LoRaWAN Backend Interfaces
The authors reserve the right to change
specifications without notice.
Contents
1 Introduction .................................................................................................................. 6
2 Conventions ................................................................................................................. 7
3 Network Reference Model ............................................................................................ 8
4 End-Device Types and States .................................................................................... 12
5 Commissioning Procedure ......................................................................................... 14
6 Activation of ABP End-Devices .................................................................................. 15
7 Activation of OTA End-Devices .................................................................................. 16
8 OTA Activation at Home Procedure ........................................................................... 17
9 Deactivation (Exit) of OTA End-Devices ..................................................................... 20
10 Security Associations ................................................................................................. 21
11 Roaming Procedure ................................................................................................... 22
11.1 Types of Roaming .................................................................................................. 22
11.2 Roaming Policy ...................................................................................................... 23
11.3 Passive Roaming ................................................................................................... 24
11.3.1 Passive Roaming Start ..................................................................................... 24
11.3.2 Packet Transmission ........................................................................................ 26
11.3.3 Passive Roaming Stop ..................................................................................... 28
11.4 Handover Roaming ................................................................................................ 30
11.4.1 Handover Roaming Start .................................................................................. 30
11.4.2 Packet Transmission ........................................................................................ 34
11.4.3 Handover Roaming Stop .................................................................................. 34
11.4.4 Home NS Regaining Control ............................................................................ 35
12 OTA Roaming Activation Procedure........................................................................... 38
12.1 Handover Roaming Activation ................................................................................ 38
12.1.1 Handover Roaming Start .................................................................................. 38
12.1.2 Packet Transmission ........................................................................................ 41
12.1.3 Handover Roaming Stop .................................................................................. 41
12.2 Passive Roaming Activation ................................................................................... 41
12.2.1 Passive Roaming Start ..................................................................................... 41
12.2.1 Packet Transmission ........................................................................................ 45
12.2.2 Passive Roaming Stop ..................................................................................... 45
13 DevAddr Assignment ................................................................................................. 46
14 Periodic Recovery ...................................................................................................... 48
15 Rekeying and DevAddr Reassignment ....................................................................... 49
16 Packet Metadata ........................................................................................................ 50
16.1 UL Packet Metadata ............................................................................................... 50
16.2 DL Packet Metadata ............................................................................................... 52
17 Profiles ....................................................................................................................... 53
17.1 Device Profile ......................................................................................................... 53
17.2 Service Profile ........................................................................................................ 53
17.3 Routing Profile ....................................................................................................... 54
18 Usage Data Records .................................................................................................. 55
18.1 Network Activation Record ..................................................................................... 55
18.2 Network Traffic Record........................................................................................... 55
19 JoinEUI and NetID Resolution.................................................................................... 57
19.1 DNS configuration .................................................................................................. 57
19.2 NetID Resolution .................................................................................................... 58
19.3 JoinEUI Resolution ................................................................................................. 59
20 Transport Layer ......................................................................................................... 60
21 Key Transport Security............................................................................................... 61
22 Messages and Payloads ............................................................................................ 62
22.1 Encoding ................................................................................................................ 62
