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WO2013002563A3 - 채널상태정보 전송방법 및 사용자 기기, 그리고 채널상태정보 수신방법 및 기지국 - Google Patents

채널상태정보 전송방법 및 사용자 기기, 그리고 채널상태정보 수신방법 및 기지국 Download PDF

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Publication number
WO2013002563A3
WO2013002563A3 PCT/KR2012/005101 KR2012005101W WO2013002563A3 WO 2013002563 A3 WO2013002563 A3 WO 2013002563A3 KR 2012005101 W KR2012005101 W KR 2012005101W WO 2013002563 A3 WO2013002563 A3 WO 2013002563A3
Authority
WO
WIPO (PCT)
Prior art keywords
channel state
state information
base station
user equipment
antenna ports
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/KR2012/005101
Other languages
English (en)
French (fr)
Other versions
WO2013002563A2 (ko
Inventor
박한준
이승민
김형태
서한별
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 KR1020137033784A priority Critical patent/KR20140036247A/ko
Priority to EP12804153.0A priority patent/EP2728767B1/en
Priority to US14/128,467 priority patent/US9585044B2/en
Priority to CN201280032674.9A priority patent/CN103650368B/zh
Publication of WO2013002563A2 publication Critical patent/WO2013002563A2/ko
Publication of WO2013002563A3 publication Critical patent/WO2013002563A3/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • 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
    • 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) or DMT

Landscapes

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

Abstract

본 발명의 일 실시예에 따라 복수의 안테나 포트들로부터 채널상태정보 참조신호를 수신할 수 있는 사용자기기(UE)가 상기 복수의 안테나 포트들을 제어하는 적어도 하나의 기지국으로 채널상태정보를 전송하기 위한 방법이 개시되며, 상기 방법은 상기 적어도 하나의 기지국으로부터 상기 복수의 안테나 포트들 각각에 대한 전력 정보를 수신하는 단계; 상기 수신된 전력 정보 및 상기 복수의 안테나 포트들로부터 수신된 채널상태정보 참조신호들에 기반하여 상기 적어도 하나의 기지국에 대한 채널상태정보를 계산하는 단계; 및 상기 계산된 채널상태정보를 상기 적어도 하나의 기지국으로 전송하는 단계를 포함할 수 있다.
PCT/KR2012/005101 2011-06-29 2012-06-28 채널상태정보 전송방법 및 사용자 기기, 그리고 채널상태정보 수신방법 및 기지국 Ceased WO2013002563A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020137033784A KR20140036247A (ko) 2011-06-29 2012-06-28 채널상태정보 전송방법 및 사용자 기기, 그리고 채널상태정보 수신방법 및 기지국
EP12804153.0A EP2728767B1 (en) 2011-06-29 2012-06-28 Channel state information transmitting method and user equipment
US14/128,467 US9585044B2 (en) 2011-06-29 2012-06-28 Channel state information transmitting method and user equipment, and channel state information receiving method and base station
CN201280032674.9A CN103650368B (zh) 2011-06-29 2012-06-28 信道状态信息发射方法和用户设备以及信道状态信息接收方法和基站

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161502824P 2011-06-29 2011-06-29
US61/502,824 2011-06-29
US201161526671P 2011-08-23 2011-08-23
US61/526,671 2011-08-23

Publications (2)

Publication Number Publication Date
WO2013002563A2 WO2013002563A2 (ko) 2013-01-03
WO2013002563A3 true WO2013002563A3 (ko) 2013-04-04

Family

ID=47424671

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/005101 Ceased WO2013002563A2 (ko) 2011-06-29 2012-06-28 채널상태정보 전송방법 및 사용자 기기, 그리고 채널상태정보 수신방법 및 기지국

Country Status (5)

Country Link
US (1) US9585044B2 (ko)
EP (1) EP2728767B1 (ko)
KR (1) KR20140036247A (ko)
CN (1) CN103650368B (ko)
WO (1) WO2013002563A2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105191176B (zh) * 2013-04-09 2019-09-03 Lg电子株式会社 在无线接入系统中发送信道状态信息的方法和装置

