US 12,245,084 B2
Method and apparatus for pre-emption of a sidelink resource
Xiaodong Yu, Beijing (CN); Zhennian Sun, Beijing (CN); Haipeng Lei, Beijing (CN); Lianhai Wu, Beijing (CN); and Jing Han, Beijing (CN)
Assigned to Lenovo (Beijing) Limited, Beijing (CN)
Appl. No. 17/421,942
Filed by LENOVO (BEIJING) LIMITED, Beijing (CN)
PCT Filed Jan. 10, 2019, PCT No. PCT/CN2019/071195
§ 371(c)(1), (2) Date Jul. 9, 2021,
PCT Pub. No. WO2020/142990, PCT Pub. Date Jul. 16, 2020.
Prior Publication US 2022/0124562 A1, Apr. 21, 2022
Int. Cl. H04W 28/26 (2009.01); H04W 72/20 (2023.01); H04W 4/40 (2018.01)
CPC H04W 28/26 (2013.01) [H04W 72/20 (2023.01); H04W 4/40 (2018.02)] 18 Claims
OG exemplary drawing
 
17. A first user equipment (UE), comprising:
at least one memory; and
at least one processor coupled with the at least one memory and configured to cause the first UE to:
determine a reserved sidelink resource;
transmit a signal to a second UE, the signal indicating:
the reserved sidelink resource;
a detecting resource for receiving a pre-emption indication;
a time and/or frequency location of the detecting resource, wherein the signal indicates the time and/or frequency location of the detecting resource by an offset with respect to a time and/or frequency location of the reserved sidelink resource; and
a grant resource for transmitting a grant indication, wherein the signal indicates a time and/or frequency location of the grant resource by an offset with respect to the time and/or frequency location of the reserved sidelink resource; and
in response to the pre-emption indication being received from the second UE:
transmit the grant indication indicating the reserved sidelink resource is pre-empted by the second UE; and
release the reserved sidelink resource to the second UE.