Dual Polarization Reconfigurable Antenna

Nur Shaheera Alia , Sadick Ali (2015) Dual Polarization Reconfigurable Antenna. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 pages) Dual Polarization Reconfigurable Antenna 24 Pages.pdf - Submitted Version Download (922kB)

Abstract

Multipath is a propagation phenomenon that results in radio signals reaching the receiving antenna by two or more paths. The propagation delay along each path is different. Multipath fading occurs in any environment where there is multipath propagation and there is some movement of elements within the radio communications system. By using dual polarization, it can increase system capacity of traffic handling, combat multipath effect, enhance the system performance, and increase channel capacity. The main objective of this project is to design, simulate and fabricate the reconfigurable dual polarization antenna. The antenna should be able to operate at the resonant frequency of 2.4GHz with the return loss of -10dB and the polarization can be switch by using PIN diode. The antenna are design step by step and start with linear polarization antenna, right-handed polarization antenna, left-handed polarization antenna, dual polarization antenna and dual polarization reconfigurable antenna. Then the design will simulate by using CST 2014. After the design achieved project objective, the next step is fabrication process and measurement process. The simulation and measurement result show that the design antenna having the resonant frequency 2.4GHz and below than -10dB. The directivity is more than 6dBi, the gain is more than 3dB and the total efficiency is less than -3dB. This antenna able to produced dual polarization which is linear polarization and right-hand circular polarization. From this project, prove that the antenna design able to produce dual polarization reconfigurable antenna.

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