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Proceedings Paper

A new approach for modulation recognition based on ant colony algorithm
Author(s): Shu Liu; Hongyuan Wang
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Paper 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.

Paper Details

Date Published: 10 November 2007
PDF: 5 pages
Proc. SPIE 6795, Second International Conference on Space Information Technology, 67950O (10 November 2007); doi: 10.1117/12.773756
Show Author Affiliations
Shu Liu, Huazhong Univ. of Science and Technology (China)
Hongyuan Wang, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 6795:
Second International Conference on Space Information Technology

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