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A Compact Ultrawideband Slotted Patch Antenna for Wireless USB Dongle Application

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3 Author(s)
Chao-Ming Wu ; Dept. of Aeronaut. Eng., Nat. Formosa Univ., Yunlin, Taiwan ; Yung-Lun Chen ; Wen-Chung Liu

A compact planar ultrawideband (UWB) antenna suitable for wireless universal serial bus (USB) dongle application is presented. By simply cutting notches and embedding types of slots into a rectangular patch, multiple resonances with effective bandwidth enhancement were achieved. A prototype of the proposed antenna was constructed and measured to show an ultrawide operating band with 10-dB return-loss bandwidth of about 10.42 GHz ranging from 2.86 to 13.38 GHz, which sufficiently covers the operating band, 3.1-10.6 GHz, of the new wireless personal area network (WPAN) using UWB technique. Also, monopole-like radiation patterns and larger than 3 dBi of peak antenna gain have been measured across the operating band. This design has an overall size of only 11 × 15 × 0.8 mm3 and is very suitable for use in an USB device.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:11 )