Design of Dual -Band Coax Patch Antenna for GSM and Bluetooth Applications

Adegoke, Ogunlade Michael and Nyatega, Charles Okanda (2014) Design of Dual -Band Coax Patch Antenna for GSM and Bluetooth Applications. International Journal of Science and Research (IJSR), 3 (12). pp. 1-5. ISSN 2319-7064

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Abstract

This paper proposes the design of dual-band coax patch antenna for GSM and Bluetooth applications. The proposed antenna is suggested to be used in a mobile phone handset that covers dual frequency bands which include GSM1900(1850-1990MHz) and Bluetooth(2400-2483.5MHz).The simulation of the antenna is performed using a High Frequency Structure Simulator(HFSS) software. Analysis for return loss, VSWR, gain and radiation pattern were carried out. The proposed antenna shows return loss of -29dB at 1.9GHz and -30dB at 2.4GHz which implies good results. The impedance matching is good at the desired frequencies with VSWR < 2 respectively. The overall simulation results shows that the antenna worked well at the desired dual frequencies and hence making the antenna suitable for use in both GSM and Bluetooth applications. This antenna is implemented on FR4 Epoxy dielectric substrate with relative permittivity ∈

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