24 August 2009 MIMO vs. multistatic radars for target localization
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Abstract
Multiple-Input Multiple-Output (MIMO) radars are a new generation of radar systems that bring with them many benefits compared to the traditional phased-array radars. This paper discuses localization techniques for multiple targets when a MIMO radar is used as a measurement tool. A multiple hypotheses-based approach is used to estimate parameters of targets from raw measurements. Received amplitudes and associated range bins are taken as raw measurements. The multiple hypothesis-based method is implemented in two steps. First, hypotheses are initialized using the fist q pairs of transmitters and receivers. Then, a sequential method is applied to initial hypotheses to find final estimates of targets. A comparison is also made between multistatic and MIMO radars for target detection and localization via simulations. The effect of putting threshold on raw data is taken into consideration in both detecting and localizing targets for multistatic radars. Finally, simulation results confirm the superiority of MIMO radars for multiple target localization.
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A. A. Gorji, A. A. Gorji, R. Tharmarasa, R. Tharmarasa, T. Kirubarajan, T. Kirubarajan, } "MIMO vs. multistatic radars for target localization", Proc. SPIE 7445, Signal and Data Processing of Small Targets 2009, 744502 (24 August 2009); doi: 10.1117/12.826109; https://doi.org/10.1117/12.826109
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