Now showing items 1-20 of 315

    • A budget feasible peer graded mechanism for iot-based crowdsourcing 

      Kumar Singh, Vikash; Mukhopadhyay, Sajal; Xhafa Xhafa, Fatos; Sharma, Aniruddh (Springer, 2019-01-23)
      Article
      Open Access
      We develop and extend a line of recent works on the design of mechanisms for heterogeneous tasks assignment problem in ’crowdsourcing’. The budgeted market we consider consists of multiple task requesters and multiple IoT ...
    • A comparative study of calibration methods for low-cost ozone sensors in IoT platforms 

      Ferrer Cid, Pau; Barceló Ordinas, José María; García Vidal, Jorge; Ripoll, Anna; Viana, Mar (2019-12-01)
      Article
      Open Access
      This paper shows the result of the calibration process of an Internet of Things platform for the measurement of tropospheric ozone (O 3 ). This platform, formed by 60 nodes, deployed in Italy, Spain, and Austria, consisted ...
    • A fog based approach for hazards differentiation in an IIoT scenario 

      Moradbeikie, Azin; Jamshidi, Kamal; Bohlooli, Ali; García Almiñana, Jordi; Masip Bruin, Xavier (2020)
      Conference report
      Restricted access - publisher's policy
      Industrial control systems (ICS) are applied in many critical infrastructures. Reducing reconfiguration time after hazard leads to safety improvement, so it is one of the most important objectives in these systems. Hazards ...
    • A Framework for allocation of IoT devices to the fog service providers in strategic setting 

      Bandyopadhyay, Anjan; Xhafa Xhafa, Fatos; Mallik, Saurav; Krause, Paul; Mukhopadhyay, Sajal; Kumar Singh, Vikash; Maulik, Ujjwal (Springer, 2019)
      Conference report
      Restricted access - publisher's policy
      In the IoT+Fog+Cloud architecture, with the ever increasing growth of IoT devices, allocation of IoT devices to the Fog service providers will be challenging and needs to be addressed properly in both the strategic and ...
    • A GRASP meta-heuristic for evaluating the latency and lifetime impact of critical nodes in large wireless sensor networks 

      Sembroiz Ausejo, David; Ojaghi Kahjogh, Behnam; Careglio, Davide; Ricciardi, Sergio (Multidisciplinary Digital Publishing Institute, 2019-11-01)
      Article
      Open Access
      Wireless Sensor Networks (WSN) have lately been gaining momentum thanks to the hardware improvements and standardization software efforts. Moreover, the appearance of Internet of Things (IoT) and its reliance on sensors ...
    • A hash-based naming strategy for the fog-to-cloud computing paradigm 

      Gómez Cárdenas, Alejandro; Masip Bruin, Xavier; Marín Tordera, Eva; Kahvazadeh, Sarang; García Almiñana, Jordi (2018)
      Conference report
      Open Access
      The growth of the Internet connected devices population has fuelled the emergence of new distributed computer paradigms; one of these paradigms is the so-called Fog-to-Cloud (F2C) computing, where resources (compute, ...
    • A LoRa-based Framework with applications to Smart Buildings 

      Torres Padín, Marcos (Universitat Politècnica de Catalunya, 2020-03)
      Master thesis
      Open Access
      Covenantee:   Technische Universität Berlin
      Modern communication technologies allow people to access and monitor anything from anywhere using networks like LoRaWAN that is often described as one of the Internet of Things (IoT). For this reason, in this project the ...
    • A LoRaWAN testbed design for supporting critical situations: prototype and evaluation 

      Navarro Ortiz, Jorge; Ramos Muñoz, Juan J.; López Soler, Juan M.; Cervelló Pastor, Cristina; Catalán Cid, Marisa (2019-01-01)
      Article
      Open Access
      The Internet of Things is one of the hottest topics in communications today, with current revenues of $151B, around 7 billion connected devices, and an unprecedented growth expected for next years. A massive number of ...
    • A model for data enrichment over IoT streams at edges of internet 

      Van Hille, Reinout; Xhafa Xhafa, Fatos; Hellinckx, Peter (Springer, 2018)
      Conference report
      Restricted access - publisher's policy
      In this paper some issues related to the efficiency of processing IoT data are addressed through semantic data enrichment and edge computing. The aim is to cope with big data streams at various levels, from the lowest level ...
    • A Novel and scalable naming strategy for IoT scenarios 

