Mobile User Positioning in GSM/UMTS Cellular Networks

There has been increased interest in developing location services for wireless communications systems over the last several years. Mobile network operators are continuously investigating new innovative services that allow them to increase the profit. In the days to come, location based service or LBS will be benefiting both the consumers and network operators. While the consumers can expect greater personal safety and more personalised features, the network operators will tackle discrete market segments based on the different service portfolios. This paper analyses radiolocation methods applicable to GSM/UMTS mobile station location, and compares them with other positioning techniques used today, giving an insight into the convergence of satellite and cellular positioning