?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F752%2F&rft.title=Particle+Swarm+Optimization+of+Innovative+Wide+Angle+Impedance+Matching+Metasurfaces&rft.creator=Oliveri%2C+G.&rft.creator=Salucci%2C+M.&rft.creator=Anselmi%2C+N.&rft.creator=Massa%2C+A.&rft.subject=A+WC+Next+Generation+Wireless+Communications&rft.subject=M+EA+Evolutionary+Algorithms&rft.description=The+design+of+innovative+wide-angle+impedance+matching+(WAIM)+structures+is+proposed+to+mitigate+reflection+issues+arising+when+scanning+waveguide-fed+planar+phased+arrays.+The+WAIM+is+based+on+a+metasurface+which+is+composed+by+several+unit+cells+arranged+according+to+a+triangular+lattice.+A+System-by-Design+(SbD)+approach+is+exploited+to+synthesize+-+by+means+of+a+customized+particle+swarm+optimization+(PSO)-based+algorithm+-+the+geometrical+descriptors+of+such+a+metasurface+in+order+to+reduce+the+reflections+when+steering+the+main+beam+of+the+array.+Numerical+results+are+shown+in+order+to+verify+the+effectiveness+as+well+as+the+potentialities+of+the+developed+design+strategy.&rft.publisher=ELEDIA+Research+Center+-+University+of+Trento&rft.date=2017&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F752%2F1%2FParticle%2520Swarm%2520Optimization%2520of%2520Innovative%2520Wide%2520Angle%2520Impedance%2520Matching%2520Metasurfaces.pdf&rft.identifier=++Oliveri%2C+G.+and+Salucci%2C+M.+and+Anselmi%2C+N.+and+Massa%2C+A.++(2017)+Particle+Swarm+Optimization+of+Innovative+Wide+Angle+Impedance+Matching+Metasurfaces.++Technical+Report.+ELEDIA+Research+Center+-+University+of+Trento.+++++