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摘要：移动Ad hoc网络是一种不需要基础设施的无线自组织网络，它适用于抢险救灾等无基础设施的临时通信场合。目前对移动Ad hoc网络研究最多的是路由协议。OLSR路由协议是其中的一种表驱动路由协议。本文根据OLSR路由协议的规范，提出和实现了相应的原理性算法。剖析了OLSR路由协议算法的原理：链路侦听、邻居探测、多点中继MPR的选择、拓扑控制分组的扩散、计算路由表。根据OLSR路由协议规范，结合Linux操作系统平台，实现了OLSR关键算法的设计方案。编译了适合实验设备的Linux内核，组建了一个基于OLSR路由协议的自组织网络。实验结果的分析证明了设计的OLSR路由协议达到了传输过程中传送数据速度快、占用传输带宽小且在节点移动后仍可迅速建立新路由的要求，保证了数据传输的质量。
关键词：移动Ad hoc网络；OLSR路由协议；Linux；路由
OLSR Routing Protocol algorithm Design in Ad hoc Networks
Abstract：Mobile Ad hoc network is a wireless multi-hop network without pre-established infrastructure. It can be used for temporary communication in emergency environments. The main research in the mobile ad hoc network is routing protocol, in which OLSR (Optimum link State Routing Protocol) is a standardized table-driven routing protocol. According to the OLSR routing protocol specification, this paper proposes and realizes the corresponding implementation of principle algorithm and analyses the OLSR routing protocol algorithm core principles such as detection of link, detection of neighbors, choice of MPR, extend of topology control, routing table calculation. According to the OLSR routing protocol specification, the OLSR routing protocol algorithm is achieved on Linux operating system platforms. After compiling the Linux kernel for experimental equipment, a routing protocol based on OLSR is formed. The experimental results showed that the OLSR routing protocol designed in this paper, has satisfied the requirement that fast transmission, low occupation on bandwidth and fast establishment new routing after node moving. And the transmission quality has been assured also.
Key words：Mobile Ad hoc wireless network, Optimized Link State Routing, Linux, Route
