METHOD AND APPARATUS FOR MANAGING CHANNEL STATUS INFORMATION IN A WIRELESS COMMUNICATION SYSTEM

Title:

METHOD AND APPARATUS FOR MANAGING CHANNEL STATUS INFORMATION IN A WIRELESS COMMUNICATION SYSTEM

Document Type and Number:

WIPO Patent Application WO/2023/158220

Kind Code:

A1

Abstract:

According to various embodiments, a method performed by a user equipment (UE) in a wireless communication system, comprising: receiving, from a base station, a channel state information (CSI)-reference signal (RS) during an observation window (OW); predicting at least one first type CSI report during the OW; transmitting, to the base station, the at least one predicted first type CSI report during the OW and a second type CSI report at an end of the OW based on the received CSI-RS. The linear prediction based method is used for CSI-feedback in the wireless communication network, in situations where high/medium velocity feedback (i.e., Doppler) is present. The method can be used to enable a CSI-Type 2 codebook feedback feature during a mobility scenario.

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Inventors:

MURALIDHAR KARTHIK (IN)
RAHMAN MD SAIFUR (US)
MULGAONKAR DATTARAJ DILEEP RAUT (IN)
SHARMA DIWAKAR (IN)
ONGGOSANUSI EKO (US)

Application Number:

PCT/KR2023/002222

Publication Date:

August 24, 2023

Filing Date:

February 15, 2023

Export Citation:

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Assignee:

SAMSUNG ELECTRONICS CO LTD (KR)

International Classes:

G06N20/00; H04B7/06; H04B17/373; H04W72/231; H04W72/232

Domestic Patent References:

WO2022027417A1

2022-02-10

Foreign References:

US20200014449A1	2020-01-09
US20200186222A1	2020-06-11
KR102108470B1	2020-05-08

Other References:

ERICSSON: "Discussion on RRM requirements for SCell (de)activation with PUCCH", 3GPP DRAFT; R4-2118754, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG4, no. Electronic Meeting; 20211101 - 20211112, 22 October 2021 (2021-10-22), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052070118

Attorney, Agent or Firm:

KWON, Hyuk-Rok et al. (KR)

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