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LoRaWAN Fragmented Data Block Transport v1.0.0 Specification ©2018 LoRa Alliance™ Page 21 of 30 The authors reserve the right to change specifications without notice. 538 Figure 2 : 32x32 matrix A built during decoding process 539 540 541

• Cover
• 1 Conventions
• 2 Introduction
• 3 Downlink Fragmentation Transport Message Package
• 3.1 PackageVersionReq & Ans
• 3.2 FragSessionSetupReq & Ans
• 3.3 FragSessionDeleteReq & Ans
• 3.4 Downlink Data Fragment message
• 3.5 FragSessionStatusReq & Ans
• 4 File integrity check and authentication
• 5 Fragmentation algorithm
• Appendix: Data block fragmentation forward error correction code proposal
• 6 Introduction
• 7 Fragment error coding
• 8 Fragment decoding and reassembling
• 9 Performance of the coding scheme.
• 10 End-device memory requirement
• 11 Preliminary Matlab code
• 12 Glossary
• 13 Bibliography
• 13.1 References
• 14 NOTICE OF USE AND DISCLOSURE