Welcome to my Homepage

I was born in Ierapetra, Greece, in 1977. I received the diploma and the PhD degree in Electrical & Computer Engineering both from the Aristotle University of Thessaloniki (AUTh), Department of Electrical & Computer Engineering in 2001 and 2006 respectively. My PhD thesis title is "Estimation & Experimental Validation of the Transmission of EM Waves in Urban Environment". I am now with the department of Electrical and Computer Engineering of AUTh.

In 2001 I was awarded the "Ericsson Award of Excellence in Telecommunications" (1st prize) for the best diploma-thesis of the year in the field of "Communications". In 2011, we received the 2nd best student paper award in the 2011 RFID-TA Conference that was held in Sitges, Spain for the paper "Inventory Time Reduction in Gen2 with Single-Antenna Separation of FM0 RFID Signals", co authored with J. Kimionis, A. Bletsas and G. Karystinos. I have received twice the "IEEE Wireless Communications Letters Exemplary Reviewer" award for 2012 and 2014 from the IEEE Communications Society, entering top 3% of reviewers for 2012 and 2014 respectively. On February, 2014, I was elevated to the grade of IEEE Senior Member.

I 've been a member of the IEEE and the Technical Chamber of Greece since 2001. I serve as a reviewer for several journals and conferences like the "IEEE Transactions on Antennas and Propagation", the "IEEE Transactions on Wireless Communications", the "IEEE Transactions on Vehicular Technology", the "IEEE Communications Letters", the "IEEE Wireless Communications Letters", the "IEEE Antennas and Wireless Propagation Letters", the "IEEE Transactions on Industrial Informatics", the "IEEE Transactions on Biomedical Circuits and Systems", "PIER & JEMWA", "IEEE VTC Fall", "IEEE VTC Spring" and more. I was also a Technical Program Committee Member in several major conferences. On September 2015, I was the organizer of the 5th Management Committee / Working Group Meeting and Workshop on "Wireless Power Transmission for Sustainable Electronics" that was held in Thessaloniki, Greece. The workshop took place within the COST IC1301 programme.

Since January 2021, I serve as Associate Editor in the IEEE Journal of Radio Frequency Identification. Since 2021, I also serve as a vice-chair in the IEEE Technical Committee on Motion Capture & Localization, where we aim to promote and facilitate research and publication related to motion capture, localization and related fields.

Research

My research interests include:

  • RFID systems
  • Robotics
  • Localization
  • Sensor Networks
  • Wireless Power Transmission Systems
  • Sustainable Networks
  • Electromagnetic-wave propagation prediction models
  • Antenna - Design
  • Scattering in urban and indoor environments
  • Automated planning for wireless networks
  • Extreme-load planning solutions

Funded Research

I have participated in the following funded research projects.

Demos

Some demos of my work can be found in the Software and Hardware Pages.

Teaching

Since 2014, I serve as a teaching assistant in the Dept. of Electrical & Computer Engineering of AUTH in the following courses. This year I will participate in the following courses:

    Winter
  • Synthesis of Telecommunications' Devices (9th Semester)
  • Calculus I (1st Semester)
    Spring
  • Applications of Telecommunications' Systems (8th Semester)
  • Electrical Circuits I (2nd Semester)

Since 2014, I have also participated in the following courses:

  • Control Systems(5th Semester)
  • Electrical Circuits III (4th Semester)
  • Telecommunication - Networks (8th Semester)

From 2001 to 2014, I have served as a teaching assistant in the Dept. of Electrical & Computer Engineering of AUTH in the following courses:

  • Synthesis of Telecommunications' Devices (2002-2006, 2007-present)
  • Mobile Radiocommunications (2002-2006)
  • Telecommunications' Systems (2003-2006)

In the context of the course "Applications of Telecommunications' Devices", the students are taught to design and realize a Wireless Sensor Network. Each node consists of a micro-controller, sensors and a programmable RF22 wireless card. By the end of the semester, each group of 2 students realizes a prototype WSN application (hardware and software), deploying all sensing and communication aspects of the system (MAC layer, routing, etc.). Furthermore, all teams are requested to produce a demo-video of their work. Such videos can be found in the following links: Coach Assistant - Athlete Monitoring, Road- Rut Mapping, Find the Sheep, Patient Monitoring, etc. In the context of other courses in the past, interested students participate in the design and construction of prototype devices. On January 2012, students designed and constructed prototype UHF RFID tags. Read details on the Hardware section of the site. Watch the uploaded demo-video in youtube or watch some representative photos from the course. On January 2014, students programmed radio transceiver over an Arduino Uno board to create sensor networks. Again, videos can be found in the following two links: Video1, Video2

Publications

Below, you can find a list of my journal and conference papers. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.

