US 12,395,919 B2
Method and apparatus for a relay UE supporting connection with another remote UE in a wireless communication system
Richard Lee-Chee Kuo, Taipei (TW)
Assigned to ASUSTek Computer Inc., Taipei (TW)
Filed by ASUSTek Computer Inc., Taipei (TW)
Filed on Dec. 9, 2022, as Appl. No. 18/078,468.
Claims priority of provisional application 63/296,293, filed on Jan. 4, 2022.
Prior Publication US 2023/0217346 A1, Jul. 6, 2023
Int. Cl. H04W 40/24 (2009.01); H04W 40/22 (2009.01); H04W 76/14 (2018.01)
CPC H04W 40/22 (2013.01) [H04W 40/246 (2013.01); H04W 76/14 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A method for a relay User Equipment (UE) supporting connection with another UE, comprising:
the relay UE establishes a first PC5 unicast link with a first UE and establishes a second PC5 unicast link with a second UE;
the relay UE forwards data from the first UE to the second UE;
the relay UE receives a Link Modification Request message from the first UE, wherein the Link Modification Request message includes a third User Info of a third UE;
the relay UE transmits a Direct Communication Request message to the third UE in response to receiving the Link Modification Request message from the first UE, wherein the Direct Communication Request message includes a first User Info of the first UE, a User Info of the relay UE, a Relay Service Code (RSC), and the third User Info of the third UE, and wherein the third User Info of the third UE is an Application Layer identity (ID) of the third UE;
the relay UE receives a Direct Communication Accept message from the third UE; and
the relay UE transmits a Link Modification Accept message to the first UE in response to reception of the Direct Communication Accept message, wherein the Link Modification Accept message includes the third User Info of the third UE.