KR101632223B1 - 무선 통신 시스템에서 채널 상태 정보를 피드백하는 방법 및 이를 위한 장치 - Google Patents

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

Info

Publication number
KR101632223B1
KR101632223B1 KR1020167003838A KR20167003838A KR101632223B1 KR 101632223 B1 KR101632223 B1 KR 101632223B1 KR 1020167003838 A KR1020167003838 A KR 1020167003838A KR 20167003838 A KR20167003838 A KR 20167003838A KR 101632223 B1 KR101632223 B1 KR 101632223B1
Authority
KR
South Korea
Prior art keywords
csi process
csi
codebook subset
subset limitation
dependent
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.)
Active
Application number
KR1020167003838A
Other languages
English (en)
Korean (ko)
Other versions
KR20160022401A (ko
Inventor
김형태
김병훈
김기준
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
Publication of KR20160022401A publication Critical patent/KR20160022401A/ko
Application granted granted Critical
Publication of KR101632223B1 publication Critical patent/KR101632223B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04B7/022—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
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0482—Adaptive codebooks
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode 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
    • H04B7/0621—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
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers
    • H04L25/03898—Spatial equalizers codebook-based design
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Mathematical Physics (AREA)
  • Error Detection And Correction (AREA)
KR1020167003838A 2012-11-09 2013-10-22 무선 통신 시스템에서 채널 상태 정보를 피드백하는 방법 및 이를 위한 장치 Active KR101632223B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261724382P 2012-11-09 2012-11-09
US61/724,382 2012-11-09
US201261726513P 2012-11-14 2012-11-14
US61/726,513 2012-11-14
PCT/KR2013/009419 WO2014073805A1 (en) 2012-11-09 2013-10-22 Method for feeding back channel state information in wireless communication system and apparatus therefor

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020157003315A Division KR101600494B1 (ko) 2012-11-09 2013-10-22 무선 통신 시스템에서 채널 상태 정보를 피드백하는 방법 및 이를 위한 장치

Publications (2)

Publication Number Publication Date
KR20160022401A KR20160022401A (ko) 2016-02-29
KR101632223B1 true KR101632223B1 (ko) 2016-06-21

Family

ID=50684859

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020167003838A Active KR101632223B1 (ko) 2012-11-09 2013-10-22 무선 통신 시스템에서 채널 상태 정보를 피드백하는 방법 및 이를 위한 장치
KR1020157003315A Active KR101600494B1 (ko) 2012-11-09 2013-10-22 무선 통신 시스템에서 채널 상태 정보를 피드백하는 방법 및 이를 위한 장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020157003315A Active KR101600494B1 (ko) 2012-11-09 2013-10-22 무선 통신 시스템에서 채널 상태 정보를 피드백하는 방법 및 이를 위한 장치

Country Status (9)

