Christos Laoudias

Publications

Research

Journal articles

  1. S. Lee, S. W. Choi, C. Laoudias, and S. Kim, "Heterogeneous Device Tracking with RSS Variation Mitigation over a Radio Map," IEEE Wireless Communications Letters, vol. 5, no. 5, pp. 552-555, 2016.
  2. C. Kyrkou, T. G. Theocharides, M. Polycarpou, C. Laoudias, and C. G. Panayiotou, "Adaptive Energy-Oriented Multi-Task Allocation in Smart Camera Networks," IEEE Embedded Systems Letters, vol. 8, no. 2, pp. 37-40, 2016.
  3. M. P. Michaelides, C. Laoudias, C. G. Panayiotou, "Fault Tolerant Localization and Tracking of Multiple Sources in WSNs using Binary Data", IEEE Transactions on Mobile Computing, 13(6), pp. 1213-1227, 2014.
  4. C. Laoudias, M. P. Michaelides, C. G. Panayiotou, "ftTRACK: Fault Tolerant Target Tracking in Binary Sensor Networks", ACM Transactions on Sensor Networks, 10(4), pp. 64:1-28, 2014.
  5. C. Laoudias, R. Piche, C. G. Panayiotou, "Device Self-Calibration in Location Systems using Signal Strength Histograms", Journal of Location Based Services, 7(3), pp. 165-181, 2013.
  6. D. Zeinalipour-Yazti, C. Laoudias, C. Costa, M. Vlachos, M. I. Andreou, D. Gunopulos, "Crowdsourced Trajectory Similarity with Smartphones", IEEE Transactions on Knowledge and Data Engineering (TKDE), 25(6), pp. 1240-1253, 2013.
  7. C. Laoudias, M. P. Michaelides, C. G. Panayiotou, "Fault Detection and Mitigation in WLAN RSS Fingerprint-based Positioning", Journal of Location Based Services, 6(2), pp. 101-116, 2012.
  8. C. Laoudias, C. Panayiotou, C. Desiniotis, J. G. Markoulidakis, J. Pajunen, S. Nousiainen, "Part One: The Statistical Terminal Assisted Mobile Positioning Methodology and Architecture", Computer Communications, 31(6), pp. 1126-1137, 2008.

Magazine articles

  1. D. Zeinalipour-Yazti, C. Laoudias, K. Georgiou, and G. Chatzimilioudis, "Internet-based Indoor Navigation Services," IEEE Internet Computing, early access, 2016.
  2. C. Laoudias, Georgios Larkou, Demetrios Zeinalipour-Yazti, Christos G. Panayiotou, "Airplace: Indoor Geolocation on Smartphones Through WiFi Fingerprinting", ERCIM News, 2013(93), 2013.
  3. G. Chatzimilioudis, A. Konstantinidis, C. Laoudias and D. Zeinalipour-Yazti, "Crowdsourcing with Smartphones", IEEE Internet Computing, 16(5), pp. 36-44, 2012.

