Metamaterial inspired quad band circularly polarized antenna for WLAN/ISM/Bluetooth/WiMAX and satellite communication applications |
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| Institution: | 1. Laboratory of Antennas and Propagation (LAP), Technological Institute of Aeronautics (ITA), São José dos Campos, SP, Brazil;2. Laboratory of Integration and Tests (LIT), National Institute for Space Research (INPE), São José dos Campos, SP, Brazil;1. AORC, Sungkyunkwan University, Suwon 16419, South Korea;2. Department of Mathematics Education, Sungkyunkwan University, Seoul 03063, South Korea;3. Department of Mathematics, Sungkyunkwan University, Suwon 16419, South Korea;1. Department of Electronics Engineering, Indian Institute of Technology (ISM), Dhanbad 826004, India;2. School of Computational & Integrative Sciences, Jawaharlal Nehru University, New Delhi 110067, India;3. Department of Electronics & Communication Engineering, ABES Engineering College, Ghaziabad 201009, India;4. Department of Electronics & Communication Engineering, Faculty of Technology (SCRIET), CCS University, Meerut 250005, India;1. Department of Electrical Engineering, Beyza Branch, Islamic Azad University, Beyza, Iran;2. Department of Engineering and Technology, Imam Khomeini International University, Ghazvin, Iran;3. Department of Electrical Engineering, Dashtestan Branch, Islamic Azad University, Dashtestan, Iran;4. Department of Electrical and Computer Eng., Science and Research Branch, Islamic Azad University, Tehran, Iran |
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| Abstract: | A CPW fed metamaterial inspired Quadband circularly polarized antenna is presented in this article. The proposed antenna consists of defected ground structure with a radiating stub, which is at opposite side of the feedline. A waveguide mode of analysis is carried out for split ring resonator (SRR) and complimentary split ring resonator (CSRR) to enhance the properties of metamaterials. The proposed antenna analysis is taken iteration wise and used FR-4 Material as the substrate material with ?r = 4.4 and analysed using ANSYS electromagnetic desktop. The designed antenna projecting the peak gain of 4.8 dB and it is working in the application bands of WLAN/ISM/Bluetooth at 2.4 GHz, 5.8 GHz and 3.35 WiMAX band, X-band downlink satellite communication system (7.25–7.75 GHz) and ITU band (8–8.5 GHz) with fractional bandwidth of about 70%. Proposed antenna exhibits circular polarization at 2.39–2.55 GHz, 3.05–3.1 GHz, 4–5 GHz and 6.3–6.64 GHz respectively. To know the signal integrity of the antenna, time domain analysis is carried out for identical antennas in two conditions (face to face and side by side) with the help of CST microwave studio. The designed antenna showing excellent correlation in measurements with respect to simulation results. |
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| Keywords: | Axial ratio Coplanar waveguide feeding (CPW) Circular polarization (CP) Split ring resonator (SRR) Complementary split ring resonator (CSRR) Unit cell |
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