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| Naji, M. |
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| Motta, Antonella |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Zhekov, Stanislav Stefanov
Ericsson (Sweden)
in Cooperation with on an Cooperation-Score of 37%
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Publications (3/3 displayed)
- 2020Dielectric Properties of Common Building Materials for Ultrawideband Propagation Studies [Measurements Corner]citations
- 2020Effect of Dielectric Properties of Human Hand Tissue on Mobile Terminal Antenna Performancecitations
- 2019Dielectric Properties of Human Hand Tissue for Handheld Devices Testingcitations
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document
Effect of Dielectric Properties of Human Hand Tissue on Mobile Terminal Antenna Performance
Abstract
A good approach when designing antennas for<br/>mobile terminals is to optimize them for operation in the vicinity<br/>of the user body. The presence of a lossy human tissue in the<br/>antenna’s near field has an adverse effect on the radiator’s<br/>performance. The focus of this paper is on studying the change<br/>in the antenna performance due to the change in the dielectric<br/>properties of the human hand holding the mobile terminal. The<br/>investigation is conducted by using an antenna array consisting<br/>of two identical and symmetrical PIFA antennas covering the<br/>frequency band from 5.8 GHz to 7.7 GHz. Several different<br/>values of the complex permittivity are assigned to a human hand<br/>phantom in the numerical simulations and it is found that the<br/>variation of the complex relative permittivity within a large range<br/>of values does not change largely the S-parameters and radiation<br/>efficiency of the antenna.