Title:
METHODS AND APPARATUS OF CODEBOOK ENHANCEMENT FOR COHERENT JOINT TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2023/206353
Kind Code:
A1
Abstract:
Methods and apparatus of codebook enhancement for coherent joint transmission are disclosed. The apparatus includes: a receiver that receives a configuration signalling for a first codebook and a second codebook, wherein the first codebook is for Channel State Information (CSI) reporting to a first transmitting-receiving entity, and the second codebook is for CSI reporting to a second transmitting-receiving entity; a processor that determines a Precoder Matrix Indicator (PMI) based on the second codebook comprising one or more phase adjustment coefficients; and a transmitter that transmits the PMI in reporting of CSI.
Inventors:
ZHANG YI (CN)
ZHU CHENXI (US)
LING WEI (CN)
LIU BINGCHAO (CN)
XIAO LINGLING (CN)
ZHU CHENXI (US)
LING WEI (CN)
LIU BINGCHAO (CN)
XIAO LINGLING (CN)
Application Number:
PCT/CN2022/090255
Publication Date:
November 02, 2023
Filing Date:
April 29, 2022
Export Citation:
Assignee:
LENOVO BEIJING LTD (CN)
International Classes:
H04B7/0456
Foreign References:
| CN112655157A | 2021-04-13 | |||
| CN114009126A | 2022-02-01 | |||
| CN110603745A | 2019-12-20 | |||
| US20200336182A1 | 2020-10-22 |
Other References:
ERICSSON: "CSI enhancements for Multi-TRP and FR1 FDD reciprocity", 3GPP DRAFT; R1-2105807, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Online; 20210510 - 20210527, 12 May 2021 (2021-05-12), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052011728
Attorney, Agent or Firm:
CHINA SINDA INTELLECTUAL PROPERTY LIMITED (CN)
Download PDF: