Concurrent constant modulus algorithm and multi-modulus algorithm scheme for high-order QAM signals

Wei Rao

doi:10.1117/12.906129

28 October 2011 Concurrent constant modulus algorithm and multi-modulus algorithm scheme for high-order QAM signals

Wei Rao

Proceedings Volume 8205, 2011 International Conference on Photonics, 3D-Imaging, and Visualization; 82051H (2011) https://doi.org/10.1117/12.906129
Event: 2011 International Conference on Photonics, 3D-imaging, and Visualization, 2011, Guangzhou, China

Abstract

In order to overcome the slow convergence rate and large steady-state mean square error of constant modulus algorithm (CMA), a concurrent constant modulus algorithm and multi-modulus algorithm scheme for high-order QAM signals is proposed, which makes full use of the character which is that the high-order QAM signals locate in the different modulus. This algorithm uses the CMA as the basal mode. And in the second mode it uses the multi-modulus algorithm. Furthermore, the two modes operate concurrently. The efficiency of the method is proved by computer simulations in underwater acoustic channels.

Citation Download Citation

Wei Rao "Concurrent constant modulus algorithm and multi-modulus algorithm scheme for high-order QAM signals", Proc. SPIE 8205, 2011 International Conference on Photonics, 3D-Imaging, and Visualization, 82051H (28 October 2011); https://doi.org/10.1117/12.906129

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