Abstract

In this paper, a novel balanced T-shaped printed antenna is proposed for 3G IMT2000 mobile handsets for the WLAN (IEEE802.11b) module. This balanced T-shaped antenna is designed for microstrip-feeding with balanced signals. The antenna was designed by merging an unbalanced T-shaped antenna and a planar balun. A prototype of the antenna for operation at the IMT2000/IEEE802.11b bands is constructed and described. The measured and simulated return loss (in terms of the mixed-mode S-parameters) and measured radiation patterns are obtained. The experimental results demonstrate the broad bandwidth and omnidirectional radiation performance of the newly developed antenna. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 131–133, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21285

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