AU2002223382A1 - Method for improving channel estimation accuracy of wireless communication system - Google Patents

Method for improving channel estimation accuracy of wireless communication system

Info

Publication number
AU2002223382A1
AU2002223382A1 AU2002223382A AU2338202A AU2002223382A1 AU 2002223382 A1 AU2002223382 A1 AU 2002223382A1 AU 2002223382 A AU2002223382 A AU 2002223382A AU 2338202 A AU2338202 A AU 2338202A AU 2002223382 A1 AU2002223382 A1 AU 2002223382A1
Authority
AU
Australia
Prior art keywords
wireless communication
communication system
channel estimation
estimation accuracy
improving channel
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.)
Abandoned
Application number
AU2002223382A
Inventor
Zhaohui Cai
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 AU2002223382A1 publication Critical patent/AU2002223382A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0055—ZCZ [zero correlation zone]
    • 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2002223382A 2000-10-20 2001-07-19 Method for improving channel estimation accuracy of wireless communication system Abandoned AU2002223382A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN00131920 2000-10-20
CNB001319205A CN1146163C (en) 2000-10-20 2000-10-20 Method of raising TD-CDMA system channel estimation accuracy
PCT/CN2001/001184 WO2002041549A1 (en) 2000-10-20 2001-07-19 Method for improving channel estimation accuracy of wireless communication system

Publications (1)

Publication Number Publication Date
AU2002223382A1 true AU2002223382A1 (en) 2002-05-27

Family

ID=4594856

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002223382A Abandoned AU2002223382A1 (en) 2000-10-20 2001-07-19 Method for improving channel estimation accuracy of wireless communication system

Country Status (5)

Country Link
US (1) US20040001529A1 (en)
EP (1) EP1328080A4 (en)
CN (1) CN1146163C (en)
AU (1) AU2002223382A1 (en)
WO (1) WO2002041549A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7096042B2 (en) 2003-01-21 2006-08-22 Interdigital Technology Corporation System and method for increasing cellular system capacity by the use of the same frequency and time slot for both uplink and downlink transmissions
ES2384262T3 (en) 2004-11-15 2012-07-03 Koninklijke Philips Electronics N.V. Method and apparatus for detecting the high mobility state of a mobile terminal and related device
CN1710846B (en) * 2005-07-27 2010-06-23 北京邮电大学 Customer group pilot-frequency distribution method for orthogonal FDMA system
CN100409715C (en) * 2005-08-09 2008-08-06 大唐移动通信设备有限公司 Method for reducing co-channel interference in sector interval
KR100630358B1 (en) * 2005-12-10 2006-10-02 한국전자통신연구원 Method for improving accuracy of multiple input multiple output channel measure
CN100382450C (en) * 2005-12-15 2008-04-16 中兴通讯股份有限公司 Array antenna channel estimating aftertreatment method
KR20070090800A (en) * 2006-03-03 2007-09-06 삼성전자주식회사 Apparatus and method for channel estimation in wireless communication system
CN101299620A (en) 2007-04-30 2008-11-05 华为技术有限公司 Method for determining zero correlation section length set, apparatus and mobile communication system thereof
KR100999239B1 (en) * 2007-08-14 2010-12-07 한국전자통신연구원 Method for estimating MIMO channel using Loosely synchronous codes, and apparatus using the same
CN102148792B (en) * 2011-01-25 2013-11-06 北京清深技术开发中心有限公司 Continuous pilot processing method and device for digital wireless communication system
CN102098122B (en) * 2011-01-25 2013-11-06 北京清深技术开发中心有限公司 Pilot frequency processing method and device in digital wireless communication system
CN104539563B (en) * 2014-12-26 2017-09-15 江苏中兴微通信息科技有限公司 Joint utilizes ZCZ sequences and the channel estimation methods of noise variance
CN107276949B (en) * 2016-04-08 2020-12-15 深圳光启合众科技有限公司 Signal processing method and system
CN107276925B (en) * 2016-04-08 2021-07-06 深圳光启合众科技有限公司 Channel estimation method and device
CN107276655B (en) * 2016-04-08 2020-12-15 深圳光启合众科技有限公司 Signal processing method and system
CN107276654B (en) * 2016-04-08 2021-05-25 南通海嘉智能科技有限公司 Signal processing method and system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1051354A (en) * 1996-05-30 1998-02-20 N T T Ido Tsushinmo Kk Ds-cdma transmission method
CN1049312C (en) * 1997-08-12 2000-02-09 李道本 Spread spectrum address coding technique
US6331997B1 (en) * 1998-08-04 2001-12-18 Linkair Communication, Inc. Scheme for spread spectrum multiple access coding
JP3369489B2 (en) * 1998-11-11 2003-01-20 松下電器産業株式会社 Wireless communication device and wireless communication method
CN1145281C (en) * 1999-01-29 2004-04-07 范平志 Adaptive interference-free spread-spectrum system employing binary code sequence sets with zero correlation zone properties
EP1305965A1 (en) * 2000-06-05 2003-05-02 LinkAir Communications, Inc. Methods for assigning radio resources
US20050276311A1 (en) * 2002-06-25 2005-12-15 Koninklijke Philips Electronics N.V. Mt-cdma using spreading codes with interference-free windows

Also Published As

Publication number Publication date
US20040001529A1 (en) 2004-01-01
EP1328080A1 (en) 2003-07-16
CN1146163C (en) 2004-04-14
CN1350379A (en) 2002-05-22
EP1328080A4 (en) 2007-04-04
WO2002041549A1 (en) 2002-05-23

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