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Compact Tapered Slot UWB Antenna With WLAN Band Rejection

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3 Author(s)
Carla R. Medeiros ; Inst. de Telecomun., Lisbon, Portugal ; Jorge R. Costa ; Carlos A. Fernandes

This letter extends the design of a previously proposed uniplanar ultrawideband (UWB) antenna to include within its 3.110.6-GHz operation band a rejection of the wireless local area network (WLAN) band near 5.5 GHz. The antenna configuration is based on a combination of two crossed exponentially tapered slots plus a star-shaped slot printed on both sides of a 10-mils dielectric substrate. The band rejection is obtained with the addition of extra slots at the antenna back-face metallization. The radiation pattern and polarization are very stable over the entire UWB. Link measurements between two identical antennas demonstrate low pulse distortion over almost all the solid angle.

Published in:

IEEE Antennas and Wireless Propagation Letters  (Volume:8 )