User Body Interaction of 5G Switchable Antenna System for Mobile Terminals at 28 GHz

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Resumé

In this paper, a 12-element switchable antenna system for handsets is proposed at 28 GHz. The effect of the head and hand in the impedance matching and radiation pattern is assessed. The electromagnetic field (EMF) exposure in the body is analyzed. The evaluation method of exposure for the previous mobile generations is the specific absorption rate (SAR). Since the penetration depth of the EMFs is lower at the millimeter-wave (mm-wave) band, power density (PD) in free space is employed as evaluation metric instead. The maximum permissible transmitted power to satisfy the proposed limits is calculated, showing a severe discontinuity compared with the maximum power in 4G UE. The exposure of the switchable monopole is compared with a patch phased array, showing a faster decrease in the PD peak than the array at 1.3 cm from the terminal.
OriginalsprogEngelsk
Titel13th European Conference on Antennas and Propagation (EuCAP)
Antal sider4
ForlagIEEE
Publikationsdato20 jun. 2019
ISBN (Trykt)978-1-5386-8127-5
ISBN (Elektronisk) 978-88-907018-8-7
StatusUdgivet - 20 jun. 2019
BegivenhedThe 13th European Conference on Antennas and Propagation - Krakow, Krakow, Polen
Varighed: 31 mar. 20195 apr. 2019
https://www.eucap2019.org/

Konference

KonferenceThe 13th European Conference on Antennas and Propagation
LokationKrakow
LandPolen
ByKrakow
Periode31/03/201905/04/2019
Internetadresse

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Millimeter waves
Electromagnetic fields
Antennas
Electric potential

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@inproceedings{8304bc8ececb4aa28fe749acc08f3f58,
title = "User Body Interaction of 5G Switchable Antenna System for Mobile Terminals at 28 GHz",
abstract = "In this paper, a 12-element switchable antenna system for handsets is proposed at 28 GHz. The effect of the head and hand in the impedance matching and radiation pattern is assessed. The electromagnetic field (EMF) exposure in the body is analyzed. The evaluation method of exposure for the previous mobile generations is the specific absorption rate (SAR). Since the penetration depth of the EMFs is lower at the millimeter-wave (mm-wave) band, power density (PD) in free space is employed as evaluation metric instead. The maximum permissible transmitted power to satisfy the proposed limits is calculated, showing a severe discontinuity compared with the maximum power in 4G UE. The exposure of the switchable monopole is compared with a patch phased array, showing a faster decrease in the PD peak than the array at 1.3 cm from the terminal.",
keywords = "5G mobile communication, antenna array, RF EMF exposure, power density, handset",
author = "{Rodriguez Cano}, Rocio and Shuai Zhang and Kun Zhao and Pedersen, {Gert F.}",
year = "2019",
month = "6",
day = "20",
language = "English",
isbn = "978-1-5386-8127-5",
booktitle = "13th European Conference on Antennas and Propagation (EuCAP)",
publisher = "IEEE",
address = "United States",

}

Rodriguez Cano, R, Zhang, S, Zhao, K & Pedersen, GF 2019, User Body Interaction of 5G Switchable Antenna System for Mobile Terminals at 28 GHz. i 13th European Conference on Antennas and Propagation (EuCAP). IEEE, Krakow, Polen, 31/03/2019.

User Body Interaction of 5G Switchable Antenna System for Mobile Terminals at 28 GHz. / Rodriguez Cano, Rocio; Zhang, Shuai; Zhao, Kun; Pedersen, Gert F.

13th European Conference on Antennas and Propagation (EuCAP). IEEE, 2019.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

TY - GEN

T1 - User Body Interaction of 5G Switchable Antenna System for Mobile Terminals at 28 GHz

AU - Rodriguez Cano, Rocio

AU - Zhang, Shuai

AU - Zhao, Kun

AU - Pedersen, Gert F.

PY - 2019/6/20

Y1 - 2019/6/20

N2 - In this paper, a 12-element switchable antenna system for handsets is proposed at 28 GHz. The effect of the head and hand in the impedance matching and radiation pattern is assessed. The electromagnetic field (EMF) exposure in the body is analyzed. The evaluation method of exposure for the previous mobile generations is the specific absorption rate (SAR). Since the penetration depth of the EMFs is lower at the millimeter-wave (mm-wave) band, power density (PD) in free space is employed as evaluation metric instead. The maximum permissible transmitted power to satisfy the proposed limits is calculated, showing a severe discontinuity compared with the maximum power in 4G UE. The exposure of the switchable monopole is compared with a patch phased array, showing a faster decrease in the PD peak than the array at 1.3 cm from the terminal.

AB - In this paper, a 12-element switchable antenna system for handsets is proposed at 28 GHz. The effect of the head and hand in the impedance matching and radiation pattern is assessed. The electromagnetic field (EMF) exposure in the body is analyzed. The evaluation method of exposure for the previous mobile generations is the specific absorption rate (SAR). Since the penetration depth of the EMFs is lower at the millimeter-wave (mm-wave) band, power density (PD) in free space is employed as evaluation metric instead. The maximum permissible transmitted power to satisfy the proposed limits is calculated, showing a severe discontinuity compared with the maximum power in 4G UE. The exposure of the switchable monopole is compared with a patch phased array, showing a faster decrease in the PD peak than the array at 1.3 cm from the terminal.

KW - 5G mobile communication

KW - antenna array

KW - RF EMF exposure

KW - power density

KW - handset

M3 - Article in proceeding

SN - 978-1-5386-8127-5

BT - 13th European Conference on Antennas and Propagation (EuCAP)

PB - IEEE

ER -