Refereed Conference/Workshop/Demo papers

  1. A. Nikitin, C. Laoudias, G. Chatzimilioudis, P. Karras, and D. Zeinalipour-Yazti, "Indoor Localization Accuracy Estimation from Fingerprint Data," 18th IEEE International Conference on Mobile Data Management (MDM), 2017. [accepted] Honorable Mention Award
  2. A. Nikitin, C. Laoudias, G. Chatzimilioudis, P. Karras, and D. Zeinalipour-Yazti, "ACCES: Offline Accuracy Estimation for Fingerprint-based Localization (Demo)," 18th IEEE International Conference on Mobile Data Management (MDM), 2017. [accepted]
  3. C. Laoudias, P. Tsangaridis, M. Polycarpou, C. Panayiotou, C. Kyrkou, and T. G. Theocharides, "Fault-Tolerant Tracking of Multiple Targets in Collaborative Camera Networks," European Control Conference (ECC), 2015, pp. 3191-3196.
  4. K. Georgiou, T. Constambeys, C. Laoudias, L. Petrou, G. Chatzimilioudis, D. Zeinalipour-Yazti, "Anyplace: A Crowdsourced Indoor Information Service," 16th IEEE International Conference on Mobile Data Management (MDM), 2015, pp. 291-294.
  5. F. Lemic, V. Handziski, A. Wolisz, T. Constambeys, C. Laoudias, S. Adler, S. Schmitt, and Y. Yang, "Experimental Evaluation of RF-based Indoor Localization Algorithms Under RF Interference," International Conference on Localization and GNSS (ICL-GNSS), 2015, pp. 1-8.
  6. D. Lymberopoulos, J. Liu, X. Yang, R. R. Choudhury, V. Handziski, S. Sen, F. Lemic, J. Busch, C. Laoudias, ..., D. Zeinalipour-Yazti et al., "A Realistic Evaluation and Comparison of Indoor Location Technologies: Experiences and Lessons Learned," 14th ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN), 2015, pp. 178-189.
  7. C. Laoudias, P. Tsangaridis, M. Polycarpou, C. Panayiotou, C. Kyrkou, and T. G. Theocharides, "Cooperative Fault-Tolerant Target Tracking in Camera Sensor Networks", IEEE International Conference on Communications (ICC), 2015, pp. 6634-6639.
  8. C. Laoudias, P. Kolios, C. G. Panayiotou, "Differential Signal Strength Fingerprinting Revisited", International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2014, pp. 30-37.
  9. G. Oliva, C. Laoudias, F. Pascucci, R. Setola, C. G. Panayiotou, "Hybrid Sensor Networks Localization: Dealing with range-capable and range-free nodes", International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2014, pp. 281-290.
  10. P. Kolios, C. Laoudias, C. G. Panayiotou, "Improving the Reliability of Emergency Response Networks using RevolverNet", 11th Workshop on Positioning, Navigation and Communication (WPNC), 2014, pp. 1-6.
  11. L. Petrou, G. Larkou, C. Laoudias, D. Zeinalipour-Yazti, C. G. Panayiotou, "Demonstration Abstract: Crowdsourced Indoor Localization and Navigation with Anyplace", 13th ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN), 2014, pp. 331-332.
  12. C. Laoudias, D. Zeinalipour-Yazti, C. Panayiotou, "Crowdsourced Indoor Localization for Diverse Devices through Radiomap Fusion", International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2013, pp. 1-7.
  13. R. U. Haider, C. Laoudias, C. Panayiotou, "Health Monitoring of WLAN Localization Infrastructure using Smartphone Inertial Sensors", International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2013.
  14. C. Laoudias, M. P. Michaelides, C. G. Panayiotou, "Fault tolerant target localization and tracking in binary WSNs using sensor health state estimation", IEEE International Conference on Communications (ICC), 2013, pp. 1469-1473.
  15. C. Laoudias, M. P. Michaelides, C. G. Panayiotou, "Sensor health state estimation for target tracking with binary sensor networks", IEEE International Conference on Communications (ICC), 2013, pp. 1878-1882.
  16. C.-L. Li, C. Laoudias, G. Larkou, Y.-K. Tsai, D. Zeinalipour-Yazti, C. G. Panayiotou, "Demo: Indoor Geolocation on Multi-Sensor Smartphones", 11th ACM International Conference on Mobile Systems, Applications and Services (MobiSys), 2013, pp. 503-504.
  17. C. Laoudias, R. Piche, C. Panayiotou, "Device Signal Strength Self-Calibration using Histograms", International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2012, pp. 1-8.
