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1. WO2020063719 - SUBBAND-GRANULARITY LINEAR COMBINATION FOR A CSI CODEBOOK

Publication Number WO/2020/063719
Publication Date 02.04.2020
International Application No. PCT/CN2019/108051
International Filing Date 26.09.2019
IPC
H04B 7/0456 2017.01
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
0413MIMO systems
0456Selection of precoding matrices or codebooks, e.g. using matrices for antenna weighting
CPC
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 7/10
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
10Polarisation diversity; Directional diversity
Applicants
  • QUALCOMM INCORPORATED [US]/[US]
  • CHEN, Bo [CN]/[CN] (US)
  • VITTHALADEVUNI, Pavan Kumar [US]/[US] (US)
  • ZHANG, Yu [CN]/[CN] (US)
  • MA, Ruifeng [CN]/[CN] (US)
  • SORIAGA, Joseph Binamira [US]/[US] (US)
  • JI, Tingfang [US]/[US] (US)
Inventors
  • CHEN, Bo
  • VITTHALADEVUNI, Pavan Kumar
  • ZHANG, Yu
  • MA, Ruifeng
  • SORIAGA, Joseph Binamira
  • JI, Tingfang
Agents
  • NTD PATENT & TRADEMARK AGENCY LTD.
Priority Data
PCT/CN2018/10802727.09.2018CN
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SUBBAND-GRANULARITY LINEAR COMBINATION FOR A CSI CODEBOOK
(FR) COMBINAISON LINÉAIRE DE GRANULARITÉS DE SOUS-BANDES POUR RÉPERTOIRE DE CODES DE CSI
Abstract
(EN)
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine channel state information for a communication link, wherein the channel state information is based at least in part on a linear combination associated with a plurality of beams of the communication link, wherein a first set of beams used for a first subband, of a plurality of subbands of the communication link, is different than a second set of beams used for a second subband of the plurality of subbands, and wherein the plurality of beams includes the first set of beams and the second set of beams; and transmit the channel state information. Numerous other aspects are provided.
(FR)
L'invention concerne de façon générale, selon divers aspects, la communication sans fil. Selon certains aspects, un équipement d'utilisateur peut déterminer des informations d'état de canal relatives à une liaison de communication, les informations d'état de canal étant basées au moins en partie sur une combinaison linéaire associée à une pluralité de faisceaux de la liaison de communication, un premier ensemble de faisceaux utilisé pour une première sous-bande, parmi une pluralité de sous-bandes de la liaison de communication, étant différent d'un second ensemble de faisceaux utilisé pour une seconde sous-bande de la pluralité de sous-bandes, et la pluralité de faisceaux comprenant le premier ensemble de faisceaux et le second ensemble de faisceaux; et émettre les informations d'état de canal. De nombreux autres aspects sont décrits.
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