TECHNIQUES FOR CHANNEL STATE INFORMATION FEEDBACK WITH HETEROGENOUS PANEL DEPLOYMENT

Title:

TECHNIQUES FOR CHANNEL STATE INFORMATION FEEDBACK WITH HETEROGENOUS PANEL DEPLOYMENT

Document Type and Number:

WIPO Patent Application WO/2023/035174

Kind Code:

A1

Abstract:

Methods, systems, and devices for wireless communications are described. A base station may transmit a channel state information (CSI) reference signal (CSI-RS) to a user equipment (UE) using heterogenous antenna panels, where a first antenna panel used to transmit the CSI-RS may have a different number of antenna ports than a second antenna panel used to transmit the CSI-RS. The UE may generate a codebook to report CSI based on the heterogenous antenna panels. In some cases, the UE may report compressed CSI if the antenna panels are in close proximity together.

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Inventors:

LEE HYOJIN (US)
ZHANG YU (US)
LY HUNG DINH (US)
KWON HWAN JOON (US)

Application Number:

PCT/CN2021/117398

Publication Date:

March 16, 2023

Filing Date:

September 09, 2021

Export Citation:

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Assignee:

QUALCOMM INC (US)
LEE HYOJIN (US)
ZHANG YU (CN)
LY HUNG DINH (US)
KWON HWAN JOON (US)

International Classes:

H04B7/0456

Domestic Patent References:

WO2018031807A1

2018-02-15

Foreign References:

US20190260453A1	2019-08-22
US20180309490A1	2018-10-25

Attorney, Agent or Firm:

NTD PATENT & TRADEMARK AGENCY LTD. (CN)

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