In this paper, a flexible reconfigurable antenna suitable for wearable applications is presented. Thanks to the reconfiguration mechanism, the antenna is robust in terms of impedance matching to the folding of the structure.
In this paper, the impact of the ground plane reduction imposed by modern wireless terminals on the antenna performance is evaluated. Numerical results in terms of antenna efficiency andQ-factor are discussed for two different antenna geometries.
A simple antenna structure able to simultaneously generate two different polarisation and radiation modes is proposed. In addition to a good impedance matching all over multiple bands, antennas based on the proposed geometry can exhibit a linearly …
This paper presents an approach for the synthesis of pattern-reconfigurable antenna suitable for integration into smart wireless sensor nodes. As a proof-of-concept, a simple antenna configuration capable of steering the radiation main beam towards …
This paper discusses the exploitation of spline-based geometries in the synthesis of Ultra-Wideband (UWB) antennas. The synthesis is carried out in the time-domain by using the antenna efficiency and the system fidelity as indexes of the antenna …
In this paper, the effects of geometrical perturbations on the geometry of a reference fractal antenna have been carefully analyzed to provide a set of analytic rules for describing the resonant behavior of the antenna. As regards to the antenna …
In this letter, the design of a quad-band antenna is presented. The antenna has a planar geometry printed on a dielectric substrate orthogonal to a reference ground plane and its geometrical parameters are optimized starting from a Hilbert-like …
In this paper, an innovative spline-based approach for the UWB antennas synthesis has been proposed. The flexibility and accuracy of the method allows a reliable matching of UWB requirements. A representative design example described through the …
This letter presents the design of a planar antenna for ultrawideband (UWB) applications with a bandwidth of 5.5 GHz over 3.7 to 9.2 GHz and return loss values lower than -10 dB. The antenna geometry is described in terms of a spline-based …