access icon free Compact four-port MIMO dielectric resonator antenna with pattern diversity

© The Institution of Engineering and Technology
Received 17/09/2018, Accepted 02/07/2019, Revised 30/04/2019, Published 03/07/2019

A new compact four-port multi-input-multi-output (MIMO) dielectric resonator (DR) antenna is proposed with pattern diversity. The antenna contains four DR elements, the epsilon-shaped and cylindrical. These four DR elements are placed together such that they resonate at the same frequency. The specific geometry of the DR elements allows to place them at separation which is much smaller than operating wavelength. Hence, the combination of the four DR elements acts as a single DR. This helps in maintaining the compactness of the antenna structure. The antenna operates with the hybrid of modes and excited in epsilon-shaped and cylindrical DR elements, respectively. The excitation of these orthogonal modes helps in obtaining the pattern diversity allowing the antenna for multi-directional coverage. The antenna provides 15.73% overlapping 10 dB impedance bandwidth with the variation of gain within ranges 4–6 and 6–6.5 dBi at port 1/2 and port 3/4, respectively. In addition, the antenna provides the high radiation efficiency >93% at port 1/2 and 97% at port 3/4. Other parameters required for MIMO applications such as envelope correlation coefficient and diversity gain are within the acceptable limits.

Inspec keywords: dielectric resonator antennas; MIMO communication; antenna radiation patterns; broadband antennas

Other keywords: orthogonal modes; diversity gain; single DR element; dielectric resonator antenna; envelope correlation coefficient; epsilon-shaped DR elements; antenna structure; pattern diversity; compact four-port multiinput-multioutput antenna; compact four-port MIMO antenna; cylindrical DR elements; multidirectional coverage

