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In this paper, we propose a power allocation scheme to suppress the inter-cell interference (ICI) in multi-cell multiuser multiple-input-multiple-output (MU-MIMO) systems. In particu-lar, by adopting relaxed signal-to-leakage-and-noise ratio (SLNR) beamforming, the transmit power allocated to the user is linearly associated with the leakage, which differs from previous works. Furthermore, we obtain...
A novel approach is proposed for DOA (Direction of Arrival) estimation for multipath (coherent) sources in non-uniform linear arrays (NLA), based on cancellation techniques. An initial DOA estimates of Coherent sources obtained by array interpolation and spatial smoothing method. Then cancellation of some signals from the observed date successively, the residuals of data received are used to estimate...
We propose an optimal minimum sidelobe modal beamforming approach based on the spherical harmonics decomposition for spherical sensor arrays, which provide the ability of three-dimensional broad-band beampattern synthesis. The spherical harmonics domain array processing problem is expressed with a matrix formulation. The weight vector design problem is written as a multiply constrained problem, so...
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