Interference Cancellation Scheme Based on Network Coding in Blockchain-Enabled Internet of Things

Congyue Wang; Baofeng Ji; Da Li

doi:10.54097/jceim.v10i3.8685

Authors

Congyue Wang
Baofeng Ji
Da Li

DOI:

https://doi.org/10.54097/jceim.v10i3.8685

Keywords:

Network Coding, Interference Cancellation, IoT, Blockchain

Abstract

In the face of an explosive increase in the number of IoT devices, the IoT model using blockchain technology, like the traditional IoT system, has a common problem, that is, the communication quality is seriously affected by various interferences, which directly limits the improvement of the service quality of the blockchain-enabled IoT system. Therefore, it is of great practical significance to study the interference problem in the existing Internet of Things system using blockchain technology and propose methods to reduce interference. This paper compares and analyzes the performance of two-slot and three-slot network coding enhanced systems, and designs a new MAC layer protocol for blockchain-enabled IoT systems based on network coding technology. On this basis, through enhanced information transmission at the MAC layer and network coding at the physical layer, the multi-layer collaborative communication method is used to reduce the interference between the IoT system devices enabled by the blockchain. The simulation results show that the use of network coding technology can effectively reduce the mutual interference between data sending nodes in the blockchain-enabled IoT system.

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