Now showing items 1-14 of 14

    • Architecting more than Moore: wireless plasticity for massive heterogeneous computer architectures (WiPLASH) 

      Klein, Joshua; Levisse, Alexandre; Ansaloni, Giovanni; Atienza Alonso, David; Zapater Sancho, Marina; Dazzi, Martino; Karunaratne, Geethan; Boybat, Irem; Sebastian, Abu; Rossi, Davide; Jain, Akshay; Guirado Liñan, Robert; Taghvaee, Hamidreza; Abadal Cavallé, Sergi (Association for Computing Machinery (ACM), 2021)
      Conference report
      Open Access
      This paper presents the research directions pursued by the WiPLASH European project, pioneering on-chip wireless communications as a disruptive enabler towards next-generation computing systems for artificial intelligence ...
    • Error analysis of programmable metasurfaces for beam steering 

      Taghvaee, Hamidreza; Cabellos Aparicio, Alberto; Georgiou, Julius; Abadal Cavallé, Sergi (2020-03-01)
      Article
      Open Access
      Recent years have seen the emergence of programmable metasurfaces, where the user can modify the electromagnetic (EM) response of the device via software. Adding reconfigurability to the already powerful EM capabilities ...
    • Exploration of intercell wireless millimeter-wave communication in the landscape of intelligent metasurfaces 

      Tasolamprou, Anna; Pitilakis, Alexandros; Abadal Cavallé, Sergi; Tsilipakos, Odysseas; Timoneda, Xavier; Taghvaee, Hamidreza; Mirmoosa, Mohammad Sajjad; Liu, Fu; Liaskos, Christos; Tsioliaridou, Ageliki; Ioannidis, Sotiris; Kantartzis, Nikolaos V.; Manessis, Dionyssios; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
      Article
      Open Access
      Software-defined metasurfaces are electromagnetically ultra-thin, artificial components thatcan provide engineered and externally controllable functionalities. The control over these functionalities isenabled by the ...
    • Extremum seeking control for beam steering using hypersurfaces 

      Ashraf, Nouman; Lestas, Marios; Saeed, Taqwa; Taghvaee, Hamidreza; Abadal Cavallé, Sergi; Pitsillides, Andreas; Liaskos, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Open Access
      Hypersurface, a software defined metasurface (SDM) paradigm constitutes a revolutionary technology aiming at offering programmatic control over all aspects of a propagating wave, altering its direction, power, polarization ...
    • Fault tolerance in programmable metasurfaces: the beam steering case 

      Taghvaee, Hamidreza; Abadal Cavallé, Sergi; Georgiou, Julius; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      Metasurfaces, the two-dimensional counterpart of metamaterials, have caught great attention thanks to their powerful control over electromagnetic waves. Recent times have seen the emergence of a variety of metasurfaces ...
    • Multiwideband terahertz communications via tunable graphene-based metasurfaces in 6G networks: Graphene enables ultimate multiwideband THz wavefront control 

      Taghvaee, Hamidreza; Pitilakis, Alexandros; Tsilipakos, Odysseas; Tasolamprou, Anna; Kantartzis, Nikolaos V.; Kafesaki, Maria; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José; Abadal Cavallé, Sergi (Institute of Electrical and Electronics Engineers (IEEE), 2022-06)
      Article
      Open Access
      The next generation of wireless networks is expected to tap into the terahertz (THz) band (0.1–10 THz) to satisfy the extreme latency and bandwidth density requirements of future applications. However, the development of ...
    • On scalable, reconfigurable, and intelligent metasurfaces 

      Taghvaee, Hamidreza (Universitat Politècnica de Catalunya, 2021-07-21)
      Doctoral thesis
      Open Access
      Sixth Generation (6G) of wireless networks will be even more heterogeneous and dense as compared to Fifth Generation (5G) and other legacy networks. Thus, the 6G architecture will need to be adapted to serve the ever-evolving ...
    • On the use of programmable metasurfaces in vehicular networks 

