A set-membership approach to blind channel equalization algorithm

Yue-ming Li

doi:10.1117/12.2014201

13 March 2013 A set-membership approach to blind channel equalization algorithm

Yue-ming Li

Proceedings Volume 8784, Fifth International Conference on Machine Vision (ICMV 2012): Algorithms, Pattern Recognition, and Basic Technologies; 87841W (2013) https://doi.org/10.1117/12.2014201
Event: Fifth International Conference on Machine Vision (ICMV 12), 2012, Wuhan, China

Abstract

The constant modulus algorithm (CMA) has low computational complexity while presenting slow convergence and possible convergence to local minima, the CMA family of algorithms based on affine projection version (AP-CMA) alleviates the speed limitations of the CMA. However, the computational complexity has been a weak point in the implementation of AP-CMA. To reduce the computational complexity of the adaptive filtering algorithm, a new AP-CMA algorithm based on set membership (SM-AP-CMA) is proposed. The new algorithm combines a bounded error specification on the adaptive filter with the concept of data-reusing. Simulations confirmed that the convergence rate of the proposed algorithm is significantly faster; meanwhile, the excess mean square error can be maintained in a relatively low level and a substantial reduction in the number of updates when compared with its conventional counterpart.

Citation Download Citation

Yue-ming Li "A set-membership approach to blind channel equalization algorithm", Proc. SPIE 8784, Fifth International Conference on Machine Vision (ICMV 2012): Algorithms, Pattern Recognition, and Basic Technologies, 87841W (13 March 2013); https://doi.org/10.1117/12.2014201

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