A PSO-driven spline-based shaping approach for ultra-wideband (UWB) antenna synthesis
Résumé
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 perspectives: 1) representation of the antenna shape with a simple and efficient description; 2) definition of a suitable description of the UWB Tx/Rx system; 3) formulation of the synthesis problem in terms of an optimization one; 4) integration of the modelling of the UWB system into a computationally efficient minimization procedure. As a result, an innovative synthesis technique based on the PSO-based iterative evolution of suitable shape descriptors is carefully detailed. To assess the effectiveness of the proposed method, a set of representative numerical simulations are performed and the results are compared with the measurements from experimental prototypes built according to the design specifications coming from the optimization procedure. To focus on the main advantages and features of the proposed approach, comparisons with the results obtained with a standard parametric approach are reported, as well
Mots clés
iterative methods
evolutionary computation
design
minimisation
particle swarm optimisation
splines (mathematics)
spline-based shaping approach
ultrawideband antenna synthesis
minimization procedure
iterative evolution
representative numerical simulations
design specifications
parametric approach
Spline
Ultra wideband technology
Ultra wideband antennas
Shape
Frequency
Time domain analysis
Particle swarm optimization
Bandwidth
FCC
Receiving antennas
Antenna synthesis
particle swarm optimizer (PSO)
spline representation
ultrawideband (UWB)