Capacitively Loaded Loop-Based Antennas with Reconfigurable Radiation Patterns | Zendy

Saber Dakhli | Zendy; Hatem Rmili | Zendy; Jean Marie Floc'H | Zendy; Muntasir Sheikh | Zendy; K. Mahdjoubi | Zendy; Fethi Choubani | Zendy; Richard W. Ziolkowski | Zendy

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Capacitively Loaded Loop-Based Antennas with Reconfigurable Radiation Patterns

Author(s) -

Saber Dakhli,

Hatem Rmili,

Jean Marie Floc'H,

Muntasir Sheikh,

K. Mahdjoubi,

Fethi Choubani,

Richard W. Ziolkowski

Publication year - 2015

Publication title -

international journal of antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.282

H-Index - 37

eISSN - 1687-5877

pISSN - 1687-5869

DOI - 10.1155/2015/523198

Subject(s) - antenna (radio) , radiation , metamaterial , reconfigurable antenna , radiation pattern , electrical impedance , loop (graph theory) , physics , electronic engineering , computer science , topology (electrical circuits) , optoelectronics , optics , electrical engineering , engineering , antenna efficiency , mathematics , combinatorics

International audienceA class of metamaterial-inspired antennas having reconfigurable radiation patterns is proposed. They consist of a driven monopole antenna with one- and two-capacitively loaded loop (CLL), near field resonant parasitic elements. Two configurations are studied by considering the state of these CLL elements as being either open or closed configurations. Simulation results explain the design features and demonstrate that the structure can change its beam direction simply by controlling the switched states. Two prototypes with one- and two-CLL elements were fabricated and tested. The measured impedance mismatch and radiation pattern results are presented and compared to the corresponding simulated values

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