HK1057294A1 - Wireless mobile station and wireless communicationsystem with the same - Google Patents

Wireless mobile station and wireless communicationsystem with the same

Info

Publication number
HK1057294A1
HK1057294A1 HK04100104A HK04100104A HK1057294A1 HK 1057294 A1 HK1057294 A1 HK 1057294A1 HK 04100104 A HK04100104 A HK 04100104A HK 04100104 A HK04100104 A HK 04100104A HK 1057294 A1 HK1057294 A1 HK 1057294A1
Authority
HK
Hong Kong
Prior art keywords
wireless
same
mobile station
communicationsystem
wireless mobile
Prior art date
Application number
HK04100104A
Other languages
English (en)
Inventor
Mariko Matsumoto
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of HK1057294A1 publication Critical patent/HK1057294A1/xx

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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • 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
    • 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
    • H04B2201/70707—Efficiency-related aspects
    • H04B2201/7071—Efficiency-related aspects with dynamic control of receiver resources

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
HK04100104A 2002-01-09 2004-01-07 Wireless mobile station and wireless communicationsystem with the same HK1057294A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002002607A JP3642483B2 (ja) 2002-01-09 2002-01-09 無線移動局及びそれを備える無線通信システム

Publications (1)

Publication Number Publication Date
HK1057294A1 true HK1057294A1 (en) 2004-03-19

Family

ID=19190765

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04100104A HK1057294A1 (en) 2002-01-09 2004-01-07 Wireless mobile station and wireless communicationsystem with the same

Country Status (7)

Country Link
US (1) US7327799B2 (ja)
EP (1) EP1328072B1 (ja)
JP (1) JP3642483B2 (ja)
KR (1) KR100521716B1 (ja)
CN (1) CN1237751C (ja)
DE (1) DE60300309T2 (ja)
HK (1) HK1057294A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040132494A1 (en) * 2003-01-03 2004-07-08 Olav Tirkkonen Communication method
US8452294B2 (en) * 2003-04-23 2013-05-28 Qualcomm Incorporated In-band ate indicator methods and apparatus
US9049722B2 (en) * 2004-04-23 2015-06-02 Qualcomm Incorporated Methods and apparatus of enhancing performance in wireless communication systems
JP4358686B2 (ja) * 2004-06-17 2009-11-04 富士通株式会社 フェージング周波数推定装置およびその推定方法
KR100608109B1 (ko) * 2004-06-28 2006-08-02 삼성전자주식회사 이동통신 시스템에서 도플러 주파수 및 단말기의 이동속도 계산 장치 및 방법
US20060023687A1 (en) * 2004-07-27 2006-02-02 Telefonaktiebolaget Lm Ericsson (Publ) Fast reliable downlink signaling to support enhanced uplink services in a communication system
JP4828949B2 (ja) * 2006-01-31 2011-11-30 富士通株式会社 速度検出装置および無線装置
US8559990B2 (en) * 2010-02-05 2013-10-15 Qualcomm Incorporated Apparatus and method for enabling uplink beamforming transit diversity channel estimation

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2797668B2 (ja) 1989-07-17 1998-09-17 日本電気株式会社 直交検波方法および直交検波器
GB2313985B (en) 1996-06-04 2000-08-09 Roke Manor Research Improvements in or relating to spread spectrum communications systems
JP3431489B2 (ja) 1998-03-05 2003-07-28 通信・放送機構 移動速度検出装置及び移動速度検出方法
JP2000078111A (ja) 1998-09-02 2000-03-14 Fujitsu Ltd Ｃｄｍａ同期検波用チャネル推定装置
JP2000083010A (ja) 1998-09-04 2000-03-21 Toshiba Corp レイク受信機および速度検出回路
JP3267264B2 (ja) 1999-02-26 2002-03-18 日本電気株式会社 スペクトラム拡散通信における移動速度検出方法及び装置
US6801565B1 (en) 1999-06-25 2004-10-05 Ericsson Inc. Multi-stage rake combining methods and apparatus
JP3322248B2 (ja) * 1999-08-13 2002-09-09 日本電気株式会社 受信レベル測定方式
JP3732364B2 (ja) 1999-08-27 2006-01-05 松下電器産業株式会社 通信端末装置及びチャネル推定方法
US6115406A (en) * 1999-09-10 2000-09-05 Interdigital Technology Corporation Transmission using an antenna array in a CDMA communication system
JP2001168777A (ja) 1999-12-06 2001-06-22 Matsushita Electric Ind Co Ltd 通信端末装置及び無線通信方法
US6608858B1 (en) * 2000-01-26 2003-08-19 Qualcomm Incorporated Multipath doppler adjusted frequency tracking loop
JP3876403B2 (ja) 2000-06-15 2007-01-31 富士通株式会社 フェージング周波数推定回路及び該回路を備えたｃｄｍａ受信装置
US7154958B2 (en) * 2000-07-05 2006-12-26 Texas Instruments Incorporated Code division multiple access wireless system with time reversed space time block transmitter diversity
KR100493152B1 (ko) * 2000-07-21 2005-06-02 삼성전자주식회사 이동 통신 시스템에서의 전송 안테나 다이버시티 방법 및이를 위한 기지국 장치 및 이동국 장치

Also Published As

Publication number Publication date
EP1328072A1 (en) 2003-07-16
US20030153350A1 (en) 2003-08-14
DE60300309D1 (de) 2005-03-17
CN1237751C (zh) 2006-01-18
KR20030060806A (ko) 2003-07-16
JP3642483B2 (ja) 2005-04-27
EP1328072B1 (en) 2005-02-09
KR100521716B1 (ko) 2005-10-14
US7327799B2 (en) 2008-02-05
CN1431792A (zh) 2003-07-23
JP2003204288A (ja) 2003-07-18
DE60300309T2 (de) 2005-06-23

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20100109