This paper describes the development of a system for indoor intrusion detection that takes advantage of interference between asynchronous millimetre-wave radars. The approach exploits the information embedded in the interference pattern observed in the Doppler domain when two or more radars operate in a common environment and share the same frequency spectrum. By continuously monitoring the interference, it is possible to detect the corresponding energy variations. A sharp decrease in the interference energy is thus interpreted as an intrusion of an object or a person. Within this approach the source of the interference can be identified taking advantage of beam-forming of MIMO radars. Compared with the standard configuration, which exploits the reflection of radar signals, the proposed setup has the advantage of maximizing the energy available for intrusion detection and an increased capacity of obstacles and walls penetration. When combined with the capacity of mobile robots to dynamically position the radars, this scheme permits the implementation of highly versatile intrusion detection solutions.


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    Title :

    Asynchronous mmWave Radar Interference for Indoor Intrusion Detection


    Additional title:

    Advs in Intelligent Syst., Computing



    Conference:

    Iberian Robotics conference ; 2019 ; Porto, Portugal November 20, 2019 - November 22, 2019



    Publication date :

    2019-11-20


    Size :

    12 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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