基于权重图增量的无线网络Relay节点选择算法  

Wireless Network Relay Node Selection Algorithm Based on Weight Graph Increment

作　　者：杨静[1] YANG Jing(Basic Experiment Center, Anhui Sanlian University, Hefei 230000, China)

机构地区：[1]安徽三联学院基础实验中心,安徽合肥230000

出　　处：《信息工程大学学报》2019年第5期538-541,559,共5页Journal of Information Engineering University

基　　金：校级平台重点资助项目(KJZD2019011)。

摘　　要：为提高增量式无线网络Relay节点优化选择能力,提出基于权重图增量的无线网络Relay节点选择算法。构建无线网络Relay节点的优化拓扑结构模型,结合增量式无线网络的信道均衡控制方法,进行Relay节点的输出链路转换控制,建立无线网络的优化拓扑结构模型;结合信道自适应均衡调制方法进行无线网络Relay节点的链路转换设计;结合自适应拓扑调制方法进行增量式无线网络的权重图谱特征提取。根据权重图谱的聚类性进行无线网络Relay节点的自适应选择和融合聚类,提取无线网络Relay节点输出信息的关联维特征量;根据特征聚类结果,实现无线网络Relay节点的优化部署和选择,完成无线网络的信道输出均衡控制。仿真结果表明,采用该方法进行无线网络Relay节点选择的自适应性较好,网络输出的信噪比较高,误比特率较低。In order to improve the optimization selection capability of the increment type wireless network Relay node,a wireless network Relay node selection algorithm based on the increment of the weight map is proposed.The optimized topological structure model of the wireless network Relay node is constructed,the output link conversion control of the Relay node is carried out in combination with the channel equalization control method of the incremental wireless network,the optimized topological structure model of the wireless network is established,the link conversion design of the wireless network Relay node is carried out in combination with the channel self-adaptive equalization modulation method,and the weight map feature extraction of the incremental wireless network is carried out in combination with an adaptive topology modulation method.According to the clustering property of the weight map,the self-adaptive selection and the fusion clustering of the wireless network Relay node are carried out.The correlation dimension characteristic quantity of the output information of the wireless network Relay node is extracted,the optimization deployment and the selection of the wireless network Relay node are realized according to the characteristic clustering result,and the channel output balance control of the wireless network is realized.Simulation results show that the self-adaptability of the wireless network Relay node selection is good,the signal-to-noise ratio of the network output is high,and the bit error rate is low.

关 键 词：权重图增量 无线网络 Relay节点 链路均衡 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]