CA3025857C - Systeme et procede permettant une communication sans fil d'entree distribuee-sortie distribuee - Google Patents

Systeme et procede permettant une communication sans fil d'entree distribuee-sortie distribuee Download PDF

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Publication number
CA3025857C
CA3025857C CA3025857A CA3025857A CA3025857C CA 3025857 C CA3025857 C CA 3025857C CA 3025857 A CA3025857 A CA 3025857A CA 3025857 A CA3025857 A CA 3025857A CA 3025857 C CA3025857 C CA 3025857C
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CA
Canada
Prior art keywords
dido
channel
base station
antennas
antenna
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CA3025857A
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English (en)
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CA3025857A1 (fr
Inventor
Antonio Forenza
Robert W. Heath, Jr.
Stephen G. Perlman
Roger Van Der Laan
John Speck
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Rearden LLC
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Rearden LLC
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Filing date
Publication date
Priority claimed from US11/894,362 external-priority patent/US7633994B2/en
Priority claimed from US11/894,394 external-priority patent/US7599420B2/en
Priority claimed from US11/894,540 external-priority patent/US7636381B2/en
Application filed by Rearden LLC filed Critical Rearden LLC
Priority to CA3170717A priority Critical patent/CA3170717A1/fr
Publication of CA3025857A1 publication Critical patent/CA3025857A1/fr
Application granted granted Critical
Publication of CA3025857C publication Critical patent/CA3025857C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04B7/0452—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
    • 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]
    • 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
    • H04B7/0684—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 using different training sequences per antenna
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • H04J11/003—Interference mitigation or co-ordination of multi-user interference at the transmitter
    • H04J11/0033—Interference mitigation or co-ordination of multi-user interference at the transmitter by pre-cancellation of known interference, e.g. using a matched filter, dirty paper coder or Thomlinson-Harashima precoder
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end

Abstract

Un système et un procédé sont décrits pour compenser les décalages de fréquence et de phase dans un système d'antenne multiple avec des transmissions multi-utilisateur. Le procédé peut comprendre la transmission d'un signal d'entraînement à partir de chaque antenne d'une station de base à l'un d'une pluralité de dispositifs client sans fil, la génération de données de compensation de décalage de fréquence, la réception des données de compensation de décalage de fréquence au niveau de la station de base, le calcul de poids de précodeur système d'antenne multiple multi-utilisateur en se basant sur les données de compensation de décalage de fréquence pour préannuler le décalage de fréquence au niveau de l'émetteur, et le calcul d'une pluralité de poids de précodeur système d'antenne multiple multi-utilisateur en se basant sur des données de caractérisation de canal.
CA3025857A 2007-08-20 2008-08-20 Systeme et procede permettant une communication sans fil d'entree distribuee-sortie distribuee Active CA3025857C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3170717A CA3170717A1 (fr) 2007-08-20 2008-08-20 Systeme et procede permettant une communication sans fil d'entree distribuee-sortie distribuee

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US11/894,394 2007-08-20
US11/894,362 2007-08-20
US11/894,362 US7633994B2 (en) 2004-07-30 2007-08-20 System and method for distributed input-distributed output wireless communications
US11/894,394 US7599420B2 (en) 2004-07-30 2007-08-20 System and method for distributed input distributed output wireless communications
US11/894,540 2007-08-20
US11/894,540 US7636381B2 (en) 2004-07-30 2007-08-20 System and method for distributed input-distributed output wireless communications
CA2937021A CA2937021C (fr) 2007-08-20 2008-08-20 Systeme et procede permettant une communication sans fil d'entree distribuee-sortie distribuee

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2937021A Division CA2937021C (fr) 2007-08-20 2008-08-20 Systeme et procede permettant une communication sans fil d'entree distribuee-sortie distribuee

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA3170717A Division CA3170717A1 (fr) 2007-08-20 2008-08-20 Systeme et procede permettant une communication sans fil d'entree distribuee-sortie distribuee

Publications (2)

Publication Number Publication Date
CA3025857A1 CA3025857A1 (fr) 2009-02-26
CA3025857C true CA3025857C (fr) 2022-10-18

Family

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Family Applications (2)

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CA2937021A Active CA2937021C (fr) 2007-08-20 2008-08-20 Systeme et procede permettant une communication sans fil d'entree distribuee-sortie distribuee
CA3025857A Active CA3025857C (fr) 2007-08-20 2008-08-20 Systeme et procede permettant une communication sans fil d'entree distribuee-sortie distribuee

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2937021A Active CA2937021C (fr) 2007-08-20 2008-08-20 Systeme et procede permettant une communication sans fil d'entree distribuee-sortie distribuee

Country Status (5)

Country Link
JP (5) JP2013251915A (fr)
KR (3) KR101598324B1 (fr)
CN (3) CN103501193B (fr)
CA (2) CA2937021C (fr)
RU (4) RU2578206C2 (fr)

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CN103117975B (zh) 2017-05-24
JP2017085589A (ja) 2017-05-18
KR101598324B1 (ko) 2016-02-26
CN103501193A (zh) 2014-01-08
RU2578206C2 (ru) 2016-03-27
RU2011131822A (ru) 2013-02-10
CN103036839B (zh) 2015-09-30
CN103501193B (zh) 2017-04-12
RU2700568C2 (ru) 2019-09-18
CN103117975A (zh) 2013-05-22
JP2020127215A (ja) 2020-08-20
RU2019126350A (ru) 2021-02-24
KR20160136476A (ko) 2016-11-29
KR20150018900A (ko) 2015-02-24
RU2580324C2 (ru) 2016-04-10
JP6055524B2 (ja) 2016-12-27
KR20150136548A (ko) 2015-12-07
RU2016107617A3 (fr) 2019-06-25
CA3025857A1 (fr) 2009-02-26
CN103036839A (zh) 2013-04-10
JP2015216699A (ja) 2015-12-03
CA2937021A1 (fr) 2009-02-26
JP2013251915A (ja) 2013-12-12
RU2016107617A (ru) 2017-09-07
CA2937021C (fr) 2019-01-08
JP2015111849A (ja) 2015-06-18
KR101805345B1 (ko) 2018-01-10
RU2011131821A (ru) 2013-02-10
JP6922027B2 (ja) 2021-08-18

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