A miniaturized metamaterial slot antenna for wireless applications |
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| Affiliation: | 1. School of Electronics and Communication Engg., REVA University, Bangalore, India;2. Technology Department, Fractus Antennas and Electronics and Telecommunications Department, Universitat Ramon Llull, Barcelona, Spain;3. Technology Department, Fractus Antennas, Barcelona, Spain;1. School of Physics, Sun Yat-sen University, Guangzhou 510275, China;2. School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China;1. Department of Electrical Engineering, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran;2. Department of Electrical Engineering, Urmia University, Urmia, Iran;3. Department of Electrical Engineering, Military College of Signals (MCS), National University of Science and Technology, Islamabad, Pakistan;4. Young Researchers and Elite Club, Babol Branch, Islamic Azad University, Babol, Iran;1. Electronic Engineering Dep, Minia University, El-Minia, Egypt;2. Department of Electronics & Communications Engineering, College of Engineering and Technology, Arab Academy for Science, Technology and Maritime Transport (AASTMT), Egypt;1. Department of Electronics & Communication Engineering, G. B. Pant Engineering College, Pauri Garhwal, Uttarakhand 246 194, India;2. Ambedkar Institute of Advanced Communication Technologies & Research, Geeta Colony, Delhi 110031, India |
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| Abstract: | A novel miniaturized five band metamaterial inspired slot antenna is reported. The proposed design consists of a ring monopole and metamaterial Rectangular Complementary Split Ring Resonator (RCSRR) as the radiating part, two L and one T–shaped slot as the ground plane, respectively. Miniaturization in the proposed design is accomplished by metamaterial RCSRR, and also, it helps the antenna to operate at 2.9 and 5.2 GHz frequency bands. The aforementioned miniaturization process leads to about 46.8% reduction in volume of the proposed design, as compared to the conventional antenna. The pass band characteristics of the metamaterial RCSRR through waveguide medium are discussed in detail. In order to enhance the operating abilities of the miniaturized antenna, slots are etched out in the ground plane, thereby making the miniaturized antenna further operate at 2.4, 5.6 and 8.8 GHz, respectively. The proposed design has an active patch area of only , with dB bandwidth of about 4.16% (2.35–2.45 GHz), 5.71% (2.63–2.76 GHz), 10.25% (4.44–4.92 GHz), 6.25% (5.42–5.77 GHz) and 2.39% (8.68–8.89 GHz) in simulation, and about 6.86% (2.25–2.41 GHz), 5.01% (2.55–2.7 GHz), 9.16% (4.58–5.02 GHz), 5.38% (5.79–6.11 GHz) and 5.42% (8.44–8.91 GHz) in measurement. The antenna has good impedance matching, acceptable gain and stable radiation characteristics across the operational bandwidths. |
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| Keywords: | Metamaterial Multiband RCSRR Slots |
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