Amitesh Das, Sayanti Ghosh, A. Bhowmick, Sanjay Dhar Roy, S. Kundu
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引用次数: 0
Abstract
This study investigates the performance of a relay-assisted cognitive radio (CR) enabled device-to-device (D2D) communication with Kernelized Energy Detection (KED). A D2D user uses KED technique for sensing the cellular user (CU) channel and uses the same while it is found to be idle. The D2D communication system uses multiple-input and multiple-output (MIMO), and non-orthogonal multiple access (NOMA) techniques to reduce the bad impact of fading and improve spectrum efficiency. The relay forwards the data received from a D2D source to a D2D destination and at each destination device, the received signals are combined using the maximal ratio combining (MRC) technique. The outage probability is studied as a performance metric. An analytical model of the outage probability for the considered network scenario is developed. A simulation framework has been developed and validated with the analytical framework.
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