MX344539B - Metodo y aparato para transmitir y recibir informacion de estado de canal en sistema de comunicacion inalambrica que soporta transmision cooperativa. - Google Patents

Metodo y aparato para transmitir y recibir informacion de estado de canal en sistema de comunicacion inalambrica que soporta transmision cooperativa.

Info

Publication number
MX344539B
MX344539B MX2015003271A MX2015003271A MX344539B MX 344539 B MX344539 B MX 344539B MX 2015003271 A MX2015003271 A MX 2015003271A MX 2015003271 A MX2015003271 A MX 2015003271A MX 344539 B MX344539 B MX 344539B
Authority
MX
Mexico
Prior art keywords
channel status
status information
wireless communication
communication system
cooperative transmission
Prior art date
Application number
MX2015003271A
Other languages
English (en)
Other versions
MX2015003271A (es
Inventor
Hyungtae Kim
Eunsun Kim
Jonghyun Park
Kijun 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
Publication of MX2015003271A publication Critical patent/MX2015003271A/es
Publication of MX344539B publication Critical patent/MX344539B/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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
    • H04B7/0621—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
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • 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
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0073—Allocation arrangements that take into account other cell interferences

Abstract

La presente invención se relaciona con un sistema de comunicación inalámbrica; un método para reportar CSI (Información de Estado del Canal) en un sistema de comunicación inalámbrica de puntos múltiples cooperativos (CoMP), el método realizado por un equipo de usuario (UE) y comprende recibir información de la configuración del primer recurso para una CSI-RS (Señal de Referencia de la Información del Estado del Canal) e información de la configuración del segundo recurso para la medición de interferencia; y calcular la CSI usando la información de la configuración del primer recurso y la información de configuración del segundo recurso, la CSI es para una o más estaciones base (BS) entre una multitud de BS que participan en el COMP, en donde existe un recurso de medición de interferencia de acuerdo con la información de la configuración del segundo recurso en una unión de recursos de CSI-RS de potencia cero de cada una de las múltiples BS.
MX2015003271A 2012-09-16 2013-09-16 Metodo y aparato para transmitir y recibir informacion de estado de canal en sistema de comunicacion inalambrica que soporta transmision cooperativa. MX344539B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261701706P 2012-09-16 2012-09-16
PCT/KR2013/008343 WO2014042478A1 (ko) 2012-09-16 2013-09-16 협력적 송신을 지원하는 무선 통신 시스템에서 채널 상태 정보 송수신 방법및 장치

Publications (2)

Publication Number Publication Date
MX2015003271A MX2015003271A (es) 2015-07-06
MX344539B true MX344539B (es) 2016-12-19

Family

ID=50278485

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2015003270A MX344273B (es) 2012-09-16 2013-09-16 Método y aparato para recibir datos en sistema de comunicación inalámbrica que soporta transmisión cooperativa.
MX2015003271A MX344539B (es) 2012-09-16 2013-09-16 Metodo y aparato para transmitir y recibir informacion de estado de canal en sistema de comunicacion inalambrica que soporta transmision cooperativa.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MX2015003270A MX344273B (es) 2012-09-16 2013-09-16 Método y aparato para recibir datos en sistema de comunicación inalámbrica que soporta transmisión cooperativa.

Country Status (9)

Country Link
US (7) US9497001B2 (es)
EP (2) EP2897407A4 (es)
JP (5) JP2015530815A (es)
KR (5) KR101753594B1 (es)
CN (3) CN104620518B (es)
DE (1) DE112013002479B4 (es)
IN (2) IN2015MN00568A (es)
MX (2) MX344273B (es)
WO (3) WO2014042478A1 (es)

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