DE60142533D1 - Radiogerät zur echtzeitlichen Antennarichtwirkung Steuerung und Gerät zum Dopplerfrequenz Ausrechnen - Google Patents

Radiogerät zur echtzeitlichen Antennarichtwirkung Steuerung und Gerät zum Dopplerfrequenz Ausrechnen

Info

Publication number
DE60142533D1
DE60142533D1 DE60142533T DE60142533T DE60142533D1 DE 60142533 D1 DE60142533 D1 DE 60142533D1 DE 60142533 T DE60142533 T DE 60142533T DE 60142533 T DE60142533 T DE 60142533T DE 60142533 D1 DE60142533 D1 DE 60142533D1
Authority
DE
Germany
Prior art keywords
real
effect control
doppler frequency
frequency calculation
antenna effect
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
DE60142533T
Other languages
English (en)
Inventor
Jun Kitakado
Yoshiharu Doi
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.)
Kyocera Corp
Original Assignee
Kyocera 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
Priority claimed from JP2000226967A external-priority patent/JP3423274B2/ja
Priority claimed from JP2000235589A external-priority patent/JP3423275B2/ja
Application filed by Kyocera Corp filed Critical Kyocera Corp
Application granted granted Critical
Publication of DE60142533D1 publication Critical patent/DE60142533D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • 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
    • 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
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • 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
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE60142533T 2000-07-27 2001-07-19 Radiogerät zur echtzeitlichen Antennarichtwirkung Steuerung und Gerät zum Dopplerfrequenz Ausrechnen Expired - Lifetime DE60142533D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000226967A JP3423274B2 (ja) 2000-07-27 2000-07-27 無線装置
JP2000235589A JP3423275B2 (ja) 2000-08-03 2000-08-03 ドップラー周波数推定回路およびドップラー周波数推定回路を用いた無線装置

Publications (1)

Publication Number Publication Date
DE60142533D1 true DE60142533D1 (de) 2010-08-19

Family

ID=26596806

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60118280T Expired - Lifetime DE60118280T2 (de) 2000-07-27 2001-07-19 Funkanlage, die zur Echtzeitveränderung der Antennenrichtwirkung fähig ist, und für die Funkanlage verwendete Dopplerfrequenzschätzschaltung
DE60142533T Expired - Lifetime DE60142533D1 (de) 2000-07-27 2001-07-19 Radiogerät zur echtzeitlichen Antennarichtwirkung Steuerung und Gerät zum Dopplerfrequenz Ausrechnen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60118280T Expired - Lifetime DE60118280T2 (de) 2000-07-27 2001-07-19 Funkanlage, die zur Echtzeitveränderung der Antennenrichtwirkung fähig ist, und für die Funkanlage verwendete Dopplerfrequenzschätzschaltung

Country Status (7)

