Tri-Band HIS Backed Spiral Antenna for Wireless LAN Applications

Sarah Mohamad; Robert Cahill; Vincent Fusco

doi:10.1002/mop.29028

Tri-Band HIS Backed Spiral Antenna for Wireless LAN Applications

Sarah Mohamad, Robert Cahill, Vincent Fusco

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Abstract

This study reports the performance of an Archimedean spiral antenna, which exhibits unidirectional circularly polarized radiation patterns with a peak gain >8 dBic in the lower (2.4–2.485 GHz) and upper (5.15–5.35 and 5.725–5.875 GHz) Wireless local area network frequency bands. The required backlobe suppression and impedance match are obtained by placing a multiresonant high impedance surface (HIS) in close proximity to the radiating aperture. Simulated and measured radiation patterns are shown at the center frequency of all three channels and a comparison of the key performance metrics is made with free space and metal backed antenna arrangements to demonstrate the enhancements which are attributed to the HIS reflector.

Original language	English
Pages (from-to)	1116-1121
Number of pages	6
Journal	Microwave and Optical Technology Letters
Volume	57
Issue number	5
Early online date	25 Mar 2015
DOIs	https://doi.org/10.1002/mop.29028
Publication status	Published - May 2015

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Tri-Band HIS Backed Spiral Antenna for Wireless LAN Applications
Copyright 2015 the author(s) This is the pre-peer reviewed version of the following article: Tri-Band HIS Backed Spiral Antenna for Wireless LAN Applications, which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/mop.29028/abstract;jsessionid=728527E60F070A051E2F11407F134547.f04t03
Submitted manuscript, 1.23 MB
Tri-Band HIS Backed Spiral Antenna for Wireless LAN Applications
Copyright 2015 Wiley Periodicals This is the accepted version of the following article: Tri-Band HIS Backed Spiral Antenna for Wireless LAN Applications, which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/mop.29028/abstract;jsessionid=728527E60F070A051E2F11407F134547.f04t03
Accepted author manuscript, 346 KB

Cite this

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abstract = "This study reports the performance of an Archimedean spiral antenna, which exhibits unidirectional circularly polarized radiation patterns with a peak gain >8 dBic in the lower (2.4–2.485 GHz) and upper (5.15–5.35 and 5.725–5.875 GHz) Wireless local area network frequency bands. The required backlobe suppression and impedance match are obtained by placing a multiresonant high impedance surface (HIS) in close proximity to the radiating aperture. Simulated and measured radiation patterns are shown at the center frequency of all three channels and a comparison of the key performance metrics is made with free space and metal backed antenna arrangements to demonstrate the enhancements which are attributed to the HIS reflector.",

author = "Sarah Mohamad and Robert Cahill and Vincent Fusco",

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AB - This study reports the performance of an Archimedean spiral antenna, which exhibits unidirectional circularly polarized radiation patterns with a peak gain >8 dBic in the lower (2.4–2.485 GHz) and upper (5.15–5.35 and 5.725–5.875 GHz) Wireless local area network frequency bands. The required backlobe suppression and impedance match are obtained by placing a multiresonant high impedance surface (HIS) in close proximity to the radiating aperture. Simulated and measured radiation patterns are shown at the center frequency of all three channels and a comparison of the key performance metrics is made with free space and metal backed antenna arrangements to demonstrate the enhancements which are attributed to the HIS reflector.

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JF - Microwave and Optical Technology Letters

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Tri-Band HIS Backed Spiral Antenna for Wireless LAN Applications

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