HOP-BASED CHANNEL OCCUPANCY TIME (COT) SHARING

WIPO Patent Application WO/2021/212254

A1

This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer storage media, for hop-based channel occupancy time (COT) sharing. In one aspect, a first device, such as a user equipment (UE), may receive a sidelink control message from a second device. The sidelink control message may include sharing information for a COT of a communication link. The first device may determine whether further sharing of the COT is supported based on the sidelink control message. For example, if sharing of the COT is supported, the first device may transmit an additional sidelink message in the COT, such as data to a third device or feedback to the second device. In some examples, multiple UEs may share a same COT using multi-hop COT sharing. Sidelink COT sharing may be based on a sharing indicator, a hop counter, a distance threshold, a group index, or any combination thereof.

JP6612422	Transmission of uplink control channel information when unlicensed carrier clear channel assessment fails
JPWO2014148069	Communication control device and communication control method
WO/2017/170887	USER TERMINAL, WIRELESS BASE STATION, AND WIRELESS COMMUNICATION METHOD

SUN JING (US)
ZHANG XIAOXIA (US)
XU CHANGLONG (US)
OZTURK OZCAN (US)
XUE YISHENG (US)
LIU CHIH-HAO (US)

PCT/CN2020/085522

October 28, 2021

April 20, 2020

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QUALCOMM INC (US)
SUN JING (US)
ZHANG XIAOXIA (US)
XU CHANGLONG (CN)
OZTURK OZCAN (US)
XUE YISHENG (US)
LIU CHIH HAO (US)

H04W16/14; H04W74/00

CN110784874A	2020-02-11
CN110475343A	2019-11-19
CN110100466A	2019-08-06

NTD PATENT & TRADEMARK AGENCY LTD. (CN)

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