Country Link
US (3) US9755721B2 (enExample)
EP (1) EP2918095B1 (enExample)
JP (2) JP5993518B2 (enExample)
KR (2) KR101632223B1 (enExample)
CN (1) CN104365137B (enExample)
IN (1) IN2015MN00558A (enExample)
RU (1) RU2615980C2 (enExample)
SG (1) SG11201501688TA (enExample)
WO (1) WO2014073805A1 (enExample)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN2015MN00558A (enExample) * 2012-11-09 2015-07-31 Lg Electronics Inc
CN112383334B (zh) 2015-01-19 2024-05-17 高通股份有限公司 用于针对fd-mimo的增强型csi反馈的方法和装置
WO2016115679A1 (zh) * 2015-01-20 2016-07-28 华为技术有限公司 预编码信息的获取方法和设备
CN105991483B (zh) * 2015-01-28 2020-08-07 索尼公司 无线通信设备和无线通信方法
CN113708805B (zh) 2015-03-31 2025-03-21 索尼公司 无线通信系统中的电子设备和无线通信方法
CN111817839B (zh) 2015-05-22 2022-11-08 富士通株式会社 参考信号的资源配置方法、装置以及通信系统
EP3311505B1 (en) * 2015-06-18 2020-03-18 Telefonaktiebolaget LM Ericsson (publ) Systems and methods for adapting a codebook for use with multiple antenna configurations
CN106470061B (zh) * 2015-08-14 2019-09-17 电信科学技术研究院 信息的反馈方法、装置及终端
JP2018530937A (ja) 2015-08-14 2018-10-18 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． コードブック構成方法およびユーザー機器
US10693522B1 (en) 2015-09-04 2020-06-23 Lg Electronics Inc. Method and device for performing PUCCH feedback on basis of beamformed CSI RS resource in wireless communication system
WO2017061744A1 (ko) * 2015-10-04 2017-04-13 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치
US10772087B2 (en) * 2015-11-14 2020-09-08 Qualcomm Incorporated Physical layer signaling techniques in wireless communications systems
US11121752B2 (en) 2016-01-07 2021-09-14 Qualcomm Incorporated Enhanced CSI feedback for FD-MIMO
CN107181514B (zh) 2016-03-11 2020-09-15 电信科学技术研究院 一种csi反馈方法、预编码方法及装置
US9742480B1 (en) * 2016-05-25 2017-08-22 Futurewei Technologies, Inc. Channel-state information determination in wireless networks
US10484064B2 (en) 2016-09-01 2019-11-19 Samsung Electronics Co., Ltd. Method and apparatus for downlink and uplink CSI acquisition
CN110663214B (zh) * 2017-03-24 2022-10-14 瑞典爱立信有限公司 Pusch上的半持续csi反馈
WO2018226581A1 (en) * 2017-06-06 2018-12-13 Intel Corporation Codebook subset restriction for csi
US10749583B2 (en) * 2017-06-14 2020-08-18 Lg Electronics Inc. Method for transmitting and receiving channel state information in wireless communication system and device for the same
US11245495B2 (en) * 2017-06-19 2022-02-08 Lg Electronics Inc. Method for HARQ-ACK/NACK feedback in wireless communication system and device therefor
WO2019033383A1 (en) * 2017-08-18 2019-02-21 Nokia Shanghai Bell Co., Ltd. RESTRICTION OF CODES BOOK SUBASSEMBLY BASED ON BROADBAND AMPLITUDE
US10568082B2 (en) 2017-09-08 2020-02-18 At&T Intellectual Property I, L.P. Reducing higher layer signaling overhead in multiantenna wireless communication systems
US11277862B2 (en) 2017-10-26 2022-03-15 Comcast Cable Communications, Llc Activation and deactivation of configured grant
CA3022244C (en) 2017-10-27 2025-10-14 Ofinno, Llc COMMON GROUP DOWNLINK ORDER INFORMATION FOR WIRELESS RESOURCES
CA3023709A1 (en) 2017-11-09 2019-05-09 Comcast Cable Communications, Llc Csi transmission with multiple bandwidth parts
US10945172B2 (en) 2017-11-16 2021-03-09 Comcast Cable Communications, Llc Power control for bandwidth part switching
ES2960352T3 (es) 2017-11-16 2024-03-04 Beijing Xiaomi Mobile Software Co Ltd Informe de información de estado de canal sobre la parte de ancho de banda
MY201813A (en) 2017-11-28 2024-03-19 Lg Electronics Inc Method for reporting channel state information in wireless communication system and apparatus for the same
CN110011752B (zh) * 2018-01-04 2021-10-22 维沃移动通信有限公司 一种cqi上报方法、终端设备及网络设备
EP3547559B1 (en) 2018-03-30 2024-08-14 Comcast Cable Communications LLC Beam failure recovery procedures using bandwidth parts
EP3570482B1 (en) 2018-05-15 2021-08-18 Comcast Cable Communications, LLC Multiple active bandwidth parts
US11109397B2 (en) 2018-05-18 2021-08-31 Comcast Cable Communications, Llc Cross-carrier scheduling with multiple active bandwidth parts
US10863571B2 (en) 2018-05-21 2020-12-08 Comcast Cable Communications, Llc Failure detection and recovery for multiple active resources
EP3876642B1 (en) 2018-05-21 2025-09-17 Comcast Cable Communications LLC Random access procedures using multiple active bandwidth parts
CN112514275B (zh) * 2018-07-27 2023-11-28 Lg 电子株式会社 用于在无线通信系统中报告信道状态信息的方法和装置
EP3606272B1 (en) 2018-08-03 2023-10-04 Comcast Cable Communications, LLC Uplink and downlink synchronization procedures
US12120060B2 (en) 2018-09-19 2024-10-15 Qualcomm Incorporated Acknowledgement codebook design for multiple transmission reception points
US11259293B2 (en) 2019-01-10 2022-02-22 Ofinno, Llc Two-stage preamble transmission
CN111294145B (zh) * 2019-03-29 2022-09-27 北京紫光展锐通信技术有限公司 Csi反馈参数的上报方法及装置、存储介质、终端
CN112217620B (zh) * 2019-07-12 2022-04-01 大唐移动通信设备有限公司 混合自动重传请求确认码本的确定方法、终端及网络设备
EP3780455A1 (en) * 2019-08-15 2021-02-17 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Three-component codebook based csi reporting
CN113556168B (zh) * 2021-07-19 2023-04-28 电子科技大学 一种针对多智能反射面的码分多址传输方法
CN114245391B (zh) * 2021-11-26 2024-11-01 中国信息通信研究院 一种无线通信信息传送方法和设备
WO2024234651A1 (en) * 2023-12-20 2024-11-21 Zte Corporation Reporting channel state information

