Pulse or digital communications – Receivers – Particular pulse demodulator or detector
Patent
1994-02-25
2000-06-27
Grant, II, Jerome
Pulse or digital communications
Receivers
Particular pulse demodulator or detector
375330, 375316, H04L 2706
Patent
active
060815612
ABSTRACT:
A method and apparatus for receiving and reconstitution an input digital data signal representing a sequence of values. The input data signal is oversampled at a plurality of times during each of the values. These samples are stored storing in a known order in a sequence of latches as they are received. The sequences of latches stores the samples corresponding to each of the values. The difference in phase between the input digital data signal and a reference signal forms a digital phase signal. This digital phase signal is decoding, preferably by detecting adjacent digital phase signals in the sequence that differ. The location within the sequence of latches corresponding to an edge in the waveform of the input digital data signal is detected. The method and apparatus, selects on of the samples of the waveform from a regions remote from the detected edges.
REFERENCES:
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patent: 5400370 (1995-03-01), Guo
patent: 5553103 (1996-09-01), Julyan et al.
patent: 5974097 (1999-10-01), Julyan et al.
Hubbins Stephen J.
Julyan Jason B. E.
Brady III W. James
Grant II Jerome
Marshall, Jr. Robert D.
Telecky Jr. Frederick J.
Texas Instruments Incorporated
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