publications

Dissertations

  1. C. N. Pitas, “Quality of Experience (QoE) and Quality of Services (QoS) Characterization Measurements and Prediction Models in Contemporary Mobile Broadband Communication Networks,” PhD Thesis, School of Electrical & Computer Engineering, NTUA, Apr. 2012.
  2. C. N. Pitas, “Strategic Environmental Assessment of Renewable Energy Sources Projects Land Planning with GIS Tools – Case Study: Region of Epirus,” M.Sc. Dissertation, School of Rural & Survey Engineering, NTUA, Jul. 2008.
  3. C. N. Pitas, “Engineering Economic Analysis of UMTS Radio Access Network: Planning, Optimization, Cost and Pricing Methodologies, Business Plan,” MBA Dissertation, School of Electrical & Computer Engineering, NTUA, Feb. 2006.
  4. C. N. Pitas, “Traffic Engineering and Packet Scheduling Algorithms for Quality of Service Management in WCDMA Mobile GEO Satellite Telecommunications System (S-UMTS),” Diploma Dissertation, School of Electrical & Computer Engineering, NTUA, Jul. 2003.

International Journals

  1. C. N. Pitas, A. G. Fertis, and A. D. Panagopoulos, “End-to-End Service Quality Estimation with a Robust Optimization Framework in Real-World Mobile Multimedia Communication Networks,”  Int’l Journal of Wireless Personal Communications, Springer US, Vol. 84, No. 4, pp. 2363-2383, Oct. 2015. [pdf].
  2. C. N. Pitas, A. D. Panagopoulos, and P. Constantinou, “Quality of Consumer Experience Data Mining for Mobile Multimedia Communication Networks: Learning from Measurements Campaign,” Int’l Journal of Wireless and Mobile Computing, Inderscience, Vol. 8, No. 1, pp. 34 - 44, Jan. 2015. [pdf]
  3. C. N. Pitas, C. E. Tsirakis, E. T. Zotou, A. D. Panagopoulos, “Emerging Communication Technologies and Security Challenges in a Smart Grid Wireless Ecosystem,” Int’l Journal of Wireless and Mobile Computing, Inderscience, Vol. 7, No. 3, pp. 231 – 245, Jun. 2014. [pdf]
  4. C. N. Pitas, D. E. Charilas, A. D. Panagopoulos, and P. Constantinou, “Adaptive Neuro-Fuzzy Inference Models for Speech and Video Quality Prediction in Real-World Mobile Networks,” Wireless Communications, IEEE, Vol. 20, No. 3, pp. 80-88, Jun. 2013. [pdf]
  5. C. N. Pitas, A. D. Panagopoulos, and P. Constantinou, “Speech and Video Telephony Quality Characterization and Prediction of Live Contemporary Mobile Telecommunication Systems,” Int’l Journal of Wireless Personal Communications, Springer US, Vol. 69, No. 1, pp. 153-174, Mar. 2013. [pdf]
  6. C. N. Pitas, A. D. Panagopoulos, and P. Constantinou, “A Survey on Contemporary Terrestrial and Handheld Multimedia Broadcasting Networks,” Int’l Journal on Communications – Special Issue on New Trends in Telecommunications, Scientific Letters of the University of Zilina, Slovakia, Vol. 14, No. 2, pp. 48 – 54, 2012.

Book Chapters

  1. C. N. Pitas, A. G. Fertis, D. E. Charilas, and A. D. Panagopoulos, “Advances in QoS/E Characterization and Prediction for Next Generation Mobile Communication Systems,” Mehdi Khosrow-Pour (Ed.) Fuzzy Systems: Concepts, Methodologies, Tools, and Applications, Information Resources Management Association, USA, Section V, Chapter 71, pp. 1739 – 1765, IGI Global, 2017. [pdf]
  2. C. N. Pitas, A. G. Fertis, D. E. Charilas, and A. D. Panagopoulos, “Advances in QoS/E Characterization and Prediction for Next Generation Mobile Communication Systems,” A. D. Panagopoulos (Ed.) Handbook of Research on Next Generation Mobile Communication Systems, pp. 1 – 25, IGI Global, 2015. [pdf]
  3. C. N. Pitas, A. G. Fertis, A. D. Panagopoulos, and P. Constantinou “Robust Optimization in Non-Linear Regression for Speech and Video Quality Prediction in Mobile Multimedia Networks,” Klatte D, Lüthi H-J, Schmedders K (Eds.) Operations Research Proceedings 2011 – Selected Papers of the Annual Int’l Conf. of German speaking OR Societies from Austria (ÖGOR), Germany (GOR) & Switzerland (SVOR) under the patronage of SVOR, Vol. 15, pp. 381 – 386, Springer Verlag, 2012. [pdf]

