RU2739395C2 - Способы, устройства, системы и процедуры для взаимности канала восходящей линии связи (ul) - Google Patents

Способы, устройства, системы и процедуры для взаимности канала восходящей линии связи (ul) Download PDF

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RU2739395C2
RU2739395C2 RU2019103549A RU2019103549A RU2739395C2 RU 2739395 C2 RU2739395 C2 RU 2739395C2 RU 2019103549 A RU2019103549 A RU 2019103549A RU 2019103549 A RU2019103549 A RU 2019103549A RU 2739395 C2 RU2739395 C2 RU 2739395C2
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precoding
channel
information
beamforming
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RU2019103549A
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Russian (ru)
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RU2019103549A (ru
RU2019103549A3 (cg-RX-API-DMAC7.html
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Шахрок НАЙЕБ НАЗАР
Афшин ХАГИГАТ
Лянпин МА
Эрдем БАЛА
Огенекоме ОТЕРИ
Моон-ил ЛИ
Санджива ХЕРАТХ
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Идак Холдингз, Инк.
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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)
RU2019103549A 2016-08-10 2017-08-03 Способы, устройства, системы и процедуры для взаимности канала восходящей линии связи (ul) RU2739395C2 (ru)

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

Publications (3)

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RU2019103549A RU2019103549A (ru) 2020-08-10
RU2019103549A3 RU2019103549A3 (cg-RX-API-DMAC7.html) 2020-10-20
RU2739395C2 true RU2739395C2 (ru) 2020-12-23

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US (4) US10826573B2 (cg-RX-API-DMAC7.html)
EP (1) EP3497811A1 (cg-RX-API-DMAC7.html)
JP (3) JP2019528613A (cg-RX-API-DMAC7.html)
KR (2) KR20230093532A (cg-RX-API-DMAC7.html)
CN (3) CN115987343A (cg-RX-API-DMAC7.html)
RU (1) RU2739395C2 (cg-RX-API-DMAC7.html)
WO (1) WO2018031367A1 (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2834456C1 (ru) * 2024-06-20 2025-02-11 Федеральное государственное бюджетное учреждение науки Физический институт им. П.Н. Лебедева Российской академии наук (ФИАН) Способ беспроводной передачи данных по радиоканалу миллиметрового и/или субмиллиметрового диапазона

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3497811A1 (en) * 2016-08-10 2019-06-19 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
CN108270533B (zh) * 2016-12-30 2021-08-20 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
WO2018228687A1 (en) * 2017-06-14 2018-12-20 Sony Mobile Communications Inc. Operating a terminal device and a base station in a wireless mimo system
EP3685533B1 (en) * 2017-09-22 2023-07-19 QUALCOMM Incorporated Signaling design for non-pmi based csi feedback
CN111492593B (zh) * 2017-12-22 2023-09-05 瑞典爱立信有限公司 无线通信系统、无线电网络节点、机器学习单元及方法
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
JP7215564B2 (ja) * 2018-07-27 2023-01-31 日本電気株式会社 端末デバイスで実行される方法、端末デバイス、ネットワークデバイスで実行される方法及びネットワークデバイス
US12278678B2 (en) 2018-08-09 2025-04-15 Qualcomm Incorporated Methods for full duplex beamforming and online calibration in millimeter wave systems
MX2021002304A (es) * 2018-08-29 2021-04-28 Fraunhofer Ges Forschung Receptor, transmisor, sistema y metodo que emplean precodificacion de retardo espacial.
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
CN115699841A (zh) * 2020-06-15 2023-02-03 凝聚技术公司 频谱共享无线系统
WO2022016321A1 (en) * 2020-07-20 2022-01-27 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
EP4236127B1 (en) * 2020-11-27 2026-01-07 Huawei Technologies Co., Ltd. Communication method and apparatus
EP4030634B1 (en) * 2021-01-14 2025-05-14 Nokia Technologies Oy Uplink frequency selective precoder
US11532882B2 (en) * 2021-03-01 2022-12-20 At&T Intellectual Property I, L.P. Method and system for calibrating modular antenna arrays
EP4342108A1 (en) * 2021-05-17 2024-03-27 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
WO2023206393A1 (en) * 2022-04-29 2023-11-02 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8472381B1 (en) * 2009-08-14 2013-06-25 Marvell International Ltd. Methods and apparatus for antenna spoofing
WO2016045535A1 (zh) * 2014-09-28 2016-03-31 电信科学技术研究院 信道状态信息反馈方法、设备及系统
RU2014152985A (ru) * 2012-07-06 2016-07-20 Самсунг Электроникс Ко., Лтд. Способ и устройство для предоставления отчета обратной связи по информации состояния канала

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101369837B (zh) * 2007-05-29 2013-02-06 三星电子株式会社 利用有限前馈信道进行波束形成的设备和方法
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
CN105553533A (zh) 2008-07-23 2016-05-04 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
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
US8917687B2 (en) * 2010-04-20 2014-12-23 China Mobile Communications Corporation Method, apparatus and system for sending and receiving sounding reference signal
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
WO2012015238A2 (ko) * 2010-07-27 2012-02-02 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
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
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
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
CN111641485B (zh) * 2014-09-25 2023-06-02 株式会社Ntt都科摩 用户装置和发送方法
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
WO2016114696A1 (en) 2015-01-15 2016-07-21 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
EP3497811A1 (en) * 2016-08-10 2019-06-19 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8472381B1 (en) * 2009-08-14 2013-06-25 Marvell International Ltd. Methods and apparatus for antenna spoofing
RU2014152985A (ru) * 2012-07-06 2016-07-20 Самсунг Электроникс Ко., Лтд. Способ и устройство для предоставления отчета обратной связи по информации состояния канала
WO2016045535A1 (zh) * 2014-09-28 2016-03-31 电信科学技术研究院 信道状态信息反馈方法、设备及系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2834456C1 (ru) * 2024-06-20 2025-02-11 Федеральное государственное бюджетное учреждение науки Физический институт им. П.Н. Лебедева Российской академии наук (ФИАН) Способ беспроводной передачи данных по радиоканалу миллиметрового и/или субмиллиметрового диапазона

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