Abstract
This article introduces a planar monopole patch antenna for global positioning system (GPS) application. Our design has a circular patch with a stub of inverted L-shape which is used as the radiating portion and partial ground. Our proposed design of the stub allows the antenna to operate at a frequency of 1.5 GHz. The circular monopole is fed by an offset feeding to have an impedance match of 50 ohms. The compact antenna has been designed and simulated on RT Duroid 6006 material with relative permittivity ( ) of 6.15 and 0.0019 as the loss tangent. Our antenna has a dimension of 65 × 55 × 2.54 mm3 . A gain of 1.23 dB is observed at the resonant frequency of 1.5 GHz and the antenna exhibits dipole like radiation pattern both in E and H-plane. The antenna has better impedance matching, good gain and steady characteristics of radiation pattern across the operating bandwidth. High frequency structure simulator (HFSS) v.13.0 is used to carry out all the simulations.
Highlights
Increasing numbers of researchers have used recent developments to build antennas that exhibit an increased gain, good efficiency, and are small in size with omnidirectional radiation patterns since the time wireless communication began to make major advances and began to gain popularity in everyday applications
Ali et al [5] have presented a rectangular slot antenna with modified ground plane to work for UWB range thereby covering wireless local area network (WLAN)/WiMAX/multiple input multiple output (MIMO) applications
The antenna has a partial ground plane which helps in overall impedance matching at 1.5 GHz
Summary
Increasing numbers of researchers have used recent developments to build antennas that exhibit an increased gain, good efficiency, and are small in size with omnidirectional radiation patterns since the time wireless communication began to make major advances and began to gain popularity in everyday applications. Ali et al [5] have presented a rectangular slot antenna with modified ground plane to work for UWB range thereby covering WLAN/WiMAX/MIMO applications. A. Kunwar et al [12] have designed an inverted L-slot antenna for WLAN and/ or WiMAX bands with a defected ground structure. J. Pei et al [13] have designed a miniature antenna with a defected ground plane for UWB applications of WLAN and WiMAX. The antenna has a partial ground plane which helps in overall impedance matching at 1.5 GHz. The presented paper has the following main contributions: - A compact circular monopole loaded with inverted L-shaped stubs with offset feeding is proposed for. - The inverted L-shaped stub helps in shifting the resonance from 2.1 to 1.5 GHz. 1.5 GHz band satisfying the need of GPS applications.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
