US 9,866,438 B2
Method And System For Service Group Management In A Cable NetworkGeneral
US 9,866,438 B2
Method And System For Service Group Management In A Cable Network
Tech Center:
2400 Networking, Multiplexing, Cable, and Security
Examiner:
Dung B Huynh
Art Unit:
2469 Multiplex and VoIP
Agent:
Inventors:
Curtis Ling; Sridhar Ramesh; Timothy Gallagher
Assignee:
Priority:
07/23/13
Filed:
02/16/17
Granted:
01/09/18
Expiration:
07/23/32
Abstract
A cable modem termination system (CMTS) may determine, for a plurality of cable modems served by the CMTS, a corresponding plurality of SNR-related metrics. The CMTS may assigning the modems among a plurality of service groups based on the SNR-related metrics. For any one of the modems, the CMTS may configure physical layer communication parameters to be used by the one of the modems based on a SNR-related metric of a service group to which the one of the modems is assigned. The physical layer communication parameters may include one or more of: transmit power, receive sensitivity, timeslot duration, modulation type, modulation order, forward error correction (FEC) type, and FEC code rate. The CMTS and the modems may communicate using orthogonal frequency division multiplexing (OFDM) over a plurality of subcarriers, and the physical layer communication parameters may be determined on a per-subcarrier basis.
Cooperative Patent Classification (CPC)
H04H04B17/318H04L12/2801H04B