Wideband MIMO antenna system with dual polarization for WiFi and LTE applications

Moradikordalivand, A. and Leow, C. Y. and Rahman, T. A. and Ebrahimi, S. and Chua, T. H. (2016) Wideband MIMO antenna system with dual polarization for WiFi and LTE applications. International Journal of Microwave and Wireless Technologies, 8 (3). pp. 643-650. ISSN 1759-0787

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Abstract

In this paper a wideband multi-input multi-output (MIMO) antenna system for WiFi-LTE wireless access point (WAP) application is proposed. The MIMO antenna system consists of two common element microstrip-fed monopole antennas with dual polarization. Physically closed integration of MIMO antenna elements requires a special technique to increase the isolation between the antennas. A novel structure of parasitic element is introduced to improve the isolation between the antennas. The proposed MIMO antenna system is simulated and optimized using CST Microwave Studio. The designed antenna system is fabricated and measured to verify the simulation results. Reflection coefficient of less than -10 dB and isolation more than 15 dB are achieved in the operating frequency range of 2.3-2.9 GHz which covers WiFi 2.4 GHz and LTE 2.6 GHz bands. The proposed system also provides dual polarization with 10 dB polarization diversity gain and envelope correlation coefficient less than 0.15. Each individual antenna has a gain of 5.1 dB and 68% efficiency.

Item Type:Article
Uncontrolled Keywords:Antenna feeders, Cellular telephone systems, Communication channels (information theory), Microwave antennas, Monopole antennas, Polarization, Wi-Fi, Wireless telecommunication systems, Envelope correlation coefficient, Isolation, Microstrip fed, Multi input multi output, Parasitic element, Polarization diversity, Printed monopole antennas, Wireless access points, MIMO systems
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:72593
Deposited By: Haliza Zainal
Deposited On:28 Nov 2017 14:16
Last Modified:28 Nov 2017 14:16

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