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

Claim 45:
46. An apparatus comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the apparatus to:
send, based on a schedule indicating a plurality of pilot signals to be sent via a plurality of tones during a plurality of time periods, the plurality of pilot signals via the plurality of tones;
receive, after sending the plurality of pilot signals, data indicating:
a fundamental tone, of the plurality of tones, that is allocated to the apparatus;
one or more harmonic tones corresponding to the fundamental tone; and
adjustments of one or more modulation schemes for sending of subsequent upstream signals via the fundamental tone and the one or more harmonic tones; and

send, based on the adjusted one or more modulation schemes and via the fundamental tone or the one or more harmonic tones, an upstream signal.