ATE310343T1 - Vorrichtung und verfahren zur reduzierung von durch synchronisierungskode hervorgerufener störung in cdma übertragungssystemen - Google Patents

Vorrichtung und verfahren zur reduzierung von durch synchronisierungskode hervorgerufener störung in cdma übertragungssystemen

Info

Publication number
ATE310343T1
ATE310343T1 AT00968462T AT00968462T ATE310343T1 AT E310343 T1 ATE310343 T1 AT E310343T1 AT 00968462 T AT00968462 T AT 00968462T AT 00968462 T AT00968462 T AT 00968462T AT E310343 T1 ATE310343 T1 AT E310343T1
Authority
AT
Austria
Prior art keywords
channel
synchronization code
interference
estimate
canceled
Prior art date
Application number
AT00968462T
Other languages
English (en)
Inventor
Tony Ottosson
Yi-Pin Eric Wang
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of ATE310343T1 publication Critical patent/ATE310343T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709709—Methods of preventing interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AT00968462T 1999-11-08 2000-09-28 Vorrichtung und verfahren zur reduzierung von durch synchronisierungskode hervorgerufener störung in cdma übertragungssystemen ATE310343T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/436,788 US6665288B1 (en) 1999-11-08 1999-11-08 Method and apparatus for reducing synchronization code interference in CDMA communications systems
PCT/US2000/026676 WO2001035564A2 (en) 1999-11-08 2000-09-28 Methods and apparatus for reducing synchronization code interference in cdma communications systems

Publications (1)

Publication Number Publication Date
ATE310343T1 true ATE310343T1 (de) 2005-12-15

Family

ID=23733832

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00968462T ATE310343T1 (de) 1999-11-08 2000-09-28 Vorrichtung und verfahren zur reduzierung von durch synchronisierungskode hervorgerufener störung in cdma übertragungssystemen

Country Status (9)

Country Link
US (1) US6665288B1 (de)
EP (1) EP1302004B1 (de)
JP (1) JP2003523651A (de)
CN (1) CN1387708A (de)
AT (1) ATE310343T1 (de)
AU (1) AU7836800A (de)
DE (1) DE60024148D1 (de)
MY (1) MY126596A (de)
WO (1) WO2001035564A2 (de)

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US6894995B2 (en) * 2001-06-22 2005-05-17 Interdigital Technology Corporation Apparatus and method for performing initial cell search in wireless communication systems
US20030115061A1 (en) * 2001-09-11 2003-06-19 Broadcom Corporation MPSK equalizer
US6661809B2 (en) * 2001-11-14 2003-12-09 Motorola, Inc. Methods and communications terminals for increasing capacity CDMA communications networks
US7756085B2 (en) * 2001-11-20 2010-07-13 Qualcomm Incorporated Steps one and three W-CDMA and multi-mode searching
CN1192531C (zh) * 2001-12-21 2005-03-09 华为技术有限公司 一种宽带码分多址系统同步的实现方法
FI20020154A0 (fi) * 2002-01-28 2002-01-28 Nokia Corp Hõiri÷npoisto radiojõrjestelmõn vastaanottimessa
US7406065B2 (en) * 2002-03-14 2008-07-29 Qualcomm, Incorporated Method and apparatus for reducing inter-channel interference in a wireless communication system
US7292552B2 (en) 2002-03-14 2007-11-06 Qualcomm Incorporated Method and apparatus for reducing interference in a wireless communication system
KR100977137B1 (ko) * 2003-03-13 2010-08-20 퀄컴 인코포레이티드 무선 통신 시스템에서 채널간 간섭을 감소시키기 위한방법 및 장치
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FR2865603A1 (fr) * 2004-01-26 2005-07-29 Nec Technologies Uk Ltd Procede de rejection des interferences intracellulaires
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US8085875B2 (en) * 2004-07-16 2011-12-27 Qualcomm Incorporated Incremental pilot insertion for channnel and interference estimation
CN1929353B (zh) * 2005-09-09 2012-04-25 展讯通信（上海）有限公司 同频小区信道估计方法及装置
CN100417048C (zh) * 2005-10-18 2008-09-03 中兴通讯股份有限公司 同步码分多址系统中提高同步检测性能的方法与装置
US8781043B2 (en) * 2006-11-15 2014-07-15 Qualcomm Incorporated Successive equalization and cancellation and successive mini multi-user detection for wireless communication
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GB2463074B (en) * 2008-09-02 2010-12-22 Ip Access Ltd Communication unit and method for selective frequency synchronisation in a cellular communication network
CN101540744B (zh) * 2009-04-15 2013-03-20 华为终端有限公司 数据接收处理方法、装置与用户终端
KR101723412B1 (ko) 2009-07-17 2017-04-05 엘지전자 주식회사 하향링크 참조신호의 전송방법 및 장치
GB0916911D0 (en) * 2009-09-25 2009-11-11 Icera Inc Cancelling interference in a wireless cellular network
CN102668611A (zh) 2009-11-27 2012-09-12 高通股份有限公司 用于非正交信道集的干扰消除
US8824532B2 (en) * 2010-03-04 2014-09-02 Apple Inc. Method and apparatus to generate wireless test signals
CN103120016B (zh) * 2010-06-16 2016-06-08 爱立信(中国)通信有限公司 下行链路mimo的低等待时间信道估计
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CN102480779B (zh) * 2010-11-29 2014-10-29 开曼晨星半导体公司 一种家用基站执行周期同步的方法

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JP3311951B2 (ja) * 1996-12-20 2002-08-05 富士通株式会社 符号多重送信装置
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US6480558B1 (en) * 1999-03-17 2002-11-12 Ericsson Inc. Synchronization and cell search methods and apparatus for wireless communications
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Also Published As

Publication number Publication date
MY126596A (en) 2006-10-31
DE60024148D1 (de) 2005-12-22
WO2001035564A3 (en) 2003-02-06
WO2001035564A2 (en) 2001-05-17
US6665288B1 (en) 2003-12-16
EP1302004A2 (de) 2003-04-16
JP2003523651A (ja) 2003-08-05
CN1387708A (zh) 2002-12-25
EP1302004B1 (de) 2005-11-16
AU7836800A (en) 2001-06-06

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