AR063543A1 - Metodo y aparato para el procesamiento de la retroalimentacion en un sistema de comunicacion inalambrica - Google Patents

Metodo y aparato para el procesamiento de la retroalimentacion en un sistema de comunicacion inalambrica

Info

Publication number
AR063543A1
AR063543A1 ARP070104805A AR063543A1 AR 063543 A1 AR063543 A1 AR 063543A1 AR P070104805 A ARP070104805 A AR P070104805A AR 063543 A1 AR063543 A1 AR 063543A1
Authority
AR
Argentina
Prior art keywords
feedback
wireless communication
communication system
processing
channel
Prior art date
Application number
Other languages
English (en)
Inventor
Kyle Jung-Lin Pan
Allan Y Tsai
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of AR063543A1 publication Critical patent/AR063543A1/es

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
    • H04B7/0413—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
    • H04B7/04—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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode 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
    • H04B7/0636—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
    • H04B7/0636—Feedback format
    • H04B7/0641—Differential feedback
    • 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
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0675—Space-time coding characterised by the signaling
    • H04L1/0693—Partial feedback, e.g. partial channel state information [CSI]
    • 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
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0246—Channel estimation channel estimation algorithms using matrix methods with factorisation

Abstract

Se revela un método y aparato para el procesamiento de la retroalimentacion en un sistema de comunicacion inalámbrica comprende la estimacion de una matriz de canal. Se calcula el canal efectivo y se selecciona la matriz de precodificacion. Se generan y transmiten los bits de retroalimentacion.
ARP070104805 2006-10-30 2007-10-30 Metodo y aparato para el procesamiento de la retroalimentacion en un sistema de comunicacion inalambrica AR063543A1 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US86343206P 2006-10-30 2006-10-30
US86372006P 2006-10-31 2006-10-31
US87050306P 2006-12-18 2006-12-18

Publications (1)

Publication Number Publication Date
AR063543A1 true AR063543A1 (es) 2009-01-28

Family

ID=39183104

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP070104805 AR063543A1 (es) 2006-10-30 2007-10-30 Metodo y aparato para el procesamiento de la retroalimentacion en un sistema de comunicacion inalambrica

Country Status (15)

Country Link
US (3) US8798212B2 (es)
EP (1) EP2090012A2 (es)
JP (4) JP2010508765A (es)
KR (4) KR101205604B1 (es)
CN (2) CN104270181A (es)
AR (1) AR063543A1 (es)
AU (1) AU2007314377A1 (es)
BR (1) BRPI0716288A2 (es)
CA (1) CA2668247C (es)
HK (1) HK1136413A1 (es)
IL (1) IL198496A0 (es)
MX (1) MX2009004654A (es)
MY (1) MY152640A (es)
TW (2) TWI470957B (es)
WO (1) WO2008054737A2 (es)

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Also Published As

Publication number Publication date
CN104270181A (zh) 2015-01-07
KR20120096569A (ko) 2012-08-30
MX2009004654A (es) 2009-06-26
KR20090080571A (ko) 2009-07-24
KR101506604B1 (ko) 2015-03-27
CA2668247C (en) 2016-06-21
JP2010508765A (ja) 2010-03-18
TWI508478B (zh) 2015-11-11
US20140314169A1 (en) 2014-10-23
MY152640A (en) 2014-10-31
JP6019076B2 (ja) 2016-11-02
JP2012182847A (ja) 2012-09-20
BRPI0716288A2 (pt) 2013-08-13
TWI470957B (zh) 2015-01-21
AU2007314377A1 (en) 2008-05-08
US9225400B2 (en) 2015-12-29
JP2015046881A (ja) 2015-03-12
US20160134340A1 (en) 2016-05-12
KR20140069081A (ko) 2014-06-09
IL198496A0 (en) 2010-02-17
US20080112500A1 (en) 2008-05-15
KR20090076993A (ko) 2009-07-13
KR101205604B1 (ko) 2012-11-27
JP5715091B2 (ja) 2015-05-07
CA2668247A1 (en) 2008-05-08
JP2016197914A (ja) 2016-11-24
US8798212B2 (en) 2014-08-05
EP2090012A2 (en) 2009-08-19
WO2008054737A3 (en) 2008-09-18
CN101584145A (zh) 2009-11-18
CN101584145B (zh) 2014-10-22
HK1136413A1 (en) 2010-06-25
WO2008054737A2 (en) 2008-05-08
KR101508105B1 (ko) 2015-04-07
TW200826535A (en) 2008-06-16
TW201328231A (zh) 2013-07-01

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