Patent attributes
A method of aerial surveillance including sending from a building management system (BMS), to a computer system, an alarm condition. The method further including programming, by the computer system, a drone with a route to a location of interest, wherein the route includes a portion of a map, the map including a data structure representation of a number of radio-frequency (RF) devices associated with one or more surveillance locations. The drone navigates to the location of interest by triangulating its position on the route using signals from the number of RF devices. The method further including sending, by the drone, to the computer system, sensor data including image data in response to arriving at the location of interest.