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2738953A1 (en) 2011-01-07 2014-06-04 Interdigital Patent Holdings, Inc. Communicating channel state information (CSI) of multiple transmission points
US9635624B2 (en) * 2011-02-22 2017-04-25 Qualcomm Incorporated Discovery reference signal design for coordinated multipoint operations in heterogeneous networks
CN102891710B (zh) * 2011-07-20 2015-12-02 华为技术有限公司 一种获取信道状态信息的方法及装置
JP5908080B2 (ja) * 2011-08-10 2016-04-26 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 マルチサイトスケジューリングに対するアップリンクフィードバック
CN102932112B (zh) * 2011-08-11 2015-11-25 华为技术有限公司 一种多天线传输的方法及装置
JP5866448B2 (ja) 2011-08-12 2016-02-17 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 ワイヤレスネットワークにおける干渉測定
JP5976114B2 (ja) 2011-09-06 2016-08-23 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおける干渉を測定する方法及び装置
US8797966B2 (en) 2011-09-23 2014-08-05 Ofinno Technologies, Llc Channel state information transmission
US9369898B2 (en) * 2011-10-10 2016-06-14 Lg Electronics Inc. Method and device for measuring interference in a wireless communication system
CN103037519A (zh) * 2011-10-10 2013-04-10 中兴通讯股份有限公司 多接入点校准方法及装置
US8848673B2 (en) 2011-12-19 2014-09-30 Ofinno Technologies, Llc Beam information exchange between base stations
US9119209B2 (en) * 2012-03-30 2015-08-25 Samsung Electronics Co., Ltd. Apparatus and method for channel-state-information pilot design for an advanced wireless network
WO2013184613A2 (en) 2012-06-04 2013-12-12 Interdigital Patent Holdings, Inc. Communicating channel state information (csi) of multiple transmission points
KR101972945B1 (ko) 2012-09-18 2019-04-29 삼성전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 장치
CN104982063B (zh) 2013-03-01 2018-10-12 英特尔Ip公司 用于网络辅助的干扰抑制的准同位和pdsch资源元素映射信令
WO2014133589A1 (en) * 2013-03-01 2014-09-04 Intel Corporation Wireless local area network (wlan) traffic offloading
JP6208849B2 (ja) 2013-04-28 2017-10-04 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． プリコーディング行列情報フィードバック方法、受信端、および送信端
EP4546876A3 (en) 2013-05-08 2025-11-26 InterDigital Patent Holdings, Inc. Network assisted interferance cancellation and/or suppression (naics) in long term evolution (lte) systems
EP2996378B1 (en) * 2013-06-19 2019-01-30 Huawei Technologies Co., Ltd. Communication quality measurement method
JP2015185953A (ja) * 2014-03-20 2015-10-22 株式会社Ｎｔｔドコモ ビーム選択方法、基地局、およびユーザ装置
CN104467990B (zh) * 2014-11-26 2016-11-30 清华大学 一种识别无线信号的视距传播路径的方法及装置
EP3235142A1 (en) * 2014-12-18 2017-10-25 Nokia Solutions and Networks Oy Antenna beams in a wireless system
US10476649B2 (en) 2015-01-07 2019-11-12 Lg Electronics Inc. Method for reporting channel quality information in TDD type wireless communication system, and device therefor
WO2017010753A1 (ko) * 2015-07-10 2017-01-19 엘지전자(주) 무선 통신 시스템에서 채널 상태 정보를 보고하기 위한 방법 및 이를 위한 장치
WO2017008235A1 (en) * 2015-07-14 2017-01-19 Nec Corporation Method and apparatus for downlink transmission power configuration and signal detection
CN108141265B (zh) * 2015-10-12 2021-12-07 瑞典爱立信有限公司 确定无线通信网络中的信道状态测量的无线设备、网络节点及其中的方法
CN110572195B (zh) * 2016-03-25 2020-11-24 华为技术有限公司 一种天线端口的指示方法和装置
US10439663B2 (en) * 2016-04-06 2019-10-08 Qualcomm Incorporated Methods and apparatus for phase noise estimation in data symbols for millimeter wave communications
CN107302421B (zh) * 2016-04-08 2021-05-18 华为技术有限公司 一种功率配置方法及设备
US10097254B2 (en) * 2016-04-18 2018-10-09 Qualcomm Incorporated Channel state information estimation and channel information reporting
US10887143B2 (en) * 2016-05-06 2021-01-05 Samsung Electronics Co., Ltd. Method and apparatus for initial access in wireless communication systems
CN109952733B (zh) * 2016-09-30 2022-03-25 摩托罗拉移动有限责任公司 灵活的无线电资源分配
CN108632005B (zh) * 2017-03-24 2023-12-15 华为技术有限公司 一种参考信号传输方法、装置及系统