      Saeed, Taqwa; Aziz, Waqar; Pitsillides, Andreas; Vassiliou, Vasos; Akyildiz, Ian; Taghvaee, Hamidreza; Abadal Cavallé, Sergi; Liaskos, Christos; Tsioliaridou, Ageliki; Ioannidis, Sotiris; Emoyon-Iredia, Ehizogie; Lestas, Marios (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      Metasurface-based intelligent reflecting surfaces constitute a revolutionary technology which can serve the purpose of alleviating the blockage problem in mmwave communication systems. In this work, we consider the ...
    • Opportunistic beamforming in wireless network-on-chip 

      Abadal Cavallé, Sergi; Marruedo, Adrián; Franques, Antonio; Taghvaee, Hamidreza; Cabellos Aparicio, Alberto; Zhou, Jin; Torrellas, Josep; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      Wireless Network-on-Chip (WNoC) has emerged as a promising alternative to conventional interconnect fabrics at the chip scale. Since WNoCs may imply the close integration of antennas, one of the salient challenges in this ...
    • Radiation pattern prediction for metasurfaces: A neural network-based approach 

      Taghvaee, Hamidreza; Jain, Akshay; Timoneda i Comas, Xavier; Liaskos, Christos; Abadal Cavallé, Sergi; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (Multidisciplinary Digital Publishing Institute (MDPI), 2021-04-14)
      Article
      Open Access
      As the current standardization for the 5G networks nears completion, work towards understanding the potential technologies for the 6G wireless networks is already underway. One of these potential technologies for the 6G ...
    • Scalability analysis of programmable metasurfaces for beam steering 

      Taghvaee, Hamidreza; Abadal Cavallé, Sergi; Pitilakis, Alexandros; Tsilipakos, Odysseas; Tasolamprou, Anna; Liaskos, Christos; Kafesaki, Maria; Kantartzis, Nikolaos V.; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2020-01-01)
      Article
      Open Access
      Programmable metasurfaces have garnered significant attention as they confer unprecedented control over the electromagnetic (EM) response of any surface. Such feature has given rise to novel design paradigms such as ...
    • The scaling laws of HyperSurfaces 

      Taghvaee, Hamidreza; Abadal Cavallé, Sergi; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto; Saeed, Taqwa; Pitsillides, Andreas; Tsilipakos, Odysseas; Liaskos, Christos; Tasolamprou, Anna; Kafesaki, Maria; Pitilakis, Alexandros; Kantartzis, Nikolaos V.; Soteriou, Vassos; Lestas, Marios (CRC Press, 2020)
      Part of book or chapter of book
      Restricted access - publisher's policy
      State-of-the-art, flat structures called metasurfaces can filter and steer light and sound, render an object completely invisible to electromagnetic waves, and much more. They can deliver automation, remote operation, and ...
    • Toward intelligent metasurfaces: the progress from globally tunable metasurfaces to software-defined metasurfaces with an embedded network of controllers 

      Tsilipakos, Odysseas; Tasolamprou, Anna; Pitilakis, Alexandros; Liu, Fu; Wang, Xuchen; Mirmoosa, Mohammad Sajjad; Tzarouchis, Dimitrios C.; Abadal Cavallé, Sergi; Taghvaee, Hamidreza; Liaskos, Christos; Tsioliaridou, Ageliki; Georgiou, Julius; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José; Ioannidis, Sotiris; Pitsillides, Andreas; Akyildiz, Ian; Kantartzis, Nikolaos V.; Economou, Eleftherios; Soukoulis, Costas; Kafesaki, Maria; Tretyakov, Sergei (2020-01-01)
      Article
      Open Access
      Metasurfaces, the ultrathin, 2D version of metamaterials, have recently attracted a surge of attention for their capability to manipulate electromagnetic waves. Recent advances in reconfigurable and programmable metasurfaces ...
    • Workload characterization of programmable metasurfaces 

      Saeed, Taqwa; Abadal Cavallé, Sergi; Liaskos, Christos; Pitsillides, Andreas; Taghvaee, Hamidreza; Cabellos Aparicio, Alberto; Lestas, Marios; Alarcón Cot, Eduardo José (Association for Computing Machinery (ACM), 2019)
      Conference report
      Open Access
      Metasurfaces are envisaged to play a key role in next-generation wireless systems due to their powerful control over electromagnetic waves. The last decade has witnessed huge advances in this regard, shifting from static ...