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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...
In this paper, we propose a subspace based method to localize multiple targets in the near field region of a bistatic MIMO system with symmetric uniform linear arrays (ULAs). The proposed method uses the symmetry in the transmitting and receiving arrays to estimate the angle of departure (AOD) and angle of arrival (AOA) of each target by using 1D rank reduction estimator (RARE) based method. For each...
Detection algorithm based on widely linear filtering is proposed for the QAM modulated MIMO system. Unlike the existing works which focus on non circular signals (e.g. BPSK, PAM), this paper extends the widely linear detection to MIMO system transmitting circular signals (e.g. QAM, QPSK) by eliminating the I (or Q) component of the transmitted signals. The proposed algorithm has a ML-approaching performance...
The objective of this paper is to compare the performance of transmit array processing techniques using spatial or polarisation diversity. This study is made using channels measured simultaneously on two types of arrays. Under the considered conditions, the diversity gain brought by spatial diversity is slightly more important than the one brought by polarisation diversity. Nevertheless, polarisation...
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