![Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications](https://www.researchgate.net/profile/Ioannis-Gravas/publication/355070717/figure/fig1/AS:1076742454284290@1633726814974/An-antenna-array-with-arbitrary-geometry_Q320.jpg)
Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications
![Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications](https://www.researchgate.net/profile/Ioannis-Gravas/publication/355070717/figure/fig5/AS:1076742458474498@1633726815043/Rectangular-microstrip-patch_Q320.jpg)
Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications
![Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications](https://www.researchgate.net/publication/341454493/figure/tbl2/AS:892519172800528@1589804561782/Optimized-Structure-Dimensions_Q320.jpg)
Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications
![Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications](https://i1.rgstatic.net/ii/profile.image/762091036221445-1558708070519_Q128/Anastasios-Stamoulakatos.jpg)
Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications
![Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications](https://www.researchgate.net/profile/Ioannis-Gravas/publication/355070717/figure/fig4/AS:1076742458474497@1633726815030/Microstrip-line_Q320.jpg)
Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications
![Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications](https://www.researchgate.net/profile/Ioannis-Gravas/publication/345319463/figure/fig5/AS:954422913933318@1604563563629/De-Jongs-1-st-function-2D-graph_Q320.jpg)
Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications
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Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications
![Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications Ioannis GRAVAS | PhD Student | PhD on wireless communications, MEng/ECE | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Electrical and Computer Engineering/Division of Telecommunications](https://www.researchgate.net/profile/Pavlos-Lazaridis/publication/336512594/figure/fig2/AS:819379935653888@1572366808192/Geometry-parameters-of-the-proposed-antenna-array_Q320.jpg)