This paper is organized as follows, in Section 2, we present a condense overview about both CST MWS and ADS.
These advantages are lower mass density and high resistivity against corrosion, the two simulators CST MWS and ADS are used to evaluate the return loss, matching impedance, resonant frequency, bandwidth and far field radiation patterns. Using MWCNT ink instead of copper for microstrip patch antenna gives main benefits against copper. The results are given for both MWCNT and Copper characterizations. We show a close agreement in the results obtained by the two simulation software's CST MWS and ADS. The antenna gain is found to be –12.5 dBi at 1.22 GHz for MWCNT and is found –12.05 dBi at 1.25 GHz at CST MWS and the antenna gain is found to be –11.85 dBi at 1.235 GHz for MWCNT and is found –12.25 dBi at 1.243 GHz at ADS and the antenna gain is found to be –4.25 dBi at 2.47 GHz for MWCNT and is found –4.01 dBi at 2.53 GHz at CST MWS and the antenna gain is found to be –4.23 dBi at 2.47 GHz for MWCNT and is found –4.88 dBi at 2.45 GHz at ADS. We show the meandering of the surface current on the radiating in spiral patch. The reflection coefficient is –12 dB at 1.2276 GHz for MWCNT and –13 dB at 1.25 GHz for the copper simulated by CST MWS and reflection coefficient is –12.235 dB at 1.234 GHz for MWCNT and –18.36 dB at 1.243 GHz for the copper simulated by ADS and the reflection coefficient is –27dB at 2.47 GHz for MWCNT and –13 dB at 2.53 GHz for the copper simulated by CST MWS and the reflection coefficient is –26.08 dB at 2.48 GHz for MWCNT and –17.031 dB at 2.47 GHz for the copper simulated by ADS. In this paper, we compare a dual-band, square spiral microstrip patch antenna constructed from Multi-Walled Carbon Nanotubes (MWCNT) ink for wearable application simulated by Computer Simulation Technology Microwave Studio (CST MWS) by our work simulated by Advanced Design System (ADS) electromagnetic simulator using the same material characterization. Keywords: Copper MWCNT CST MWS ADS and Spiral Microstrip Antenna 1Faculty of Electronic Engineering, Menoufia University, Menouf, Egypt 2National Telecom Regulatory Authority, Cairo, Egypt 3Shobraa Faculty of Engineering, Benha University, Cairo, Egypt 4RF/Microwave and Photonics Group, Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada.Įmail: February 15 th, 2012 revised March 16 th, 2012 accepted March 25 th, 2012
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