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COGNITIVE ALLOCATION OF TDMA RESOURCES IN THE PRESENCE OF A RADIO ALTIMETER

  • US 20170181146A1
  • Filed: 12/17/2015
  • Published: 06/22/2017
  • Est. Priority Date: 12/17/2015
  • Status: Active Grant
First Claim
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1. A wireless device network comprising:

  • a plurality of device nodes that share a radio frequency spectrum using time-division multiple access (TDMA), wherein the plurality of device nodes are configured to transmit wireless communications on a plurality of channels during a future TDMA frame of communication, wherein each respective channel of the plurality of channels has a plurality of timeslots associated with the respective channel; and

    a timeslot allocation function comprising a processor and a memory, the processor configured to;

    receive signal characterization data characterizing at least a first radio altimeter signal transmitted by at least a first radio altimeter;

    using the signal characterization data, predict a frequency of at least the first radio altimeter signal during the future TDMA frame of communication;

    identify conflicting timeslots associated with each respective channel of the plurality of channels, wherein the predicted frequency of the at least a first radio altimeter signal overlaps with the respective channel during the conflicting timeslots; and

    transmit a TDMA timeslot allocation, for wireless communications during the future TDMA frame of communication, to the plurality of device nodes, wherein the TDMA timeslot allocation includes non-conflicting timeslots associated with each respective channel of the plurality of channels, wherein the predicted frequency of the at least a first radio altimeter signal does not overlap with the respective channel during the non-conflicting timeslots.

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