Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Vedavalli Gomatam Krishnan0
Jeffrey Allan Green0
Date of Patent
September 9, 2008
0Patent Application Number
108051020
Date Filed
March 19, 2004
0Patent Primary Examiner
Patent abstract
A Digital Impairment detection scheme which is designed for providing reliable estimate of digital impairments such as PAD, and CODEC type in the presence of digital impairments such as Robbed Bit Signalling and non G.711 complaint network CODECs and analog impairments such as IMD, noise and changing line conditions. This estimate is used to derive optimum transmit symbol constellations for a modem connected digitally to a trunk so as to maximize its data transmission rate.
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