Subjects: Antenna arrays

References

    1. 1)
      • 2. Jensen, M.A., Wallace, J.W.: ‘A review of antennas and propagation for MIMO wireless communications’, IEEE Trans. Antennas Propagat., 2004, 52, (11), pp. 2810–2824.
    2. 2)
      • 15. Varshney, G., Pandey, V.S., Yaduvanshi, R.S.: ‘Dual-band fan-blade-shaped circularly polarised dielectric resonator antenna’, IET Microwaves Antennas Propag., 2017, 11, (13), pp. 1868–1871.
    3. 3)
      • 23. Long, S.A.: ‘A combination of linear and slot antennas for quasi isotopic coverage’, IEEE Trans. Antennas Propag., 1975, 6, pp. 572–576.
    4. 4)
      • 27. Blanch, S., Romeu, J., Corbella, I.: ‘Exact representation of antenna system diversity performance from input parameter description’, Electron. Lett., 2003, 39, (9), p. 705.
    5. 5)
      • 18. Khan, A.A., Khan, R., Aqeel, S., et al: ‘Dual-band MIMO rectangular dielectric resonator antenna with high port isolation for LTE applications’, Microw. Opt. Technol. Lett., 2016, 59, (1), pp. 44–49.
    6. 6)
      • 1. Mongia, R.K., Bhartia, P.: ‘Dielectric resonator antennas – a review and general design relations for resonant frequency and bandwidth’, Int. J. Microw. Millimeter-Wave Comput. Eng., 1994, 4, (3), pp. 230–247.
    7. 7)
      • 28. Soltani, S., Lotfi, P., Murch, R.D.: ‘A dual-band multiport MIMO slot antenna for WLAN applications’, IEEE Antennas Wirel. Propag. Lett., 2017, 16, pp. 529–532.
    8. 8)
      • 9. Yan, J.B., Bernhard, J.T.: ‘Implementation of a frequency-agile MIMO dielectric resonator antenna’, IEEE Trans. Antennas Propag., 2013, 61, (7), pp. 3434–3441.
    9. 9)
      • 10. Kuo, F.Y., Hwang, R.B.: ‘High-isolation X-band marine radar antenna design’, IEEE Trans. Antennas Propag., 2014, 62, (5), pp. 2331–2337.
    10. 10)
      • 20. Abdalrazik, A., El-hameed, A.S.A., Abdel-rahman, A.B.: ‘A three-port MIMO dielectric resonator antenna using decoupled modes’, IEEE Antenna Propag. Lett., 2017, 16, pp. 3104–3107.
    11. 11)
      • 24. Pan, Y.M., Leung, K.W., Lu, K.: ‘Compact quasi-isotropic dielectric resonator antenna with small ground plane’, IEEE Trans. Antennas Propag., 2014, 62, (2), pp. 577–585.
    12. 12)
      • 22. Glazunov, A.A., Molisch, A.F., Tufvesson1, F.: ‘Mean effective gain of antennas in a wireless channel’, IET Microwaves Antennas Propag., 2009, 3, (2), pp. 214–227.
    13. 13)
      • 14. Sharma, A., Biswas, A.: ‘Wideband multiple-input–multiple-output dielectric resonator antenna’, IET Microwaves Antennas Propag., 2017, 11, (4), pp. 496–502.
    14. 14)
      • 12. Roslan, S.F., Kamarudin, M.R., Khalily, M., et al: ‘An MIMO rectangular dielectric resonator antenna for 4G applications’, IEEE Antennas Wirel. Propag. Lett., 2014, 13, pp. 321–324.
    15. 15)
      • 17. Gotra, S., Varshney, G., Pandey, V., et al: ‘Dual-band circular polarisation generation technique with the miniaturisation of a rectangular dielectric resonator antenna’, IET Microwaves Antennas Propag., 2019, pp. 1–7, doi: 10.1049/iet-map.2019.0030.
    16. 16)
      • 11. Sharawi, M.S.: ‘Current misuses and future prospects for printed multiple-input, multiple-output antenna systems’, IEEE Antenna Propag. Mag., 2017, 59, (2), pp. 162–170.
    17. 17)
      • 5. Huitema, L., Koubeissi, M., Mouhamadou, M., et al: ‘Compact and multiband dielectric resonator antenna with pattern diversity for multistandard mobile handheld devices’, IEEE Trans. Antennas Propag., 2011, 59, (11), pp. 4201–4208.
    18. 18)
      • 13. Sharawi, M.S., Podilchak, S.K., Khan, M.U., et al: ‘Dual-frequency DRA-based MIMO antenna system for wireless access points’, IET Microwaves Antennas Propag., 2017, 11, (8), pp. 1174–1182.
    19. 19)
      • 21. Zou, L., Fumeaux, C.: ‘A cross-shaped dielectric resonator antenna for multifunction and polarization diversity applications’, IEEE Antennas Wirel. Propag. Lett., 2011, 10, pp. 742–745.
    20. 20)
      • 8. Thamae, L.Z., Wu, Z.: ‘Dielectric resonator-based multiple-input multipleoutput antennas and channel characteristic analysis’, IET Microwaves Antennas Propag., 2012, 6, (9), pp. 1084–1089.
    21. 21)
      • 19. Zou, L., Member, S., Abbott, D., et al: ‘Omnidirectional cylindrical dielectric resonator antenna with dual polarization’, IEEE Antennas Wirel. Propag. Lett., 2012, 11, pp. 515–518.
    22. 22)
      • 16. Varshney, G., Pandey, V.S., Yaduvanshi, R.S., et al: ‘Wide band circularly polarized dielectric resonator antenna with stair-shaped slot excitation’, IEEE Trans. Antennas Propag., 2017, 65, (3), p. 1380–1383.
    23. 23)
      • 26. Kajfez, D., Glisson, A.W., James, J.: ‘Computed modal field distributions for isolated dielectric resonators’, IEEE Trans. Microw. Theory Tech., 1984, 32, (12), pp. 1609–1616.
    24. 24)
      • 6. Yan, J.B., Bernhard, J.T.: ‘Design of a MIMO dielectric resonator antenna for LTE femtocell base stations’, IEEE Trans. Antennas Propag., 2012, 60, (2), pp. 438–444.
    25. 25)
      • 4. Tian, R., Plicanic, V., Lau, B.K., et al: ‘A compact six-port dielectric resonator antenna array: MIMO channel measurements and performance analysis’, IEEE Trans. Antennas Propag., 2010, 58, (4), pp. 1369–1379.
    26. 26)
      • 7. Zhou, X., Quan, X., Li, R.: ‘A dual-broadband MIMO antenna system for GSM/UMTS/LTE and WLAN handsets’, IEEE Antennas Propag. Lett., 2012, 11, pp. 551–554.
    27. 27)
      • 25. Varshney, G., Gotra, S., Pandey, V.S., et al: ‘Inverted-sigmoid shaped multiband dielectric resonator antenna with dual-band circular polarization’, IEEE Trans. Antennas Propag., 2018, 66, (4), pp. 2067–2072.
    28. 28)
      • 3. Ishimiya, K., Långbacka, J., Ying, Z., et al: ‘A compact MIMO DRA antenna’. Conf. Proc. 2008 IEEE Int. Work. Antenna Technol. Small Antennas Nov. Metamaterials, IWAT 2008, Chiba, Japan, March, 2008, pp. 286–289.
http://iet.metastore.ingenta.com/content/journals/10.1049/iet-map.2018.5799
Loading

Related content

content/journals/10.1049/iet-map.2018.5799
pub_keyword,iet_inspecKeyword,pub_concept
6
6
Loading