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

Info

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
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
base station
state information
channel state
transmitting
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2017/002376
Other languages
English (en)
French (fr)
Other versions
WO2017155257A2 (ko
Inventor
김기준
김형태
박종현
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
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
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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 Ceased 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

ID=59789627

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/002376 Ceased 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)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018174803A1 (en) * 2017-03-24 2018-09-27 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for determining transmitter and receiver configurations for a wireless device
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
US11729646B2 (en) * 2020-12-30 2023-08-15 Qualcomm Incorporated Subband reference signal measurements
WO2025032750A1 (ja) * 2023-08-09 2025-02-13 富士通株式会社 端末、基地局、及び通信システム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9681425B2 (en) * 2012-05-11 2017-06-13 Qualcomm Incorporated Rank-specific feedback for improved MIMO support
US9204317B2 (en) * 2012-05-11 2015-12-01 Telefonaktiebolaget L M Ericsson (Publ) Methods and arrangements for CSI reporting
EP3883172A1 (en) * 2012-06-04 2021-09-22 Interdigital Patent Holdings, Inc. Communicating channel state information (csi) of multiple transmission points
US9537552B2 (en) * 2014-09-12 2017-01-03 Samsung Electronics Co., Ltd. Method and apparatus for channel state information based on antenna mapping and subsampling
US10084579B2 (en) * 2014-11-17 2018-09-25 Samsung Electronics Co., Ltd. CSI feedback for MIMO wireless communication systems with polarized active antenna array
US11044120B2 (en) * 2015-11-03 2021-06-22 Apple Inc. Antenna port multiplexing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150009928A1 (en) * 2012-03-07 2015-01-08 Lg Electronics Inc. Method for reporting channel state information in wireless communication system, and apparatus therefor
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)

* Cited by examiner, † Cited by third party
Title
HUAWEI ET AL.: "Coirection on Class B CSI Reporting in TS 36.213", R1-161040, 3GPP TSG-RAN MEETING #84, 6 February 2016 (2016-02-06), St. Julian's, Malta, XP051054344 *
HUAWEI: "Introduction of EB/FD-MIMO", R1-157917, 3GPP TSG-RAN MEETING #83, 2 December 2015 (2015-12-02), Anaheim, USA, XP051051648 *
LG ELECTRONICS: "Discussion on Periodic Feedback for CoMP", R1-123516, 3GPP TSG RAN WG1 MEETING #70, 5 August 2012 (2012-08-05), Qingdao, China, XP050661394 *

Also Published As

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

Similar Documents

Publication Publication Date Title
WO2014157940A8 (ko) 다중 셀 기반 무선 통신 시스템에서 참조 신호를 설정하는 방법 및 이를 위한 장치
WO2017155257A3 (ko) 무선 통신 시스템에서 기지국과 단말이 채널 상태 정보를 송수신하는 방법 및 이를 지원하는 장치
EP4401330A3 (en) Uplink multi-antenna transmission method in wireless communication system and apparatus therefor
PH12019501297A1 (en) Method for transmitting/receiving data in wireless communication system, and apparatus therefor
EP4255016A3 (en) Method for reporting channel state information in wireless communication system and device therefor
EP4661331A3 (en) Method and apparatus for transmitting and receiving channel state information in wireless communication system
DE602005018258D1 (de) Datenkommunikationsvorrichtung mit mehreren antennen
WO2015060680A3 (ko) 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
EP4236582A3 (en) Electronic device and method for wireless communication system, and storage medium
EP4271065A3 (en) User equipment and base station participating in radio access network update procedure
WO2016032200A3 (ko) 무선 통신 시스템에서 포지셔닝(positioning)을 수행하기 위한 방법 및 이를 위한 장치
WO2017188787A3 (ko) 무선 통신 시스템에서 기지국에 의해 수행되는 데이터 전달 방법 및 상기 방법을 이용하는 장치
WO2016064169A3 (ko) 무선 통신 시스템에서 무선 신호 송수신 방법 및 이를 위한 장치
EP4614831A3 (en) Method for transmitting and receiving signal in wireless communication system supporting unlicensed band, and devices supporting same
WO2012087046A8 (ko) 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
WO2012150842A3 (ko) 무선 통신 시스템에서 채널상태정보를 송수신하는 방법 및 장치
WO2016021993A3 (ko) 무선 통신 시스템에서 측정 수행 방법 및 이를 위한 장치
WO2017171408A3 (ko) 무선 통신 시스템에서 채널 상태 정보를 전송하는 방법 및 이를 위한 장치
WO2009154415A3 (en) Apparatus and method for transmission of sounding reference signal in uplink wireless communication systems with multiple antennas and sounding reference signal
JPWO2020031352A5 (ja) 端末、無線通信方法、基地局及びシステム
EP4622141A3 (en) Method for reporting information related to reference signal measurement, and apparatus therefor
WO2019066565A3 (ko) 서브밴드 그룹에 기초하여 csi 리포팅을 수행하는 방법 및 이를 위한 장치
WO2017192006A3 (ko) 무선 통신 시스템에서 단말에 의해 수행되는 신호 전송 방법 및 상기 방법을 이용하는 단말
WO2017196019A3 (ko) 무선 통신 시스템에서 기지국과 단말이 데이터 신호를 송수신하는 방법 및 이를 지원하는 장치
MX339438B (es) Sistemas y metodos de comunicaciones inalambricas de alta capacidad.

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17763518

Country of ref document: EP

Kind code of ref document: A2

122 Ep: pct application non-entry in european phase

Ref document number: 17763518

Country of ref document: EP

Kind code of ref document: A2