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PS-CARA: Context-Aware Resource Allocation Scheme for Mobile Public Safety Networks.

Zeeshan Kaleem1, Muhammad Zubair Khaliq2, Ajmal Khan3

  • 1Department of Electrical Engineering, COMSATS University, Wah Campus, Wah Cantonment 47040, Pakistan. zeeshankaleem@gmail.com.

Sensors (Basel, Switzerland)
|May 9, 2018
PubMed
Summary

This study introduces a new resource allocation scheme for mobile personal cells (mPCs) in disaster zones. The PS-CARA scheme enhances emergency communication by prioritizing public safety users, significantly improving data rates and reducing call blocking.

Keywords:
5G systemscontext-aware resource allocationinterference reductioninternet-of-thingspublic safety

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Area of Science:

  • Wireless communication systems
  • Disaster management technologies
  • Resource allocation algorithms

Background:

  • Fifth-generation (5G) networks aim to support diverse Quality-of-Service (QoS) requirements.
  • Conventional base stations often fail during disasters, necessitating emergency communication solutions.
  • Mobile personal cells (mPCs) offer mobility but introduce co-channel interference.

Purpose of the Study:

  • To develop a dynamic resource allocation scheme for mPCs in disaster environments.
  • To address the limitations of static resource allocation methods for mobile emergency base stations.
  • To maximize user sum-rate while prioritizing public safety communications.

Main Methods:

  • Proposed a Public Safety users priority-based Context-Aware Resource Allocation (PS-CARA) scheme.
  • Designed the scheme to dynamically allocate resources based on user location and connection priority.
  • Utilized simulation to evaluate the performance of the PS-CARA scheme.

Main Results:

  • The PS-CARA scheme increased average user data rates by approximately 10.3%.
  • Edge user data rates saw a significant increase of around 32.8%.
  • Call blocking probability was considerably reduced under the proposed scheme.

Conclusions:

  • The PS-CARA scheme effectively enhances emergency communication services in disaster scenarios.
  • Context-aware resource allocation and prioritization of public safety users are crucial for performance gains.
  • The proposed scheme offers a viable solution for reliable mobile communication during emergencies.