Abstract: A computer-implemented method for determining information for the deployment of one or more small cells into an existing MNO network, the method comprising: retrieving a spatial map of building locations; retrieving a plurality of sensor data on the MNO network collected from a plurality of mobile network devices, wherein the sensor data comprises a measurement location; processing the plurality of sensor data and the spatial map of building locations to generate a spatial map of performance and/or usage characteristics of the MNO network.