A system for railway applications using beamforming transmission in a millimeter wave spectrum between antennas of a Communications Based Train Control (CBTC) system and devices in an environment. Performing a beam training with a target device of the devices located in the environment to measure beam signal values and environmental responses for different beams transmitted over the different beam angles using control circuitry connected with the antennas. Control circuitry selects, in response to the beam training, at least one dominant angle for a beamforming communication with the target device. Access stored fingerprinting data that includes values indicative of link attributes associated with beam signal measurements with states of devices and states of environments. Estimating from the mapping stored fingerprinting data, a state of the target device and/or a state of the environment, corresponding to environmental responses for different beams estimated during the beam training.


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    Title :

    Localization using Millimeter Wave Beam Attributes for Railway Applications


    Contributors:

    Publication date :

    2021-05-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr



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