Abstract—With the imminent arrival of the next generation of mobile networks, extensive efforts have already been made to define and incorporate their key features. Among these advancements, ultra-dense heterogeneous networks have emerged as a primary catalyst in meeting the demand for enhanced device connectivity and higher data rates. To achieve these objectives, a multitude of Base Stations with diverse specifications will be deployed. Notably, Femtocells are expected to dominate this landscape due to their affordability, ease of deployment, and simplified maintenance. However, the utilization of multiple base stations operating within the same spectrum to improve spectral efficiency with femtocells poses a significant challenge in the form of severe interference. This issue can be effectively addressed through the implementation of spectrum sharing strategies and power control techniques. By employing these methods, the adverse effects of interference can be mitigated, leading to more robust and reliable network performance. Consequently, interference management becomes a critical concern for the successful operation of these networks. Therefore, a novel approach for femtocell management for heterogeneous networks is introduced where interference cancellation, power optimization and spectrum management to improve the overall performance. The performance of proposed approach is compared with existing priority delay scheduling and optimization schemes. The experimental results show that the proposed approach reported better performance in terms of delay, throughput, packet loss rate and energy consumption, etc.
 
Keywords—mobile communication, femtocell, spectrum management, energy optimization, interference cancellation


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