Patent ID: 11962517
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The method according to claim 7, wherein after the receiving, by the first terminal, a first feedback packet that is sent by the second terminal when the second terminal receives a first packet, the method further comprises:
receiving, by the first terminal, a second feedback packet sent by the second terminal when the second terminal receives a second packet, wherein the second feedback packet is used to indicate that the second packet is a falsely retransmitted packet, the second packet is a packet sent by the first terminal when the first terminal detects that a packet in the at least one service packet is lost, and the second packet is a lost packet in the at least one service packet; and
determining, by the first terminal, based on the first identification information and the second feedback packet, that a reason why a service packet sending rate continues to decrease and/or that a reason of the falsely retransmitted packet is due to the recovery according to the local recovery mechanism performed on a packet lost on a network.