Pulse or digital communications – Transceivers – Modems
Reexamination Certificate
2006-03-14
2006-03-14
Chin, Stephen (Department: 2634)
Pulse or digital communications
Transceivers
Modems
C375S298000
Reexamination Certificate
active
07012953
ABSTRACT:
A method and apparatus of high speed multi-dimensional signaling via a modem has a processing method of utilizing prolate pulses to optimize the transmission capacity of the channel. The modem includes a process that segments the channel bandwidth and allocates the power and bit loading in relation to a measure of the noise in each spectral bin. Data are carried over a plurality of frequencies across the channel, and within each spectral bin, a plurality of orthogonal signaling dimensions.
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AT&T Corp.
Chin Stephen
Lu Jia
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