  18. M. Raspopoulos, C. Laoudias, L. Kanaris, A. Kokkinis, C. G. Panayiotou, S. Stavrou, "Cross Device Fingerprint-based Positioning using 3D Ray Tracing", 8th International Wireless Communications and Mobile Computing Conference (IWCMC), 2012, pp. 147-152.
  19. A. Konstantinidis, G. Chatzimilioudis, C. Laoudias, S. Nicolaou and D. Zeinalipour-Yazti, "Towards Planet-Scale Localization on Smartphones with a Partial Radiomap", 4th ACM International Workshop on Hot Topics in Planet-Scale Measurement (HotPlanet), 2012, pp. 9-14.
  20. M. Raspopoulos, C. Laoudias, L. Kanaris, A. Kokkinis, C. G. Panayiotou, S. Stavrou, "3D Ray Tracing for Device-Independent Fingerprint-based Positioning in WLANs", 9th Workshop on Positioning, Navigation and Communication (WPNC), 2012, pp. 109-113.
  21. C. Laoudias, G. Constantinou, M. Constantinides, S. Nicolaou, D. Zeinalipour-Yazti, C. G. Panayiotou, "Demo: The Airplace Indoor Positioning Platform", 10th ACM International Conference on Mobile Systems, Applications and Services (MobiSys), 2012, pp. 467-468.
  22. C. Laoudias, G. Constantinou, M. Constantinides, S. Nicolaou, D. Zeinalipour-Yazti, C. G. Panayiotou, "The Airplace Indoor Positioning Platform for Android Smartphones", 13th IEEE International Conference on Mobile Data Management (MDM), 2012, pp. 312-315. Best Demo Award
  23. C. Laoudias, M. P. Michaelides, C. G. Panayiotou, "Fault Detection and Mitigation in WLAN RSS Fingerprint-based Positioning", International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2011, pp. 1-7. [Short Paper]
  24. M. P. Michaelides, C. Laoudias, C. G. Panayiotou, "Fault Tolerant Target Localization and Tracking in Wireless Sensor Networks Using Binary Data", IEEE Global Telecommunications Conference (GLOBECOM), 2011, pp. 1-6.
  25. F. Della Rosa, L. Xu, J. Nurmi, M. Pelosi, C. Laoudias, A. Terrezza, "Hand-Grip and Body-Loss Impact on RSS Measurements for Localization of Mass Market Devices", International Conference on Localization and GNSS (ICL-GNSS), 2011, pp. 58-63.
  26. D. Zeinalipour-Yazti, C. Laoudias, M. I. Andreou, D. Gunopulos, "Disclosure-free GPS Trace Search in Smartphone Networks", 12th International Conference on Mobile Data Management (MDM), 2011, vol.1, pp. 78-87.
  27. C. Laoudias, M. P. Michaelides, C. G. Panayiotou, "Fault Tolerant Fingerprint-based Positioning", IEEE International Conference on Communications (ICC), 2011, pp. 1-5.
  28. C. Costa, C. Laoudias, D. Zeinalipour-Yazti, D. Gunopulos, "SmartTrace: Distributed Trajectory Search and Retrieval in Smartphone Networks", 27th IEEE International Conference on Data Engineering (ICDE), 2011, pp. 1288-1291.
  29. C. Laoudias, M. P. Michaelides, C. G. Panayiotou, "Fault Tolerant Positioning using WLAN Signal Strength Fingerprints", International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2010, pp. 1-8.
  30. C. Laoudias, C. G. Panayiotou, P. Kemppi, "On the RBF-based Positioning using WLAN Signal Strength Fingerprints", 7th Workshop on Positioning, Navigation and Communication (WPNC), 2010, pp. 93-98.
  31. M. P. Michaelides, C. Laoudias, C. G. Panayiotou, "Fault Tolerant Detection and Tracking of Multiple Sources in WSNs using Binary Data", 48th IEEE Conference on Decision and Control (CDC), 2009, pp.3769-3774.
  32. C. Laoudias, P. Kemppi, C. Panayiotou, "Localization using Radial Basis Function Networks and Signal Strength Fingerprints in WLAN", IEEE Global Telecommunications Conference (GLOBECOM), 2009, pp. 1-6.
  33. C. Laoudias, D. Eliades, P. Kemppi, C. Panayiotou, M. Polycarpou, "Indoor Localization using Neural Networks with Location Fingerprints", LNCS Artificial Neural Networks - ICANN 2009, pp. 954-963.
  34. C. Laoudias, C. Desiniotis , J. Pajunen, S. Nousiainen , C. Panayiotou, J. G. Markoulidakis, "Ubiquitous Terminal Assisted Positioning Prototype", IEEE Wireless Communications and Networking Conference (WCNC), 2008, pp. 3261-3266.
  35. C. Laoudias and D. Nikolos, "A New Test Pattern Generator for High Defect Coverage in a BIST Environment", Proceedings of the 14th ACM Great Lakes symposium on VLSI, 2004, pp. 417-420.

