TW201130249A - Method and apparatus for facilitating multi-user joint transmit-receive beamforming - Google Patents

Method and apparatus for facilitating multi-user joint transmit-receive beamforming

Info

Publication number
TW201130249A
TW201130249A TW099120871A TW99120871A TW201130249A TW 201130249 A TW201130249 A TW 201130249A TW 099120871 A TW099120871 A TW 099120871A TW 99120871 A TW99120871 A TW 99120871A TW 201130249 A TW201130249 A TW 201130249A
Authority
TW
Taiwan
Prior art keywords
receive beamforming
access terminals
user joint
facilitating multi
joint transmit
Prior art date
Application number
TW099120871A
Other languages
English (en)
Inventor
Ji-Lei Hou
Jing-Hu Chen
John E Smee
Joseph B Soriaga
Navid Hassanpour Ghady
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW201130249A publication Critical patent/TW201130249A/zh

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
    • H04B7/0413—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
    • H04B7/06—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
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
TW099120871A 2009-06-26 2010-06-25 Method and apparatus for facilitating multi-user joint transmit-receive beamforming TW201130249A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/492,657 US8503360B2 (en) 2009-06-26 2009-06-26 Method and apparatus for facilitating multi-user joint transmit-receive beamforming

Publications (1)

Publication Number Publication Date
TW201130249A true TW201130249A (en) 2011-09-01

Family

ID=43063957

Family Applications (1)

Application Number Title Priority Date Filing Date
TW099120871A TW201130249A (en) 2009-06-26 2010-06-25 Method and apparatus for facilitating multi-user joint transmit-receive beamforming

Country Status (7)

Country Link
US (1) US8503360B2 (zh)
EP (1) EP2446547B1 (zh)
JP (1) JP5651691B2 (zh)
KR (1) KR101331651B1 (zh)
CN (1) CN102460995B (zh)
TW (1) TW201130249A (zh)
WO (1) WO2010151701A1 (zh)

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HUE049021T2 (hu) * 2012-09-12 2020-08-28 Guangdong Oppo Mobile Telecommunications Corp Ltd Eljárás hálózati csomópontban, eljárás felhasználói készülékben, hálózati csomópont és felhasználói készülék nyalábjelölt kiválasztására
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JP6259354B2 (ja) * 2014-05-15 2018-01-10 日本電信電話株式会社 空間多重スケジューリング方法、基地局装置及びプログラム
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KR20170108007A (ko) 2014-12-22 2017-09-26 후아웨이 테크놀러지 컴퍼니 리미티드 지시 정보 전송 방법 및 장치
KR102056746B1 (ko) 2014-12-22 2019-12-17 후아웨이 테크놀러지 컴퍼니 리미티드 지시 정보를 전송하는 방법 및 장치
JP6298927B2 (ja) * 2015-03-30 2018-03-20 株式会社東芝 ワイヤレス通信方法および装置
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CN104954436A (zh) * 2015-05-04 2015-09-30 余凤莲 一种基于分布式传输的性能提高方法
CN104955160A (zh) * 2015-05-04 2015-09-30 余凤莲 一种基于分布式传输的性能提高系统
US10972155B2 (en) * 2015-11-25 2021-04-06 Hewlett Packard Enterprise Development Lp Access point selection
CN105490979A (zh) * 2015-11-26 2016-04-13 杨荣 一种ofdm通信方法
CN105515626A (zh) * 2015-12-07 2016-04-20 杨荣 一种基于分布式处理的ofdm通信方法
CN105553523A (zh) * 2015-12-07 2016-05-04 杨荣 一种基于分布式处理的ofdm通信系统
CN109792276B (zh) * 2016-09-30 2023-01-10 瑞典爱立信有限公司 相干带宽自适应csi报告
CN110741566B (zh) * 2017-06-16 2022-07-15 瑞典爱立信有限公司 用于mu-mimo操作的无线接入网络中的测量报告
US10686502B1 (en) 2019-04-29 2020-06-16 XCOM Labs, Inc. Downlink user equipment selection
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Also Published As

Publication number Publication date
JP2012531823A (ja) 2012-12-10
CN102460995B (zh) 2015-06-17
JP5651691B2 (ja) 2015-01-14
US20100329369A1 (en) 2010-12-30
CN102460995A (zh) 2012-05-16
EP2446547A1 (en) 2012-05-02
KR101331651B1 (ko) 2013-11-20
EP2446547B1 (en) 2017-03-22
KR20120033340A (ko) 2012-04-06
US8503360B2 (en) 2013-08-06
WO2010151701A1 (en) 2010-12-29

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