      Gómez Cárdenas, Alejandro; Masip Bruin, Xavier; Marín Tordera, Eva; Kahvazadeh, Sarang (2018)
      Conference report
      Open Access
      Fog-to-Cloud (F2C) is a novel paradigm aimed at increasing the benefits brought by the growing Internet-of-Things (IoT) devices population at the edge of the network. F2C is intended to manage the available resources from ...
    • A Novel smart jacket for blood pressure measurement based in shape memory alloys 

      Monràs Álvarez, David (Universitat Politècnica de Catalunya, 2019-07-03)
      Bachelor thesis
      Open Access
      Smart textiles with medical applications offer the possibility of continuous and non-invasively monitoring which benefit patients and doctors. To measure blood pressure in premature infants a miniature actuator that can ...
    • A quality-assuring, combinatorial auction based mechanism for IoT-based crowdsourcing 

      Kumar Singh, Vikash; Mukhopadhyay, Sajal; Xhafa Xhafa, Fatos; Krause, Paul (2020-03)
      Part of book or chapter of book
      Restricted access - publisher's policy
      In this chapter, we study some research issues from IoT-based crowdsourcing in a strategic setting. We have considered the scenario in IoT-based crowdsourcing, where there are multiple task requesters and multiple IoT ...
    • A resilient and distributed near real-time traffic forecasting application for Fog computing environments 

      Pérez, Juan L.; Gutierrez-Torre, Alberto; Berral, Josep Ll.; Carrera, David (Elsevier, 2018-10)
      Article
      Open Access
      In this paper we propose an architecture for a city-wide traffic modeling and prediction service based on the Fog Computing paradigm. The work assumes an scenario in which a number of distributed antennas receive data ...
    • A role-based software architecture to support mobile service computing in IoT scenarios 

      Finochietto, Mariano; Eggly, Gabriel; Santos, Rodrigo; Orozco, Javier; Ochoa, Sergio; Meseguer Pallarès, Roc (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-05)
      Article
      Open Access
      The interaction among components of an IoT-based system usually requires using low latency or real time for message delivery, depending on the application needs and the quality of the communication links among the components. ...
    • A Sigfox energy consumption model 

      Gómez Montenegro, Carlos; Veras Revelles, Juan Carlos; Vidal Ferré, Rafael; Casals Ibáñez, Lluís; Paradells Aspas, Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2019-02-07)
      Article
      Open Access
      Sigfox has become one of the main Low-Power Wide Area Network (LPWAN) technologies, as it has attracted the attention of the industry, academy and standards development organizations in recent years. Sigfox devices, such ...
    • A static approach to investigate the impact of predictive maintenance in the reliability level and the failure cost of industrial installations 

      Papaioannou, Evangelos (Universitat Politècnica de Catalunya, 2019-10-09)
      Master thesis
      Open Access
      Digital IoT(Internet of Things)solutions for equipment condition monitoring andnew advanced algorithms to process big data, enablethe application of predictive maintenance.Consequently, actual implementations of such a ...
    • A stochastic optimization model for the placement of road site units 

      Urquiza Aguiar, Luis; Tripp Barba, Carolina; Aguilar Igartua, Mónica (Springer, 2015)
      Conference lecture
      Restricted access - publisher's policy
      In this paper, we propose a simple and scalable optimization model for the deployment of road site units (RSUs). The model takes advantage of the inherent stochasticity provided by the vehicles’ movements by using mobility ...
    • A study on satellite Internet of Things (IoT) 

      Naranjo Zurita, Hector Jose (Universitat Politècnica de Catalunya, 2021-02-12)
      Master thesis
      Restricted access - confidentiality agreement
    • A survey of communication protocols for internet of things and related challenges of fog and cloud computing integration 

      Dizdarevic, Jasenka; Carpio, Francisco; Jukan, Admela; Masip Bruin, Xavier (2019-01-01)
      Article
      Open Access
      The fast increment in the number of IoT (Internet of Things) devices is accelerating the research on new solutions to make cloud services scalable. In this context, the novel concept of fog computing as well as the combined ...
    • A Survey on multimodal data stream mining for e-learner’s emotion recognition 

      Nandi, Arijit; Xhafa Xhafa, Fatos; Subirats, Laia; Fort, Santi (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Restricted access - publisher's policy
      Emotions play a crucial role in learning. To improve and optimize electronic learning (e-Learning) outcomes, many researchers have investigated the role of emotions. Also, researchers have come up with many approaches to ...