Browsing by Author "Zandamela, Abel Abdul"

Now showing items 1-13 of 13

    • 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 ...

    • Compact Stacked-Patch Antenna for Directional Modulation in Azimuth and Elevation Planes 

      Zandamela, Abel Abdul; Marchetti, Nicola (IEEE, 2022)
      This work proposes a compact stacked-patch antenna capable of beamsteering in the vertical and horizontal directions. These characteristics are studied to realize directional modulation (DM) schemes in the vertical and ...

    • Digital pattern synthesis with a compact MIMO antenna of half-wavelength diameter 

      Zandamela, Abel Abdul; Narbudowicz, Adam (2021)
      The paper presents a compact multiport antenna, with beamforming capabilities and a realized gain of 4.31 dBi with the size of λ/2. The antenna allows digital beamforming with independent control over three parameters: ...

    • 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 ...

    • Directional Modulation from a Wrist-Wearable Compact Antenna 

      Zandamela, Abel Abdul; Marchetti, Nicola (IEEE, 2022)
      This work proposes compact multiport antennas for directional modulation (DM) on wrist-wearable devices to improve the secrecy and privacy of the transmitted data. The DM performance is investigated using the antenna in ...

    • Electrically Small Multimodal 3D Beamforming MIMO Antenna for PHY-Layer Security 

      Zandamela, Abel Abdul; Marchetti, Nicola
      This work proposes an electrically small 3D beam- forming antenna for PHYsical Layer (PHY-layer) security. The antenna comprises two layers of stacked patch structures, and is a five-mode five-port MIMO system operating ...

    • Energy-Efficient Physical Layer Security for Wearable IoT Devices 

      Zandamela, Abel Abdul; Marchetti, Nicola (2023)
      This work proposes an energy-efficient Directional Modulation (DM) scheme for on-body Internet of Things (IoT) devices. DM performance is tested using a 5-port stacked-patch MIMO antenna under two scenarios: free space ...

    • Flexible Multimode-Based Beamforming MIMO Antenna 

      Zandamela, Abel Abdul; Marchetti, Nicola (2023)
      This work proposes compact, flexible Multiple Input Multiple Output (MIMO) antennas. The design principle is based on the excitation of different orthogonal radiating modes within the same antenna volume. Via phase ...

    • On the Efficiency of Miniaturized 360° Beam-Scanning Antenna 

      Zandamela, Abel Abdul; Narbudowicz, Adam (IEEE, 2019)
      The efficiency and beam-scanning performance of a compact, beam reconfigurable antenna are presented. The proposed design provides a 360° reconfigurable bidirectional radiation pattern in the horizontal plane by using phase ...

    • 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 ...

    • Spherical Modes Driven Directional Modulation with a Compact MIMO Antenna 

      Zandamela, Abel Abdul; Marchetti, Nicola (2023)
      In this letter, a compact beamsteering MIMO antenna is proposed for Directional Modulation (DM) applications. A generalization of the beamsteering principle is presented and by exploiting the antenna’s unidirectional ...

    • Stacked-Patch MIMO Antenna for Dual-Plane Beamsteering 

      Zandamela, Abel Abdul; Marchetti, Nicola (2022)
      This paper proposes a compact stacked-patch Multiple-Input Multiple-Output (MIMO) antenna with beamsteering in azimuth and elevation planes. The beamsteering is executed by controlling the phase shifts and amplitudes ...