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A dual-band multiple-input multiple-output microstrip antenna with metamaterial structure for LTE and WLAN applications
Affiliation:1. Young Researchers and Elite Club, Urmia Branch, Islamic Azad University, Urmia, Iran;2. Department of Electrical Engineering, Urmia Branch, Islamic Azad University, Urmia, Iran;1. Space Science Center (ANGKASA), Universiti Kebangsaan Malaysia, 43600 UKM, Bangi, Selangor, Malaysia;2. Department of Electrical, Electronic and Systems Engineering, Universiti Kebangsan Malaysia, 43600 UKM, Bangi, Selangor, Malaysia;1. Young Researchers and Elite Club, South Tehran Branch, Islamic Azad University, Tehran, Iran;2. Department of Electrical Engineering, Imam Khomeini International University, Qazvin, Iran;3. Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran;1. Department of ECE, Birla Institute of Technology, Mesra, Ranchi, India;2. Department of ECE, Institute of Technology, Guru Ghasidas Vishwavidyalaya, Bilaspur, India;1. The 722nd Research Institute of China Shipbuilding Industry Corporation, Wuhan, China;2. Electronic Information School, Wuhan Universtiy, Wuhan, China;3. Department of Electronics and Information Engineering, Central China Normal University, Wuhan, China;1. Department of Electrical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran;2. Young Researchers and Elite Club, Babol Branch, Islamic Azad University, Babol, Iran;3. Faculty of Electrical and Computer Eng, University of Sistan and Baluchestan, Zahedan, Iran;4. Department of Engineering, Islamic Azad University, Aligoudarz Branch, Aligoudarz, Iran
Abstract:A method to enhance the gain of microstrip dual-band multiple-input multiple-output (MIMO) antenna using partially reflective surface (PRS) layer is introduced and investigated in this paper. The proposed antenna consists of two FR4 substrates. The lower substrate has two radiating patches with parasitic elements that are supplied independently and create the MIMO property of the antenna. The upper substrate which is known as superstrate is arrays of PRS unit cells. The PRS layer printed on either side of a dielectric substrate and causes the antenna gain to increase in both frequency bands. The proposed antenna is appropriate for LTE (2.4–3.1 GHz) and WLAN (5.1–5.8 GHz) applications. The measured values of S11 and S22 parameters of the antenna are less than −10 dB and its FBR and gain are 12.5 dB and 5dBi, respectively. The average half power beam-width (HPBW) is roughly 108.
Keywords:Microstrip antenna  PRS  MIMO  LTE  WLAN
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