FIELD ENHANCEMENT AND SIZE OF RADIO-FREQUENCY HOTSPOTS INDUCED BY MAXIMUM RATIO FIELD COMBINING IN FIFTH GENERATION NETWORK.

Electromagnetic Fields Radio Waves

Journal

Radiation protection dosimetry
ISSN: 1742-3406
Titre abrégé: Radiat Prot Dosimetry
Pays: England
ID NLM: 8109958

Informations de publication

Date de publication:
16 Oct 2020
Historique:
received: 07 06 2020
revised: 07 06 2020
accepted: 06 08 2020
pubmed: 11 9 2020
medline: 24 6 2021
entrez: 10 9 2020
Statut: ppublish

Résumé

The goal of this paper is to experimentally assess the field enhancement and hotspot size of radio frequency electromagnetic fields created by the Maximum Ratio Combining (MRC) precoding scheme using lab measurements at 3.5, 5.5 and 11 GHz. MRC is an adaptive precoding scheme used by Massive Multiple Input Multiple Output systems, one of the enabling techniques of the fifth generation of telecommunications (5G). A virtual antenna array was used to compare MRC with two passive precoding schemes: the Random Phase Model (RPM) and the Centerline Beam Model (CBM). The field enhancement going from CBM to MRC was largest in obstructed line of sight (OLOS), ranging from 1.9 to 7.4 dB. The field enhancement going from RPM to MRC was about 9.5 dB across frequency bands in both line of sight (LOS) and OLOS. The hotspot size, quantified by the full width at half maximum (FWHM), ranged from 0.5 wavelengths to one wavelength.

Identifiants

DOI: 10.1093/rpd/ncaa118 PMID: 32909042
pubmed: 32909042
pii: 5903358
doi: 10.1093/rpd/ncaa118
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

400-411

Informations de copyright

© The Author(s) 2020. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

Auteurs

Maarten Velghe (M)

Department of Information Technology, Ghent University, Technologiepark 126, B-9052 Ghent, Belgium.

Sergei Shikhantsov (S)

Department of Information Technology, Ghent University, Technologiepark 126, B-9052 Ghent, Belgium.

Emmeric Tanghe (E)

Department of Information Technology, Ghent University, Technologiepark 126, B-9052 Ghent, Belgium.

Luc Martens (L)

Department of Information Technology, Ghent University, Technologiepark 126, B-9052 Ghent, Belgium.

Wout Joseph (W)

Department of Information Technology, Ghent University, Technologiepark 126, B-9052 Ghent, Belgium.

Arno Thielens (A)

Department of Information Technology, Ghent University, Technologiepark 126, B-9052 Ghent, Belgium.

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Classifications MeSH

questionsmedicales.fr › Phénomènes physiques › Phénomènes magnétiques › Champs magnétiques › Champs électromagnétiques › FIELD ENHANCEMENT AND SIZE OF RADIO-FREQUENCY...
questionsmedicales.fr › Phénomènes physiques › Rayonnement › Rayonnement non ionisant › Ondes hertziennes › FIELD ENHANCEMENT AND SIZE OF RADIO-FREQUENCY...