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1. WO2017075839 - METHOD AND DEVICE FOR MEASURING AND FEEDING BACK CHANNEL STATE INFORMATION (CSI)

Publication Number WO/2017/075839
Publication Date 11.05.2017
International Application No. PCT/CN2015/094067
International Filing Date 06.11.2015
IPC
H04B 7/02 2017.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas
CPC
H04B 7/024
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
022Site diversity; Macro-diversity
024Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
H04B 7/0413
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
0413MIMO systems
H04B 7/0478
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
0413MIMO systems
0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
0478Special codebook structures directed to feedback optimization
H04B 7/0626
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
06at the transmitting station
0613using simultaneous transmission
0615of weighted versions of same signal
0619using feedback from receiving side
0621Feedback content
0626Channel coefficients, e.g. channel state information [CSI]
H04L 5/0048
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
003Arrangements for allocating sub-channels of the transmission path
0048Allocation of pilot signals, i.e. of signals known to the receiver
H04L 5/0057
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
003Arrangements for allocating sub-channels of the transmission path
0053Allocation of signaling, i.e. of overhead other than pilot signals
0057Physical resource allocation for CQI
Applicants
  • 华为技术有限公司 HUAWEI TECHNOLOGIES CO.,LTD. [CN]/[CN]
Inventors
  • 刘鹍鹏 LIU, Kunpeng
Agents
  • 北京同达信恒知识产权代理有限公司 TDIP & PARTNERS
Priority Data
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) METHOD AND DEVICE FOR MEASURING AND FEEDING BACK CHANNEL STATE INFORMATION (CSI)
(FR) PROCÉDÉ ET DISPOSITIF DE MESURAGE ET DE RETOUR D'INFORMATIONS D'ÉTAT DE CANAL (CSI)
(ZH) 一种测量和反馈信道状态信息CSI的方法及装置
Abstract
(EN) A method for feeding back CSI, a receiving terminal receiving CSI process configuration information, the CSI process configuration information comprising at least one CSI process, a first CSI process of the at least one CSI process being respectively associated with K reference signal resources, and associated with M interference measurement resources; for the first CSI process, the receiving terminal acquiring a target reference signal resource from the K reference signal resources and acquiring a target interference measurement resource from the M interference measurement resources; acquiring CSI according to the target reference signal resource and the target interference measurement resource; the receiving terminal sending the CSI, the CSI comprising a target index, the target index being used for characterizing the target reference signal resource and/or the target interference measurement resource. This invention improves the flexibility of feeding back the CSI.
(FR) L'invention concerne un procédé de retour de CSI dans lequel un terminal de réception reçoit des informations de configuration de processus CSI. Les informations de configuration de processus CSI comprennent au moins un processus CSI. Un premier processus CSI du ou des processus CSI est respectivement associé à K ressources de signal de référence K et à M ressources de mesurage d'interférence. Pour le premier processus CSI, le terminal de réception : acquiert une ressource de signal de référence cible parmi les K ressources de signal de référence et acquiert une ressource de mesurage d'interférence cible parmi les M ressources de mesurage d'interférence ; acquiert des CSI d'après la ressource de signal de référence cible et la ressource de mesurage d'interférence cible ; et envoie les CSI qui comprennent un indice cible utilisé pour caractériser la ressource de signal de référence cible et/ou la ressource de mesurage d'interférence cible. La présente invention améliore la flexibilité de retour des CSI.
(ZH) 一种反馈CSI的方法,接收端接收CSI进程配置信息,所述CSI进程配置信息包括至少一个CSI进程,所述至少一个CSI进程中的第一CSI进程分别与K个参考信号资源相关联,与M个干扰测量资源相关联;所述接收端针对所述第一CSI进程,根据所述K个参考信号资源中获得目标参考信号资源,并根据所述M个干扰测量资源获得目标干扰测量资源;根据所述目标参考信号资源和所述目标干扰测量资源,获得CSI;所述接收端发送所述CSI,所述CSI包括目标索引,所述目标索引用于表征所述目标参考信号资源和/或所述目标干扰测量资源,提高了反馈CSI的灵活性。
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