Understandings of maximum spatially-averaged power density in 5G RF EMF exposure study

Bo Xu, Kun Zhao, Sailing He, Zhinong Ying

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

5 Citations (Scopus)

Abstract

In the millimeter-wave (mmW) frequency band, radio frequency electromagnetic field (RF EMF) exposure is evaluated in terms of free space power density rather than the localized specific absorption rate (SAR) used in current cellular communications. In this study, we investigated RF EMF exposure of user equipment (UE) mock-ups employing a patch array operating at 15 GHz. Different understandings of maximum spatially-averaged power density to comply with different regulatory requirements are studied. Based on free space power density, the maximum permissible transmitted power (MPTP) of UE is calculated to compare the influence of different understandings. The analysis and results suggest that there is 1-2.6 dB MPTP difference for the ICNIRP limits and 0.1-1 dB MPTP difference for the proposed FCC limits depending on the varying compliance distance.

Original languageEnglish
Title of host publication2017 International Workshop on Antenna Technology : Small Antennas, Innovative Structures, and Applications, iWAT 2017
Number of pages3
PublisherIEEE Signal Processing Society
Publication date28 Apr 2017
Pages115-117
Article number7915332
ISBN (Electronic)9781509051779
DOIs
Publication statusPublished - 28 Apr 2017
Externally publishedYes
Event2017 International Workshop on Antenna Technology, iWAT 2017 - Athens, Greece
Duration: 1 Mar 20173 Mar 2017

Conference

Conference2017 International Workshop on Antenna Technology, iWAT 2017
Country/TerritoryGreece
CityAthens
Period01/03/201703/03/2017
Series2017 International Workshop on Antenna Technology: Small Antennas, Innovative Structures, and Applications, iWAT 2017

Bibliographical note

Publisher Copyright:
© 2017 IEEE.

Keywords

  • Near field
  • Power density
  • RF EMF exposure
  • Transmitted power

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