Computationally Efficient Unitary ESPRIT Algorithm in Bistatic MIMO Radar

Baobao Liu, Tao Xue, Cong Xu and Yongjun Liu

Mathematical Problems in Engineering, 2021, vol. 2021, 1-8

Abstract:

A low complexity unitary estimating signal parameter via rotational invariance techniques (ESPRIT) algorithm is presented for angle estimation in bistatic multiple-input-multiple-output (MIMO) radar. The devised algorithm only requires calculating two submatrices covariance matrix, which reduces the computation cost in comparison with subspace methods. Moreover, the signal subspace can be efficiently acquired by exploiting the NystrÖm method, which only needs flops. Thus, the presented algorithm has an essentially diminished computational effort, especially useful when , while it can achieve efficient angle estimation accuracy as well as the existing algorithms. Several theoretical analysis and simulation results are provided to demonstrate the usefulness of the proposed scheme.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:5584688

DOI: 10.1155/2021/5584688

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