Browsing by Subject "Wi-Fi"

Now showing items 1-5 of 5

    • Conference Object  

      Continuous all k-nearest-neighbor querying in smartphone networks 

      Chatzimilioudis, Georgios; Zeinalipour-Yazdi, Constantinos D.; Lee, W. -C; Dikaiakos, Marios D. (2012)
      Consider a centralized query operator that identifies to every smart phone user its k geographically nearest neighbors at all times, a query we coin Continuous All k-Nearest Neighbor (CAkNN). Such an operator could be ...
    • Conference Object  

      Cooperation among access points for enhanced quality of service in dense wireless environments 

      Antoniou, Josephina; Lesta, Vicky Papadopoulou; Libman, L.; Pitsillides, Andreas; Dehkordi, H. R. (Institute of Electrical and Electronics Engineers Inc., 2014)
      The high popularity of Wi-Fi technology for wireless access has led to a common problem of densely deployed access points (APs) in residential or commercial buildings, competing to use the same or overlapping frequency ...
    • Conference Object  

      Demo: Indoor geolocation on multi-sensor smartphones 

      Li, C. -L; Laoudias, Christos; Larkou, G.; Tsai, Y. -K; Zeinalipour-Yazdi, Constantinos D.; Panayiotou, Christos G. (2013)
      In this demo, we present an efficient hybrid indoor positioning solution that uses multi-sensory location-oriented observations, including WiFi, accelerometer, gyroscope and digital compass data, that are widely available ...
    • 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  

      Towards planet-scale localization on smartphones with a partial radiomap 

      Konstantinidis, Andreas; Chatzimilioudis, Georgios; Laoudias, Christos; Nicolaou, Silouanos; Zeinalipour-Yazdi, Constantinos D. (2012)
      The majority of smartphone localization systems use Assisted-GPS for fine-grained localization in outdoor spaces or WiFi-based RSS (Received Signal Strength) technologies for coarse-grain positioning in indoor and outdoor ...