Circularly Polarized L-Shaped Defected Ground Antenna for WLAN Communication Systems
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Keywords:Circular Polarized, Wi-Fi Antenna, WLAN, 2.4 GHz, IOT
With Industry 4.0, the evolution of technology has accelerated. As the information shared by people has increased, homes, cities and working environments have begun to be equipped with smart systems with the requirements of the age. IOT (internet of things) is spreading around the world. As a benefit of the advantages of wireless communication, technologies that provide information transmission using radio waves have gained importance. The increasing population in the world and its direct effect on demand require factories to keep production under control. This allows for renewal in manufacturing by triggering the contemporary transformation of the world. The transfer of this data has become an important issue as well as the increase in the amount of data generated. Wireless communication is provided by using radio frequency and studies are carried out on the 2.4 GHz ISM band frequency, which is the most frequently used. In this paper, circular polarized reader antenna with resonance frequency at 2.4 GHz and gain of 4.7 dBi is proposed. Resonance frequency covered by WLAN (wireless local area network) (2.4, 2.5 GHz). Impedance bandwidth -10 dB is between the frequencies 2.28 GHz and 2.53 GHz. The size of the designed antenna is 114mm x 65mm x 0.8mm.
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