ES2790360T3 - Procedimiento y aparato para MIMO de realimentación reducida - Google Patents

Procedimiento y aparato para MIMO de realimentación reducida Download PDF

Info

Publication number
ES2790360T3
ES2790360T3 ES16864560T ES16864560T ES2790360T3 ES 2790360 T3 ES2790360 T3 ES 2790360T3 ES 16864560 T ES16864560 T ES 16864560T ES 16864560 T ES16864560 T ES 16864560T ES 2790360 T3 ES2790360 T3 ES 2790360T3
Authority
ES
Spain
Prior art keywords
codebook
pmi
csi
index
cqi
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
ES16864560T
Other languages
English (en)
Spanish (es)
Inventor
Eko Onggosanusi
Md Saifur Rahman
Youngwoo Kwak
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of ES2790360T3 publication Critical patent/ES2790360T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • H04B7/0481—Special codebook structures directed to feedback optimisation using subset selection of 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
    • H04B7/0413—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
    • 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
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • H04B7/0626—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
    • H04B7/06—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
    • 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
    • H04B7/0647—Variable feedback rate
    • 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
    • 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
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • 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
    • H04B7/0682—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 using phase diversity (e.g. phase sweeping)

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
ES16864560T 2015-11-11 2016-11-10 Procedimiento y aparato para MIMO de realimentación reducida Active ES2790360T3 (es)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562253911P 2015-11-11 2015-11-11
US201662288180P 2016-01-28 2016-01-28
US201662312222P 2016-03-23 2016-03-23
US15/339,482 US10763925B2 (en) 2015-11-11 2016-10-31 Method and apparatus for reduced feedback MIMO
PCT/KR2016/012881 WO2017082634A1 (en) 2015-11-11 2016-11-10 Method and apparatus for reduced feedback mimo

Publications (1)

Publication Number Publication Date
ES2790360T3 true ES2790360T3 (es) 2020-10-27

Family

ID=58663966

Family Applications (1)

Application Number Title Priority Date Filing Date
ES16864560T Active ES2790360T3 (es) 2015-11-11 2016-11-10 Procedimiento y aparato para MIMO de realimentación reducida

Country Status (6)

