de) 2007-10-25
EP1465364B1 (de) 2007-07-11
CN1312861C (zh) 2007-04-25
EP1465364A1 (de) 2004-10-06
US20050009544A1 (en) 2005-01-13

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