Country Link
US (1) US6931244B2 (de)
EP (2) EP1176737B1 (de)
KR (1) KR100413156B1 (de)
CN (1) CN100375548C (de)
DE (2) DE60118280T2 (de)
HK (1) HK1044260B (de)
TW (1) TW513873B (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1315235B1 (de) * 2000-08-25 2008-05-28 Sanyo Electric Co., Ltd. Adaptive gruppenanordnung, adaptives gruppenverfahren und programm
JP3475163B2 (ja) * 2000-09-08 2003-12-08 三洋電機株式会社 無線装置
US6911954B2 (en) * 2001-07-27 2005-06-28 Shidong Li Method for constructing mobile wireless antenna systems
US7058134B2 (en) * 2001-12-17 2006-06-06 Intel Corporation System and method for multiple signal carrier time domain channel estimation
JP4007829B2 (ja) * 2002-03-08 2007-11-14 三洋電機株式会社 無線受信装置、アレイパラメータ最適値推定方法、およびアレイパラメータ最適値推定プログラム
JP3600218B2 (ja) * 2002-03-20 2004-12-15 三洋電機株式会社 無線端末装置、送信指向性制御方法および送信指向性制御プログラム
JP3895228B2 (ja) * 2002-05-07 2007-03-22 松下電器産業株式会社 無線通信装置および到来方向推定方法
JP4309110B2 (ja) * 2002-09-27 2009-08-05 パナソニック株式会社 適応アンテナ無線通信装置
JP3891427B2 (ja) * 2002-12-27 2007-03-14 富士通株式会社 適応アレーアンテナ制御装置
WO2004066523A1 (ja) * 2003-01-21 2004-08-05 Fujitsu Limited 適応制御装置
US7400609B2 (en) * 2003-01-30 2008-07-15 Agere Systems Inc. Partitioning scheme for an OFDM transceiver
US20040151146A1 (en) * 2003-01-30 2004-08-05 Hammerschmidt Joachim S. Multi-branch OFDM transceiver
JP2004248162A (ja) * 2003-02-17 2004-09-02 Kyocera Corp 基地局装置
JP2005027051A (ja) * 2003-07-02 2005-01-27 Alps Electric Co Ltd リアルタイムデータの補正方法及びブルートゥースモジュール
US20070099578A1 (en) * 2005-10-28 2007-05-03 Kathryn Adeney Pre-coded diversity forward channel transmission system for wireless communications systems supporting multiple MIMO transmission modes
US7446728B2 (en) * 2006-02-13 2008-11-04 Shidong Li Method and apparatus for constructing general wireless antenna systems
WO2007103183A2 (en) * 2006-03-01 2007-09-13 Interdigital Technology Corporation Method and apparatus for channel estimation in an orthogonal frequency division multiplexing system
JP4917956B2 (ja) * 2007-04-26 2012-04-18 京セラ株式会社 無線通信装置及び信号処理方法
WO2009041505A1 (ja) * 2007-09-25 2009-04-02 Kyocera Corporation 無線通信装置および無線通信方法
CN102981171B (zh) * 2009-06-30 2014-10-22 迈实电子(上海)有限公司 Gps卫星的载波频率检测方法和装置及gps接收机
CN101937073B (zh) * 2009-06-30 2012-11-28 凹凸电子（武汉）有限公司 Gps卫星的载波频率检测方法和装置及gps接收机
US9900185B2 (en) * 2012-09-13 2018-02-20 Nvidia Corporation Doppler spread and SNR estimation for a wireless communications receiver
JP6563345B2 (ja) * 2016-01-25 2019-08-21 京セラ株式会社 無線中継装置および無線中継方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260968A (en) * 1992-06-23 1993-11-09 The Regents Of The University Of California Method and apparatus for multiplexing communications signals through blind adaptive spatial filtering
JPH07162360A (ja) 1993-12-10 1995-06-23 Japan Radio Co Ltd フェージング変動量推定器
JP3387606B2 (ja) * 1994-02-18 2003-03-17 沖電気工業株式会社 伝搬路推定装置及び移動通信受信装置
JPH0832552A (ja) * 1994-07-20 1996-02-02 Oki Electric Ind Co Ltd 伝搬路推定装置
US6006110A (en) * 1995-02-22 1999-12-21 Cisco Technology, Inc. Wireless communication network using time-varying vector channel equalization for adaptive spatial equalization
US6101399A (en) * 1995-02-22 2000-08-08 The Board Of Trustees Of The Leland Stanford Jr. University Adaptive beam forming for transmitter operation in a wireless communication system
US5873048A (en) * 1995-07-27 1999-02-16 Lucent Technologies Inc. Locator and method for a wireless communication system
US6075991A (en) * 1996-03-08 2000-06-13 Watkins-Johnson Company Wireless base station with near-far gain compensation
US5809422A (en) * 1996-03-08 1998-09-15 Watkins Johnson Company Distributed microcellular communications system
JP3204111B2 (ja) * 1996-08-28 2001-09-04 松下電器産業株式会社 指向性制御アンテナ装置
AU4896697A (en) * 1996-10-18 1998-05-15 Watkins-Johnson Company Wireless communication network using time-varying vector channel equalization for adaptive spatial equalization
JP3432697B2 (ja) * 1997-04-02 2003-08-04 松下電器産業株式会社 適応受信ダイバーシチ装置及び適応送信ダイバーシチ装置
JPH11234190A (ja) * 1998-02-12 1999-08-27 Oki Electric Ind Co Ltd 最大ドップラー周波数観測回路、無線チャネル推定回路及び物体移動速度観測回路
JPH11298400A (ja) 1998-04-10 1999-10-29 Nec Saitama Ltd 適応アンテナの指向性制御回路及び指向性制御方法
JP3092798B2 (ja) 1998-06-30 2000-09-25 日本電気株式会社 適応送受信装置
US6590532B1 (en) 1999-06-23 2003-07-08 Japan As Represented By President Of Hokkaido University Radio device

Also Published As

Publication number Publication date
EP1575187B1 (de) 2010-07-07
DE60118280D1 (de) 2006-05-18
US20020032015A1 (en) 2002-03-14
KR100413156B1 (ko) 2003-12-31
HK1044260A1 (en) 2002-10-11
EP1575187A3 (de) 2007-03-14
EP1176737A3 (de) 2003-11-26
EP1176737B1 (de) 2006-03-29
EP1575187A2 (de) 2005-09-14
KR20020010088A (ko) 2002-02-02
CN1336776A (zh) 2002-02-20
US6931244B2 (en) 2005-08-16
HK1044260B (zh) 2008-11-21
DE60118280T2 (de) 2006-12-14
CN100375548C (zh) 2008-03-12
TW513873B (en) 2002-12-11
EP1176737A2 (de) 2002-01-30

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