JP6614973B2 - ミリ波システムにおけるチャネル微細調整及び多重ストリーム送信をサポートするための方法及び装置 - Google Patents

ミリ波システムにおけるチャネル微細調整及び多重ストリーム送信をサポートするための方法及び装置 Download PDF

Info

Publication number
JP6614973B2
JP6614973B2 JP2015527369A JP2015527369A JP6614973B2 JP 6614973 B2 JP6614973 B2 JP 6614973B2 JP 2015527369 A JP2015527369 A JP 2015527369A JP 2015527369 A JP2015527369 A JP 2015527369A JP 6614973 B2 JP6614973 B2 JP 6614973B2
Authority
JP
Japan
Prior art keywords
base station
terminal
reference signal
channel
mobile station
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.)
Expired - Fee Related
Application number
JP2015527369A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015532039A5 (enExample
JP2015532039A (ja
Inventor
カウシク・モラパッカム・ジョサイアム
リチャード・スターリング−ギャラチャー
ジョウユエ・ピー
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
Publication of JP2015532039A publication Critical patent/JP2015532039A/ja
Publication of JP2015532039A5 publication Critical patent/JP2015532039A5/ja
Application granted granted Critical
Publication of JP6614973B2 publication Critical patent/JP6614973B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0617Diversity 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0626Channel coefficients, e.g. channel state information [CSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/063Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0632Channel quality parameters, e.g. channel quality indicator [CQI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0636Feedback format
    • H04B7/0639Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2015527369A 2012-08-13 2013-08-13 ミリ波システムにおけるチャネル微細調整及び多重ストリーム送信をサポートするための方法及び装置 Expired - Fee Related JP6614973B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261682679P 2012-08-13 2012-08-13
US61/682,679 2012-08-13
US13/963,746 2013-08-09
US13/963,746 US9439096B2 (en) 2012-08-13 2013-08-09 Method and apparatus to support channel refinement and multi-stream transmission in millimeter wave systems
PCT/KR2013/007287 WO2014027824A1 (en) 2012-08-13 2013-08-13 Method and apparatus to support channel refinement and multi-stream transmission in millimeter wave systems

Publications (3)

Publication Number Publication Date
JP2015532039A JP2015532039A (ja) 2015-11-05
JP2015532039A5 JP2015532039A5 (enExample) 2016-09-29
JP6614973B2 true JP6614973B2 (ja) 2019-12-04

Family

ID=50066137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015527369A Expired - Fee Related JP6614973B2 (ja) 2012-08-13 2013-08-13 ミリ波システムにおけるチャネル微細調整及び多重ストリーム送信をサポートするための方法及び装置

Country Status (6)

Country Link
US (1) US9439096B2 (enExample)
EP (1) EP2883381B1 (enExample)
JP (1) JP6614973B2 (enExample)
KR (1) KR102100462B1 (enExample)
CN (1) CN104541540B (enExample)
WO (1) WO2014027824A1 (enExample)

Families Citing this family (103)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101855523B1 (ko) * 2011-10-06 2018-05-04 삼성전자주식회사 통신 시스템에서 피드백 생성 방법 및 장치
CN102916735B (zh) * 2012-10-17 2016-06-08 东南大学 利用大规模天线阵列的无线通信方法
US9801232B2 (en) * 2013-04-15 2017-10-24 Idac Holdings, Inc. Discontinuous reception (DRX) schemes for millimeter wavelength (MMW) dual connectivity
FR3008265B1 (fr) * 2013-07-02 2015-07-03 Bluwan Systeme de production de faisceaux directifs multi liens simultanes
CA2927061C (en) * 2013-11-25 2019-07-02 Huawei Technologies Co., Ltd. Communications system and method, and device
KR102172442B1 (ko) 2014-02-19 2020-10-30 삼성전자주식회사 우선 순위를 갖는 송신 빔 인덱스 선택 및 할당 방법 및 장치
JP2015159356A (ja) * 2014-02-21 2015-09-03 富士通株式会社 無線通信システム、無線通信制御方法、及び、アクセスポイント
JP6482179B2 (ja) * 2014-03-20 2019-03-13 株式会社Nttドコモ ユーザ装置及び基地局
WO2015154283A1 (zh) 2014-04-10 2015-10-15 华为技术有限公司 一种报告信道状态信息的方法、用户设备和基站
RU2649416C1 (ru) * 2014-04-28 2018-04-03 Хуавэй Текнолоджиз Ко., Лтд. Способ многоантенной передачи данных, базовая станция, пользовательское оборудование и система
WO2015176275A1 (zh) * 2014-05-22 2015-11-26 华为技术有限公司 数据发送、接收方法及装置
KR102258289B1 (ko) * 2014-05-22 2021-05-31 삼성전자 주식회사 이차원 배열 안테나를 사용하는 이동통신 시스템에서의 채널 피드백의 생성 및 전송 방법 및 장치
US9954590B2 (en) 2014-05-23 2018-04-24 Mediatek Inc. Methods for efficient beam training and communications apparatus and network control device utilizing the same
US9876549B2 (en) * 2014-05-23 2018-01-23 Mediatek Inc. Methods for efficient beam training and communications apparatus and network control device utilizing the same
US20150341105A1 (en) * 2014-05-23 2015-11-26 Mediatek Inc. Methods for efficient beam training and communications apparatus and network control device utilizing the same
US9413474B2 (en) * 2014-06-12 2016-08-09 Nec Corporation Efficient large-scale multiple input multiple output communications
KR102367885B1 (ko) * 2014-07-03 2022-02-25 엘지전자 주식회사 밀리미터웨이브를 지원하는 무선접속시스템에서 새로운 상향링크 참조신호 전송 방법 및 장치
US9337969B2 (en) 2014-07-16 2016-05-10 Qualcomm Incorporated Low-frequency assisted methods for beamforming, timing and frequency offset in mm-wave access systems
WO2016013698A1 (ko) * 2014-07-24 2016-01-28 엘지전자 주식회사 피드백 신호를 전송하는 방법 및 장치
US9681309B2 (en) 2014-08-05 2017-06-13 Qualcomm Incorporated Methods exploiting asymmetric capabilities for contention-based random access in mm-wave access systems
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
US9698889B2 (en) * 2014-09-24 2017-07-04 Intel Corporation Scheduling in a multiple user multiple-input and multiple output communications network
US9578644B2 (en) 2014-09-26 2017-02-21 Mediatek Inc. Beam misalignment detection for wireless communication system with beamforming
US10476563B2 (en) 2014-11-06 2019-11-12 Futurewei Technologies, Inc. System and method for beam-formed channel state reference signals
GB2532067A (en) * 2014-11-07 2016-05-11 Nec Corp Communication system
CN107005298B (zh) 2014-12-02 2021-05-14 Lg 电子株式会社 在无线通信系统中基于混合波束成形发送控制信道的方法和设备
KR101907053B1 (ko) * 2014-12-30 2018-10-11 후아웨이 테크놀러지 컴퍼니 리미티드 채널 공간 특성 정보를 취득하는 방법 및 기지국
US20160219633A1 (en) * 2015-01-26 2016-07-28 Qualcomm Incorporated Apparatuses and methods for utilizing unidirectional antennas to ameliorate peer-to-peer device interference
JP6478304B2 (ja) 2015-01-30 2019-03-06 華為技術有限公司Huawei Technologies Co.,Ltd. 通信システムおよび装置におけるフィードバック情報伝送方法
WO2016138655A1 (en) * 2015-03-05 2016-09-09 Mediatek (Beijing) Inc. Methods and apparatus for cell selection/reselection in millimeter wave system
CN107466461B (zh) * 2015-03-27 2021-04-02 瑞典爱立信有限公司 用于为信道状态信息参考信号传送选择波束参考信号的系统和方法
US10484899B2 (en) 2015-04-06 2019-11-19 Lg Electronics Inc. Mobility management for high speed user equipment
CN106160807A (zh) * 2015-04-09 2016-11-23 株式会社Ntt都科摩 波束选择方法、移动台和基站
CN107836089B (zh) * 2015-04-15 2021-05-11 梁平 混合波束成形多天线无线系统
WO2016165128A1 (zh) * 2015-04-17 2016-10-20 华为技术有限公司 传输信息的方法、基站和用户设备
WO2017007502A1 (en) * 2015-07-08 2017-01-12 Intel IP Corporation User equipment (ue) and methods for communication using directional transmission and reception
KR102109606B1 (ko) * 2015-07-16 2020-05-12 에스케이텔레콤 주식회사 빔포밍 기반 무선 백홀 형성 방법, 이를 위한 장치
US10306597B2 (en) * 2015-07-21 2019-05-28 Samsung Electronics Co., Ltd. Method and apparatus for beam-level radio resource management and mobility in cellular network
US10211964B2 (en) * 2015-07-29 2019-02-19 Samsung Electronics Co., Ltd. Method and apparatus for CSI reporting
CN112566276B (zh) 2015-08-06 2024-03-15 瑞典爱立信有限公司 基于监听的传输的方法和装置
US10931353B2 (en) * 2015-08-21 2021-02-23 Lg Electronics Inc. Method for transmitting or receiving channel state information in wireless communication system and apparatus therefor
CN106559164B (zh) * 2015-09-18 2020-10-30 上海诺基亚贝尔股份有限公司 在mmw网络中执行用户信息反馈的方法和装置
CN108370303B (zh) * 2015-10-22 2022-03-08 瑞典爱立信有限公司 与无线电信号的选择性增强有关的方法和设备
CN106686620B (zh) * 2015-11-06 2021-06-22 索尼公司 无线通信设备和无线通信方法
US10595322B2 (en) * 2015-11-23 2020-03-17 Qualcomm Incorporated Beamforming and user equipment grouping
US10187880B2 (en) * 2015-12-18 2019-01-22 Futurewei Technologies, Inc. System and method for transmission and reception of control and data channels with group reference signal
US10524150B2 (en) 2016-01-14 2019-12-31 Samsung Electronics Co., Ltd. Method and apparatus for generating cell measurement information in a wireless communication system
KR20170085426A (ko) * 2016-01-14 2017-07-24 삼성전자주식회사 무선 통신 시스템에서 셀 측정 정보 생성 방법 및 장치
US10270514B2 (en) 2016-01-14 2019-04-23 Samsung Electronics Co., Ltd. Method and apparatus for generating beam measurement information in a wireless communication system
CN106998231A (zh) * 2016-01-26 2017-08-01 中国科学院上海微系统与信息技术研究所 一种基于rs/ldpc编码技术的太赫兹通信系统
WO2017136761A1 (en) * 2016-02-03 2017-08-10 Docomo Innocations, Inc. User equipment and method for selection of csi reference signal and csi reporting in a beam forming system with multiple beams
US20190123798A1 (en) * 2016-03-10 2019-04-25 Interdigital Patent Holdings, Inc. CONCURRENT MIMO BEAMFORMING TRAINING IN mmW WLAN SYSTEMS
US10284267B2 (en) * 2016-03-11 2019-05-07 Huawei Technologies Canada Co., Ltd. System and method for reducing self-interference in a wireless resource
US10812163B2 (en) 2016-04-01 2020-10-20 Apple Inc. CSI (channel state information) enhancements for FD (full dimension)-MIMO (multiple input multiple output)
WO2017180485A1 (en) * 2016-04-11 2017-10-19 Ping Liang A hybrid beamforming method for wireless multi-antenna and frequency-division duplex systems
US10615862B2 (en) 2016-04-13 2020-04-07 Qualcomm Incorporated System and method for beam adjustment request
US11088747B2 (en) 2016-04-13 2021-08-10 Qualcomm Incorporated System and method for beam management
US10425200B2 (en) * 2016-04-13 2019-09-24 Qualcomm Incorporated System and method for beam adjustment request
US10237857B2 (en) * 2016-04-19 2019-03-19 Qualcomm Incorporated Beam reference signal based narrowband channel measurement and CQI reporting
US10292168B2 (en) * 2016-04-29 2019-05-14 Corning Optical Communications LLC Allocating digital channels associated with communications signals into assigned spectrum chunks in a wireless distribution system (WDS) based on determined utilization of processing resources
CN107370556A (zh) * 2016-05-12 2017-11-21 株式会社Ntt都科摩 信道质量反馈方法、用户终端、信道质量测量的控制方法及基站
WO2017193331A1 (en) * 2016-05-12 2017-11-16 Qualcomm Incorporated Hybrid class b fd-mimo
US20170338925A1 (en) * 2016-05-20 2017-11-23 National Taiwan University Scheduling method of communication system using directional reference signals and related apparatuses using the same
WO2017206100A1 (en) * 2016-06-01 2017-12-07 Intel IP Corporation Cqi reporting for flexible transmission mode switching
WO2017214988A1 (en) * 2016-06-17 2017-12-21 Lenovo Innovations Limited (Hong Kong) Apparatuses and methods for channel coefficient estimation
CN107733513B (zh) 2016-08-12 2022-12-20 大唐移动通信设备有限公司 一种下行接收波束训练信号的传输方法及装置
CN106452674B (zh) * 2016-09-30 2019-04-12 西安交通大学 一种基于802.11ac网络的实际数据包恢复方法
CN109845127A (zh) * 2016-10-05 2019-06-04 杜塞尔多夫华为技术有限公司 频谱有效的多流通信设备和方法
US10305567B2 (en) * 2016-11-03 2019-05-28 Futurewei Technologies, Inc. System and method for hierarchal beamforming and rank adaptation for hybrid antenna architecture
CN108023628B (zh) * 2016-11-04 2021-08-20 华为技术有限公司 终端设备移动性的处理方法、终端设备和基站
US10582397B2 (en) * 2016-11-09 2020-03-03 Qualcomm Incorporated Beam refinement reference signal transmissions during control symbol
US10154496B2 (en) 2016-11-10 2018-12-11 Futurewei Technologies, Inc. System and method for beamformed reference signals in three dimensional multiple input multiple output communications systems
KR20190084265A (ko) * 2016-11-16 2019-07-16 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 업링크 신호의 전송 방법 및 장치
US10164699B2 (en) * 2016-12-28 2018-12-25 Intel IP Corporation CSI reporting in beamforming systems via time- and frequency-distributed CSI estimation
CN108282806B (zh) * 2017-01-05 2023-10-24 华为技术有限公司 一种信号测量方法、网络侧设备及用户设备
CN108282321B (zh) 2017-01-06 2022-03-29 华为技术有限公司 一种信息指示的方法、网络设备和终端设备
US10425878B2 (en) * 2017-01-09 2019-09-24 Qualcomm Incorporated Techniques to identify sets of multiple beams compatible with configurations for routing signals in a user equipment
WO2018128522A1 (ko) * 2017-01-09 2018-07-12 엘지전자 주식회사 무선 통신 시스템에서 빔 관리를 위한 csi-rs 설정 방법 및 장치
CN110226292A (zh) * 2017-01-24 2019-09-10 瑞典爱立信有限公司 多天线通信系统中的信道状态信息的管理
US11272429B2 (en) 2017-02-13 2022-03-08 Qualcomm Incorporated Initiation of mobility reference signal based on quality of initial access signals
KR102787023B1 (ko) * 2017-02-21 2025-03-31 삼성전자주식회사 무선 통신 시스템에서 송신 전력 제어 방법 및 장치
CN108667500B (zh) * 2017-03-30 2021-02-09 华为技术有限公司 数据传输方法、终端设备和网络设备
CN109004958B (zh) * 2017-06-06 2021-05-25 财团法人工业技术研究院 用户设备及其操作方法,网络装置及其操作方法
US10425901B2 (en) * 2017-06-26 2019-09-24 Qualcomm Incorporated Uplink transmit power control during random access procedures
KR102506475B1 (ko) 2017-08-31 2023-03-06 삼성전자 주식회사 이동 통신 시스템에서의 csi-rs 자원 반복 전송 지원 방법 및 장치
WO2019056182A1 (en) * 2017-09-19 2019-03-28 Intel Corporation ASSISTED BEAM BEAM ACQUISITION BY BEAM ESTIMATION
US10306419B2 (en) 2017-09-29 2019-05-28 Abl Ip Holding Llc Device locating using angle of arrival measurements
US10425214B2 (en) * 2017-10-11 2019-09-24 Skyriver Communications, Inc. Method and apparatus for millimeter-wave hybrid beamforming to form subsectors
CN108092929B (zh) * 2017-12-27 2020-07-28 北京理工大学 一种用于太赫兹通信的同步方法
US11496273B2 (en) * 2018-04-02 2022-11-08 Lg Electronics Inc. Method for transmitting and receiving channel state information in wireless communication system and apparatus therefor
US10484266B2 (en) * 2018-04-12 2019-11-19 Citrix Systems, Inc. Leveraging multi-stream transport protocol capabilities for routing
KR102429756B1 (ko) * 2018-11-23 2022-08-05 한국전자통신연구원 빔 기반 협력 전송을 위한 계층적 하이브리드 빔포밍 방법 및 이를 위한 장치
US10833736B2 (en) * 2018-11-23 2020-11-10 Electronics And Telecommunications Research Institute Hybrid beamforming method for beam-based cooperative transmission, and apparatus for the same
KR102811191B1 (ko) 2018-12-26 2025-05-22 삼성전자주식회사 무선 통신 시스템에서 방향을 추정하기 위한 장치 및 방법
CN111385006A (zh) * 2018-12-27 2020-07-07 财团法人工业技术研究院 毫米波信道估测方法
US10708090B1 (en) * 2018-12-27 2020-07-07 Industrial Technology Research Institute Millimeter wave channel estimation method
KR102654401B1 (ko) * 2019-10-24 2024-04-03 한국전자통신연구원 클라우드 무선 액세스 네트워크 시스템에서 통신 방법 및 장치
US11323164B2 (en) * 2019-10-24 2022-05-03 Electronics And Telecommunications Research Institute Communication method and apparatus in cloud radio access 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
EP4091355A4 (en) * 2020-02-12 2023-10-04 Nokia Solutions and Networks Oy Communication system
US11171709B1 (en) * 2020-06-01 2021-11-09 Hsueh-Jyh Li Millimeter wave base station antenna system
KR102326689B1 (ko) * 2021-02-03 2021-11-16 한국과학기술원 밀리미터파 대역 다중 안테나 시스템의 고해상도 채널 파라미터 추정 방법 및 장치
US11342973B1 (en) * 2021-10-19 2022-05-24 King Faisal University System and method for maintaining link communications in millimeter wave cellular networks

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003244054A (ja) * 2002-02-21 2003-08-29 Ntt Docomo Inc 送信制御装置及び送信制御方法
US7043274B2 (en) * 2002-06-28 2006-05-09 Interdigital Technology Corporation System for efficiently providing coverage of a sectorized cell for common and dedicated channels utilizing beam forming and sweeping
EP2022134B1 (en) * 2006-04-27 2017-01-18 Tyco Electronics Services GmbH Antennas, devices and systems based on metamaterial structures
KR101414616B1 (ko) 2007-10-18 2014-07-03 엘지전자 주식회사 무선접속 시스템에서 단말에 할당된 무선자원 모드를전환하는 방법
JP5275835B2 (ja) * 2008-02-05 2013-08-28 パナソニック株式会社 基地局装置、端末装置および無線通信システム
US8280445B2 (en) * 2008-02-13 2012-10-02 Samsung Electronics Co., Ltd. System and method for antenna training of beamforming vectors by selective use of beam level training
KR101414632B1 (ko) 2008-03-06 2014-07-03 엘지전자 주식회사 단말의 릴레이를 통한 통신 방법 및 릴레이 시스템의 통신방법
KR101507088B1 (ko) * 2008-03-21 2015-03-30 삼성전자주식회사 다중 입출력 무선통신 시스템에서 상향링크 빔 성형 및 공간분할 다중 접속 장치 및 방법
WO2009137092A1 (en) * 2008-05-09 2009-11-12 Nortel Networks Limited System and method for supporting antenna beamforming in a cellular network
WO2010002734A2 (en) * 2008-06-30 2010-01-07 Interdigital Patent Holdings, Inc. Method and apparatus to support single user (su) and multiuser (mu) beamforming with antenna array groups
US9755705B2 (en) * 2008-08-07 2017-09-05 Qualcomm Incorporated Method and apparatus for supporting multi-user and single-user MIMO in a wireless communication system
EP2166808B1 (en) * 2008-09-19 2011-06-01 Alcatel Lucent Method for building sets of mobile stations in MIMO systems, corresponding mobile station, base station, operation and maintenance centre and radio communication network
US8767843B2 (en) * 2008-11-10 2014-07-01 Motorola Mobility Llc Employing cell-specific and user entity-specific reference symbols in an orthogonal frequency-division multiple access
KR20100053417A (ko) * 2008-11-11 2010-05-20 엘지전자 주식회사 다중입력다중출력 시스템에서 신호 전송 방법 및 신호 수신 방법
US8750253B2 (en) * 2008-12-18 2014-06-10 Telefonaktiebolaget L M Ericsson (Publ) System for wireless communication and a method for providing wireless communication
JP4858555B2 (ja) * 2009-02-19 2012-01-18 ソニー株式会社 通信装置、通信方法、および通信システム
US8649456B2 (en) * 2009-03-12 2014-02-11 Futurewei Technologies, Inc. System and method for channel information feedback in a wireless communications system
CN101873601A (zh) 2009-04-27 2010-10-27 松下电器产业株式会社 在无线通信系统中设置参考信号的方法以及系统
US8379592B2 (en) * 2009-04-28 2013-02-19 Futurewei Technologies, Inc. System and method for coordinating electronic devices in a wireless communications system
KR101710394B1 (ko) * 2009-05-08 2017-02-27 엘지전자 주식회사 기준 신호에 대한 채널 정보를 전송하는 방법 및 장치
JP5051935B2 (ja) * 2009-06-16 2012-10-17 シャープ株式会社 基地局装置、端末装置、方法および通信システム
CN102804896B (zh) 2009-06-18 2016-08-10 夏普株式会社 移动通信系统、基站装置、移动站装置和移动通信方法
KR101715939B1 (ko) * 2009-06-18 2017-03-14 엘지전자 주식회사 채널 상태 정보 피드백 방법 및 장치
JP2011004212A (ja) 2009-06-19 2011-01-06 Sharp Corp 送信装置、受信装置、通信システムおよび通信方法
US8599708B2 (en) 2010-01-14 2013-12-03 Qualcomm Incorporated Channel feedback based on reference signal
JP5785389B2 (ja) * 2010-12-10 2015-09-30 シャープ株式会社 通信装置、通信システム、通信方法、及びプロセッサ
US9252930B2 (en) 2011-01-07 2016-02-02 Futurewei Technologies, Inc. Reference signal transmission and reception method and equipment
US8731579B2 (en) 2011-01-13 2014-05-20 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced angle-of-arrival positioning
KR101847400B1 (ko) 2011-09-01 2018-04-10 삼성전자주식회사 무선 통신 시스템에서 최적의 빔을 선택하기 위한 장치 및 방법
US9712213B2 (en) * 2012-01-27 2017-07-18 Mitsubishi Electric Corporation Mobile communication system
US9100146B2 (en) * 2012-03-08 2015-08-04 Alcatel Lucent Virtual sectorization using an active anntenna array

Also Published As

Publication number Publication date
EP2883381B1 (en) 2020-01-01
EP2883381A1 (en) 2015-06-17
KR20150043310A (ko) 2015-04-22
EP2883381A4 (en) 2016-04-06
KR102100462B1 (ko) 2020-05-15
CN104541540A (zh) 2015-04-22
US20140044044A1 (en) 2014-02-13
JP2015532039A (ja) 2015-11-05
US9439096B2 (en) 2016-09-06
WO2014027824A1 (en) 2014-02-20
CN104541540B (zh) 2018-11-30

Similar Documents

Publication Publication Date Title
JP6614973B2 (ja) ミリ波システムにおけるチャネル微細調整及び多重ストリーム送信をサポートするための方法及び装置
JP7359808B2 (ja) セルラ時分割複信(tdd)ミリ波システムのためのサウンディング参照信号(srs)設計
KR102372183B1 (ko) 무선 시스템에서 빔 측정 및 관리를 위한 방법 및 장치
KR102052635B1 (ko) 다중 안테나를 갖는 이동 통신 시스템에서 상향링크 채널 사운딩 및 채널 상태 정보 추정
KR102256695B1 (ko) 밀리미터 웨이브 통신 시스템들에서 사운딩 채널 동작을 위한 방법들 및 장치들
KR102193357B1 (ko) 무선 통신 시스템의 하이브리드 프리코딩 제공 방법 및 그 전자 장치
US20190199379A1 (en) Methods and Devices for Determination of Beamforming Information
US20220232573A1 (en) Method and apparatus for indication of ul parameters in tci state
US20170222710A1 (en) Trigger frame for changing modes of operation
US10972324B2 (en) Dual receiver for millimeter wave communications
US20170085396A1 (en) Dynamic smoothing based on channel flatness detection
US20180324801A1 (en) Access point managed channel correlation for mu-mimo
CN117044359A (zh) 用于在小区间系统中接收下行链路信道的方法和装置
CN114514705A (zh) 用于管理波束成形器设备的波束成形上行传输的技术
US20180269943A1 (en) Wideband sector sweep using wideband training (trn) field
KR20250044864A (ko) 간섭 무작위화를 위한 srs 향상
US9655135B2 (en) Robust systematic multi-user (MU) grouping and scheduling
US10159087B2 (en) Channel state information framework for advanced receivers
US10743290B2 (en) Coordinated uplink (UL) multi-user multiple-input-multiple-output (MU-MIMO) communication
US12506524B2 (en) System and method for user equipment assisted over-the-air calibration
US12132547B2 (en) Method and apparatus for user selection in distributed MIMO
KR20250091246A (ko) 다중-trp 코히런트 공동 전송을 위한 csi를 다중화하기 위한 방법 및 장치
CN119948814A (zh) 在用于蜂窝通信的高级mimo天线系统中估计信道状态信息的方法和装置
CN119836755A (zh) 用于空间域基函数细化的技术
CN119999127A (zh) 发送端口校准

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160808

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20160808

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20170623

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170703

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20171003

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20180326

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180726

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20180803

A912 Re-examination (zenchi) completed and case transferred to appeal board

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20181019

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190820

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20191105

R150 Certificate of patent or registration of utility model

Ref document number: 6614973

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees