WO2017155257A3 - 무선 통신 시스템에서 기지국과 단말이 채널 상태 정보를 송수신하는 방법 및 이를 지원하는 장치 - Google Patents

무선 통신 시스템에서 기지국과 단말이 채널 상태 정보를 송수신하는 방법 및 이를 지원하는 장치 Download PDF

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Publication number
WO2017155257A3
WO2017155257A3 PCT/KR2017/002376 KR2017002376W WO2017155257A3 WO 2017155257 A3 WO2017155257 A3 WO 2017155257A3 KR 2017002376 W KR2017002376 W KR 2017002376W WO 2017155257 A3 WO2017155257 A3 WO 2017155257A3
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WO
WIPO (PCT)
Prior art keywords
terminal
base station
state information
channel state
transmitting
Prior art date
Application number
PCT/KR2017/002376
Other languages
English (en)
French (fr)
Other versions
WO2017155257A2 (ko
Inventor
김기준
김형태
박종현
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 US16/082,919 priority Critical patent/US10630365B2/en
Publication of WO2017155257A2 publication Critical patent/WO2017155257A2/ko
Publication of WO2017155257A3 publication Critical patent/WO2017155257A3/ko

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Classifications

    • 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
    • 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
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04B7/0452—Multi-user MIMO systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

본 발명에서는 기지국과 단말이 채널 상태 정보를 송수신하는 방법 및 이를 지원하는 장치를 개시한다. 구체적으로, 본 발명에서는 기지국이 특정 단말에게 데이터 신호를 전송하기 위한 최적의 안테나 포트 설정 (개수, 인덱스 등)을 결정하기 위한 단말의 채널 상태 정보 보고 방법을 개시하고, 특히 단말은 서로 다른 안테나 포트 설정 (개수, 인덱스 등)에 대한 채널 상태 정보를 기지국에 보고하는 방법 및 이를 지원하는 장치를 개시한다.
PCT/KR2017/002376 2016-03-07 2017-03-06 무선 통신 시스템에서 기지국과 단말이 채널 상태 정보를 송수신하는 방법 및 이를 지원하는 장치 WO2017155257A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/082,919 US10630365B2 (en) 2016-03-07 2017-03-06 Method for transmitting and receiving channel state information between base station and terminal in wireless communication system and apparatus for supporting same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662304912P 2016-03-07 2016-03-07
US62/304,912 2016-03-07

Publications (2)

Publication Number Publication Date
WO2017155257A2 WO2017155257A2 (ko) 2017-09-14
WO2017155257A3 true WO2017155257A3 (ko) 2018-09-07

Family

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Family Applications (1)

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PCT/KR2017/002376 WO2017155257A2 (ko) 2016-03-07 2017-03-06 무선 통신 시스템에서 기지국과 단말이 채널 상태 정보를 송수신하는 방법 및 이를 지원하는 장치

Country Status (2)

Country Link
US (1) US10630365B2 (ko)
WO (1) WO2017155257A2 (ko)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111417141B (zh) * 2019-01-07 2022-12-02 中国移动通信有限公司研究院 一种终端测试方法、基站模拟器及终端测试系统
CN112351478A (zh) * 2019-08-09 2021-02-09 中兴通讯股份有限公司 一种节能方法及装置
EP3780455A1 (en) * 2019-08-15 2021-02-17 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Three-component codebook based csi reporting

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US20130336214A1 (en) * 2012-06-18 2013-12-19 Samsung Electronics Co., Ltd. Aperiodic and periodic csi feedback modes for coordinated multi-point transmission
US20150009928A1 (en) * 2012-03-07 2015-01-08 Lg Electronics Inc. Method for reporting channel state information in wireless communication system, and apparatus therefor

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US9681425B2 (en) * 2012-05-11 2017-06-13 Qualcomm Incorporated Rank-specific feedback for improved MIMO support
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JP6407144B2 (ja) * 2012-06-04 2018-10-17 インターデイジタル パテント ホールディングス インコーポレイテッド 複数の送信ポイントのチャネル状態情報（ｃｓｉ）の通信
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US20130336214A1 (en) * 2012-06-18 2013-12-19 Samsung Electronics Co., Ltd. Aperiodic and periodic csi feedback modes for coordinated multi-point transmission

Non-Patent Citations (3)

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Also Published As

Publication number Publication date
US10630365B2 (en) 2020-04-21
WO2017155257A2 (ko) 2017-09-14
US20190081677A1 (en) 2019-03-14

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