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Novel signal extraction algorithm for communication signals by combining independent component analysis and spatial constraints

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4 Author(s)
Xiang Wang ; Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., Changsha, China ; Zhitao Huang ; Yiyu Zhou ; Xiaotian Ren

Signal of interest (SOI) extraction is a vital issue in communication signal processing. In this paper, we propose a novel iterative algorithm for extracting SOIs from instantaneous mixtures, which explores the spatial constraint corresponding to the Directions of Arrival (DOAs) of the SOIs as prior information into the constrained Independent Component Analysis (cICA) framework. Compared with the FastICA algorithm and beamforming techniques, i.e., MVDR, numerical simulation results demonstrate the effectiveness, robustness and higher performance of the proposed algorithms.

Published in:

Systems and Informatics (ICSAI), 2012 International Conference on

Date of Conference:

19-20 May 2012