DE602006004328D1 - Verfahren und Vorrichtung zur Bestimmung von Kanalzustandsinformationen welche von einer ersten zu einer zweiten Telekommunikationsvorrichtung zu übertragen sind - Google Patents

Verfahren und Vorrichtung zur Bestimmung von Kanalzustandsinformationen welche von einer ersten zu einer zweiten Telekommunikationsvorrichtung zu übertragen sind

Info

Publication number
DE602006004328D1
DE602006004328D1 DE602006004328T DE602006004328T DE602006004328D1 DE 602006004328 D1 DE602006004328 D1 DE 602006004328D1 DE 602006004328 T DE602006004328 T DE 602006004328T DE 602006004328 T DE602006004328 T DE 602006004328T DE 602006004328 D1 DE602006004328 D1 DE 602006004328D1
Authority
DE
Germany
Prior art keywords
telecommunication device
channel state
state information
transmitted
telecommunication
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.)
Active
Application number
DE602006004328T
Other languages
German (de)
English (en)
Inventor
Yoshitaka Hara
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.)
Mitsubishi Electric Corp
Mitsubishi Electric Information Technology Corp
Mitsubishi Electric R&D Centre Europe BV Netherlands
Original Assignee
Mitsubishi Electric Corp
Mitsubishi Electric Information Technology Corp
Mitsubishi Electric Information Technology Center Europe BV Nederlands
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 Mitsubishi Electric Corp, Mitsubishi Electric Information Technology Corp, Mitsubishi Electric Information Technology Center Europe BV Nederlands filed Critical Mitsubishi Electric Corp
Publication of DE602006004328D1 publication Critical patent/DE602006004328D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • 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
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Alarm Systems (AREA)
DE602006004328T 2006-06-23 2006-06-23 Verfahren und Vorrichtung zur Bestimmung von Kanalzustandsinformationen welche von einer ersten zu einer zweiten Telekommunikationsvorrichtung zu übertragen sind Active DE602006004328D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06291044A EP1871023B1 (en) 2006-06-23 2006-06-23 Method and device for controlling channel state information transferred by a first telecommunication device to a second telecommunication device

Publications (1)

Publication Number Publication Date
DE602006004328D1 true DE602006004328D1 (de) 2009-01-29

Family

ID=36782272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006004328T Active DE602006004328D1 (de) 2006-06-23 2006-06-23 Verfahren und Vorrichtung zur Bestimmung von Kanalzustandsinformationen welche von einer ersten zu einer zweiten Telekommunikationsvorrichtung zu übertragen sind

Country Status (5)

Country Link
US (2) US20070297576A1 (https=)
EP (1) EP1871023B1 (https=)
JP (2) JP2008005506A (https=)
AT (1) ATE418193T1 (https=)
DE (1) DE602006004328D1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2165427B1 (en) * 2007-07-06 2017-02-15 Telefonaktiebolaget LM Ericsson (publ) Method and arrangements for communication of channel quality information in a telecommunications system
CN101557246B (zh) * 2008-04-07 2012-10-03 中国移动通信集团公司 一种上行功率控制方法及装置
US8867493B2 (en) 2009-02-02 2014-10-21 Qualcomm Incorporated Scheduling algorithms for cooperative beamforming based on resource quality indication
US8867380B2 (en) * 2009-02-02 2014-10-21 Qualcomm Incorporated Scheduling algorithms for cooperative beamforming

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100689398B1 (ko) * 1999-10-09 2007-03-08 삼성전자주식회사 이동통신시스템에서 폐루프 송신 안테나 다이버시티 장치 및 방법
US6473467B1 (en) * 2000-03-22 2002-10-29 Qualcomm Incorporated Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system
US6785341B2 (en) * 2001-05-11 2004-08-31 Qualcomm Incorporated Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information
US7174178B2 (en) * 2001-07-19 2007-02-06 Intel Corporation Deriving a more accurate estimate from prediction data in closed loop transmit diversity modes
US6862271B2 (en) * 2002-02-26 2005-03-01 Qualcomm Incorporated Multiple-input, multiple-output (MIMO) systems with multiple transmission modes
GB0212165D0 (en) * 2002-05-27 2002-07-03 Nokia Corp A wireless system
JP3512783B1 (ja) * 2002-10-08 2004-03-31 松下電器産業株式会社 通信端末装置及び基地局装置
US20040081131A1 (en) * 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
JP4256158B2 (ja) * 2002-12-26 2009-04-22 パナソニック株式会社 無線通信装置及び無線通信方法
KR100571806B1 (ko) * 2003-02-11 2006-04-17 삼성전자주식회사 적응적 ｏｆｄｍａ 시스템에서 궤환되는 채널 상태 정보를줄이기 위한 방법 및 이를 사용하는 적응적 ｏｆｄｍａ시스템
DE60323047D1 (de) * 2003-03-21 2008-10-02 Ericsson Telefon Ab L M Verfahren und Vorrichtung zur Verbindungsanpassung
US7599698B2 (en) * 2003-12-29 2009-10-06 Telefonaktiebolaget Lm Ericsson (Publ) Network controlled channel information reporting
US8249518B2 (en) * 2003-12-29 2012-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Network controlled feedback for MIMO systems
SE0400370D0 (sv) * 2004-02-13 2004-02-13 Ericsson Telefon Ab L M Adaptive MIMO architecture
US7310499B2 (en) * 2004-02-17 2007-12-18 Telefonktiebolaget Lm Ericsson (Publ) Method, apparatus and system for handling unreliable feedback information in a wireless network
US7782987B2 (en) * 2004-03-12 2010-08-24 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for received signal quality estimation
JP2005277570A (ja) * 2004-03-23 2005-10-06 Fujitsu Ltd 送信装置、受信装置、再送制御方法
US7564814B2 (en) * 2004-05-07 2009-07-21 Qualcomm, Incorporated Transmission mode and rate selection for a wireless communication system
US8385910B2 (en) * 2004-05-20 2013-02-26 Qualcomm Incorporated Systems and methods for testing signal processing control
US7522555B2 (en) * 2005-01-21 2009-04-21 Intel Corporation Techniques to manage channel prediction
KR101208520B1 (ko) * 2005-03-12 2012-12-05 엘지전자 주식회사 피드백 정보 통신 방법
US7492752B2 (en) * 2005-05-25 2009-02-17 Motorola, Inc. Method and apparatus for improved channel maintenance signaling
US7965789B2 (en) * 2005-08-22 2011-06-21 Qualcomm Incorporated Reverse link power control for an OFDMA system
KR100913856B1 (ko) * 2006-04-19 2009-08-26 삼성전자주식회사 다중 사용자 ｍｉｍｏ 시스템에서 채널 선택 장치 및방법과 시스템
WO2007132313A2 (en) * 2006-05-12 2007-11-22 Nokia Corporation Feedback frame structure for subspace tracking precoding

Also Published As

Publication number Publication date
EP1871023B1 (en) 2008-12-17
US20100279699A1 (en) 2010-11-04
JP2008005506A (ja) 2008-01-10
JP2011188499A (ja) 2011-09-22
EP1871023A1 (en) 2007-12-26
ATE418193T1 (de) 2009-01-15
US20070297576A1 (en) 2007-12-27

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