ns 仿真中的smac 源代码。

在ns2中仿真无线传感器网络mac层协议的代码smac-smac code in ns-2

根据队列信息，使ns中的smac可以自适应地改变占空比。-depending on the queue, make smac changes the duty cycle dynamicly

Ns is a discrete event simulator targeted at networking research. Ns provides substantial support for simulation of TCP, routing, and multicast protocols over wired and wireless (local and satellite) networks.