Load Balancing Routing Algorithm Based on Extended Link States in LEO Constellation Network

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As an important part of satellite commu-nication network,LEO satellite constellation network is one of the hot research directions.Since the non-uniform distribution of terrestrial services may cause inter-satellite link congestion,improving network load balancing performance has become one of the key is-sues that need to be solved for routing algorithms in LEO network.Therefore,by expanding the range of available paths and combining the congestion avoid-ance mechanism,a load balancing routing algorithm based on extended link states in LEO constellation net-work is proposed.Simulation results show that the algorithm achieves a balanced distribution of traffic load,reduces link congestion and packet loss rate,and improves throughput of LEO satellite network.
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