Browsing Electronic & Electrical Eng (Scholarly Publications) by Subject "Electrically Small Antennas"

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  • Directional Modulation for Enhanced Privacy in Smart Watch Devices 

    Zandamela, Abel Abdul; Marchetti, Nicola; Narbudowicz, Adam (2023)
    This article studies security aspects of data transmission in on-body Internet of Things (IoT) devices through the use of Directional Modulation (DM) from a smart watch integrated antenna. DM is a beamsteering-based Physical ...

  • Non-Contact Radio Frequency Level Sensor Based on Wheeler Cap 

    Pratoomma, Prakorn; Zandamela, Abel; Narbudowicz, Adam; Chalermwisutkul, Suramate (2023)
    In this paper, we propose a novel non-contact liquid level sensor based on the Wheeler cap. The sensor utilizes an electrically small antenna operating at 276 MHz enclosed within a metal cap, in conjunction with the liquid ...

  • Pattern and Polarization Diversity Multi-Sector Annular Antenna for IoT Applications 

    Zandamela, Abel; Marchetti, Nicola; Ammann, Max J.; Narbudowicz, Adam (IEEE, 2023)
    This work proposes a small pattern and polarization diversity multi-sector annular antenna with electrical size and profile of ka = 1.2lambda and 0.018lambda, respectively. The antenna is planar and comprises annular sectors ...