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An Interference-Managed Hybrid Clustering Algorithm to Improve System Throughput.

Naureen Farhan¹, Safdar Rizvi¹

¹Department of Computer Science, Bahria University, Stadium Rd., Karachi 44000, Pakistan.

Sensors (Basel, Switzerland)

|February 26, 2022

Summary

This study introduces a novel interference-managed hybrid clustering (IMHC) scheme and small cell power control (SPC) algorithm to address interference in ultra-dense networks (UDNs). The proposed method enhances system throughput and reduces interference in 5G cellular systems.

Keywords:

hybrid clustering interference three-tier heterogeneous network (HetNet)throughput

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Area of Science:

Telecommunications Engineering
Wireless Communication Systems
Network Optimization

Background:

Exponential growth in cellular devices and mobile data traffic strains conventional network capacity.
Ultra-dense networks (UDNs) are proposed to meet increasing data demands but face significant interference challenges.
Existing clustering methods for UDNs struggle to effectively manage co-tier and cross-tier interference.

Purpose of the Study:

To propose a joint small cell power control (SPC) algorithm and interference-managed hybrid clustering (IMHC) scheme.
To resolve co-tier and cross-tier interference issues in small cell base station (SBS) cluster tiers within UDNs.
To improve system throughput and reduce interference in three-tier heterogeneous networks.

Main Methods:

Categorization of small cell base stations (SBSs) into high-power SBSs (HSBSs) and low-power SBSs (LSBSs) based on transmitting power.
Implementation of a joint small cell power control (SPC) algorithm.
Development and application of an interference-managed hybrid clustering (IMHC) scheme for SBSs.

Main Results:

The proposed IMHC algorithm effectively manages interference in a three-tier heterogeneous network.
Simulation results demonstrate a significant improvement in system throughput.
Reduced interference levels were observed with the implementation of the IMHC scheme.

Conclusions:

The joint SPC and IMHC scheme offers a viable solution for interference management in UDNs.
The proposed approach enhances the performance of 5G cellular networks by improving throughput and reducing interference.
This work contributes to the efficient deployment and operation of ultra-dense networks.