Other Workshop/Demo papers

  1. C. Laoudias, M. P. Michaelides, C. G. Panayiotou, "Fault Tolerant Target Tracking in Binary Wireless Sensor Networks", 6th Cyprus Workshop on Signal Processing and Informatics (CWSPI), 2013.
  2. L. Petrou, G. Larkou, C. Laoudias, D. Zeinalipour-Yazti, C. G. Panayiotou, "Anyplace: Indoor Positioning and Navigation in the Big-Data Era", Demo at International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2013.
  3. C. Laoudias, G. Constantinou, M. Constantinides, S. Nicolaou, D. Zeinalipour-Yazti, C. G. Panayiotou, "The Airplace Indoor Positioning System", 5th Cyprus Workshop on Signal Processing and Informatics (CWSPI), 2012.
  4. C.-L. Li, C. Laoudias, G. Larkou, G. Chatzimilioudis, D. Zeinalipour-Yazti, C. G. Panayiotou, "Hybrid Indoor Positioning on Multi-Sensor Android Smartphones", Demo at International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2012.
  5. C. Laoudias, G. Constantinou, M. Constantinides, S. Nicolaou, D. Zeinalipour-Yazti, C. G. Panayiotou, "A Platform for the Evaluation of Fingerprint Positioning Algorithms on Android Smartphones", International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2011.
  6. C. Laoudias, C. Costa, D. Zeinalipour-Yazti, C. G. Panayiotou, "An Indoor Trajectory Comparison Framework for Android Smartphones", International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2011.
  7. C. Costa, C. Laoudias, D. Zeinalipour-Yazti, D. Gunopulos, "SmartTrace: Finding Similar Trajectories in Smartphone Networks without Disclosing the Traces", 10th Hellenic Data Management Symposium (HDMS), 2011.
  8. C. Laoudias, C. G. Panayiotou, "Indoor Positioning in WLAN using Radial Basis Function Networks with Received Signal Strength Fingerprints", 3rd Cyprus Workshop on Signal Processing and Informatics (CWSPI), 2010.
  9. C. Costa, C. Christoforou, G. Nicolaides, D. Papadiomidous, C. Laoudias, D. Zeinalipour-Yazti, "A Distributed Spatio-Temporal Similarity Search Framework using Android-based Smartphones", 9th Hellenic Data Management Symposium (HDMS), 2010.
  10. C. Laoudias, C. Panayiotou, J. Markoulidakis, C. Desiniotis, "Simulation Analysis on the Efficiency of STAMP Method", LIAISON-ISHTAR Workshop on LBS Trends and R&D, 2006.

Theses

  1. C. Laoudias, "Localization and Tracking in Wireless Networks for Fault Tolerance and Device Diversity", Ph.D. Thesis, Dept. of Electrical and Computer Engineering, University of Cyprus, March 2014.
  2. C. Laoudias, "FPGA Implementation of the CCMP Protocol for Secure Wireless Networks 802.11i", M.Sc. Thesis, Dept. of Computer Engineering & Informatics, Postgraduate Program "Integrated Software & Hardware Systems", University of Patras, Greece, December 2005. [in greek]
  3. C. Laoudias, "Test Pattern Generators for Testing VLSI Circuits", Dipl.Eng. Thesis, Dept. of Computer Engineering & Informatics, University of Patras, Greece, October 2003. [in greek]

Other

  1. D. Eliades and C. Laoudias, "Internet wants to be free! Interview with Prof. Christos H. Papadimitriou", Synchroni Apopsi Magazine, September 2010. [in greek]
  2. C. Laoudias, "E-book Readers in Education", Synchroni Apopsi Magazine, March 2010. [in greek]
  3. C. Laoudias, "Location Based Services", Synchroni Apopsi Magazine, January 2009. [in greek]

Presentations

  1. C. Laoudias and D. Zeinalipour-Yazti, "Tutorial: Mobile Data Management in Indoor Spaces," 16th IEEE International Conference on Mobile Data Management (MDM), 2015.
  2. C. Laoudias, "Indoor Positioning with WiFi Signals: Device Self-Calibration using Histograms", KIOS Tuesday Seminar Series, October 23, 2012.
  3. C. Laoudias, "Indoor Positioning Technologies and Systems: From Theory to Practice", KIOS Tuesday Seminar Series, July 24, 2012.
  4. C. Laoudias, "Overview of Outdoor and Indoor Positioning Technologies and Systems", European University Cyprus IEEE Student Section Activities, March 30, 2012.
  5. C. Laoudias, "Positioning in Indoor Environments using WLAN Received Signal Strength Fingerprints", ECE Department Graduate Seminar, February 09, 2011.
  6. C. Laoudias, "Ubiquitous Terminal Assisted Positioning Prototype", Information and Communication Technologies Technical Workshop, February 11, 2009.
  7. C. Dessiniotis and C. Laoudias, "Kalman Filtering Options for STAMP Terminal Positioning Error Minimization", Mobile Terminal Assisted Enhanced Services Provisioning in a B3G Environment Workshop, September 7, 2007.
  8. C. Laoudias, "Cell Based Location Techniques Employing Power Measurements", Cyprus Communications (CyCo) Group, March 22, 2006.