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04-05-2021 | Issue 1/2021

Wireless Personal Communications 1/2021

A Perspective on Network Coding Based on Packet Length

Journal:
Wireless Personal Communications > Issue 1/2021
Author:
Seyed Masoud Mirrezaei
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Abstract

Network coding (NC) significantly increases communication opportunities and improves network performance. The focus of most research is on performance analysis with the same packet length of input flows. However, the length of packets is different in real networks and affects network coding performance. In this paper, first we proposed an asynchronous network coding strategy with periodic broadcasting at the relay node and simulated the relation between the broadcasting period and the coding gain. Second, we took the packet length into consideration and obtained the mathematical relation between the coding gain and the packet length for a given arrival rate. Finally, we verified the results via simulation. Our work showed that the impact of the packet length could not be ignored when using network coding. The methodology to improve the performance of NC in real networks is provided when the statistical length of packets is considered.

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