DE60224071D1 - Finger mit gemischten Gewichtungen und seine Anwendung für eine Demodulationsvorrichtung und Verfahren - Google Patents

Finger mit gemischten Gewichtungen und seine Anwendung für eine Demodulationsvorrichtung und Verfahren

Info

Publication number
DE60224071D1
DE60224071D1 DE60224071T DE60224071T DE60224071D1 DE 60224071 D1 DE60224071 D1 DE 60224071D1 DE 60224071 T DE60224071 T DE 60224071T DE 60224071 T DE60224071 T DE 60224071T DE 60224071 D1 DE60224071 D1 DE 60224071D1
Authority
DE
Germany
Prior art keywords
finger
present
signals
application
antenna system
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.)
Expired - Lifetime
Application number
DE60224071T
Other languages
English (en)
Other versions
DE60224071T2 (de
Inventor
Heung-Jae Im
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.)
Industry-University Cooperation Foundation Han Kr
Sas Technologies Co Ltd Seoul/soul Kr
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE60224071D1 publication Critical patent/DE60224071D1/de
Application granted granted Critical
Publication of DE60224071T2 publication Critical patent/DE60224071T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • 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
    • 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
    • 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)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE2002624071 2001-10-18 2002-10-18 Finger mit gemischten Gewichtungen und seine Anwendung für eine Demodulationsvorrichtung und Verfahren Expired - Lifetime DE60224071T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR2001064498 2001-10-18
KR1020010064498A KR20030033192A (ko) 2001-10-18 2001-10-18 스마트 안테나 시스템에서 심볼레이트와 칩레이트를혼용하여 웨이팅하는 핑거와, 그를 이용한 복조 장치 및방법
PCT/KR2002/001945 WO2003041291A1 (en) 2001-10-18 2002-10-18 Finger using mixed weighting, and its application for demodulation apparatus and method

Publications (2)

Publication Number Publication Date
DE60224071D1 true DE60224071D1 (de) 2008-01-24
DE60224071T2 DE60224071T2 (de) 2008-12-04

Family

ID=19715247

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2002624071 Expired - Lifetime DE60224071T2 (de) 2001-10-18 2002-10-18 Finger mit gemischten Gewichtungen und seine Anwendung für eine Demodulationsvorrichtung und Verfahren

Country Status (8)

Country Link
US (1) US7522654B2 (de)
EP (1) EP1436905B1 (de)
JP (1) JP4188242B2 (de)
KR (2) KR20030033192A (de)
CN (1) CN100361406C (de)
AT (1) ATE381156T1 (de)
DE (1) DE60224071T2 (de)
WO (1) WO2003041291A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020074601A (ko) * 2001-03-20 2002-10-04 (주)한텔 안테나 어레이를 구비한 부호분할다중접속방식 기지국수신시스템의 수신 신호 복 방법 및 장치
KR20030030590A (ko) * 2001-10-11 2003-04-18 주식회사 세스텍 스마트 안테나 시스템에서 심볼 레이트로 웨이팅하는핑거와, 그를 이용한 복조 장치 및 방법
KR20030031385A (ko) * 2001-10-15 2003-04-21 주식회사 세스텍 스마트 안테나 시스템에서 칩 레이트로 웨이팅하는핑거와, 그를 이용한 복조 장치 및 방법
US7099623B2 (en) * 2002-12-20 2006-08-29 Qualcomm Incorporated Managing searcher and tracker resources in a wireless communication device
US7630427B2 (en) * 2005-09-29 2009-12-08 Qualcomm Incorporated Systems, methods, and apparatus for establishing finger lock state
US7872962B1 (en) * 2005-10-18 2011-01-18 Marvell International Ltd. System and method for producing weighted signals in a diversity communication system
US8259852B2 (en) * 2006-07-19 2012-09-04 Broadcom Corporation Method and system for satellite communication
US7834807B2 (en) 2007-05-21 2010-11-16 Spatial Digital Systems, Inc. Retro-directive ground-terminal antenna for communication with geostationary satellites in slightly inclined orbits
CN101312446B (zh) * 2008-07-07 2010-10-20 苏州中科半导体集成技术研发中心有限公司 基于加权导频的相位跟踪补偿方法
WO2021024559A1 (ja) * 2019-08-07 2021-02-11 ソニー株式会社 通信装置及び通信方法
US11445405B1 (en) 2021-06-17 2022-09-13 Sprint Spectrum L.P. Method and system for concurrently transmitting signals

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3526196B2 (ja) * 1997-01-07 2004-05-10 株式会社東芝 アダプティブアンテナ
US6144649A (en) * 1997-02-27 2000-11-07 Motorola, Inc. Method and apparatus for acquiring a pilot signal in a CDMA 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
KR100239177B1 (ko) * 1997-08-30 2000-01-15 윤종용 씨디엠에이 이동통신시스템에서 파일럿 신호를 이용한 스마트안테나 수신장치 및 방법
ID25859A (id) * 1997-09-15 2000-11-09 Adaptive Telecom Inc Metode radio rung-waktu praktis untuk peningkatan kapasitas komunikasi cdma
JPH11266180A (ja) * 1998-03-18 1999-09-28 Fujitsu Ltd 無線基地局のアレーアンテナシステム
US6201827B1 (en) * 1998-09-09 2001-03-13 Qualcomm Incorporated System and method for probability based lock detection
JP3458841B2 (ja) 1998-11-19 2003-10-20 三菱電機株式会社 移動通信システムに適用される受信装置および復調器
US6130923A (en) * 1998-12-11 2000-10-10 Qualcomm Incorporated Lock detection for multipath wireless receiver
JP3747395B2 (ja) * 1999-03-15 2006-02-22 富士通株式会社 無線通信装置
JP3322240B2 (ja) 1999-05-10 2002-09-09 日本電気株式会社 Ｃｄｍａ受信機
US6594318B1 (en) * 1999-12-02 2003-07-15 Qualcomm Incorporated Method and apparatus for computing soft decision input metrics to a turbo decoder
KR100354337B1 (ko) 1999-12-04 2002-09-28 한국과학기술원 대역 확산 통신 방식에서의 확산 변조 방식을 이용한송수신방식 및 송수신장치
WO2001067627A1 (fr) 2000-03-06 2001-09-13 Fujitsu Limited Recepteur amcr et detecteur d'un tel recepteur
WO2002032017A1 (en) * 2000-10-11 2002-04-18 Samsung Electronics Co., Ltd. Apparatus and method for controlling transmit antenna array for physical downlink shared channel in a mobile communication system

Also Published As

Publication number Publication date
ATE381156T1 (de) 2007-12-15
EP1436905A4 (de) 2005-07-27
US7522654B2 (en) 2009-04-21
DE60224071T2 (de) 2008-12-04
KR20050037475A (ko) 2005-04-22
EP1436905B1 (de) 2007-12-12
KR20030033192A (ko) 2003-05-01
CN100361406C (zh) 2008-01-09
JP2005509354A (ja) 2005-04-07
US20040184515A1 (en) 2004-09-23
WO2003041291A1 (en) 2003-05-15
KR100958596B1 (ko) 2010-05-18
EP1436905A1 (de) 2004-07-14
JP4188242B2 (ja) 2008-11-26
CN1565090A (zh) 2005-01-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HAN, KR

Owner name: SAS TECHNOLOGIES CO. LTD., SEOUL/SOUL, KR