Broadband X-Circular Polarized Antenna

Siti Lailatul Qadr, Zulkipli (2012) Broadband X-Circular Polarized Antenna. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

There is a tremendous growth in demand for wireless communication system such as data, voice and multimedia application. Today, worldwide wireless subscribers are growing rapidly within one second. This leads to have a large bandwidth since demanding of high speed internet access is increases. In order to receive signal capability and broad receiving pattern, circular polarization is generated and as a result, the effectiveness of the antenna is increased. A good antenna design promises a better system performance. Thus, large bandwidth with good polarization is necessary parallel in order to increase the performance of the antenna. This aim of this project is to design, simulate and fabricate broadband circular polarization antenna at center frequency of 2.4 GHz for wireless MIMO applications. Several design methods have been investigated to achieve a circular polarization antenna with large bandwidth such as truncated corner, slot and stacked method. The design process is analyzed and simulated by using CST software. To get a significant result, the proposed antenna is able to fulfill requirement simulation design at return loss below than -10dB with a frequency bandwidth of 228.25MHz.

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