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1. WO2020063726 - CHANNEL STATE INFORMATION (CSI) WITH SPATIAL AND TIME DOMAIN COMPRESSION

Publication Number WO/2020/063726
Publication Date 02.04.2020
International Application No. PCT/CN2019/108067
International Filing Date 26.09.2019
IPC
H04B 7/06 2006.01
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
04using two or more spaced independent antennas
06at the transmitting station
CPC
H04B 7/06
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
Applicants
  • QUALCOMM INCORPORATED [US]/[US]
  • WU, Liangming [CN]/[CN] (US)
  • ZHANG, Yu [CN]/[CN] (US)
  • HAO, Chenxi [CN]/[CN] (US)
  • LI, Qiaoyu [CN]/[CN] (US)
  • CHEN, Wanshi [CN]/[US] (US)
Inventors
  • WU, Liangming
  • ZHANG, Yu
  • HAO, Chenxi
  • LI, Qiaoyu
  • CHEN, Wanshi
Agents
  • NTD PATENT & TRADEMARK AGENCY LTD.
Priority Data
PCT/CN2018/10829928.09.2018CN
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CHANNEL STATE INFORMATION (CSI) WITH SPATIAL AND TIME DOMAIN COMPRESSION
(FR) INFORMATIONS D'ÉTAT DE CANAL (CSI) AVEC COMPRESSION DANS LES DOMAINES SPATIAL ET TEMPOREL
Abstract
(EN)
Certain aspects of the present disclosure provide techniques for reporting channel state information (CSI) with spatial and time domain compression. A method comprises receiving one or more signals from a second wireless communications device, determining a precoder matrix index (PMI) based on the signals, performing a channel- tap compression of the PMI and transmitting the channel-tap compressed PMI to the second wireless communications device.
(FR)
Selon certains aspects, la présente invention concerne des techniques de rapport d'informations d'état de canal (CSI) avec une compression dans les domaines spatial et temporel. Un procédé consiste à recevoir un ou plusieurs signaux provenant d'un deuxième dispositif de communication sans fil, déterminer un indice de matrice de précodeur (PMI) en fonction des signaux, effectuer une compression par dérivation de canal du PMI et transmettre le PMI compressé par dérivation de canal au deuxième dispositif de communication sans fil.
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