Dynamic Network-Code Design for Satellite Networks
Itay Shrem, Ben Grinboim, and OFer Amrani

TL;DR
This paper introduces a dynamic network coding framework for satellite networks with changing topologies, demonstrating improved performance over static codes through simulation and proposing an efficient method to select optimal coding strategies.
Contribution
It presents a novel dynamic network coding approach tailored for satellite networks with time-varying conditions, extending the concept of generalized acyclic networks.
Findings
Dynamic coding outperforms static codes in satellite network simulations.
Proposed test effectively identifies the best coding approach for given network conditions.
Simulation based on Iridium-like satellite constellation confirms the advantages of the new methods.
Abstract
Internet access from space enjoys renaissance as satellites in Mega-Constellations is no longer fictitious. Network capacity, subject to power and computational complexity constraints among other challenges, is a major goal in this type of networks. This work studies Network Coding in the presence of dynamically changing network conditions. The notion of generalized acyclic network is introduced and employed for promoting the generation of linear-multicast network code for what is considered to be a cyclic network. The performance of several network coding schemes, among these is the known static network code, is evaluated by a STK simulation for a swarm of communicating satellites, conceptually based on the Iridium system. Exploiting the prior knowledge of the networks topology over time, new network coding approaches are described, whose aim is to better cope with the time-varying,…
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Taxonomy
TopicsCooperative Communication and Network Coding · Satellite Communication Systems · Full-Duplex Wireless Communications
