Issue link: https://read.uberflip.com/i/1539840
Developing LoRaWAN Devices Technical Recommendation TR007-1.1 ©2021-2025 LoRa Alliance ® Page 3 of 28 The authors reserve the right to change documents without notice. Contents 66 Contents ............................................................................................................................... 3 67 1 Conventions ................................................................................................................. 5 68 1.1 Specification References .......................................................................................... 5 69 2 Introduction .................................................................................................................. 6 70 3 Provisioning ................................................................................................................. 7 71 3.1 Extended-Unique-Identifier (EUI) ............................................................................. 7 72 3.2 Device Address (DevAddr) ...................................................................................... 7 73 3.3 Security Keys ........................................................................................................... 8 74 3.4 OTAA Device Provisioning ....................................................................................... 8 75 3.4.1 Device EUI (DevEUI) ......................................................................................... 8 76 3.4.2 Join Server EUI (JoinEUI) ................................................................................ 8 77 3.4.3 Root Key(s) ........................................................................................................ 9 78 3.5 ABP Devices .......................................................................................................... 10 79 3.5.1 Device Address (DevAddr) .............................................................................. 10 80 3.5.2 Session Keys .................................................................................................... 10 81 3.6 Physical Provisioning ............................................................................................. 10 82 4 LoRaWAN Protocol Stack .......................................................................................... 11 83 4.1 Join Procedure ....................................................................................................... 11 84 4.1.1 Description ....................................................................................................... 11 85 4.1.2 Recommended Practice ................................................................................... 11 86 4.2 Fixed Channel Plan Join Process Optimization ...................................................... 11 87 4.2.1 Description ....................................................................................................... 11 88 4.2.2 Recommended Practice ................................................................................... 11 89 4.3 Detecting Loss of Network Connectivity ................................................................. 12 90 4.3.1 Description ....................................................................................................... 12 91 4.3.2 Recommended Practice ................................................................................... 12 92 4.4 Reacting to Loss of Network Connectivity .............................................................. 13 93 4.4.1 Description ....................................................................................................... 13 94 4.4.2 Recommended Practice ................................................................................... 13 95 4.5 Rolling Session Keys ............................................................................................. 14 96 4.5.1 Description ....................................................................................................... 14 97 4.5.2 Recommended Practice ................................................................................... 14 98 4.6 DevNonce Values SHALL Not Be Reused ............................................................. 14 99 4.6.1 Description ....................................................................................................... 14 100 4.6.2 Recommended Practice ................................................................................... 15 101 4.7 Avoiding Synchronous Behavior ............................................................................. 15 102 4.7.1 Description ....................................................................................................... 15 103 4.7.2 Recommended Practice ................................................................................... 15 104 4.8 Avoiding Congestion Collapse................................................................................ 15 105 4.8.1 Description ....................................................................................................... 15 106 4.8.2 Recommended Practice ................................................................................... 16 107 4.9 Discontinuing Retransmissions .............................................................................. 17 108 4.9.1 Description ....................................................................................................... 17 109 4.9.2 Recommended Practice ................................................................................... 17 110 4.10 Default Channels.................................................................................................... 18 111 4.10.1 Description ....................................................................................................... 18 112