Search Results

Journal Papers

  1. N. Beijar, Zone Indexing: Optimizing the Balance between Searching and Indexing in a Loosely Structured Overlay, Computer Networks, vol. 54, no. 12, pp. 2041-2055, 2010 (bib)(abstract)
  2. M. Matuszewski, N. Beijar, J. Lehtinen and T. Hyyryläinen, Content sharing in mobile P2P networks: myth or reality?, Int. J. Mobile Network Design and Innovation, vol. 1, 3/4, pp. 197-207, Inderscience Enterprises Ltd, 2006 (link)(bib)(abstract)
  3. J. Costa-Requena, N. Beijar and R. Kantola, Replication of Routing Tables for Mobility Management in Ad Hoc Networks, Wireless Networks, vol. 10, no. 4, pp. 367-375, Kluwer, 2004 (link)(bib)(abstract)
  4. R. Kantola, J. Costa-Requena and N. Beijar, Interoperable routing for IN and IP Telephony, Computer Networks, vol. 35, no. 5, pp. 597-609, Elsevier, 2001 (bib)

Conference Papers

  1. N. Beijar, Index Distribution in a Group-Based Resource Sharing Application, in The 3rd International Conference on Collaborative Computing: Networking, Applications and Worksharing, CollaborateCom 2007, 2007, New York, USA (bib)
  2. N. Beijar, Extending Parallel Index Clustering for Multi-Operator Mobile Peer-to-Peer Services, in The 4th IEEE International Conference on Broadband Communications, Networks, and Systems, IEEE Broadnets 2007, 2007, Raleigh, North Carolina, USA (bib)
  3. M. Matuszewski, N. Beijar, J. Lehtinen and T. Hyyryläinen, Understanding Attitudes Towards Mobile Peer-to-peer Content Sharing Services, in IEEE International Conference on Portable Information Devices, PORTABLE07, pp. 1 - 5, 2007, Orlando, Florida, USA (bib)
  4. M. Matuszewski, M. A. Garcia-Martin, N. Beijar and J. Lehtinen, Resource Sharing and Discovery on Top of IMS, in IEEE Consumer Communications and Networking Conference, CCNC2007, 2007, Las Vegas, Nevada, USA (bib)
  5. J. Costa-Requena, T. Vadar, R. Kantola and N. Beijar, AODV-OLSR scalable ad hoc routing proposal, in 1st International Symposium on Wireless Pervasive Computing, 2006, 2006 (bib)(abstract)
  6. M. Matuszewski, N. Beijar, J. Lehtinen and T. Hyyryläinen, Mobile Peer-to-Peer Content Sharing Application, in IEEE Consumer Communications and Networking Conference, CCNC2006, 2006, Las Vegas, Nevada, USA (bib)
  7. J. Costa-Requena, R. Kantola and N. Beijar, Incentive Problem for Ad Hoc Networks Scalability, in International Conference on Networking and Services (ICNS'05), 2005, Papeete, Tahiti, French Polynesia (bib)
  8. N. Beijar, R. Kantola and J. Costa-Requena, A Lightweight Clustering Algorithm for Utilizing Capacity Heterogeneity in Ad Hoc Networks, in The Fourth Annual Mediterranean Ad Hoc Networking Workshop, Med-Hoc-Net 2005, 2005, Īle de Porquerolles, France (bib)
  9. J. Costa-Requena, M. Ayyash, J. Creado, J. Häkkinen, R. Kantola and N. Beijar, VoIP Testbed in Ad Hoc Networks, in IEEE ICPS Workshop on Multi-hop Ad hoc Networks (RealMan): from theory to reality, 2005, Santorini, Greece (bib)
  10. J. Costa-Requena, R. Kantola and N. Beijar, Ad Hoc Networks Scalability, in ICAS'05 and ICNS'05 Conferences, 2005, Papeete, Tahiti, French Polynesia (bib)
  11. N. Beijar, M. Matuszewski, J. Lehtinen and T. Hyyryläinen, Mobile Peer-to-Peer Content Sharing Services in IMS, in The International Conference on Telecommunication Systems, Modeling and Analysis 2005, ICTSM2005, 2005, Dallas, Texas, USA (bib)
  12. J. Costa-Requena, J. Gutiérrez, R. Kantola, J. Creado and N. Beijar, Network Architecture for Scalable Ad Hoc Networks, in The 11th International Conference on Telecommunications, ICT2004, 2004, Fortaleza, Ceará, Brazil (bib)
  13. J. Costa-Requena, R. Kantola, J. Creado and N. Beijar, Strategies for the Formation of a Service Distribution Backbone in Ad Hoc Networks, in The IASTED International Conference on Communications, Internet and Information Technology (CIIT 2004), 2004, St. Thomas, Virgin Islands, USA (bib)
  14. J. Costa-Requena, I. O. Gonzalez, R. Kantola and N. Beijar, Autoconfiguration mechanism for IP telephony location servers, in 6th International Symposium on Communication Networking, 2002, Perth, Australia (bib)
  15. J. Costa-Requena, N. Beijar and R. Kantola, Replication of routing tables for mobility management in ad hoc networks, in The First Annual Mediterranean Ad Hoc Networking Workshop, Med-Hoc-Net 2002, 2002, Chia, Sardegna, Italy (bib)
  16. J. Costa-Requena, N. Beijar and R. Kantola, Mobility and network management in ad hoc networks, in IASTED International conference, 2002, Malága, Spain (bib)
  17. R. Kantola, J. Costa-Requena and N. Beijar, A Common Numbering Infrastructure for IN and IP Telephony, in IN2000, 2000, Cape Town, South Africa (bib)
  18. R. Kantola, J. Costa-Requena and N. Beijar, SIP 200 beyond H.323, in Media Gateway Control 99 Conference, 1999, Paris, France (bib)
  19. R. Kantola, J. Costa-Requena and N. Beijar, An Architecture for an SCN IP Telephony Routing Testbed, in The first IP Telephony Workshop, 1999, Berlin, Germany (bib)

