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Low Profile Multiband H Shaped Monopole Antenna with Defected Ground Structure for WiMAX and WLAN Applications

Viresh Kumar *, Shri Om Mishra **, Chandan***, Parimal Tiwari ****

*-**** Department of Electronics and Communication, Institute of Engineering & Technology, Dr. Rammanohar Lohia Avadh University, Ayodhya, India.

Periodicity:January - June'2021
DOI : https://doi.org/10.26634/jcs.10.1.18415

Abstract

A low profile H slit monopole antenna with defected ground plane for WiMAX/WLAN applications has been presented in this paper. A single slit is cut initially followed by the anticlockwise rotated T slit, and finally a H-shaped slit cut in the patch provides the multiband resonance with enhanced impedance bandwidth. After the implementation of Defected Ground Structure in this low profile antenna, gain and radiation pattern is much better. The size of low profile antenna is 26× 32 × 0.8 mm³. The frequency range covered is (2.6-3.0 GHz)/2.8GHz, (3.6-4.7 GHz)/3.7 GHz and (5.4-5.9 GHz)/5.6GHz for WiMAX/WLAN applications. The impedance bandwidth of 14.28%, 29.72% and 8.92% have been achieved.

Keywords

Multiband, H-shaped, Monopole Antenna, Defected Ground Structure (DGS).

How to Cite this Article?

Kumar, V., Mishra, S. O., Chandan, and Tiwari, P. (2021). Low Profile Multiband H Shaped Monopole Antenna with Defected Ground Structure for WiMAX and WLAN Applications. i-manager's Journal on Communication Engineering and Systems, 10(1), 8-14. https://doi.org/10.26634/jcs.10.1.18415

References

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[2]. Chandan, T. S., & Rai, B. S. (2016b). Multiband monopole U-slot patch antenna with truncated ground plane. Microwave and Optical Technology Letters, 58(8), 1949-1952.

[3]. Chandan. (2020). Truncated ground plane multiband monopole antenna for WLAN and WiMAX applications. IETE Journal of Research, 1-6. https://doi.org/10.1080/0377206 3.2019.1709568

[4]. Chen, H., Yang, X., Yin, Y. Z., Wu, J. J., & Cai, Y. M. (2013). Tri-band rectangle-loaded monopole antenna with inverted-L slot for WLAN/WiMAX applications. Electronics Letters, 49(20), 1261-1262.

[5]. Pushkar, P., & Gupta, V. R. (2016). A metamaterial based tri‐band antenna for W i MAX/WLAN application. Microwave and Optical Technology Letters, 58(3), 558- 561. https://doi.org/10.1002/mop.29616

[6]. Ratnesh, R. K., & Kumar, A. (2021). A Compact Dual Rectangular Slot Monopole Antenna for WLAN/WiMAX Applications. In Innovations in Cyber Physical Systems (Vol. 788, pp. 699-705). Springer, Singapore. https://doi.org/10. 1007/978-981-16-4149-7_63

[7]. Srivastava, T., & Rai, B. S. (2017). L-Slotted Microstrip Fed Monopole Antenna for Triple Band WLAN and WiMAX Applications. In Proceedings of the 5th International Conference on Frontiers in Intelligent Computing: Theory and Applications (pp. 351-359). Springer, Singapore. https://doi.org/10.1007/978-981-10-3156-4_36

[8]. Verma, S., & Kumar, P. (2014). Compact triple-band antenna for WiMAX and WLAN applications. Electronics Letters, 50(7), 484-486. https://doi.org/10.1049/el.2013.4313

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