Please read first the following IEEE copyright-notice for the corresponding material:

20xx IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

Journal Papers

J27. Alexandros Filotheou, Anastasios Tzitzis, Emmanouil Tsardoulias, Antonis Dimitriou, Andreas Symeonidis, George Sergiadis, Loukas Petrou, Passive Global Localisation of Mobile Robot through Panoramic 2D LIDAR-based Scan-to-map-scan Matching in Static Environments via 2D Fourier-Mellin Invariant Matching, accepted in In Journal of Intelligent and Robotic Systems.

J26. Anastasios Tzitzis, Andreana Malama, Vasiliki Drakaki, Aggelos Bletsas, Traianos Yioultsis and Antonis G. Dimitriou, Real-Time, Robot-Based, 3D Localization of RFID Tags, by Transforming Phase Measurements to a Linear Optimization Problem, IEEE Journal of Radio Frequency Identification, doi: 10.1109/JRFID.2021.3103393.

J25. Evangelos Giannelos, Emmanouil Andrianakis, Konstantinos Skyvalakis, Antonis G. Dimitriou, Aggelos Bletsas, Robust RFID Localization in Multipath with Phase-Based Particle Filtering and a Mobile Robot,IEEE Journal of Radio Frequency Identification, Early Access, doi: 10.1109/JRFID.2021.3086759.

J24. Anastasios Tzitzis, Aristidis Raptopoulos Chatzistefanou, Traianos Yioultsis, Antonis G. Dimitriou, A Real-Time Multi-Antenna SAR-based method for 3D localization of RFID Tags by a Moving Robot,IEEE Journal of Radio Frequency Identification, vol. 5, no. 2, pp. 207-221, June 2021, doi: 10.1109/JRFID.2021.3070409.

J23. Aristidis Raptopoulos Chatzistefanou, Anastasios Tzitzis, Spyros Megalou, George Sergiadis, Antonis G. Dimitriou, Trajectory-Tracking of UHF RFID Tags, Exploiting Phase Measurements Collected from Fixed Antennas,IEEE Journal of Radio Frequency Identification, vol. 5, no. 2, pp. 191-206, June 2021, doi: 10.1109/JRFID.2021.3053101.

J22. Spyros Megalou, Antonis G. Dimitriou, Anastasios Tzitzis and Traianos Yioultsis, Design and Fabrication of a Compact, Low-Cost UHF-RFID Repeater, Exploiting Circular Cross-Polarization,IEEE Journal of Radio Frequency Identification, vol. 5, no 1, pp 64-74, March 2021, doi: 10.1109/JRFID.2020.3040439.

J21. Anastasios Tzitzis, Spyros Megalou, Stavroula Siachalou, Emmanouil Tsardoulias, Alexandros Filotheou, Traianos Yioultsis, Antonis G. Dimitriou, Trajectory Planning of a Moving Robot Empowers 3D Localization of RFID Tags with a Single Antenna,IEEE Journal of Radio Frequency Identification, Accepted, vol. 4, no. 4, pp. 283-299, Dec. 2020.

J20. Alexandros Filotheou, Emmanouil G. Tsardoulias, Antonis G. Dimitriou, Andreas L. Symeonidis, Loukas Petrou, Pose selection and feedback methods in tandem combinations of particle filters with scan-matching for 2D mobile robot localisation, In Journal of Intelligent and Robotic Systems, 100, 925-944 (2020).

J19. Antonis G. Dimitriou, Design, Analysis and Performance Evaluation of a UHF RFID Forward-Link Repeater,IEEE Journal of Radio Frequency Identification, Accepted, vol. 4, no 2, pp. 73-82, June 2020.

