Microstrip-Fed Microstrip-Slot Antenna for Mobile Handsets
Date Issued
2009
Date
2009
Author(s)
Chang, Hsun-Pin
Abstract
A new planar multiband antenna with a low antenna height less than 0.06 λ/4 is proposed for moblie handset applications. The antenna comprises two half-wave dipole ntennas and two slot antennas. It is fed by a microstrip line which couples the two half-wave strip dipole antennas and two tapered slot antennas on the ground plane. Our design can cover 10 bands including GSM850/GSM900/GSM1800/GSM1900/UMTS/GPS for cellular communication systems, WiMAX2.6/3.5/WLAN2.4/5 GHz for ireless network applications, and the navigation GPS system. The resonant frequency of the antenna can be adjusted by simply changing the lengths of the tuning stub, the monopole slot, and the strip dipole at their respective fundamental resonances. The design principles are simple, the cost is relatively inexpensive, and the fabrication due to its simple 2-dimensional geometry. The radiating elements and the ground plane are located on both sides of the substrate. The whole area of the proposed antenna has dimensions of only 40mmx16mm , which is small enough to fulfill the requirement of the cellular phone.
Subjects
Handheld devices
microstrip antennas
miniaturized antennas
multi-frequency antennas
slot antennas
Type
thesis
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ntu-98-R96942085-1.pdf
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