Handover Management in Highly Dense Femtocellular Networks

摘要

For dense femtocells, intelligent integrated femtocell/macrocell networkarchitecture, a neighbor cell list with a minimum number of femtocells,effective call admission control (CAC), and handover processes with propersignaling are the open research issues. An appropriate traffic model for theintegrated femtocell/macrocell network is also not yet developed. In thispaper, we present the major issue of mobility management for the integratedfemtocell/macrocell network. We propose a novel algorithm to create a neighborcell list with a minimum, but appropriate, number of cells for handover. Wealso propose detailed handover procedures and a novel traffic model for theintegrated femtocell/macrocell network. The proposed CAC effectively handlesvarious calls. The numerical and simulation results show the importance of theintegrated femtocell/macrocell network and the performance improvement of theproposed schemes. Our proposed schemes for dense femtocells will be veryeffective for those in research and industry to implement.