TWI750107B - 用於提供波束成形回饋的無線發射/接收單元(wtru)及用於其的方法 - Google Patents

用於提供波束成形回饋的無線發射/接收單元(wtru)及用於其的方法 Download PDF

Info

Publication number
TWI750107B
TWI750107B TW102134964A TW102134964A TWI750107B TW I750107 B TWI750107 B TW I750107B TW 102134964 A TW102134964 A TW 102134964A TW 102134964 A TW102134964 A TW 102134964A TW I750107 B TWI750107 B TW I750107B
Authority
TW
Taiwan
Prior art keywords
feedback
wtru
channel
angles
angle
Prior art date
Application number
TW102134964A
Other languages
English (en)
Chinese (zh)
Other versions
TW201419786A (zh
Inventor
夏鵬飛
莫尼沙 戈什
樓漢卿
羅伯特 林德 奧勒森
阿格翰納康 歐泰瑞
Original Assignee
美商內數位專利控股公司
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 美商內數位專利控股公司 filed Critical 美商內數位專利控股公司
Publication of TW201419786A publication Critical patent/TW201419786A/zh
Application granted granted Critical
Publication of TWI750107B publication Critical patent/TWI750107B/zh

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
    • H04B7/04—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
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • 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
    • H04B7/0628—Diversity capabilities
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/0641—Differential feedback
    • 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
    • H04B7/0658—Feedback reduction
    • H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/007—Unequal error protection
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • H04L1/0073—Special arrangements for feedback channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Quality & Reliability (AREA)
TW102134964A 2012-09-28 2013-09-27 用於提供波束成形回饋的無線發射/接收單元(wtru)及用於其的方法 TWI750107B (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201261707452P 2012-09-28 2012-09-28
US61/707,452 2012-09-28
US201361770879P 2013-02-28 2013-02-28
US61/770,879 2013-02-28
US201361783918P 2013-03-14 2013-03-14
US61/783,918 2013-03-14

Publications (2)

Publication Number Publication Date
TW201419786A TW201419786A (zh) 2014-05-16
TWI750107B true TWI750107B (zh) 2021-12-21

Family

ID=49385373

Family Applications (1)

Application Number Title Priority Date Filing Date
TW102134964A TWI750107B (zh) 2012-09-28 2013-09-27 用於提供波束成形回饋的無線發射/接收單元(wtru)及用於其的方法

Country Status (10)

Country Link
US (2) US9680538B2 (cg-RX-API-DMAC7.html)
EP (2) EP2901569B1 (cg-RX-API-DMAC7.html)
JP (1) JP2016500942A (cg-RX-API-DMAC7.html)
KR (1) KR101718403B1 (cg-RX-API-DMAC7.html)
CN (1) CN104737465B (cg-RX-API-DMAC7.html)
IL (1) IL237939B (cg-RX-API-DMAC7.html)
IN (1) IN2015DN02516A (cg-RX-API-DMAC7.html)
MY (1) MY178618A (cg-RX-API-DMAC7.html)
TW (1) TWI750107B (cg-RX-API-DMAC7.html)
WO (1) WO2014052879A1 (cg-RX-API-DMAC7.html)

