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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Vydáno v:	IEEE communications letters Ročník 29; číslo 9; s. 2118 - 2122
Hlavní autoři:	Fathi, Amin, Pahlevani, Peyman
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York IEEE 01.09.2025 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	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
On-line přístup:	Získat plný text
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Shrnutí:	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.
Bibliografie:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14
ISSN:	1089-7798 1558-2558
DOI:	10.1109/LCOMM.2025.3587820