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In cooperative communication system, different nodes cooperate with each other based on a certain protocol. We propose a new scheme for multiple access communication system in which the two cooperating nodes transmit their own data and their partner's data on orthogonal carriers and thus exploiting full degrees of freedom. With two cooperating nodes, we achieve full diversity of order two and at the...
This paper presents performance analysis of STBC scheme with multi-user diversity (MUD) and transmit (TX) antenna subset selection (AnSS) where the user and the antenna subset are adaptively selected in MIMO systems. We derive an analytical expression for the average effective SNR and outage probability, showing that STBC scheme with MUD and Tx-AnSS provides full diversity. We also derive analytical...
In this paper, we present a performance analysis for the channel capacity and outage probability of the user scheduling for multiuser multiple-input multiple-output (MIMO) systems with maximum ratio combining (MRC) exploiting the user and antenna diversities. We consider two scheduling schemes: absolute SNR-based and normalized SNR-based scheduling schemes. We propose the utilization of a transmit...
This paper studies the fluctuations of the post-processing SNR at the output of the linear MMSE receiver in (receive) correlated multiple input multiple output (MIMO) systems. Although it is known that asymptotically, the SNR behaves like a Gaussian random variable, this approximation may yield to inaccurate estimates for small dimension. In order to circumvent this, we use gamma and generalized gamma...
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