A new approach for modulation recognition based on ant colony algorithm

Shu Liu; Hongyuan Wang

doi:10.1117/12.773756

10 November 2007 A new approach for modulation recognition based on ant colony algorithm

Shu Liu, Hongyuan Wang

Proceedings Volume 6795, Second International Conference on Space Information Technology; 67950O (2007) https://doi.org/10.1117/12.773756
Event: Second International Conference on Spatial Information Technology, 2007, Wuhan, China

Abstract

A New Approach based on ant colony algorithm for the automatic modulation recognition of communications signals is presented. This approach can discriminate between continuous wave (CW), Amplitude Modulation (AM), Frequency Modulation (FM), Frequency Shift Keying (FSK), Binary Phase Shift Keying (BPSK) and Quaternary Phase Shift Keying (QPSK) modulations. Requirements for a priori knowledge of the signals are minimized by the inclusion of an efficient carrier frequency estimator and low sensitivity to variations in the sampling epochs. Computer simulations indicate good performance on an AWGN channel, even at signal-to-noise ratios as low as 5 dB. This compares favorably with the performance obtained with most algorithms based on pattern recognition techniques.

Citation Download Citation

Shu Liu and Hongyuan Wang "A new approach for modulation recognition based on ant colony algorithm", Proc. SPIE 6795, Second International Conference on Space Information Technology, 67950O (10 November 2007); https://doi.org/10.1117/12.773756

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