Multi-Target Location and Doppler Estimation in Bi-static/Multi-static Automotive Radar Applications
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The state-of-art automotive radar modules normally operate in the monostatic mode and little research has been done on the ability of a vehicle to operate such an application when the transmitters are located externally, a setup commonly referred to as bistatic mode or multi-static in the more general case. In this talk, a multistatic automotive radar scheme for enhanced localization and Doppler estimation of multiple targets exploiting cooperative roadside sensors is introduced. It can not only enhance the detection range of the vehicle, but also reduce the power cost associated with constant transmission of vehicle radar signals. A group sparsity based estimation approach is developed and it is shown by computer simulations that the motion parameters can be unambiguously estimated when the searching vehicle is equipped with an antenna array in the receiving mode and the proposed scheme outperforms the monostatic equivalent in considered scenarios.