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BRPI0917524A2 - método e equipamento para suportar mimo distríbuido em um sistema de comunicação sem fio - Google Patents

método e equipamento para suportar mimo distríbuido em um sistema de comunicação sem fio

Info

Publication number
BRPI0917524A2
BRPI0917524A2 BRPI0917524A BRPI0917524A BRPI0917524A2 BR PI0917524 A2 BRPI0917524 A2 BR PI0917524A2 BR PI0917524 A BRPI0917524 A BR PI0917524A BR PI0917524 A BRPI0917524 A BR PI0917524A BR PI0917524 A2 BRPI0917524 A2 BR PI0917524A2
Authority
BR
Brazil
Prior art keywords
mime
equipment
wireless communication
communication system
supporting distributed
Prior art date
Application number
BRPI0917524A
Other languages
English (en)
Inventor
Jilei Hou
Juan Montojo
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 BRPI0917524A2 publication Critical patent/BRPI0917524A2/pt
Publication of BRPI0917524B1 publication Critical patent/BRPI0917524B1/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
    • H04B7/022—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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04B7/06—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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
BRPI0917524-5A 2008-08-11 2009-08-06 Método e equipamento para suportar mimo distríbuido em um sistema de comunicação sem fio BRPI0917524B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US8792208P 2008-08-11 2008-08-11
US61/087,922 2008-08-11
US12/535,972 2009-08-05
US12/535,972 US9294160B2 (en) 2008-08-11 2009-08-05 Method and apparatus for supporting distributed MIMO in a wireless communication system
PCT/US2009/053016 WO2010019445A2 (en) 2008-08-11 2009-08-06 Method and apparatus for supporting distributed mimo in a wireless communication system

Publications (2)

Publication Number Publication Date
BRPI0917524A2 true BRPI0917524A2 (pt) 2015-11-17
BRPI0917524B1 BRPI0917524B1 (pt) 2020-10-06

Family

ID=41653417

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0917524-5A BRPI0917524B1 (pt) 2008-08-11 2009-08-06 Método e equipamento para suportar mimo distríbuido em um sistema de comunicação sem fio

Country Status (11)

Country Link
US (1) US9294160B2 (pt)
EP (1) EP2327167B1 (pt)
JP (1) JP5619742B2 (pt)
KR (4) KR101271570B1 (pt)
CN (2) CN102119492B (pt)
BR (1) BRPI0917524B1 (pt)
CA (1) CA2732451C (pt)
ES (1) ES2538131T3 (pt)
RU (1) RU2490796C2 (pt)
TW (1) TW201019764A (pt)
WO (1) WO2010019445A2 (pt)

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CA2732451A1 (en) 2010-02-18
CN104301013A (zh) 2015-01-21
KR101271568B1 (ko) 2013-06-11
KR101271570B1 (ko) 2013-06-11
US9294160B2 (en) 2016-03-22
KR20120113280A (ko) 2012-10-12
JP5619742B2 (ja) 2014-11-05
KR20120113279A (ko) 2012-10-12
EP2327167A2 (en) 2011-06-01
WO2010019445A3 (en) 2010-04-29
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KR101333219B1 (ko) 2013-11-26
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BRPI0917524B1 (pt) 2020-10-06
CA2732451C (en) 2015-03-24
US20100035627A1 (en) 2010-02-11
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CN102119492A (zh) 2011-07-06
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