Country Link
US (1) US10763925B2 (enExample)
EP (1) EP3365987B1 (enExample)
JP (1) JP6983774B2 (enExample)
CN (1) CN108292941B (enExample)
ES (1) ES2790360T3 (enExample)
WO (1) WO2017082634A1 (enExample)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3411958B1 (en) * 2016-02-04 2019-10-23 Telefonaktiebolaget LM Ericsson (PUBL) A method for adapting a beam shape of a beam
EP3907899B1 (en) * 2016-02-24 2025-01-08 Samsung Electronics Co., Ltd. Method and apparatus for channel state information (csi) reporting
US10411868B2 (en) 2016-02-24 2019-09-10 Samsung Electronics Co., Ltd. Method and apparatus for channel state information (CSI) reporting
WO2017166219A1 (en) * 2016-03-31 2017-10-05 Qualcomm Incorporated Channel covariance feedback for enhanced fd-mimo
KR102666941B1 (ko) * 2016-06-16 2024-05-17 삼성전자주식회사 채널 상태 정보를 송수신하기 위한 장치 및 방법
US10826573B2 (en) * 2016-08-10 2020-11-03 Idac Holdings, Inc. Methods, apparatus, systems and procedures for uplink (UL) channel reciprocity
MX395111B (es) 2016-08-12 2025-03-24 Ericsson Telefon Ab L M Mecanismos de notificacion ricos en informacion de estado de canal de capa 1 y capa 2.
EP4187804A1 (en) 2016-08-12 2023-05-31 Telefonaktiebolaget LM ERICSSON (PUBL) Multi-beam codebooks with further optimized overhead
CN109952716B (zh) 2016-08-12 2022-08-23 瑞典爱立信有限公司 用于高级csi反馈开销减少的可配置码本
EP3497809B1 (en) * 2016-08-12 2023-03-08 Telefonaktiebolaget LM Ericsson (publ) Progressive advanced csi feedback
EP3520231B1 (en) * 2016-09-30 2023-08-23 Telefonaktiebolaget LM Ericsson (publ) Advanced csi reporting for hybrid class a/b operation
WO2018111809A1 (en) * 2016-12-13 2018-06-21 Intel IP Corporation User equipment (ue), generation node-b (gnb) and methods for signaling of control information for pre-coding
US10616839B2 (en) * 2017-04-27 2020-04-07 Qualcomm Incorporated Over-the-air phase synchronizatin for reciprocity-based comp joint transmission
CN108809386B (zh) * 2017-05-05 2023-06-16 华为技术有限公司 传输预编码矩阵的指示方法和设备
US10462801B2 (en) 2017-05-05 2019-10-29 At&T Intellectual Property I, L.P. Multi-antenna transmission protocols for high doppler conditions
US10470072B2 (en) 2017-06-15 2019-11-05 At&T Intellectual Property I, L.P. Facilitation of multiple input multiple output communication for 5G or other next generation network
CN108111200A (zh) 2017-06-16 2018-06-01 中兴通讯股份有限公司 一种信道状态信息反馈的方法和装置
WO2018227542A1 (en) * 2017-06-16 2018-12-20 Qualcomm Incorporated Channel state information feedback for semi-open-loop and open loop schemes
CN110892649B (zh) 2017-06-16 2023-09-29 苹果公司 信道状态信息串接和天线端口测量
CN109495148B (zh) * 2017-09-10 2021-08-31 华为技术有限公司 一种码本子集限制的方法
CN109495149B (zh) 2017-09-11 2021-10-15 华为技术有限公司 通信方法、网络设备、终端设备和系统
CN109586775B (zh) * 2017-09-29 2021-03-02 电信科学技术研究院 一种信道状态信息csi反馈方法、终端及基站
EP3474459A1 (en) * 2017-10-18 2019-04-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Receiver, transmitter, system and method employing space-delay precoding
EP3714567B1 (en) * 2017-11-24 2024-07-17 Telefonaktiebolaget LM Ericsson (Publ) Explicit measurement definition
CN110034800A (zh) * 2018-01-11 2019-07-19 中国移动通信有限公司研究院 信道信息的处理方法、基站、终端及计算机存储介质
US11265060B2 (en) 2018-01-22 2022-03-01 Lg Electronics Inc. Method for transmitting and receiving channel state information in wireless communication system and device therefor
CN110474741B (zh) * 2018-05-11 2021-01-15 华为技术有限公司 一种通信方法及装置
US10680682B2 (en) * 2018-05-11 2020-06-09 Qualcomm Incorporated Channel state information feedback for multi-transmission/reception point transmission in new radio
ES2923452T3 (es) 2018-08-29 2022-09-27 Fraunhofer Ges Forschung Receptor, transmisor, sistema y procedimiento que emplean precodificación de retardo espacial
US10707931B2 (en) 2018-11-02 2020-07-07 At&T Intellectual Property I, L.P. Linear combination codebook based per layer power allocation feedback for 5G or other next generation network
CN111182631B (zh) * 2018-11-12 2022-06-21 大唐移动通信设备有限公司 一种上行传输方法和设备
EP3672096A1 (en) * 2018-12-22 2020-06-24 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Methods and apparatuses for feedback reporting in a wireless communications network
WO2020143022A1 (en) * 2019-01-11 2020-07-16 Qualcomm Incorporated Channel state information (csi) omission for type-ii csi report
WO2020168490A1 (en) * 2019-02-20 2020-08-27 Qualcomm Incorporated Transmission diversity enhancement for uplink control channel
US10778298B1 (en) 2019-03-29 2020-09-15 At&T Intellectual Property I, L.P. Context-based precoding matrix computations for radio access network for 5G or other next generation network
US11431390B2 (en) * 2019-12-19 2022-08-30 Qualcomm Incorporated Higher rank multiple input multiple output enhancements in millimeter wave and sub-Terahertz bands
US12483904B2 (en) * 2020-07-20 2025-11-25 Qualcomm Incorporated Channel state information reporting techniques for wide beams
US11689268B2 (en) * 2020-10-09 2023-06-27 Samsung Electronics Co., Ltd. Method and apparatus for configuring parameters of a port selection codebook
CN114978413B (zh) * 2021-02-24 2024-05-03 华为技术有限公司 信息编码的控制方法及相关装置
CN117461275A (zh) * 2022-03-14 2024-01-26 中兴通讯股份有限公司 信道状态信息报告
US20250211294A1 (en) * 2023-12-20 2025-06-26 Qualcomm Incorporated Semi-open-loop mimo transmission based on type-ii precoding matrices

