- P. I. Philippopoulos, C. E. Georgopoulos, E.D. Sykas, "QoS Interpretation in 3rd Generation Wireless/Mobile Systems", Proceedings of the 49th IEEE Vehicular Technology Conference (VTC'99 spring), Texas, USA, May 16-19, 1999
- E.D. Sykas, J.A. Korinthios, P.I. Philippopoulos, "Efficient Location Finding Utilising Routing Functionality in 3rd Generation Wireless/Mobile Systems", Proceedings of the 50th IEEE Vehicular Technology Conference (VTC'99 fall), pp. 983-987, Amsterdam, The Netherlands, Sept. 19-22, 1999
- Lampros Raptis, Fotis Karayannis, Joan Serrat, Panos Philippopoulos, Giorgos Chatzilias, Dimitris Chronis, “Provisioning of integrated IP over WDM services through the management plane”, Proceedings of the 15th IEEE International Conference on Communication (ICC 2001), New York city, USA, April 28 – May 2, 2001
- Tasos Dagiuklas, Panos Philippopoulos, “VHE Provisioning in 3G Mobile Networks”, Proceedings of the 53rd IEEE Vehicular Technology Conference (VTC'01 spring), Rhodes, Greece, May 6-9, 2001
- Lampros Raptis, Fotis Karayannis, Joan Serrat, Kostas Vaxevanakis, Alex Galis, Pablo Arozarena, Nikos Vardalachos, Giorgos Chatzilias, Dimitris Chronis, Roberto Garcia, Willem Romijn, Panos Philippopoulos, Yiorgos Patikis, Daniel Josef, Anat Schwartz, Theodore Zahariadis, “Integrated Management of IP over Optical Transport Networks”, Proceedings of the IEEE International Conference on Telecomm/s (ICT 2001), Bucharest, Romania, June 4-7, 2001
- Panos Philippopoulos, Alexandros Kaloxylos, Tasos Dagiuklas, “3G Network & Service Provision Architecture Evolutions”, Proceedings of the 1st IEEE International Symposium on 3G infrastructure (3GIS 2001), pp. 166-170, Athens, Greece, July 2-3, 2001
- Dimitris K. Drakoulis, Panos Philippopoulos, “An Integrated Network & Terminal Centric Approach for Locating / Positioning 3G Mobile Terminals”, Proceedings of the 1st IEEE International Symposium on 3G infrastructure (3GIS 2001), pp. 260-265, Athens, Greece, July 2-3, 2001
- Lampros Raptis, Panos Philippopoulos, Fotis Karayannis, Giorgos Khatzilias, Giorgos Patikis, Michalis Ellinas, “An Integrated Approach for the Management of IP connectivity over WDM transport networks”, Proceedings of the Conference on Telecommunications (Telecom’01), Varna, Bulgaria, October 10-12, 2001
- B.G.Evans, M.Mazzella, G.E.Corazza, A.Polydoros, I.Mertzanis, P.Philippopoulos, W.De Win, “Service Scenarios and System Architecture for SATellite UMTS IP Based Network (SATIN)”, Proceedings of the 20th AIAA International Communication Satellite Systems Conference (AIAA ICSSC 2002), Montreal, Canada, May 12-15, 2002
- M. Karaliopoulos, I. Andrikopoulos, P. Henrio, P. Philippopoulos, B. Evans, “The Multicast Element in SATIN: from services to implementation”, Proceedings of the 2002 IST Mobile & Wireless Telecommunications Summit, pp. 788-792, Thessaloniki, Greece, June 16-19, 2002
- Philippopoulos, P., Fournogerakis, P., Fikouras, I., Fikouras, N., & Görg, C. , “NOMAD: Integrated Networks for Seamless and Transparent Service Discovery”, Proceedings of the IST Mobile & Wireless Telecommunications Summit, Thessaloniki, Greece, June 16-19, 2002
- L.Zaccheo, T.Severijns, W.De Win, M.Dieudonne, M.Karaliopoulos, K.Narenthiran, B.G.Evans, M.Mazzella, G.E.Corazza, A.Polydoros, I.Mertzanis and P.Philippopoulos, “SATIN Multicast/Broadcast Oriented Architecture and S/T-UMTS Terminal and Network Level Integration”, Proceedings of the 5th IEEE European Workshop on Mobile/Personal Satcoms (EMPS 2002), pp.77-84, Baveno-Stresa, Lake Maggiore, Italy, September 25-26, 2002
- Panos Philippopoulos, Nikos Panagiotarakis, Ioannis Mertzanis, Ilias Andrikopoulos, “A Business Case for S-UMTS”, Proceedings of the 5th IEEE European Workshop on Mobile/Personal Satcoms (EMPS 2002), pp. 19-26, Baveno-Stresa, Lake Maggiore, Italy, September 25-26, 2002
- Kai-Oliver Detken, Ioannis Fikouras, Panos Philippopoulos, “Service Discovery Integrated Network Platform”, Converged Networking IFIP (International Federation for Information Processing) Volume 119, 2003, pp 79-90 (originally published in Proceedings of the 6th International Symposium on Communications Interworking, Perth, Australia, October 13-16, 2002)
- P.Philippopoulos, I.Fikouras, N.A.Fikouras, N.Panagiotarakis, C.Mentrup, P.Fournogerakis, “Integrated Networks featuring Transparent Discovery & Seamless Provision of Services”, Proceedings of the 12th e-Business and e-Work Conference (e2002), pp. 273-280, Prague, Czech Rep., October 16-18, 2002
