MX2012008309A - Metodo y aparato para transmitir señal de referencia de enlace descendente en sistma de comunicacion inalambrica que soporta multiples antenas. - Google Patents

Metodo y aparato para transmitir señal de referencia de enlace descendente en sistma de comunicacion inalambrica que soporta multiples antenas.

Info

Publication number
MX2012008309A
MX2012008309A MX2012008309A MX2012008309A MX2012008309A MX 2012008309 A MX2012008309 A MX 2012008309A MX 2012008309 A MX2012008309 A MX 2012008309A MX 2012008309 A MX2012008309 A MX 2012008309A MX 2012008309 A MX2012008309 A MX 2012008309A
Authority
MX
Mexico
Prior art keywords
csi
wireless communication
communication system
reference signal
multiple antennas
Prior art date
Application number
MX2012008309A
Other languages
English (en)
Spanish (es)
Inventor
Ki Jun Kim
Eun Sung Kim
Hak Seong Kim
Dae Won Lee
Byoung Hoon Kim
Original Assignee
Lg Electronics 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 Lg Electronics Inc filed Critical Lg Electronics Inc
Priority claimed from PCT/KR2011/000045 external-priority patent/WO2011096646A2/en
Publication of MX2012008309A publication Critical patent/MX2012008309A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04B7/0413—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
    • H04B7/0658—Feedback reduction
    • H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
MX2012008309A 2010-02-07 2011-01-05 Metodo y aparato para transmitir señal de referencia de enlace descendente en sistma de comunicacion inalambrica que soporta multiples antenas. MX2012008309A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US30216610P 2010-02-07 2010-02-07
US30939010P 2010-03-01 2010-03-01
KR1020100104630A KR101241916B1 (ko) 2010-02-07 2010-10-26 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치
PCT/KR2011/000045 WO2011096646A2 (en) 2010-02-07 2011-01-05 Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas

Publications (1)

Publication Number Publication Date
MX2012008309A true MX2012008309A (es) 2012-08-03

Family

ID=44928925

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2012008309A MX2012008309A (es) 2010-02-07 2011-01-05 Metodo y aparato para transmitir señal de referencia de enlace descendente en sistma de comunicacion inalambrica que soporta multiples antenas.

Country Status (7)

Country Link
JP (2) JP5779595B2 (ru)
KR (2) KR101241916B1 (ru)
CN (2) CN102754357B (ru)
AU (1) AU2011211579B2 (ru)
BR (1) BR112012019651B1 (ru)
MX (1) MX2012008309A (ru)
RU (1) RU2518405C2 (ru)

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Also Published As

Publication number Publication date
JP2013519287A (ja) 2013-05-23
CN104485984B (zh) 2018-01-23
KR20110091839A (ko) 2011-08-16
CN102754357B (zh) 2015-02-04
BR112012019651B1 (pt) 2021-11-16
CN102754357A (zh) 2012-10-24
KR101276862B1 (ko) 2013-06-18
BR112012019651A2 (pt) 2016-05-03
RU2518405C2 (ru) 2014-06-10
JP5779595B2 (ja) 2015-09-16
KR101241916B1 (ko) 2013-03-11
JP2016001880A (ja) 2016-01-07
RU2012138168A (ru) 2014-03-27
KR20120100857A (ko) 2012-09-12
CN104485984A (zh) 2015-04-01
AU2011211579A1 (en) 2012-07-26
AU2011211579B2 (en) 2013-08-29
JP6100843B2 (ja) 2017-03-22

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