Volume 16, Issue 4 (JIAEEE Vol.16 No.4 2019)                   Journal of Iranian Association of Electrical and Electronics Engineers 2019, 16(4): 35-42 | Back to browse issues page

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Jafarnezhad H, Zehforoosh Y. Design of a Planar Microstrip Multi-Input Multi-Output Antenna for LTE Applications. Journal of Iranian Association of Electrical and Electronics Engineers 2019; 16 (4) :35-42
URL: http://jiaeee.com/article-1-408-en.html
Department of electrical engineering, Urmia branch, Islamic azad University, Urmia, Iran.
Abstract:   (2901 Views)
A compact multiple-input–multiple-output (MIMO) antenna is presented for Long Term Evolution (LTE) applications. The antenna consists of a common square patch for ports and two ground plane with two separated microstrip feed lines. The antenna feed lines are placed perpendicularly to each other to obtain high isolation, and a T-shaped slot is added to reduce the mutual coupling of antenna elements in the operating frequency band. In this design two L-shaped radiator-elements are used for exiting two resonance frequencies that have connected to the patch by two metalized vias.  The proposed MIMO antenna has a compact size of 38×37.5 mm, and the antenna prototype is fabricated and measured. The measured results show that the proposed antenna design achieves an impedance bandwidth of larger than 1.92–2.67 GHz for port-1 and 1.69-2.96 GHz for port-2, low mutual coupling of less than 10 dB, and a low envelope correlation coefficient across the frequency band, which are suitable for portable LTE applications.
 
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Type of Article: Research | Subject: Communication
Received: 2017/09/26 | Accepted: 2019/01/24 | Published: 2019/12/27

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