FIELD: information technology.
SUBSTANCE: mobile communication device uses a position finding method using a position finding filter, for example a Kalman filter which is initialised by measurements from reference stations, for example satellites and/or base stations, which can be obtained during different periods. Accordingly, the position finding filter can be used to evaluate the position without the need to first obtain at least three different signals during the same measurement period.
EFFECT: high efficiency and reliability of position finding for mobile receivers of a global positioning system in unfavourable signal propagation conditions when coincidence of range measurements may not occur on time.
40 cl, 9 dwg
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