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A centre slotted parasitic patch antenna for bandwidth enhancement on a low cost a polymer resin material substrate



  1. Centre of Advanced Electronic and Communication Engineering, Universiti Kebangsaan, Malaysia


In this paper, a rotated square slot with parasitic centre slot printed antenna is proposed for bandwidth enhancement on low-cost polymer resin material substrate. The antenna is constructed with an I shaped microstrip feed line for exciting the radiating element and the rotating square slot with centre slotted parasitic element is implanted in the centre position of the ground plane to enhance the bandwidth. Two diagonal slots are also introduced for widened the bandwidth. The proposed antenna shows -10dB impedance bandwidth of 92.68% from a frequency of 2.20 to 6.0a 0 GHz with the compact size of 0.26 λ ×0.26 λ ×0.01 λ, at lower end frequency. The average gain is about 3.65 dBi w ith a stable omnidirectional radiation pattern in the entire operating band. Several parametric studies have been performed to analyse the physical properties of the proposed antenna. In this design, a smaller ground plane is considered compared to the reference antenna. The antenna Q-factor is analysed to verify the optimum design. The proposed antenna fulfils the requirements of the WLAN, WiMAX, ISM bands for RFID and other wideband wireless applications..


Centre square slot, Bandwidth enhancement, Microstrip-line-fed antennas, Parasitic, Q factor, Wideband.

Submitted at: April 2, 2018
Accepted at: Oct. 10, 2018


M. SAMSUZZAMAN, S. YAHAHIA, M. TARIKUL ISLAM, M. N. RAHMAN, M. T. ISLAM, A centre slotted parasitic patch antenna for bandwidth enhancement on a low cost a polymer resin material substrate, Journal of Optoelectronics and Advanced Materials Vol. 20, Iss. 9-10, pp. 493-501 (2018)