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Photo Rui Jorge Morais Tomaz Valadas

Address: IT – Lisboa
Instituto de Telecomunicações
Av. Rovisco Pais, 1
Lisboa   1049-001 , PORTUGAL

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Short CV

Networks and Multimedia
Rui Jorge Morais Tomaz Valadas Academic position: Full Professor
Joining date: 01-03-1998
Role in IT: Researcher
Scientific Area: Networks and Multimedia
Group: Network Architecture and Protocols – Lx
 
Degrees 

- Agregação, Universidade de Aveiro, 01-01-2004
- PhD, Universidade de Aveiro, 01-01-1996
 
Affiliations 

- Universidade de Aveiro, Professor Associado c/ Agregação, 01-01-1986
 
Academic Activities 

Supervision of theses

PhD

- Traffic Modelling in IP Networks: Markovian Models and Models based on Lindenmayer Systems, PhD, Paulo Salvador , 4-2005

- Statistical Characterization and Traffic Modelling for Communications Networks, PhD, António Nogueira , 3-2005

- Resource Management in Networks with Quality-of-Service Support, PhD, Susana Sargento , 2-2003

MSc

- QoS in IP Access Networks, MSc, Carla Ribeiro , 12-2006

- Security in IEEE 802.11 Wireless Local Area Networks, MSc, Cristiano Pereira , 10-2005

- Mobility, Security and AAA in All-IP Networks, MSc, Filipe Simões , 10-2004

- Dimensioning of MPLS Networks: Node and Link Optimization, MSc, Jorge Patrão , 12-2003

- Scheduling Algorithms for QoS Support in IP Networks, MSc, Carlos Santiago , 11-2002

- Experimental Study of Security Technologies in IP Networks, MSc, Hugo Marques , 10-2002

- Systems Analysis of Reference Interfaces for Open Management of UMTS Access Networks, MSc, José Lino Teixeira , 5-2002

- Dimensioning of ATM and MPLS Networks, MSc, Luis Cardoso , 2-2002

Co - Supervision of Theses

Licenciatura

- Estudo e Implementação de Redes Heterogéneas em Ambiente Laboratorial, Licenciatura, Alberto Barros Dias , 7-2007

- Plataforma on-line para medição da qualidade de serviço em tempo real da oferta de banda larga em Plataforma on-line para medição da qualidade de serviço em tempo real da oferta de banda larga em Portugal, Licenciatura, Luis Faceira / Ruben Correia, 7-2006

- Sistema de Avaliação do Estado das Redes IP, Licenciatura, Renato Gaio e Valter Matos , 7-2005

MSc

- Traffic characterization and users location in peer-to-peer file sharing systems, MSc, Joana Margarida Dias de Bragança Gonçalves, 7-2008

- Simulação de Redes em ns-2, MSc, Filipe Cunha , 12-2006

Undergraduate

- Mecanismos de Avaliação da Qualidade de Serviço das Redes IP, Undergraduate, João Silva, 9-2007


 
Publications 

    Books  [1] 

- Valadas, R.; Salvador, P.; (eds.); Traffic Management and Traffic Engineering for the Future Internet, Springer, New York, 2009. | BibTex

    Book Chapters  [6] 

- Nogueira, A. N.; Salvador, P.; Valadas, R.; A. Pacheco; "Markovian Modelling of Internet Traffic" - Chapter in Performance Handbook in Next Generation Internet: Performance Evaluation & Applications, D. Kouvatsos, Springer, Berlin-Heidelberg, 2011.

- Nogueira, A. N.; Salvador, P.; Valadas, R.; A. Pacheco; "A Hierarchical Approach based on MMPPs for Modelling Self-similar Traffic over Multiple Time Scales" - Chapter in Heterogeneous Networks: Vol. I - Traffic Engineering, Performance Evaluation Studies & Tools, Demetres Kouvatsos, Elsevier Science, , 2009.

