| 摘要 |
<p>A method for geolocating a wireless communication unit. The method comprises receiving measurement data for radio frequency (RF) signals between the wireless communication unit and at least one base transceiver station (310), calculating an RF measurement based geolocation estimate for the wireless communication unit based at least partly on the received RF signal measurement data (315), obtaining geographical area data for at least one wireless coverage area visible to the wireless communication unit (320), determining a geolocation validation area based at least partly on the obtained geographical area data for the at least one wireless coverage area visible to the wireless communication unit (325), and deriving a confidence factor for the RF measurement based geolocation estimate based at least partly on the determined geolocation validation area (335).
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