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Article Dans Une Revue IET Microwaves Antennas and Propagation Année : 2021

Ultra‐wideband antenna system for in‐band full‐duplex applications

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In this paper, we present an ultra-wideband full-duplex antenna system constituted of a wideband 4-element Vivaldi array and wideband microstrip-to-slotline baluns. The proposed system is characterized by its simplicity, high directivity, and high self-interference cancellation levels over a wide frequency bandwidth. The system is abricated using basic PCB technology and can provide at least 50 dB of self-interference cancellation over the bandwidth of operation, 4 - 40 GHz, with an average gain of 7.8 dBi. The system has a size of 8 cm x 8 cm x 9.4 cm and can be used as a high data rate link between two distant wireless nodes. To assess the merits of the proposed system and compare it to other published works, a new figure of merit (FoMWFD) dedicated to wide-band full-duplex antenna topologies is introduced in this paper.
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Dates et versions

hal-03428256 , version 1 (15-11-2021)



Hadi Hijazi, Marc Le Roy, Raafat Lababidi, Denis Le Jeune, André Pérennec. Ultra‐wideband antenna system for in‐band full‐duplex applications. IET Microwaves Antennas and Propagation, 2021, pp.1-13. ⟨10.1049/mia2.12194⟩. ⟨hal-03428256⟩
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