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130301560A1 (en) 2012-05-11 2013-11-14 Qualcomm Incorporated Rank-specific feedback for improved mimo support

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101050603B1 (ko) * 2004-06-23 2011-07-19 삼성전자주식회사 무선 통신 시스템에서 다중 안테나를 이용한 패킷 데이터송/수신 장치 및 방법
US20090122857A1 (en) * 2007-11-09 2009-05-14 Interdigital Patent Holdings, Inc. Method and apparatus for performing rank overriding in long term evolution networks
CN101729131B (zh) 2008-11-03 2014-06-04 夏普株式会社 无线通信系统及预编码方法
US8750205B2 (en) * 2009-08-07 2014-06-10 Texas Instruments Incorporated Multiple rank CQI feedback for cellular networks
US8811200B2 (en) 2009-09-22 2014-08-19 Qualcomm Incorporated Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
US20110170427A1 (en) * 2010-01-11 2011-07-14 Nokia Corporation Best Companion PMI-Based Beamforming
CN101800628B (zh) * 2010-02-12 2015-09-16 中兴通讯股份有限公司 一种获取信道状态信息的方法和系统
US9820273B2 (en) 2010-03-02 2017-11-14 Xiaoxia Zhang Uplink coordinated multipoint communications in a wireless network
JP5711277B2 (ja) * 2010-03-17 2015-04-30 エルジー エレクトロニクス インコーポレイティド 複数アンテナをサポートする無線通信システムにおいてチャネル状態情報参照信号の設定情報を提供する方法及び装置
EP2583382A1 (en) 2010-06-18 2013-04-24 Nec Corporation Precoding techniques for downlink coordinated multipoint transmission in radio communications system
CN101917365B (zh) * 2010-08-16 2015-06-03 中兴通讯股份有限公司 一种码本的配置方法、装置和系统
KR20120029338A (ko) * 2010-09-16 2012-03-26 엘지전자 주식회사 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치
US8687555B2 (en) * 2010-09-29 2014-04-01 Lg Electronics Inc. Method and apparatus for performing effective feedback in wireless communication system supporting multiple antennas
US8681651B2 (en) * 2010-11-05 2014-03-25 Qualcomm Incorporated Reference signal reception and channel state information determination for multiple nodes in a wireless communication network
JP5265657B2 (ja) 2010-12-27 2013-08-14 シャープ株式会社 基地局装置、端末装置、通信システムおよび通信方法
WO2012108573A1 (en) * 2011-02-11 2012-08-16 Pantech Co.,Ltd. Terminal and base station, method thereof in wireless communication system
US20120213108A1 (en) 2011-02-22 2012-08-23 Qualcomm Incorporated Radio resource monitoring (rrm) and radio link monitoring (rlm) procedures for remote radio head (rrh) deployments
CA2867841C (en) * 2012-03-19 2022-02-15 Telefonaktiebolaget L M Ericsson (Publ) Configuration of coordinated multipoint transmission hypotheses for channel state information reporting
US11546787B2 (en) * 2012-05-09 2023-01-03 Samsung Electronics Co., Ltd. CSI definitions and feedback modes for coordinated multi-point transmission
CN104508997B (zh) * 2012-06-18 2019-02-15 三星电子株式会社 在调度传输中使用的信道状态信息反馈的装置和方法
CN103716116B (zh) * 2012-09-28 2019-04-16 中兴通讯股份有限公司 信道状态信息反馈信令的配置方法、基站和终端
EP2907244B1 (en) * 2012-10-09 2016-11-23 Telefonaktiebolaget LM Ericsson (publ) Load-invariant configuration of interference measurement resources in coordinated mulit-point
WO2014065564A1 (en) 2012-10-23 2014-05-01 Lg Electronics Inc. Method for feeding back channel state information in wireless communication system and apparatus therefor
IN2015MN00558A (enExample) * 2012-11-09 2015-07-31 Lg Electronics Inc

