PT2169845E - Dispositivo de estação base, dispositivo de utilizador, e método em sistema de comunicação - Google Patents

Dispositivo de estação base, dispositivo de utilizador, e método em sistema de comunicação Download PDF

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Publication number
PT2169845E
PT2169845E PT87772430T PT08777243T PT2169845E PT 2169845 E PT2169845 E PT 2169845E PT 87772430 T PT87772430 T PT 87772430T PT 08777243 T PT08777243 T PT 08777243T PT 2169845 E PT2169845 E PT 2169845E
Authority
PT
Portugal
Prior art keywords
base station
communication system
mobile communication
user device
station device
Prior art date
Application number
PT87772430T
Other languages
English (en)
Portuguese (pt)
Inventor
Hidekazu Taoka
Nobuhiko Miki
Mamoru Sawahashi
Original Assignee
Ntt Docomo 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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of PT2169845E publication Critical patent/PT2169845E/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
    • H04B7/0413—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
    • H04B7/0636—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
    • H04B7/0621—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
    • H04B7/0652—Feedback error handling
    • H04B7/0656—Feedback error handling at the transmitter, e.g. error detection at base 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
    • H04B7/0613—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
    • H04B7/0665—Feed forward of transmit weights to the receiver

Landscapes

  • 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)
PT87772430T 2007-06-19 2008-06-16 Dispositivo de estação base, dispositivo de utilizador, e método em sistema de comunicação PT2169845E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007161942A JP4729537B2 (ja) 2007-06-19 2007-06-19 基地局装置および送信方法

Publications (1)

Publication Number Publication Date
PT2169845E true PT2169845E (pt) 2015-09-11

Family

ID=40156226

Family Applications (1)

Application Number Title Priority Date Filing Date
PT87772430T PT2169845E (pt) 2007-06-19 2008-06-16 Dispositivo de estação base, dispositivo de utilizador, e método em sistema de comunicação

Country Status (10)

Country Link
US (2) US8422574B2 (enExample)
EP (1) EP2169845B1 (enExample)
JP (1) JP4729537B2 (enExample)
KR (1) KR101414563B1 (enExample)
CN (1) CN101682382B (enExample)
BR (1) BRPI0812532A2 (enExample)
ES (1) ES2543855T3 (enExample)
PT (1) PT2169845E (enExample)
RU (2) RU2467480C2 (enExample)
WO (1) WO2008156067A1 (enExample)

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TWI538428B (zh) * 2009-03-17 2016-06-11 皇家飛利浦電子股份有限公司 在網路中通信的方法、副站台及主站台
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CN102045762B (zh) * 2010-12-02 2013-07-24 大唐移动通信设备有限公司 一种上报信道状态的方法及装置
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KR101871721B1 (ko) 2011-02-23 2018-06-27 엘지전자 주식회사 다중 셀 협력 무선 통신 시스템에서 제어 채널 송수신 방법 및 이를 위한 장치
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Also Published As

Publication number Publication date
US20100183085A1 (en) 2010-07-22
US8422574B2 (en) 2013-04-16
RU2009149101A (ru) 2011-07-27
JP4729537B2 (ja) 2011-07-20
EP2169845A4 (en) 2013-08-07
RU2467480C2 (ru) 2012-11-20
CN101682382A (zh) 2010-03-24
BRPI0812532A2 (pt) 2015-02-10
JP2009004921A (ja) 2009-01-08
WO2008156067A1 (ja) 2008-12-24
CN101682382B (zh) 2013-05-29
RU2501163C1 (ru) 2013-12-10
US8811506B2 (en) 2014-08-19
KR101414563B1 (ko) 2014-08-06
EP2169845A1 (en) 2010-03-31
KR20100023863A (ko) 2010-03-04
US20130163545A1 (en) 2013-06-27
ES2543855T3 (es) 2015-08-24
EP2169845B1 (en) 2015-05-27

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