Integration of indoor location networks into the UMTS architecture: assistant location networks

In this paper we propose the integration of high-precision indoor location networks - such as RADAR or Bluetooth Location Networks (BLNs) - into the UMTS architecture. Thus, in our approach, such networks become assistant location networks, to improve cell-ID location precision indoors. We demonstrate that assistant location networks are scalable and propose their integration into the UMTS core network via a NBAP extension.