- Vasilis Dermosoniadis, Panos Philippopoulos, Christos Georgopoulos, “Smart Homes: a user perspective”, Proceedings of the 19th International Symposium on Human Factors in Telecommunication (HFT03), Berlin, Germany, December 1-4, 2003
- Panos Philippopoulos, Simos Menexis, Babak Farshchian, Fiona Mahon, Renato Rogue, “Pervasiveness in Converged Telecommunications: a Business Opportunity for the Operators”, Proceedings of the 15th eChallenges (e2005) Conference, Ljubljana, Slovenia, October 19-21, 2005
- Stelios C.A. Thomopoulos, Panos I. Philippopoulos, Nikos Argyreas, Artur Krukowski, Effie Makri, George Soulos, and Christos Dessiniotis, “LIAISON IP Location Based Services: Taxi on Demand”, Proceedings of the 15th IST Mobile Summit’06, Mykonos, June 7, 2006
- Stelios C.A. Thomopoulos, Nikos Argyreas, Effie Makri, Panos I. Philippopoulos and Dimitrios K. Bougoulias, “LBAG: A Location Based Ad-Hoc Grouping Mechanism for Location Aware Booking Services”, Proceedings of the 15th IST Mobile Summit 2006, Mykonos, Greece, 7 June 2006
- Panos I. Philippopoulos, Stelios C. A. Thomopoulos, Nikos D. Argyreas, Artur Krukowski, “LIAISON ToD: An Intelligent Location-Based Taxi Hailing System”, Proceedings of the 1st IST LIAISON-ISHTAR Workshop, Athens, Greece, 28-29 September 2006
- Panos I. Philippopoulos, Giorgos Soulos, Artur Krukowski, Nikos Argyreas, Vangelis Gorgas, Dimitrios Kyriazanos, Dimitrios I. Axiotis, and Stelios C. A. Thomopoulos “ToD: An Intelligent Location-Based Transport Management System”, Proceedings of the 2007 IEEE Intelligent Vehicles Symposium (IV'07), Istanbul, Turkey, June 13-15, 2007
- Vasilios Bozantzis, Panos Philippopoulos, “Combined Source Adaptive and Channel Optimized Matrix Quantization Algorithm”, Proceedings of the 5th IEEE 2014 International Conference on Information, Intelligence, Systems and Applications (IISA 2014), Chania, Greece, July 7-9, 2014
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- P. I. Philippopoulos, N. Panagiotarakis, A. Vanelli-Coralli, “The Role of S-UMTS in future 3G Markets”, Business Briefing Journal – Wireless Technology 2003, World Markets Research Centre Ltd. (www.wmrc.com), January 2003
- Co-author (chapter) of “Deploying and Managing IP over WDM Networks", Book by Joan Serrat and Alex Galis, Artech House, ISBN 1-58053-501-1, June 2003
- K.Narenthiran, M.Karaliopoulos, B.G.Evans, W.De-Win, M.Dieudonne, P.Henrio, M.Mazzella, E.Angelou, I.Andrikopoulos, P.I.Philippopoulos, D.I.Axiotis, N.Dimitriou, A.Polydoros, G.E.Corazza, A.Vanelli-Coralli “S-UMTS Access Network for Broadcast and Multicast Service Delivery: the SATIN approach”, International Journal of Satellite Communications & Networking (John Wiley & Sons Ltd), vol 22, Issue 1, Jan./Feb. 2004, pp 87-111
- Merkouris Karaliopoulos, Kanagasabapathy Narenthiran, & Barry Evans, University of Surrey, Pierre Henrio & Michel Mazzella, Alcatel Space, Wouter De-Win & Michael Dieudonné, Agilent Technologies, Panos Philippopoulos & Dimitrios Axiotis, Temagon S.A., Ilias Andrikopoulos & Ioannis Mertzanis, Space Hellas, Giovanni Corazza & Alessandro Vanelli-Coralli, University of Bologna, Nikos Dimitriou & Andreas Polydoros, University of Athens, “Satellite radio interface and radio resource management strategy for the delivery of multicast/broadcast services via an integrated satellite-terrestrial system”, IEEE Communications Magazine: Topics in Broadband Access, September 2004, Vol.42, No.9, pp. 108-117
- Dimitrios I. Axiotis, Tareq Al-Gizawi, C. Peppas, and Emmanuel N. Protonotarios, NTUA, Greece, Fotis I. Lazarakis, CSR “Demokritos”, Greece, Constantinos Papadias, Bell Labs, Lucent Technologies, USA, Panos I. Philippopoulos, Temagon S.A., Greece, “Services in Interworking 3G and WLAN Environments”, IEEE Wireless Communications Magazine, Special Issue on Applications and Services for the B3G/4G era, Vol.11, Issue 5, Oct. 2004, pp. 14-20
- Maria Koutsopoulou, Alexandros Kaloxylos, Athanassia Alonistioti, Panos Philippopoulos, “An Integrated Charging, Accounting & Billing Management Platform for the support of Innovative Business Models in Mobile Networks”, International Journal of Mobile Communications (ISSN 1470-949X), Vol 2, Issue 4, Oct./Nov./Dec. 2004, pp. 418-434
- Vasilios Bozantzis, Panos Philippopoulos, “Combined Source Adaptive and Channel Optimized Matrix Quantization for Noisy Channels”, International Journal of Wireless Communications and Network Technologies (ISSN 2319-6629), Vol 3, Issue 2, Feb./Mar. 2014, pp. 23-29
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