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Dual-band printed dipole antenna for wi-fi 802.11n applications

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3 Author(s)
Ávila-Navarro, E. ; Electron. Technol. Div., Univ. Miguel Hernandez, Elche, Spain ; Cayuelas, C. ; Reig, C.

A dual-band compact printed dipole antenna for Wi-Fi 802.11n applications in the 2.45 and 5.5 GHz bands is presented. The proposed antenna consists of two printed dipoles with the arms located onto both sides of the dielectric substrate and a bended stripline. This feed scheme makes easy the integration of the antenna with the electronic subsystem and avoids the radiation towards the device. For the design and optimisation, a specifically developed finite-difference time-domain based code is used. The antenna has then been fabricated, simulated and measured. The return losses highly match the Wi-Fi frequency specifications with a moderate gain (between 1 and 3 dBi) and efficiency better than 90%.

Published in:

Electronics Letters  (Volume:46 ,  Issue: 21 )