AU2001292329A1 - Path selection device and path selection method - Google Patents

Path selection device and path selection method

Info

Publication number
AU2001292329A1
AU2001292329A1 AU2001292329A AU9232901A AU2001292329A1 AU 2001292329 A1 AU2001292329 A1 AU 2001292329A1 AU 2001292329 A AU2001292329 A AU 2001292329A AU 9232901 A AU9232901 A AU 9232901A AU 2001292329 A1 AU2001292329 A1 AU 2001292329A1
Authority
AU
Australia
Prior art keywords
path selection
selection device
selection method
path
selection
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
AU2001292329A
Inventor
Hitoshi Iochi
Kazuyuki Miya
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of AU2001292329A1 publication Critical patent/AU2001292329A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • 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
    • H04B1/7113—Determination of path profile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/01—Reducing phase shift
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/084—Equal gain combining, only phase adjustments
AU2001292329A 2000-10-04 2001-10-02 Path selection device and path selection method Abandoned AU2001292329A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000-304907 2000-10-04
JP2000304907A JP3421314B2 (en) 2000-10-04 2000-10-04 Path selection device and path selection method
PCT/JP2001/008664 WO2002030024A1 (en) 2000-10-04 2001-10-02 Path selection device and path selection method

Publications (1)

Publication Number Publication Date
AU2001292329A1 true AU2001292329A1 (en) 2002-04-15

Family

ID=18785870

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001292329A Abandoned AU2001292329A1 (en) 2000-10-04 2001-10-02 Path selection device and path selection method

Country Status (6)

Country Link
US (1) US20020181628A1 (en)
EP (1) EP1233560A1 (en)
JP (1) JP3421314B2 (en)
CN (1) CN1393076A (en)
AU (1) AU2001292329A1 (en)
WO (1) WO2002030024A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002352021A1 (en) * 2002-11-15 2004-06-15 Stmicroelectronics S.R.L. Memory based device and method for channel estimation in a digital communication receiver
JP3629261B2 (en) 2002-11-26 2005-03-16 松下電器産業株式会社 Wireless receiver
GB0229319D0 (en) * 2002-12-17 2003-01-22 Koninkl Philips Electronics Nv Simplified multi-diemensional rake receiver
FR2853170A1 (en) * 2003-03-31 2004-10-01 Nortel Networks Ltd Signal processing procedure for use in digital radio communication receiver, involves selecting maximum propagation paths based on criterion selected according to energy distribution data in propagation channel profile
US7580447B2 (en) * 2003-05-21 2009-08-25 Nec Corporation Reception device and radio communication system using the same
JP3748443B2 (en) * 2003-06-26 2006-02-22 松下電器産業株式会社 Wireless receiver
US7460583B2 (en) * 2003-12-15 2008-12-02 Telefonaktiebolaget Lm Ericsson (Publ) Method for path searching and verification
US7933314B2 (en) * 2006-06-22 2011-04-26 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for communication receiver despreading resource management

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1051356A (en) * 1996-03-29 1998-02-20 Matsushita Electric Ind Co Ltd Doppler frequency measurement circuit and synchronization circuit
JP3447897B2 (en) * 1996-08-20 2003-09-16 松下電器産業株式会社 CDMA wireless communication device
JP2850959B2 (en) * 1997-05-12 1999-01-27 日本電気株式会社 Spread spectrum communication synchronous acquisition demodulator
JP2856198B2 (en) * 1997-06-11 1999-02-10 日本電気株式会社 Spread spectrum receiver
US6731622B1 (en) * 1998-05-01 2004-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Multipath propagation delay determining means using periodically inserted pilot symbols
JP2982795B1 (en) * 1998-06-29 1999-11-29 日本電気株式会社 Spread spectrum signal receiving method and receiver
US6229842B1 (en) * 1998-07-16 2001-05-08 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive path selection threshold setting for DS-CDMA receivers
JP3031351B2 (en) * 1998-09-24 2000-04-10 日本電気株式会社 CDMA receiving apparatus, path detecting method used therefor, and recording medium recording control program therefor
JP3583304B2 (en) * 1998-11-18 2004-11-04 松下電器産業株式会社 Communication terminal device, base station device, and transmission antenna switching method
JP3149868B2 (en) * 1999-02-24 2001-03-26 日本電気株式会社 Receiving path search method and searcher circuit for CDMA receiver
JP3930187B2 (en) * 1999-03-03 2007-06-13 株式会社日立コミュニケーションテクノロジー Synchronization control method, receiver, base station, and mobile terminal
JP3322240B2 (en) * 1999-05-10 2002-09-09 日本電気株式会社 CDMA receiver
JP2001274724A (en) * 2000-03-24 2001-10-05 Matsushita Electric Ind Co Ltd Delay profile measurement method and delay profile measurement circuit
JP3440919B2 (en) * 2000-04-07 2003-08-25 日本電気株式会社 Multipath detection circuit

Also Published As

Publication number Publication date
JP3421314B2 (en) 2003-06-30
EP1233560A1 (en) 2002-08-21
WO2002030024A1 (en) 2002-04-11
JP2002111550A (en) 2002-04-12
CN1393076A (en) 2003-01-22
US20020181628A1 (en) 2002-12-05

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