CN109194455B (zh) 2017-05-04 2019-09-13 华为技术有限公司 一种控制信息传输方法、相关装置及计算机存储介质
GB2562098B (en) 2017-05-05 2022-02-02 Samsung Electronics Co Ltd Improvements in and relating to channel state feedback in a telecommunication system
US11411625B2 (en) * 2018-06-25 2022-08-09 Qualcomm Incorporated Transmission power for partial coherent antennas
US20220085951A1 (en) * 2019-01-11 2022-03-17 Lg Electronics Inc. Method and transmission terminal for receiving feedback signal in wireless communication system
CN110521273B (zh) * 2019-07-11 2023-09-29 北京小米移动软件有限公司 非授权频谱上的信道状态指示方法、装置及存储介质
EP4089930A4 (en) * 2020-01-23 2023-01-11 Huawei Technologies Co., Ltd. Communication method and communication apparatus
EP4162617A4 (en) * 2020-06-08 2024-03-20 Nokia Technologies Oy USE OF UPLINK CHANNEL INFORMATION TO DETERMINE A DATA PROCESSING MODEL USED FOR DOWNLINK USE
EP4167613A4 (en) * 2020-06-10 2024-07-24 Sony Group Corporation COMMUNICATION DEVICE
CN115118555B (zh) * 2021-03-18 2025-07-04 华为技术有限公司 一种通信方法及装置
CN117203922A (zh) * 2021-05-10 2023-12-08 苹果公司 用于多trp csi-rs报告的cmr和imr配置增强
CN115767572A (zh) * 2021-09-01 2023-03-07 华为技术有限公司 一种通信方法及通信装置
US12395290B2 (en) * 2021-11-22 2025-08-19 Qualcomm Incorporated Techniques for indicating a synchronization signal block
US12477354B2 (en) * 2022-05-16 2025-11-18 Qualcomm Incorporated Estimating and compensating antenna array misalignment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100254471A1 (en) * 2009-04-07 2010-10-07 Hyunsoo Ko Method of transmitting power information in wireless communication system
WO2010123270A2 (en) * 2009-04-24 2010-10-28 Samsung Electronics Co., Ltd. Method and apparatus for implementing coordinated multiple point transmission
WO2011013986A2 (en) * 2009-07-30 2011-02-03 Lg Electronics Inc. Apparatus and method for transmitting channel state information in a mobile communication system
KR20110041972A (ko) * 2009-10-16 2011-04-22 엘지전자 주식회사 ＣｏＭＰ 방식에서의 피드백 정보 전송 방법과 이를 수행하는 단말 장치 및 채널상태정보 생성 방법과 이를 수행하는 기지국 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8824384B2 (en) * 2009-12-14 2014-09-02 Samsung Electronics Co., Ltd. Systems and methods for transmitting channel quality information in wireless communication systems
US20110170427A1 (en) * 2010-01-11 2011-07-14 Nokia Corporation Best Companion PMI-Based Beamforming
US8687727B2 (en) * 2010-11-05 2014-04-01 Intel Corporation Coordinated multi-point transmission using interference feedback
CN102647751B (zh) * 2011-02-17 2014-12-10 上海贝尔股份有限公司 协同多点传输中确定信道状态的方法
US8537911B2 (en) * 2011-02-21 2013-09-17 Motorola Mobility Llc Method and apparatus for reference signal processing in an orthogonal frequency division multiplexing communication system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100254471A1 (en) * 2009-04-07 2010-10-07 Hyunsoo Ko Method of transmitting power information in wireless communication system
WO2010123270A2 (en) * 2009-04-24 2010-10-28 Samsung Electronics Co., Ltd. Method and apparatus for implementing coordinated multiple point transmission
WO2011013986A2 (en) * 2009-07-30 2011-02-03 Lg Electronics Inc. Apparatus and method for transmitting channel state information in a mobile communication system
KR20110041972A (ko) * 2009-10-16 2011-04-22 엘지전자 주식회사 ＣｏＭＰ 방식에서의 피드백 정보 전송 방법과 이를 수행하는 단말 장치 및 채널상태정보 생성 방법과 이를 수행하는 기지국 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105191176B (zh) * 2013-04-09 2019-09-03 Lg电子株式会社 在无线接入系统中发送信道状态信息的方法和装置

Also Published As

Publication number Publication date
CN103650368B (zh) 2017-09-29
US20140133336A1 (en) 2014-05-15
US9585044B2 (en) 2017-02-28
WO2013002563A2 (ko) 2013-01-03
CN103650368A (zh) 2014-03-19
KR20140036247A (ko) 2014-03-25
EP2728767A2 (en) 2014-05-07
EP2728767B1 (en) 2020-10-07
EP2728767A4 (en) 2015-04-29

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