J18. Anastasios Tzitzis, Spyros Megalou, Stavroula Siachalou, Emmanouil Tsardoulias, Athanasios Kehagias, Traianos Yioultsis, Antonis G. Dimitriou, Localization of RFID Tags by a Moving Robot, via Phase Unwrapping and Non-Linear Optimization,IEEE Journal of Radio Frequency Identification, vol 3, no. 4, pp. 216-226, Dec. 2019.

J17. A. Filotheou, E. G. Tsardoulias, A. Dimitriou, A. L. Symeonidis, L. Petrou, Quantitative and qualitative evaluation of ROS-enabled local and global planners in 2D static environments , In Journal of Intelligent & Robotic Systems, 98, 567-601 (2020).

J16. Georgios Vougioukas, Antonis Dimitriou, Aggelos Bletsas and John Sahalos, Practical Energy Harvesting for Batteryless Ambient Backscatter Sensors,Electronics 2018, MDPI, vol. 7, no 6, June 2018.

J15. Nuno Carvalho,..., Antonis Dimitriou,..., and Johannes Russer, Europe and the Future for WPT,IEEE Microwave Magazine, vol. 18, no 4, June 2017.

J14. Antonis G. Dimitriou, Stavroula Siachalou, Aggelos Bletsas, and John N. Sahalos, A Site-Specific Stochastic Propagation Model for Passive UHF RFID,IEEE Antennas and Wireless Propagation Letters, March 2014.

J13. A. C. Polycarpou, A. G. Dimitriou, A. Bletsas, P. C. Polycarpou, L. Papaloizou, G. Gregoriou, and J. N. Sahalos,On the Design, Installation and Evaluation of a Radio Frequency Identification System for Healthcare Applications,IEEE Antennas and Propagation Magazine, vol. 54, no. 4, pp. 255-271, August 2012.

J12. Invited: A. G. Dimitriou, J. N. Sahalos, S. Siachalou, and A. Bletsas,Planning of Wireless Networks(in Brazilian),RTI Magazine, August 2012.

J11. Aggelos Bletsas, John Kimionis, Antonis G. Dimitriou, and George N. Karystinos,Single-Antenna, Coherent Detection of Collided FM0 RFID Signals,IEEE Transactions on Communications, vol. 60, no. 3, March 2012.

J10. Invited: A. Polycarpou, G. Gregoriou, P. Polycarpou, A. Dimitriou, J. N. Sahalos, A. Bletsas,RFID in Hospital (in Brazilian),RTI Magazine, May 2012.

J9. Antonis G. Dimitriou, Aggelos Bletsas, and John N. Sahalos,Room Coverage Improvements of UHF RFID with Commodity Hardware,IEEE Antennas and Propagation Magazine, vol. 53, no. 1, February 2011.

J8. Antonis G. Dimitriou, Aggelos Bletsas, Anastasis Polycarpou, and John N. Sahalos,Theoretical Findings and Measurements on Planning a UHF RFID System inside a Room,Radioengineering Journal - Towards EuCAP 2012: Emerging Materials, Methods, and Technologies in Antenna & Propagation, Vol. 20, no. 2, pp. 387-397, June 2011.

J7. Aggelos Bletsas, Antonis G. Dimitriou, and John N. Sahalos,Improving Backscatter Radio Tag Efficiency,IEEE Transactions on Microwave Theory and Techniques, vol. 58, no 6, pp. 1502-1509, June 2010.

J6. Aggelos Bletsas, Antonis G. Dimitriou, and John N. Sahalos,Interference-Limited Opportunistic Relaying with Reactive Sensing,IEEE Transactions on Wireless Communications, vol. 9, no 1, pp. 14-20, January 2010.

J5. Antonis G. Dimitriou, George D. Sergiadis,Microcellular Propagation Prediction Model Based on a Geometric Progression Approximation-Process,IEEE Transactions on Antennas and Propagation, Vol. 55, No. 3, Part 2, pp. 969-977, March 2007.

J4. Antonis G. Dimitriou, George D. Sergiadis,Managing Topological Prioritization in Ray-Tracing Based Progressive Propagation-Prediction Modeling,IEEE Transactions on Antennas and Propagation, Vol. 54, no 10, pp. 3042-3046, Oct. 2006.

