Composite Right/Left-Handed Transmission-Line Based Wideband Antenna for WLAN, WiMAX and WiFi Applications

Alibakhshikenari, Mohammad, Naser-Moghadasi, Mohammad, Sadeghzadeh, Ramazan Ali, Virdee, Bal Singh and Limiti, Ernesto (2016) Composite Right/Left-Handed Transmission-Line Based Wideband Antenna for WLAN, WiMAX and WiFi Applications. In: International Symposium on Telecommunications, 27-28th April 2016, Tehran, Iran.

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Official URL: http://ieeexplore.ieee.org/document/7881853/

Abstract / Description

In this article, a new and compact wideband antenna is presented based on metamaterial composite right/left-handed transmission-line (CRLH-TL) structures. The proposed wideband planar antenna provides enhanced gain performance and is optimized for bandwidth, efficiency and radiation patterns. The CRLH-TL is realized by embedding two inverted F-shaped slots inside a rectangular radiation patch which is inductively grounded through a metal via-hole. The antenna is constructed using two CRLH-TL unit-cells to cover the frequency span from 3.1 GHz to 5.4 GHz, which corresponds to a fractional bandwidth of 54.11%. The overall size of the antenna is 11 mm × 7.4 mm × 0.8 mm or 0.15λo×0.1λo×0.011λo, where λo is free space wavelength at the operating frequency of 4.25 GHz. The antenna has a maximum gain and radiation efficiency of 6.4 dBi and 89.04%, respectively, at 5.4 GHz. The proposed antenna finds application in various wireless technologies including WLAN, WiMAX and WiFi.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: small antenna, composite right/left-handed transmission line (CRLH-TL), wideband antenna, wireless communication systems, F-shaped slots
Subjects: 600 Technology > 620 Engineering & allied operations
Department: School of Computing and Digital Media
Depositing User: Bal Virdee
Date Deposited: 08 Jan 2018 12:38
Last Modified: 23 Aug 2019 11:26
URI: https://repository.londonmet.ac.uk/id/eprint/1318

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