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Low-complexity ESPRIT-based DOA estimation for colocated MIMO radar using reduced-dimension transformation

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2 Author(s)
Zhang, X. ; Dept. of Electron. Eng., Nanjing Univ. of Aeronaut. & Astronaut., Nanjing, China ; Xu, D.

Direction of arrival (DOA) estimation for colocated multiple-input multiple-output (MIMO) radar is considered. An estimation of signal parameters via rotational invariance techniques (ESPRIT)-based DOA estimation for the MIMO radar using reduced-dimension transformation is proposed to reduce the complexity. The proposed algorithm has very close angle estimation performance to conventional ESPRIT; also it has slightly better performance than conventional ESPRIT for low SNR. Simulation results verify the usefulness of the proposed algorithm.

Published in:

Electronics Letters  (Volume:47 ,  Issue: 4 )