Public Safety Communication Networks and Technologies
Summary
Public safety communication networks and technologies provide vital infrastructure for first responders by delivering reliable, low-latency voice and data services under extreme conditions. Historically based on narrowband Land Mobile Radio systems such as TETRA and P25, the field has evolved towards broadband IP-based architectures driven by 3GPP standards for 4G and 5G. These next-generation networks integrate features such as mission-critical push-to-talk (MCPTT), priority and pre-emption, group communications, isolated operation modes and network slicing to guarantee availability and quality of service during disasters. Advances in multi-access edge computing and small-cell deployments bring computing and service functions closer to emergency personnel, reducing end-to-end latency. The incorporation of wearable devices within an Internet of Life-Saving Things framework enhances situational awareness through real-time biosensing and geolocation. Furthermore, novel applications like 5G-enabled structural health monitoring for earthquake early warning and aeromedical rescue demonstrate the global significance of these technologies for rapid response and public safety. Ongoing research addresses capacity modelling, radio planning, security and business model optimisation to ensure resilience, scalability and economic viability. Together, these developments form an ecosystem of interconnected solutions that support mission-critical operations and pave the way for even more robust and intelligent emergency communication platforms.
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Public Safety Communication Networks and Technologies publication trend
The graph below shows the total number of articles in public safety communication networks and technologies across all publications each year (not limited to Nature Index journals).
Technical terms
MCPTT: Mission-critical push-to-talk group communication service defined by 3GPP for secure half-duplex voice transmission.
Multi-access Edge Computing: Distributed computing architecture that places processing and storage resources close to end users to reduce latency.
Network Slicing: Technique to partition a single physical network into multiple virtualised, service-specific logical networks with tailored performance.
Body-Area Network: Short-range wireless network of wearable sensors and devices that monitor physiological data in real time.
Mission-Critical Communications: Highly reliable and available voice and data services with prioritisation and pre-emption for emergency operations.
References
- 5G Key Technologies for Helicopter Aviation Medical Rescue. Journal of Medical Internet Research (2024).
- What Can 5G Do for Public Safety? Structural Health Monitoring and Earthquake Early Warning Scenarios. Sensors (2022).
- Analysis of the Impact of the Evolution Toward 5G Architectures on Mission Critical Push-to-Talk Services. IEEE Access (2019).
- Analysis of Mission Critical Services Radio Access Network Capacity Limitations Over 5G. IEEE Access (2024).
- A network application approach towards 5G and beyond critical communications use cases. Frontiers in Communications and Networks (2024).
- Enabling Next-Generation Public Safety Operations with Mission-Critical Networks and Wearable Applications †. Sensors (2021).
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