定向网络中基于多信道的跨层多径路由协议设计  

Multi-channel Based Cross-layer Multi-path Routing Protocol Design in Directed Networks

作　　者：赵佳 程锋利 杨爽 ZHAO Jia;CHENG Fengli;YANG Shuang(Wuhan Zhongyuan Communication Co.,Ltd.,Wuhan Hubei 430205,China)

机构地区：[1]武汉中元通信股份有限公司,湖北武汉430205

出　　处：《通信技术》2024年第7期695-700,共6页Communications Technology

摘　　要：随着高集成小型化射频技术的发展,多信道定向天线成为提升网络组网容量的新手段,基于此主要研究了无线自组网中基于多信道定向天线的跨层组网协议。以优化的链路状态路由(Optimized Link State Routing,OLSR)协议为基础,充分考察了多信道-单节点各无线信道的时变性质。首先,通过跨层信息共享节点的邻居关系,削减协议开销;其次,跨层获取节点的当前发送速率、负载,并与跳数相结合,设计了一种跨层时变的路由度量方法;最后,充分发挥多信道优势,提出了一种零耦合的多径路由协议。仿真结果表明,所提的多信道跨层多径路由协议能够显著降低网络层的路由开销,提升网络吞吐量。With the development of highly integrated miniaturized RF technology,multi-channel directed antennas become a new means to enhance network capacity.For this reason,this paper mainly studies crosslayer networking protocols based on multi-channel directed antennas in wireless ad hoc networks.Based on the OLSR(Optimized Link State Routing)protocol,the time-varying properties of each wireless channel is fully examined.First,the protocol overhead is reduced by sharing neighbor relationship with cross-layer information.Then,a cross-layer time-varying path metric is designed by obtaining the current sending rate and load of a node across layers and combining it with the hop count.Finally,a zero-coupling multipath routing protocol is proposed by taking full advantage of multi-channel.Simulation results indicate that the proposed multi-channel cross-layer multi-path routing protocol can significantly reduce the routing overhead at the network layer and improve the network throughput.

关 键 词：定向天线 多信道-单节点 多径路由 跨层 

分 类 号：TN915.4[电子电信—通信与信息系统]