Study Based On OPNET And HLA Of Tactical Communications Network OLSR Router Protocol Simulation

As one of the greatest inventions of the 20th century, Internet has become an indispensable part of people daily life, it not only improve the quality of the People’s Daily life, and in the field of modern military war, Internet occupies the very important position world like war two aircraft, tanks, etc. It is even more important than these weapons and equipment. The United States as the world’s most powerful military, it never stop and even slow down the pace of computer Internet applications in military operations. From the gulf war, the war in Iraq, even American troops on saddam hussein and osama bin laden terrorist hunt, all using it modern tactical communication Internet real-time combat information or terrorists hiding information data transmitted to the U.S. military command. The U.S. military is using the accurate news implemented correctly military action, which hit the terrorist organization, to protect the safety of the country and its people.In tactical communication network simulation, the target’s movement speed, bearing and other state is always changing, in order to meet the requirements of the simulation, It is not desirable that network modeling object of all status value were set, it can’t image of the scene simulation network, its biggest characteristic is to have the significant "on-the-move", so the network simulation software to interact with the user interface, which can prove the capacity of simulation topology changes, parameter modification, so that it close to the real network simulation scenario. Therefore it become the preferred mode of networking and brought attention to the national army. In the face of military technology revolution, all countries in the world for research, actively make their own tactical Internet.At first, this paper deeply studies the tactical communication network of network architecture, it expounds the function of the network structure of five levels; Then analyzed Tactical communication network layer protocol, according to its existing table driven routing and the characteristics of on-demand routing, design a simple, strong adaptability, easy deployment OLSR routing protocol. On this basis, using the network simulation software OPNET Modeler, set up the unique communication mechanism based on HLA structure of tactical communication network and its network model and node model, realize the highly modular and hierarchical; Then studied the principle of hardware-in-the-loop simulation method and the working principle of OPNET HLA interface module, to achieve the HLA simulation system is added to the system of the original structure under the new and old joint simulation. It can satisfy the function of each network level, also provides a reliable basis for later work. Finally realized the state member of the OLSR routing protocol based on OPNET and interactive simulation, for network planning and design to provide objective and reliable quantitative basis.