DE60218329D1 - Verfahren zur parallelen Interferenzunterdrückung mit Doppelgewichtung - Google Patents

Verfahren zur parallelen Interferenzunterdrückung mit Doppelgewichtung

Info

Publication number
DE60218329D1
DE60218329D1 DE60218329T DE60218329T DE60218329D1 DE 60218329 D1 DE60218329 D1 DE 60218329D1 DE 60218329 T DE60218329 T DE 60218329T DE 60218329 T DE60218329 T DE 60218329T DE 60218329 D1 DE60218329 D1 DE 60218329D1
Authority
DE
Germany
Prior art keywords
weighting
mai
symbol
user
decision
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
DE60218329T
Other languages
English (en)
Other versions
DE60218329T2 (de
Inventor
Limei Wei
Guolin Wang
Yu Jin
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of DE60218329D1 publication Critical patent/DE60218329D1/de
Application granted granted Critical
Publication of DE60218329T2 publication Critical patent/DE60218329T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71075—Parallel interference cancellation
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H04B2001/71077—Partial interference cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60218329T 2001-10-09 2002-10-09 Verfahren zur parallelen Interferenzunterdrückung mit Doppelgewichtung Expired - Lifetime DE60218329T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN01135527 2001-10-09
CNB011355271A CN1155189C (zh) 2001-10-09 2001-10-09 双层加权并行干扰对消方法的简化方法
PCT/CN2002/000711 WO2003032545A1 (fr) 2001-10-09 2002-10-09 Procede de suppression d'interferences parallele a double ponderation

Publications (2)

Publication Number Publication Date
DE60218329D1 true DE60218329D1 (de) 2007-04-05
DE60218329T2 DE60218329T2 (de) 2007-11-15

Family

ID=4673181

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60218329T Expired - Lifetime DE60218329T2 (de) 2001-10-09 2002-10-09 Verfahren zur parallelen Interferenzunterdrückung mit Doppelgewichtung

Country Status (6)

Country Link
US (1) US7321581B2 (de)
EP (1) EP1443694B1 (de)
CN (1) CN1155189C (de)
AT (1) ATE354894T1 (de)
DE (1) DE60218329T2 (de)
WO (1) WO2003032545A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7386057B2 (en) * 2003-02-20 2008-06-10 Nec Corporation Iterative soft interference cancellation and filtering for spectrally efficient high-speed transmission in MIMO systems
GB2403104B (en) * 2003-06-16 2006-06-14 Inmarsat Ltd Communication method and apparatus
EP1844558B1 (de) * 2005-01-05 2018-02-14 ATC Technologies, LLC Adaptive strahlformung mit mehrbenutzerdetektion und interferenzreduktion bei satellitenkommunikationssystemen und verfahren
US8223904B2 (en) * 2005-08-22 2012-07-17 Qualcomm Incorporated Multiple hypothesis decoding
US20070217429A1 (en) * 2006-03-14 2007-09-20 International Business Machines Corporation Method and apparatus for automatic power saving mode insertion when an unknown or an offensive receiver detected in a wireless access system
CN101277279B (zh) * 2007-03-30 2010-12-08 中兴通讯股份有限公司 一种多天线系统的串行干扰消除方法及其装置
US8238499B2 (en) * 2008-08-29 2012-08-07 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for low-complexity interference cancellation in communication signal processing
US8615030B2 (en) * 2009-05-04 2013-12-24 Qualcomm Incorporated Method and system for multi-user detection using two-stage processing
US8494098B2 (en) 2009-05-04 2013-07-23 Qualcomm Incorporated Method and system for inter-cell interference cancellation
US8331504B2 (en) * 2009-05-04 2012-12-11 Qualcomm Incorporated Method and system for multi-user interference cancellation
US8494029B2 (en) * 2009-05-04 2013-07-23 Qualcomm Incorporated Method and system for multi-user detection in the presence of multiple spreading factors
US8451963B2 (en) * 2009-06-09 2013-05-28 Qualcomm Incorporated Method and system for interference cancellation
CN102118180B (zh) * 2011-01-04 2014-01-01 京信通信系统（中国）有限公司 一种用于cdma通信系统的并行干扰抵消方法
CN102201835B (zh) * 2011-05-16 2016-09-07 中兴通讯股份有限公司 一种干扰消除多径选择的方法、装置以及干扰消除系统
US9042428B2 (en) * 2012-05-04 2015-05-26 Telefonaktiebolaget L M Ericsson (Publ) Efficient frequency domain (FD) MMSE equalization weight updates in a multi-stage parallel interference cancellation receiver
CN107749771B (zh) * 2017-09-18 2019-11-12 哈尔滨工程大学 一种基于似然反馈的并行干扰消除算法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2279851B (en) * 1993-07-01 1997-10-01 Roke Manor Research Threshold cancellation means for use in digital mobile radio networks
US5644592A (en) * 1995-04-24 1997-07-01 California Institute Of Technology Parallel interference cancellation for CDMA applications
JP3305639B2 (ja) 1997-12-24 2002-07-24 株式会社エヌ・ティ・ティ・ドコモ 直接拡散ｃｄｍａ伝送方式におけるｒａｋｅ受信機
US6154443A (en) 1998-08-11 2000-11-28 Industrial Technology Research Institute FFT-based CDMA RAKE receiver system and method
DE60017219T2 (de) 1999-05-24 2005-12-15 Texas Instruments Inc., Dallas Spreizspektrumsystem mit Interferenzunterdrückung
KR100343773B1 (ko) * 1999-06-28 2002-07-19 한국전자통신연구원 코드분할다중접속시스템의 부분 병렬 간섭잡음 제거장치 및 방법
FI20000158A0 (fi) 2000-01-27 2000-01-27 Nokia Networks Oy Menetelmä ja vastaanotin kommunikaatiojärjestelmässä
CN1138369C (zh) 2000-12-06 2004-02-11 华为技术有限公司 一种码分多址系统的干扰抑制方法
US6931052B2 (en) * 2001-11-16 2005-08-16 Nortel Networks Limited Symbol-directed weighting in parallel interference cancellation

Also Published As

Publication number Publication date
US7321581B2 (en) 2008-01-22
CN1155189C (zh) 2004-06-23
WO2003032545A1 (fr) 2003-04-17
EP1443694A4 (de) 2005-03-23
EP1443694B1 (de) 2007-02-21
DE60218329T2 (de) 2007-11-15
ATE354894T1 (de) 2007-03-15
EP1443694A1 (de) 2004-08-04
US20040246927A1 (en) 2004-12-09
CN1411189A (zh) 2003-04-16

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