Patent ID: 11882615
Assignee: ARRIS ENTERPRISES LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. A method for updating a transmit time of a subsequent keep-alive message addressed to a computer, comprising:
by a radio node:
updating, prior to a transmit expire time, a transmit time of a subsequent keep-alive message addressed to the computer based at least in part on a receive time of a keep-alive authorization associated with the computer and the transmit expire time, wherein the keep-alive authorization extends authorization of the radio node to transmit in a granted portion of a spectrum until a subsequent transmit expire time has elapsed; and
transmitting, at the updated transmit time, which is prior to the subsequent transmit expire time, the subsequent keep-alive message addressed to the computer, wherein the subsequent keep-alive message requests authorization to continue transmitting in the granted portion of the spectrum.