Design Of Complementary Frequency Selective Surface On Glass Design For Wireless Communication Application

Rasyid Dahlan, Muhammad Amirul (2017) Design Of Complementary Frequency Selective Surface On Glass Design For Wireless Communication Application. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Modern houses use energy efficient building materials like metal shielding and energy saving windows to improve the thermal efficiency.Such energy efficient building materials creates the barrier for outdoor-to-indoor RF signals propagation which is one of the challenging problems in the field of cellular communication.One of the newer passive techniques which is operator independent and does not have additional network burden, is the use of complementary frequency selective windows. Frequency selective windows consist of Frequency Selective Surface (FSS) etched on the metal coating of the energy saving windows,allowing cellular frequencies to pass through them while blocking the thermal radiation.FSS possess frequency selective behavior based on the element geometry.In order to improve the performance of FSS,Complementary approach has been used which it produce strong fields in the separation region. As a result,good angular and polarisation stability can be achieved.This thesis presents the modelling, simulation,fabrication and test measurements of the FSS that is transparent to GSM and UMTS frequency band.CFSS with a double circular ring patch and slot for font and back surface of glass as a unit cell is selected for the analysis.The modelling and simulation of the FSS are carried out in the Computer Simulation Technology (CST) microwave studio,2012 version.CFSS prototype is fabricated using the commercial available aluminium tape. The objective of this project is to have transparency frequency for GSM and UTMS which have 900 MHz,1800 MHz and 2100 MHz frequency.

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