Exploració per tema "beamforming"

Ara es mostren els items 1-12 de 12

    • 5G Evaluation platform for connected and autonomous vehicles 

      Romero Garrido, Alejandro (Universitat Politècnica de Catalunya, 2021-10-25)
      Treball Final de Grau
      Accés obert
      La nueva generación de comunicaciones móviles, es decir, 5G, promete una capacidad sin precedentes, vínculos y flexibilidad para admitir una amplia variedad de casos de uso. Se espera que la mejora en rendimiento en términos ...

    • A 250-ps integrated ultra-wideband timed array beamforming receiver in 0.18 um CMOS 

      Aghazadeh Dafsari, Seyed Rasoul; Martínez García, Herminio; Aragonès Cervera, Xavier; Saberkari, Alireza (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Comunicació de congrés
      Accés obert
      This paper presents a 4-channel ultra-wideband (UWB) timed array beamforming receiver designed in a standard 0.18-um CMOS technology. The proposed timed array receiver achieves a maximum delay of 250 ps at the maximum beam ...

    • A 3D real-time algorithm based on array processing for the localization of cetaceans 

      Houégnigan, Ludwig; Zaugg, Serge Alain; Schaar, Mike van der; André, Michel (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems), 2010-07-20)
      Article
      Accés obert
      Hydrophone arrays permit to localize populations of cetaceans in realtime so as to study their behaviour in a non-invasive way and to work on their conservation. The most commonly used method based on time-difference-o ...

    • Design and implementation of a modular wireless charging platform using magnetic resonance and beamforming? 

      Mollà Garcia, Armand (Universitat Politècnica de Catalunya, 2019-01-31)
      Projecte Final de Màster Oficial
      Accés obert
      Magnetic Resonance (MR) Wireless Power Transfer (WPT) is a specific case for thewell known inductive coupling principle where energy is transmitted from a transmittingcoil to a receiving one without the need of any wires. ...

    • Indoor Massive MIMO mmWave Antenna System 

      García Ruiz, Cristian (Universitat Politècnica de Catalunya, 2020-09)
      Projecte Final de Màster Oficial
      Accés obert
      Within the 5G framework, the goal of this Master thesis is to propose a system able to encompass both high data rates for enhanced mobile broadband (eMBB) with high availability and reliability for ultra-reliable and ...

    • Investigation of 60GHz technology for onboard avionics applications 

      Sastre Riera, Sandra (Universitat Politècnica de Catalunya, 2015-10-01)
      Projecte/Treball Final de Carrera
      Accés obert
      The technology of the protocol 802.11ad is a cutting edge since it is one of the protocols promoted by Wireless Gigabit Alliance, an association that promoted and developed multi-gigabit speed wireless communications ...

    • Millimeter-Wave Beam-Formed Array Antenna for Connected Driving Scenarios 

      Albert Galí, Miquel (Universitat Politècnica de Catalunya, 2022-07-07)
      Projecte Final de Màster Oficial
      Accés obert
      Connected vehicles are the next frontier in massive mobile communications. The automotive industry is pursuing the exchange of essential information between vehicles, road infrastructure and all kind of external agents ...

    • Physical Layer Security in the 5G Heterogeneous Wireless System with Imperfect CSI 

      Franch Isart, Marc (Universitat Politècnica de Catalunya, 2020-06)
      Projecte Final de Màster Oficial
      Accés obert
      5G is expected to serve completely heterogeneous scenarios where devices with low or high software and hardware complexity will coexist. This entails a security challenge because low complexity devices such as IoT sensors ...

    • Pyramic array: An FPGA based platform for many-channel audio acquisition 

      Azcarreta Ortiz, Juan (Universitat Politècnica de Catalunya, 2016-08-24)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   École polytechnique fédérale de Lausanne
      Microphone arrays techniques present compelling applications for robotic implementations. Those techniques can allow robots to listen to their environment and infer clues from it. Such features might enable capabilities ...

    • Smart Leaky-Wave Antenna Arrays for Terahertz Communications 

      Díez Comas, Albert (Universitat Politècnica de Catalunya, 2022-10-31)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Northeastern University
      The terahertz (THz) band (0.1 - 10 THz) will be instrumental to fulfill the future demands for sixth generation (6G) wireless communications due to its tens to hundreds of gigahertz (GHz) of contiguous bandwidth and the ...

    • The global navigation satellite systems reflectometry (GNSS-R) microwave interferometric reflectometer: hardware, calibration, and validation experiments 

      Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Querol Borràs, Jorge; Hyuk, Park; Camps Carmona, Adriano José (Multidisciplinary Digital Publishing Institute (MDPI), 2019-02-27)
      Article
      Accés obert
      This manuscript describes the Microwave Interferometric Reflectometer (MIR) instrument, a multi-beam dual-band GNSS-Reflectometer with beam-steering capabilities built to assess the performance of a PAssive Reflectrometry ...

    • Transmit beamforming for open spectrum systems 

      Vázquez Oliver, Miguel Ángel (Universitat Politècnica de Catalunya, 2012-07-17)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] This thesis deals with the problem of finding optimal precoding techniques that, considering multiple antennas at the transmitter side, will be able to increase the data rate of future interference networks. First, ...