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|Title||Design of Frequency Selective Surface (FSS) for Mobile Signal Shielding|
|Title in Arabic||تصميم سطح انتقائي لمنع ترددات الخلوي|
The purpose of this project is to design novel structures of frequency selective surfaces (FSS). FSSs have been the subject of intensive investigation for their widespread applications in communication and radar systems. For practical applications, it is desired to realize a FSS with miniaturized elements and a stable frequency response for different polarizations and incident angles. But these features are difficult to obtain through traditional designs. The focus in this thesis was to shield the signals of mobile communications, and five FSS models have been designed to achieve that based on 2D periodic arrays. The simulations are done using CST Microwave Studio. First design which is double square loop microstrip structure covered GSM900 and GSM1800 bands while the second design is a novel microstrip model that covered the bands GSM900, GSM1800 and LTE. The third design is similar to previous designs but with glass substrate to be suitable for wide buildings, and the fourth model covers more bands including GSM900, GSM1800, 3G (UMTS) and LTE. The last model is designed to be suitable to the outdoor applications and it is made from double wired net joined with iron cylinders and it covers the bands GSM900, GSM1800 and 3G. The simulation results showed good performance for scattering parameters for different polarizations and also various incident angles.
|Publisher||الجامعة الإسلامية - غزة|
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