WO2009096757A3 - 무선 통신 시스템에서 cqi 전송 방법 - Google Patents

무선 통신 시스템에서 cqi 전송 방법 Download PDF

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Publication number
WO2009096757A3
WO2009096757A3 PCT/KR2009/000509 KR2009000509W WO2009096757A3 WO 2009096757 A3 WO2009096757 A3 WO 2009096757A3 KR 2009000509 W KR2009000509 W KR 2009000509W WO 2009096757 A3 WO2009096757 A3 WO 2009096757A3
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WO
WIPO (PCT)
Prior art keywords
cqi
wireless communication
communication system
transmitting
uplink grant
Prior art date
Application number
PCT/KR2009/000509
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English (en)
French (fr)
Other versions
WO2009096757A2 (ko
Inventor
김학성
윤영우
이대원
김봉회
김기준
Original Assignee
엘지전자주식회사
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 엘지전자주식회사 filed Critical 엘지전자주식회사
Priority to EP09706115A priority Critical patent/EP2242303B1/en
Priority to US12/865,992 priority patent/US8509168B2/en
Priority to JP2010544242A priority patent/JP5184651B2/ja
Priority to CN2009801051506A priority patent/CN101946539B/zh
Publication of WO2009096757A2 publication Critical patent/WO2009096757A2/ko
Publication of WO2009096757A3 publication Critical patent/WO2009096757A3/ko

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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
    • H04L1/0028—Formatting
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

무선 통신 시스템에서 CQI(Channel Quality Indicator) 전송 방법을 제공한다. 상기 방법은 CQI 보고 여부를 지시하는 CQI 보고 지시자, 상기 CQI에 대한 전송 포맷을 지시하는 전송 포맷 필드 및 상기 CQI 보고에 사용되는 자원블록의 개수를 지시하는 자원 할당 필드를 포함하는 상향링크 그랜트를 하향링크 채널 상으로 수신하는 단계 및 상기 상향링크 그랜트를 이용하여, 상향링크 채널 상으로 상기 CQI를 전송하는 단계를 포함한다.
PCT/KR2009/000509 2008-02-03 2009-02-02 무선 통신 시스템에서 cqi 전송 방법 WO2009096757A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP09706115A EP2242303B1 (en) 2008-02-03 2009-02-02 Method for transmitting cqi in wireless communication system
US12/865,992 US8509168B2 (en) 2008-02-03 2009-02-02 Method for transmitting CQI in wireless communication system
JP2010544242A JP5184651B2 (ja) 2008-02-03 2009-02-02 無線通信システムにおけるｃｑｉ送信方法
CN2009801051506A CN101946539B (zh) 2008-02-03 2009-02-02 在无线通信系统中发送cqi的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2580808P 2008-02-03 2008-02-03
US61/025,808 2008-02-03

Publications (2)

Publication Number Publication Date
WO2009096757A2 WO2009096757A2 (ko) 2009-08-06
WO2009096757A3 true WO2009096757A3 (ko) 2009-11-05

Family

ID=40913440

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/000509 WO2009096757A2 (ko) 2008-02-03 2009-02-02 무선 통신 시스템에서 cqi 전송 방법

Country Status (6)

Country Link
US (1) US8509168B2 (ko)
EP (1) EP2242303B1 (ko)
JP (1) JP5184651B2 (ko)
KR (1) KR101634384B1 (ko)
CN (1) CN101946539B (ko)
WO (1) WO2009096757A2 (ko)

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Publication number Publication date
JP5184651B2 (ja) 2013-04-17
CN101946539B (zh) 2013-06-19
KR20090085004A (ko) 2009-08-06
CN101946539A (zh) 2011-01-12
WO2009096757A2 (ko) 2009-08-06
EP2242303A2 (en) 2010-10-20
US8509168B2 (en) 2013-08-13
EP2242303B1 (en) 2013-01-09
KR101634384B1 (ko) 2016-07-11
EP2242303A4 (en) 2011-05-25
JP2011510592A (ja) 2011-03-31
US20110002290A1 (en) 2011-01-06

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