METHOD FOR TRANSMITTING AND RECEIVING PDSCH IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE FOR SAME

WIPO Patent Application WO/2021/066624

A1

Disclosed are a method for transmitting and receiving a PDSCH in a wireless communication system, and a device for same. Specifically, the method for a terminal to receive a PDSCH comprises the steps of: receiving setting information; receiving, on the basis of the setting information, Downlink Control Information (DCI) for scheduling the PDSCH, wherein the DCI includes a frequency domain resource assignment field and a Transmission configuration indication (TCI) field; and receiving the PDSCH on frequency domain resource blocks assigned on the basis of the frequency domain resource assignment field, wherein the assigned frequency domain resource blocks are divided, on the basis of a first TCI state and a second TCI state being indicated by the TCI field, into first resource blocks corresponding to the first TCI state and second resource blocks corresponding to the second TCI state, and the first resource blocks and the second resource blocks do not overlap. The method further includes a step for receiving a Phase Tracking Reference Signal (PTRS) mapped to a resource element, wherein, on the basis of (i) a plurality of the TCI states being indicated on the basis of the TCI field and (ii) the first resource blocks and the second resource blocks not being overlapped with each other, (a) the frequency density of the PTRSes can be determined by the number of resource blocks associated with each TCI state, and (b) the mapping of the PTRS to the resource element can be associated with the resource blocks assigned to each TCI state.

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JP2012209649	COMMUNICATION SYSTEM, MOBILE STATION DEVICE, BASE STATION DEVICE, RADIO RESOURCE ALLOCATION METHOD AND INTEGRATED CIRCUIT
JP4326700	Systems and methods for preferred access channel allocation in cellular telephone systems

KIM KYUSEOK (KR)
KIM HYUNGTAE (KR)
KANG JIWON (KR)

PCT/KR2020/013503

April 08, 2021

October 05, 2020

Click for automatic bibliography generation  

LG ELECTRONICS INC (KR)

H04W72/12; H04B7/024; H04B7/06; H04L5/00; H04W72/04

WO2018203695A1	2018-11-08
WO2017200315A1	2017-11-23

QUALCOMM INCORPORATED: "Multi-TRP Enhancements", 3GPP DRAFT; R1-1909272 MULTI-TRP ENHANCEMENTS, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Prague, Czech Republic; 20190826 - 20190830, 17 August 2019 (2019-08-17), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, pages 1 - 32, XP051765877
VIVO: "Remaining issues on multi-TRP/Panel transmission", 3GPP DRAFT; R1-1908166_REMAINING ISSUES ON MULTI-TRPPANEL TRANSMISSION_FINAL, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Prague, CZ; 20190826 - 20190830, 17 August 2019 (2019-08-17), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051764785
CATT: "Considerations on multi-TRP/panel transmission", 3GPP DRAFT; R1-1908602, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Prague, CZ; 20190826 - 20190830, 17 August 2019 (2019-08-17), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051765210

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