Use of lower bandwidth technology to determine channel...

Details Use of lower bandwidth technology to determine channel... Use of lower bandwidth technology to determine channel...

2006-11-07

2006-11-07

Tran, Quoc (Department: 2614)

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Of data transmission

C379S001010, C379S001030, C379S022000, C370S241000, C370S252000

Reexamination Certificate

active

07133497

ABSTRACT:
Lower bandwidth technology is used to determine whether a communication channel can support higher bandwidth technology. A signal generator generates a series of test signals that are associated with the higher bandwidth technology. The test signals are sampled to produce aliases that can be analyzed with lower bandwidth technology. Modem parameters are accessed from a modem's memory. The modem parameters are compared with a database containing information about whether a set of modem parameters indicates that a telephone local can support broadband devices.

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patent: 2002/0034220 (2002-03-01), Duxbury

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