Technical Documents

  1. N. Beijar, K. Ahola and S. Ruponen, Technical Report on Connectivity Challenges and Solutions, ICT-SHOK Future Internet, Deliverable D1.3.1, 2010 (bib)
  2. N. Beijar, Introduction to the Python Overlay Network Graphical Simulator (PONGsim), 2009 (bib)
  3. N. Beijar, Scenarios for P2P-SIP - IMS gateways, 2007 (bib)

Theses

  1. N. Beijar, Telephony Routing with Support for Number Portability in Interconnected Circuit and Packet Switched Networks, Licentiate thesis, Helsinki University of Technology, 2004 (pdf)(bib)(abstract)
  2. N. Beijar, Distribution of Numbering Information in Interconnected Circuit and Packet Switched Networks, Master's thesis, Helsinki University of Technology, 2002 (pdf)(bib)(abstract)

Books

  1. E. Harjula, J. Hautakorpi and N. Beijar, Peer-to-Peer SIP for Mobile Computing: Challenges and Solutions, Mobile Peer-to-Peer Computing for Next Generation Distributed Environments: Advancing Conceptual and Algorithmic Applications, IGI Publishing, 2008 (bib)(abstract)
  2. N. Beijar, R. Kantola and J. Costa-Requena, A Lightweight Clustering Algorithm for Utilizing Capacity Heterogeneity in Ad Hoc Networks, Challenges in Ad Hoc Networking, Springer, 2006 (bib)

Other Documents

  1. N. Beijar, Zone Routing Protocol (ZRP), in Ad Hoc Networking, Licentiate course on Telecommunications Technology, 2002 (pdf)(bib)
  2. N. Beijar, TRIP, ENUM and Number Portability, in IP Telephony Protocols, Architectures and Issues, Licentiate course on Telecommunications Technology, 2001 (pdf)(bib)
  3. N. Beijar, Signaling Protocols for Internet Telephony - Architectures Based on H.323 and SIP, Special Assignment, 1998 (pdf)(bib)