Enhancing Partial Packet Recovery in RLNC Using Homomorphic Message Authentication Codes

IF 4.4 3区 计算机科学 Q2 TELECOMMUNICATIONS
Amin Fathi;Peyman Pahlevani
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引用次数: 0

Abstract

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.
利用同态消息认证码增强RLNC中的部分包恢复
网络编码通过传输编码分组来增强无线通信。然而,传输错误经常导致不必要的数据包丢弃,即使大多数数据保持完整。现有的恢复方法解决了这个问题,但在嘈杂的环境中存在高恢复延迟和校验和冲突引起的误报,从而导致冗余重传。这封信提出了一种新的方法,称为组合恢复,取代传统的循环冗余校验(CRC)码与同态消息认证码(HMAC)。通过利用hmac的同态特性,组合恢复引入了一种技术,可以在显著降低搜索复杂性的同时实现有效的纠错。各种场景的仿真结果表明,组合恢复消除了重传,显著降低了恢复延迟,为噪声信道上的可靠通信提供了鲁棒高效的解决方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
IEEE Communications Letters
IEEE Communications Letters 工程技术-电信学
CiteScore
8.10
自引率
7.30%
发文量
590
审稿时长
2.8 months
期刊介绍: The IEEE Communications Letters publishes short papers in a rapid publication cycle on advances in the state-of-the-art of communication over different media and channels including wire, underground, waveguide, optical fiber, and storage channels. Both theoretical contributions (including new techniques, concepts, and analyses) and practical contributions (including system experiments and prototypes, and new applications) are encouraged. This journal focuses on the physical layer and the link layer of communication systems.
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