Abstract
A compact planar multiband antenna operating at 2.65 (lower WiMAX)/5.20 (WLAN)/6.75/7.30 GHz (Satellite TV) is presented. The antenna consists of circular radiator in which a rectangular slot is etched out. Also, the circular radiator is loaded with a rectangular and two hook-shaped stubs to achieve multiband operations. The impedance matching at these bands is achieved by using two small square stubs placed inside the hook-shaped stubs. The antenna has an electrical dimension of 0.17λl x 0.17λl x 0.01λl at the lower frequency of 2.65 GHz. The antenna has S11<-10dB bandwidth of 3% (2.6-2.68GHz), 2.3% (5.12-5.24GHz), 1.2% (6.68-6.76GHz) and 1.37% (7.26-7.36GHz) in simulation and about 6.25% (2.48-2.64GHz), 2.24% (5.3-5.42GHz), 1.15% (6.92-7.00GHz) and 1.1% (8.04-8.12GHz) under measurement. The entire simulation analysis of the antenna is carried out using HFSS v.13.0.
Highlights
The advancement in the field of multifunction devices concentrated more in the recent years
The principal hand over in the advancement of patch antennas was the revelation of their multiband nature
To attain the wireless quality and broad application coverage on single device multiband antennas play vital roles. Aside from covering these numerous applications, multiband antennas likewise sob in the field of size, cost and high information rate highlights
Summary
The advancement in the field of multifunction devices concentrated more in the recent years. The technology has experienced the sudden development in the evergrowing field of communication inventions such as from pagers to mobile phones, wire lines to wireless approaches [1] These advancements may take the ultimate place of solace for human existences. To attain the wireless quality and broad application coverage on single device multiband antennas play vital roles. Aside from covering these numerous applications, multiband antennas likewise sob in the field of size, cost and high information rate highlights. They can be effectively coordinated with control and switching circuits
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