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Switched WLAN-wideband tapered slot antenna

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4 Author(s)
Hamid, M.R. ; Sch. of Electron., Electr. & Comput. Eng., Univ. of Birmingham, Birmingham, UK ; Hall, P.S. ; Gardner, P. ; Ghanem, F.

A switched band antenna that has a capability to operate in dual-band WLAN mode (2.4-2.485 GHz and 5.725-5.875 GHz), a single band WLAN mode of 2.4-2.485 GHz and a wideband mode (2.2-7.2 GHz) is presented. The antenna is based on a tapered slot antenna, which has a defected ground structure containing two switchable ring and two rectangular slots to provide a switched band property. Measurement results on a prototype antenna, with an ideal switch, fully demonstrate the performances of the proposed designs. The proposed antenna is suitable for use in a base station or an access point for WLAN and wideband applications and may be also useful in future multimode radio systems.

Published in:

Electronics Letters  (Volume:46 ,  Issue: 1 )