In this paper a spline-shaped monopole radiator for utilization in Ultrawideband (UWB) Wireless Body Area Networks (WBANs) is presented. The antenna exhibits a good impedance matching and stable radiation patterns in the lower UWB band from 3.1 to …
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 letter, a spline-shaped ultrawideband (UWB) antenna enabling simultaneous operability over multiple mobile wireless standards-namely the DCS, PCS, UMTS, and ISM bands-is proposed. The antenna is expected to exhibit a good impedance matching …
In this paper, an approach for the synthesis of Ultra-Wideband (UWB) antennas with a notched frequency band is presented. It exploits the effectiveness of a representation based on spline curves to obtain the wideband behavior and the simplicity of …
The recent development of many new ultra-wideband (UWB) array technologies has created a demand for antenna elements that can effectively operate over similar bandwidths. For example, the polyfractal [1] and RPS [2] topologies are capable of …
In this paper, a time domain analysis for the synthesis of antennas suitable for Ultra-Wideband (UWB) communications is presented. Towards this end, a set of time domain requirements that guarantee good impedance matching, distortionless properties, …
In this paper, an approach for the synthesis of antenna systems suitable for UWB communication applications has been presented. The final antenna geometry is obtained by means of a PSO aimed at fitting a set of time domain requirements. Such …
Synthesis of ultrawideband (UWB) antennas by means of a particle swarm optimizer (PSO)-driven spline-based shaping approach is described. In order to devise a reliable and effective solution, such a topic is analyzed according to different …
In this paper, an innovative approach for the synthesis of antennas fitting the requirements of an UWB communication system has been presented. Such an approach allows one to design UWB antennas with distortionless propagation properties as well as …
In this letter, a planar ultra wideband (UWB) antenna suitable for the integration in wireless universal serial bus (USB) dongles is described. The antenna has a bandwidth equal to 2 GHz from 3 GHz up to 5 GHz with return loss values below -10 dB in …