Pulse or digital communications – Equalizers – Automatic
Reexamination Certificate
2000-07-27
2008-09-23
Ghebretinsae, Temesghen (Department: 2611)
Pulse or digital communications
Equalizers
Automatic
C375S348000, C455S063100
Reexamination Certificate
active
07428265
ABSTRACT:
A network includes a transmitter for transmitting a stream of known symbols and unknown symbols in an optimal distribution through a transmission channel to a receiver that receives the transmitted stream of known symbols and unknown symbols distorted by intersymbol interference (ISI). The receiver uses a known symbol generator and a precursor cancellation decision feedback equalizer (PC-DFE) to cancel precursor ISI from symbols that have not yet been decided. The transmitter comprises a known symbol distribution controller for inserting a plurality of known symbols into an outgoing stream of unknown symbols in an optimum distribution in order to improve the performance of the PC-DFE in the receiver.
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Adireddy Srihari
Tong Lang
Cornell Research Foundation
Ghebretinsae Temesghen
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