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CTRQ 2012, the Fifth International Conference On CTRQ 2012 The Fifth International Conference on Communication Theory, Reliability, and Quality of Service ISBN: 978-1-61208-192-2 April 29 - May 4, 2012 Chamonix / Mont Blanc, France CTRQ 2012 Editors Eugen Borcoci, Politehnica University of Bucharest, Romania Pascal Lorenz, University of Haute Alsace, France 1 / 84 CTRQ 2012 Foreword The Fifth International Conference on Communication Theory, Reliability, and Quality of Service [CTRQ 2012], held between April 29th and May 4th, 2012 in Chamonix / Mont Blanc, France, continued a series of events focusing on the achievements on communication theory with respect to reliability and quality of service. The conference also brought onto the stage the most recent results in theory and practice on improving network and system reliability, as well as new mechanisms related to quality of service tuned to user profiles. The processing and transmission speed and increasing memory capacity might be a satisfactory solution on the resources needed to deliver ubiquitous services, under guaranteed reliability and satisfying the desired quality of service. Successful deployment of communication mechanisms guarantees a decent network stability and offers a reasonable control on the quality of service expected by the end users. Recent advances on communication speed, hybrid wired/wireless, network resiliency, delay-tolerant networks and protocols, signal processing and so forth asked for revisiting some aspects of the fundamentals in communication theory. Mainly network and system reliability and quality of service are those that affect the maintenance procedures, on the one hand, and the user satisfaction on service delivery, on the other hand. Reliability assurance and guaranteed quality of services require particular mechanisms that deal with dynamics of system and network changes, as well as with changes in user profiles. The advent of content distribution, IPTV, video-on-demand and other similar services accelerate the demand for reliability and quality of service. We take here the opportunity to warmly thank all the members of the CTRQ 2012 Technical Program Committee, as well as the numerous reviewers. The creation of such a high quality conference program would not have been possible without their involvement. We also kindly thank all the authors who dedicated much of their time and efforts to contribute to CTRQ 2012. We truly believe that, thanks to all these efforts, the final conference program consisted of top quality contributions. Also, this event could not have been a reality without the support of many individuals, organizations, and sponsors. We are grateful to the members of the CTRQ 2012 organizing committee for their help in handling the logistics and for their work to make this professional meeting a success. We hope that CTRQ 2012 was a successful international forum for the exchange of ideas and results between academia and industry and for the promotion of progress in the field of communication theory, reliability and quality of service. We are convinced that the participants found the event useful and communications very open. We also hope the attendees enjoyed their stay in the French Alps. CTRQ Advisory Committee: Eugen Borcoci, Politehnica University of Bucharest, Romania Joel Rodrigues, Instituto de Telecomunicações / University of Beira Interior, Portugal Pascal Lorenz, University of Haute Alsace, France Raj Jain, Washington University in St. Louis, USA 2 / 84 CTRQ 2012 PROGRAM COMMITTEE CTRQ Advisory Committee Eugen Borcoci, Politehnica University of Bucharest, Romania Joel Rodrigues, Instituto de Telecomunicações / University of Beira Interior, Portugal Pascal Lorenz, University of Haute Alsace, France Raj Jain, Washington University in St. Louis, USA CTRQ 2012 Technical Program Committee Gergely Acs, INRIA, Rhone-Alpes - Montbonnot, France Himzo Bajric, Joint Stock Company BH Telecom - Sarajevo, Bosnia and Herzegovina Jasmina Barakovic Husic, BH Telecom – Sarajevo, Bosnia and Herzegovina Eugen Borcoci, Politehnica University of Bucharest, Romania Bruno Checcucci, Perugia University, Italy Karel De Vogeleer, Blekinge Institute of Technology (BTH) - Karlskrona, Sweden Javier Del Ser Lorente, TECNALIA Research & Innovation, Spain Michel Diaz, LAAS, France Manfred Droste, Universität Leipzig, Germany Ali El Masri, Troyes University of Technology -Troyes, France Andras Farago, The University of Texas at Dallas - Richardson, USA Julio César García Alvarez, Universidad Nacional de Colombia Sede Manizales, Colombia Bogdan Ghita, University of Plymouth, UK Marc Gilg, Université de Haute Alsace, France Antti Hakkala, University of Turku, Finland Bjarne J. Helvik, NTNU, Norway Robert Ching-Hsien Hsu, Chung Hua University, Taiwan Mohsen Jahanshahi, Islamic Azad University - Central Tehran Branch, Iran Brigitte Jaumard, Concordia University, Canada Sokratis K. Katsikas, University of Piraeus, Greece Wojciech Kmiecik, Wroclaw University of Technology, Poland Michal Kucharzak, Wroclaw University of Technology, Poland Archana Kumar, Delhi Institute of Technology & Management - Haryana, India Pascal Lorenz, University of Haute Alsace, France Zoubir Mammeri, IRIT - Paul Sabatier University - Toulouse, France Wail Mardini, Jordan University of Science and Technology, Jordan Rubens Matos, Federal University of Pernambuco, Brazil Rick McGeer, HP Labs - Palo Alto, USA Amalia N. Miliou, Aristotle University of Thessaloniki, Greece Jean-Claude Moissinac, TELECOM ParisTech, France Petros Nicopolitidis, Aristotle University of Thessaloniki, Greece Shahram Nourizadeh, Domocare - AXON, France Serban Obreja, University Politehnica of Bucharest, Romania Jun Peng, University of Texas - Pan American - Edinburg, USA Karim Mohammed Rezaul, Glyndwr University - Wrexham, & St. Peter's College of London, UK Joel Rodrigues, Instituto de Telecomunicações / University of Beira Interior, Portugal Janusz Romanik, Military Communications Institute – Warszawska, Poland 3 / 84 Simon Pietro Romano, University of Napoli Federico II, Italy Giovanni Russello, CREATE-NET, Italy Sébastien Salva, Université de Clermont Ferrand/IUT d'Aubière – Cézeaux, France Iraj Saniee, Bell Labs, Alcatel-Lucent - Murray Hill, USA Susana Sargento, University of Aveiro/Institute of Telecommunications, Portugal Panagiotis Sarigiannidis, University of Western Macedonia - Kozani, Greece Zary Segall, University of Maryland Baltimore County, USA Dimitrios Serpanos, ISI/RC Athena & University of Patras, Greece Adam Smutnicki, Wroclaw University of Technology, Poland Vasco Soares, Instituto de Telecomunicações / University of Beira Interior / Polytechnic Institute of Castelo Branco, Portugal Tae-Eung Sung, Korea Institute of Science and Technology Information, Korea Vicraj Thomas, BBN Technologies, Inc., USA Pierre F. Tiako, Langston University, USA Kishor Trivedi, Duke University - Hudson Hall, USA Elena Troubitsyna, Åbo Akademi University, Norway Dimitrios D. Vergados, University of Piraeus, Greece Seppo Virtanen, University of Turku, Finland Krzysztof Walkowiak, Wroclaw University of Technology, Poland Abdulrahman Yarali, Murray State University, USA Nataša Živic, University of Siegen, Germany 4 / 84 Copyright Information For your reference, this is the text governing the copyright release for material published by IARIA. The copyright release is a transfer of publication rights, which allows IARIA and its partners to drive the dissemination of the published material. This allows IARIA to give articles increased visibility via distribution, inclusion in libraries, and arrangements for submission to indexes. I, the undersigned, declare that the article is original, and that I represent the authors of this article in the copyright release matters. 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