Detection, recognition and counter measures against unwanted UAVS

Small Unmanned Aerial Vehicles (UAVs) are getting better, cheaper and more accessible. As a result, they become more and more used in new areas of application. A side effect of this development an increasing number of more or less hazardous incidents with these systems can be noticed. Not only illegal activities as spying and drug transportation, but also disturbance or even simple mishaps which can happen with any technical system can lead to dangerous situations. In this paper a concept of new Low Altitude Air Surveillance Control (LASC) system is described, which can be utilized to keep urban air space controlled and safe. The LASC concept is based on multi-sensor detection, localization, tracking and classification or identification of small UAVs integrated in a scalable system providing interactive threat and risk assessment as well as selection possibilities for adequate counter measures.