Design of a Compact Internal Antenna for Multi-Band Personal Communication Handsets

In this paper, we propose a compact internal antenna for modern slim personal communication handsets that require reduced height multi-band antennas for location independent operation. The antenna operates at DCS, PCS, UMTS, WiBro, ISM/Bluetooth and WLAN (5.17 - 5.85 GHz) standards. Measured return loss of the antenna is better than -10 dB with acceptable radiation performance at all the targeted frequency bands. Height of the antenna is 4.0 mm resulting in a total volume of 1.5 cm
³
that makes it attractive for modern slim personal communication handsets.