The method's validity is verified by using NS2 simulator.

通过NS2模拟器验证了该算法的有效性。

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And then we introduce the network simulator NS2, discuss its structure, principle and function.

接着，本文详细介绍了网络模拟器ns2，阐述了其结构，原理，功能。

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With the help of simulator tool — NS2, simulation has verify the performance of this algorithm, has improved delay and throughput of the wireless LAN, reach better performance to require.

在NS2仿真工具的帮助下，模拟验证了该算法的性能，改善了无线网络的延迟与吞吐量，达到更好的性能要求。

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