A new compact hexaband internal antenna of the planar inverted F-type for mobile handsets

Abstract

This letter presents a novel compact internal antenna of the planar inverted F-antenna type. The proposed antenna, with the small size of 19 x 10 x 5 mm, can be easily placed in practical handsets. The return loss and radiation patterns from the proposed antenna are presented. The measured bandwidth of the proposed antenna (S-11 < -9 dB) can cover 610 MHz (1600-2210 MHz) in the lower band and 1170 MHz (4960-6130 MHz) in the upper band. These operating frequencies are very attractive features for DCS/PCS/IMT-2000/UMTS/ISM/WLAN bands handset applications. Numerical simulation and experiment results of the proposed antenna are investigated.