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In this paper, the gain and return loss of embedded antennas within concrete were investigated. It was shown that the antenna resonance can be made independent of the surrounding concrete medium by using a foam cover layer. Additionally, significant improvements in gain (up to 25 dB) were measured. Far field measurements taken on different days after the concrete pour showed gain increase of up to...
Gain and Infrastructure health monitoring using embeddable wireless sensors has drawn considerable attention. Such sensors will need antennas to support data communication as well as wireless power reception functions. In this paper the gain and return loss properties of an embedded microstrip patch antenna within concrete are studied as function of the air-gap and concrete cover thickness. The transmission...
Structural health monitoring using embeddable wireless sensors is a promising research area. Once embedded the wireless sensor antenna must operate efficiently in order to support data communication as well as battery charging using an integrated rectifying antenna (rectenna). In this paper the characteristics of an embedded microstrip patch antenna within concrete is studied as function of the air-gap...
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