Technique for dynamically adjusting lookahead time for...

Details Technique for dynamically adjusting lookahead time for... Technique for dynamically adjusting lookahead time for...

2005-10-18

2005-10-18

Ngo, Ricky (Department: 2663)

Multiplex communications

Channel assignment techniques

Combining or distributing information via time channels...

C370S508000, C370S345000

Reexamination Certificate

active

06956865

ABSTRACT:
A technique is described for improving packet performance in an access network. The access network comprises a Head End and a plurality of nodes. The access network further includes at least one shared-access upstream channel used by the first plurality of nodes to communicate with the Head End. Propagation delay data associated with at least a portion of the plurality of nodes using the at least one upstream channel is obtained. The propagation delay data is then used to dynamically adjust the lookahead time value associated with the generating of MAP messages for the at least one upstream channel.

REFERENCES:
patent: 5862451 (1999-01-01), Grau et al.
patent: 5943604 (1999-08-01), Chen et al.
patent: 6181716 (2001-01-01), Lide
patent: 6430193 (2002-08-01), Raissinia et al.
patent: 6490727 (2002-12-01), Nazarathy et al.
patent: 6643295 (2003-11-01), Nose
“Data-Over-Cable Service Interface Specifications Radio Frequency Interface Specfilication SP-RFIv1.1-102-990731,” Jul. 31, 1999, Cable Television Laboratories, Inc., pp. 3, 13, 75, 78, 103-104, 108, and 110-111.
Data Over Cable Service Interface Specifications, Radio Frequency Interface Specification, SP-RFIv1.1-102-990731, 333 Pages, 1999.

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