Pulse or digital communications – Receivers
Reexamination Certificate
2008-06-17
2008-06-17
Fan, Chieh M. (Department: 2611)
Pulse or digital communications
Receivers
C375S346000, C375S350000, C375S147000, C375S148000, C375S371000, C375S345000, C375S150000, C455S562100, C455S561000, C455S082000
Reexamination Certificate
active
07388930
ABSTRACT:
An approach for estimating and removing crosstalk and other interference in a communications receiver is disclosed. The approach enables crosstalk and interference of arbitrary origin and power spectral density to be removed from a received signal, thereby improving the signal to noise ratio (SNR). A receiver samples the received signal at a rate N times the required sampling rate, and splits the signal into N separate observation sequences, all at the required sampling rate. The N observation sequences are separated into a data signal and a crosstalk signal. The crosstalk signal is discarded, while the data signal is passed to equalization and demodulation circuits of the receiver.
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Bandspeed, Inc.
Becker Edward A.
Fan Chieh M.
Hickman Palermo & Truong & Becker LLP
Puente Eva
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