Enhancing Partial Packet Recovery in RLNC Using Homomorphic Message Authentication Codes

Network coding enhances wireless communication by transmitting coded packets. However, transmission errors often lead to unnecessary packet discards, even when most data remains intact. Existing recovery methods address this issue but suffer from high recovery delays in noisy environments and false...

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Veröffentlicht in:IEEE communications letters Jg. 29; H. 9; S. 2118 - 2122
Hauptverfasser: Fathi, Amin, Pahlevani, Peyman
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York IEEE 01.09.2025
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:
Decoding
Encoding
Error correction
Homomorphic message authentication codes
Message authentication
Messages
Network coding
Noise measurement
noisy channel
Packet transmission
partial packet recovery
random linear network coding
Receivers
Recovery
Redundancy
Symbols
Transmission error
Vectors
Wireless communication
Wireless communications
ISSN:1089-7798, 1558-2558
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Zusammenfassung:Network coding enhances wireless communication by transmitting coded packets. However, transmission errors often lead to unnecessary packet discards, even when most data remains intact. Existing recovery methods address this issue but suffer from high recovery delays in noisy environments and false positives caused by checksum collisions, resulting in redundant retransmissions. This letter presents a novel method, termed Combined Recovery, which replaces traditional Cyclic Redundancy Check (CRC) codes with Homomorphic Message Authentication Codes (HMAC). By exploiting the homomorphic property of HMACs, Combined Recovery introduces a technique that enables efficient error correction with notably reduced search complexity. Simulation results across various scenarios demonstrate that Combined Recovery eliminates retransmissions and significantly reduces recovery delay, providing a robust and efficient solution for reliable communication over noisy channels.
Bibliographie:ObjectType-Article-1
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ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2025.3587820