| A DISTRIBUTED QOS ROUTING BASED ON ANT ALGORITHM FOR LEO SATELLITE NETWORK |
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| 作者姓名： | Xu Hui Huang Fei Wu Shiqi |
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| 作者单位： | National Key Lab，University of Electronic Science and Technology of China，Chengdu 610054，China |
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| 基金项目： | Supported by the National Natural Science Foundation of China (No.60372013). |
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| 摘 要： | Low Earth Orbit (LEO) satellites provide short round-trip delays and are becoming in- creasingly important. One of the challenges in LEO satellite networks is the development of specialized and efficient routing algorithms. To satisfy the QoS requirements of multimedia applications, satellite routing protocols should consider handovers and minimize their effect on the active connections. A distributed QoS routing scheme based on heuristic ant algorithm is proposed for satisfying delay bound and avoiding link congestion. Simulation results show that the call blocking probabilities of this al- gorithm are less than that of Shortest Path First (SPF) with different delay bound.
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| 关 键 词： | 卫星通信 通信技术 设计方案 通信理论 |
| 收稿时间： | 13 March 2006 |
| 修稿时间： | 2006-03-13 |
A distributed QoS routing based on ant algorithm for LEO satellite network |
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| Xu Hui Huang Fei Wu Shiqi.A DISTRIBUTED QOS ROUTING BASED ON ANT ALGORITHM FOR LEO SATELLITE NETWORK[J].Journal of Electronics,2007,24(6):765-771. |
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| Authors: | Xu Hui Huang Fei Wu Shiqi |
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| Affiliation: | National Key Lab, University of Electronic Science and Technology of China, Chengdu 610054, China |
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| Abstract: | Low Earth Orbit (LEO) satellites provide short round-trip delays and are becoming in- creasingly important. One of the challenges in LEO satellite networks is the development of specialized and efficient routing algorithms. To satisfy the QoS requirements of multimedia applications, satellite routing protocols should consider handovers and minimize their effect on the active connections. A distributed QoS routing scheme based on heuristic ant algorithm is proposed for satisfying delay bound and avoiding link congestion. Simulation results show that the call blocking probabilities of this al- gorithm are less than that of Shortest Path First (SPF) with different delay bound. |
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| Keywords: | Low Earth Orbit (LEO) satellite network Routing Ant algorithm QoS |
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