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105763299B (zh) * 2010-01-18 2019-11-15 Lg电子株式会社 用于在无线通信系统中提供信道质量信息的方法和设备
KR101871707B1 (ko) * 2010-04-02 2018-06-27 엘지전자 주식회사 무선통신 시스템에서 채널상태정보 피드백 하는 단말 장치 및 그 방법
EP2560298B1 (en) * 2010-04-12 2019-10-30 LG Electronics Inc. Method and apparatus for efficient feedback in a wireless communication system that supports multiple antennas
EP2560297B1 (en) * 2010-04-12 2019-06-05 LG Electronics Inc. Method and device for efficient feedback in wireless communication system supporting multiple antennas
JP5995850B2 (ja) * 2010-09-29 2016-09-21 エルジー エレクトロニクス インコーポレイティド 多重アンテナ支援無線通信システムにおいて効率的なフィードバック方法及び装置
JP5735666B2 (ja) 2011-03-29 2015-06-17 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いてリソース特定送信モードを決定する方法、及びそのための装置
CN102291213B (zh) * 2011-08-15 2017-06-16 中兴通讯股份有限公司 一种计算信道质量指示信息的终端及方法
US9225478B2 (en) * 2012-07-02 2015-12-29 Intel Corporation Supporting measurments and feedback for 3D MIMO with data transmission optimization
US9281881B2 (en) * 2013-02-12 2016-03-08 Texas Instruments Incorporated 4TX codebook enhancement in LTE
WO2015115706A1 (en) 2014-01-28 2015-08-06 Lg Electronics Inc. Method for transmitting reference signal based on adaptive antenna scaling in wireless communication system, and apparatus therefor
US10547366B2 (en) 2015-09-04 2020-01-28 Samsung Electronics Co., Ltd. Method and apparatus for CSI reporting on PUCCH
US10075218B2 (en) 2015-11-05 2018-09-11 Samsung Electronics Co., Ltd. Method and apparatus for FD-MIMO based multicasting in vehicular communication systems

Also Published As

Publication number Publication date
EP3365987A4 (en) 2018-12-05
US20170134082A1 (en) 2017-05-11
JP2019503103A (ja) 2019-01-31
CN108292941A (zh) 2018-07-17
US10763925B2 (en) 2020-09-01
JP6983774B2 (ja) 2021-12-17
EP3365987B1 (en) 2020-03-04
CN108292941B (zh) 2021-08-27
WO2017082634A1 (en) 2017-05-18
EP3365987A1 (en) 2018-08-29

Similar Documents

Publication Publication Date Title
ES2790360T3 (es) Procedimiento y aparato para MIMO de realimentación reducida
US11095345B2 (en) Method and apparatus for enabling uplink MIMO
ES2684337T3 (es) Procedimiento y aparato para informes de CSI
ES2967208T3 (es) Método para informar información de estado de canal en un sistema y aparato de comunicación inalámbrica para lo mismo
ES2941795T3 (es) Procedimiento y aparato para la adquisición de información sobre el estado del canal de enlace descendente y ascendente
US10484070B2 (en) Method and apparatus for channel state information reference signal (CSI-RS)
ES2929113T3 (es) Método y aparato para configurar características de canal de señal de referencia, y dispositivo de comunicación
US11152979B2 (en) Method and apparatus for codebook design and signaling
ES2967182T3 (es) Procedimiento y aparato para señal de referencia de medición en un sistema de comunicación inalámbrica
US10547366B2 (en) Method and apparatus for CSI reporting on PUCCH
US10547368B2 (en) Method and apparatus for codebook subset restriction for CSI reporting in advanced wireless communication systems
US10396866B2 (en) Advanced CSI reporting in advanced wireless communication systems
ES2783862T3 (es) Sistema y método para la transmisión y recepción de canales de control y datos con señal de referencia de grupo
US20180042028A1 (en) Method and apparatus for coordinating multi-point transmission in advanced wireless systems
JP2020058035A (ja) 減少されたフィードバックｆｄ−ｍｉｍｏのための方法及び装置
US20230254718A1 (en) Method and apparatus for channel quality reporting
CA3047229A1 (en) Method and apparatus for multiplexing channel state information
US20240372584A1 (en) Method and apparatus for robust mimo transmission
US20230328770A1 (en) Trp subset selection and reporting
KR20180129875A (ko) 업링크 mimo를 가능하게 하기 위한 방법 및 장치