Lorys L. Pognon  wrote a white paper on the techniques to determine location on UMTS networks. The paper answer questions such as can we get location information on UMTS networks the same way we get location on Cell-ID over GSM networks.

LBS (Location-Based Services) is a recent concept that denotes applications integrating geographic location (spatial coordinates). One of the important aspect of LBS is the location of the mobile user. Depending on the network, the location techniques are differents. This paper gives a brief detail of some existing technologies that could be used for mobile user localisation.

Download here the [pdf]. (via)

Tags: CellID, hack, location awareness, Location Based Services