J3. Antonis G. Dimitriou, George D. Sergiadis,Architectural Features and Urban Propagation,IEEE Transactions on Antennas and Propagation, Vol. 54, No. 3, pp. 774-784, March 2006.

J2. Theodore G. Vasiliadis, Antonis G. Dimitriou, George D. Sergiadis, A Novel Technique for the Approximation of 3-D Antenna Radiation Patterns, IEEE Transactions on Antennas and Propagation, Vol. 53, No. 7, pp. 2212-2219, July 2005.

J1. A. Dimitriou, T. Vasiliadis, G. Sergiadis, Study of a GSM network traffic in Olympic Stadium during the Olympic Games of 2004 in Athens,(in greek) Review of the Greek Association of Mechanical and Electrical Engineers, Vol. 379, pp. 54-57, July-August 2005.

Conference Papers

C49. George Mylonopoulos, Aristidis Raptopoulos Chatzistefanou, Alexandros Filotheou, Anastasios Tzitzis, Stavroula Siachalou, Antonis G. Dimitriou,Localization, Tracking and Following a Moving Target by an RFID Equipped Robot,2021 IEEE International Conference on RFID Technology and Applications (RFID-TA) - IEEE RFID-TA 2021, 6-8 October 2021, Delhi, India.

C48. Spyros Megalou, Aggelos Bletsas, Traianos Yioultsis, Antonis G. Dimitriou,,Power and Phase Variation of Backscattered RFID Signal with Respect to the Incident Power at the Tag,2021 IEEE International Conference on RFID Technology and Applications (RFID-TA) - IEEE RFID-TA 2021, 6-8 October 2021, Delhi, India.

C47. Antonis Dimitriou, Anastasios Tzitzis, Alexandros Filotheou, Spyros Megalou, Stavroula Siachalou, Aristidis R. Chatzistefanou, Andreana Malama, Emmanouil Tsardoulias, Konstantinos Panayiotou, Evaggelos Giannelos, Thodoris Vasiliadis, Ioannis Mouroutsos, Ioannis Karanikas, Loukas Petrou, Andreas Symeonidis, John Sahalos, Traianos Yioultsis, Aggelos Bletsas,Autonomous Robots, Drones and Repeaters for Fast, Reliable, Low-Cost RFID Inventorying and Localization,6th International Conference on Smart and Sustainable Technologies, 08-11 September 2021, Split, Croatia.

C46. Maria Dermenoudi, Dimitris Karolidis, Aggeliki Moneda, Vasiliki Drakaki, Antonis G. Dimitriou,,The Use of RFID Technology for the Collection Management in the Archaeological Museum of Thessaloniki,6th International Conference on Smart and Sustainable Technologies, 08-11 September 2021, Split, Croatia.

C45. Sofia Pliasa, Anna Maria Velentza, Antonis G. Dimitriou, Nikos Fachantidis,,Interaction of a Social Robot with Visitors inside a Museum through RFID Technology,6th International Conference on Smart and Sustainable Technologies, 08-11 September 2021, Split, Croatia.

C44. Anastasios Tzitzis, Alexandros Filotheou, Stavroula Siachalou, Emmanouil Tsardoulias, Spyros Megalou, Aggelos Bletsas, Konstantinos Panayiotou, Andreas Symeonidis, Traianos Yioultsis, Antonis G. Dimitriou,Real-time 3D localization of RFID-tagged products by ground robots and drones with commercial off-the-shelf RFID equipment: Challenges and Solutions,2020 IEEE International Conference on RFID, Florida, USA, March 2020.

C43. Aristidis Raptopoulos, Traianos Yioultsis, Antonis G. Dimitriou,Particle Filter Object Tracking by a Handheld UHF RFID Reader,2019 IEEE International Conference on RFID-Technology and Applications, RFID-TA 2019, Pisa, Italy, September 2019.

C42. Stavroula Siachalou, Spyros Megalou, Anastasios Tzitzis, Emmanouil Tsardoulias, Aggelos Bletsas, John Sahalos, Traianos Yioultsis, Antonis G. Dimitriou,Robotic Inventorying and Localization of RFID Tags, Exploiting Phase-Fingerprinting,2019 IEEE International Conference on RFID-Technology and Applications, RFID-TA 2019, Pisa, Italy, September 2019.

