US 11,723,091 B2
Unicast connection establishment method for direct link, terminal and device
Rui Zhao, Beijing (CN); Fangchen Cheng, Beijing (CN); Jiayi Fang, Beijing (CN); and Ying Peng, Beijing (CN)
Assigned to DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD., Beijing (CN)
Appl. No. 17/267,459
Filed by DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD., Beijing (CN)
PCT Filed Aug. 5, 2019, PCT No. PCT/CN2019/099197
§ 371(c)(1), (2) Date Feb. 9, 2021,
PCT Pub. No. WO2020/029902, PCT Pub. Date Feb. 13, 2020.
Claims priority of application No. 201810912081.0 (CN), filed on Aug. 10, 2018.
Prior Publication US 2021/0315033 A1, Oct. 7, 2021
Int. Cl. G06F 15/16 (2006.01); H04W 76/14 (2018.01); H04B 17/318 (2015.01); H04W 8/24 (2009.01); H04W 24/10 (2009.01); H04W 28/02 (2009.01); H04W 68/00 (2009.01)
CPC H04W 76/14 (2018.02) [H04B 17/318 (2015.01); H04W 8/24 (2013.01); H04W 24/10 (2013.01); H04W 28/0278 (2013.01); H04W 68/005 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A unicast connection establishment method for a direct link, applied to a first terminal and comprising:
determining, according to status information of at least one second terminal, one terminal of the at least one second terminal as a target terminal for a unicast communication of a direct link; and
establishing a unicast connection of the direct link with the target terminal, and determining transmission configuration information for performing a unicast data communication with the target terminal;
wherein the status information comprises service characteristic information of the services that the at least one second terminal is capable of providing;
the determining, according to the status information of at least one second terminal, one terminal of the at least one second terminal as the target terminal for the unicast communication of the direct link comprises:
after sending a paging message, obtaining the service characteristic information of the services that the at least one second terminal is capable of providing, by obtaining a paging response message sent by the at least one second terminal in response to the paging message, and determining one terminal of the at least one second terminal as the target terminal for the unicast communication of the direct link; the paging message comprises service characteristic information of a unicast communication service which is requested by the first terminal to establish;
the services that the at least one second terminal is capable of providing comprise a Vehicle-to-X (V2X) service.