- R. Oliveira; A. Pacheco; C. Pascoal; Valadas, R.; Salvador, P.; "On the Dependencies between Internet Flow Characteristics" - Chapter in Traffic Management and Traffic Engineering for the Future Internet, Rui Valadas and Paulo Salvador, Springer, Berlin Heidelberg New York, 2009.

- J. Gonçalves; Salvador, P.; Nogueira, A. N.; Valadas, R.; "Peer-Level Analysis of Distributed Multimedia Content Sharing" - Chapter in Traffic Management and Traffic Engineering for the Future Internet, Rui Valadas and Paulo Salvador, Springer, Berlin Heidelberg New York, 2009.

- Nogueira, A. N.; Salvador, P.; Valadas, R.; "A Framework for Detecting Internet Applications" - Chapter in Lecture Notes in Computer Science, Springer-Verlag Berlin, Springer, Berlin, 2007.

- Nogueira, A. N.; Salvador, P.; Valadas, R.; A. Pacheco; "Modeling IP Traffic Behavior through Markovian Models" - Chapter in Encyclopedia of Internet Technologies and Applications, Mário Freire and Manuela Pereira, Idea-Group Inc., Hershey, 2007.

    Papers in Journals  [26] 

- Nogueira, A. N.; Salvador, P.; Valadas, R.; A. Pacheco; "Modeling Self-similar Traffic over Multiple Time Scales based on Hierarchical Markovian and L-System Models", Computer Communications Journal, Vol. 33, No. Suplement 1, pp. S3 - S10, November, 2010.
| BibTex

- Nogueira, A. N.; Salvador, P.; A. Couto; Valadas, R.; "Towards the On-line Identification of Peer-to-peer Flow Patterns", Journal of Networks, Vol. 4, No. 2, pp. 108 - 118, April, 2009.
| BibTex

- Nogueira, A. N.; RN Nogueira; Salvador, P.; Valadas, R.; "Differentiating Internet Applications using Principal Component Analysis", Ubiquitous Computing and Communication Journal, Vol. CSNDSP, No. --, pp. 1 - 13, January, 2009.
| BibTex

- M.R.O de Oliveira; Valadas, R.; A. Pacheco; Salvador, P.; "Cluster analysis of Internet users based on hourly traffic utilization", IEICE Trans. on Communications, Vol. E90-B, No. 7, pp. 1594 - 1607., July, 2007.
| BibTex

- Sargento, S.; Valadas, R.; "Accurate Estimation of Capacities and Cross-Traffic of All Links in a Path Using ICMP Timestamps", Telecommunication Systems, Vol. 1, No. 1, pp. 1 - 1, October, 2006.
| BibTex

- TP Pinho; Oliveira, J. L.; Valadas, R.; Salvador, P.; Nogueira, A. N.; "Active traffic monitoring for heterogeneous environments", Lectures Notes in Computer Science, Vol. 3420, No. ??, pp. 603 - 610, April, 2005.
| BibTex

- Salvador, P.; Nogueira, A. N.; Valadas, R.; "Framework based on stochastic L-Systems for modeling IP traffic with multifractal behavior", Computer Communications Journal, Vol. 27, No. 18, pp. 1799 - 1811, December, 2004.
| BibTex

- Sargento, S.; Valadas, R.; "Performance of Hierarchical Aggregation in Differentiated Services Networks", Telecommunication Systems, Vol. 27, No. 1, pp. 47 - 66, September, 2004.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; A. Pacheco; "Fitting self-similar traffic by a superposition of MMPPs modeling the distribution at multiple time scales", IEICE Trans. on Communications, Vol. E87-B, No. 3, pp. 678 - 688, March, 2004.
| BibTex

- Salvador, P.; A. Pacheco; Valadas, R.; "Modeling IP Traffic: Joint Characterization of Packet Arrivals and Packet Sizes Using BMAPs", , Vol. 44, No. 3, pp. 335 - 352, February, 2004.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; A. Pacheco; "Modeling Network Traffic with Multifractal Behavior", Telecommunication Systems, Vol. 24, No. 2, pp. 339 - 362, October, 2003.
| BibTex

