一种可见光网络的入网与网络维护设计  

Visible light network access and network maintenance design

作　　者：贾佳[1] 黄娅 陈默 周云龙 楼韬 JIA Jia;HUANG Ya;CHEN Mo;ZHOU Yunlong;LOU Tao(Beijing Special Engineering Design and Research Institute,Beijing 100028,China;Zhejiang Geespace Technology Co.,Ltd.,Shanghai 200233,China)

机构地区：[1]北京特种工程设计研究院,北京100028 [2]浙江时空道宇科技有限公司,上海200233

出　　处：《光通信技术》2024年第5期30-34,共5页Optical Communication Technology

摘　　要：为了简单有效地提升室内可见光网络有限带宽资源分配性能,设计了一种基于时分多址(TDMA)机制的入网与网络维护方法,详细描述了用户竞争入网流程和网络维护机制。通过设计具体的帧结构,分析了用户入网概率。实验结果表明:提入网与网络维护方法能够支持多个移动用户的灵活接入和资源动态分配,5个终端全部接入所需的总时间仅为25 ms,该方法工程实现简单,能有效提升资源利用率。In order to improve the limited bandwidth resource allocation performance of indoor visible light networks in a simple and effective manner,a network access and maintenance method based on time division multiple access(TDMA)mechanism was designed,and the user competition network access process and network maintenance mechanism were described in detail.By designing specific frame structures,the probability of users accessing the network was analyzed.The experimental results show that the network access and maintenance method can support flexible access and dynamic resource allocation for multiple mobile users.The total time required for all five terminals to access is only 25 ms.This method is easy to implement in engineering and can effectively improve resource utilization.

关 键 词：可见光通信 时分 竞争入网 网络维护 动态分配 

分 类 号：TN91[电子电信—通信与信息系统]