FIELD: physics; communication.
SUBSTANCE: wireless communication device, known as a mobile station (MS), contains a standard wireless communication system, as well as a communication subsystem of a wireless computer network and can also include positioning using global positioning system (GPS). An MS operator can use any or all of these systems to determine the current location of the MS. MS are provided with location based services, based on their current location, such as sales information, schedules, prices, maps etc. In a typical application several points for accessing a computer network, or radio beacons, are distributed on the whole geographical area and are used to determine location of an MS with significantly high degree of accuracy. Based on the current location of an MS radio beacons can provide location based services.
EFFECT: more accurate determination of location of a mobile communication device.
45 cl, 7 dwg
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Authors
Dates
2009-06-10—Published
2004-09-17—Filed