利用ns2进行的圆形设置的无线网络仿真，使用DSR协议。-A simulation of circled wireless network under DSR protocol in NS-2.

Approach: NS-2 is an open source system that is developed using C++ and Tool Control Language TCL. Researchers can freely add new components to the system to server their own purposes. The latest version of NS-2 is version 2.28. Within this version,