Pulse or digital communications – Pulse code modulation
Reexamination Certificate
2007-07-03
2007-07-03
Ghebretinsae, Temesghen (Department: 2611)
Pulse or digital communications
Pulse code modulation
C375S295000
Reexamination Certificate
active
11296789
ABSTRACT:
A method selects the data rate for pulse code modulation upstream transmission by determining an approximate transmit power before the upstream transmission reaches a transmit equalizer based on a recorder power output and a distance halfway between an outermost constellation point and a point following the outermost point. The determined approximate transmit power is multiplied by the power of the transmit equalizer to determine a post-equalizer transmit value. A data rate is selected which is less than a predetermined regulatory limit.
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Brady W. James
Ghebretinsae Temesghen
Shaw Steven A.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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