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中文摘要：
节点稀疏情况下,源节点无法建立完备的保护路径,端到端连接的可靠性降低。提出了一种适合于动态网络拓扑的自适应分段路径保护机制,该机制把端到端路径分成多个较短的段,并按照当前拓扑情况为其建立保护路径,以提高端到端路径的可靠性。仿真结果表明,通过适当的额外数据包开销所得到的分组投递率、端到端时延和路由发现次数都比传统路径保护机制有明显改善。
英文摘要：
The complete protecting path cannot be established in the sparse scenario,and thus the reliability of the end-to-end path decreases.An adaptive partial multipath protecting mechanism which suits for the dynamical topology is proposed.Firstly,the end-to-end path is divided into several segments,and then the protecting path can be established in according with the current network topology,thus the reliability of the end-to-end path is enhanced effectively.Simulations show that the network performance such as packet delivery ratio,end-to-end delay and route discovery times are improved by using the proposed adaptive partial path protecting mechanism.
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A Priority Based Opportunistic Routing Mechanism for Real-time Voice Service in Mobile Ad hoc Networ
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