C41. Anastasios Tzitzis, Spyros Megalou, Stavroula Siachalou, Emmanouil Tsardoulias, Traianos Yioultsis, Antonis G. Dimitriou3D Localization of RFID Tags with a Single Antenna by a Moving Robot and Phase ReLock,2019 IEEE International Conference on RFID-Technology and Applications, RFID-TA 2019, Pisa, Italy, September 2019.

C40. Michail Ouroutzoglou, Georgios Vougioukas, Panos N. Alevizos, Antonis G. Dimitriou, Aggelos Bletsas, Multistatic Gen2 RFID over Ethernet with Commodity SDRs,2019 IEEE International Conference on RFID-Technology and Applications, RFID-TA 2019, Pisa, Italy, September 2019.

C39. Antonis G. Dimitriou, Stavroula Siachalou, Aggelos Bletsas, John Sahalos,Introduction of Dynamic Virtual Force Vector in Particle Swarm Optimization for Automated Deployment of RFID Networks,13th European Conference on Antennas and Propagation, Krakow, Poland, March 2019.

C38. Spyros Megalou, Anastasios Tzitzis, Stavroula Siachalou, Traianos Yioultsis, John Sahalos, Emmanouil Tsardoulias, Alexandros Filotheou, Andreas Symeonidis, Loukas Petrou, Aggelos Bletsas, Antonis G. Dimitriou, Fingerprinting Localization of RFID tags with Real-Time Performance-Assessment, using a Moving Robot,13th European Conference on Antennas and Propagation, Krakow, Poland, March 2019.

C37. Anastasios Tzitzis, Spyros Megalou, Stavroula Siachalou, Traianos Yioultsis, Athanasios Kehagias, Emmanouil Tsardoulias, Alexandros Filotheou, Andreas Symeonidis, Loukas Petrou, Antonis G. Dimitriou,Phase ReLock - Localization of RFID Tags by a Moving Robot,13th European Conference on Antennas and Propagation, Krakow, Poland, March 2019.

C36. Stavroula Siachalou, Aggelos Bletsas, John Sahalos, and Antonis G. Dimitriou,RSSI-Based Maximum Likelihood Localization of Passive RFID Tags Using a Mobile Cart,2016 IEEE Wireless Power Transfer Conference (WPTC), Aveiro, Portugal, May 2016.

C35. Stavroula Siachalou, Aggelos Bletsas, John Sahalos, and Antonis G. Dimitriou,Object Tracking Using Commercial RFID Technology,6th Workshop on Wireless Power Transmission for Sustainable Electronics, Aveiro, Portugal, May 2016.

C34. Achilles Boursianis, Antonis G. Dimitriou, Aggelos Bletsas, and John Sahalos,A Wideband UHF RFID Reader Antenna Array with Bow-Tie Elements,10th European Conference on Antennas and Propagation, Davos, April 2016.

C33. Antonis G. Dimitriou, Dimitris Ntilis, Panagiotis Oikonomakos, Antonios Inglezakis, Vasileios Papadakis, and Aggelos Bletsas,Designing Limited-EIRP, Long-distance Links for Water Management Networks Using Polarization Diversity and Redundant Routing Paths,1st International Workshop on Cyber-Physical Systems for Smart Water Networks, Cyber Physcial Systems Week, Seattle, WA, USA, April 2015.

C32. Dimitris Ntilis, Panagiotis Oikonomakos, Vasileios Papadakis, Antonios Inglezakis, Antonis G. Dimitriou, and Aggelos Bletsas,Frequency Planning for a Multi-Radio 802.11s City-Wide Water Management Network,1st International Workshop on Cyber-Physical Systems for Smart Water Networks, Cyber Physcial Systems Week, Seattle, WA, USA, April 2015.

C31. Antonis G. Dimitriou, Achilles Boursianis, Ioannis Markakis, Stavroula Siachalou, Theodoros Samaras, and John N. Sahalos,Comparison of a Fast Probabilistic Propagation Model against an Analytical Computational-EM Model and Measurements for the Evaluation of Passive RFID Systems,9th European Conference on Antennas and Propagation, Lisbon, April 2015.

C30. Konstantinos Tountas, Antonis G. Dimitriou, Aggelos Bletsas and John N. Sahalos,Mobility Improves Performance of RFID Library Systems,9th European Conference on Antennas and Propagation, Lisbon, April 2015.

