Search Results

Submitted Papers

  1. N. Raatikainen, S. Tarkoma, P. Savolainen, S. Aalto and P. Lassila, P2P Video-on-Demand: Steady State and Scalability, 2009, submitted (bib)(abstract)
  2. S. Aalto and P. Lassila, Flow-level stability and performance of channel-aware priority-based schedulers, 2009, submitted (bib)(abstract)

Journal Papers

  1. P. Lassila, A. Penttinen and J. Virtamo, Dimensioning of data networks: a flow-level perspective, European Transactions on Telecommunications, vol. 20, pp. 549-563, 2009 (bib)(abstract)
  2. P. Lassila and P. Kuusela, Performance of TCP on low-bandwidth wireless links with delay spikes, European Transactions on Telecommunications, vol. 19, no. 6, pp. 653-667, 2008 (pdf)(bib)(abstract)
  3. E. Hyytiä, P. Lassila and J. Virtamo, Spatial Node Distribution of the Random Waypoint Mobility Model with Applications, IEEE Transactions on Mobile Computing, vol. 5, no. 6, pp. 680-694, 2006 (pdf)(bib)(abstract)
  4. V. Sharma, J. Virtamo and P. Lassila, Performance Analysis of the Random Early Detection Algorithm, Probability in the Engineering and Informational Sciences, vol. 16, no. 3, pp. 367-388, 2002 (bib)
  5. P. Lassila and J. Virtamo, Nearly Optimal Importance Sampling for Monte Carlo Simulation of Loss Systems, ACM Transactions on Modeling and Computer Simulation, vol. 10, no. 4, pp. 326-347, 2000 (link)(bib)
  6. P. Lassila and J. Virtamo, Variance Reduction in Monte Carlo Simulation of Product Form Systems, IEE Electronics Letters, vol. 34, no. 12, 1998 (link)(bib)(abstract)

