Article

B.Sridevi, Velammal college of engineering and technology; R.Shakanapriya ,; R.Jeyalakshmi ,; P.Saranya ,

Small cell networks have emerged as a key technology in residential, office building or hotspot deployments that can significantly fulfil high data demands in order to offload indoor traffic from outdoor macro cells. However, as one of the major challenges, inter-small cell interference gets worse in some building scenarios because of the presence of numerous interfering sources and then needs to be considered in early network planning phase. Though, penetration loss and complex indoor environment make that it is difficult for existing cellular network to sufficiently follow the demand in indoor mobile traffic. The deployment of small cells is envisioned to be a key solution for providing high wireless data-rates, offloading the macro cell traffic and enhancing the coverage of existing networks. Based on the edge nodes all interfering nodes in the small cells are grouped into number of groups, and then the frequency reuse factor is applied according to the dominance interference strength. Hence the power gets transmitted for different groups according to the interference strength. Simulation results shows, the proposed scheme yields great performance gain in terms of the efficiency relative to the universal frequency reuse.