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MX2009007129A - Metodo y disposicion en un sistema de comunicaciones inalambricas. - Google Patents

Metodo y disposicion en un sistema de comunicaciones inalambricas.

Info

Publication number
MX2009007129A
MX2009007129A MX2009007129A MX2009007129A MX2009007129A MX 2009007129 A MX2009007129 A MX 2009007129A MX 2009007129 A MX2009007129 A MX 2009007129A MX 2009007129 A MX2009007129 A MX 2009007129A MX 2009007129 A MX2009007129 A MX 2009007129A
Authority
MX
Mexico
Prior art keywords
node
information
signal
arrangement
wireless communications
Prior art date
Application number
MX2009007129A
Other languages
English (en)
Inventor
Bo Goeransson
George Joengren
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of MX2009007129A publication Critical patent/MX2009007129A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • H04B7/0481—Special codebook structures directed to feedback optimisation using subset selection of codebooks
    • 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
    • H04B7/0482—Adaptive codebooks
    • 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
    • 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
    • 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
    • H04B7/0615—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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/0658—Feedback reduction
    • 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
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Se proporciona un método para ayudar a la adaptación de una señal de un primer nodo (100) a un segundo nodo (120). El primer nodo se comunica con el segundo nodo en un sistema (110) de comunicación inalámbrica a través de un enlace (13= de radio. El segundo nodo está configurado para comprender un libro de código, cuyo libro de código comprende un juego de posibles alternativas de información usadas para ayudar a la datación de una señal del primer nodo al segundo nodo. El segundo nodo puede seleccionar una alternativa de información de un libro de código y enviarla al primer nodo para ayudar al primer nodo como adaptar la señal. El primer nodo está dispuesto para conocer un número de subjuegos, cada subjuego comprendiendo una parte de posibles alternativas de información. El método comprende los pasos de enviar una solicitud de configuración al segundo nodo para restringir la selección de alternativas de información a uno de los subjuegos; recibir una alternativa de información del segundo nodo, que se selecciona entre los cuando menos un subjuego configurado de conformidad con la solicitud de configuración.
MX2009007129A 2007-01-12 2007-10-18 Metodo y disposicion en un sistema de comunicaciones inalambricas. MX2009007129A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0700062 2007-01-12
PCT/SE2007/050754 WO2008085096A1 (en) 2007-01-12 2007-10-18 Method and arrangement in a wireless communications system

Publications (1)

Publication Number Publication Date
MX2009007129A true MX2009007129A (es) 2009-07-09

Family

ID=39608883

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009007129A MX2009007129A (es) 2007-01-12 2007-10-18 Metodo y disposicion en un sistema de comunicaciones inalambricas.

Country Status (16)

Country Link
US (6) US8724543B2 (es)
EP (3) EP2119030B1 (es)
JP (1) JP5368999B2 (es)
KR (1) KR101413778B1 (es)
CN (2) CN104579445B (es)
AR (1) AR064884A1 (es)
AU (1) AU2007342726B2 (es)
DK (2) DK3544198T3 (es)
ES (2) ES2899934T3 (es)
MX (1) MX2009007129A (es)
PL (2) PL2119030T3 (es)
PT (2) PT2119030T (es)
SG (1) SG177972A1 (es)
TR (1) TR201909036T4 (es)
TW (2) TWI382694B (es)
WO (1) WO2008085096A1 (es)

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Also Published As

Publication number Publication date
US9531464B2 (en) 2016-12-27
AU2007342726B2 (en) 2012-04-05
US11552681B2 (en) 2023-01-10
EP3975437C0 (en) 2025-05-14
WO2008085096A1 (en) 2008-07-17
TW200841622A (en) 2008-10-16
EP2119030A1 (en) 2009-11-18
EP3544198A1 (en) 2019-09-25
SG177972A1 (en) 2012-02-28
ES2899934T3 (es) 2022-03-15
EP3544198B1 (en) 2021-09-15
US20180131419A1 (en) 2018-05-10
AR064884A1 (es) 2009-04-29
US20140247773A1 (en) 2014-09-04
KR101413778B1 (ko) 2014-06-30
US8724543B2 (en) 2014-05-13
ES2733048T3 (es) 2019-11-27
PL2119030T3 (pl) 2019-11-29
JP2010516168A (ja) 2010-05-13
CN101578774B (zh) 2015-01-21
EP2119030B1 (en) 2019-05-08
US20210006305A1 (en) 2021-01-07
US20100039990A1 (en) 2010-02-18
PT3544198T (pt) 2021-10-21
DK2119030T3 (da) 2019-07-08
TWI382694B (zh) 2013-01-11
CN104579445B (zh) 2019-06-21
US20150263801A1 (en) 2015-09-17
DK3544198T3 (da) 2021-10-18
EP2119030A4 (en) 2015-05-06
EP3975437A1 (en) 2022-03-30
TR201909036T4 (tr) 2019-07-22
US9866296B2 (en) 2018-01-09
US9059762B2 (en) 2015-06-16
PT2119030T (pt) 2019-07-10
CN101578774A (zh) 2009-11-11
US20170078005A1 (en) 2017-03-16
CN104579445A (zh) 2015-04-29
TW201230710A (en) 2012-07-16
AU2007342726A1 (en) 2008-07-17
US10771129B2 (en) 2020-09-08
PL3544198T3 (pl) 2022-01-31
EP3975437B1 (en) 2025-05-14
KR20090101228A (ko) 2009-09-24
JP5368999B2 (ja) 2013-12-18

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