Instantaneous MISO separation of BPSK sources

Authors:
Maciej Pedzisz;Ali Mansour
Affiliations:
Laboratoire ”Extraction et Exploitation de l’Information, en Environnements Incertains” (E3I2), École Nationale Supérieure d’Ingénieurs (ENSIETA), Brest, Fra ...;Laboratoire ”Extraction et Exploitation de l’Information, en Environnements Incertains” (E3I2), École Nationale Supérieure d’Ingénieurs (ENSIETA), Brest, Fra ...
Venue:
ICA'06 Proceedings of the 6th international conference on Independent Component Analysis and Blind Signal Separation
Year:
2006

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Abstract

We present a new approach for signal separation from an undetermined instantaneous mixture of two BPSK (Binary Phase Shift Keying) signals in AWGN (Additive White Gaussian Noise) channel. The method uses frequency diversity of the mixture (frequency shift between carriers) and the fact that signals of interest are binary variables. We compare separation results of our method to a theoretical BER (Bit Error Rate) of unmixed signals, which reveal algorithm’s performance for different communications scenarios.