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In Synchronization in telecommunications applications holdover is defined by ETSI as: An operating condition of a clock which has lost its controlling input and is using stored data, acquired while in locked operation, to control its output. The stored data are used to control phase and frequency variations, allowing the locked condition to be ...
Mobile security. Mobile security, or mobile device security, is the protection of smartphones, tablets, and laptops from threats associated with wireless computing. [ 1] It has become increasingly important in mobile computing. The security of personal and business information now stored on smartphones is of particular concern.
This is a list of notable commercial satellite navigation software (also known as GPS software) for various devices, with a specific focus on mobile phones, tablets, tablet PCs, (Android, iOS, Windows). Zenrin, AutoNavi, Geocentre Consulting, Tele Atlas, Google Map Maker, SK telecom, ORION-ME, INEGI, AfriGIS (Pty) Ltd, Inst. Geogr.
Assisted GNSS ( A-GNSS) is a GNSS augmentation system that often significantly improves the startup performance—i.e., time-to-first-fix (TTFF)—of a global navigation satellite system (GNSS). A-GNSS works by providing the necessary data to the device via a radio network instead of the slow satellite link, essentially "warming up" the ...
Mobile phone tracking is a process for identifying the location of a mobile phone, whether stationary or moving. Localization may be affected by a number of technologies, such as the multilateration of radio signals between (several) cell towers of the network and the phone or by simply using GNSS. To locate a mobile phone using multilateration ...
OsmAnd ( / ˈoʊsəmænd /; [3] OpenStreetMap Automated Navigation Directions) is a map and navigation app for Android and iOS. [4] It uses the OpenStreetMap (OSM) map database for its primary displays, but is an independent app not endorsed by the OpenStreetMap Foundation. It is available in both free and paid versions; the latter unlocks the ...
Google Maps Navigation. Google Maps Navigation is a mobile application developed by Google for the Android and iOS operating systems that later integrated into the Google Maps mobile app. The application uses an Internet connection to a GPS navigation system to provide turn-by-turn voice-guided instructions on how to arrive at a given ...
August 10, 2024 at 6:36 PM. By James Pearson. LAS VEGAS (Reuters) - A recent surge in GPS “spoofing”, a form of digital attack which can send commercial airliners off course, has entered an ...