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Characteristic Mode Theory to Enhance the Isolation Level for Full-Duplex 5G in Mobile Handsets

Abstract : This paper studies the design of a two-port dualband antenna system for 4G MIMO Half-Duplex (HD) and 5G TX/RX Full-Duplex (FD) communications. The work will focus mainly on the use of the characteristic modes of a mobile chassis to enhance the isolation level between the two Planar Inverted-F Antenna (PIFA) ports. Three different mobile chasses were studied and finally a size of 140 mm×70 mm, suitable for smartphones was chosen. Two identical slotted PIFA with parasitic elements were the candidates for this mission. The results of this study show that the use the theory of characteristic modes (TCM) allows to better design high isolated antennas. As a result, TCM can facilitate the design of MIMO HD and FD technologies at the level of mobile handsets.
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Communication dans un congrès
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https://hal.archives-ouvertes.fr/hal-02190295
Contributeur : Sophie Gaffé-Clément <>
Soumis le : lundi 22 juillet 2019 - 12:05:03
Dernière modification le : jeudi 5 mars 2020 - 12:20:38

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Mohamed Fakih, Aliou Diallo, Philippe Le Thuc, Robert Staraj, Omar Mourad, et al.. Characteristic Mode Theory to Enhance the Isolation Level for Full-Duplex 5G in Mobile Handsets. 16th International Symposium on wireless Communications Systems (ISWCS 2019), IEEE, Aug 2019, Oulu, Finland. pp.81-85, ⟨10.1109/ISWCS.2019.8877276⟩. ⟨hal-02190295⟩

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