Families Citing this family (115)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9137818B2 (en) * 2011-12-14 2015-09-15 Alcatel Lucent Method and system for a reduced-complexity scheduling for a network MIMO with linear zero-forcing beamforming
US9702963B2 (en) 2012-05-30 2017-07-11 Nokia Technologies Oy Method, apparatus, and computer program product for high accuracy location determination
US9755720B2 (en) * 2013-05-31 2017-09-05 Nokia Technologies Oy Calibration data
US9706415B2 (en) * 2013-10-31 2017-07-11 Aruba Networks, Inc. Method for RF management, frequency reuse and increasing overall system capacity using network-device-to-network-device channel estimation and standard beamforming techniques
GB2521442A (en) 2013-12-19 2015-06-24 Nokia Corp Method, apparatus, and computer program product for location determination using WiFi
WO2015102180A1 (ko) * 2014-01-06 2015-07-09 엘지전자 주식회사 무선 통신 시스템에서 사운딩 방법 및 장치
US9526016B2 (en) 2014-02-14 2016-12-20 Samsung Electronics Co., Ltd. Computing system with feedback mechanism and method of operation thereof
US9124317B1 (en) * 2014-02-19 2015-09-01 Broadcom Corporation Supporting high dimensional MU-MIMO beamforming by sounding multiple frames with different sets of antenna patterns
US10225338B1 (en) 2014-04-15 2019-03-05 Marvell International Ltd. Peer to peer ranging exchange
MX357607B (es) * 2014-05-08 2018-07-17 Ericsson Telefon Ab L M Formacion de haz utilizando una disposicion de antenas.
CN111901887B (zh) * 2014-05-09 2024-03-29 交互数字专利控股公司 探测和信道选择的方法和系统
US9693307B2 (en) * 2014-06-30 2017-06-27 Apple Inc. Early termination of reception of wireless transmissions
US10499418B2 (en) * 2014-07-09 2019-12-03 Qualcomm Incorporated Methods and apparatus for multiple user uplink control and scheduling via aggregated frames
WO2016014016A1 (en) * 2014-07-21 2016-01-28 Ruckus Wireless, Inc. Beamforming for a multi-user mimo group
WO2016020628A1 (en) 2014-08-08 2016-02-11 Kabushiki Kaisha Toshiba Wireless communication methods and apparatus
CN105471771B (zh) * 2014-08-28 2021-01-12 北京三星通信技术研究有限公司 信道方向信息的获取方法和设备
US9602635B2 (en) * 2014-10-27 2017-03-21 Intel IP Corporation Wireless device, method, and computer readable media for compressed media access control header
CN107431584B (zh) 2014-12-05 2020-11-03 马维尔国际有限公司 用于在无线通信网络中进行通信的方法和装置
US10063292B2 (en) * 2015-02-02 2018-08-28 Qualcomm Incorporated Multi-user operation management
US10194268B1 (en) * 2015-02-11 2019-01-29 Marvell International Ltd. Methods and apparatus for range measurement
US10505595B2 (en) * 2015-02-27 2019-12-10 Newracom, Inc. Mixed fine/coarse sounding methods for HE STAs for MIMO and OFDMA
US9998130B2 (en) * 2016-07-06 2018-06-12 Hrl Laboratories, Llc Method to perform convolutions between arbitrary vectors using clusters of weakly coupled oscillators
US9814088B2 (en) * 2015-04-02 2017-11-07 Qualcomm Incorporated Techniques for assisting radio access technology (RAT) communications using another RAT
US9820326B2 (en) * 2015-04-02 2017-11-14 Qualcomm Incorporated Techniques for assisting radio access technology (RAT) communications using another RAT
US9820325B2 (en) 2015-04-02 2017-11-14 Qualcomm Incorporated Techniques for assisting radio access technology (RAT) communications using another RAT
US10201017B2 (en) 2015-04-09 2019-02-05 Marvell World Trade Ltd. Contention-based orthogonal frequency division multiple access (OFDMA) communication
CN107155402B (zh) * 2015-04-10 2020-09-25 华为技术有限公司 数据传输的方法和设备
WO2016168128A1 (en) * 2015-04-15 2016-10-20 Ping Liang Hybrid beamforming multi-antenna wireless systems
WO2017003252A1 (ko) * 2015-07-01 2017-01-05 엘지전자 주식회사 다중 안테나 무선 통신 시스템에서 코드북 구성 방법 및 이를 위한 장치
US10530447B2 (en) 2015-07-08 2020-01-07 Intel IP Corporation User equipment (UE) and methods for communication using directional transmission and reception
EP4503466A3 (en) 2015-07-10 2025-04-23 InterDigital Patent Holdings, Inc. Unified feedback for ofdma wlan
US9860765B2 (en) 2015-09-01 2018-01-02 Qualcomm Incorporated Doppler profile estimation using compressed beamforming information
US10305584B2 (en) * 2015-10-20 2019-05-28 Samsung Electronics Co., Ltd. Apparatus and method for performing beamforming operation in communication system supporting frequency division-multiple input multiple output scheme
EP3373642B1 (en) * 2015-11-04 2020-09-09 Panasonic Intellectual Property Management Co., Ltd. Wireless communication device and wireless communication method
US10686641B2 (en) * 2015-11-05 2020-06-16 Mediatek Inc. Signaling and feedback schemes of time-vary channels in high-efficiency WLAN
US10314003B2 (en) 2015-11-06 2019-06-04 Telefonaktiebolaget Lm Ericsson (Publ) Positioning in WLAN systems
US10171265B2 (en) * 2015-11-10 2019-01-01 Qualcomm Incorporated Uplink channel information
US10742285B1 (en) 2015-11-13 2020-08-11 Marvell International Ltd. Explicit multiuser beamforming training in a wireless local area network
EP3382966B1 (en) 2015-11-25 2020-12-30 LG Electronics Inc. Method and device for transmitting feedback frame in wireless lan system
US10123331B2 (en) * 2015-12-15 2018-11-06 Lg Electronics Inc. Method and apparatus for transmitting feedback frame in wireless local area network system
US9887749B2 (en) * 2015-12-16 2018-02-06 Huawei Technologies Co., Ltd. System and method for quantization of angles for beamforming feedback
US10419093B2 (en) * 2016-01-08 2019-09-17 Telefonaktiebolaget Lm Ericsson (Publ) Enabling channel state feedback for multi-user transmission in a wireless communication system
CN108476044B (zh) 2016-01-21 2021-05-18 华为技术有限公司 通信设备及其方法
CN107027145B (zh) * 2016-02-01 2021-01-01 华为技术有限公司 信道测量方法及装置
EP3223446A1 (en) * 2016-03-22 2017-09-27 Xieon Networks S.à r.l. A method for protecting a link in an optical network
WO2017166089A1 (en) 2016-03-30 2017-10-05 Intel Corporation Techniques for determining a current location of a mobile device
WO2018026317A1 (en) 2016-08-01 2018-02-08 Telefonaktiebolaget Lm Ericsson (Publ) Communication nodes and methods therein for positioning in a wireless communications network
US10148346B1 (en) * 2016-08-04 2018-12-04 Sprint Spectrum L.P. Systems and methods for determining a frequency band for wireless backhaul
EP3504805A4 (en) * 2016-08-29 2020-03-18 Ruckus Wireless, Inc. EFFICIENT RESEARCH IN A GROUP OF ANTENNA DIAGRAMS
AU2016428464B2 (en) 2016-11-04 2022-02-17 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Beam measurement method, terminal and network device
US10257012B2 (en) * 2016-12-13 2019-04-09 Samsung Electronics Co., Ltd Apparatus and method for coarse timing and frequency synchronization
CN106712815B (zh) * 2017-01-18 2020-06-19 西安交通大学 一种基于有效期检查的csi反馈开销降低方法
US10651915B2 (en) * 2017-02-03 2020-05-12 Ntt Docomo, Inc. User terminal and radio communication method
US10567134B1 (en) * 2017-02-16 2020-02-18 Quantenna Communications, Inc. WiFi antenna selection with beamforming
US10673652B2 (en) * 2017-03-02 2020-06-02 Futurewei Technologies, Inc. System and method for providing explicit feedback in the uplink
CN108988925B (zh) * 2017-05-05 2021-09-21 华为技术有限公司 无线网络中天线极化方向的指示方法和装置
EP3404843B1 (en) * 2017-05-17 2022-12-07 Mitsubishi Electric R&D Centre Europe B.V. Method for enabling both analog and digital beamforming
JP6586129B2 (ja) * 2017-06-20 2019-10-02 アンリツ株式会社 Ｍｉｍｏ方式システムの試験装置および試験方法
WO2019005997A1 (en) * 2017-06-27 2019-01-03 Intel Corporation METHODS AND APPARATUS FOR SECURING SURVEY SYMBOLS
US10630357B2 (en) 2017-06-30 2020-04-21 Qualcomm Incorporated Wireless personal area network transmit beamforming
WO2019032399A1 (en) * 2017-08-08 2019-02-14 Marvell World Trade Ltd. MULTI-USER TELEMETRY WITH EMPTY DATA PACKETS (NDP)
US10862565B2 (en) * 2017-09-01 2020-12-08 Lg Electronics Inc. Method for supporting beamforming in wireless LAN system and apparatus therefor
WO2019050159A1 (ko) * 2017-09-08 2019-03-14 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보를 보고하기 위한 방법 및 이를 위한 장치
US20190097709A1 (en) * 2017-09-22 2019-03-28 Qualcomm Incorporated Coherent beamforming feedback
US11683833B2 (en) * 2017-09-28 2023-06-20 Qualcomm Incorporated Spatial listen-before-talk (LBT) with channel variation consideration
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
US10459076B2 (en) * 2017-11-15 2019-10-29 Cognitive Systems Corp. Motion detection based on beamforming dynamic information
CN109802712B (zh) * 2017-11-17 2021-08-13 华为技术有限公司 一种用户设备、接入设备和预编码方法
CN109873665B (zh) * 2017-12-01 2021-09-14 华为技术有限公司 数据传输的方法和设备
US11159207B2 (en) * 2018-01-10 2021-10-26 Mediatek Singapore Pte. Ltd. Null data packet sounding for preamble puncture techniques
WO2019156513A1 (ko) * 2018-02-09 2019-08-15 엘지전자 주식회사 무선랜 시스템에서의 신호 송수신 방법 및 이를 위한 장치
US10484063B1 (en) 2018-05-04 2019-11-19 At&T Intellectual Property I, L.P. Transmission of beamforming weight coefficients from digital baseband unit to remote radio unit
KR102517669B1 (ko) * 2018-06-27 2023-04-05 삼성전자주식회사 무선 통신 방법 및 장치
US11206554B2 (en) * 2018-08-06 2021-12-21 Qualcomm Incorporated Joint transmissions to a station
US10367568B1 (en) 2018-08-08 2019-07-30 At&T Intellectual Property I, L.P. Determining precoding coefficients for fronthaul links in a cloud radio access network
CN110535496B (zh) * 2018-08-10 2022-05-03 中兴通讯股份有限公司 Csi处理及获取方法、装置、设备、系统及存储介质
KR102096031B1 (ko) 2018-08-28 2020-04-01 고려대학교 산학협력단 상향 링크 mu-mimo에서의 직교성 기반 데이터 전송 방법
MX2021002304A (es) 2018-08-29 2021-04-28 Fraunhofer Ges Forschung Receptor, transmisor, sistema y metodo que emplean precodificacion de retardo espacial.
US10998944B2 (en) * 2018-09-14 2021-05-04 Samsung Electronics Co., Ltd. System and method for applying smoothed beamforming
US10588089B1 (en) * 2018-09-21 2020-03-10 Qualcomm Incorporated Mitigation of calibration errors
US10840986B2 (en) * 2018-09-28 2020-11-17 Mediatek Inc. Enhanced type II channel state information in mobile communications
WO2020069459A1 (en) * 2018-09-28 2020-04-02 Nokia Technologies Oy Joint orthogonal compression and quantization for type ii channel state information feedback
WO2020062017A1 (en) 2018-09-28 2020-04-02 Qualcomm Incorporated Channel state information (csi) with spatial and time domain compression
US10833750B2 (en) * 2018-09-28 2020-11-10 Apple Inc. Codebook updates for a linear system using superposition
US11349533B2 (en) * 2018-09-28 2022-05-31 Apple Inc. Dynamic antenna weight vector codebooks
US11101867B2 (en) * 2018-10-09 2021-08-24 Mediatek Singapore Pte. Ltd. Reducing beamforming feedback size in WLAN communication
US11362776B2 (en) 2018-11-04 2022-06-14 Semiconductor Components Industries, Llc Early link detection based adaptive selection of receive parameters
KR102016112B1 (ko) * 2019-01-15 2019-08-30 넥서스텍(주) 다중 릴레이의 빔포밍 제어 장치 및 방법
US12408042B2 (en) * 2019-02-27 2025-09-02 Northeastern University Method for spectrum sharing by primary and secondary networks based on cognitive beamforming
DE102019117402B3 (de) * 2019-03-15 2020-07-02 Samsung Electronics Co., Ltd. Vorrichtung und Verfahren für eine nichtiterative Singulärwertzerlegung
US10979122B2 (en) * 2019-03-21 2021-04-13 Samsung Electronics Co., Ltd. Wireless communication apparatus for adaptive beamforming and method of operation thereof
US10680693B1 (en) 2019-04-09 2020-06-09 Apple Inc. Radio frequency beamforming calibration systems and methods
KR102240425B1 (ko) 2019-04-30 2021-04-15 중앙대학교 산학협력단 고밀도 ieee 802.11ax iot 네트워크에서 간섭을 고려한 적응적 빔 얼라인먼트 기법 및 그 기법을 사용하는 sta
US12256392B2 (en) * 2019-05-10 2025-03-18 Interdigital Patent Holdings, Inc. Efficient uplink resource requests in WLAN systems
CN112748425A (zh) * 2019-10-31 2021-05-04 华为技术有限公司 感知方法及装置
WO2021151855A1 (en) * 2020-01-31 2021-08-05 Nokia Technologies Oy Csi accuracy indicator reporting for mu-mimo broadcast channel
KR102735860B1 (ko) * 2020-03-03 2024-11-28 삼성전자주식회사 빔 송신 장치 및 그 동작 방법
US12199710B2 (en) * 2020-03-19 2025-01-14 Nippon Telegraph And Telephone Corporation Wireless communication method and wireless communication system
EP4173432A4 (en) * 2020-06-30 2024-07-17 Telefonaktiebolaget LM Ericsson (publ.) METHOD AND APPARATUS FOR MULTICAST COMMUNICATION
US11496338B2 (en) 2020-07-14 2022-11-08 Nxp Usa, Inc. Method and apparatus for beamforming
AU2021316062B2 (en) * 2020-07-31 2024-04-04 Cohere Technologies, Inc. Localization and auto-calibration in a wireless network
JP7648743B2 (ja) * 2020-08-18 2025-03-18 華為技術有限公司 ビームフォーミングの技法
EP4205291A4 (en) * 2020-09-02 2023-10-11 Huawei Technologies Co., Ltd. BEAMFORMERS WITH EXTENDED CODEBOOK SIZE
CN112104532B (zh) * 2020-09-10 2022-01-25 中移（杭州）信息技术有限公司 网络连接方法、配网方法、装置、电子设备及存储介质
WO2022179687A1 (en) * 2021-02-25 2022-09-01 Huawei Technologies Co., Ltd. Dl measurement information signaling for improved dl transmissions
CN115118318A (zh) * 2021-03-22 2022-09-27 华为技术有限公司 基于信道状态信息反馈的方法、设备和介质
US11888593B2 (en) 2021-07-21 2024-01-30 Qualcomm Incorporated Scaling and quantization for channel state information reporting
CN114444268B (zh) * 2021-12-29 2024-07-23 中国船舶重工集团公司第七一五研究所 基于波群分析的水底沉积层多层介质声学反射时域响应解析解计算方法
CN114363906B (zh) * 2021-12-29 2024-04-16 鹏城实验室 一种海量节点接入资源分配方法、装置、终端及存储介质
US20250103708A1 (en) * 2022-01-28 2025-03-27 Visa International Service Association System, Method, and Computer Program Product for Energy Efficient Generation of Artificial Noise to Prevent Side-Channel Attacks
KR20250003536A (ko) * 2022-04-27 2025-01-07 엘지전자 주식회사 하향링크 신호를 측정하는 방법 및 이를 위한 장치
CN117042133A (zh) * 2022-04-28 2023-11-10 中兴通讯股份有限公司 一种信令的发送、接收方法，通信节点及存储介质
KR20240002262A (ko) * 2022-06-28 2024-01-05 세종대학교산학협력단 재구성 가능한 지능형 표면 기반 massive MIMO 시스템에서의 채널 상태 정보 전달을 위한 기법
WO2024103045A1 (en) * 2022-11-10 2024-05-16 Maxlinear, Inc. Wireless lan uplink multi-user mimo transmission
WO2025185827A1 (en) * 2024-03-08 2025-09-12 Huawei Technologies Co., Ltd. A method and apparatus for compressed uplink data transmission

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060291544A1 (en) * 2005-06-28 2006-12-28 Broadcom Corporation, A California Corporation Feedback of channel information in a closed loop beamforming wireless communication system
US20070213013A1 (en) * 2006-03-08 2007-09-13 Joonsuk Kim Method and system for utilizing givens rotation to reduce feedback information overhead
TW200915756A (en) * 2007-05-16 2009-04-01 Motorola Inc Method and apparatus for feedback in closed loop transmitting
US20120033592A1 (en) * 2010-08-04 2012-02-09 Broadcom Corporation Explicit feedback format within single user, multiple user, multiple access, and/or MIMO wireless communications
US20120243492A1 (en) * 2008-02-05 2012-09-27 Texas Instruments Incorporated Data and control multiplexing in pusch in wireless networks

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010033622A1 (en) 2000-03-14 2001-10-25 Joengren George Robust utilization of feedback information in space-time coding
CN1841985A (zh) 2005-03-30 2006-10-04 松下电器产业株式会社 多天线系统的有限反馈方法
US7873016B2 (en) * 2005-11-07 2011-01-18 Broadcom Corporation Method and system for utilizing tone grouping with givens rotations to reduce overhead associated with explicit feedback information
CN101388699A (zh) 2007-09-12 2009-03-18 夏普株式会社 基于空时频域的信息反馈方法和系统、用户设备及基站
EP2151941A1 (en) * 2008-08-05 2010-02-10 Nokia Siemens Networks OY Communication network element and method transmitting data
US8737504B2 (en) * 2009-10-05 2014-05-27 Samsung Electronics Co., Ltd. Method and system for feedback of channel information
US8908600B2 (en) * 2010-10-26 2014-12-09 Qualcomm Incorporated Channel state information feedback frame format and feedback rules for very high throughput wireless systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060291544A1 (en) * 2005-06-28 2006-12-28 Broadcom Corporation, A California Corporation Feedback of channel information in a closed loop beamforming wireless communication system
US20070213013A1 (en) * 2006-03-08 2007-09-13 Joonsuk Kim Method and system for utilizing givens rotation to reduce feedback information overhead
TW200915756A (en) * 2007-05-16 2009-04-01 Motorola Inc Method and apparatus for feedback in closed loop transmitting
US20120243492A1 (en) * 2008-02-05 2012-09-27 Texas Instruments Incorporated Data and control multiplexing in pusch in wireless networks
US20120033592A1 (en) * 2010-08-04 2012-02-09 Broadcom Corporation Explicit feedback format within single user, multiple user, multiple access, and/or MIMO wireless communications

