Pulse or digital communications – Receivers – Particular pulse demodulator or detector
Patent
1997-06-10
1999-10-26
Vo, Don N.
Pulse or digital communications
Receivers
Particular pulse demodulator or detector
375350, 375355, 375372, 375342, H04L 2706
Patent
active
059740973
ABSTRACT:
A method and apparatus for receiving an input digital data signal representing a sequence of values in which samples of the waveform of the data signal are taken a plurality of times during each of the values. A plurality of the samples are stored as they are received, in a known order in locations at a sequence of addresses in a memory. A digital signal representing the difference in phase between the input data signal and a reference signal is derived. The digital phase signal is decoded and the location at the address of the memory represented by the digital phase signal is accessed so as to select samples remote from edges in the waveform of the input data signal.
REFERENCES:
patent: 4821297 (1989-04-01), Bergmann et al.
patent: 5341404 (1994-08-01), Sevenhans et al.
Hubbins Stephen J.
Julyan Jason B. E.
Donaldson Richard L.
Kempler William B.
Laws Gerald E.
Texas Instruments Incorporated
Vo Don N.
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