Range and DOA estimation of polarized near-field signals using fourth-order statistics

  title={Range and DOA estimation of polarized near-field signals using fourth-order statistics},
  author={Baha A. Obeidat and Yimin Zhang and Moeness G. Amin},
  journal={2004 IEEE International Conference on Acoustics, Speech, and Signal Processing},
An enhanced technique for estimating the range and direction-of-arrival (DOA) of narrowband near-field sources is presented. This technique utilizes fourth-order cumulants of the received signal across an array of two orthogonally polarized sensors. It is shown that the incorporation of the source polarization in an ESPRIT-based angle and range estimation technique provides improved performance over the case where the polarization information is absent in the problem formulation. 
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