CN109792285B - 用于上行链路(ul)信道相互性的方法、装置、系统和过程 - Google Patents

用于上行链路(ul)信道相互性的方法、装置、系统和过程 Download PDF

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Publication number
CN109792285B
CN109792285B CN201780060464.3A CN201780060464A CN109792285B CN 109792285 B CN109792285 B CN 109792285B CN 201780060464 A CN201780060464 A CN 201780060464A CN 109792285 B CN109792285 B CN 109792285B
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wtru
precoding
channel
information
beamforming
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CN109792285A (zh
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沙罗克·纳伊卜纳扎尔
阿夫欣·哈吉卡特
马良平
艾尔丹姆·巴拉
奥盖内科梅·奥泰里
李文一
桑吉瓦·赫拉特
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InterDigital Patent Holdings Inc
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IDAC Holdings Inc
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    • 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
    • H04B7/0413—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
    • H04B7/04—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
    • 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
    • H04B7/0619—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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
CN201780060464.3A 2016-08-10 2017-08-03 用于上行链路(ul)信道相互性的方法、装置、系统和过程 Active CN109792285B (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202211349032.3A CN115987343A (zh) 2016-08-10 2017-08-03 用于上行链路(ul)信道相互性的方法、装置、系统和过程
CN202211348340.4A CN115987342A (zh) 2016-08-10 2017-08-03 用于上行链路(ul)信道相互性的方法、装置、系统和过程

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201662373203P 2016-08-10 2016-08-10
US62/373,203 2016-08-10
US201662400969P 2016-09-28 2016-09-28
US62/400,969 2016-09-28
US201662416476P 2016-11-02 2016-11-02
US62/416,476 2016-11-02
US201762445941P 2017-01-13 2017-01-13
US62/445,941 2017-01-13
PCT/US2017/045293 WO2018031367A1 (en) 2016-08-10 2017-08-03 Methods, apparatus, systems and procedures for uplink (ul) channel reciprocity

Related Child Applications (2)

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CN202211348340.4A Division CN115987342A (zh) 2016-08-10 2017-08-03 用于上行链路(ul)信道相互性的方法、装置、系统和过程
CN202211349032.3A Division CN115987343A (zh) 2016-08-10 2017-08-03 用于上行链路(ul)信道相互性的方法、装置、系统和过程

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CN109792285B true CN109792285B (zh) 2022-11-18

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CN202211348340.4A Pending CN115987342A (zh) 2016-08-10 2017-08-03 用于上行链路(ul)信道相互性的方法、装置、系统和过程
CN202211349032.3A Pending CN115987343A (zh) 2016-08-10 2017-08-03 用于上行链路(ul)信道相互性的方法、装置、系统和过程

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CN202211349032.3A Pending CN115987343A (zh) 2016-08-10 2017-08-03 用于上行链路(ul)信道相互性的方法、装置、系统和过程

