MIMO system spectral efficiency improvement by means of antennas correlation decrease

V. A. Obukhovets; M. M. Migalin

doi:10.18127/j03209601-201808-05

MIMO system spectral efficiency improvement by means of antennas correlation decrease

V. A. Obukhovets¹, M. M. Migalin²

research article UDC 621.396.677 Pages: 38-45 doi.org/10.18127/j03209601-201808-05

¹ Dr.Sc. (Eng.), Professor, Department of Antennas and Radio Transmitters, Institute for Radiotechnical Systems and Control of Southern Federal University (Taganrog)
² Undergraduate Student, Department of Antennas and Radio Transmitters, Institute for Radiotechnical Systems and Control of Southern Federal University (Taganrog)

Keywords: microstrip antenna array MIMO antenna decoupling electrodynamic modeling radiation pattern

Abstract

Investigation results of mobile communication two-element antenna arrays with different types of decoupling structures have been presented. CAD modeling of the antenna with a decoupling structure has been performed by means of ANSYS HFSS. A number of decoupling structures and their influence on antenna radiation pattern and S-parameters have been investigated. Antennas with the best decoupling structure and without it have been produced, investigated and compared. The evaluation of the spectral efficiency improvement has been presented.

How to cite

Обуховец В.А., Мигалин М.М. Повышение спектральной эффективности систем MIMO за счет снижения взаимной корреляции антенных элементов // Антенны. 2018. № 8. С. 38–45. DOI: https://doi.org/10.18127/j03209601-201808-05

References

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Li J., Zhao J.-B., Liang J.-J., Zhong L.-L., Song J. Metamaterial-based planar compact antenna with low mutual coupling // Microwave Journal. 2018. V. 61. № 5. URL: http://www.microwavejournal.com/articles/30268.

[1] Bakulin M.G., Varukina L.A., Krejndelin V.B. Tekhnologiya MIMO: principy i algoritmy. M.: Goryachaya liniya–Telekom. 2014.

[2] Yang J.Ou., Yang F., Wang Z.M. Reducing mutual coupling of closely spaced microstrip MIMO antennas for WLAN application // IEEE Antennas and Wireless Propagation Letters. 2011. V. 10. P. 310–313.

[3] Vaughan R.G., Andersen J.B. Antenna diversity in mobile communications // Proc. of IEEE Transactions on Vehicular Technology. 1987. V. 36. № 4. P. 147–172.

[4] Inanoglu H. Multiple-input muliple-output system capacity: Antennas and propagation aspects // Antennas and Propagation Magazine. 2013. V. 55. № 1. P. 254–273.

[5] Khansen R.S. Fazirovannye antennye reshetki. Izd. 2-e. M.: Tekhnosfera. 2012.

[6] Habashil A., Nourinia J., Ghobadi C. A rectangular defected ground structure (DGS) for reduction of mutual coupling between closelyspaced microstrip antennas // 20th Iranian Conf. on Electrical Engineering. 2012. Tehran, Iran. P. 1347–1351.

[7] Chiu C.Y., Cheng C.-H., Murch R.D., Rowell C.R. Reduction of mutual coupling between closely-packed antenna elements // IEEE Transactions on Antennas and Propagation. 2007. V. 55. № 6. P.1732–1738.

[8] Yang F., Rahmat-Samii Y. Microstrip antennas integrated with electromagnetic band-gap (EBG) structures: A low mutual coupling design for array applications // IEEE Transactions on Antennas and Propagation. 2003. V. 51. № 10. P. 2936–2946.

[9] Ma N., Zhao H. Reduction of the mutual coupling between aperture coupled microstrip patch antennas using EBG structure // 2014 IEEE International Wireless Symposium. 2014. P. 1–4.

[10] Diallo A., Luxey C., Le Thuc P., Staraj R., Kossiavas G. Enhanced two-antenna structures for universal mobile telecommunications system diversity terminals // IET Microwaves, Antennas & Propagation. 2008. V. 2. № 1. P. 94–101.

[11] Xue C.-D., Zhang X.Y., Cao Y.F., Hou Z., Ding C.F. MIMO antenna using hybrid electric and magnetic coupling for isolation enhancement // IEEE Transactions on Antennas and Propagation. 2017. V. 65. № 10. P. 5162–5170.

[12] Farsi S., Aliakbarian H., Schreurs D., Nauwelaers B., Vandenbosch G.A.E. Mutual coupling reduction between planar antennas by using a simple microstrip U-section // IEEE Antennas and Wireless Propagation Letters. 2012. V. 11. P. 1501–1503.

[13] Sharawi M.S. Current misuses and future prospects for printed multiple-input, multiple-output antenna systems // IEEE Antennas and Propagation Magazine. 2017. V. 59. № 2. P. 162–170.

[14] Blanch S., Romeu R., Corbella I. Exact representation of antenna system diversity performance from input parameters description // Electronics Letters.2003. V. 39. № 9. P. 705–707.

[15] Li J., Zhao J.-B., Liang J.-J., Zhong L.-L., Song J. Metamaterial-based planar compact antenna with low mutual coupling // Microwave Journal. 2018. V. 61. № 5. URL: http://www.microwavejournal.com/articles/30268.

Abstract

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