Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via frequency channels
Reexamination Certificate
2006-10-03
2006-10-03
Rao, Seema S. (Department: 2616)
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via frequency channels
C370S252000, C725S111000, C725S107000
Reexamination Certificate
active
07116685
ABSTRACT:
A bi-directional communication system advantageously automatically senses and reports problems to a central operator network management station and operates with fewer subscriber service interruptions by detecting and correcting such conditions before they result in subscriber service interruption. Specifically, a system adaptively varies upstream transmission power level to prevent communication interruption in a cable modem network. A method for adaptively adjusting communication operation by varying a transmission parameter involves retrieving a communication parameter from memory and comparing the retrieved parameter with a predetermined threshold. A message is transmitted to a CATV head-end at a remote site representing that the parameter value indicates adjustment of the parameter is necessary.
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“Cisco uBR7200 Series MC16S Cable Modem”, article found at: http://www.ieng.com/univercd/cc/td/doc/product/software/ios120/120newft/1201.../mc16s.ht, Sep. 8, 2000, pp. 1-2 of 33 and 23-30 of 33.
Brown Larry Cecil
Gervais John Alan
Eriksen Guy H.
Kurdyla Ronald H.
Laks Joseph J.
Moore Michael J.
Rao Seema S.
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