The use of beamforming techniques at the ground station is known to be effective in obtaining coverage extension or SNR gain for communication with unmanned aerial vehicles (UAVs). When a UAV moves, periodic beam tracking is necessary to maintain beam gain. To track beams for multiple UAVs, the ground station needs to receive different preambles from multiple UAVs. In this paper, a Hadamard sequence is considered for designing preambles for multiple UAVs because of its ideal cross-correlation property. A preamble appropriate for a GMSK-based communication system with multiple UAVs is proposed after analyzing the property of received signals in the system with the Hadamard sequence as the input.


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    Title :

    Beam Tracking Technique for Multiple Unmanned Aerial Vehicles


    Contributors:


    Publication date :

    2017-06-01


    Size :

    590132 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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