【IOT】LoRaWAN报文

 

Preamble PHDR PHDR_CRC PHYPayload CRC*
         
MHDR MACPayload MIC
1B   4B
Mtype RFU Major AppEUI DevEUI DevNonce
3b 3b 2b 8B 8B 2B

 

Join Accept (MType = 1)
Preamble PHDR PHDR_CRC PHYPayload CRC*
         
MHDR MACPayload MIC
1B   4B
Mtype RFU Major AppNonce NetID DevAddr DLSettings RxDelay CFList
3b 3b 2b 3B 3B 4B 1B 1B 16B(变长)
入网成功后协议格式( 9 > MType > 1)
Preamble PHDR PHDR_CRC PHYPayload CRC*
         
MHDR MACPayload MIC
1B   4B
Mtype RFU Major FHDR Fport FRMPayload
7~23B
3b 3b 2b DevAddr FCtrl FCnt Fopts 0~1B 0~N B
4B 1B 2B 0~15B
ADR ADRACKReq ACK Fpending/RFU FOptsLen
7th b 6th b 5th b 4th b 3~0th b
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转载自blog.csdn.net/wangbotao1990/article/details/102905404
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