基于QoS机制的无源光网络电网数字智能化通信研究  

Research on Digital Intelligent Communication of Passive Optical Network Power Grid Based on QoS Mechanism

作　　者：付泉泳 赵妍妍 吴纯模 邓勇 FU Quan-yong;ZHAO Yan-yan;WU Chun-mo;DENG Yong(State Grid Chongqing Information&Telecommunication Company,Chongqing 401121,China;Sichuan JieLi Information Technology Co.,Ltd.,Chengdu 610000,China)

机构地区：[1]国网重庆市电力公司信息通信分公司,重庆401121 [2]四川杰励信息技术有限公司,四川成都610000

出　　处：《光学与光电技术》2023年第5期43-51,共9页Optics & Optoelectronic Technology

摘　　要：智能电网应用需要及时可靠的数据通信系统,但是传统的光纤无线传感器网络(FiWSN)系统可能无法满足其短延迟要求。因此,基于服务质量(QoS)机制提出了一种适用于无源光网络(PON)电网的数字智能化通信机制(XWMOC)。首先,通过无线通信网络与光网络单元(ONU)合作,减少延迟的同时避免外部设备的干扰影响;其次,在无线传感器网络中通过应用层和介质访问控制层(MAC)之间的跨层交互,减少数据包延迟。最后,通过两个优先级队列向光编码ONU引入服务差异化,实现最终通信速率及可靠性提升。基于上述方法,结合国网重庆市相关地区用户数据,采用IEEE802.15.4标准进行远距离保护和同步器的研究实验。实验结果表明,提出的机制可以实现电网数字智能化通信,减少Fi-WSN系统和长距离无源光网络(LR PON)中的端到端延迟,同时,为智能电网应用提供了更加高效、可靠的数据通信系统。Smart grid applications need timely and reliable data communication systems,but the traditional fiber optic wireless sensor network(Fi WSN)system may not meet its short delay requirements.Therefore,a digital intelligent communication mechanism(XWMOC)for passive optical network(PON)based on the quality of service(QoS)mechanism is proposed in this paper.Firstly,cooperate with optical network units(ONUs)through wireless communication networks to reduce latency while avoiding interference from external devices.Secondly,the cross layer interaction between the application layer and the medium access control layer(MAC)can reduce packet delay in wireless sensor networks.Finally,by introducing service differentiation into the optical encoding ONU through two priority queues,the ultimate communication rate and reliability improvement can be achieved.Based on the above method and combined with user data from relevant regions of State Grid Chongqing,the research experiment on remote protection and synchronizer was conducted using the IEEE 802.15.4 standard.The experimental results show that the mechanism proposed in this paper can realize digital intelligent communication of power grid,reduce the end-to-end delay in Fi WSN system and long-distance passive optical network(LR PON),and provide a more efficient and reliable data communication system for smart grid applications.

关 键 词：光纤无线传感器网络 QOS机制 无源光网络 无线通信 智能化 

分 类 号：TN929.1[电子电信—通信与信息系统]