WO2012070889A3 - 반송파 집성 시스템에서 채널 상태 정보 전송 방법 및 장치 - Google Patents

반송파 집성 시스템에서 채널 상태 정보 전송 방법 및 장치 Download PDF

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Publication number
WO2012070889A3
WO2012070889A3 PCT/KR2011/009026 KR2011009026W WO2012070889A3 WO 2012070889 A3 WO2012070889 A3 WO 2012070889A3 KR 2011009026 W KR2011009026 W KR 2011009026W WO 2012070889 A3 WO2012070889 A3 WO 2012070889A3
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WO
WIPO (PCT)
Prior art keywords
csi
request field
serving cell
bit value
status information
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Application number
PCT/KR2011/009026
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English (en)
French (fr)
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WO2012070889A2 (ko
Inventor
서동연
김민규
양석철
안준기
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.)
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Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US13/989,376 priority Critical patent/US9544882B2/en
Priority to KR1020137012857A priority patent/KR20130113471A/ko
Publication of WO2012070889A2 publication Critical patent/WO2012070889A2/ko
Publication of WO2012070889A3 publication Critical patent/WO2012070889A3/ko

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • 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
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/04—Scheduled or contention-free access

Abstract

반송파 집성 시스템에서 단말의 채널 상태 정보 전송 방법 및 장치를 제공한다. 상기 방법은 기지국으로부터 CSI(channel status information) 요청 필드를 포함하는 상향링크 그랜트를 수신하는 단계; 상기 CSI 요청 필드의 비트값에 따라 특정 서빙 셀에 대한 CSI를 생성하는 단계; 및 상기 생성한 CSI를 제1 서빙 셀을 통해 상기 기지국으로 전송하는 단계를 포함하되, 상기 CSI 요청 필드가 1비트로 구성되고 상기 CSI 요청 필드의 비트 값이 '1'이면, 상기 제1 서빙 셀에 대한 비주기적 CSI를 전송하고, 상기 CSI 요청 필드가 2비트로 구성되고 단말 특정 검색 공간에서 디코딩되는 경우, 상기 CSI 요청 필드의 비트 값이 '01'이면 상기 제1 서빙 셀에 대한 비주기적 CSI를 전송하고, 상기 CSI 요청 필드의 비트 값이 '10'이면 상위 계층에서 설정된 제1 서빙 셀 집합에 대한 비주기적 CSI를 전송하고, 상기 CSI 요청 필드의 비트 값이 '11'이면 상위 계층에서 설정된 제2 서빙 셀에 대한 비주기적 CSI를 전송하는 것을 특징으로 한다.
PCT/KR2011/009026 2010-11-24 2011-11-24 반송파 집성 시스템에서 채널 상태 정보 전송 방법 및 장치 WO2012070889A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/989,376 US9544882B2 (en) 2010-11-24 2011-11-24 Method and apparatus for transmitting channel status information in carrier aggregation system
KR1020137012857A KR20130113471A (ko) 2010-11-24 2011-11-24 반송파 집성 시스템에서 채널 상태 정보 전송 방법 및 장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US41720510P 2010-11-24 2010-11-24
US61/417,205 2010-11-24
US42264110P 2010-12-13 2010-12-13
US61/422,641 2010-12-13

Publications (2)

Publication Number Publication Date
WO2012070889A2 WO2012070889A2 (ko) 2012-05-31
WO2012070889A3 true WO2012070889A3 (ko) 2012-07-19

Family

ID=46146321

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/009026 WO2012070889A2 (ko) 2010-11-24 2011-11-24 반송파 집성 시스템에서 채널 상태 정보 전송 방법 및 장치

Country Status (3)

Country Link
US (1) US9544882B2 (ko)
KR (1) KR20130113471A (ko)
WO (1) WO2012070889A2 (ko)

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US10090982B2 (en) 2010-09-29 2018-10-02 Qualcomm Incorporated Systems and methods for communication of channel state information
US9806848B2 (en) 2010-09-29 2017-10-31 Qualcomm Incorporated Systems, methods and apparatus for determining control field and modulation coding scheme information
US9882624B2 (en) 2010-09-29 2018-01-30 Qualcomm, Incorporated Systems and methods for communication of channel state information
US9813135B2 (en) 2010-09-29 2017-11-07 Qualcomm, Incorporated Systems and methods for communication of channel state information
US9831983B2 (en) 2010-09-29 2017-11-28 Qualcomm Incorporated Systems, methods and apparatus for determining control field and modulation coding scheme information
BR112013016157A2 (pt) * 2010-12-22 2018-07-10 Fujitsu Limited método de alocação de recursos, método de transmissão de informações de estado de canal, estação base e equipamento de usuário
CN102594528B (zh) * 2011-01-10 2017-07-07 夏普株式会社 非周期信道状态信息反馈的触发方法和设备
US10103779B2 (en) * 2011-10-07 2018-10-16 Texas Instruments Incorporated Adaptive tone power control in PLC networks
US9241327B2 (en) * 2012-01-23 2016-01-19 Intel Corporation LTE enhancements for small packet transmissions
KR102117024B1 (ko) * 2012-11-28 2020-06-01 삼성전자 주식회사 무선 통신 시스템의 통신 방법 및 장치
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WO2014109613A1 (ko) * 2013-01-14 2014-07-17 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 장치
US9876623B2 (en) * 2014-12-22 2018-01-23 Samsung Electronics Co., Ltd. Transmission of uplink control information in carrier aggregation with a large number of cells
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US20180083684A1 (en) * 2015-05-12 2018-03-22 Intel IP Corporation Carrier aggregation enhancement
WO2017039166A1 (ko) * 2015-09-01 2017-03-09 엘지전자 주식회사 채널 상태 보고 방법 및 이를 위한 장치
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Also Published As

Publication number Publication date
US9544882B2 (en) 2017-01-10
KR20130113471A (ko) 2013-10-15
US20130258986A1 (en) 2013-10-03
WO2012070889A2 (ko) 2012-05-31

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