JP5501973B2 - チャネル品質情報の報告 - Google Patents

チャネル品質情報の報告 Download PDF

Info

Publication number
JP5501973B2
JP5501973B2 JP2010530376A JP2010530376A JP5501973B2 JP 5501973 B2 JP5501973 B2 JP 5501973B2 JP 2010530376 A JP2010530376 A JP 2010530376A JP 2010530376 A JP2010530376 A JP 2010530376A JP 5501973 B2 JP5501973 B2 JP 5501973B2
Authority
JP
Japan
Prior art keywords
frequency
channel quality
frequency intervals
intervals
interval
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 - Fee Related
Application number
JP2010530376A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011501589A (ja
JP2011501589A5 (https=
Inventor
カーロ・ルスチ
タリク・タベット
Original Assignee
エヌビディア・テクノロジー・ユーケー・リミテッド
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 エヌビディア・テクノロジー・ユーケー・リミテッド filed Critical エヌビディア・テクノロジー・ユーケー・リミテッド
Publication of JP2011501589A publication Critical patent/JP2011501589A/ja
Publication of JP2011501589A5 publication Critical patent/JP2011501589A5/ja
Application granted granted Critical
Publication of JP5501973B2 publication Critical patent/JP5501973B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • 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
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/0013—Rate matching, e.g. puncturing or repetition of code symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2010530376A 2007-10-23 2008-09-18 チャネル品質情報の報告 Expired - Fee Related JP5501973B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0720723.6 2007-10-23
GBGB0720723.6A GB0720723D0 (en) 2007-10-23 2007-10-23 Reporting channel quality information
GB0721188.1 2007-10-29
GB0721188.1A GB2454023B (en) 2007-10-23 2007-10-29 Reporting channel quality information
PCT/EP2008/062460 WO2009053181A1 (en) 2007-10-23 2008-09-18 Reporting channel quality information

Publications (3)

Publication Number Publication Date
JP2011501589A JP2011501589A (ja) 2011-01-06
JP2011501589A5 JP2011501589A5 (https=) 2011-12-15
JP5501973B2 true JP5501973B2 (ja) 2014-05-28

Family

ID=38829749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010530376A Expired - Fee Related JP5501973B2 (ja) 2007-10-23 2008-09-18 チャネル品質情報の報告

Country Status (10)

Country Link
US (1) US8767668B2 (https=)
EP (2) EP2213031B1 (https=)
JP (1) JP5501973B2 (https=)
KR (1) KR101234838B1 (https=)
CN (1) CN101919192B (https=)
AT (1) ATE548815T1 (https=)
BR (1) BRPI0818682A2 (https=)
GB (2) GB0720723D0 (https=)
TW (1) TWI521914B (https=)
WO (1) WO2009053181A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8782482B2 (en) 2009-07-14 2014-07-15 Intel Corporation Method and system to improve link budget of a wireless system
WO2011093753A1 (en) * 2010-01-27 2011-08-04 Telefonaktiebolaget L M Ericsson (Publ) Adaptive cqi sub band
CN102624501B (zh) * 2011-01-31 2016-11-09 南京中兴新软件有限责任公司 一种发送信道质量指示的方法和装置
CN102684851A (zh) * 2011-03-11 2012-09-19 中兴通讯股份有限公司 信道信息反馈方法及装置
CN103918193B (zh) * 2011-07-13 2016-11-09 华为技术有限公司 用于无线通信系统中的发射方法
KR101284828B1 (ko) * 2011-12-07 2013-07-10 주식회사 케이티 사용자 채널 상태에 따른 반-지속 스케줄링 방법 및 그 방법을 수행하는 기지국 장치
ES2650841T3 (es) * 2012-05-18 2018-01-22 Telefónica S.A. Un método y un sistema para la notificación de CSI en redes de LTE de acuerdo con la movilidad del equipo de usuario
US9503924B2 (en) * 2013-01-18 2016-11-22 Qualcomm Incorporated Interpolation-based channel state information (CSI) enhancements in long-term evolution (LTE)
US20150092825A1 (en) * 2013-09-27 2015-04-02 Qualcomm Incorporated Self-test using internal feedback for transmit signal quality estimation
US9722758B2 (en) * 2015-05-20 2017-08-01 Hong Kong Applied Science and Technology Research Institute Company Limited Channel-quality estimation for a wireless channel