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130301560A1 (en) 2012-05-11 2013-11-14 Qualcomm Incorporated Rank-specific feedback for improved mimo support

Also Published As

Publication number Publication date
US10432286B2 (en) 2019-10-01
KR101600494B1 (ko) 2016-03-07
KR20160022401A (ko) 2016-02-29
KR20150038019A (ko) 2015-04-08
SG11201501688TA (en) 2015-04-29
EP2918095B1 (en) 2019-09-11
CN104365137B (zh) 2018-09-28
EP2918095A1 (en) 2015-09-16
CN104365137A (zh) 2015-02-18
JP6317403B2 (ja) 2018-04-25
US20190372643A1 (en) 2019-12-05
JP2016213897A (ja) 2016-12-15
US20170353223A1 (en) 2017-12-07
JP5993518B2 (ja) 2016-09-14
RU2615980C2 (ru) 2017-04-12
IN2015MN00558A (enExample) 2015-07-31
EP2918095A4 (en) 2016-08-03
RU2015112589A (ru) 2017-01-10
US11411629B2 (en) 2022-08-09
US20150055723A1 (en) 2015-02-26
WO2014073805A1 (en) 2014-05-15
JP2015534327A (ja) 2015-11-26
US9755721B2 (en) 2017-09-05

Similar Documents

Publication Publication Date Title
KR101632223B1 (ko) 무선 통신 시스템에서 채널 상태 정보를 피드백하는 방법 및 이를 위한 장치
JP6463721B2 (ja) 無線通信システムにおいてチャネル状態情報をフィードバックする方法及びそのための装置
JP6301417B2 (ja) 無線通信システムにおいてチャネル状態情報をフィードバックする方法およびそのための装置
KR101946370B1 (ko) 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
KR101835331B1 (ko) 무선 통신 시스템에서 자원 특정 전송 모드 결정 방법 및 이를 위한 장치
KR101769382B1 (ko) 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
JP6328750B2 (ja) 無線通信システムにおいてチャネル状態情報送信方法及び装置
US10700745B2 (en) Feedback method of hybrid CSI in multi-antenna communication system and device therefor
KR101792511B1 (ko) 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
KR101706967B1 (ko) 무선 통신 시스템에서 랭크 인덱스의 비트 길이를 결정하는 방법 및 장치
KR20140009979A (ko) 다중 셀 협력 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
US20150172024A1 (en) Method and apparatus for feeding back channel state information in wireless communication system
WO2012102479A2 (ko) 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
JP6464143B2 (ja) 無線通信システムにおいてチャネル状態情報送信方法及び装置
WO2014003458A1 (en) Method for feeding back channel state information in wireless communication system and apparatus therefor
KR20150137048A (ko) 무선 통신 시스템에서 코드북을 이용한 신호 송수신 방법 및 장치
KR101909034B1 (ko) 다중 셀 협력 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치

Legal Events

Date Code Title Description
A107 Divisional application of patent
A201 Request for examination
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20160215

Application number text: 1020157003315

Filing date: 20150206

PA0201 Request for examination
PG1501 Laying open of application
E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20160405

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20160615

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20160616

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
FPAY Annual fee payment

Payment date: 20190514

Year of fee payment: 4

PR1001 Payment of annual fee

Payment date: 20190514

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20200514

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20210510

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 20220509

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 20230509

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20240509

Start annual number: 9

End annual number: 9

PR1001 Payment of annual fee

Payment date: 20250512

Start annual number: 10

End annual number: 10