Electromagnetic Exposure Assessment in 5G Communication Systems
Summary
Electromagnetic exposure assessment in 5G communication systems encompasses the measurement, modelling and evaluation of radiofrequency fields emitted by network infrastructure and user devices. The introduction of new spectrum bands, advanced antenna technologies and beamforming has created both opportunities for enhanced data rates and challenges for compliance with international safety guidelines. At sub-6 GHz frequencies, massive multiple-input multiple-output (MIMO) arrays and dynamic beam-steering techniques require measurement protocols that distinguish between instantaneous peak levels and time-averaged exposure. In the millimetre-wave range, narrow beams and rapid modulation further complicate exposure characterisation, demanding high-resolution instrumentation and novel extrapolation methods. Assessments combine in-situ measurements, computational models and controlled experiments to map field strength distributions around base stations and within indoor environments. This work underpins regulatory compliance, informs network planning to minimise public exposure and guides the development of exposure-aware radio resource management strategies. Practical applications range from urban macro-cell deployments to indoor small cells, with global studies demonstrating that, when properly configured, 5G networks operate well below established exposure limits while delivering substantially increased throughput and coverage.
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Electromagnetic Exposure Assessment in 5G Communication Systems publication trend
The graph below shows the total number of articles in electromagnetic exposure assessment in 5g communication systems across all publications each year (not limited to Nature Index journals).
Technical terms
Electromagnetic Field (EMF): The electric and magnetic radiation emitted by 5G transmitters, typically quantified as field strength or power density.
Massive MIMO: A base-station technology employing large antenna arrays to serve multiple users simultaneously through spatial multiplexing.
Beamforming: A signal-processing technique that directs electromagnetic energy toward specific users to improve link performance and reduce stray emissions.
Millimetre wave (mmWave): Radio frequencies above 24 GHz used in 5G for high-capacity links, characterised by short wavelengths and narrow beam patterns.
User Equipment (UE): Any end-user device, such as a smartphone or modem, that connects to the 5G network and contributes to personal exposure measurements.
References
- Measuring EMF and Throughput Before and After 5G Service Activation in a Residential Area. IEEE Open Journal of the Communications Society (2023).
- Dominance of Smartphone Exposure in 5G Mobile Networks. IEEE Transactions on Mobile Computing (2023).
- Electromagnetic Field-Aware Radio Resource Management for 5G and Beyond: A Survey. Computers (2025).
- In-situ Measurement Methodology for the Assessment of 5G NR Massive MIMO Base Station Exposure at Sub-6 GHz Frequencies. IEEE Access (2019).
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