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7126996B2 (en) * 2001-12-28 2006-10-24 Motorola, Inc. Adaptive transmission method
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
KR100566274B1 (ko) * 2003-11-20 2006-03-30 삼성전자주식회사 직교주파수분할다중 시스템에서 부반송파 할당 장치 및방법
EP1690360A1 (en) * 2003-12-03 2006-08-16 Nokia Corporation Exploiting selection diversity in communications systems with non-orthonormal matrix and vector modulation
KR20050081528A (ko) * 2004-02-14 2005-08-19 삼성전자주식회사 다중반송파 통신시스템을 위한 채널 상태정보 피드백 방법
KR100946923B1 (ko) * 2004-03-12 2010-03-09 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서 채널 품질 정보의 송수신 장치 및 방법, 그리고 그에 따른 시스템
DE602004006624T2 (de) * 2004-09-13 2008-01-31 Alcatel Lucent Abschätzung der Übertragungsqualität in einem Funknetz
US8229448B2 (en) * 2005-08-01 2012-07-24 Samsung Electronics Co., Ltd. Apparatus and method for adaptive channel quality feedback in a multicarrier wireless network
KR20070015996A (ko) * 2005-08-02 2007-02-07 삼성전자주식회사 광대역 무선 접속 통신 시스템에서 채널 품질 정보 수신장치 및 방법
JP4703651B2 (ja) 2005-08-04 2011-06-15 パナソニック株式会社 移動局装置、基地局装置、及び通信方法
KR20070027844A (ko) * 2005-08-29 2007-03-12 삼성전자주식회사 무선통신 시스템에서 채널품질 정보를 전송하기 위한 방법및 장치
US8054898B2 (en) * 2005-10-12 2011-11-08 Nortel Networks Limited Multi-user MIMO systems and methods
KR101002897B1 (ko) * 2006-02-15 2010-12-21 한국과학기술원 이동 통신 시스템에서 채널 할당 시스템 및 방법
US8014455B2 (en) * 2006-03-27 2011-09-06 Qualcomm Incorporated Feedback of differentially encoded channel state information for multiple-input multiple-output (MIMO) and subband scheduling in a wireless communication system
JP4904994B2 (ja) * 2006-08-25 2012-03-28 富士通東芝モバイルコミュニケーションズ株式会社 移動無線端末装置
US8611259B2 (en) * 2006-09-08 2013-12-17 Samsung Electronics Co., Ltd. Method and system for providing channel state information feedback in a wireless communication system

Also Published As

Publication number Publication date
CN101919192A (zh) 2010-12-15
JP2011501589A (ja) 2011-01-06
EP2259469B1 (en) 2012-05-23
EP2213031A1 (en) 2010-08-04
WO2009053181A4 (en) 2009-07-23
EP2213031B1 (en) 2012-03-07
US8767668B2 (en) 2014-07-01
KR101234838B1 (ko) 2013-02-20
EP2259469A1 (en) 2010-12-08
US20100254469A1 (en) 2010-10-07
BRPI0818682A2 (pt) 2015-04-14
KR20100082357A (ko) 2010-07-16
WO2009053181A1 (en) 2009-04-30
CN101919192B (zh) 2015-01-28
ATE548815T1 (de) 2012-03-15
TW200922191A (en) 2009-05-16
GB2454023B (en) 2012-12-26
GB0720723D0 (en) 2007-12-05
TWI521914B (zh) 2016-02-11
GB2454023A (en) 2009-04-29
GB0721188D0 (en) 2007-12-05

Similar Documents

Publication Publication Date Title
US11522650B2 (en) Methods and apparatus for multi-carrier communication systems with adaptive transmission and feedback
JP5501973B2 (ja) チャネル品質情報の報告
US8150435B2 (en) Reporting channel quality information
EP1750399B1 (en) Channel quality indicator for time, frequency and spatial channel in terrestrial radio access network
EP3713116B1 (en) Apparatuses and methods to calculate a channel quality indicator
JP2010536288A (ja) 近接したｃｑｉの報告

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110907

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110907

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20111025

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20130215

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130226

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20130502

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20130502

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130523

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130827

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20131107

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20140210

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20140312

R150 Certificate of patent or registration of utility model

Ref document number: 5501973

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees