BR112017004871A2 - coleta de informações sobre o estado do canal para sistema de comunicação sem fio com formação de feixes. - Google Patents

coleta de informações sobre o estado do canal para sistema de comunicação sem fio com formação de feixes.

Info

Publication number
BR112017004871A2
BR112017004871A2 BR112017004871A BR112017004871A BR112017004871A2 BR 112017004871 A2 BR112017004871 A2 BR 112017004871A2 BR 112017004871 A BR112017004871 A BR 112017004871A BR 112017004871 A BR112017004871 A BR 112017004871A BR 112017004871 A2 BR112017004871 A2 BR 112017004871A2
Authority
BR
Brazil
Prior art keywords
collection
channel
information
state
wireless communication
Prior art date
Application number
BR112017004871A
Other languages
English (en)
Inventor
Yu Chia-Hao
Guey Jiann-Ching
Chen Ju-Ya
Chang Ming-Po
Original Assignee
Mediatek Inc
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 Mediatek Inc filed Critical Mediatek Inc
Publication of BR112017004871A2 publication Critical patent/BR112017004871A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using 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
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
BR112017004871A 2014-09-16 2015-09-16 coleta de informações sobre o estado do canal para sistema de comunicação sem fio com formação de feixes. BR112017004871A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462050840P 2014-09-16 2014-09-16
US14/854,344 US9853707B2 (en) 2014-09-16 2015-09-15 Channel state information collection for wireless communication system with beamforming
PCT/CN2015/089706 WO2016041492A1 (en) 2014-09-16 2015-09-16 Channel state information collection for wireless communication system with beamforming

Publications (1)

Publication Number Publication Date
BR112017004871A2 true BR112017004871A2 (pt) 2018-07-31

Family

ID=55455861

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017004871A BR112017004871A2 (pt) 2014-09-16 2015-09-16 coleta de informações sobre o estado do canal para sistema de comunicação sem fio com formação de feixes.

Country Status (5)

Country Link
US (1) US9853707B2 (pt)
EP (1) EP3158787B1 (pt)
CN (1) CN106576253B (pt)
BR (1) BR112017004871A2 (pt)
WO (1) WO2016041492A1 (pt)

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WO2017171901A1 (en) * 2016-03-29 2017-10-05 Intel IP Corporation Frame structures for beam switching and refinement in cellular systems
US11522743B2 (en) * 2016-04-27 2022-12-06 Futurewei Technologies, Inc. Sounding reference signal (SRS) design for cellular time division duplex (TDD) mmWave systems
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JP6891419B2 (ja) * 2016-07-29 2021-06-18 ソニーグループ株式会社 端末装置、基地局、方法及び記録媒体
CN107707283B (zh) * 2016-08-08 2020-07-31 中国电信股份有限公司 信道反馈和数据发送方法、基站、用户终端和系统
TWI660601B (zh) * 2016-08-12 2019-05-21 聯發科技股份有限公司 波束形成系統中的波束管理方法與使用者設備
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CN108023622B (zh) * 2016-11-04 2021-07-27 上海朗帛通信技术有限公司 一种用于信道反馈的ue、基站中的方法和装置
US11296770B2 (en) 2016-11-11 2022-04-05 Sony Corporation Communications device, infrastructure equipment and methods
US9900891B1 (en) * 2016-12-20 2018-02-20 Qualcomm Incorporated Fallback beam selection procedure during failure of beam change instruction reception
CN109478920B (zh) * 2016-12-29 2021-02-09 华为技术有限公司 扫描波束的方法、终端设备和网络设备
US20180227772A1 (en) * 2017-02-06 2018-08-09 Mediatek Inc. Mechanism for Beam Reciprocity Determination and Uplink Beam Management
US11363663B2 (en) * 2017-02-24 2022-06-14 Qualcomm Incorporated Uplink beam, downlink beam, and radio link monitoring
US10382114B2 (en) * 2017-03-16 2019-08-13 Telefonaktiebolaget Lm Ericsson (Publ) Configuration of reception of beam reports
KR102373474B1 (ko) * 2017-03-23 2022-03-11 삼성전자주식회사 무선 통신 시스템에서 데이터를 전송하기 위한 장치 및 방법
CN112260732B (zh) * 2017-03-24 2022-08-16 维沃移动通信有限公司 一种波束处理方法、基站及终端
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Also Published As

Publication number Publication date
US20160080060A1 (en) 2016-03-17
CN106576253A (zh) 2017-04-19
EP3158787A1 (en) 2017-04-26
EP3158787B1 (en) 2019-06-26
US9853707B2 (en) 2017-12-26
EP3158787A4 (en) 2018-02-28
CN106576253B (zh) 2020-04-10
WO2016041492A1 (en) 2016-03-24

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements