METHODS AND APPARATUS FOR CSI-RS PORT SUBSET INDICATION

WIPO Patent Application WO/2019/052407

A1

Certain aspects of the present disclosure relate to communication systems, and more particularly, to a partial channel state information reference signal (CSI-RS) port indication. A method by a base station (BS) includes configuring a user equipment (UE) with a CSI-RS resource, of one or more CSI-RS resources associated with a CSI report. The CSI-RS includes a set of CSI-RS ports. The BS provides a first indication to the UE of a subset of groups of the CSI-RS ports to be used by the UE for channel measurements and/or a second indication to the UE of a subset of groups of the CSI-RS to be used by the UE for interference measurements. Based on the indication, the UE performs channel measurements and/or interference measurements using the indicated subset of CSI-RS ports.

HAO CHENXI (US)
ZHANG YU (CN)
WEI CHAO (US)
CHEN WANSHI (US)
XU HAO (US)

PCT/CN2018/104714

March 21, 2019

September 08, 2018

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QUALCOMM INC (US)
HAO CHENXI (CN)
ZHANG YU (CN)
WEI CHAO (CN)
CHEN WANSHI (US)
XU HAO (CN)

H04W24/10

CN107113034A	2017-08-29
US20160080052A1	2016-03-17

"Details of CSI Measurement", 3GPP TSG RAN WG1 #90 RL-1713394, 12 August 2017 (2017-08-12), XP051316199
"Details of CSI Acquisition", GPP TSG RAN WGI NRAD-HOC#2 RL-1711163, 17 June 2017 (2017-06-17), XP051300363
QUALCOMM INC.: "Details of CSI measurement", 3GPP DRAFT, RL-1713394

NTD PATENT & TRADEMARK AGENCY LTD. (CN)

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