一种高可靠的移动感知RPL路由协议  

A highly reliable mobile-aware RPL protocol

作　　者：谢雨珈 姚玉坤[1] 孙宇 XIE Yujia;YAO Yukun;SUN Yu(School of Communication and Information Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,China)

机构地区：[1]重庆邮电大学通信与信息工程学院,重庆400065

出　　处：《微电子学与计算机》2024年第12期60-68,共9页Microelectronics & Computer

基　　金：国家自然科学基金(61971080)。

摘　　要：低功耗有损网络路由协议最初为静态网络设计,在移动场景下仍存在许多难题,因为节点的移动会导致数据包丢失、能量损耗等问题。为了提高链路可靠性,延长网络寿命,提出了一种高可靠的移动感知RPL路由协议(Highly Reliable Mobile-aware RPL protocol,HRM-RPL)。首先,采用多指标模糊逻辑的链路质量检测机制判断节点的移动,以实现可靠的数据通信。其次,在移动节点切换父节点阶段设计两种新的定时器,实现主动切换。最后,综合考虑链路质量,节点的能耗及跳数,以完善移动节点的最优父节点选择机制。同时,HRM-RPL中通过修改控制消息的保留字段,在能够兼容原始协议的前提下实现所提的机制。仿真结果证明,该协议在数据传输成功率、控制开销、网络生存时间等方面的性能均有一定的提升。The Routing Protocol for LLN(RPL),originally designed for static networks,still has many challenges in mobile scenarios,as the movement of nodes can lead to packet loss,energy loss,and other problems.A highly reliable mobile-aware RPL protocol(HRM-RPL)is proposed to improve link reliability and extend network lifetime.Firstly,a link quality detection mechanism with multi-indicator fuzzy logic is used to determine the movement of nodes to achieve reliable data communication.Secondly,two new timers are designed in the phase of mobile node switching parent node to realize active switching of node.Finally,the link quality,energy consumption and the number of hops are considered comprehensively to improve the optimal parent node selection mechanism of mobile nodes.At the same time,HRM-RPL implements the proposed mechanism on the premise of compatibility with the original protocol by modifying the retained fields of the control message.The simulation results show that the performance of the protocol is improved in the aspects of data transmission success rate,control cost and network lifetime.

关 键 词：低功耗有损网络 RPL路由协议 移动感知 链路质量 模糊逻辑 

分 类 号：TN92[电子电信—通信与信息系统]