Now showing items 1-20 of 35

  • A bluetooth low energy indoor positioning system with channel diversity, weighted trilateration and Kalman filtering 

    Cantón Paterna, Vicente; Calveras Augé, Anna M.; Paradells Aspas, Josep; Perez Bullones, Maria Antonia (Multidisciplinary Digital Publishing Institute (MDPI), 2017-12-01)
    Article
    Open Access
    Indoor Positioning Systems (IPS) using Bluetooth Low Energy (BLE) technology are currently becoming real and available, which has made them grow in popularity and use. However, there are still plenty of challenges related ...
  • Adding QoS support for timeliness to the observe extension of CoAP 

    Ludovici, Alessandro; García, Ernesto; Gimeno, Xavier; Calveras Augé, Anna M. (2012)
    Conference report
    Restricted access - publisher's policy
    In this paper, we propose a modification of the observe extension of CoAP to include Quality of Service (QoS) support for timeliness. The proposed QoS support is based on delivery priority. Nodes are able to express the ...
  • A distributed man-machine dispatching architecture for emergency operations based on 3GPP mission critical services 

    Viamonte Solé, David; Calveras Augé, Anna M. (Institute of Electrical and Electronics Engineers (IEEE), 2017-12-16)
    Article
    Open Access
    With the number of non-human devices expected to significantly overtake human users of LTE networks, it is no surprise that First Responders in Mission Critical operations will need to interact with an increasing number ...
  • An alternative to IEEE 802.11ba: wake-up radio with legacy IEEE 802.11 transmitters 

    Cervià Caballé, Martí; Calveras Augé, Anna M.; López Aguilera, M. Elena; García Villegas, Eduard; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2019-04-09)
    Article
    Open Access
    Current standardization process for Wake-up Radio (WuR) within the IEEE 802.11 Working Group, known as the IEEE 802.11ba, has brought interest to the IEEE 802.11-related technologies for the implementation of WuR systems. ...
  • Analytical model of large data transactions in CoAP networks 

    Ludovici, Alessandro; Di Marco, Piergiuseppe; Calveras Augé, Anna M.; Johansson, Karl H. (2014-08-01)
    Article
    Open Access
    We propose a novel analytical model to study fragmentation methods in wireless sensor networks adopting the Constrained Application Protocol (CoAP) and the IEEE 802.15.4 standard for medium access control (MAC). The blockwise ...
  • A novel power efficient location-based cooperative routing with transmission power-upper-limit for wireless sensor networks 

    Shi, Juanfei; Calveras Augé, Anna M.; Cheng, Ye; Liu, Kai (2013-05-15)
    Article
    Open Access
    The extensive usage of wireless sensor networks (WSNs) has led to the development of many power- and energy-efficient routing protocols. Cooperative routing in WSNs can improve performance in these types of networks. In ...
  • Aplicación de métodos de compresión de cabeceras TCP/IP como optimización de las comunicaciones móviles 

    Calveras Augé, Anna M.; Catalán Cid, María Luisa (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 2003)
    Article
    Open Access
    El protocolo TCP (Transmission Control Protocol) está implementado para actuar en redes fija s, donde las incidencias en la comunicación pueden interpreta rse como problemas de con ges tión. En entornos móviles, en ...
  • A presence-aware smart home system (PASH) 

    García Davis, Ernesto; Calveras Augé, Anna M. (2011-06-08)
    Article
    Restricted access - publisher's policy
    Wireless Sensor Networks are providing tremendous benefit for a number of industries. A subset of sensed data collected by these networks is presence information. A smart home control system can be designed based on presence ...
  • A proxy design to leverage the interconnection of CoAP wireless sensor networks with web applications 

    Ludovici, Alessandro; Calveras Augé, Anna M. (2015-01-09)
    Article
    Open Access
    In this paper, we present the design of a Constrained Application Protocol (CoAP) proxy able to interconnect Web applications based on Hypertext Transfer Protocol (HTTP) and WebSocket with CoAP based Wireless Sensor Networks. ...
  • A two-way radio communication across a multi-hop wireless sensor network based on a commercial IEEE 802.15.4 compliant platform 

