IN2012DN02386A - - Google Patents

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Publication number
IN2012DN02386A
IN2012DN02386A IN2386DEN2012A IN2012DN02386A IN 2012DN02386 A IN2012DN02386 A IN 2012DN02386A IN 2386DEN2012 A IN2386DEN2012 A IN 2386DEN2012A IN 2012DN02386 A IN2012DN02386 A IN 2012DN02386A
Authority
IN
India
Prior art keywords
data streams
receiver node
receive filter
node
nodes
Prior art date
Application number
Other languages
English (en)
Inventor
Maddah-Ali Mohammad
Abolfazl Motahari Seyed
Khandani Amir
Baligh Mohammadhadi
Jia Ming
Ma Jianglei
Zhu Peiying
Tong Wen
Original Assignee
Research In Motion Ltd
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 Research In Motion Ltd filed Critical Research In Motion Ltd
Publication of IN2012DN02386A publication Critical patent/IN2012DN02386A/en

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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04B7/06—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
    • H04B7/14—Relay systems
    • 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

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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Relay Systems (AREA)
IN2386DEN2012 2009-09-24 2010-09-24 IN2012DN02386A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24533909P 2009-09-24 2009-09-24
PCT/CA2010/001529 WO2011035439A1 (en) 2009-09-24 2010-09-24 X-mimo systems with multi-transmitters and multi- receivers

Publications (1)

Publication Number Publication Date
IN2012DN02386A true IN2012DN02386A (de) 2015-08-21

Family

ID=43795264

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2386DEN2012 IN2012DN02386A (de) 2009-09-24 2010-09-24

Country Status (9)

Country Link
EP (2) EP2481234A4 (de)
JP (1) JP2013506319A (de)
KR (1) KR20120086296A (de)
CN (1) CN102812737B (de)
BR (1) BR112012007086A2 (de)
CA (1) CA2775002A1 (de)
IN (1) IN2012DN02386A (de)
RU (1) RU2012116213A (de)
WO (1) WO2011035439A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220393841A1 (en) * 2021-06-03 2022-12-08 Mediatek Inc. Downlink framework for distributed mimo receivers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7197084B2 (en) * 2002-03-27 2007-03-27 Qualcomm Incorporated Precoding for a multipath channel in a MIMO system
US8208364B2 (en) * 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
DE602006018844D1 (de) * 2005-10-17 2011-01-27 Samsung Electronics Co Ltd Verfahren und Vorrichtung zum Senden/Empfangen von Daten in einem Mehrbenutzer, Mehrantennen Kommunikationssystem
US8077686B2 (en) * 2007-07-20 2011-12-13 Marvell World Trade Ltd. Multiple packet data network support over trusted access
US8064823B2 (en) 2007-11-30 2011-11-22 Nokia Corporation Apparatus, method and computer program product for determining transmit weights in relay networks
KR101387532B1 (ko) * 2007-12-26 2014-04-21 엘지전자 주식회사 협력적 ｍｉｍｏ 수행을 위한 피드백 정보 전송방법
KR100995045B1 (ko) * 2007-12-31 2010-11-19 엘지전자 주식회사 협동 다중 입출력 통신 시스템에서, 프리코딩된 신호를송신하는 방법

Also Published As

Publication number Publication date
CN102812737B (zh) 2016-01-13
JP2013506319A (ja) 2013-02-21
WO2011035439A1 (en) 2011-03-31
EP3793094A1 (de) 2021-03-17
RU2012116213A (ru) 2013-11-10
EP2481234A1 (de) 2012-08-01
KR20120086296A (ko) 2012-08-02
CA2775002A1 (en) 2011-03-31
CN102812737A (zh) 2012-12-05
EP2481234A4 (de) 2016-06-01
WO2011035439A8 (en) 2012-04-12
BR112012007086A2 (pt) 2019-09-24

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