Browsing Computer Science by Author "Marchetti, Nicola"

Now showing items 1-10 of 10

    • Angle of Arrival Estimation Via Small IoT Devices: Miniaturized Arrays vs MIMO Antennas 

      Zandamela, Abel; Chiumento, Alessandro; Marchetti, Nicola; Narbudowicz, Adam (2022)
      This tutorial discusses the problem of Angle-of-Arrival (AoA) estimation from small Internet of Things (IoT) devices. It reviews the limitations and challenges of existing miniaturization strategies, which involve classical ...

    • Compact MIMO Antenna for MUSIC-Based Angle of Arrival Estimation in Wrist-Worn Devices 

      Zandamela, Abel; Marchetti, Nicola; Narbudowicz, Adam (IEEE, 2022)
      In this work, we propose a compact Multiple-Input Multiple-Output (MIMO) antenna for wrist-worn devices. The design is capable of unidirectional beamsteering across the entire horizontal plane, a property that is exploited ...

    • 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 ...

    • 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 ...

    • 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 ...

    • An XG-PON Module for the NS-3 Network Simulator 

      Ruffini, Marco; Doyle, Linda; Marchetti, Nicola (2013)
      10-Gigabit-capable Passive Optical Network (XG-PON), one of the latest standards of optical access networks, is regar ded as one of the key technologies for future Internet access net - works. In this paper, we propose ...