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User QoS-Based Optimized Handover Algorithm for Wireless Networks.

Hung-Chi Chu1, Chia-En Wong1, Wei-Min Cheng2

  • 1Department of Information and Communication Engineering, Chaoyang University of Technology, Taichung 413310, Taiwan.

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Summary
This summary is machine-generated.

This study introduces Optimized Handover Algorithm (OHA) and OHA with Quality of Service (QoS) requirements (OHAQR) to reduce frequent wireless network handovers. These methods improve mobile device network performance and ensure quality of service for applications.

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QoShandoverping-pong effect

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Area of Science:

  • Computer Science
  • Wireless Networking
  • Mobile Computing

Background:

  • Mobile devices rely on wireless networks for applications like video streaming, demanding high throughput and low packet loss.
  • Frequent access point (AP) handovers degrade network performance and disrupt application services.
  • Existing handover mechanisms struggle with the challenges of mobile network connectivity.

Purpose of the Study:

  • To propose novel handover algorithms that minimize handover frequency and maintain network quality.
  • To enhance mobile network performance by addressing the impact of frequent handover procedures.
  • To integrate Quality of Service (QoS) requirements into the handover process for optimized mobile experiences.

Main Methods:

  • Developed the Optimized Handover Algorithm (OHA) considering signal quality for handover decisions.
  • Introduced the OHA with QoS requirements (OHAQR), incorporating throughput and packet loss metrics.
  • Utilized a Q-handover score to integrate QoS into the OHA framework.

Main Results:

  • OHA and OHAQR demonstrated fewer handovers (13 and 15, respectively) in high-density scenarios compared to other methods.
  • OHAQR achieved a throughput of 123 Mbps and a packet loss rate of 5%.
  • Experimental results confirm superior network performance and reduced handover procedures with the proposed methods.

Conclusions:

  • The proposed OHA and OHAQR effectively reduce the number of handover procedures in wireless networks.
  • OHAQR significantly improves network performance by ensuring Quality of Service (QoS) requirements.
  • These algorithms offer a robust solution for maintaining seamless and high-performance mobile network connectivity.