A Study on Small Sensor Node Antenna Performance Camouflaged Under Grassland Fire - Internet of Things. Technology and Applications Access content directly
Conference Papers Year : 2022

A Study on Small Sensor Node Antenna Performance Camouflaged Under Grassland Fire

Abstract

In this paper, the impact of vegetation and fire on the radiation pattern of a small antenna to be used in a WSN sensor node, is studied. The proposed antenna used in this study is based on a differential patch design, tuned to operate in the 2.4 GHz frequency band. The antenna presents a reduced size of $$45\times 45$$45×45 mm2 (0.36$$\lambda $$λ $$\times $$× 0.36$$\lambda $$λ). The simulations were carried using a full-wave EM solver (CST MWS) considering four different scenarios: the first scenario only containing the antenna placed on the ground to serve as reference; in the second scenario vegetation was introduced to serve as the “normal” state of the terrain surrounding the sensor node; the third scenario includes the impact of surrounding fire considering the permittivity expected during such an event; and the last simulation was performed to include all the previous components simultaneously.
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hal-04471541 , version 1 (21-02-2024)

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Tiago Oliveira, Mário Vala, Stefânia Faria, João R. Reis, Nuno Leonor, et al.. A Study on Small Sensor Node Antenna Performance Camouflaged Under Grassland Fire. 4th IFIP International Internet of Things Conference (IFIPIoT), Nov 2021, Virtual, Netherlands. pp.86-95, ⟨10.1007/978-3-030-96466-5_6⟩. ⟨hal-04471541⟩
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