Publications

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J. Barceló, B. Bellalta, A. Sfairopoulou, C. Cano, and M. Oliver, "CSMA with Enhanced Collision Avoidance: a Performance Assessment", IEEE VTC Spring, 2009.
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C. Macian, J. Barceló, A. Sfairopoulou, M. Oliver, and J. Infante, "Arquitectura de gestión de un operador neutral Wi-Fi", V Jornadas de Ingenieria Telematica (JITEL) 2005, Vigo, Spain, 09/2005.
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A. Sfairopoulou, J. Barceló, B. Bellalta, C. Macian, and M. Oliver, "Position Information for VoIP Emergency Calls", Web Information Systems and Technologies, Barcelona, Spain, 03/2007.
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J. Barceló, B. Bellalta, C. Cano, A. Sfairopoulou, M. Oliver, and J. Zuidweg, "Traffic Prioritization for Carrier Sense Multiple Access with Enhanced Collision Avoidance", MACOM (ICC'09), Dresden, Germany, pp. 99, 06/2009.
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C. Macian, J. Barceló, A. Sfairopoulou, M. Oliver, and J. Infante, "Barcelona's Open Access Network Testbed", IEEE TridentCom, Barcelona, Spain, 03/2006.
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J. Barceló, B. Bellalta, C. Cano, A. Sfairopoulou, and M. Oliver, "Dynamic Parameter Adjustment in CSMA/ECA", Multiple Access Communications (MACOM) 2010, Barcelona, Springer, 09/2010.
J. Barceló, A. Sfairopoulou, and B. Bellalta, "Wireless open metropolitan area networks", ACM SIGMOBILE Mobile Computing and Communications Review, vol. 12, issue 3: ACM New York, NY, USA, 07/2008.
J. Barceló, B. Bellalta, C. Cano, and A. Sfairopoulou, "VoIP Packet Delay in Single-Hop Ad-Hoc IEEE 802.11 Networks", IEEE/IFIP WONS - Wireless On demand Network Systems and Services, Garmisch-Partenkirchen, Germany, 01/2008.
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C. Cano, B. Bellalta, A. Sfairopoulou, and J. Barceló, "A Low Power Listening MAC with Scheduled Wake Up after Transmissions for WSNs", IEEE Communication Letters, vol. 13, issue 4, 04/2009. Abstract
C. Cano, B. Bellalta, A. Sfairopoulou, and J. Barceló, "Tuning the EDCA Parameters in WLANs with Heterogeneous Traffic: A Flow-level Analysis", To be published in Computer Networks. , 2010. Abstract
C. Cano, A. Sfairopoulou, B. Bellalta, J. Barceló, and M. Oliver, "Analytical Model of the LPL with Wake up after Transmissions MAC protocol for WSNs", International Symposium on Wireless Communication Systems (ISWCS 09), Siena, Italy, 09/2009. Abstract
C. Cano, J. Barceló, A. Sfairopoulou, and B. Bellalta, "A Novel MAC Protocol for Event-Based Wireless Sensor Networks: Improving the Collective QoS", Wired/Wireless Internet Communications (WWIC 2009), Enschede, the Netherlands, Springer-Verlag New York Inc, pp. 1, 05/2009. Abstract
C. Cano, B. Bellalta, A. Sfairopoulou, and M. Oliver, "Low Energy Operation in WSNs: A Survey of Preamble Sampling MAC Protocols", Computer Networks, 2011.
C. Cano, B. Bellalta, A. Sfairopoulou, M. Oliver, and J. Barceló, "Taking Advantage of Overhearing in Low Power Listening WSNs: A Performance Analysis of the LWT-MAC Protocol", Mobile Networks and Applications., 2010.
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R. Ferrus, F. Casadevall, J. Rendon, A. Sfairopoulou, and X. Reves, "On the impact of prioritised radio resource control on TCP connections in a downlink UMTS channel", IEEE PIMRC 2004, Barcelona, Spain, 09/2004.
R. Ferrus, F. Casadevall, J. Rendon, A. Sfairopoulou, and X. Reves, "On the impact of prioritised radio resource control on TCP connections in a downlink UMTS channel", IEEE PIMRC 2004, Barcelona, Spain, 09/2004.
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C. Macian, J. Barceló, A. Sfairopoulou, M. Oliver, and J. Infante, "Barcelona's Open Access Network Testbed", IEEE TridentCom, Barcelona, Spain, 03/2006.
C. Macian, A. Sfairopoulou, and M. Oliver, "Arquitectura para un punto de intercambio de trafico de voz sobre IP", XV Jornadas Telecom I+D, Madrid, Spain, 11/2005.
C. Macian, J. Barceló, A. Sfairopoulou, M. Oliver, and J. Infante, "Arquitectura de gestión de un operador neutral Wi-Fi", V Jornadas de Ingenieria Telematica (JITEL) 2005, Vigo, Spain, 09/2005.
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J. Rendon, R. Ferrus, A. Sfairopoulou, and F. Casadevall, "Cross-layer interaction between TCP and UMTS RRM scheduling algorithms", VTC2006-Fall, Montreal, Canada, 09/2006.
J. Rendon, R. Ferrus, A. Sfairopoulou, and F. Casadevall, "Impact of UMTS load control mechanisms on TCP", IST Mobile & Wireless Communications Summit, Myconos, Greece, 06/2006.
J. Rendon, R. Ferrus, F. Casadevall, and A. Sfairopoulou, "Experimental analysis of TCP behaviour over a downlink UMTS channel under different scheduling strategies", IST Mobile and Wireless Communications Summit 2004, Lyon, France, 06/2004.
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A. Sfairopoulou, "A cross-layer mechanism for QoS improvements in VoIP over multi-rate WLAN networks", PhD dissertation, Universitat Pompeu Fabra, 2008.
A. Sfairopoulou, C. Macian, and B. Bellalta, "Architecture of a VoIP Traffic Exchange Point", EUNICE Summer School, Stuttgart, Germany, 09/2006.
A. Sfairopoulou, C. Cano, E. Bonada, and B. Bellalta, "Evaluating the LWT-MAC performance in query-driven WSNs using data-centric routing", MACOM 2011, 09/2011.