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US (4) US10826573B2 (https=)
EP (1) EP3497811A1 (https=)
JP (3) JP2019528613A (https=)
KR (2) KR20190050764A (https=)
CN (3) CN109792285B (https=)
RU (1) RU2739395C2 (https=)
WO (1) WO2018031367A1 (https=)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10826573B2 (en) 2016-08-10 2020-11-03 Idac Holdings, Inc. Methods, apparatus, systems and procedures for uplink (UL) channel reciprocity
WO2018027936A1 (en) * 2016-08-12 2018-02-15 Qualcomm Incorporated Uplink multiple-input multiple-output (mimo) scheduling using beamformed reference signals
CN113422678B (zh) * 2016-12-30 2025-04-01 华为技术有限公司 传输上行测量参考信号的方法、装置和系统
KR102373474B1 (ko) * 2017-03-23 2022-03-11 삼성전자주식회사 무선 통신 시스템에서 데이터를 전송하기 위한 장치 및 방법
US11664865B2 (en) * 2017-06-14 2023-05-30 Sony Group Corporation Operating a terminal device and a base station in a wireless MIMO system
WO2019056292A1 (en) * 2017-09-22 2019-03-28 Qualcomm Incorporated REPORT THE DESIGN FOR THE RETURN OF CSI INFORMATION NOT BASED ON THE IMP
EP3729677B1 (en) 2017-12-22 2023-08-09 Telefonaktiebolaget LM Ericsson (publ) A wireless communications system, a radio network node, a machine learning unt and methods therein for transmission of a downlink signal in a wireless communications network supporting beamforming
US10797913B2 (en) * 2018-01-22 2020-10-06 Samsung Electronics Co., Ltd. Reciprocity based FDD FD-MIMO DL channel CSI acquisition
US10511363B2 (en) * 2018-05-04 2019-12-17 Samsung Electronics Co., Ltd. Precoding for advanced wireless communication systems
EP4485869A3 (en) 2018-06-13 2025-03-26 Cohere Technologies, Inc. Reciprocal calibration for channel estimation based on second-order statistics
US12081471B2 (en) * 2018-07-27 2024-09-03 Nec Corporation Uplink transmission
US12278678B2 (en) 2018-08-09 2025-04-15 Qualcomm Incorporated Methods for full duplex beamforming and online calibration in millimeter wave systems
KR102526199B1 (ko) * 2018-08-29 2023-04-26 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 공간-지연 프리코딩을 이용하는 수신기, 송신기, 시스템 및 방법
US10588089B1 (en) * 2018-09-21 2020-03-10 Qualcomm Incorporated Mitigation of calibration errors
US10868605B2 (en) * 2018-09-26 2020-12-15 Samsung Electronics Co., Ltd. Method and apparatus for channel state information estimation
CN110972324B (zh) * 2018-09-28 2021-09-24 上海朗帛通信技术有限公司 一种被用于无线通信的基站中的方法和装置
US11394437B2 (en) * 2018-12-14 2022-07-19 Qualcomm Incorporated Beamforming codebook adaptation for flexible wireless devices
US11569886B2 (en) * 2019-04-01 2023-01-31 Qualcomm Incorporated Network-sensitive transmit diversity scheme
WO2021026675A1 (en) * 2019-08-09 2021-02-18 Qualcomm Incorporated Uplink precoding resource block group for non-codebook based frequency-selective uplink precoding
EP4049489A4 (en) * 2019-10-23 2023-06-28 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for multi-user multi-antenna transmission
CN111130607B (zh) * 2019-12-26 2024-01-23 中兴通讯股份有限公司 上行传输、信号接收方法、装置、终端、服务节点及介质
US11490452B2 (en) * 2020-01-20 2022-11-01 Rockwell Collins, Inc. Ad-hoc HF time frequency diversity
US11616563B2 (en) * 2020-04-06 2023-03-28 Samsung Electronics Co., Ltd. Systems and methods for updating beamforming codebooks for angle-of-arrival estimation using compressive sensing in wireless communications
US11211994B2 (en) 2020-04-06 2021-12-28 Samsung Electronics Co., Ltd. Angular sparse channel recovery using history measurements
WO2021257540A1 (en) * 2020-06-15 2021-12-23 Cohere Technologies, Inc. Spectral sharing wireless systems
US12483904B2 (en) * 2020-07-20 2025-11-25 Qualcomm Incorporated Channel state information reporting techniques for wide beams
US11283507B2 (en) 2020-07-23 2022-03-22 Samsung Electronics Co., Ltd. Transmitter beamforming at base station with partial channel information and UE feedback
CN112135288B (zh) * 2020-09-17 2025-03-11 中兴通讯股份有限公司 信号传输方法、装置、接入节点、处理单元、系统及介质
US20220094414A1 (en) * 2020-09-18 2022-03-24 Qualcomm Incorporated Techniques for transformation of analog beamforming codebooks
US11589355B2 (en) * 2020-11-25 2023-02-21 Qualcomm Incorporated UE null space report
CN116438747B (zh) * 2020-11-27 2026-01-16 华为技术有限公司 通信方法及装置
EP4030634B1 (en) * 2021-01-14 2025-05-14 Nokia Technologies Oy Uplink frequency selective precoder
US11523396B2 (en) * 2021-03-01 2022-12-06 At&T Intellectual Property I, L.P. Method and system for predicting a downlink channel
WO2022242820A1 (en) * 2021-05-17 2022-11-24 Telefonaktiebolaget Lm Ericsson (Publ) Interference mitigation for full duplex communication
CN115442005A (zh) * 2021-06-03 2022-12-06 中兴通讯股份有限公司 网络节点的控制方法、装置及计算机可读存储介质
US11777568B2 (en) * 2021-07-23 2023-10-03 Samsung Electronics Co., Ltd. PMI-based data beam nulling with a CSI report
JP7570988B2 (ja) * 2021-08-11 2024-10-22 Kddi株式会社 無線通信の遅延を低減する制御装置、制御方法、及びプログラム
US12028132B2 (en) * 2021-11-12 2024-07-02 Samsung Electronics Co., Ltd. MIMO transmission apparatus and operating method thereof
US12126466B2 (en) * 2022-03-09 2024-10-22 Qualcomm Incorporated Channel state feedback using demodulation reference signals
US20250203602A1 (en) * 2022-04-29 2025-06-19 Qualcomm Incorporated Uplink parameters prediction and indication in wireless communication
WO2024049689A1 (en) * 2022-09-02 2024-03-07 Apple Inc. Technologies for beam management using a hybrid beamforming architecture
US20240137086A1 (en) * 2022-10-10 2024-04-25 Nec Laboratories America, Inc. Distributed hybrid beamforming
KR20240092878A (ko) * 2022-12-15 2024-06-24 한국과학기술원 다수의 사용자를 위한 멀티 에이전트 심층 강화학습을 적용한 간섭 제어 및 하이브리드 빔포밍 방법 및 시스템
CN116321322A (zh) * 2023-03-30 2023-06-23 福建北峰通信科技股份有限公司 一种实现讲话方无损越区切换的方法
WO2025037698A1 (ko) * 2023-08-14 2025-02-20 삼성전자 주식회사 무선 통신 시스템에서 채널을 추정하는 방법 및 장치
WO2025093118A1 (en) * 2023-11-01 2025-05-08 Telefonaktiebolaget Lm Ericsson (Publ) Device and method for downlink transmission in a mimo system

