Pulse or digital communications – Receivers – Particular pulse demodulator or detector
Patent
1996-12-20
1998-09-08
Chin, Stephen
Pulse or digital communications
Receivers
Particular pulse demodulator or detector
375331, 329304, H04L 2738, H04L 2722
Patent
active
058056424
ABSTRACT:
This invention is a method for the detecting received signal sequences of a communication system transmitting a differentially encoded MPSK (Multiple Phase Shift Keying) or a differentially encoded 2MAPSK (2M-level Amplitude/Phase Shift Keying) signal sequence. The operation of detecting the currently received signal sample is based on a signal reference which is recursively generated by two or more previously generated signal references.
REFERENCES:
patent: 5017883 (1991-05-01), Divsalar et al.
patent: 5208836 (1993-05-01), Edbauer
Leib, H. and Pasupathy, S., "The Phase of a Vector Perturbed by Gaussian Noise and Differentially Coherent Receivers, " IEEE Trans. on Information Theory, vol. 34, No. 6, pp. 1491-1501, Nov. 1988.
Adachi, F. and Sawahashi, M., "Decision Feedback Differential Detection of Differentially Encoded 16APSK Signals," IEEE Trans. on Communications, vol. 44, No. 4, pp. 416-418, Apr. 1996.
Hamamoto, N., "Differential Detection with IIR Filter for Improving DPSK Detection Performance," IEEE Trans. on Communications, vol. 44, No. 8, pp. 959-966, Aug. 1996.
Lin Mao-Chao
Wei Ruey-Yi
Chin Stephen
Gluck Jeffrey W.
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