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1. WO2020135534 - PRECODING METHOD AND DEVICE AND INFORMATION TRANSMISSION METHOD AND DEVICE

Publication Number WO/2020/135534
Publication Date 02.07.2020
International Application No. PCT/CN2019/128474
International Filing Date 25.12.2019
IPC
H04B 7/0413 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
CPC
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 7/0456
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
H04L 5/00
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
H04L 5/0053
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
Applicants
  • 华为技术有限公司 HUAWEI TECHNOLOGIES CO., LTD. [CN]/[CN]
Inventors
  • 夏欣 XIA, Xin
  • 张珍兵 ZHANG, Zhenbing
  • 刘云 LIU, Yun
  • 官鹭 GUAN, Lu
Agents
  • 北京中博世达专利商标代理有限公司 BEIJING ZBSD PATENT&TRADEMARK AGENT LTD.
Priority Data
201811603975.826.12.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) PRECODING METHOD AND DEVICE AND INFORMATION TRANSMISSION METHOD AND DEVICE
(FR) PROCÉDÉ ET DISPOSITIF DE PRÉCODAGE, ET PROCÉDÉ ET DISPOSITIF DE TRANSMISSION D'INFORMATIONS
(ZH) 预编码方法和装置及信息传输方法和装置
Abstract
(EN)
The present application relates to the technical field of communications, and discloses a precoding method and device and an information transmission method and device, which help to improve overall performance of a plurality of data streams corresponding to the same codeword. The precoding method comprises: decomposing a channel matrix into a product of a matrix Q, a matrix R, and a matrix PH, wherein the matrix PH is a conjugate transpose matrix of a matrix P, the matrix Q and the matrix P are both unitary matrices, and the matrix R is an upper triangular matrix; and precoding data to be sent according to the matrix P.
(FR)
La présente invention a trait au domaine technique des communications, et concerne un procédé et un dispositif de précodage et un procédé et un dispositif de transmission d'informations, qui aident à améliorer les performances globales d'une pluralité de flux de données correspondant au même mot de code. Le procédé de précodage consiste à décomposer une matrice de canal en un produit d'une matrice Q, d'une matrice R et d'une matrice PH, la matrice PH étant une matrice transposée conjuguée d'une matrice P, la matrice Q et la matrice P sont toutes deux des matrices unitaires, et la matrice R est une matrice triangulaire supérieure; et précoder des données à envoyer selon la matrice P.
(ZH)
本申请公开了预编码方法和装置及信息传输方法和装置,涉及通信技术领域,有助于提高同一个码字对应的多个数据流的整体性能。预编码方法包括:将信道矩阵分解成矩阵Q、矩阵R和矩阵PH的乘积;其中,矩阵PH是矩阵P的共轭转置矩阵,矩阵Q和矩阵P均是酉矩阵,矩阵R是上三角矩阵;根据矩阵P对待发送数据进行预编码。
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