Title:
CHANNEL STATE INFORMATION ACQUISITION FOR HOLOGRAPHIC MULTIPLE-INPUT MULTIPLE-OUTPUT
Document Type and Number:
WIPO Patent Application WO/2022/087766
Kind Code:
A1
Abstract:
Certain aspects of the present disclosure provide techniques for acquiring channel state information (CSI) for use in determining beams to be used when transmitting with holographic multiple-input multiple-output (MIMO) techniques. A method that may be performed by a user equipment (UE) includes receiving a reference signal (RS) comprising an RS sequence transmitted using different antenna ports of a base station (BS) and different cyclic shifts (CSs); and transmitting, to the BS, a channel estimate based on the RS.
Inventors:
XI WEI (US)
ZHANG YU (US)
XU HAO (US)
WEI CHAO (US)
WU LIANGMING (US)
HAO CHENXI (US)
HUANG MIN (US)
LI QIAOYU (US)
DAI JING (US)
HU RUI (US)
XU CHANGLONG (US)
LIU KANGQI (US)
LI JIAN (US)
GAAL PETER (US)
ZHANG YU (US)
XU HAO (US)
WEI CHAO (US)
WU LIANGMING (US)
HAO CHENXI (US)
HUANG MIN (US)
LI QIAOYU (US)
DAI JING (US)
HU RUI (US)
XU CHANGLONG (US)
LIU KANGQI (US)
LI JIAN (US)
GAAL PETER (US)
Application Number:
PCT/CN2020/123550
Publication Date:
May 05, 2022
Filing Date:
October 26, 2020
Export Citation:
Assignee:
QUALCOMM INC (US)
XI WEI (CN)
ZHANG YU (CN)
XU HAO (CN)
WEI CHAO (CN)
WU LIANGMING (CN)
HAO CHENXI (CN)
HUANG MIN (CN)
LI QIAOYU (CN)
DAI JING (CN)
HU RUI (CN)
XU CHANGLONG (CN)
LIU KANGQI (CN)
LI JIAN (CN)
GAAL PETER (US)
XI WEI (CN)
ZHANG YU (CN)
XU HAO (CN)
WEI CHAO (CN)
WU LIANGMING (CN)
HAO CHENXI (CN)
HUANG MIN (CN)
LI QIAOYU (CN)
DAI JING (CN)
HU RUI (CN)
XU CHANGLONG (CN)
LIU KANGQI (CN)
LI JIAN (CN)
GAAL PETER (US)
International Classes:
H04L5/00; H04W72/04
Domestic Patent References:
WO2017099836A1 | 2017-06-15 | |||
WO2018156515A1 | 2018-08-30 |
Foreign References:
CN110892769A | 2020-03-17 |
Other References:
INTEL CORPORATION: "Discussion on CSI-RS design for NR", 3GPP DRAFT; R1-1609528, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Lisbon, Portugal; 20161010 - 20161014, 1 October 2016 (2016-10-01), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051159598
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LTD. (CN)
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