Design of an MIMO Dielectric Resonator Antenna for 4G Applications

Abstract A two-port MIMO Dielectric Resonator Antenna (DRA) has been proposed and studied. The antenna consists of a single Rectangular DRA (RDRA) element housed in a thin FR4 substrate, that is fed by two microstrip feed lines. Both the feeding lines excite $${\text{TE}}_{\updelta 11}^{\text{X}}$$TEδ11X mode in the RDRA. The mutual coupling between the ports has been decreased by employing two symmetrical slits in the ground plane. The proposed antenna has been fabricated and a parametric study has been carried out to obtain the optimum parameters. The presented antenna with acceptable MIMO characteristics, covers a measured bandwidth of 80 MHz (2.56–2.64 GHz) for |S11| < −10 dB, which is able to operate on LTE band 38. The measured isolation between the two ports for the desired frequency band is better than 20 dB. The presented antenna has been examined by calculating and measuring the Envelope Correlation Coefficient, Mean Effective Gains and the Diversity Gain. Based on the study that has been carried out, the antenna offers easy fabrication, feeding and good MIMO characteristics. Therefore, the presented antenna can be a suitable candidate for LTE applications.

[1]  Ross D. Murch,et al.  Compact integrated diversity antenna for wireless communications , 2001 .

[2]  Byungje Lee,et al.  New Configuration of Handset MIMO Antenna for LTE 700 Band Applications , 2013 .

[3]  G.F. Tsachtsiris,et al.  Integrating Compact Printed Antennas Onto Small Diversity/MIMO Terminals , 2008, IEEE Transactions on Antennas and Propagation.

[4]  Korkut Yegin,et al.  Diversity Antenna Design for Wireless Alarm Networks , 2014, Wirel. Pers. Commun..

[5]  R.G. Vaughan,et al.  Antenna diversity in mobile communications , 1987, IEEE Transactions on Vehicular Technology.

[6]  Karaboikis,et al.  Compact dual-printed inverted-F antenna diversity systems for portable wireless devices , 2004, IEEE Antennas and Wireless Propagation Letters.

[7]  Mohammad S. Sharawi,et al.  Printed MIMO Antenna Engineering , 2014 .

[8]  Muhammad Ramlee Kamarudin,et al.  A reduced size dual port MIMO DRA with high isolation for 4G applications , 2015 .

[9]  Antti Toskala,et al.  High-Speed Packet Access Evolution in 3GPP Release 7 [Topics in Radio Communications] , 2007, IEEE Communications Magazine.

[10]  Kai Fong Lee,et al.  Performance comparisons between dielectric resonator antennas and printed microstrip patch antennas at X-band , 2006 .

[11]  William C. Y. Lee,et al.  Mobile Communications Engineering , 1982 .

[12]  Zhinong Ying,et al.  A compact MIMO DRA for 802.11n application , 2008, 2008 IEEE Antennas and Propagation Society International Symposium.

[13]  Jie-Bang Yan,et al.  Design of a MIMO Dielectric Resonator Antenna for LTE Femtocell Base Stations , 2012, IEEE Transactions on Antennas and Propagation.

[14]  M. R. Kamarudin,et al.  An MIMO Rectangular Dielectric Resonator Antenna for 4G Applications , 2014, IEEE Antennas and Wireless Propagation Letters.

[15]  Ahmed A. Kishk,et al.  Bandwidth Enhancement and Radiation Characteristics Improvement of Rectangular Dielectric Resonator Antenna , 2011, IEEE Antennas and Wireless Propagation Letters.

[16]  Zhinong Ying,et al.  A Compact MIMO DRA Antenna , 2008, 2008 International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials.

[17]  D. Abbott,et al.  Omnidirectional Cylindrical Dielectric Resonator Antenna With Dual Polarization , 2012, IEEE Antennas and Wireless Propagation Letters.

[18]  Mastaneh Mokayef,et al.  Omnidirectional Circularly Polarized Dielectric Resonator Antenna for 5.2-GHz WLAN Applications , 2014, IEEE Antennas and Wireless Propagation Letters.