This article is concerned with the problem of multitarget parameter estimation in arrayed multiple-input multiple-output (MIMO) radar. In particular, the radar operates in the presence of moving targets, where the parameters of interests to be estimated for each target are the relative delay, Doppler frequency, direction-of-arrival (DOA) and complex path coefficients (or target's radar cross section). Using the novel concept of “array manifold extender,” the dimensionality of the observation space increases from $N$ to $N\mathcal {N}_{\mathrm{ext}}$, making the radar more powerful than conventional MIMO radar systems by handling more complex targets and estimating their parameters with increased accuracy. Two “manifold extenders” are proposed in this article in conjunction with a novel spatiotemporal subspace-type framework for estimating the target parameters. The performance of proposed framework is examined using computer simulation studies.
MIMO Radar With Array Manifold Extenders
IEEE Transactions on Aerospace and Electronic Systems ; 56 , 3 ; 1942-1954
2020-06-01
3442433 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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