The disclosed subject matter generally relates to hybrid positioning systems and methods and, more specifically, systems and methods of detecting moved WLAN assess points using a wireless local area network based positioning system (WLAN-PS) and a satellite-based positioning system (SPS) with at least...http://www.google.de/patents/US8154454?utm_source=gb-gplus-sharePatent US8154454 - Systems and methods for using a satellite positioning system to detect moved WLAN access points
