A broadcast device (10) for wirelessly broadcasting information pertaining to a first aircraft (1) comprises a positioning device (11) configured to determine a position (P1) of the broadcast device (10). The position comprises a latitude, a longitude, and an altitude. A control unit (12) of the broadcast device (10) is configured to receive this position (P1) via an internal bus. Then, the control unit (12) truncates the latitude and the longitude and generates a data packet (DI) based on the truncated latitude, the truncated longitude, the altitude, and an identifier (ID1) of the broadcast device (10). Further, the data packet (D1) comprises a pair c1=(e1, m1) with an exponent (e1) being a natural number and with a mantissa (m1) being a natural number. This pair (c1) is indicative of a value (v1). The data packet (D1) is then wirelessly broadcasted by means of a radio transmitter (13) of the broadcast device (10). Thus, bandwidth is saved compared to broadcasting the untruncated position (P1) and/or the value (v1). On the receiver side, ambiguities are resolved by the principle of locality due to limited radio range. This way, an efficient yet unambiguous collision avoidance system for aircraft can be implemented.


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    Title :

    AIRCRAFT COLLISION AVOIDANCE METHOD AND DEVICE


    Contributors:

    Publication date :

    2024-11-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H04B TRANSMISSION , Übertragung / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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