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Research Project: Q-WING: Quality of Service in the Wireless Internet Next Generation
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2009

Westberg, L. and Eriksson, A. and Karagiannis, G. and Heijenk, G.J. and Rexhepi, V. and Partain, D. (2009) Dynamic QoS management in Differentiated Services using bandwidth brokers, RSVP aggregation and load control protocols. Patent EP1312226 (Assigned).

2008

Karagiannis, G. and Heijenk, G.J. and El Malki, K. and Soliman, H. (2008) Seamless handoff in Mobile IP. Patent US7353027 (Assigned).

2006

El Allali, H. and Heijenk, G.J. and Lo, A. and Niemegeers, I.G.M.M. (2006) A measurement-based admission control algorithm for resource management in diffserv IP networks. In: Proceedings 17th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC'06)., 11-14 September 2006, Helsinki, Finland. pp. 1-5. IEEE Computer Society. ISBN 1-4244-0330-8
Heijenk, G.J. (2006) System and method for fair, channel-dependent scheduling for wireless systems. Patent US7126927 (Application).

2005

Ait Yaiz, R. and Heijenk, G.J. (2005) Providing QoS in Bluetooth. Cluster Computing, 8 (2-3). pp. 223-231. ISSN 1386-7857 *** ISI Impact 1,514 ***
Bader, A. and Karagiannis, G. and Westberg, L. and Kappler, C. and Phelan, T. and Tschofenig, H. and Heijenk, G.J. (2005) QoS signaling across heterogeneous wired/wireless networks: resource management in diffserv using the NSIS protocol suite. In: Proceedings Second International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks, QSine 2005, 22 - 24 Aug 2005, Orlando, Florida, USA. 51. IEEE Computer Society. ISBN 0-7695-2423-0
Karagiannis, G. and Rexhepi, V. (2005) Jitter reduction in Differentiated Services (Diffserv) networks. Patent US6973102 (Assigned).
Lo, A. and Heijenk, G.J. and Niemegeers, I.G.M.M. (2005) Performance evaluation of MPEG-4 video streaming over UMTS networks using an integrated tool environment. In: Proceedings 2005 International Symposium on Performance Evaluation of Computer and Telecommunication Systems, SPECTS 2005, 24 - 28 July 2005, Philadelphia, PA, USA. pp. 676-682. The Society for Modeling & Simulation International (SCS). ISBN 1-56555-300-4
Lo, A. and Heijenk, G.J. and Niemegeers, I.G.M.M. (2005) Evaluation of MPEG-4 video streaming over UMTS/WCDMA dedicated channels. In: Proceedings First International Conference on Wireless Internet, WICON'05, 10 - 15 July 2005, Budapest, Hungary. pp. 182-189. IEEE Computer Society. ISBN 0-7695-2382-X

2004

Ait Yaiz, R. (2004) Intra-piconet scheduling in Bluetooth. PhD thesis, University of Twente. CTIT Ph.D.-thesis series No. 04-62 ISBN 90-365-2049-5
Lo, A. and Heijenk, G.J. and Niemegeers, I.G.M.M. (2004) The impact of UMTS/WCDMA channel round-trip time variations on TCP Vegas throughput. In: Proceedings 13th International Conference on Computer Communications and Networks, ICCCN 2004, 11 - 13 Oct 2004, Chicago, USA. pp. 67-72. IEEE Computer Society. ISSN 1095-2055 ISBN 0-7803-8814-3
Lo, A. and Heijenk, G.J. and Niemegeers, I.G.M.M. (2004) On the performance of TCP Vegas over UMTS/WCDMA channels with large round-trip time variations. In: Proceedings IFIP TC6 9th International Conference on Personal Wireless Communications, PWC 2004, 21 - 23 Sep 2004, Delft, The Netherlands. pp. 330-342. Lecture Notes in Computer Science 3260. Springer-Verlag. ISSN 0302-9743 ISBN 3-540-23162-5
Oosthoek, S. and Jacobsson, M. and Karagiannis, G. (2004) Maintenance of sliding window aggregated state using combination of soft state and explicit release principles. Patent US6687655 (Assigned).

