JP2008005506A - チャネル状態情報を制御および転送するための方法、チャネル状態情報を制御するためのデバイス、電気通信デバイス、コンピュータプログラム、及び信号 - Google Patents

チャネル状態情報を制御および転送するための方法、チャネル状態情報を制御するためのデバイス、電気通信デバイス、コンピュータプログラム、及び信号 Download PDF

Info

Publication number
JP2008005506A
JP2008005506A JP2007164263A JP2007164263A JP2008005506A JP 2008005506 A JP2008005506 A JP 2008005506A JP 2007164263 A JP2007164263 A JP 2007164263A JP 2007164263 A JP2007164263 A JP 2007164263A JP 2008005506 A JP2008005506 A JP 2008005506A
Authority
JP
Japan
Prior art keywords
telecommunication device
channel state
state information
telecommunication
quality
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.)
Pending
Application number
JP2007164263A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008005506A5 (https=
Inventor
Yoshitaka Hara
原　嘉孝
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 Information Technology Corp
Mitsubishi Electric R&D Centre Europe BV Netherlands
Original Assignee
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 Information Technology Corp, Mitsubishi Electric Information Technology Center Europe BV Nederlands filed Critical Mitsubishi Electric Information Technology Corp
Publication of JP2008005506A publication Critical patent/JP2008005506A/ja
Publication of JP2008005506A5 publication Critical patent/JP2008005506A5/ja
Pending legal-status Critical Current

Links

Images

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)
JP2007164263A 2006-06-23 2007-06-21 チャネル状態情報を制御および転送するための方法、チャネル状態情報を制御するためのデバイス、電気通信デバイス、コンピュータプログラム、及び信号 Pending JP2008005506A (ja)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2011073086A Division JP2011188499A (ja) 2006-06-23 2011-03-29 チャネル状態情報を制御するための方法

Publications (2)

Publication Number Publication Date
JP2008005506A true JP2008005506A (ja) 2008-01-10
JP2008005506A5 JP2008005506A5 (https=) 2011-05-12

Family

ID=36782272

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2007164263A Pending JP2008005506A (ja) 2006-06-23 2007-06-21 チャネル状態情報を制御および転送するための方法、チャネル状態情報を制御するためのデバイス、電気通信デバイス、コンピュータプログラム、及び信号
JP2011073086A Withdrawn JP2011188499A (ja) 2006-06-23 2011-03-29 チャネル状態情報を制御するための方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2011073086A Withdrawn JP2011188499A (ja) 2006-06-23 2011-03-29 チャネル状態情報を制御するための方法

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=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011520314A (ja) * 2008-04-07 2011-07-14 中国移▲動▼通信集▲団▼公司 アップリンク電力制御方法及び装置

Families Citing this family (3)

* 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
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050143084A1 (en) * 2003-12-29 2005-06-30 Jung-Fu Cheng Network controlled channel information reporting
JP2009513061A (ja) * 2005-10-19 2009-03-26 テレフオンアクチーボラゲット エル エム エリクソン（パブル） Ｍｉｍｏシステムのための、ネットワーク制御型フィードバック

Family Cites Families (23)

* 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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050143084A1 (en) * 2003-12-29 2005-06-30 Jung-Fu Cheng Network controlled channel information reporting
JP2009513061A (ja) * 2005-10-19 2009-03-26 テレフオンアクチーボラゲット エル エム エリクソン（パブル） Ｍｉｍｏシステムのための、ネットワーク制御型フィードバック

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011520314A (ja) * 2008-04-07 2011-07-14 中国移▲動▼通信集▲団▼公司 アップリンク電力制御方法及び装置

Also Published As

Publication number Publication date
EP1871023B1 (en) 2008-12-17
US20100279699A1 (en) 2010-11-04
DE602006004328D1 (de) 2009-01-29
JP2011188499A (ja) 2011-09-22
EP1871023A1 (en) 2007-12-26
ATE418193T1 (de) 2009-01-15
US20070297576A1 (en) 2007-12-27

Similar Documents

Publication Publication Date Title
JP4337507B2 (ja) 無線通信システム、並びに無線通信装置及び無線通信方法、並びにコンピュータ・プログラム
KR101408938B1 (ko) 다중 입출력 무선통신 시스템에서 일반화된 아이겐 분석을이용한 빔포밍 장치 및 방법
US7330701B2 (en) Low complexity beamformers for multiple transmit and receive antennas
JP5134094B2 (ja) セル間干渉低減方法
US8594161B2 (en) Method and system for beamforming in a multiple user multiple input multiple output (MIMO) communication system using a codebook
CN101057471B (zh) 用于闭环数据传输的方法和装置
JP4445554B2 (ja) 無線通信システムおよび無線通信方法
JP2001505723A (ja) 空間サブチャネルを用いた大容量無線通信
JP2010537595A (ja) 無線通信システム及び無線通信方法
CN101675601B (zh) 一种用于在多输入多输出环境中通信的方法
US20100322101A1 (en) Method and device for reporting, through a wireless network, a channel state information between a first telecommunication device and a second telecommunication device
JPWO2013039248A1 (ja) 無線通信方法及び基地局装置
CN102356566B (zh) 在使用预编码的多用户网络中的通信方法及其设备
CN101675600B (zh) 用于在多用户多输入多输出系统中提供预编码信息的方法
JP2011188499A (ja) チャネル状態情報を制御するための方法
JP5507001B2 (ja) 変換装置および方法
CN102571172B (zh) 在mimo无线通信系统中进行用户调度的方法和设备
Pascual-Iserte et al. An approach to optimum joint beamforming design in a MIMO-OFDM multiuser system
WO2007036139A1 (fr) Pluralite de procedes de multiplexage de canaux d’antennes
JP5049587B2 (ja) 干渉成分に関連する情報を報告する方法、装置、及び信号、信号の転送を制御する方法及び装置、並びにコンピュータプログラム
CN102377533B (zh) 无线通信系统中的用户设备和方法
CN102006146A (zh) Mu-mimo系统下行链路的用户调度方法
CN117322040A (zh) Csi的上报方法、预编码矩阵的确定方法、装置及设备
JP2007151105A (ja) 信号の転送を制御するための方法およびデバイス、ならびにコンピュータプログラム
CN101595762A (zh) Mimo网状网络

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20100520

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110329

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20110330

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20120426

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120508

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20120723

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20120726

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20120823

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20120828

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20120920

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20120925

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20121102

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20130416