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LoRaWAN ® Fragmented Data Block Transport Specification TS004-2.0.0 ©2022 LoRa Alliance ® Page 2 of 32 The authors reserve the right to change specifications without notice. 42 43 LoRaWAN ® Fragmented Data Block 44 Transport Specification 45 TS004-2.0.0 46 47 Authored by the FUOTA Working Group of the LoRa Alliance Technical Committee 48 49 Technical Committee Chair and Vice-Chair: 50 A. YEGIN (Actility), O. SELLER (Semtech) 51 52 Working Group Chair: 53 J. CATALANO (Kerlink) 54 55 Editor: 56 J. CATALANO (Kerlink) 57 58 Contributors: 59 R. APFELDORFER (Actility), J. CATALANO (Kerlink), J-P. COUPIGNY 60 (STMicroelectronics), P. DUFFY (Cisco), A. KAUPPILA (ARM), M. LE GOURRIEREC 61 (Sagemcom), N. SORNIN (Semtech), J. STOKKING (The Things Network Foundation), 62 D. THOLL (Tektelic), A. YEGIN (Actility), X. YU (Alibaba), O. ZVONAROV (Comcast) 63 64 65 Version: 2.0.0 66 Date: April 2022 67 Status: FINAL 68 69

• Cover
• 1 Conventions
• 2 Introduction
• 2.1 Definitions
• 3 Fragmented Data Block Transport Package
• 3.1 Package Version Commands (PackageVersionReq, PackageVersionAns)
• 3.2 Fragmentation Session Status Commands (FragSessionStatusReq, FragSessionStatusAns)
• 3.3 Fragmentation Session Setup Commands (FragSessionSetupReq, FragSessionSetupAns)
• 3.4 Fragmentation Session Delete Commands (FragSessionDeleteReq, FragSessionDeleteAns)
• 3.5 Fragmentation Data Block Received Commands (FragDataBlockReceivedReq, FragDataBlockReceivedAns)
• 3.6 Data Fragment Message (DataFragment)
• 4 Data Block Integrity Check and Authentication
• 5 Fragmentation Algorithms
• 6 Revisions
• 6.1 Revision 1.0.0
• 6.2 Revision 2.0.0
• 7 Glossary
• 8 Bibliography
• 8.1 References
• APPENDIX: Data Block Fragmentation Forward Error Correction Code
• A.1 Fragment Error Coding
• A.2 Fragment Decoding and Reassembly
• A.3 Performance of the Coding Scheme
• A.4 End-Device Memory Requirement
• A.5 Preliminary MATLAB Code