- Salvador, P.; Valadas, R.; A. Pacheco; "Multiscale Fitting Procedure using Markov Modulated Poisson Processes", Telecommunication Systems, Vol. 23, No. 1-2, pp. 123 - 148, June, 2003.
| BibTex

- Tavares, A.; Valadas, R.; Aguiar, R. L.; Duarte, A. M. O. D.; "Experimental Characterization of Rate-Adaptive Transmission and Angle Diversity Reception Techniques", IEEE Wireless Communications, Vol. 10, No. 2, pp. 36 - 44, April, 2003.
| BibTex

- Tavares, A.; Valadas, R.; Aguiar, R. L.; Duarte, A. M. O. D.; "Angle Diversity and Rate-Adaptive Transmission for Indoor Wireless Optical Communications", IEEE Communications Magazine, Vol. 41, No. 3, pp. 64 - 73, March, 2003.
| BibTex

- Sargento, S.; Valadas, R.; J. Gonçalves; "IP-based Access Networks for Broadband Multimedia Services", IEEE Communications Magazine, Vol. 41, No. 2, pp. 109 - 119, February, 2003.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; A. Pacheco; "Modeling Self-similar Traffic through Markov Modulated Poisson Processes over Multiple Time Scales", Lectures Notes in Computer Science, Vol. 2720, No. , pp. 550 - 560, January, 2003.
| BibTex

- Sargento, S.; Valadas, R.; "Tradeoffs between signaling and resource utilization in DiffServ networks with hierarchical aggregation ", Lectures Notes in Computer Science, Vol. 2515, No. 2515, pp. 241 - 254, November, 2002.
| BibTex

- Aguiar, R. L.; Tavares, A.; Cura, JLC; E. Vasconcelos; Alves, L.N.A.; Valadas, R.; Santos, DMS; "Electronic Circuits for Wireless Optical LANs - I", Revista do Departamento de Electrónica e de Telecomunicações, Universidade de Aveiro, Vol. 2, No. 6, pp. 766 - 775, September, 1999.
| BibTex

- Aguiar, R. L.; Tavares, A.; Cura, JLC; E. Vasconcelos; Alves, L.N.A.; Valadas, R.; Santos, DMS; "Electronic Circuits for Wireless Optical LANs - II", Revista do Departamento de Electrónica e de Telecomunicações, Universidade de Aveiro, Vol. 2, No. 6, pp. 776 - 786, September, 1999.
| BibTex

- Valadas, R.; A. Moreira; C. Lomba; Tavares, A.; Duarte, A. M. O. D.; "The IEEE 802.11 Infrared Physical Layer", IEEE Communications Magazine, Vol. 36, No. 12, pp. 107 - 112, December, 1998.
| BibTex

- C. Lomba; Valadas, R.; Duarte, A. M. O. D.; "Combining Emitter and Receiver Diversity to Achieve Data Rates Above 100 Mbps on Diffuse Optical Channels", Electronics Letters, Vol. 34, No. 12, pp. 1243 - 1244, June, 1998.
| BibTex

- C. Lomba; Valadas, R.; Duarte, A. M. O. D.; "Experimental characterisation and modelling of the reflection of infrared signals on indoor surfaces", IEE Proceedings, Part J – Optoelectronics, Vol. 145, No. 3, pp. 191 - 197, June, 1998.
| BibTex

- Valadas, R.; Tavares, A.; Duarte, A. M. O. D.; "Angle Diversity to Combat the Ambient Noise in Indoor Optical Wireless Communication Systems", , Vol. 4, No. 4, pp. 275 - 288, October, 1997.
| BibTex

- A. Moreira; Valadas, R.; Duarte, A. M. O. D.; "Optical Interference Produced by Artificial Light", Wireless Networks Journal, Vol. 3, No. ?, pp. 131 - 140, May, 1997.
| BibTex

