Title:
METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/162517
Kind Code:
A1
Abstract:
Disclosed are a method and an apparatus for transmitting and receiving channel state information in a wireless communication system. A method for transmitting channel state information (CSI) according to an embodiment of the present disclosure may comprise the steps of: receiving configuration information related to the CSI from a base station, wherein the configuration information includes information on a CSI-RS resource set; receiving a CSI-reference signal (CSI-RS) from the base station; and transmitting the CSI to the base station on the basis of the configuration information and the CSI-RS. The CSI-RS resource set may include M (M is a natural number) CSI-RS resource groups; N (N≤M, where N is a natural number) CSI-RS resource groups for reporting the CSI may be determined from the M CSI-RS resource groups; the CSI may include N CSI sets generated on the basis of a CSI-RS resource combination in the N CSI-RS resource groups; in order to generate an nth (1≤n≤N) CSI set, a specific CSI-RS resource in an nth (1≤n≤N) CSI-RS resource group may be used for channel measurement; and a specific CSI-RS resource in the remaining CSI-RS groups other than the nth CSI-RS resource group may be used for interference measurement.
Inventors:
KIM KYUSEOK (KR)
KIM HYUNGTAE (KR)
KANG JIWON (KR)
PARK HAEWOOK (KR)
KIM HYUNGTAE (KR)
KANG JIWON (KR)
PARK HAEWOOK (KR)
Application Number:
PCT/KR2021/001895
Publication Date:
August 19, 2021
Filing Date:
February 15, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04B7/06; H04B7/024; H04B7/0417; H04B17/318; H04B17/345; H04L5/00; H04W72/04
Domestic Patent References:
| WO2019160384A1 | 2019-08-22 |
Foreign References:
| KR20190117704A | 2019-10-16 |
Other References:
HUAWEI, HISILICON: "CSI measurement enhancement for multi-TRP/panel transmission", 3GPP DRAFT; R1-1903100, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), 16 February 2019 (2019-02-16), XP051600796
SPREADTRUM COMMUNICATIONS: "Discussion on Multi-TRP transmission", 3GPP DRAFT; R1-1912562, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), 8 November 2019 (2019-11-08), XP051820084
ERICSSON: "CSI feedback for multi-TRP", 3GPP DRAFT; R1-1714286 CSI FEEDBACK FOR MULTI-TRP, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), 20 August 2017 (2017-08-20), XP051317072
3GPP LTE, TS 36.211
3GPP NR, TS 38.211
SPREADTRUM COMMUNICATIONS: "Discussion on Multi-TRP transmission", 3GPP DRAFT; R1-1912562, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), 8 November 2019 (2019-11-08), XP051820084
ERICSSON: "CSI feedback for multi-TRP", 3GPP DRAFT; R1-1714286 CSI FEEDBACK FOR MULTI-TRP, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), 20 August 2017 (2017-08-20), XP051317072
3GPP LTE, TS 36.211
3GPP NR, TS 38.211
Attorney, Agent or Firm:
CHOE, Yun Seo et al. (KR)
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