Near field targets localization using bistatic MIMO system with spherical wavefront based model. Singh, P. R., Wang, Y., & Charge, P. In 2017 25th European Signal Processing Conference (EUSIPCO), pages 2408-2412, Aug, 2017.
Near field targets localization using bistatic MIMO system with spherical wavefront based model [pdf]Paper  doi  abstract   bibtex   
This paper proposes a subspace based near field targets localization method with bistatic MIMO system consisting of uniform linear transmitting and receiving arrays. The proposed method uses the spherical wavefront based exact model to avoid the systematic error introduced by the Fresnel approximation, which is usually made on the wavefront to simplify the signal model for a near field source in the existing literature on near field sources localization. By avoiding this approximation, we have significantly improved the estimation accuracy. Additionally, unlike most of the existing near field sources localization techniques, the proposed method works for the array with interelement spacing greater than a quarter of the carrier wavelength.

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