- Aguiar, R. L.; Valadas, R.; A. Moreira; C. Lomba; Tavares, A.; Sousa, A. F.; Duarte, A. M. O. D.; "Contribuições da Universidade de Aveiro para a Especificação da Rede de Área Local Não-cablada do IEEE 802.12", Revista do Departamento de Electrónica e de Telecomunicações, Universidade de Aveiro, Vol. 1, No. 7, pp. 695 - 704, January, 1997.
| BibTex

- A. Moreira; Valadas, R.; Duarte, A. M. O. D.; "Performance of Infrared Transmission Systems Under Ambient Light Interference", IEE Proceedings, Part J – Optoelectronics, Vol. 143, No. 6, pp. 339 - 346, December, 1996.
| BibTex

    Papers in Conference Proceedings  [63] 

- C. Pascoal; R. Oliveira; Valadas, R.; P. F. Filzmoser; Salvador, P.; A. Pacheco; "Robust Feature Selection and Robust PCA for Internet Traffic Anomaly Detection", Proc IEEE INFOCOM, Orlando, United States, Vol. 2012, pp. 1755 - 1763, March, 2012.
Abstract | BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; A. Pacheco; "Joint Modeling of Network Related Events with Multi-Dimensional Markov Modulated Deterministic Processes", Proc IEEE International Conf. on Software, Telecommunications and Computer Networks - SoftCOM, Hvar, Croatia, Vol. --, pp. -- - --, September, 2011.
| BibTex

- Nogueira, A. N.; Salvador, P.; Rocha, E.; Valadas, R.; "Emulation Environment for Ground Truth Establishment", Proc International Conf. on Emerging Network Intelligence - Emerging, Florence, Italy, Vol. --, pp. -- - --, October, 2010.
| BibTex

- Salvador, P.; Nogueira, A. N.; Valadas, R.; "Markovian Models for Medical Signals on Wireless Sensor Networks", Proc IEEE International Workshop on Medical Applications Networking - MAN 2009, Dresden, Germany, Vol. -, pp. - - -, June, 2009.
| BibTex

- Salvador, P.; Nogueira, A. N.; U.F. França; Valadas, R.; "Framework for Zombie Detection using Neural Networks", Proc IARIA International Conf. on Internet Monitoring and Protection - ICIMP, Venice, Italy, Vol. -, pp. - - -, May, 2009.
| BibTex

- C. Monteiro; Salvador, P.; Nogueira, A. N.; Valadas, R.; "Integrated System for Collecting, Processing and Storing Network Information", Proc Conf. on Telecommunications - ConfTele, Santa Maria da Feira, Portugal, Vol. -, pp. - - -, May, 2009.
| BibTex

- JG Gonçalves; Salvador, P.; Nogueira, A. N.; Valadas, R.; "Peer Level Analysis of Distributed Multimedia Content Sharing", Proc International Workshop on Traffic Management and Traffic Engineering for the Future Internet (FITraMEn 08), Porto, Portugal, Vol. -, pp. - - -, December, 2008.
| BibTex

- Salvador, P.; Nogueira, A. N.; U.F. França; Valadas, R.; "Detection of Illicit Traffic using Neural Networks", Proc International Conf. on Security and Cryptography - SECRYPT, Porto, Portugal, Vol. --, pp. -- - --, July, 2008.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; "Identifying Differentiating Characteristics of Internet Applications using Principal Component Analysis", Proc International Symp. on Communication Systems and Digital Signal Processing, Graz, Austria, Vol. 1, pp. 1 - 1, July, 2008.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; "Identification of Peer-to-peer Applications' Flow Patterns", Proc International Conf. on Next Generation Internet Networks - NGI, Krakow, Poland, Vol. -, pp. - - -, April, 2008.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; "Framework for Wireless Networks Management based on Network and Traffic Modeling with QoS Objectives", Proc Forth EuroFGI Workshop on Wireless and Mobility, Barcelona, Spain, Vol. -, pp. - - -, January, 2008.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; "Modeling Access Networks for QoS Prediction", Proc Workshop on IP QoS and Traffic Control, Lisboa, Portugal, Vol. -, pp. - - -, December, 2007.
| BibTex

