There are number of technological alternatives for locating the position of user equipment, including terminal-based and network-based solutions. As an introduction, the basic techniques are discussed in this section. The location technologies are typically grouped as network-centric, where the mobile phone network is used to locate the device, or station-centric, which requires additional stations, such as satellites or additional radio transmitters, to provide the location.
KeywordsGlobal Position System User Equipment Global Position System Receiver Timing Advance Differential Global Position System
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