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A modified square patch antenna with improved bandwidth performance for WiFi applications

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

A modified square patch antenna, for WiFi applications, operating at 5.5 GHz, is proposed in this article. A complementary square open loop resonator, having the resonance frequency at the upper 3 dB frequency of the patch resonance, is introduced on the patch to enhance the bandwidth more than twice that of the conventional square patch antenna operating at the same frequency. The concept of introducing a resonant slot at 3 dB frequency helps to eliminate the cross-polarized component seen in most of the classical designs due to the presence of resonance slots. Simulation results show that 2:1 VSWR bandwidth of the antenna is 7% whereas the conventional square patch antenna offers only 3% bandwidth. The proposed antenna has a compact size of 1.9 cm × 2 cm. It offers a uniform gain of 4.25 dB and a directivity of 6.1 dB at the frequency of operation.

Original languageBritish English
Title of host publication2016 5th International Conference on Electronic Devices, Systems and Applications, ICEDSA 2016
PublisherIEEE Computer Society
ISBN (Electronic)9781509053063
DOIs
StatePublished - 13 Jan 2017
Event5th International Conference on Electronic Devices, Systems and Applications, ICEDSA 2016 - Ras Al Khaimah, United Arab Emirates
Duration: 6 Dec 20168 Dec 2016

Publication series

NameInternational Conference on Electronic Devices, Systems, and Applications
ISSN (Print)2159-2047
ISSN (Electronic)2159-2055

Conference

Conference5th International Conference on Electronic Devices, Systems and Applications, ICEDSA 2016
Country/TerritoryUnited Arab Emirates
CityRas Al Khaimah
Period6/12/168/12/16

Keywords

  • Bandwidth enhancement
  • Loop resonator slot
  • Square patch antenna
  • WiFi

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