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CWISA-103 · Question #53

What modulation is used by LoRa?

The correct answer is B. CSS. LoRa Modulation: LoRa (Long Range) is a proprietary wireless technology that utilizes Chirp Spread Spectrum (CSS) modulation. CSS Characteristics: Spread spectrum technique for resilience against interference. Chirps (frequency sweeps) enable operation below the noise floor for…

Wireless IoT Technologies and Protocols

Question

What modulation is used by LoRa?

Options

  • AOFDMA
  • BCSS
  • CASK
  • DOFDM

How the community answered

(36 responses)
  • A
    6% (2)
  • B
    81% (29)
  • C
    11% (4)
  • D
    3% (1)

Explanation

LoRa Modulation: LoRa (Long Range) is a proprietary wireless technology that utilizes Chirp Spread Spectrum (CSS) modulation. CSS Characteristics: Spread spectrum technique for resilience against interference. Chirps (frequency sweeps) enable operation below the noise floor for long range.

Topics

#LoRa#CSS#modulation#LPWAN

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