TW200706024A - Apparatus for path selection and signal processing in wireless communications system - Google Patents

Apparatus for path selection and signal processing in wireless communications system

Info

Publication number
TW200706024A
TW200706024A TW094142408A TW94142408A TW200706024A TW 200706024 A TW200706024 A TW 200706024A TW 094142408 A TW094142408 A TW 094142408A TW 94142408 A TW94142408 A TW 94142408A TW 200706024 A TW200706024 A TW 200706024A
Authority
TW
Taiwan
Prior art keywords
path
parameters
communications system
signal processing
wireless communications
Prior art date
Application number
TW094142408A
Other languages
English (en)
Other versions
TWI297996B (en
Inventor
Yu-Shu Chiu
Hui-Ming Wang
Kao-Yueh Kuo
Jung-Yu Yen
Original Assignee
Ind Tech Res Inst
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 Ind Tech Res Inst filed Critical Ind Tech Res Inst
Publication of TW200706024A publication Critical patent/TW200706024A/zh
Application granted granted Critical
Publication of TWI297996B publication Critical patent/TWI297996B/zh

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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
TW094142408A 2005-07-22 2005-12-02 Apparatus for path selection and signal processing in wireless communications system TWI297996B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/188,046 US20070019585A1 (en) 2005-07-22 2005-07-22 Apparatus for path selection and signal processing in wireless communications system

Publications (2)

Publication Number Publication Date
TW200706024A true TW200706024A (en) 2007-02-01
TWI297996B TWI297996B (en) 2008-06-11

Family

ID=36889151

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094142408A TWI297996B (en) 2005-07-22 2005-12-02 Apparatus for path selection and signal processing in wireless communications system

Country Status (4)

Country Link
US (1) US20070019585A1 (zh)
EP (1) EP1746739A3 (zh)
CN (1) CN1901389A (zh)
TW (1) TWI297996B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7693241B2 (en) * 2005-10-31 2010-04-06 Qualcomm Incorporated Rake receiver finger assignment based on signal path concentration
US9385934B2 (en) * 2014-04-08 2016-07-05 International Business Machines Corporation Dynamic network monitoring
EP3255805B1 (en) 2016-06-08 2020-09-02 Nxp B.V. Signal processing system and method
KR102588642B1 (ko) * 2017-02-14 2023-10-11 한국전자통신연구원 스텝핑 스톤 검출 장치 및 방법

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US5745583A (en) * 1994-04-04 1998-04-28 Honda Giken Kogyo Kabushiki Kaisha Audio playback system
US5642377A (en) * 1995-07-25 1997-06-24 Nokia Mobile Phones, Ltd. Serial search acquisition system with adaptive threshold and optimal decision for spread spectrum systems
US5915221A (en) * 1995-08-08 1999-06-22 Telefonaktiebolaget Lm Ericsson Neighbor cell list creation and verification in a telecommunications system
US5854981A (en) * 1995-08-08 1998-12-29 Telefonaktiebolaget L M Ericsson Adaptive neighbor cell list
US5754583A (en) * 1996-05-06 1998-05-19 Motorola, Inc. Communication device and method for determining finger lock status in a radio receiver
JP2853705B2 (ja) * 1997-05-07 1999-02-03 日本電気株式会社 スペクトラム拡散通信受信機
JP3466422B2 (ja) * 1997-05-28 2003-11-10 株式会社ケンウッド 受信装置
US6269075B1 (en) * 1998-01-26 2001-07-31 Nokia Mobile Phones Limited Finger assignment in a CDMA rake receiver
US6731622B1 (en) * 1998-05-01 2004-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Multipath propagation delay determining means using periodically inserted pilot symbols
US6229842B1 (en) * 1998-07-16 2001-05-08 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive path selection threshold setting for DS-CDMA receivers
JP3031354B1 (ja) * 1998-09-30 2000-04-10 日本電気株式会社 Ｃｄｍａ受信装置及びそのマルチパスのフィンガ割り当て方法並びにその制御プログラムを記録した記録媒体
US6560273B1 (en) * 1998-10-07 2003-05-06 Ericsson Inc. Delay searcher and delay trackers interaction for new delays assignment to rake fingers
JP2000252871A (ja) * 1999-03-01 2000-09-14 Sony Corp 受信方法及び受信装置
US6785554B1 (en) * 1999-09-15 2004-08-31 Qualcomm Incorporated Modified finger assignment algorithm for high data rate calls
JP3279297B2 (ja) * 1999-09-24 2002-04-30 日本電気株式会社 Ｃｄｍａ移動通信受信方式におけるサーチ方法および受信装置
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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
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US6674790B1 (en) * 2002-01-24 2004-01-06 Meshnetworks, Inc. System and method employing concatenated spreading sequences to provide data modulated spread signals having increased data rates with extended multi-path delay spread
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US6873826B2 (en) * 2002-08-06 2005-03-29 Motorola, Inc. Method and mobile station for reporting multi-path signals based on minimum separation
US20040066841A1 (en) * 2002-09-23 2004-04-08 Elias Jonsson Systems, methods of operating, and computer program products for selecting delays for a rake receiver based on signal to interference ratios and/or powers
TW200520407A (en) * 2003-03-13 2005-06-16 Interdigital Tech Corp Wireless communication method and system for assigning multi-paths to Rake receiver fingers
KR100547737B1 (ko) * 2003-06-10 2006-01-31 삼성전자주식회사 직접시퀀스 부호분할다중접속 이동통신시스템에서 레이크수신장치 및 방법
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US7460583B2 (en) * 2003-12-15 2008-12-02 Telefonaktiebolaget Lm Ericsson (Publ) Method for path searching and verification
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Also Published As

Publication number Publication date
CN1901389A (zh) 2007-01-24
EP1746739A2 (en) 2007-01-24
US20070019585A1 (en) 2007-01-25
TWI297996B (en) 2008-06-11
EP1746739A3 (en) 2007-02-21

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