Microstrip Patch Antenna Design for Wi-Fi Application

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 Microstrip Patch Antenna for Wi-Fi Application


A microstrip patch antenna with Edge feeding techniques has been proposed for Wireless Fidelity (Wi-Fi) band. The proposed work consists of an MPA printed on a Duroid wafer of 1.575mm thickness and a dielectric loss tangent of 0.0009. A comparative study for different contact feeding techniques such as microstrip line, coaxial line, and inset feed is analyzed and simulated using the Ansoft HFSS tool. The comparison results show that inset feed and probe feed exhibits a better gain of 6.2 dB compared with edge feed with a gain of 5.7 dB and the directivity achieves maximum for inset feed with a value of 6.38. Microstrip Patch Antenna Design for Wi-Fi Application


Nowadays the effective usage of the spectrum has increased the rapid growth in the field of mobile and wireless systems. Compared with other antenna types, the micro-strip patch antenna (MPA) finds its applications in satellite communication, wireless communication, Space Communication, Industrial, Scientific, and Medical (ISM) band, Wireless LAN, Wi-Fi, Access (WiMAX), intelligent transportation system (ITS), biomedical applications, Ultrawideband, RFID, CubeSat, Wireless Applications, wideband. A patch antenna is an antenna type that has the following features such as low manufacturing cost, support for linear and circular polarization, the capability of multiple frequency bands of operation, low profile planar configuration on both conformal and non-conformal surfaces. MPA has been considered as one of the most suitable antennae for realizing the key components such as mobile phones, biomedical instrumentation, satellite communication, aero, and space communication system. Unfortunately, the conventional MPA suffers from narrow impedance bandwidth due to its inherent property of a high-quality factor (Q) in a thin substrate. A number of research groups have proposed effective techniques to improve the impedance matching of MPA in the last two decades to address this primary issue. As a run of mile approach, the most direct method for the parasite patch element in close proximity to its emanating patch has been proposed. The parasitic element is vertically positioned above the emanating core element with a shorting post in order to show there is more than a 10% increase in bandwidth. To increase the transmission capacity in the higher operating range to 10.5 % the upper parasitic patch can be connected electromagnetically to the lower emanated patch.


  • For improving the impedance bandwidth, L and M-shaped probes cab be employed in the patch resonators.
  • A probe feeder in combination with U shaped slot can act as a series resonator.


  • increasing the antenna height will degrade the intrinsic low possible characteristics of planar
  • Not capable of working in mm-wave applications.
  • Less reception due to high return loss.


In this paper, the microstrip line feeding method, a conductive strip is directly coupled to the microstrip patch edge. The conducting strip width is much small compared with the patch width and this type of arrangement has an advantage in matching the impedance easily. The input impedance (Zin) is the characteristic impedance (Z0) which is the ratio of the quarter wave-line and antenna impedance have been studied using the ANSYS HFSS tool and verified for the best one that enhances the bandwidth, directivity, and gain.


    • Much compact in nature.  
    • simple configuration, low profile, compact size, wide AR bandwidth,
  •  lightweight and small size.


  • Satellite communication, wireless communication, Space Communication, Industrial, Scientific, and Medical (ISM) band, Wireless LAN, Wi-Fi, Access (WiMAX), intelligent transportation system (ITS), biomedical applications, Ultrawideband, RFID, CubeSat, Wireless Applications, wideband.


Sloted MIMO Antenna
Microstrip Patch Antenna Design for Wi-Fi Application


  • ANSYS HFSS v14


[1]. Upadhyay, G., Kishore, N., Raj, S., Tripathi, S., and Tripathi, V.S., 2018. Dual-feed CSRR-loaded switchable multiband microstrip patch antenna for ITS applications. IET Microwaves, Antennas & Propagation, 12(14), pp.2135-2140. 

[2]. Goodbody, C., Karacolak, T. and Tran, N., 2018. Dual polarised patch antenna for in-band full-duplex applications. Electronics Letters, 54(22), pp.1255-1256. 

[3]. Khan, Z., Razzaq, A., Iqbal, J., Qamar, A. and Zubair, M., 2018. Double circular ring compact antenna for ultrawideband applications. IET Microwaves, Antennas & Propagation, 12(13), pp.2094-2097. 

[4].Encinar, J.A., Datashvili, L.S., Zornoza, J.A., Arrebola, M., Sierra-Castañer, M., Besada-Sanmartin, J.L., Baier, H. and Legay, H., 2006. Dual-polarization dual-coverage reflectarray for space applications. IEEE Transactions on Antennas and Propagation, 54(10), pp.2827-2837. 

[5]. Yang, F. and Rahmat-Samii, Y., 2005. Patch antennas with switchable slots (PASS) in wireless communications: Concepts, designs, and applications. IEEE Antennas and propagation Magazine, 47(2), pp.13-29. 

[6]. Lin, Q.W., Wong, H., Zhang, X.Y., and Lai, H.W., 2014. Printed meandering probe-fed circularly polarized patch antenna with wide bandwidth. IEEE Antennas and Wireless propagation letters, 13, pp.654-657. 

[7]. Xiao, S., Wang, B.Z., Shao, W. and Zhang, Y., 2005. Bandwidth-enhancing ultralow-profile compact patch antenna. IEEE transactions on antennas and propagation, 53(11), pp.3443-3447.

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