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Design of a compact MIMO antenna system with reduced mutual coupling

Published online by Cambridge University Press:  02 October 2014

Mohammed Younus Talha ,
Kamili Jagadeesh Babu  and
Rabah W. Aldhaheri
Mohammed Younus Talha
Affiliation:
Department of Electrical and Computer Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia
Kamili Jagadeesh Babu*
Affiliation:
Department of ECE, St. Ann's College of Engineering and Technology, Chirala, AP, India
Rabah W. Aldhaheri
Affiliation:
Department of Electrical and Computer Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia
*
Corresponding author: K.J. Babu Email: [email protected]
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Abstract

A novel compact multiple-input–multiple-output (MIMO) antenna system operating from 5 to 7.3 GHz is proposed for wireless applications. It comprises of two similar antennas with microstrip feeding and radiating patches developed on a reduced ground plane. The developed antenna system resonates at a dual-band of 5.4 and 6.8 GHz frequencies, giving an impedance bandwidth of 38% (based on S11 < −10 dB). The unique structure of the proposed MIMO system gives a reduced mutual coupling of −27 dB at 5.4 GHz resonant frequency and −19 dB at 6.8 GHz resonant frequency and in the entire operating band the coupling is maintained well below −16 dB. The envelope correlation coefficient of the proposed MIMO system is calculated and is found to be less than 0.05 in the operating band. The measured and simulation results are found in good agreement.

Keywords

MIMO systemsImpedance bandwidthMutual couplingEnvelope correlation coefficient
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 8 , Issue 1 , February 2016 , pp. 117 - 124
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2014 

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References

REFERENCES

[1]Bao, X.L.; Ammann, M.J.: Small patch/ slot antenna with 53% input impedance bandwidth. Electron. Lett., 43 (3) (2007), 146–147.Google Scholar
[2]Azim, R.; Islam, M.T.; Misran, N.; Cheung, S.W.; Yamada, Y.: Planar UWB antenna with multi slotted ground plane. Microw. Opt. Technol. Lett., 53 (5) (2011), 966–968.CrossRefGoogle Scholar
[3]Foschini, G.J.; Gans, M.J.: On limits of wireless communications in a fading environment when using multiple antennas. Wirel. Pers. Commun., 6 (3) (1998), 311–335.CrossRefGoogle Scholar
[4]Nikolic, M.M.; Djordevic, A.R.; Nehorai, A.: Microstrip antennas with suppressed radiation in horizontal directions and reduced coupling. IEEE Trans. Antennas Propag., 53 (11) (2005), 3469–3476.Google Scholar
[5]Abouda, A.A.; Haggman, S.G.: Effect of mutual coupling capacity of MIMO wireless channels in high SNR scenario. Prog. Electromagn. Res., 65 (2006), 27–40.Google Scholar
[6]Chou, H.-T.; Cheng, H.-C.; Hsu, H.-T.; Kuo, L.-R.: Investigations of isolation improvement techniques for multiple input multiple output (MIMO) WLAN portable terminal applications. Prog. Electromagn. Res., 85 (2008), 349–366.Google Scholar
[7]Caminita, F.et al.: Reduction of patch antenna coupling by using a compact EBG formed by shorted strips with interlocked branch-stubs. IEEE Antennas Wirel. Propag. Lett., 8 (2009), 811–814.Google Scholar
[8]Constantine, G.K.; Constantinou, P.: Compact printed arrays with embedded coupling mitigation for energy efficient wireless sensor networking. Int. J. Antennas Propag., Hindawi, 2010 (2010), 1–18.Google Scholar
[9]Ahmed-Ibrahim, A.; Mahmoud-Abdalla, A.; Adel Abdel-Rahman, B.; Hesham, F.A.H.: Compact MIMO antenna with optimized mutual coupling reduction using DGS. Int. J. Microw. Wirel. Technol., 6 (2) (2014), 173–180.Google Scholar
[10]Dossche, S.; Blanch, S.; Romeu, J.: Optimum antenna matching to minimize signal correlation on a two-port antenna diversity system. Electron. Lett., 40 (19) (2004), 1164–1165.Google Scholar
[11]Addaci, R.et al.: Dual-band WLAN multi-antenna system and diversity/MIMO performance evaluation. IEEE Trans. Antennas Propag., 62 (3) (2014), 1409–1415.CrossRefGoogle Scholar
[12]Yikai, C.; Shiwen, Y.; Zaiping, N.: Bandwidth enhancement method for low profile E-shaped microstrip patch antennas. IEEE Trans. Antennas Propag., 58 (7) (2010), 2442–2447.Google Scholar
[13]Mak, A.C.K.; Rowell, C.R.; Murch, R.D.: Isolation enhancement between two closely packed antennas. IEEE Trans. Antennas Propag., 56 (11) (2008), 3411–3419.Google Scholar
[14]Rajo-Iglesias, E.; Quevedo-Teruel, Ó.; Inclán-Sánchez, L.: Mutual coupling reduction in patch antenna arrays by using a planar EBG structure and a multilayer dielectric substrate. IEEE Trans. Antennas Propag., 56 (6) (2008), 1648–1655.Google Scholar
[15]Zhengyi, L.; Zhengwei, D.; Takahashi, M.; Kazuyuki, S.; Koichi, I.: Reducing mutual coupling of MIMO antennas with parasitic elements for mobile terminals. IEEE Trans. Antennas Propag., 60 (2) (2012), 473–481.Google Scholar
[16]Deukhyeon, G.; Youngki, L.; Taeho, S.; Jaehoon, C.: A MIMO antenna with improved isolation using RFC for LTE mobile application, in IEEE (APS) Int. Symp. (APSURSI), 2012, 1–2.Google Scholar
[17]Blanch, S.; Romeu, J.; Corbella, I.: Exact representation of antenna system diversity Performance from input parameter description. Electron. Lett., 39 (9) (2003), 705–707.Google Scholar
[18]Weiye, L.; Wenbin, L.; Guangli, Y.: A compact MIMO antenna system design with low correlation from 1710 MHz to 2690 MHz. Prog. Electromagn. Res., 144 (2014), 59–65.Google Scholar
[19]Mohammad-Sharawi, S.; Ahmed-Numan, B.; Daniel-Aloi, N.: Isolation improvement in a dual-band dual-element MIMO antenna system using capacitively loaded loops. Prog. Electromagn. Res., 134 (2013), 247–266.Google Scholar
[20]Addaci, R.; Diallo, A.; Luxey, C.; Le Thuc, P.; Staraj, R.: Dual-band WLAN diversity antenna system with high port-to-port isolation. IEEE Antennas Wirel. Propag. Lett., 11 (2012), 244–247.CrossRefGoogle Scholar