Browsing by Subject "Indoor positioning systems"

Now showing items 1-10 of 10

    • Conference Object  

      ACCES: Offline accuracy estimation for fingerprint-based localization 

      Nikitin, A.; Laoudias, Christos; Chatzimilioudis, Georgios; Karras, P.; Zeinalipour-Yazdi, Constantinos D. (Institute of Electrical and Electronics Engineers Inc., 2017)
      In this demonstration we present ACCES, a novel framework that enables quality assessment of arbitrary fingerprint maps and offline accuracy estimation for the task of fingerprint-based indoor localization. Our framework ...
    • Conference Object  

      The airplace indoor positioning platform for Android smartphones 

      Laoudias, Christos; Constantinou, George; Constantinides, Marios; Nicolaou, Silouanos; Zeinalipour-Yazdi, Constantinos D.; Panayiotou, Christos G. (2012)
      In this demonstration paper, we present an indoor positioning system developed for Android smartphones, coined Airplace. To infer the unknown user location we rely on ubiquitous WLANs and exploit Received Signal Strength ...
    • Conference Object  

      Anyplace: A Crowdsourced Indoor Information Service 

      Georgiou, K.; Constambeys, T.; Laoudias, Christos; Petrou, L.; Chatzimilioudis, Georgios; Zeinalipour-Yazdi, Constantinos D. (Institute of Electrical and Electronics Engineers Inc., 2015)
      People do most of their activities, business, commerce, entertainment and socializing indoors. As all of these are increasingly aided by online services and indoor spaces are becoming bigger and more complex, there is a ...
    • Conference Object  

      Indoor localization accuracy estimation from fingerprint data 

      Nikitin, A.; Laoudias, Christos; Chatzimilioudis, Georgios; Karras, P.; Zeinalipour-Yazdi, Constantinos D. (Institute of Electrical and Electronics Engineers Inc., 2017)
      The demand for indoor localization services has led to the development of techniques that create a Fingerprint Map (FM) of sensor signals (e.g., magnetic, Wi-Fi, bluetooth) at designated positions in an indoor space and ...
    • Article  

      Internet-based Indoor Navigation Services 

      Zeinalipour-Yazdi, Constantinos D.; Laoudias, Christos; Georgiou, K.; Chatzimilioudis, Georgios (2017)
      The advances of smartphone technology in recent years is leading to the uptake of a new class of Internet-based Indoor Navigation (IIN) services, which might soon diminish the need of Satellite-based technologies in urban ...
    • Article  

      Managing big data experiments on smartphones 

      Larkou, G.; Mintzis, M.; Andreou, Panayiotis G.; Konstantinidis, Andreas; Zeinalipour-Yazdi, Constantinos D. (2016)
      The explosive number of smartphones with ever growing sensing and computing capabilities have brought a paradigm shift to many traditional domains of the computing field. Re-programming smartphones and instrumenting them ...
    • Article  

      Privacy-Preserving Indoor Localization on Smartphones 

      Konstantinidis, Andreas; Chatzimilioudis, Georgios; Zeinalipour-Yazdi, Constantinos D.; Mpeis, P.; Pelekis, N.; Theodoridis, Y. (2015)
      Indoor Positioning Systems (IPS) have recently received considerable attention, mainly because GPS is unavailable in indoor spaces and consumes considerable energy. On the other hand, predominant Smartphone OS localization ...
    • Conference Object  

      Privacy-preserving indoor localization on smartphones 

      Konstantinidis, Andreas; Chatzimilioudis, Georgios; Zeinalipour-Yazdi, Constantinos D.; Mpeis, P.; Pelekis, N.; Theodoridis, Y. (Institute of Electrical and Electronics Engineers Inc., 2016)
      Predominant smartphone OS localization subsystems currently rely on server-side localization processes, allowing the service provider to know the location of a user at all times. In this paper, we propose an innovative ...
    • Conference Object  

      Radio Map Prefetching for Indoor Navigation in Intermittently Connected Wi-Fi Networks 

      Konstantinidis, Andreas; Nikolaides, G.; Chatzimilioudis, Georgios; Evagorou, G.; Zeinalipour-Yazdi, Constantinos D.; Chrysanthis, Panos K. (Institute of Electrical and Electronics Engineers Inc., 2015)
      Wi-Fi (or WLAN) based indoor navigation applications for mobiles rely on cloud-based services (s) that take care of a user's (u) localization task using structures called Radio Maps (RMs). It is imperative for u to have a ...
    • Conference Object  

      A realistic evaluation and comparison of indoor location technologies: Experiences and lessons learned 

      Lymberopoulos, D.; Liu, J.; Yang, X.; Choudhury, R. R.; Handziski, V.; Sen, S.; Lemic, F.; Busch, J.; Jiang, Z.; Zou, H.; Jiang, H.; Ashok, A.; Xu, C.; Ghose, A.; Ahmed, N.; Zhang, C.; Xiao, Z.; Wen, H.; Schmid, T.; Lee, D.; Klepal, M.; Beder, C.; Nikodem, M.; Szymczak, S.; Hoffmann, P.; Selavo, L.; Giustiniano, D.; Lenders, V.; Rea, M.; Marcaletti, A.; Laoudias, Christos; Zeinalipour-Yazdi, Constantinos D.; Tsai, Y. -K; Abrudan, T. E.; Markham, A.; Bestmann, A.; Reimann, R.; Li, L.; Zhao, C.; Adler, S.; Schmitt, S.; Lazik, P.; Rajagopal, N.; Rowe, A.; Dentamaro, V.; Colucci, D.; Ambrosini, P.; Ferraz, A. S.; Martins, L. Q. L.; Bello, P.; Alvino, A.; Sark, V.; Pirkl, G.; Hevesi, P. (Association for Computing Machinery, Inc, 2015)
      We present the results, experiences and lessons learned from comparing a diverse set of technical approaches to indoor localization during the 2014 Microsoft Indoor Localization Competition. 22 different solutions to indoor ...