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Title:
DEDICATED RESOURCE CONFIGURATION FOR TRANSMISSION OF DEMODULATION REFERENCE SIGNAL
Document Type and Number:
WIPO Patent Application WO/2022/077524
Kind Code:
A1
Abstract:
Embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media of dedicated resource configuration for transmission of DMRS. The method comprises receiving, at a first device and from a second device, an indication of a resource range, related to a transmission of a demodulation reference signal associated with a control channel reception, comprising at least one of the following: at least one entire resource element group, or at least one entire control channel element; and wherein the resource elements located in the resource range are dedicated for the transmission of the demodulation reference signal and unavailable for a transmission of control information from the second device; receiving the demodulation reference signal based on the indication; and decoding a control channel between the first and second devices based on the demodulation reference signal. In this way, the channel estimation accuracy can be improved in a case of a weak PDCCH coverage. Meanwhile, the total overhead for PDCCH and corresponding DMRS can be flexible and reduced compared with increasing the aggregation level or PDDCH repetition.

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Inventors:
SUN JINGYUAN (CN)
RATASUK RAPEEPAT (US)
BHATOOLAUL DAVID (GB)
Application Number:
PCT/CN2020/121709
Publication Date:
April 21, 2022
Filing Date:
October 16, 2020
Export Citation:
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Assignee:
NOKIA SHANGHAI BELL CO LTD (CN)
NOKIA SOLUTIONS & NETWORKS OY (FI)
NOKIA TECHNOLOGIES OY (FI)
International Classes:
H04W72/04
Foreign References:
CN108365933A2018-08-03
US20190166614A12019-05-30
Other References:
SPREADTRUM COMMUNICATIONS: "Discussion on NR sidelink Mode 2 resource allocation", 3GPP DRAFT; R1-1910007 DISCUSSION ON NR SIDELINK MODE 2 RESOURCE ALLOCATION_FINAL, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Chongqing, China; 20191014 - 20191020, 1 October 2019 (2019-10-01), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051788814
Attorney, Agent or Firm:
KING & WOOD MALLESONS (CN)
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