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4652430B2 (ja) 2007-05-29 2011-03-16 三星電子株式会社 多重入出力無線通信システムにおける制限されたフィードフォワードのビーム形成を行うための装置及びその方法
US8798183B2 (en) 2007-08-13 2014-08-05 Qualcomm Incorporated Feedback and rate adaptation for MIMO transmission in a time division duplexed (TDD) communication system
JP5361865B2 (ja) * 2008-04-04 2013-12-04 パナソニック株式会社 無線通信移動局装置およびプレコーディング行列使用方法
WO2010002772A2 (en) * 2008-06-30 2010-01-07 Interdigital Patent Holdings, Inc. Method and apparatus for signaling precoding vectors
CN101394251A (zh) 2008-07-23 2009-03-25 中兴通讯股份有限公司 秩指示信息的发送方法和装置
GB2467303B (en) 2008-08-07 2012-07-11 Icera Inc Feedback in a wireless communication system
US20100195748A1 (en) 2009-02-02 2010-08-05 Samsung Electronics Co., Ltd. Method and system for reference signal pattern design in resource blocks
CN101540631B (zh) 2009-04-27 2014-03-12 中兴通讯股份有限公司 测量参考信号的多天线发送方法及装置
US9184511B2 (en) * 2009-07-10 2015-11-10 Futurewei Technologies, Inc. System and method for downlink channel sounding in wireless communications systems
US8472381B1 (en) 2009-08-14 2013-06-25 Marvell International Ltd. Methods and apparatus for antenna spoofing
JP5418598B2 (ja) 2009-09-15 2014-02-19 富士通株式会社 無線通信システム、無線通信装置および無線通信方法
US8605803B2 (en) 2010-03-15 2013-12-10 Industrial Technology Research Institute Methods and apparatus for reducing uplink multi-base station interference
WO2011131127A1 (zh) * 2010-04-20 2011-10-27 中国移动通信集团公司 发送与接收信道探测参考信号的方法、装置与系统
CN102244557B (zh) * 2010-05-12 2014-06-11 中国移动通信集团公司 发送与接收信道探测参考信号的方法及装置
KR101231487B1 (ko) * 2010-06-03 2013-02-07 (주)휴맥스 차분 선부호화 방법 및 그 방법을 지원하는 기지국
KR20120010099A (ko) 2010-07-22 2012-02-02 엘지전자 주식회사 상향링크 신호를 전송하는 방법 및 이를 위한 장치
KR101792510B1 (ko) * 2010-07-27 2017-11-02 엘지전자 주식회사 다중 노드 시스템에서 기지국이 노드를 반정적으로 단말에 할당하는 방법 및 장치
US9014287B2 (en) 2010-08-24 2015-04-21 Qualcomm Incorporated Open loop MIMO mode for LTE-A uplink
KR20120029338A (ko) * 2010-09-16 2012-03-26 엘지전자 주식회사 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치
JP5346970B2 (ja) * 2011-03-04 2013-11-20 株式会社エヌ・ティ・ティ・ドコモ 移動端末装置、無線基地局装置及び無線通信方法
CN102170330B (zh) * 2011-04-29 2017-08-08 中兴通讯股份有限公司 测量参考信号的发送方法及系统
WO2013157790A1 (ko) * 2012-04-20 2013-10-24 엘지전자 주식회사 무선 접속 시스템에서 하향링크 빔 포밍 방법 및 이를 위한 장치
US9351288B2 (en) * 2012-06-05 2016-05-24 Samsung Electronics Co., Ltd. Uplink channel sounding and channel state information estimation in mobile communication systems with multiple antennas
WO2013185320A1 (zh) * 2012-06-14 2013-12-19 华为技术有限公司 确定预编码矩阵指示的方法、用户设备、基站演进节点
US9769677B2 (en) * 2012-07-02 2017-09-19 Industrial Technology Research Institute Method and apparatus for bit-adaptive precoding matrix indicator feedback
US9912430B2 (en) * 2012-07-06 2018-03-06 Samsung Electronics Co. Ltd. Method and apparatus for channel state information feedback reporting
US9596065B2 (en) * 2012-10-24 2017-03-14 Qualcomm Incorporated Enhanced SRS transmission for MIMO operation in LTE-A
CN103905104B (zh) * 2012-12-28 2017-12-19 中兴通讯股份有限公司 一种根据探测参考信号的多天线发送方法及终端及基站
KR102043021B1 (ko) * 2013-04-15 2019-11-12 삼성전자주식회사 이동 통신 시스템에서 빔포밍을 위한 스케쥴링 방법 및 장치
KR102048880B1 (ko) * 2013-04-29 2019-11-26 삼성전자주식회사 다단 빔포밍 시스템을 위한 통신 방법 및 장치
US9432101B2 (en) * 2013-06-07 2016-08-30 Google Technology Holdings LLC Methods for codebook sub-sampling
US9532256B2 (en) * 2013-08-07 2016-12-27 Broadcom Corporation Receiver-aided multi-user MIMO and coordinated beamforming
CN104955061A (zh) * 2014-03-28 2015-09-30 华为技术有限公司 波束选择方法及基站
US20170311321A1 (en) 2014-09-25 2017-10-26 Ntt Docomo, Inc. Base station and user equipment
CN105530036B (zh) * 2014-09-28 2019-04-02 电信科学技术研究院 信道状态信息反馈方法、设备及系统
TWI574456B (zh) * 2014-12-03 2017-03-11 財團法人工業技術研究院 階層式波束成型方法及其基地台與使用者設備
JP2016114696A (ja) 2014-12-12 2016-06-23 株式会社リコー 帯電装置及び画像形成装置
US10142004B2 (en) * 2014-12-30 2018-11-27 Lg Electronics Inc. Method for performing pre-coding using codebook in wireless communication system and apparatus therefor
KR20160082466A (ko) * 2014-12-30 2016-07-08 한국전자통신연구원 다중 사용자 다중 송수신 시스템에서의 빔 포밍 기반 통신 방법 및 이를 지원하는 통신 시스템
EP3248299A1 (en) * 2015-01-15 2017-11-29 Telefonaktiebolaget LM Ericsson (publ) A wireless device, a radio node, and methods therein
CN105991264B (zh) * 2015-02-03 2019-11-26 中兴通讯股份有限公司 一种测量参考信号的发送方法、设备和系统
US10763925B2 (en) * 2015-11-11 2020-09-01 Samsung Electronics Co., Ltd. Method and apparatus for reduced feedback MIMO
US10172118B2 (en) * 2015-12-09 2019-01-01 Qualcomm Incorporated Decoupled mode for a common uplink burst transmission in a time division duplex subframe structure
US20170264346A1 (en) * 2016-03-09 2017-09-14 Futurewei Technologies, Inc. System and Method for Communicating in a Wireless Communications System with Precoding
US10826573B2 (en) * 2016-08-10 2020-11-03 Idac Holdings, Inc. Methods, apparatus, systems and procedures for uplink (UL) channel reciprocity
US10367550B2 (en) * 2017-04-03 2019-07-30 Cisco Technology, Inc. Updating precoding matrix for MIMO transmissions

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