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Range sidelobes increase the clutter subspace so that clutter rank is significantly higher than the rank of an idealized orthogonal waveform set. A rigorous proof is provided. Simulation results verified the conclusion.
Waveform design is essential to unleash the performance advantages promised by multiple-input multiple-output (MIMO) radar, and this topic has attracted a lot of attention in the recent years. Revisiting an earlier examined MIMO radar waveform design problem that optimizes both minimum mean-square error estimation (MMSE) and mutual information (MI), in this correspondence we formulate a new waveform...
We consider herein the problem of active direction finding in imaging the massively scalable sensor networks in which the active sensor nodes reflect electronically the beacon transmitted by a collector node. Very large number of randomly deployed sensor nodes with limited computational capability have no knowledge of their locations, while the location estimation is accomplished by the collector...
The concept of multiple-input multiple-output (MIMO) radar is recently proposed inspired by recent advances in MIMO communications. A recently proposed statistical MIMO radar configuration is considered here, in which the transmit array antennas are widely spaced to enable spatial diversity with respect to the targets, while the receiver is an uniform linear array with the elements spaced half a wavelength...
Multiple-Input Multiple-Output (MIMO) radars, which can transmit multiple linearly independent probing signals, have been shown to provide improved performance in theory and practice. We address herein the maximum likelihood (ML) method for target localization and estimation using MIMO radars and propose two approximate ML algorithms. One of the proposed algorithms outperforms the other one at the...
The concept of multiple-input-multiple-output (MIMO) radar is recently proposed inspired by recent advances in MIMO communications. The subspace-based method for multiple-target localization is proposed in this paper. It is shown that the "effective source" covariance matrix is almost always nonsingular under mild conditions in the MIMO radar configuration. The performance of the proposed...
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