Patent ID: 11917043
Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC G  H

Claim 4:
5. The method according to claim 4, wherein the determining, by the first device, the link state based on the check result of the check on the packet header comprises:
acquiring, by the first device, first check information and second information in the packet header, wherein the second information is information other than the first check information in the packet header;
generating, by the first device, second check information based on the second information;
determining, by the first device, the link state being the idle state based on a determination that the first check information and the second check information are different; and
determining, by the first device, the link state based on at least one of a data packet type in the packet header and whether the data packet comprises the load based on a determination that the first check information and the second check information are identical.