Conference Papers

  1. J. Nousiainen and P. Lassila, Approximating Maximum Directed Flow in a Large Wireless Network, in IEEE ICC, pp. 1-6, 2009, Dresden, Germany (bib)(abstract)
  2. J. Nousiainen, J. Virtamo and P. Lassila, Maximum Weight Independent Sets in an Infinite Plane, in 21st International Teletraffic Congress (ITC 21), 2009, Paris, France (bib)(abstract)
  3. J. Nieminen, J. Karvo, P. Lassila and M. Peuhkuri, Impact of Heterogeneous Packet Sizes on Flow Fairness, in Proceedings of 16th International Conference on Telecommunications (ICT), 2009, Marrakech, Morocco, to appear (bib)(abstract)
  4. J. Nousiainen, J. Virtamo and P. Lassila, Forwarding Capacity of an Infinite Wireless Network, in Proceedings of ACM MSWiM, pp. 177-184, 2008, Vancouver, Canada (pdf)(bib)(abstract)
  5. P. Lassila and S. Aalto, Combining opportunistic and size-based scheduling in wireless systems, in Proceedings of ACM MSWiM, pp. 323-332, 2008, Vancouver, CA (pdf)(bib)(abstract)
  6. P. Lassila, A. Penttinen and J. Virtamo, Dimensioning methods for data networks with flow-level QoS requirements, in Proceedings of 32nd IEEE Conference on Local Computer Networks (LCN), pp. 353-359, 2007, Dublin, Ireland (pdf)(bib)(abstract)
  7. S. Aalto and P. Lassila, Impact of size-based scheduling on flow level performance in wireless downlink data channels, in Proceedings of 20th International Teletraffic Congress (ITC-20), pp. 1096-1107, 2007, Ottawa, Canada (pdf)(bib)(abstract)
  8. E. Hyytiä, P. Lassila and J. Virtamo, A Markovian Waypoint Mobility Model with Application to Hotspot Modeling, in Proceedings of IEEE ICC 2006, 2006 (pdf)(bib)(abstract)
  9. O. Apilo, P. Lassila and J. Virtamo, Performance of Local Forwarding Methods for Geographic Routing in Large Ad Hoc Networks, in Proceedings of The Fifth Annual Mediterranean Ad Hoc Networking Workshop (Med-Hoc-Net 2006), 2006, Lipari, Italy (pdf)(bib)(abstract)
  10. P. Lassila, A. Penttinen and J. Virtamo, Dimensioning of wireless mesh networks with flow-level QoS requirements, in The 3rd ACM International Workshop on Performance Evaluation of Wireless Ad Hoc, Sensor, and Ubiquitous Networks (PE-WASUN 2006), 2006, Torremolinos, Spain (pdf)(bib)
  11. J. Kilpi and P. Lassila, Micro- and macroscopic analysis of RTT variability in GPRS and UMTS network, in Proceedings of Networking 2006, pp. 1176-1181, 2006, Coimbra, Portugal (bib)(abstract)
  12. P. Lassila, E. Hyytiä and H. Koskinen, Connectivity Properties of Random Waypoint Mobility Model for Ad Hoc Networks, in Proceedings of The Fourth annual Mediterranean workshop on Ad Hoc Networks (Med-Hoc-Net 2005), pp. 159-168, 2005, Île de Porquerolles, France (pdf)(bib)(abstract)
  13. E. Hyytiä, P. Lassila, A. Penttinen and J. Roszik, Traffic Load in Dense Wireless Multihop Network, in The 2nd ACM International Workshop on Performance Evaluation of Wireless Ad Hoc, Sensor, and Ubiquitous Networks (PE-WASUN 2005), pp. 9-17, 2005, Montreal, Qc. Canada (pdf)(bib)(abstract)
  14. R. Boucherie and P. Lassila, Efficient estimation of blocking probabilities in non-stationary loss networks, in Proceedings of 19th International Teletraffic Congress (ITC-19), pp. 1707-1716, 2005, Beijing, China (pdf)(bib)(abstract)
  15. P. Lassila and M. Mandjes, A multi-level TCP model with heterogeneous RTTs, in Proceedings of Networking 2004, pp. 52-63, 2004, Athens, Greece (pdf)(bib)(abstract)
  16. P. Kuusela and P. Lassila, Modeling the impact of delay spikes on TCP performance on a low bandwidth GPRS wireless link, in Proceedings of 16th ITC Specialist Seminar, pp. 241-248, 2004, Antwerpen, Belgium (pdf)(bib)(abstract)
  17. P. Lassila, H. van den Berg, M. Mandjes and R. Kooij, An integrated packet/flow model for TCP performance analysis, in Proceedings of ITC-18, pp. 651-660, 2003, Berlin, Germany (pdf)(bib)(abstract)
  18. P. Lassila, J. Karvo and J. Virtamo, Efficient Importance Sampling for Monte Carlo Simulation of Multicast Networks, in Proceedings of IEEE INFOCOM, pp. 432-439, 2001, Anchorage, Alaska (pdf)(bib)
  19. P. Kuusela, P. Lassila, J. Virtamo and P. Key, Modeling RED with Idealized TCP Sources, in Proceedings of IFIP ATM & IP 2001, pp. 155-166, 2001, Budapest, Hungary (pdf)(bib)
  20. P. Kuusela, P. Lassila and J. Virtamo, Stability of TCP-RED Congestion Control, in Proceedings of ITC-17, pp. 655-666, Elsevier, 2001, Salvador da Bahia, Brazil (link)(bib)
  21. P. Lassila and J. Virtamo, Inverse convolution approach to importance sampling in Monte Carlo simulation of loss systems, in Proceedings of the 15th Nordic Teletraffic Seminar, pp. 161-172, 2000, Lund, Sweden (pdf)(bib)
  22. P. Lassila and J. Virtamo, Modeling the dynamics of the RED algorithm, in Proceedings of Quality of Future Internet Services (QofIS), pp. 28-42, Sringer-Verlag, 2000, Berlin, Germany (link)(bib)
  23. P. Lassila and J. Virtamo, Efficient Importance Sampling for Monte Carlo Simulation of Loss Systems, in Proceedings of ITC-16, pp. 787-796, Elsevier, 1999, Edinburgh, England (link)(bib)
  24. P. Lassila and J. Virtamo, Efficient Monte Carlo Simulation of Product Form Systems, in Fourteenth Nordic Teletraffic Seminar, NTS-14, pp. 355-366, 1998, Copenhagen, Denmark (pdf)(bib)(abstract)
  25. P. Lassila and J. Virtamo, Using Gibbs Sampler in Simulating Multiservice Loss Systems, in Performance of Information and Communications Systems '98 (arranged by IFIP TC6 WG6.3), 1998, Lund, Sweden (bib)(abstract)

