基于LoRa技术的车辆检测系统组网设计  

Network Design of Vehicle Detection System Based on LoRa Technology

作　　者：李钧威 孙旭飞[1] Li Junwei;Sun Xufei(School of Physics and Information Engineering,Fuzhou University,Fuzhou Fujian,350108)

机构地区：[1]福州大学物理与信息工程学院,福建福州350108

出　　处：《电子测试》2022年第1期67-70,共4页Electronic Test

摘　　要：针对城市交叉路口的交通信号机与车辆检测器有线传输存在路面开挖和空中架设等问题,本文提出了一种基于LoRa无线技术的车辆检测系统组网设计,结合信号控制对交通流信息的实时传输要求,研究制定了无线组网方案、通信协议以及系统的硬件结构,通过搭建硬件系统以及进行简单的通讯测试实验,验证了系统方案的可行性。Aiming at the problems of road excavation and aerial erection in the wired transmission of traffic signal controller and vehicle detector at urban intersection,this paper proposes a networking design of vehicle detection system based on Lora wireless technology.Combined with the requirements of signal control for real-time transmission of traffic flow information,the wireless networking scheme,communication protocol and hardware structure of the system are studied and formulated,Through the construction of hardware system and simple communication test experiment,the feasibility of the system scheme is verified.

关 键 词：交叉路口 车辆检测系统 LoRa STM32 TDMA 

分 类 号：U495[交通运输工程—交通运输规划与管理]