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The broadband concentric circular antenna array beamformer with convolution constraints and efficient realization techniques are addressed in this paper. The concentric circular array processor is competent to scan a beam azimuthally through 360 degree and inherently cover up the entire breathing space. The behavior of the time domain element space array processor is appraised by comparing its recital,...
This paper deals with the case of secure wireless multicasting through multiple-input multiple-output (MIMO) radio system in which two co-existing users communicate with two groups of receivers in the presence of multiple eavesdroppers. Calculation of the secrecy multicast capacity of each group shows the impact of co-channel interferences (CCI) on it. Application of zero-forcing (ZF) or selective...
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