C29. Antonis G. Dimitriou,Wireless Power Transmission and Wireless Sensor Networks in Education,5th Workshop on Wireless Power Transmission for Sustainable Electronics, Thessaloniki, September 2015.

C28. Charalampos Oikonomou, George D. Sergiadis, and Antonis G. Dimitriou,Design and Construction of a Wideband UHF Rectenna,5th Workshop on Wireless Power Transmission for Sustainable Electronics, Thessaloniki, September 2015.

C27. Anastasis Polycarpou, Theodoros Samaras, Aggelos Bletsas, Antonis G. Dimitriou, and John Sahalos ,Development of an Intelligent Library Management System Using RFID Technology,5th Workshop on Wireless Power Transmission for Sustainable Electronics, Thessaloniki, September 2015.

C26. Antonis G. Dimitriou, Stavroula Siachalou, Aggelos Bletsas, and John N. Sahalos,Automated RFID Network Planning with Site-Specific Stochastic Modeling and Particle Swarm Optimization,2014 IEEE RFID Technology and Applications (RFID-TA) Conference, Tampere, Finland, September 2014.

C25. Antonis G. Dimitriou, Stavroula Siachalou, Aggelos Bletsas, and John N. Sahalos,Propagation Modeling and Planning of Batteryless Tags Networks, 2nd Workshop on Wireless Power Transmission for Sustainable Electronics (COST IC1301), Toulouse, September 2014.

C24. Antonis G. Dimitriou, Stavroula Siachalou, Aggelos Bletsas, and John N. Sahalos,Site-specific stochastic propagation model for automated RFID network planning,2013 International Conference on Electromagnetics in Advanced Applications (ICEAA), pp. 603-606, Torino, Italy, Sept. 2013.

C23. Antonis G. Dimitriou, John Kimionis, Aggelos Bletsas, and John N. Sahalos,A Fading-Resistant Method for RFID-Antenna Structural Mode Measurement,2012 IEEE International Conference on RFID-Technologies and Applications (RFID-TA), pp. 443-448, Nice, France, 5-7 Nov. 2012.

C22. Antonis G. Dimitriou, Aggelos Bletsas, John N. Sahalos,Practical Considerations of ASK Modulated Passive Tags, 6th European Conference on Antennas & Propagation (EuCAP), Prague, 26-30 March, 2012.

C21. John Kimionis, Aggelos Bletsas, Antonis G. Dimitriou, and George N. Karystinos,Inventory Time Reduction in Gen2 with Single-Antenna Separation of FM0 RFID Signals,2011 IEEE International Conference on RFID-Technologies and Applications, Sitges, 15-16 September 2011. Has received the "2nd best student paper award".

C20. Antonis G. Dimitriou, Aggelos Bletsas and John N. Sahalos,On the Design of Passive RFID Tags for ASK Modulation,5th European Conference on Antennas & Propagation (EuCAP), Rome, 11-15 April, 2011.

C19. A. C. Polycarpou, G. Gregoriou, L. Papaloizou, P. Polycarpou, A. Dimitriou, A. Bletsas, and J. N. Sahalos,A Healthcare Application Based on Passive UHF RFID Technology,5th European Conference on Antennas & Propagation (EuCAP), Rome, 11-15 April, 2011.

C18. Antonis G. Dimitriou, Eleftheria Siachalou and John N. Sahalos,Estimation of the Optimum Downtilt Angle in Base Station Antennas for Capacity Maximization & Power Minimization,COST IC0803 (RF/Microwave Communication Subsystems for Emerging Wireless Technologies), Lausanne, November 8-9, 2010.

C17. A.C. Polycarpou, G. Gregoriou, A. Bletsas, A. Dimitriou, J. Sahalos,A UHF Radio Frequency Identification (RFID) System for Healthcare: Design and Implementation,2010 MOBIHEALTH: International ICST Conference on Wireless Mobile Communication and Healthcare, Ayia Napa, Cyprus, Oct. 18-20, 2010.

C16. Antonis G. Dimitriou, Aggelos Bletsas and John N. Sahalos,On Efficient UHF RFID Coverage inside a Room,European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010.

