WO2011162522A3 - 채널 상태 정보 전송 방법 및 장치 - Google Patents

채널 상태 정보 전송 방법 및 장치 Download PDF

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Publication number
WO2011162522A3
WO2011162522A3 PCT/KR2011/004494 KR2011004494W WO2011162522A3 WO 2011162522 A3 WO2011162522 A3 WO 2011162522A3 KR 2011004494 W KR2011004494 W KR 2011004494W WO 2011162522 A3 WO2011162522 A3 WO 2011162522A3
Authority
WO
WIPO (PCT)
Prior art keywords
channel state
state information
component carriers
downlink component
transmitting channel
Prior art date
Application number
PCT/KR2011/004494
Other languages
English (en)
French (fr)
Other versions
WO2011162522A9 (ko
WO2011162522A2 (ko
Inventor
김민규
양석철
안준기
서동연
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US13/806,010 priority Critical patent/US9826425B2/en
Priority to EP11798357.7A priority patent/EP2584825B1/en
Publication of WO2011162522A2 publication Critical patent/WO2011162522A2/ko
Publication of WO2011162522A9 publication Critical patent/WO2011162522A9/ko
Publication of WO2011162522A3 publication Critical patent/WO2011162522A3/ko

Links

Classifications

    • 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
    • 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
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path

Landscapes

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

Abstract

다중 반송파 시스템에서 단말의 채널 상태 정보 전송 방법 및 상기 방법을 이용하는 단말을 제공한다. 상기 방법은 기지국으로부터 복수의 하향링크 요소 반송파를 통해 참조 신호를 수신하는 단계; 상기 복수의 하향링크 요소 반송파 각각에 포함된 참조 신호를 이용하여 상기 복수의 하향링크 요소 반송파 각각에 대한 채널 상태를 측정하는 단계; 상기 복수의 하향링크 요소 반송파 중에서 일부 하향링크 요소 반송파에 대한 채널 상태 정보를 생성하는 단계; 및 상기 일부 하향링크 요소 반송파에 대한 채널 상태 정보 및 상기 일부 하향링크 요소 반송파를 지시하는 인덱스 중 적어도 하나를 상기 기지국으로 전송하는 단계를 포함하는 것을 특징으로 한다.
PCT/KR2011/004494 2010-06-21 2011-06-20 채널 상태 정보 전송 방법 및 장치 WO2011162522A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/806,010 US9826425B2 (en) 2010-06-21 2011-06-20 Method and apparatus for transmitting channel state information
EP11798357.7A EP2584825B1 (en) 2010-06-21 2011-06-20 Method and apparatus for transmitting channel state information

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35708210P 2010-06-21 2010-06-21
US61/357,082 2010-06-21

Publications (3)

Publication Number Publication Date
WO2011162522A2 WO2011162522A2 (ko) 2011-12-29
WO2011162522A9 WO2011162522A9 (ko) 2012-04-12
WO2011162522A3 true WO2011162522A3 (ko) 2012-05-31

Family

ID=45371934

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/004494 WO2011162522A2 (ko) 2010-06-21 2011-06-20 채널 상태 정보 전송 방법 및 장치

Country Status (3)

Country Link
US (1) US9826425B2 (ko)
EP (1) EP2584825B1 (ko)
WO (1) WO2011162522A2 (ko)

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Also Published As

Publication number Publication date
WO2011162522A9 (ko) 2012-04-12
EP2584825A2 (en) 2013-04-24
US9826425B2 (en) 2017-11-21
US20130094392A1 (en) 2013-04-18
EP2584825A4 (en) 2017-06-28
WO2011162522A2 (ko) 2011-12-29
EP2584825B1 (en) 2019-03-06

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