BR112013001065A2 - método e dispositivo para selecionar terminal de usuário de modo a aprimorar a calibragem de erros de reciprocidade entre uplink e downlink - Google Patents

método e dispositivo para selecionar terminal de usuário de modo a aprimorar a calibragem de erros de reciprocidade entre uplink e downlink

Info

Publication number
BR112013001065A2
BR112013001065A2 BR112013001065A BR112013001065A BR112013001065A2 BR 112013001065 A2 BR112013001065 A2 BR 112013001065A2 BR 112013001065 A BR112013001065 A BR 112013001065A BR 112013001065 A BR112013001065 A BR 112013001065A BR 112013001065 A2 BR112013001065 A2 BR 112013001065A2
Authority
BR
Brazil
Prior art keywords
user terminal
reciprocity error
error calibration
improve uplink
selecting user
Prior art date
Application number
BR112013001065A
Other languages
English (en)
Inventor
Jing Shi
Qinglin Luo
Yan Zhao
Original Assignee
Alcatel Lucent
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 Alcatel Lucent filed Critical Alcatel Lucent
Publication of BR112013001065A2 publication Critical patent/BR112013001065A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

método e dispositivo para selecionar terminal de usuário de modo a aprimorar a calibragem de erros de reciprocidade entre uplink e downlink. a presente invenção refere-se a um método e um dispositivo para selecionar terminal de usuário de modo a aprimorar a calibração para erro de reciprocidade entre uplink e downlink, na finalidade de aprimorar a precisão de calibração para erro de reciprocidade no sistema tdd. em que o método compreende as seguintes etapas: obter informação relacionada á qualidade de canal entre uma pluralidade de primeiros terminais de usuário e uma primeira estação base, em que dita informação relacionada á qualidade do canal é usada para indicar as qualidades do canal entre dita pluralidade de primeiros terminais de usuário e dita primeira estação base; selecionar, pelo menos um primeiro terminal de usuário como um terminal de usuário de calibração para calibrar dito erro de reciprocidade entre uplink e downlin, de acordo com dita informação relacionada á qualidade de canal.
BR112013001065A 2010-07-16 2011-07-15 método e dispositivo para selecionar terminal de usuário de modo a aprimorar a calibragem de erros de reciprocidade entre uplink e downlink BR112013001065A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010229368.7A CN102340784B (zh) 2010-07-16 2010-07-16 选择用户终端以增强上下行互逆误差校准的方法和装置
PCT/IB2011/001867 WO2012007837A1 (en) 2010-07-16 2011-07-15 Method and device for selecting user terminal so as to enhance reciprocity error calibration between uplink and downlink

Publications (1)

Publication Number Publication Date
BR112013001065A2 true BR112013001065A2 (pt) 2016-12-13

Family

ID=45468993

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013001065A BR112013001065A2 (pt) 2010-07-16 2011-07-15 método e dispositivo para selecionar terminal de usuário de modo a aprimorar a calibragem de erros de reciprocidade entre uplink e downlink

Country Status (7)

Country Link
US (1) US9077467B2 (pt)
EP (1) EP2594044B1 (pt)
JP (1) JP5647348B2 (pt)
KR (1) KR101405034B1 (pt)
CN (1) CN102340784B (pt)
BR (1) BR112013001065A2 (pt)
WO (1) WO2012007837A1 (pt)

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US11394436B2 (en) 2004-04-02 2022-07-19 Rearden, Llc System and method for distributed antenna wireless communications
US10425134B2 (en) 2004-04-02 2019-09-24 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US11451275B2 (en) 2004-04-02 2022-09-20 Rearden, Llc System and method for distributed antenna wireless communications
JP5515558B2 (ja) * 2009-09-25 2014-06-11 ソニー株式会社 通信システム、中継装置および通信装置
WO2013167161A1 (en) * 2012-05-07 2013-11-14 Nokia Siemens Networks Oy JOINT ASSIGNMENT AND SCHEDULING FOR OVERLAPPING CoMP CLUSTERS
CN103457651B (zh) * 2012-05-31 2016-08-24 华为技术有限公司 联合通道校正方法、联合通道校正单元及基站
US11190947B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for concurrent spectrum usage within actively used spectrum
US11189917B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for distributing radioheads
US11050468B2 (en) 2014-04-16 2021-06-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
US10194346B2 (en) 2012-11-26 2019-01-29 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10164698B2 (en) 2013-03-12 2018-12-25 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10547358B2 (en) 2013-03-15 2020-01-28 Rearden, Llc Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications
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US20160359718A1 (en) * 2015-06-05 2016-12-08 Litepoint Corporation Method for calibrating an over-the-air (ota) test system for testing multiple radio frequency (rf) data packet signal transceivers
US10033558B2 (en) * 2016-10-04 2018-07-24 Qualcomm Incorporated Inter-eNB over-the-air calibration for reciprocity-based coordinated multipoint communications
KR102616419B1 (ko) 2016-10-12 2023-12-21 삼성전자주식회사 무선 통신 시스템에서 안테나 구성에 기반한 빔 탐색 장치 및 방법
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Also Published As

Publication number Publication date
JP2013538484A (ja) 2013-10-10
EP2594044A1 (en) 2013-05-22
EP2594044B1 (en) 2018-10-17
CN102340784B (zh) 2014-11-05
JP5647348B2 (ja) 2014-12-24
KR101405034B1 (ko) 2014-06-10
KR20130042567A (ko) 2013-04-26
WO2012007837A1 (en) 2012-01-19
US9077467B2 (en) 2015-07-07
CN102340784A (zh) 2012-02-01
EP2594044A4 (en) 2015-06-24
US20130114478A1 (en) 2013-05-09

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]