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Authors: Shen Xizhong 1 ; Hu Dachao 1 and Meng Guang 2

Affiliations: 1 Shanghai Institute of Technology, China ; 2 Shanghai Jiao Tong University, China

Keyword(s): Instantaneous blind identification, Homogeneous system, Second order temporal statistics, Steepest descent method, Nonlinear.

Related Ontology Subjects/Areas/Topics: Multidimensional Signal Processing ; Multimedia ; Multimedia Signal Processing ; Multimodal Signal Processing ; Telecommunications

Abstract: This paper presents a new MIMO instantaneous blind identification algorithm based on second order temporal property and steepest descent method. Second order temporal structure is reformulated in a particular way such that each column of the unknown mixing matrix satisfies a system of nonlinear multivariate homogeneous polynomial equations. The nonlinear system is solved by steepest descent method. We construct a general goal of the system and convert the nonlinear problem into an optimal problem. Our algorithm allows estimating the mixing matrix for scenarios with 4 sources and 3 sensors, etc. Finally, simulations show its effectiveness with more accurate solutions than the algorithm with homotopy method.

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Paper citation in several formats:
Xizhong, S.; Dachao, H. and Guang, M. (2009). MIMO INSTANTANEOUS BLIND IDENTIFICATION BASED ON STEEPEST DESCENT METHOD. In Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2009) - SIGMAP; ISBN 978-989-674-007-8, SciTePress, pages 118-121. DOI: 10.5220/0002185701180121

@conference{sigmap09,
author={Shen Xizhong. and Hu Dachao. and Meng Guang.},
title={MIMO INSTANTANEOUS BLIND IDENTIFICATION BASED ON STEEPEST DESCENT METHOD},
booktitle={Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2009) - SIGMAP},
year={2009},
pages={118-121},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002185701180121},
isbn={978-989-674-007-8},
}

TY - CONF

JO - Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2009) - SIGMAP
TI - MIMO INSTANTANEOUS BLIND IDENTIFICATION BASED ON STEEPEST DESCENT METHOD
SN - 978-989-674-007-8
AU - Xizhong, S.
AU - Dachao, H.
AU - Guang, M.
PY - 2009
SP - 118
EP - 121
DO - 10.5220/0002185701180121
PB - SciTePress