A Compact Four Concentric Rectangular Rings Slot Antenna for Mobile Handset Applications

Zhen YU, Jian-guo YU, Xiao-ying RAN

Abstract


A novel compact four concentric rectangular rings slot broadband microstrip antenna is proposed for mobile handsets in the paper. The antenna has a circular radiator with four concentric rectangular rings slot structure. The antenna can cover more than ten mobile applications with -10dB bandwidth of 88.7% (1.6-4.15GH) for DCS1800(1710-1880MHz), TD-SCDMA(1880-2025MHz, 2300-2400MHz), WCDMA(1920-2170MHz, 1755-1880MHz), LTE33-41/42/43 (1900-2690MHz, 3400-3800MHz), Bluetooth, GPS, COMPASS, GLONSS, GALILEO, WLAN (802.11b/g/n:2.4-2.48GHz), and WiMAX(3.3-3.8GHz) wireless applications. The proposed antenna is fabricated on a 1.6 mm-thick FR4 substrate with dielectric constant of 4.4, and the size is 50*40mm2. The good agreement between the measurement results and the simulation validates the proposed design approach and meets the requirements for mobile handset applications.

Keywords


Four concentric rectangular rings, Slot antenna, Dual-band, Compact microstrip antenna


DOI
10.12783/dtcse/wcne2016/5120

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