Now showing items 1-8 of 8

    • 3D Beam-Steering MIMO Antenna for On-Body IoT Applications 

      Zandamela, Abel; Marchetti, Nicola; Ammann, Max J.; Narbudowicz, Adam (IEEE, 2023)
      In this article, a compact 3D beam-steering MIMO antenna operating at 5.75 GHz is proposed for on-body Internet of Things (IoT) applications. The planar antenna comprises a central patch and two concentric annular rings. ...
    • Compact Beamforming Antennas for Directional Modulation in IoT 

      Narbudowicz, Adam; Zandamela, Abel (2023)
      The paper discuss a PHY-layer security technique known as Directional Modulation (DM) and its implementations with compact beamforming antennas. The motivation is to allow DM to operate from small and low-complexity IoT ...
    • Compact Beamforming Antennas for IoT-Enabled Directional Modulation and Localization 

      Zandamela, Abel Abdul (Trinity College Dublin. School of Engineering. Discipline of Electronic & Elect. Engineering, 2024)
      In recent years, there has been a considerable focus in various research domains directed towards the miniaturization of wireless communication devices. This increasing demand for highly compact systems is a growing trend ...
    • Compact MIMO Antennas for Localization and PHY layer Security in Wrist Worn IoT Devices 

      Zandamela, Abel Abdul; Marchetti, Nicola; Ammann, Max J.; Narbudowicz, Adam (SFI, 2022)
      On-body IoT technologies, like wrist-worn devices, are becoming a key enabler of many cutting-edge applications such as connected healthcare systems (e.g, patient monitoring, in-hospital localization, sports fitness, and ...
    • 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 ...
    • Small Dual-Band 3D Beamforming MIMO Antenna 

      Zandamela, Abel Abdul; Marchetti, Nicola; Narbudowicz, Adam (IEEE, 2023)
      This work proposes a small dual-band (2.4 GHz and 4.89 GHz bands) 3D beamforming Multiple-Input Multiple-Output (MIMO) antenna for emerging size-constrained Internet of Things (IoT) applications. The performance is realized ...