Technical Documents

  1. P. Lassila and A. Penttinen, Survey on performance analysis of cognitive radio networks, Helsinki University of Technology, 2008 (pdf)(bib)(abstract)
  2. T. Huovila, P. Lassila, J. Manner and A. Penttinen, State of the Art Analysis of Wireless Mesh Technologies 2006, Helsinki University of Technology, 2006 (pdf)(bib)(abstract)
  3. M. Ilvesmäki, R. Kantola, M. Luoma, M. Peuhkuri, S. Aalto, P. Lassila and H. Hämmäinen, IRoNet - final technical report, HUT, Networking Laboratory, 2005 (pdf)(bib)
  4. P. Lassila and J. Virtamo, Dimensioning of wireless mesh networks with flow-level QoS requirements, Networking Laboratory, Helsinki University of Technology, 2005 (bib)(abstract)
  5. P. Lassila and J. Virtamo, Access network dimensioning for elastic traffic based on flow-level QoS, Networking Laboratory, Helsinki University of Technology, 2005 (pdf)(bib)(abstract)
  6. E. Hyytiä, P. Lassila, L. Nieminen and J. Virtamo, Spatial Node Distribution in the Random Waypoint Mobility Model, COST279, TD(04)029, 2004 (pdf)(bib)(abstract)
  7. P. Lassila and J. Virtamo, Nearly Optimal Importance Sampling for Monte Carlo Simulation of Loss Systems, COST257, TD(00), 2000 (pdf)(bib)(abstract)
  8. P. Lassila and J. Virtamo, Importance Sampling for Monte Carlo Simulation of Loss Systems, COST257, TD(98)49, 1998 (pdf)(bib)(abstract)
  9. P. Lassila and J. Virtamo, Using Gibbs Sampler in Simulating Multiservice Loss Networks, COST257, TD(98)19, 1998 (pdf)(bib)(abstract)
  10. P. Lassila, J. Virtamo and S. Aalto, Two approaches to simulating loss networks, COST257, TD(97)30, 1997 (pdf)(bib)(abstract)
  11. P. Lassila and J. Virtamo, Regenerative Simulation Analysis for Loss Systems: Single Link and Single Traffic Type Case, COST257, TD(97)43, 1997 (pdf)(bib)(abstract)

Theses

  1. P. Lassila, Methods for network performance evaluation: fast simulation of loss systems and analysis of Internet congestion control, Ph.D. thesis, Laboratory Report Series, Networking Laboratory, 3/2001, 2001 (link)(bib)
  2. P. Lassila, Efficient simulation techniques for multiservice loss systems, Licentiate thesis, Helsinki University of Technology, Networking Laboratory, 1999 (pdf)(bib)(abstract)

Books

  1. P. Lassila, E. Nyberg and J. Virtamo (eds.), The sixteenth Nordic teletraffic seminar NTS-16, 2002, Espoo, Finland (bib)

Other Documents

  1. O. Apilo, E. Hyytiä, H. Koskinen, P. Lassila, A. Penttinen and J. Virtamo, Wireless Multihop Networks, 2006, Presentation slides, Wireless Ad Hoc and Sensor Networks for Security Applications, Helsinki University of Technology, May 22, 2006 (bib)
  2. P. Lassila, Performance Challenges in Wireless Mesh Networks, 2006, Presentation slides, IST Summit 2006 - Strategies for Leadership: Workshop on "Wireless Networks in the Next Decade", Helsinki, November 21-23, 2006 (pdf)(bib)
  3. A. Ganguly and P. Lassila, A study of TCP-RED congestion control using NS2, Internal report, Networking Laboratory, Helsinki University of Technology, 2001 (pdf)(bib)
  4. J. Hlinovsky and P. Lassila, Efficient implementation of a loss system simulator in C, Internal report, Networking Laboratory, 1999 (bib)