Multiplex communications – Generalized orthogonal or special mathematical techniques
Reexamination Certificate
2011-08-02
2011-08-02
Hsu, Alpus H (Department: 2465)
Multiplex communications
Generalized orthogonal or special mathematical techniques
C370S480000, C375S260000, C375S344000, C375S346000
Reexamination Certificate
active
07990839
ABSTRACT:
A receiver that employs inherent characteristics of frequency domain representation of the data symbols. By computing a differential-in-frequency function across a large number of OFDM tones, robust estimates of time and frequency offset are obtained. The obtained time and frequency estimates provide control to sampling and frequency offset elements that are interposed between the reliever input and subsequent receiver stages.
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Cimini, Jr. Leonard Joseph
McNair Bruce Edwin
AT&T Intellectual Property II, LP
Hsu Alpus H
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