CHANNEL ACCESS PROCEDURE BASED ON CHANNEL ACCESS PRIORITY CLASS

WIPO Patent Application WO/2021/026783

A1

Embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media of channel access procedure based on the channel access priority class (CAPC). The method comprises receiving scheduling information from a second device, the scheduling information at least indicating resources allocated for a transmission from the first device to the second device, a channel access type for the transmission and an expected access priority for the transmission. The method further comprises comparing the expected access priority with an access priority of data in a buffer of the first device and determining use of the resources based on the comparison. In this way, the Channel Occupancy Time (COT) sharing can be used only for the data with higher or equal priority to avoid unintended usage of the grant on unlicensed band and coexistence fairness among nodes with different types of traffic to be transmitted may be achieved.

WU CHUNLI (CN)
TURTINEN SAMULI (FI)
TAO TAO (CN)
LUNTTILA TIMO (FI)

PCT/CN2019/100450

February 18, 2021

August 13, 2019

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NOKIA SHANGHAI BELL CO LTD (CN)
NOKIA SOLUTIONS & NETWORKS OY (FI)
NOKIA TECHNOLOGIES OY (FI)

H04W74/08

CN107135461A	2017-09-05
CN109155713A	2019-01-04
CN107135461A	2017-09-05
EP3435580A1	2019-01-30
US20180115981A1	2018-04-26
EP3609284A1	2020-02-12
EP3726919A1	2020-10-21

MEDIATEK INC: "On Channel Access Procedure", 3GPP DRAFT; R1-1904482_ON CHANNEL ACCESS PROCEDURE_FINAL, vol. RAN WG1, 30 March 2019 (2019-03-30), Xi’an, China, pages 1 - 13, XP051691541

KING & WOOD MALLESONS (CN)

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