2003

Ait Yaiz, R. and Heijenk, G.J. (2003) Providing delay guarantees in Bluetooth. In: Proceedings 23rd International Conference on Distributed Computing Systems Workshops, ICDCSW 2003, 19-22 May 2003, Providence, Rhode Island, USA. pp. 722-728. IEEE Computer Society. ISBN 0-7695-1921-0
de Bruin, I. and Heijenk, G.J. and El Zarki, M. and Zan, J.L. (2003) Fair channel-dependent scheduling in CDMA systems. In: Proceedings IST Mobile & Wireless Communications Summit 2003, 15 - 18 Jun 2003, Aveiro, Portugal. pp. 737-741. ISBN 972-98368-1-7
Lo, A. and Heijenk, G.J. and Bruma, C. (2003) Performance of TCP over UMTS common and dedicated channels. In: Proceedings IST Mobile & Wireless Communications Summit 2003, 15 - 18 Jun 2003, Aveiro, Portugal. pp. 138-142. ISBN 972-98368-1-7
Zan, J.L. and Heijenk, G.J. and El Zarki, M. (2003) Fair & power-efficient channel-dependent scheduling for CDMA packet networks. In: Proceedings of the International Conference on Wireless Networks, ICWN 2003, 23 - 26 Jun 2003, Las Vegas, USA. pp. 315-321. ISBN 1-932415-03-3
Zan, J.L. and Heijenk, G.J. and El Zarki, M. (2003) A real-time traffic scheduling algorithm in CDMA packet networks. In: Proceedings 14th IEEE 2003 International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2003, 7 - 10 Sep 2003, Beijing, China. pp. 2397-2401. IEEE Computer Society. ISBN 0-7803-7822-9

2002

Ait Yaiz, R. and Heijenk, G.J. (2002) Polling best effort traffic in Bluetooth. Wireless Personal Communications, 23 (1). pp. 195-206. ISSN 0929-6212 *** ISI Impact 0,701 ***
El Allali, H. and Heijenk, G.J. (2002) Traffic characterization for a UMTS radio access network. In: Proceedings of the 2002 4th International Workshop on Mobile and Wireless Communications Network, MWCN 2002, 9 - 11 Sep 2002, Stockholm, Sweden. pp. 497-501. IEEE Computer Society. ISBN 0-7803-7605-6
Heijenk, G.J. (2002) System and method for fair, channel-dependent scheduling for wireless systems. Patent US20020094311 (Application).
Heijenk, G.J. and Ait Yaiz, R. (2002) Predictive fair polling mechanism in a wireless access scheme. Patent WO 02/33986 (Application).
Jacobsson, M. and Oosthoek, S. and Karagiannis, G. (2002) Resource Management in Differentiated Services: A Prototype Implementation. In: Seventh International Symposium on Computers and Communications (ISCC'02), 1-4 July 2002, Taormina–Giardini Naxos, Italy. pp. 21-28. IEEE Computer Society. ISSN 1530-1346 ISBN 0-7695-1671-8
Westberg, L. and Heijenk, G.J. and Karagiannis, G. and Oosthoek, S. and Partain, D. and Rexhepi, V. and Szabó, R. and Wallentin, P. and El Allali, H. (2002) Resource management in Diffserv measurement-based admission control PHR. Internet Draft draft-westberg-rmd-mbac-phr-00 Internet Engineering Task Force.

