MX365866B - Señalizacion de restriccion de subconjunto de libro de codigos. - Google Patents

Señalizacion de restriccion de subconjunto de libro de codigos.

Info

Publication number
MX365866B
MX365866B MX2017009185A MX2017009185A MX365866B MX 365866 B MX365866 B MX 365866B MX 2017009185 A MX2017009185 A MX 2017009185A MX 2017009185 A MX2017009185 A MX 2017009185A MX 365866 B MX365866 B MX 365866B
Authority
MX
Mexico
Prior art keywords
precoders
group
signaling
codebook
communication device
Prior art date
Application number
MX2017009185A
Other languages
English (en)
Other versions
MX2017009185A (es
Inventor
Frenne Mattias
Jöngren George
Wernersson Niklas
Faxér Sebastian
JÄRMYR Simon
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=55358077&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX365866(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of MX2017009185A publication Critical patent/MX2017009185A/es
Publication of MX365866B publication Critical patent/MX365866B/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
    • H04B7/0456—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
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3068—Precoding preceding compression, e.g. Burrows-Wheeler transformation
    • 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
    • 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
    • H04B7/06—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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector coding
    • 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

Landscapes

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

Abstract

Un nodo (10) de red señaliza a un dispositivo (14) de comunicación inalámbrica cuáles precodificadores se restringen de utilizarse en un libro de códigos. El nodo (10) de red en este respecto genera señalización de restricción de subconjunto de libro de códigos que, para cada uno de uno o más grupos de precodificadores, restringe conjuntamente los precodificadores en el grupo al restringir un componente determinado (por ejemplo, un precodificador de haces determinado) que los precodificadores en el grupo tienen en común. Esta señalización puede ser por ejemplo señalización agnóstica de rango que restringe conjuntamente los precodificadores en un grupo sin importar el rango de transmisión de los precodificadores. Independientemente, el nodo (10) de red envía la señalización generada al dispositivo (14) de comunicación inalámbrica. Un nodo (10) de red señaliza a un dispositivo (14) de comunicación inalámbrica cuáles precodificadores se restringen de utilizarse en un libro de códigos. Para cada uno de uno o más grupos del libro de códigos el nodo identifica una o más configuraciones de referencia para el grupo, en donde cada configuración de referencia es una de diferentes configuraciones posibles que restringen de utilizarse diferentes subgrupos de precodificadores en el grupo; identifica, a partir de diferentes configuraciones posibles del grupo, una configuración actual que se señalará para el grupo; y genera señalización para indicar la configuración actual para el grupo, al generar las señalizaciones como un patrón de bits cuya longitud depende de (i) si la configuración actual coincide con una o más configuraciones de referencia y/o (ii) cuál configuración de referencia coincide con la configuración actual; y enviar la señalización generada al dispositivo (14) de comunicación inalámbrica.
MX2017009185A 2015-01-14 2016-01-11 Señalizacion de restriccion de subconjunto de libro de codigos. MX365866B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562103101P 2015-01-14 2015-01-14
PCT/SE2016/050009 WO2016114708A2 (en) 2015-01-14 2016-01-11 Codebook subset restriction signaling

Publications (2)

Publication Number Publication Date
MX2017009185A MX2017009185A (es) 2017-10-11
MX365866B true MX365866B (es) 2019-06-17

Family

ID=55358077

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017009185A MX365866B (es) 2015-01-14 2016-01-11 Señalizacion de restriccion de subconjunto de libro de codigos.

Country Status (19)

Country Link
US (5) US10193600B2 (es)
EP (4) EP3832893B1 (es)
JP (2) JP6479994B2 (es)
KR (1) KR101994016B1 (es)
CN (2) CN107408968B (es)
AR (1) AR103404A1 (es)
AU (1) AU2016207221B2 (es)
BR (1) BR112017014964B1 (es)
DK (3) DK3637632T3 (es)
ES (3) ES2897438T3 (es)
HK (1) HK1247450A1 (es)
HU (1) HUE047135T2 (es)
MX (1) MX365866B (es)
MY (1) MY180778A (es)
PL (3) PL3637632T3 (es)
RU (2) RU2018130647A (es)
SG (1) SG11201705600UA (es)
WO (1) WO2016114708A2 (es)
ZA (1) ZA201705062B (es)

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