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无线Mesh网络(WMN)中使用多信道可有效增加网络吞吐量并降低干扰,针对多接口多信道WMN的信道分配问题,以最小化信道干扰为目标,提出一种结合遗传算法(GA)和模拟退火(SA)算法的WMN信道分配方案。首先利用GA进行全局搜索,获得较优解,然后将这些较优解作为SA的输入,利用SA进行局部搜索寻找到最优解。实验结果表明,在不同信道数量和接口数量下,相比于其他基于智能算法的信道分配方案,该方法具有较高网络吞吐量和较低的信道冲突。
The use of multi-channel in WMN can effectively increase the network throughput and reduce the interference. In order to minimize the channel interference, aiming at the problem of channel assignment in multi-interface and multi-channel WMN, a genetic algorithm (GA) WMN Channel Allocation Scheme for Annealing (SA) Algorithm. First of all, we use GA to search globally and obtain better solutions. Then, we use these optimal solutions as the input of SA and local search of SA to find the optimal solution. The experimental results show that this method has higher network throughput and lower channel conflicts than other intelligent channel-based schemes under different channel numbers and interfaces.