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EPC and 4G Packet Networks, 2nd Edition by Catherine Mulligan, Magnus Olsson

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Chapter 13

Positioning

Positioning is the process of determining the geographical location of a device – such as a mobile phone, laptop or tablet computer, or navigation or tracking equipment. Once the coordinates of a device have been established, they can be mapped to a location – such as a road, a building, a park, or an object – and then delivered back to the requesting service. The mapping function and the delivery of location information are part of location services (LCS) – which, for example, Emergency Services depend on. Customer services that offer added value by being location aware are known as location-based services (LBSs). In addition to supporting customer services for users, location services can also be used to optimize network ...

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