Multiplex communications – Diagnostic testing – Determination of communication parameters
Reexamination Certificate
2008-06-03
2008-06-03
Abelson, Ronald (Department: 2619)
Multiplex communications
Diagnostic testing
Determination of communication parameters
C370S248000, C379S032010
Reexamination Certificate
active
07382735
ABSTRACT:
A method and system is provided for monitoring the quality of signal transmissions in a communications network by calculating Quality of Services (QoS) scores and corresponding Transmission Impairment Test (TIT) scores, and then monitoring a QoS score to predict a corresponding TIT score. When the predicted TIT score goes below a minimum value, an administrator of the communications network will be informed so that the administrator can determine if services may be needed to restore the quality of signal transmissions. In an embodiment, the communications network includes a cable modem termination system (CMTS); a voice band tester (VBT) coupled to the CMTS; a cable modem tester coupled to the CMTS; and a Voice over Internet Packet (VoIP) monitoring device coupled to the CMTS and the voice band tester. The cable modem tester is located at a location remote from the VBT.
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patent: 6292468 (2001-09-01), Sanderson
patent: 7173910 (2007-02-01), Goodman
patent: 2001/0036192 (2001-11-01), Chiles et al.
patent: 2002/0087711 (2002-07-01), Leung
patent: 2003/0163772 (2003-08-01), Jaworski
Abelson Ronald
Ishimaru Mikio
Sunrise Telecom Incorporated
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