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LoRa

  • LoRa - Long Rang - PHY 层
    • 低能耗、长距离 - 例如乡村可达到 10KM
    • 27 Kbps - 0.3 Kbps
    • 基于 chirp spread spectrum (CSS)
    • 433 MHz, 868 MHz 欧洲 ,915 MHz 澳大利亚及北美洲, 923 MHz 亚洲
  • LoRaWAN - Link 层
    • 0.3 kbit/s - 50 kbit/s
  • LoRaX - LoRaWAN Range extender
  • LPWA = LoRa+LoRaWAN
  • SF - spreading factor - 扩散因子
    • 7-12
  • LinkWAN
  • 芯片: SX1261, SX1262, SX1268, SX1272, SX1276, SX1278, SX1302
  • 参考
    • LoRa Alliance - 2015 - 非赢利组织
    • https://www.lora-alliance.org
    • IEEE 802.11ah
    • DASH7
    • NB-IoT
    • LTE CAT M1
    • CN470
    • EU868 - 863–870/873 MHz
    • IN865 - 865–867 MHz
    • RU864
    • North America - US915 - 902–928 MHz
    • South America - AU915/AS923-1 - 915–928 MHz
    • AU915
    • Asia - AS923 - 915–928 MHz
    • KR920
    • 阿里 ALINK
    • Provider