- Salvador, P.; Nogueira, A. N.; Valadas, R.; "Local Area Network Modeling for Performance Prediction", Proc IEEE Conf. on Local Computer Networks , Dublin, Ireland, Vol. -, pp. - - -, October, 2007.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; "Joint Modeling of MANET Characteristics for QoS Prediction", Proc IEEE International Symp. on Computers and Communications - ISCC, Aveiro, Portugal, Vol. -, pp. - - -, July, 2007.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; "Module for Identifying Internet Applications and its Integration in a Peer-to-peer Measurement Tool", Proc IADIS International Conf. – Telecommunications, Networks and Systems, Lisboa, Portugal, Vol. -, pp. - - -, July, 2007.
| BibTex

- Salvador, P.; Nogueira, A. N.; Valadas, R.; "Predicting QoS Characteristics on Wireless Networks", Proc International Conf. on Networking and Services - ICNS, Athens, Greece, Vol. -, pp. - - -, June, 2007.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; "Predicting the Quality of Service of Wireless LANs using Neural Networks", Proc ACM/IEEE International Symp. on Modeling, Analysis International Symp. on Modeling, Analysis and Simulation of Wireless and Mobile Systems - MSWIM, Torremolinos, Spain, Vol. 1, pp. 52 - 60, October, 2006.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; "Detecting Internet Applications Using Neural Networks", Proc IARIA International Conf. on Networking and Services - ICNS, Silicon Valey, United States, Vol. 1, pp. 1 - 10, June, 2006.
| BibTex

- Sargento, S.; Valadas, R.; "Cross-Traffic Estimation in IP Networks", Proc IFIP TC6 Networking Conf., Coimbra, Portugal, Vol. 1, pp. 1 - 1, May, 2006.
| BibTex

- Sargento, S.; Valadas, R.; "Capacity and Cross-Traffic Estimation of All Links in a Path Using ICMP Timestamps", Proc International Conf. on Networking - ICN, 1, Mauritius, Vol. 1, pp. 1 - 1, April, 2006.
| BibTex

- H.V. Veiga; Valadas, R.; Salvador, P.; Nogueira, A. N.; T.P. Pfeiffenberger; F.S. Strohmeier; "OWAMP Performance and Interoperability Tests", Proc International Workshop on Internet Performance, Simulation, Monitoring and Measurement - IPS-MOME, Salzburg, Austria, Vol. -, pp. - - -, February, 2006.
| BibTex

- Nogueira, A. N.; R. Oliveira; Salvador, P.; Valadas, R.; "Using Neural Networks to Classify Internet Users", Proc Advanced International Conf. on Telecommunications, Lisbon, Portugal, Vol. --, pp. -- - --, July, 2005.
| BibTex

- Nogueira, A. N.; R. Oliveira; Salvador, P.; Valadas, R.; A. Pacheco; "Classification of Internet users using discriminant analysis and neural networks", Proc Conf. on Computer Networks, Rome, Italy, Vol. 1, pp. 1 - 1, April, 2005.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; A. Pacheco; "Multilayer Markov modulated Poisson process for modeling self-similar traffic", Proc International Conf. on Telecommunications - ICT, Tomar, Portugal, Vol. 1, pp. 1 - 1, April, 2005.
| BibTex

- TP Pinho; Oliveira, J. L.; Valadas, R.; Salvador, P.; Nogueira, A. N.; "Implementação, validação e exploração do sistema de monitorização activa OWAMP", Proc Conf. sobre Redes de Computadores - CRC, Leiria, Portugal, Vol. ??, pp. ?? - ??, October, 2004.
| BibTex

- Salvador, P.; Nogueira, A. N.; Valadas, R.; A. Pacheco; "Multi-time-scale traffic modeling using Markovian and L-Systems models", Proc European Conf. on Universal Multiservice Networks - ECUMN, Porto, Portugal, Vol. 3262, pp. 297 - 306, October, 2004.
| BibTex