    Herrera, Laura; Calveras Augé, Anna M.; Catalán Cid, María Luisa (Elsevier, 2012)
    Conference lecture
    Open Access
    Wireless Sensor Networks, and especially IEEE 802.15.4, are originally defined for low cost applications, with low bit rates and power restrictions in mind. However, the ubiquity of the nodes and their easy connectivity ...
  • Benefits of using mobile ad-hoc network protocols in federated satellite systems for polar satellite missions 

    Ruiz de Azúa Ortega, Joan Adrià; Camps Carmona, Adriano José; Calveras Augé, Anna M. (Institute of Electrical and Electronics Engineers (IEEE), 2018-09-19)
    Article
    Open Access
    The Operational Network of Individual Observation Nodes (ONION) project evaluated the benefits of applying Distributed Satellite System (DSS) architectures to Earth Observation. One of its outcomes is the identification ...
  • Competition: interference-aware multi-channel cross layer protocol for energy-efficient and low-delay networking 

    Sierra Aiello, Guillermo; Seyfettin Demirkol, Ilker; Calveras Augé, Anna M.; Gómez Montenegro, Carlos; García Villegas, Eduard; Betzler, August (Association for Computing Machinery (ACM), 2016)
    Conference lecture
    Restricted access - publisher's policy
    This document aims to present the general ideas and methodology that are planned to be used for the EWSN 2016 Dependability Competition by the Wireless Networks Group of Universitat Politecnica de Catalunya. We designed, ...
  • Contribución al estudio de mejora de prestaciones del protocolo TCP en diferentes entornos 

    Calveras Augé, Anna M. (Universitat Politècnica de Catalunya, 2000-01-19)
    Doctoral thesis
    Open Access
    Internet, la mayor red de ordenadores del mundo, formada por millones de terminales repartidos por todo el planeta, está basada en la arquitectura de protocolos TCP/IP, cuyas aplicaciones más utilizadas son, sin duda, el ...
  • Design and realization of precise indoor localization mechanism for Wi-Fi devices 

    Su, Weideng; Liu, Erwu; Calveras Augé, Anna M.; García Villegas, Eduard; Wang, Rui; You, Jiayi (2016-12-31)
    Conference lecture
    Open Access
    Despite the abundant literature in the field, there is still the need to find a time-efficient, highly accurate, easy to deploy and robust localization algorithm for real use. The algorithm only involves minimal human ...
  • Energy efficient wireless networking of sensor nodes 

    Seyfettin Demirkol, Ilker; Paradells Aspas, Josep; Oller Bosch, Joaquim; Casademont Serra, Jordi; Calveras Augé, Anna M.; Catalán Cid, María Luisa (2013)
    Conference report
    Open Access
    Wireless sensor networks have paved the way to a new era in user applications, where information can be sensed, processed, and distributed from remote environments with minimal or no human interaction. As the sensor nodes ...
  • Examen Final 

    Calveras Augé, Anna M. (Universitat Politècnica de Catalunya, 2014-01-17)
    Exam
    Restricted access to the UPC academic community
  • Examen Final 

    Calveras Augé, Anna M.; Casademont Serra, Jordi (Universitat Politècnica de Catalunya, 2013-06-17)
    Exam
    Restricted access to the UPC academic community
  • Forwarding techniques for IP fragmented packets in a real 6LoWPAN network 

    Ludovici, Alessandro; Calveras Augé, Anna M.; Casademont Serra, Jordi (2011-01-18)
    Article
    Open Access
    Wireless Sensor Networks (WSNs) are attracting more and more interest since they offer a low-cost solution to the problem of providing a means to deploy large sensor networks in a number of application domains. We believe ...
  • Hacia una web independiente del dispositivo mediante CC/PP 

    Ferrer Riera, José Luis; Calveras Augé, Anna M. (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 2004)
    Article
    Open Access
    Composite Capabilities/Preferences Profiles (CC/PP) es el nuevo lenguaje estándar creado por el World Wide Web Constortium (W3C) para que la gran diversidad de dispositivos que disponen, o dispondrán, de un acceso a ...
  • Implementation and evaluation of Multi-hop routing in 6LoWPAN 

    Calveras Augé, Anna M.; Ludovici, Alessandro (Universidad de Valladolid, 2010)
    Conference lecture
    Open Access
    6LoWPAN enables the transmission of IPv6 packets over LoWPAN networks. In order to make it possible, 6LoWPAN introduces an adaptation layer between network and link layers. This layer allows IPv6 packets to be adapted to ...