WO2011074923A3 - 다중 반송파 지원 무선 통신 시스템에서 효율적인 채널 상태 정보 전송 방법 및 장치 - Google Patents

다중 반송파 지원 무선 통신 시스템에서 효율적인 채널 상태 정보 전송 방법 및 장치 Download PDF

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Publication number
WO2011074923A3
WO2011074923A3 PCT/KR2010/009091 KR2010009091W WO2011074923A3 WO 2011074923 A3 WO2011074923 A3 WO 2011074923A3 KR 2010009091 W KR2010009091 W KR 2010009091W WO 2011074923 A3 WO2011074923 A3 WO 2011074923A3
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WO
WIPO (PCT)
Prior art keywords
status information
channel status
wireless communication
communication system
carriers
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PCT/KR2010/009091
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English (en)
French (fr)
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WO2011074923A2 (ko
Inventor
고현수
임빈철
이문일
정재훈
구자호
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엘지전자 주식회사
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US13/516,085 priority Critical patent/US8737253B2/en
Priority to EP10837919.9A priority patent/EP2515595A4/en
Priority claimed from KR1020100130125A external-priority patent/KR20110069741A/ko
Publication of WO2011074923A2 publication Critical patent/WO2011074923A2/ko
Publication of WO2011074923A3 publication Critical patent/WO2011074923A3/ko

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    • 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
    • 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
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • 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
    • 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
    • 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
    • H04L5/0092—Indication of how the channel is divided
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • 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

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

Abstract

본 발명은 무선 통신 시스템에 대한 것으로, 보다 상세하게는 다중 반송파 지원 무선 통신 시스템에서 효율적인 채널 상태 정보 전송 방법 및 장치가 개시된다. 본 발명의 일 실시예에 따른 다중 반송파를 지원하는 무선 통신 시스템에서 채널상태정보를 전송하는 방법은, 송신단으로부터 수신단으로의 N (N≥2) 개의 반송파 상으로 전송되는 신호를 상기 수신단에서 수신하는 단계; 수신된 상기 신호로부터 상기 N 개의 반송파 각각에 대한 채널상태정보를 상기 수신단에서 결정하는 단계; 및 상기 N 개의 반송파 각각에 대한 채널상태정보를 상기 수신단으로부터 상기 송신단으로의 M (1≤M≤N) 개의 반송파 상에서 전송하는 단계를 포함할 수 있고, 상기 N 개의 반송파 각각에 대한 채널상태정보는 상기 N 개의 반송파 각각에 대한 채널상태정보 보고 주기(reporting period) 및 채널상태정보 보고 주기 오프셋(offset)에 따라서 전송될 수 있다.
PCT/KR2010/009091 2009-12-17 2010-12-17 다중 반송파 지원 무선 통신 시스템에서 효율적인 채널 상태 정보 전송 방법 및 장치 WO2011074923A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/516,085 US8737253B2 (en) 2009-12-17 2010-12-17 Method and apparatus for transmitting channel status information efficiently in a multi-carrier wireless communication system
EP10837919.9A EP2515595A4 (en) 2009-12-17 2010-12-17 Method and apparatus for transmitting channel status information efficiently in a multi-carrier wireless communication system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US28721109P 2009-12-17 2009-12-17
US61/287,211 2009-12-17
KR1020100130125A KR20110069741A (ko) 2009-12-17 2010-12-17 다중 반송파 지원 무선 통신 시스템에서 효율적인 채널 상태 정보 전송 방법 및 장치
KR10-2010-0130125 2010-12-17

Publications (2)

Publication Number Publication Date
WO2011074923A2 WO2011074923A2 (ko) 2011-06-23
WO2011074923A3 true WO2011074923A3 (ko) 2011-11-17

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US (1) US8737253B2 (ko)
EP (1) EP2515595A4 (ko)
WO (1) WO2011074923A2 (ko)

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US8737253B2 (en) 2014-05-27
WO2011074923A2 (ko) 2011-06-23
EP2515595A4 (en) 2017-01-25
US20120257531A1 (en) 2012-10-11
EP2515595A2 (en) 2012-10-24

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