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    Outage Performance of OSTBC-NOMA System in the presence of Channel Estimation Error and Feedback Delay
    (IEEE, 2019) Toka, Mesut; Kucur, Oguz; Demirkol, Busra
    In this study, outage performance of non-orthogonal multiple access (NOMA) system with orthogonal space-time block coding (OSTBC) is investigated over Nakagami-m fading channels in the presence of channel estimation errors and feedback delay. In the system, one base station with multiple antennas serves simultaneously multiple mobile users with single antenna by using OSTBC technique. The outage probability related to any mobile user, which is expressed with the help of end-to-end signal-to-interference plus noise ratio, is investigated through Monte Carlo simulations.
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    Outage Probability of Max-Max Antenna Selection in Dual-Hop Full Duplex Amplify-and-Forward Relaying Network over Nakagami-m Fading Channel
    (IEEE, 2019) Demirkol, Busra; Toka, Mesut; Kucur, Oguz
    In this paper, outage probability of max-max antenna selection method in the full-duplex amplify-and-forward relaying networks is examined over Nakagami-m fading channels. In the network, the source, relay and destination are equipped with multiple antennas. We assume that direct transmission link between the source and destination does not exist because of poor channel conditions. Transmit and receive antenna pair with the best signal-to-noise ratio is selected for signal transmission in both hops. Outage probability expression of the system is obtained in single integral form and verified by Monte Carlo simulations.