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Location-Based Resource Allocation in Ultra-Dense Network with Clustering.

Seong-Jung Kim1, Jeong-Gon Kim1

  • 1Department of Electronic Engineering, Korea Polytechnic University, Siheung 15073, Korea.

Sensors (Basel, Switzerland)
|July 2, 2021
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Summary
This summary is machine-generated.

Ultra-dense networks enhance mobile communication capacity but face interference. This study proposes a coordinated multi-point approach with clustered resource allocation to significantly boost data rates and reduce interference for 5th generation networks.

Keywords:
clusteringjoint CoMPk-meansresource allocationultra-dense network

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Area of Science:

  • Wireless communication
  • Telecommunications engineering
  • Network infrastructure

Background:

  • Mobile communication systems face escalating user traffic demands.
  • Ultra-dense networks (UDNs) are crucial for 5G, improving quality and capacity.
  • Dense base station deployment in UDNs causes significant inter-cell interference, especially at cell edges.

Purpose of the Study:

  • To investigate a coordinated multi-point (CoMP) scenario to mitigate interference in UDNs.
  • To develop a resource allocation scheme optimizing data rates and minimizing interference.
  • To address interference challenges in 5G ultra-dense networks.

Main Methods:

  • Implemented a coordinated multi-point (CoMP) strategy for base station cooperation.
  • Employed clustering based on cell load for link formation to reduce edge interference.
  • Utilized a clustering-based subcarrier allocation method considering base station locations.
  • Applied power allocation based on channel gain between base stations and user equipment.

Main Results:

  • The proposed resource allocation scheme effectively suppressed inter-cell interference.
  • Clustered subcarrier and power allocation improved data rates compared to existing methods.
  • Simulation results demonstrated a higher sum rate for the proposed scheme across various user equipment types.

Conclusions:

  • The coordinated multi-point approach with clustered resource allocation is effective for UDNs.
  • This method significantly enhances system performance by increasing data rates and reducing interference.
  • The findings offer a viable solution for optimizing 5G ultra-dense network performance.