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Published in:
2018 | OriginalPaper | Chapter
Routing Protocol Design for LEO Satellite Networks with Uni-directional Links
Authors : Juan Wei, Lihong Wang, Shixuan Feng
Published in: Communications and Networking
Publisher: Springer International Publishing
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Abstract
Most of the existing routing protocols designed for LEO satellite networks assume that links are bi-directional symmetric links, which is in contradiction with appearance of Uni-directional link. Those protocols may decrease their performance or at worst cannot establish any path under Uni-directional links existence. In this paper, we will present an efficient routing protocol for LEO satellite networks with Uni-directional links. However, using Uni-directional link introduces new problems such as detection of link disconnection. In order to solve these problems, we employ the group strategy and parallel computing. Simulation results show that more packets could be delivered than Datagram Routing Algorithm (DRA) with pruning Uni-directional links. It is also shown that average end-to-end delay can be decreased in some extent by using group strategy and parallel computing.