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Large-scale EMF characterization considering real network deployments

Large-scale EMF characterization considering real network deployments

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Traditionally, the assessment of electromagnetic field (EMF) exposure due to radio -frequency (RF) communications has focused on individual users, separately considering the exposure induced by personal devices, and that caused by network elements [I]. However, various studies have shown that there is a strong correlation between power emitted by users' devices and that received from base stations [2]. In order to provide a more accurate means to estimate the population exposure, the low-EMF exposure networks (LEXNET) project has proposed a novel metric, coined exposure index (EI), which is associated with a wireless telecommunication network, considering large areas and prolonged periods of time. In addition, the EI combines both the exposure induced by personal devices with that coming from network access elements, leading to new key performance indicators (KPIs) usable for network planning and operation.

Chapter Contents:

  • 3.1 Test bed description
  • 3.1.1 Low-complexity dosimeter
  • 3.1.2 SmartSantander
  • 3.1.3 Dosimeter integration
  • 3.2 Scenario characterization
  • 3.2.1 Deployment dimensioning
  • 3.2.2 Network usage
  • 3.2.3 Uplink–downlink correlation
  • 3.3 Calibration of the measurements
  • 3.3.1 Monaxial to isotropic
  • 3.3.2 Location extrapolation factor
  • 3.3.3 Indoor–outdoor extrapolation factor
  • 3.4 Exposure calculation methodology
  • 3.5 Exposure analysis
  • 3.5.1 Frequency selectivity
  • 3.5.2 Geographical and temporal variation
  • 3.5.3 EI evaluation
  • 3.6 Conclusion
  • References

Inspec keywords: telecommunication network planning; electromagnetic fields

Other keywords: wireless telecommunication network; low-EMF exposure networks; radiofrequency communications; population exposure; network planning; network access elements; real network deployments; key performance indicators; personal devices; coined exposure index; electromagnetic field; large-scale EMF characterization; network operation; LEXNET project; base stations

Subjects: Communication network design, planning and routing

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