An Ultra-Compact Dual-Band Antenna With Tuning Arms for Wlan Applications

Abstract

Abstract-An ultra-compact dual-band printed antenna is proposed. Connective and concentric double split rings (CCDSR) are used to generate two resonant frequencies in wireless local area network (WLAN) frequency bands. Tuning arms are added to the microstrip fed line, which can be used to tune the upper frequency band. The dimension of this antenna is only 9 × 24 × 1 mm 3 , much smaller than those reported antennas. The measured −10 dB bandwidth in the 2.44 GHz band is 140 MHz (2.37-2.51 GHz) and in 5.34 GHz is 1.23 GHz (4.86-6.09 GHz), covering the 2.4/5.2/5.8 GHz WLAN operating bands. Good radiations at these bands are also observed.

Wideband microstrip patch antenna for WLAN and WiMAX applications on liquid crystal polymer substrate

“…The planar monopole antenna is a good candidate for wireless communication because of its simple structure, Omni-directional radiation characteristic, low profile, and light weight internal antenna. There are many studies of wireless local area network (WLAN) and world Interoperability for Microwave Access (WiMAX) antennas for 2.4 GHz (2.4-2.484GHz), 5.2/5.8GHz (5.15-5.35GHz/5.725-5.825GHz), and 2.5/3.5/5.5GHz (2.4-2.6/3.4-3.6/5.25-5.85 GHz) bands were published [5][6][7]. Some CPW-fed monopole antennas have been proposed to meet the multiband operation [8,9].…”