- Salvador, P.; Nogueira, A. N.; Valadas, R.; "Framework based on stochastic L-Systems for modeling IP traffic with multifractal behavior", Proc SPIE Conf. on Performance and Control of Next Generation Communication Networks, Orlando, United States, Vol. 5244, pp. 18 - 28, September, 2003.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; A. Pacheco; "Markovian approach for modeling IP traffic behavior on different time scales", Proc SPIE Conf. on Performance and Control of Next Generation Communication Networks, Orlando, United States, Vol. 5244, pp. 29 - 40, September, 2003.
| BibTex

- Salvador, P.; Nogueira, A. N.; Valadas, R.; "Joint Characterization of the Packet Arrival and Packet Size Processes of Multifractal Traffic based on Stochastic L-Systems", Proc International Teletraffic Congress, Berlin, Germany, Vol. cdrom, pp. cdrom - cdrom, August, 2003.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; A. Pacheco; "A Hierarchical Approach Based on MMPPs for Modeling Self-Similar Traffic over Multiple Time Scales", Proc International Working Conf. on Performance Modeling and Evaluation of Heterogeneuous Networks - HET-NETs, Ilkley, United Kingdom, Vol. 1, pp. 37/1 - 37/13, July, 2003.
| BibTex

- R. Oliveira; Valadas, R.; A. Pacheco; Salvador, P.; "Cluster Analysis of Internet Users Based on Hourly Traffic Utilization", Proc International Working Conf. on Performance Modeling and Evaluation of Heterogeneuous Networks - HET-NETs, Ilkley, West Yorkshire, United Kingdom, Vol. 1, pp. 37/1 - 37/13, July, 2003.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; A. Pacheco; "Modeling Self-Similar Traffic through Markov Modulated Poisson Processes over Multiple Time Scales", Proc IEEE International Conf. on High-Speed Networks and Multimedia Communications - HSNMC, Estoril, Portugal, Vol. 1, pp. 550 - 560, July, 2003.
| BibTex

- L. Gouveia; P. Patrício; Sousa, A. F.; Valadas, R.; "MPLS over WDM Network Design with Packet Level QoS Constraints based on ILP Models", Proc IEEE INFOCOM, San Francisco, United States, Vol. 1, pp. 576 - 586, April, 2003.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; "Modeling Network Traffic with Multifractal Behavior", Proc International Conf. on Telecommunications - ICT, Papeete, French Polynesia, Vol. II, pp. 1071 - 1077, February, 2003.
| BibTex

- Salvador, P.; Nogueira, A. N.; Valadas, R.; "Modeling Multifractal Traffic with Stochastic L-Systems", Proc IEEE Global Telecommunications Conf. - GLOBECOM, Taipei, Taiwan, Vol. Cdrom, pp. Cdrom - Cdrom, November, 2002.
| BibTex

- Sargento, S.; Valadas, R.; "Tradeoffs between Signaling and Resource Utilization in DiffServ Networks with Hierarchical Aggregation", Proc Joint International Workshops on Interactive Distributed Multimedia Systems and Protocols for Multimedia Systems - IDMS/PROMS., Coimbra, Portugal, Vol. 1, pp. 1 - 1, November, 2002.
| BibTex

- R. Salgado; Valadas, R.; Sargento, S.; Cadime, R.; J. Gonçalves; "A Demonstrator of an IP-based Access Network for Broadband Multimedia Services", Proc International Conf. on Telecommunication Systems, Modeling and Analysis - ICTSM, California, United States, Vol. N/A, pp. N/A - N/A, October, 2002.
| BibTex

- Salvador, P.; Nogueira, A. N.; Valadas, R.; "Modeling Multifractal IP Traffic: Characterization of Packet Arrivals and Packet Sizes using Stochastic L-Systems", Proc International Conf. on Telecommunication Systems, Modeling and Analysis - ICTSM, Monterey, United States, Vol. 2, pp. 577 - 587, October, 2002.
| BibTex

- Salvador, P.; Valadas, R.; A. Pacheco; "Multiscale Fitting Procedure for Markov Modulated Poisson Processes", Proc International Conf. on Telecommunication Systems, Modeling and Analysis - ICTSM, Monterey, United States, Vol. 1, pp. 304 - 318, October, 2002.
| BibTex

- Sargento, S.; Valadas, R.; "Performance of Hierarchical Aggregation in Differentiated Services Networks", Proc International Conf. on Telecommunication Systems, Modeling and Analysis - ICTSM, Monterey, United States, Vol. 1, pp. 1 - 1, October, 2002.
| BibTex

- Cardoso, L.; Patrão, J.; Sousa, A. F.; Valadas, R.; "Combining Node and Link Dimensioning for MPLS Networks", Proc International Telecommunication Network Strategy and Planning Symp. - Networks, Munich, Germany, Vol. 1, pp. 1 - 1, June, 2002.
| BibTex

- Sargento, S.; R. Salgado; M. Carmo; Marques, V.M.; Valadas, R.; "An Experimental Study of Probing-Based Admission Control for DiffServ Architectures", Proc IFIP TC6 Networking Conf., Pisa, Italy, Vol. 1, pp. 1 - 1, May, 2002.
| BibTex

- Aguiar, R. L.; Tavares, A.; Alves, L.N.A.; Valadas, R.; Santos, DMS; "A Test Bed for Wireless Optical LANs", Proc IEEE Conf. on Electronics, Circuits and System, Malta, Malta, Vol. 1, pp. 1 - 1, September, 2001.
| BibTex

- Sargento, S.; Valadas, R.; E. Knightly; "Resource Stealing in Endpoint Controlled Multi-class Networks", Proc International Workshop on Digital Communications , Taormina, Italy, Vol. 1, pp. 1 - 1, September, 2001.
| BibTex

- Salvador, P.; Valadas, R.; "A Framework based on Markov Modulated Poisson Processes for Modeling Traffic with Long-Range Dependence", Proc SPIE – Internet Performance and Control of Network Systems , Denver, United States, Vol. 4523, pp. 221 - 232, August, 2001.
| BibTex

- Lopes, C. B.; Sousa, A. F.; Valadas, R.; "Heuristics for dimensioning large-scale MPLS networks", Proc SPIE – Internet Performance and Control of Network Systems , Denver, Colorado, United States, Vol. 4523, pp. 27 - 34, August, 2001.
| BibTex

- Sargento, S.; Valadas, R.; J. Gonçalves; "IP Access Networks with QoS Support", Proc SPIE – Technologies, Protocols, and Services for Next-Generation Internet, Denver, United States, Vol. 1, pp. 1 - 1, August, 2001.
| BibTex

- Cardoso, L.; Patrão, J.; Lopes, C. B.; Sousa, A. F.; Valadas, R.; "PTPlan MPLS: A Tool for MPLS Network Dimensioning", Proc IEEE - International Symp. on Modeling, Analysis and Simulation of Computer and Telecommunication Systems, Cincinati, Ohio, United States, Vol. 1, pp. 1 - 1, August, 2001.
| BibTex

- Nogueira, A. N.; Valadas, R.; "Analysing the relevant time scales in a network of queues", Proc SPIE – Internet Performance and Control of Network Systems , Denver, United States, Vol. 4523, pp. 243 - 252, July, 2001.
| BibTex

- Salvador, P.; Valadas, R.; "Modelling A Fitting Procedure for Markov Modulated Poisson Processes with an Adaptive Number of States", Proc IFIP Working Conf. on Performance Modelling and Evaluation of ATM &IP Networks , Budapest, Hungary, Vol. 1, pp. 62 - 73, June, 2001.
| BibTex

- Cardoso, L.; Patrão, J.; Lopes, C. B.; Sousa, A. F.; Valadas, R.; "A Tool for MPLS Traffic Engineering", Proc Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. 10 - 14, April, 2001.
| BibTex

