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PIER PIER B PIER C PIER M PIER Letters
2014-03-05
MIMO Reference Antennas with Controllable Correlations and Total Efficiencies
By
Shuai Zhang,

    Dr. Shuai Zhang

    Department of Electromagnetic Engineering

    Royal Institute of Technology

    Sweden

    Homepage

Kun Zhao,

    Dr. Kun Zhao

    Zhejiang University

    China

    Homepage

Bangguo Zhu,

    Dr. Bangguo Zhu

    Research and Technology, Corporate Technology Office

    Sony Mobile Communications AB

    Sweden

    Homepage

Zhinong Ying,

    Dr. Zhinong Ying

    Sony Ericsson Mobile Communications AB

    Sweden

    Homepage

Sailing He

    Prof. Sailing He

    Department of Electromagnetic Theory

    Royal Institute of Technology

    Sweden

    Homepage

Progress In Electromagnetics Research, Vol. 145, 115-121, 2014
doi:10.2528/PIER14010507
Abstract
MIMO reference antennas are proposed for over the air (OTA) measurement applications. The reference antennas could get rid of feeding cable interference and control envelope correlation coefficients (ECC) continuously by only changing the length of an etched slot on a dual-feed PIFA. If only the ECC is investigated, the MIMO reference antenna is optimized to have a small variation of total efficiency from 70% to 50% when the ECC increases from 0.1 to 0.88. The prototypes are fabricated and measured in a scattered field chamber (SFC). Measurements agree well with the simulations. A practical example of applying this kind of reference antenna is provided. If the MIMO performance is studied, the MIMO reference antenna is proposed to own a large variation of total efficiencies from 90% to 47% while the ECC increases from 0 to 0.98. The bandwidth of the proposed reference antennas depend on the size of the antennas. This method is valid for all the frequencies.
Citation
Shuai Zhang, Kun Zhao, Bangguo Zhu, Zhinong Ying, and Sailing He, "MIMO Reference Antennas with Controllable Correlations and Total Efficiencies," Progress In Electromagnetics Research, Vol. 145, 115-121, 2014.
doi:10.2528/PIER14010507
References

1. Foschini, G., "Layered space-time architecture for wireless communication in a fading environment when using multi-element antennas," Bell. Labs. Tech. J., Vol. 1, No. 2, 41-59, 1996.
doi:10.1002/bltj.2015

2. Wallace, J., M. Jensen, A. Swindlehurst, and B. Jeffs, "Experimental characterization of the MIMO wireless channel: Data acquisition and analysis," IEEE Trans. Wireless Commun., Vol. 2, No. 2, 335-343, Mar. 2003.
doi:10.1109/TWC.2003.808975

3. Chen, X., "Throughput multiplexing e±ciency of MIMO antennas," IEEE Antennas Wireless Propag. Lett., Vol. 12, 1208-1211, 2013.
doi:10.1109/LAWP.2013.2282952

4. Tian, R., B. K. Lau, and Z. Ying, "Multiplexing efficiency of MIMO antennas," IEEE Antennas Wireless Propag. Lett., Vol. 10, 183-186, 2011.
doi:10.1109/LAWP.2011.2125773

5. Foegelle, M. D., "MIMO device performance measurements in a wireless environment simulator," IEEE Electromagnetic Compatibility Magazine, Vol. 1, No. 4, 123-130, 2012.
doi:10.1109/MEMC.2012.6397087

6. Szini, I., G. F. Pedersen, A. Scannavini, L. J. Foged, and J. Estrada, "Design and verification of MIMO 2 X 2 reference antennas," IEEE International Symposium on Antennas and Propagation APS, Chicago, USA, Jul. 2012.

7. Szini, I., G. F. Pedersen, A. Scannavini, and L. J. Foged, "MIMO 2 X 2 reference antenna concept," The European Conference on Antennas and Propagation (EuCAP) 2012, 1540-1543, Prague, Czech Republic, Mar. 2012.

8. Zhang, S., Z. Ying, and S. He, "Diagonal chassis mode for mobile handset LTE MIMO antennas and its application to correlation reduction," IEEE International Workshop on Electromagnetics; Applications and Student Innovation (iWEM), 1-2, Chengdu, Sichuan, Aug. 6-9, 2012.

9. Zhang, S., K. Zhao, Z. Ying, and S. He, "Diagonal antenna-chassis mode for wideband LTE MIMO antenna arrays in mobile handsets," International Workshop on Antenna Technology (iWAT), 407-410, Mar. 4-6, 2013.

10. Zhang, S., K. Zhao, B. Zhu, Z. Ying, and S. He, "MIMO reference antennas for OTA applications," Antennas and Propagation (EuCAP) 2013, 2556-2557, Sweden, Apr. 8-12, 2013.

11. Vaugham, R. G. and J. B. Andersen, "Antenna divsersity in mobile communications," IEEE Trans. Veh. Technol., Vol. 36, No. 4, 149-172, Nov. 1987.
doi:10.1109/T-VT.1987.24115

12. Zhang, S., J. Xiong, and S. He, "MIMO antenna system of two closely-positioned PIFAs with high isolation," Electon. Lett., Vol. 45, No. 15, 771-773, 2009.
doi:10.1049/el.2009.1349

13. Zhang, S., B. K. Lau, A. Sunesson, and S. He, "Closely-packed UWB MIMO/diversity antenna with different patterns and polarizations for USB dongle applications," IEEE Trans. Antennas Propag., Vol. 60, No. 9, 4372-4380, Sep. 2012.
doi:10.1109/TAP.2012.2207049

14. Hallbjorner, P. and K. Madsen, "Terminal antenna diversity characterisation using mode stirred chamber," Electon. Lett., Vol. 37, No. 5, 273-274, 2001.
doi:10.1049/el:20010199

15. CST Microwave Studio 2013 by Computer Simulation Technology, 2013, , Available: http://www.cst.com.

16. Zhang, S., A. A. Glazunov, Z. Ying, and S. He, "Reduction of the envelope correlation coefficient with improved total efficiency for mobile LTE MIMO antenna arrays: Mutual scattering mode," IEEE Trans. Antennas Propag., Vol. 61, No. 06, 3280-3291, Jun. 2013.
doi:10.1109/TAP.2013.2248071

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