Loading Aware Green Power Control (LAGPC) for the Mitigation of Co-Tier Downlink Interference for Femtocell in the Future 5G Networks

With huge number of smart gadgets and wireless devices being interconnected to each other, the demand for very high data bandwidth is becoming critically challenging. With such density of nodes inside wireless networks, providing high-quality service as well as wide coverage in indoor environment is a real challenge, which is due to the limited radio frequency and intense interference between nodes. As a one way to solve such problem and improve indoor service quality, femtocells have been introduced as an extension to the existing macrocell stations. Although femtocell is a promising technology, the pervasive deployment of huge number of femtocells without very tight network planning as well as coverage strategy may worsen the problem and degrade the service quality. One important problem that needs to be addressed when deploying femtocell technology in heterogenous networks (HetNets) is mitigating the various types of cross-tier and cotier interferences in between wireless cells. This study investigates the effect of unplanned ultradensity femtocell deployment in the downlink performance of two-tier heterogeneous networks in urban area based on LTE system. Instead of deploying femtocells one by one, grids of size either ( 3 × 3 ) or ( 5 × 5 ) of neighboring femtocell will be deployed inside each macrocell sector area. The simulation results show that femtocell deployment improves overall average user throughput in case of low and medium density scenarios. However, for ultradensity scenario, there is no enhancement in terms of fairness and throughput. The results confirm that this leads to high degradation for macrocell and femtocell user performance due to the severe interference between macrocells and femtocells, as well as among neighboring femtocells in each grid.

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Loading Aware Green Power Control (LAGPC) for the Mitigation of Co-Tier Downlink Interference for Femtocell in the Future 5G Networks

Cited by 3 publications

References 27 publications

A Survey on Hybrid, 3D, Interference Mitigation and Secure Data Beamforming Techniques for 5G System

A Survey on Hybrid, 3D, Interference Mitigation and Secure Data Beamforming Techniques for 5G System

Novel EBBDSA based Resource Allocation Technique for Interference Mitigation in 5G Heterogeneous Network

Effects of Femtocell Ultradense Deployment on Downlink Performance in LTE Heterogeneous Networks

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