US 12,414,032 B2
Relay method, routing table generation method and apparatus, terminal, and storage medium
Qianxi Lu, Guangdong (CN)
Assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed on Aug. 18, 2022, as Appl. No. 17/890,276.
Application 17/890,276 is a continuation of application No. PCT/CN2020/076485, filed on Feb. 24, 2020.
Prior Publication US 2022/0408344 A1, Dec. 22, 2022
Int. Cl. H04W 40/24 (2009.01); H04W 76/14 (2018.01); H04W 80/02 (2009.01); H04W 92/18 (2009.01)
CPC H04W 40/248 (2013.01) [H04W 76/14 (2018.02); H04W 80/02 (2013.01); H04W 92/18 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A relay UE, comprising a relay protocol stack, the relay protocol stack being located between a packet data convergence protocol (PDCP) layer and a layer 2 protocol stack of a PC5 interface, and the relay protocol stack comprising a relay receiving entity and a relay sending entity;
wherein the relay UE comprises method comprising:
a processor; and
memory for storing executable instructions for the processor;
wherein the processor is configured to execute the instructions stored in the memory to cause the relay UE to perform:
receiving a relay protocol data unit (PDU) sent by a last hop node through the relay receiving entity; and forwarding the relay PDU to the relay sending entity;
sending the relay PDU to a next hop node through the relay sending entity according to a protocol header of the relay PDU;
wherein the relay PDU is a PDU sent between at least two remote UEs;
wherein the relay PDU comprises a first relay PDU; and the first relay PDU is a PDU sent by a first remote UE to a second remote UE;
wherein a protocol header of the first relay PDU comprises a first source ID and a first destination ID; the first source ID comprises a UE ID of the first remote UE; and the first destination ID comprises a UE ID of the second remote UE;
wherein the processor is further configured to execute the instructions stored in the memory to cause the relay UE to perform:
when a first routing relationship corresponding to the first destination ID is included in a relay routing table, sending the first relay PDU to the next hop node through the relay sending entity according to the first routing relationship;
wherein the first routing relationship comprises the UE ID of the second remote UE and a node ID of the next hop node, and the first routing relationship is a routing relationship when the UE ID of the second remote UE is used as the destination ID.