A compact slot antenna for ultra-wideband applications

S. Baudha*, M. V. Yadav, Y. Bansal

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

A Compact slot antenna for Ultra-Wideband applications is designed and investigated. The overall volume of the structure has a compact size of 14*18*1.6 mm3 and is etched out on low-cost (FR4) flame retardant substrate with εr = 4.4 and 0.025 dielectric loss. Return loss (magnitude of S11< -10 dB) of the structure is 3.112-10.75 GHz with the fractional bandwidth of 110%. The simulated result shows that for the proposed structure the maximum gain is 2.2 decibels with maximum radiation efficiency equal to 69%. The presented compact antenna with good radiation pattern satisfies the monopole characteristics. Measured and simulated Co-pol. and Cross(X)-pol. are in relatively good agreement at the selected operating frequencies. Lower and higher modes are achieved by making a modified patch and perfect matching is achieved by cutting rectangular slots in a partial ground plane. All these properties show that the proposed structure finds its application in 3.5-5.5 GHz (WiMAX), 5.2-5.8 GHz (WLAN) along with various applications in the wireless communication field.

Original languageEnglish
Pages (from-to)213-222
Number of pages10
JournalTelecommunications and Radio Engineering (English translation of Elektrosvyaz and Radiotekhnika)
Volume79
Issue number3
DOIs
Publication statusPublished - 2020

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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