WO2012077930A3 - 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치 - Google Patents

무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치 Download PDF

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Publication number
WO2012077930A3
WO2012077930A3 PCT/KR2011/009208 KR2011009208W WO2012077930A3 WO 2012077930 A3 WO2012077930 A3 WO 2012077930A3 KR 2011009208 W KR2011009208 W KR 2011009208W WO 2012077930 A3 WO2012077930 A3 WO 2012077930A3
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WO
WIPO (PCT)
Prior art keywords
state information
channel state
wireless communication
communication system
information item
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Application number
PCT/KR2011/009208
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English (en)
French (fr)
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WO2012077930A2 (ko
Inventor
박종현
김학성
서한별
이승민
김기준
김형태
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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 US13/992,186 priority Critical patent/US9154988B2/en
Publication of WO2012077930A2 publication Critical patent/WO2012077930A2/ko
Publication of WO2012077930A3 publication Critical patent/WO2012077930A3/ko

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    • 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
    • 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
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • 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
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof

Abstract

본 발명은 무선 통신 시스템에 관한 것이다. 구체적으로, 본 발명은 채널 상태 정보를 보고하는 방법 및 장치에 있어서, 제1 채널 상태 정보의 주기적 보고를 위한 동작을 수행하는 단계; 및 제2 채널 상태 정보의 주기적 보고를 위한 동작을 수행하되, 상기 제1 채널 상태 정보의 보고 주기는 상기 제2 채널 상태 정보의 보고 주기보다 길고, 상기 제1 채널 상태 정보에 기초하여 상기 제2 채널 상태 정보가 결정되는 단계를 포함하는 방법 및 장치에 관한 것이다.
PCT/KR2011/009208 2010-12-06 2011-11-30 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치 WO2012077930A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/992,186 US9154988B2 (en) 2010-12-06 2011-11-30 Method for reporting channel state information in wireless communication system, and device therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42029010P 2010-12-06 2010-12-06
US61/420,290 2010-12-06

Publications (2)

Publication Number Publication Date
WO2012077930A2 WO2012077930A2 (ko) 2012-06-14
WO2012077930A3 true WO2012077930A3 (ko) 2012-08-02

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PCT/KR2011/009208 WO2012077930A2 (ko) 2010-12-06 2011-11-30 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치

Country Status (2)

Country Link
US (1) US9154988B2 (ko)
WO (1) WO2012077930A2 (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9930677B2 (en) 2010-12-07 2018-03-27 Sharp Kabushiki Kaisha Prioritizing multiple channel state information (CSI) reporting with carrier aggregation
US8681627B2 (en) 2010-12-07 2014-03-25 Sharp Kabushiki Kaisha Prioritizing multiple channel state information (CSI) reporting with carrier aggregation
WO2014113992A1 (zh) 2013-01-28 2014-07-31 富士通株式会社 信道状态信息的反馈方法、信道状态信息参考信号的传输方法、用户设备以及基站
WO2015024178A1 (zh) * 2013-08-20 2015-02-26 华为技术有限公司 训练资源分配方法、装置及系统
WO2015090355A1 (en) * 2013-12-16 2015-06-25 Telefonaktiebolaget L M Ericsson (Publ) Feedback based adaptation of multicast transmission offset
CN109861730A (zh) * 2014-03-24 2019-06-07 华为技术有限公司 预编码矩阵指示的反馈方法、接收方法及装置
US10594433B2 (en) * 2015-06-05 2020-03-17 Telefonaktiebolaget Lm Ericsson (Publ) Sending a configuration message and reporting channel information on PUCCH in PCELL and in SCELL
US10104568B2 (en) * 2015-06-30 2018-10-16 Qualcomm Incorporated Periodic channel state information reporting for enhanced carrier aggregation
WO2018016922A1 (en) * 2016-07-22 2018-01-25 Samsung Electronics Co., Ltd. Method and system for system information acquisition in wireless communication system
CN108063660A (zh) * 2016-11-08 2018-05-22 索尼公司 电子设备、无线通信方法以及介质
US20190021084A1 (en) * 2017-07-12 2019-01-17 Futurewei Technologies, Inc. System And Method For Backhaul and Access In Beamformed Communications Systems

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070242770A1 (en) * 2006-03-27 2007-10-18 Byoung-Hoon Kim Feedback of channel state information for MIMO and subband scheduling in a wireless communication system
US20070254597A1 (en) * 2006-05-01 2007-11-01 Qinghua Li Aggregated channel feedback
KR20090076784A (ko) * 2008-01-08 2009-07-13 엘지전자 주식회사 주기적/비주기적 채널상태정보 송수신 방법
WO2009123549A2 (en) * 2008-03-31 2009-10-08 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangements in a telecommunications system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2467303B (en) * 2008-08-07 2012-07-11 Icera Inc Feedback in a wireless communication system
WO2011125025A1 (en) * 2010-04-05 2011-10-13 Nokia Corporation Channel state information feedback for enhanced downlink multiple input - multiple output operation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070242770A1 (en) * 2006-03-27 2007-10-18 Byoung-Hoon Kim Feedback of channel state information for MIMO and subband scheduling in a wireless communication system
US20070254597A1 (en) * 2006-05-01 2007-11-01 Qinghua Li Aggregated channel feedback
KR20090076784A (ko) * 2008-01-08 2009-07-13 엘지전자 주식회사 주기적/비주기적 채널상태정보 송수신 방법
WO2009123549A2 (en) * 2008-03-31 2009-10-08 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangements in a telecommunications system

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Publication number Publication date
US9154988B2 (en) 2015-10-06
US20130267222A1 (en) 2013-10-10
WO2012077930A2 (ko) 2012-06-14

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