C15. Antonis G. Dimitriou, Stavroula Siachalou, Aggelos Bletsas and John N. Sahalos,An Efficient Propagation Model for Automatic Planning of Indoor Wireless Networks,European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010.

C14. A.C. Polycarpou, G. Gregoriou, A. Dimitriou, A. Bletsas, I.N. Sahalos, L. Papaloizou and P. Polycarpou,Design and Implementation of a Radio Frequency IDentification (RFID) System for Healthcare Applications,2010 MEDICON (The 12th Mediterranean Conference on Medical and Biological Engineering and Computing), Porto Carras, Chalkidiki, May 27-30, 2010.

C13. Aggelos Bletsas, Antonis G. Dimitriou, and John N. Sahalos,Backscattering Improvement of UHF RFID Tag Efficiency,International Workshop on Antenna Technology: Small Antennas, Innovative Structures & Materials, Lisbon, Portugal, March 1-3, 2010.

C12. Antonis G. Dimitriou, Stavroula Siachalou, Aggelos Bletsas and John N. Sahalos,An Indoor Propagation Model for Efficient Wireless Planning Applications,COST IC0803 (RF/Microwave Communication Subsystems for Emerging Wireless Technologies), Athens, October 7-9, 2009.

C11. Antonis G. Dimitriou, Aggelos Bletsas, Anastasis Polycarpou and John N. Sahalos,Coverage Improvement of an RFID System inside a Room,COST ic0603 (Antennas Systems & Sensors for Information Society Technologies), Wroclaw, Poland, October 14-16, 2009.

C10. Anastasis Polycarpou, Antonis G. Dimitriou, Aggelos Bletsas, John N. Sahalos,Graphical User Interface Platform for RFID Systems in Healthcare,COST ic0603 (Antennas Systems & Sensors for Information Society Technologies), Wroclaw, Poland, October 14-16, 2009.

C9. Aggelos Bletsas, Antonis Dimitriou, and John Sahalos,Reduced-Delay Interference-Aware Opportunistic Relaying,IEEE International Conference on Communications 2009 (ICC 2009), June 14-18, Dresden Germany.

C8. A. C. Polycarpou, A. Dimitriou, A. Bletsas, J. N. Sahalos,Radio Frequency Identification (RFID) for Healthcare,COST ic0603 (Antennas Systems & Sensors for Information Society Technologies), Valencia, Spain, May 18-21 2009.

C7. Aggelos Bletsas, Antonis Dimitriou, and John Sahalos,Improving Backscatter Radio Tag Efficiency,COST IC0803 (RF/Microwave Communication Subsystems for Emerging Wireless Technologies), 2nd Management Committee Meeting and Workshop, Brno, 27-29 April 2009.

C6. Antonis G. Dimitriou, Stavroula Siachalou, George D. Sergiadis,Estimation of Wall-Scattering in the Urban Canyon,3rd European Conference on Antennas & Propagation (EuCAP09), Berlin, March 2009.

C5. Antonis Dimitriou, George Sergiadis,A Novel, Shooting and Bouncing Rays Technique for Propagation Prediction, Based on a Varying-Step Calculation Procedure,Mediterranean Microwave Symposium 2005, MMS'05 Proc. Athens, Greece, 6-8 Sept. 2005.

C4. A. Dimitriou, T. Vasiliadis, G. Sergiadis, "Study of a GSM network traffic in Olympic Stadium during the Olympic Games of 2004 in Athens,(in greek) 1st National Conference of Mechanical & Electrical Engineers, Athens, 28-30 March 2005.

C3. T. Vasiliadis, A. Dimitriou, G. Sergiadis, "An efficient representation of combined indoor/outdoor 3D mobile radiocoverage," IEE 12th Intl. Conf. on Antennas & Propagation, ICAP2003, Exeter, UK, 31 March 3 April 2003

C2. A. Dimitriou, T. Vasiliadis, G. Sergiadis, "Traffic behavior simulation of a DECT technology network," 3G Infrastructure and Services International Symposium, Athens, July 2001

C1. A. Dimitriou, T. Vasiliadis, G. Sergiadis,Development of a wireless communications planning tool for optimizing indoor coverage areas,3G Infrastructure and Services International Symposium, Athens, July 2001

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