2001

Ait Yaiz, R. and Heijenk, G.J. (2001) Polling best effort traffic in Bluetooth. In: Proceedings Fourth International Symposium on Wireless Personal Multimedia Communications, WPMC'01, 9 - 12 Sep 2001, Aalborg, Denmark. pp. 1381-1386. Center for Personkommunikation. ISBN 87-988568-0-4
Ait Yaiz, R. and Heijenk, G.J. (2001) Polling in Bluetooth: a simplified best effort case. In: Proceedings 7th annual CTIT Workshop - Mobile Communications in Perspective, 8 Feb 2001, Enschede, The Netherlands. pp. 91-96. Centre for Telematics and Information Technology University of Twente. ISBN 90-3651-546-7
El Allali, H. and Heijenk, G.J. (2001) Resource management in IP-based radio access networks. In: Proceedings 7th annual CTIT Workshop - Mobile Communications in Perspective, 8 Feb 2001, Enschede, The Netherlands. pp. 19-24. Centre for Telematics and Information Technology University of Twente. ISBN 90-3651-546-7
Heijenk, G.J. and Karagiannis, G. and Rexhepi, V. and Westberg, L. (2001) DiffServ resource management in IP-based radio access networks. In: Proceedings Fourth International Symposium on Wireless Personal Multimedia Communications, WPMC'01, 9 - 12 Sep 2001, Aalborg, Denmark. pp. 1469-1474. Center for Personkommunikation. ISBN 87-988568-0-4
Karagiannis, G. and Heijenk, G.J. and El Malki, K. and Soliman, H. (2001) Seamless handoff in Mobile IP. Patent US20010084879 (Application).
Karagiannis, G. and Rexhepi, V. (2001) Jitter reduction in Differentiated Services (Diffserv) networks. Patent US20010895527 (Application).
Westberg, L. and Eriksson, A. and Karagiannis, G. and Heijenk, G.J. and Rexhepi, V. and Partain, D. (2001) Dynamic QoS management in Differentiated Services using bandwidth brokers, RSVP aggregation and load control protocols. Patent WO2001SE01693 (Application).
van der Zee, M. and Heijenk, G.J. (2001) Method and system for transmitting data. Patent WO2001EP09681 (Application).
van der Zee, M. and Heijenk, G.J. (2001) Quality of Service in Bluetooth networking - part I. Technical Report TR-CTIT-01-01, Centre for Telematics and Information Technology University of Twente, Enschede. ISSN 1381-3625

2000

Karagiannis, G. and Heijenk, G.J. (2000) QoS in GPRS. Technical Report TR-CTIT-00-29, Centre for Telematics and Information Technology University of Twente, Enschede. ISSN 1381-3625
Karagiannis, G. and Heijenk, G.J. (2000) Mobility support for ubiquitous Internet. Technical Report TR-CTIT-00-28, Centre for Telematics and Information Technology University of Twente, Enschede. ISSN 1381-3625
Karagiannis, G. and Rexhepi, V. and Heijenk, G.J. (2000) A framework for QoS & mobility in the Internet next generation. Technical Report TR-CTIT-00-10, Centre for Telematics and Information Technology University of Twente, Enschede. ISSN 1381-3625
Rexhepi, V. and Heijenk, G.J. (2000) Interoperability of Integrated Services and Differentiated Services architectures. Technical Report TR-CTIT-00-30, Centre for Telematics and Information Technology University of Twente, Enschede. ISSN 1381-3625
Rexhepi, V. and Karagiannis, G. and Heijenk, G.J. (2000) A framework for QoS & mobility in the Internet next generation. In: Proceedings 6th Open European Summerschool, Eunice 2000, 13 - 15 Sep 2000, Enschede, The Netherlands. pp. 77-84. University of Twente. ISBN 90-3651-498-3

1999

Heijenk, G.J. (1999) Mobile IP. (Invited) In: Proceedings 5th Open European Summerschool, Eunice 1999, 1 - 3 Sep 1999, Barcelona, Spain. 207. Universitat Politecnica de Catalunya. ISBN 84-7653-717-4
Karagiannis, G. and Heijenk, G.J. (1999) Mobile IP: state of the art report. Technical Report TR-CTIT-99-21, Centre for Telematics and Information Technology University of Twente, Enschede. ISSN 1381-3625
van der Zee, M. and Ait Yaiz, R. and Heijenk, G.J. (1999) Quality of Service over Specific Link Layers: state of the art report. Technical Report TR-CTIT-99-22, Centre for Telematics and Information Technology University of Twente, Enschede. ISSN 1381-3625
van der Zee, M. and Heijenk, G.J. (1999) Quality of Service routing: state of the art report. Technical Report TR-CTIT-99-20, Centre for Telematics and Information Technology University of Twente, Enschede. ISSN 1381-3625