JP5113239B2 - 通信ネットワークに関する方法および構成 - Google Patents

通信ネットワークに関する方法および構成 Download PDF

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Publication number
JP5113239B2
JP5113239B2 JP2010500872A JP2010500872A JP5113239B2 JP 5113239 B2 JP5113239 B2 JP 5113239B2 JP 2010500872 A JP2010500872 A JP 2010500872A JP 2010500872 A JP2010500872 A JP 2010500872A JP 5113239 B2 JP5113239 B2 JP 5113239B2
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mimo
mode
user
modes
preparation phase
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JP2010523041A (ja
JP2010523041A5 (enExample
Inventor
カツミ、ムハマド
リャオ、ジンイ
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テレフオンアクチーボラゲット エル エム エリクソン（パブル）
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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
    • H04B7/0452—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
    • H04B7/0417—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
    • H04B7/06—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
    • H04B7/0652—Feedback error handling
    • H04B7/0654—Feedback error handling at the receiver, e.g. antenna verification at mobile station
    • 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
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme

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  • 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)
JP2010500872A 2007-03-26 2008-03-13 通信ネットワークに関する方法および構成 Expired - Fee Related JP5113239B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0700766 2007-03-26
SE0700766-9 2007-03-26
PCT/SE2008/050277 WO2008118067A2 (en) 2007-03-26 2008-03-13 Preparation phase for switching between su-mimo and mu-mimo

Publications (3)

Publication Number Publication Date
JP2010523041A JP2010523041A (ja) 2010-07-08
JP2010523041A5 JP2010523041A5 (enExample) 2011-04-07
JP5113239B2 true JP5113239B2 (ja) 2013-01-09

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JP2010500872A Expired - Fee Related JP5113239B2 (ja) 2007-03-26 2008-03-13 通信ネットワークに関する方法および構成

Country Status (4)

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US (1) US8798012B2 (enExample)
EP (1) EP2127135B1 (enExample)
JP (1) JP5113239B2 (enExample)
WO (1) WO2008118067A2 (enExample)

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US8798012B2 (en) * 2007-03-26 2014-08-05 Telefonaktiebolaget L M Ericsson (Publ) Preparation phase for switching between SU-MIMO and MU-MIMO
CN101743699B (zh) 2007-06-27 2014-05-28 艾利森电话股份有限公司 Su-mimo和mu-mimo之间的模式切换的方法、基站和终端
KR101537591B1 (ko) * 2008-04-07 2015-07-20 엘지전자 주식회사 Ｍｉｍｏ 시스템에서 모드 적응 방법
US8406171B2 (en) * 2008-08-01 2013-03-26 Texas Instruments Incorporated Network MIMO reporting, control signaling and transmission
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CN101754330A (zh) * 2008-12-04 2010-06-23 华为技术有限公司 一种多入多出模式控制方法、设备和系统
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CN101902305B (zh) * 2009-05-25 2013-10-30 富士通株式会社 通信装置、通信方法和基站
US8515363B2 (en) 2009-06-19 2013-08-20 Sharp Kabushiki Kaisha Systems and methods for providing a reduced power amplifier transmission mode
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US9042331B2 (en) * 2009-09-09 2015-05-26 Lg Electronics Inc. Method and apparatus for transmitting control information in WLAN system
EP2561626B1 (en) 2010-04-20 2018-10-03 Telecom Italia S.p.A. Method and system for wireless communications, corresponding network and computer program product
US8824386B2 (en) * 2010-05-05 2014-09-02 Mediatek Inc. Method and system of operating a multi-user system
US8891652B2 (en) 2010-06-24 2014-11-18 Qualcomm Incorporated Structured MIMO codebook
JP5585306B2 (ja) 2010-08-25 2014-09-10 ソニー株式会社 基地局、無線通信装置、無線通信システム、無線通信方法およびプログラム
CN102387593B (zh) 2010-09-06 2014-05-07 电信科学技术研究院 一种采用空分复用接入sdma的通信方法及基站
WO2013139528A1 (en) * 2012-03-23 2013-09-26 Nokia Siemens Networks Oy Methods, devices and computer program products for receiving downlink transmissions from more than one network transceiver device
US8761039B2 (en) * 2012-03-28 2014-06-24 Apple Inc. Adaptive generation of channel quality indicators (CQIs) based on a current communication scenario
WO2013158023A1 (en) * 2012-04-17 2013-10-24 Telefonaktiebolaget L M Ericsson (Publ) Single carrier mode switching in component carrier receiver
KR101972950B1 (ko) * 2012-07-19 2019-04-26 삼성전자 주식회사 무선 통신 시스템에서 다중 빔포밍을 위한 전력제어 방법 및 장치
US20150207602A1 (en) * 2014-01-21 2015-07-23 Qualcomm Incorporated Pilot mapping for mu-mimo
JP5958592B2 (ja) * 2015-04-14 2016-08-02 ソニー株式会社 移動局および基地局
EP3309990B1 (en) * 2015-06-11 2021-01-27 LG Electronics Inc. Reference signal configuration method for v2v communication in wireless communication system, and apparatus therefor
US10135591B2 (en) 2016-08-19 2018-11-20 Qualcomm Incorporated Techniques for improving URLLC communications in new radio
CN109150452B (zh) * 2017-06-16 2021-03-09 电信科学技术研究院 一种指示导频预编码方式的方法、网络侧设备及终端
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Also Published As

Publication number Publication date
EP2127135A4 (en) 2014-01-22
EP2127135A2 (en) 2009-12-02
US20100091743A1 (en) 2010-04-15
EP2127135B1 (en) 2015-01-21
JP2010523041A (ja) 2010-07-08
US8798012B2 (en) 2014-08-05
WO2008118067A2 (en) 2008-10-02
WO2008118067A3 (en) 2008-11-13

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