Pulse or digital communications – Receivers – Particular pulse demodulator or detector
Patent
1997-07-02
2000-01-04
Chin, Stephen
Pulse or digital communications
Receivers
Particular pulse demodulator or detector
375287, H03D 100
Patent
active
060118172
ABSTRACT:
In a transmission system digital symbols are transmitted by a transmitter via a channel to a receiver. The receiver comprises a first detector and a second detector with different decision levels. In the case of an unreliable input signal of the detectors, the sequences of detected symbols at the outputs of the detectors may differ. By checking the sequences of digital symbols on code rule violations, the most likely sequence of detected symbols can be selected by a selector and passed to the output.
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"Performance Improvement in Decision Feedback Equalisers by Using Soft Decision", by E. Dahlman and B. Gudmundson in Electronic Letters, vol. 24, No. 17, Aug. 18, 1988 pp. 1084-1085.
Bergmans Johannes W. M.
Voorman Johnnes O.
Chin Stephen
Jiang Lenny
U.S. Philips Corporation
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