International Conferences

  1. C. N. Pitas, D. E. Charilas, A. D. Panagopoulos, P. Chatzimisios, and P. Constantinou, “ANFIS-based Quality Prediction Models for AMR-Telephony in Public 2G/3G Mobile Networks,” In Proc. IEEE Global Communications (GlobeCom ’12), Dec. 2012, Anaheim, California, US.
  2. C. N. Pitas, A. G. Fertis, A. D. Panagopoulos, and P. Constantinou, “Robust Optimization in Non-Linear Regression for Speech and Video Quality Prediction in Mobile Multimedia Networks,” In Proc. 10th Int’l Conf. on Operations Research, (OR ’11), Aug. – Sep. 2011, Zurich, Switzerland.
  3. C. N. Pitas, K. E. Chourdaki, A. D. Panagopoulos, and P. Constantinou, “QoS Mining Methods for Performance Estimation of Mobile Radio Networks,” In Proc. 10th Int’l Conf. on Measurement of Speech, Audio and Video Quality in Networks (MESAQIN ’11), June 2011, Prague, Czech.
  4. C. N. Pitas, A. D. Panagopoulos, and P. Constantinou, “Measurements and Quality Analysis of Mobile DVB-T/H Multimedia Networks,” In Proc. 10th Int’l Conf. on Measurement of Speech, Audio and Video Quality in Networks (MESAQIN ’11), June 2011, Prague, Czech.
  5. C. N. Pitas, N. Moraitis, A. D. Panagopoulos, and P. Constantinou, “Speech and Video Quality Assessment of GSM and WCDMA Rollout Mobile Radio Access Networks in a Regulated and Competitive Market,” In Proc. 9th Int’l Conf. on Measurement of Speech, Audio and Video Quality in Networks (MESAQIN ’10), June 2010, Prague, Czech.
  6. C. N. Pitas, et al, “Evaluating Packet Data Performance οf Commercial UMTS Network in an Urban Environment – Comparison with HSDPA Introduction in the Same Area,” (presentation), 3G Radio Networks, IIR, Sep 2006, Amsterdam, Netherlands.

European COST Research Actions

  1. C. N. Pitas, A. D. Panagopoulos, and P.Constantinou, “Performance Measurements and QoS Analysis of High Speed Packet Access Networks,” 7th MCM COST2100 SWG 3.1 & FP7 – SOCRATES, February 2009, Braunschweig, Germany.
  2. C. N. Pitas, A. P. Tsopelas, V. N. Sofras, and P. Constantinou, “Adaptive Radio Resource Management in a DVB-S2 based HAP Network for Broadband Internet Access and Multimedia Content Delivery,” 7th Airship Int’l Convention, COST297-HAPCOS Wksp, Oct. 2008, Friedrichshafen, Germany.

Pan-Hellenic Conferences and Workshops

  1. C. N. Pitas, “Quality of Service in Mobile Communications Networks,” Wksp on “Telecommunications: A Keystone for Development,” (presentation) TEI of Ionian Islands, Dec. 2009, Lefkada, Greece.
  2. C. N. Pitas, E. D. Avgeri, M. P. Kallenou, and P. Constantinou, “Measurements and QoS Analysis of Live-World Mobile Telecommunication Networks,” In Proc. 3rd Pan-Hellenic Conf. of Electrical and Computer Engineering Students (SFHMMY ’09), Apr. 2009, Thessaloniki, Greece.
  3. C. N. Pitas, E. D. Avgeri, M. P. Kallenou, and P. Constantinou, “Quality of Service in Real High Speed Packet Access Networks: Survey Measurements and Performance Evaluation,” In Proc. 1st Pan-Hellenic Conf. on Electronics and Telecommunications (PACET ’09), Mar. 2009, Patras, Greece.
  4. C. N. Pitas, A. P. Tsopelas, V. N. Sofras, and P. Constantinou, “Quality of Service in High Altitude Platform Networks: Study of a DVB-S2 based Architecture,” In Proc. 1st Pan-Hellenic Conf. on Electronics and Telecommunications (PACET ’09), Mar. 2009, Patras, Greece.

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