The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
A small metasurface (MS) lens is proposed to enhance the gain of antennas. The small MS lens has a circular shape with diameter 1λ, where λ is wavelength in free space. The unit cells on the MS lens has rectangular shapes and are designed according to the gradient index (GRIN) in the y-axis direction. The MS lens is placed at λ/2 from a source antenna. A slot and patch antennas are used for studies...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.