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. 2025 Apr 9;25(8):2383. doi: 10.3390/s25082383
Algorithm 2 Reactive Jamming—Scenario II
  •   1:

    while  True  do

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        signal ← ReadSignalFromBladeRF (868.1 MHz, 2 MHz bandwidth)

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        for SF in {SF7, SF8, SF9, SF10, SF11, SF12} do

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            if ChirpDetector(signal, SF) == True and not detectionFlag then

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               frequency ← CalculateCenterFrequency(signal)

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               alignedFrequency ← AlignFrequencyToLoRaWANChannel(frequency)

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               if alignedFrequency is valid then

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                   detectionFlag ← True

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                   detectedSF ← SF

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                   detectedFreq ← alignedFrequency

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                   SetBladeRFTransmitterFrequency(detectedFreq)

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                   selectorBlock.switchInput ← jammingWaveform[detectedSF] Switch to jamming waveform

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                   Wait(jammingDuration)

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                   selectorBlock.switchInput ← zeroFilledVector Switch back to zero-filled vector

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                   Wait(cooldownPeriod)

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                   detectionFlag ← False

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              end if

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           end if

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         end for

  • 20:

    end while