Planar Antenna Design For Short Range Device (SRD) Of Wireless Communication

Mohd, Najwa Norhanani (2016) Planar Antenna Design For Short Range Device (SRD) Of Wireless Communication. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

In recent time, many by the consumer for integrated wireless digital applications.Antenna that preferred in this demand should be low profile, light weight, easy to integrated and high performance. Planar antenna is selected to fulfill these requirements. This thesis is focused on design planar antenna at 900MHz of wireless communication for short range device. The term "short range" connotes the signal travel from a few centimeters to several meters. The parameters to be improved in this thesis are included reflected coefficient (S 11 ), gain and radiation pattern. The results of the performances of planar antenna are covered by the simulation of the design using CST Studio Suite Software and measurement by using spectrum analyzer. From the simulation result, the parametric study has been done on order to get the optimum dimension of planar antenna for the design so that the resonant frequency of 900MHz can be achieved. But the resonant frequency is shift to 903.6MHz with the good performance of return loss, radiation pattern and gain. The value of return loss is-67.60 and gain is 6.962dB. The radiation pattern in the simulation pattern is Omni-directional pattern. While, in measurement process, the resonant frequency is shift to 909 MHz with the good performance of return loss,radiation pattern and gain. The value of return loss is-22.267 and gain is 6.351 dB. The radiation pattern in the simulation pattern is Omni-directional pattern. The field test has been done at UTeM Sport Complex. The maximum distance can be covered by the antenna is 120 meter after integrated with the R002 URF. At the end of this project, the planar antenna are design with good performance integrate with the URF module.

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