	US 12,238,633 B2
	Access control at a relay user equipment
Yuqin Chen, Beijing (CN); Dawei Zhang, Saratoga, CA (US); Fangli Xu, Beijing (CN); Haijng Hu, Los Gatos, CA (US); Longda Xing, San Jose, CA (US); Murtaza A. Shikari, Mountain View, CA (US); Sethuraman Gurumoorthy, San Ramon, CA (US); Sree Ram Kodali, San Jose, CA (US); Srinivasan Nimmala, San Jose, CA (US); and Srirang A. Lovlekar, Fremont, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/755,700
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed Nov. 28, 2019, PCT No. PCT/CN2019/121546 § 371(c)(1), (2) Date May 5, 2022, PCT Pub. No. WO2021/102782, PCT Pub. Date Jun. 3, 2021.
Prior Publication US 2022/0394592 A1, Dec. 8, 2022
Int. Cl. H04W 40/24 (2009.01); H04W 24/08 (2009.01); H04W 88/04 (2009.01)

CPC H04W 40/246 (2013.01) [H04W 24/08 (2013.01); H04W 88/04 (2013.01)]

15 Claims

1. A method, comprising:

at a relay user equipment (UE) configured to operate as a relay between a remote UE and a network component:

determining at least one relay capability of the relay UE; and

performing a relay access control operation that indicates to the remote UE whether the remote UE is permitted to use the relay UE as the relay, wherein the access control operation comprises:

transmitting, to the network, a relay capability message including the at least one relay capability:

receiving, from the network, an authorized relay capability message; and

broadcasting a relay discovery advertisement including information based on the authorized relay capability message;

detecting an event that impacts the at least one relay capability, wherein the at least one relay capability is modified based on the event;

transmitting, to the network, an updated relay capability message including the modified at least one relay capability;

receiving, from the network, an updated authorized relay capability message; and

performing an operation with respect to a relay link between the relay UE and the remote UE, wherein the operation is based on the updated authorized relay capability message.