Cross Polarized 2x2 LTE MIMO System for Automotive Shark Fin Application

作者

  • Djordje Preradovic Department of Electrical and Computer Engineering Oakland University, Rochester, MI 48309, USA
  • Daniel N. Aloi Department of Electrical and Computer Engineering Oakland University, Rochester, MI 48309, USA

关键词:

Automotive Antennas, LTE (Long Term Evolution), MIMO (Multiple Input Multiple Output), shark fin, wideband

摘要

In this research we propose two orthogonally placed FR4 printed planar monopole antenna elements for use in the automobile roof top shark fin antenna for LTE MIMO applications. The discussed MIMO antenna system is designed to cover the worldwide LTE frequency band from 698MHz to 2700MHz. The goal of this research is to achieve satisfactory MIMO performance across the whole band while staying within physical constraints of the shark fin style antenna. The target reflection coefficient (S11) of each element is -6dB. Because of physical constraints of the automotive shark fin design antenna MIMO decorrelation is achieved by cross polarization and small distance separation. Correlation better than -12dB is targeted and achieved in higher bands, while in lower frequency bands antennas would not benefit from MIMO performance. Numerical simulation of the MIMO antenna system is performed using FEKO in order to verify the design parameters. Simulation findings are confirmed by manufacturing antennas and testing in the lab.

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Djordje Preradovic, received his Bachelor of Applied Science degree in Electrical Engineering/Communications Option from University of Windsor, Windsor, Ontario, Canada in 2007. Preradovic went on to complete his Master’s degree in Electrical and Computer Engineering at Oakland University in 2009, focusing on wireless communications. He started his Ph.D. in Electrical and Computer Engineering in 2010 and became a candidate in 2012.
Since 2008, he worked in the wireless filed in the automotive as both hardware and systems engineer. Preradovic worked at Marquardt GmbH, Chrysler Group LLC and is presently working at Continental AG, all in Detroit area. He is currently leading Intelligent Antenna Module and Bluetooth Smart Access product development for the North American Market.

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Daniel N. Aloi, received his B.S. (1992), M.S. (1996) and Ph.D. (1999) degrees in Electrical Engineering from Ohio University, located in Athens, Ohio, USA. He served as a Research Assistant from 1995–1999 in the Avionics Engineering Center within the School of Engineering and Computer Science at Ohio University; Summer Intern at Rockwell International in Cedar Rapids, Iowa, and Senior Project Engineer at OnStar, Incorporated, a subsidiary of General Motors from 2000–2002. He has been employed in the Electrical and Computer Engineering Department at Oakland University in Rochester, Michigan from 2002 until present, currently as Professor and Chair of Electrical and Computer Engineering Department. He is the Founder and Director of the Applied EMAG and Wireless lab at Oakland University. Aloi's research interests reside in area of applied electromagnetics with emphasis on antenna measurements, antenna modeling/analysis and antenna design. He is a member of the Institute of Navigation and is a senior member of the Institute of Electrical and Electronics Engineers (IEEE). He has authored/coauthored over 90 technical papers and is an inventor on 5 patents.

参考

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O. Y. Kwon, R. Song, and B. S. Kim, “A fully integrated shark-fin antenna for MIMO-LTE, GPS, WLAN, and WAVE applications,” IEEE Antennas Wireless Propagation Letters, vol. 17, no. 4, pp. 600-603, Apr. 2018.

A. Michel, P. Nepa, M. Gallo, I. Moro, A. Polo Filisan, and D. Zamberlan, “Printed wideband antenna for LTE band automotive applications,” IEEE Antennas Wireless Propagation Letters, vol. 16, pp. 1245-1248, Nov. 2016.

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已出版

2020-10-01

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[1]
Djordje Preradovic 和 Daniel N. Aloi, 《Cross Polarized 2x2 LTE MIMO System for Automotive Shark Fin Application》, ACES Journal, 卷 35, 期 10, 页 1207–1216, 10月 2020.

期

2020: Vol 35 Iss 10

栏目

General Submission