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LoRaWAN ® Relay Specification TS011-1.0.0 ©2022 LoRa Alliance ® Page 4 of 60 The authors reserve the right to change specifications without notice. 10.3 Manage Join-Request Forward List (FilterListReq, FilterListAns) ........................... 39 125 10.4 Add End-Device to Uplink Forward List (UpdateUplinkListReq, 126 UpdateUplinkListAns) ............................................................................................. 40 127 10.5 Manage End-Device from Uplink Forward List (CtrlUplinkListReq, 128 CtrlUplinkListAns) ................................................................................................... 41 129 10.6 Manage Forwarding Limitations (ConfigureFwdLimitReq, 130 ConfigureFwdLimitAns) .......................................................................................... 42 131 10.7 Notify New End-Device Under a Relay (NotifyNewEndDeviceReq) ........................ 44 132 11 Certification ................................................................................................................ 45 133 11.1 Relay Certification .................................................................................................. 45 134 11.2 End-Device Certification ......................................................................................... 45 135 12 Glossary .................................................................................................................... 46 136 13 Bibliography ............................................................................................................... 47 137 13.1 References............................................................................................................. 47 138 APPENDIX 1: Relay/End-Device Synchronization .............................................................. 48 139 APPENDIX 2: Security Considerations ............................................................................... 52 140 A. Relay Node and Associated Relay Protocol ........................................................... 52 141 B. Relay Protocol Between the End-Device and NS ................................................... 53 142 C. WOR Protocol ........................................................................................................ 53 143 D. New Links .............................................................................................................. 55 144 APPENDIX 3: Filter/Forward Example ................................................................................ 58 145 APPENDIX 4: Network Time Synchronization ..................................................................... 59 146 APPENDIX 5: End-Device Relay Mode Activation Management ......................................... 60 147 148 149 Tables 150 Table 1: RootWorSKey key source derivation ..................................................................... 20 151 Table 2: WOR format .......................................................................................................... 22 152 Table 3: WORHeader format ............................................................................................... 22 153 Table 4: WORType decoding .............................................................................................. 22 154 Table 5: WOR Relay Join-Request format .......................................................................... 23 155 Table 6: WorDrPL format .................................................................................................... 23 156 Table 7: WOR Relay Class A Uplink ................................................................................... 23 157 Table 8: WorUplink format................................................................................................... 23 158 Table 9: WorDrPL format .................................................................................................... 24 159 Table 10: Block A WOR format ............................................................................................... 24 160 Table 11: B0 block for MIC computation in WOR Relay Class A Uplink .............................. 24 161 Table 12: WOR ACK Relay Class A Uplink format .............................................................. 25 162 Table 13: AckUplink format ................................................................................................. 25 163 Table 14:StateSync format ............................................................................................... 25 164 Table 15: CadToRx decoding .............................................................................................. 25 165 Table 16: Forward decoding ................................................................................................ 25 166 Table 17: XTALAccuracy decoding ..................................................................................... 26 167 Table 18: CADPeriodicity decoding ..................................................................................... 26 168 Table 19: Block A ACK format ................................................................................................ 26 169 Table 20: WOR block for MIC computation in WOR ACK .................................................... 27 170 Table 21: B0 block for MIC computation in WOR ACK ........................................................ 27 171 Table 22: Forwarded uplink timing ...................................................................................... 29 172 Table 23: Forwarding limit list .............................................................................................. 31 173 Table 24: Message limits .................................................................................................... 32 174 Table 25: Network session key vs LoRaWAN version ......................................................... 33 175 Table 26: ForwardUplinkReq format .................................................................................... 33 176 Table 27: UplinkMetadata format ....................................................................................... 33 177

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