Patent ID: 11949490
Assignee: KYOCERA CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. A method comprising:
receiving, by a reception side RLC entity of a relay apparatus, data from a first communication apparatus
transmitting, by a transmission side RLC entity of the relay apparatus to a second communication apparatus, the data received by the reception side RLC entity;
receiving, by the transmission side RLC entity from the second communication apparatus, a first acknowledgement indicating that the second communication apparatus has successfully received the transmitted data;
transmitting, by the reception side RLC entity to the first communication apparatus, a second acknowledgement indicating that the reception side RLC entity has successfully received the data after waiting until the transmission side RLC entity receives the first acknowledgement;
acquiring, by an upper entity positioned in an upper layer than the reception side RLC entity and the transmission side RLC entity, from the transmission side RLC entity, information regarding the first acknowledgement;
providing, by the upper entity, the acquired information to the reception side RLC entity, and
confirming, by the reception side RLC entity, that the transmission side RLC entity has received the first acknowledgement based on the information received from the upper entity.