Also Published As

Publication number Publication date
IL237939B (en) 2019-03-31
EP4228166A1 (en) 2023-08-16
EP2901569B1 (en) 2023-03-08
US9979446B2 (en) 2018-05-22
IN2015DN02516A (cg-RX-API-DMAC7.html) 2015-09-11
JP2016500942A (ja) 2016-01-14
EP2901569A1 (en) 2015-08-05
TW201419786A (zh) 2014-05-16
HK1213377A1 (en) 2016-06-30
US9680538B2 (en) 2017-06-13
US20140093005A1 (en) 2014-04-03
KR101718403B1 (ko) 2017-03-21
KR20150058471A (ko) 2015-05-28
MY178618A (en) 2020-10-19
CN104737465B (zh) 2018-05-04
CN104737465A (zh) 2015-06-24
US20170257153A1 (en) 2017-09-07
WO2014052879A1 (en) 2014-04-03

Similar Documents

Publication Publication Date Title
TWI750107B (zh) 用於提供波束成形回饋的無線發射/接收單元(wtru)及用於其的方法
US20240405829A1 (en) Unified feedback for ofdma wlan
JP7453263B2 (ja) ｍｍＷＡＶＥ無線ネットワークのシングルユーザハイブリッドＭＩＭＯのためのシステムおよび方法
US20240275446A1 (en) Adaptation of mimo mode in mmw wlan systems
CN102714530B (zh) 用于支持无线通信中的su-mimo和mu-mimo 操作的反馈
US9258070B2 (en) Simultaneous feedback signaling for dynamic bandwidth selection
CN102859894B (zh) 在无线通信系统中反馈信道状态信息的方法和用户设备装置
US20230291441A1 (en) Signaling to aid enhanced nr type ii csi feedback
US20140056204A1 (en) Systems and Methods for Interference Alignment in Wi-Fi
US20250080176A1 (en) Type ii precoder matrix indicator (pmi) enhancement for coherent joint transmission (cjt)
US20220200666A1 (en) High-resolution codebook for distributed mimo transmission
WO2016015225A1 (zh) 一种信道状态信息的反馈和接收方法、设备
WO2017004546A1 (en) Methods and apparatus for channel estimation and precoding based analog channel state information feedback
CN102064919A (zh) 一种信道质量信息的修正方法及装置
CN120111516A (zh) 通信装置及通信方法
HK1213377B (en) Method for wifi beamforming, feedback, and sounding (wibeam)