- Tavares, A.; Aguiar, R. L.; Valadas, R.; Santos, DMS; "Advanced Technologies for Infrared Wireless Indoor Local Area Networks", Proc International Conf. on Telecommunications - ICT, Figueira da Foz, Portugal, Vol. 1, pp. 68 - 72, April, 2001.
| BibTex

- Sargento, S.; Valadas, R.; E. Knightly; "Call Admission Control in IP networks with QoS support", Proc Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. 1 - 1, April, 2001.
| BibTex

- Sousa, A. F.; Valadas, R.; L. Gouveia; "Dimensioning ATM Networks using 2-Layer Hierarchical Virtual Path Layouts", Proc International Conf. on Telecommunication Systems, Modeling and Analysis - ICTSM, Dallas, Texas, United States, Vol. 1, pp. 496 - 505, March, 2001.
| BibTex

- Salvador, P.; Nogueira, A. N.; Valadas, R.; "Modelling Local Area Network Traffic with Markovian Traffic Models", Proc Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. , pp. - , March, 2001.
| BibTex

- Cardoso, L.; Lopes, C. B.; Sousa, A. F.; Valadas, R.; "A Tool for Multi-Hour ATM Network Design considering Mixed Peer-to-Peer and Client-Server based Services", Proc International Telecommunication Network Strategy and Planning Symp. - Networks, Toronto, Canada, Vol. 1, pp. 1 - 1, September, 2000.
| BibTex

- Nogueira, A. N.; Valadas, R.; "Analysing the Versatility of the 2-MMPP Traffic Model", Proc International Symp. on Communication Systems and Digital Signal Processing, Bornemouth, United Kingdom, Vol. 1, pp. 261 - 266, July, 2000.
| BibTex

- Sargento, S.; Valadas, R.; Sousa, A. F.; "Dimensioning Methodologies for the BBL (BroadbandLoop) and FSAN (Full Services Access Networks) Access Networks", Proc Broadband Access Conf., Krakow, Poland, Vol. 1, pp. 1 - 1, October, 1999.
| BibTex

- Nogueira, A. N.; Salvador, P.; Valadas, R.; "Fitting Algorithms for ATM Traffic Models", Proc Broadband Access Conf., Cracow, Poland, Vol. 1, pp. 167 - 174, October, 1999.
| BibTex

- Aguiar, R. L.; Tavares, A.; Cura, JLC; E. Vasconcelos; Alves, L.N.A.; Valadas, R.; Santos, DMS; "Considerations on the design of transceivers for wireless optical LANs", Proc IEE Colloquium on Optical Wireless Communications, London, United Kingdom, Vol. 2, pp. 1 - 17, June, 1999.
| BibTex

- Sargento, S.; Valadas, R.; Sousa, A. F.; "Dimensioning Methodologies for the BroadbandLoop Access Network", Proc European Conf. on Networks and Optical Communications - NOC, Delft, Netherlands, Vol. 1, pp. 1 - 1, June, 1999.
| BibTex

- Sousa, A. F.; Valadas, R.; Cardoso, L.; Duarte, A. M. O. D.; "ATM Network Dimensioning for Mixed Symmetrical and Asymmetrical Services with Dynamic Reconfiguration in a Multi-Network Provider Environment", Proc IFIP - Workshop on Traffic Management and Design of ATM Networks, London, United Kingdom, Vol. 1, pp. 5/1 - 5/15, April, 1999.
| BibTex

- Aguiar, R. L.; Valadas, R.; A. Moreira; C. Lomba; Tavares, A.; Sousa, A. F.; Duarte, A. M. O. D.; "Contribuições da Universidade de Aveiro para a Especificação da Rede de Área Local Não-Cablada IEEE 802.11", Proc Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 65 - 70, April, 1997.
| BibTex

   - Project Reports [1] 

- Cardoso, R.; Zúquete, A.; Freire, M.; Valadas, R.; "A Report on Security Concepts for Mobile and Wireless IP Networks, A State of the Art Report on Security for Mobile Users", IT, IST-2002-507613, December, 2004.

 


 
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