Indian Journal of Science and Technology

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Objectives: In this paper we make a comparative study between two adapted methods for the estimation of the angle of departure and the angle of arrival in a Bistatic multiple input multiple output radar system. Methods: We have adapted the high resolution methods known in the literature to the estimation of the parameters of the sources with a Bistatic radar equipped with an antennas array on the transmit station and on that of the receive one. The two methods are a Derived Multiple Signal Classification method (D-MUSIC) and the Derived Propagator method (D-Propagator). Findings: Through simulation results we have conducted a comparative study between the different adapted methods. We take advantage of each one for different pçolpscenarios in terms of accuracy and resolution.The two proposed methods showed good performances even for low signal-to-noise ratio. In addition, the parameters of the radar systems have a great influence on the performance of the estimators. For this reason, a thorough study on the precision of the high resolution methods according to these parameters was made. Application: By varying the Radar Cross Section we noticed the superiority of D-MUSIC method compared to D-Propagator method for a limited reflection surface what was not the case in the other scenarios where the propagator showed remarkable superiority.

Keywords

AOA, AOD, Bistatic Radar, -MUSIC Method, D-Propagator Method, MIMO
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