针对船舶移动和海洋特殊环境本文采用了无线Mesh自组网来实现海上通信。本文首先介绍了Mesh网络的关键技术和OPNET网络仿真平台,然后给出了海上无线Mesh网络架构,最后通过OPNET平台对OLSR协议、DSR协议和AODV协议的时延、投递率和吞吐量进行了仿真分析,得出AODV协议的性能优于其他两种协议,更适合应用于海上通信。 Aiming at the special environment of ship movement and ocean, this paper adopts wireless Mesh ad hoc network to realize maritime communication. In this paper, the key technologies of Mesh network and OPNET network simulation platform are introduced firstly. Then the architecture of wireless Mesh network at sea is given. Finally, the delay, delivery rate and throughput of OLSR protocol, DSR protocol and AODV protocol are simulated by OPNET platform Analysis shows that the AODV protocol performs better than the other two protocols and is more suitable for maritime communications.