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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
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.
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.
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