Patent ID: 11962404
Assignee: COMCAST CABLE COMMUNICATIONS, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A system comprising:
a first device and a second device,
wherein the first device comprises:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the first device to:
receive a schedule indicating a plurality of pilot signals to be sent via a plurality of tones during a plurality of time periods;
send, to the second device, based on the schedule, and via the plurality of tones, the plurality of pilot signals;
adjust, based on data associated with sending of the plurality of pilot signals, a modulation scheme for subsequent sending of upstream signals via one or more of the plurality of tones; and
send, based on the adjusted modulation scheme and via the one or more of the plurality of tones, an upstream signal, and

wherein the second device is configured to receive the plurality of pilot signals.