Outage Probability of Device-to-Device Communication Underlaying Cellular Network over Nakagami/Rayleigh Fading Channels
2019
Device-to-Device (D2D) communication allows two mobile users to communicate straight way with each other. D2D communication that underlay conventional cellular networks has been recognized as a novel approach to alleviate the outage performance and ameliorate the throughput of the traditional cellular system. The co-channel interference is the major weakness of D2D communication in D2D based cellular system. The purpose of this paper is to derive the expression of D2D link outage probability (OP) for D2D based cellular system by utilizing stochastic geometry and to evaluate the achievement of existing cellular system. The Rayleigh fading, and Nakagami-m fading have been considered for the co-channel interference signals and desired signal, respectively. Expression of OP is derived and presented in terms of the Gauss hypergeometric function. This analysis acknowledge the influence of main system parameters on outage performance of the network. Results show the D2D outage probability is depends on SIR threshold, D2D pair distance, path-loss exponent, and fading parameter m. Finally, the results obtained from numerical analysis are corroborate through Monte-Carlo simulations which may gives the guidelines for network designer.
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