Resource Allocation using Dynamic Fractional Frequency Reuse: A Technique to Reduce Inter Cell Interference at the Cells Edges

Abstract

Thisarticledescribeshowamultiusercellularsysteminsistsonhaving increase in thespectral efficiencyforthenumberofusersandbasestations.Asfarascellularstructuresareconcerned,the usersattheedgesexperienceintercellularinterference(ICI)thantheusersatthecellcenter.Thisis duetolackofresourceallocationatcelledges.Toimprovethethroughputattheedgesatechnique calledFractionalFrequencyReuse(FFR)isemployed.ThisarticleexplorestheDynamicFFR(DFFR) inOFDMAsystemtoimprovetheoverallthroughput. KEyWoRDS Dynamic Fractional Frequency Reuse (DFFR), Fractional Frequency Reuse (FFR), Inter Cell Interference (ICI), Orthogonal Frequency Division Multiple Access (OFDMA)