Coverage Analysis of Matérn Cluster Based LTE Small Cell Networks

In next-generation mobile networks e.g., Long Term Evolution Advanced (LTE-A) the conventional macro cell structure is under laid with small cells in order to fulfill the strict QoS (Quality of Service) requirements. Smaller cells offer better receiving conditions for nearby users, thus the usage of small cells ensure throughput enhancement. On the other hand, small cells are considered as interference sources to users served by a macro cell. Therefore mobile service providers have to pay attention to the number of simultaneously operating small cells and encroach, if necessary, to provide appropriate service level to every mobile user. In this paper we provide a stochastic geometry based analytic framework to characterize the lower bound of coverage probability for a designated macro cell user. The spatial location femtocells is modelled with a two-dimension random spatial point process, namely Matérn Cluster process (MCP) and the radio channels are infected by Nakagami-m fading. The accuracy of the analytic form is verified with Monte Carlo simulations.