基于NB-IOT技术的公共交通显示牌设计

Design of public transport display card based on NB-IOT Technology

针对目前公交车站缺乏目标车辆位置信息或目标车辆信息检测错误率太高、耗资过大、接收灵敏度低、功耗高等问题,文章提出了一种基于NB-IOT(基于蜂窝的窄带物联网)无线通信技术的公交位置信息显示系统;该方案以一种新兴的NB-IOT技术的无线通信为核心,结合了低功耗的MSP430系列单片机,并采用GPS定位模块实时传输位置信息,共同构成了一个目标公交位置信息显示系统;本文重点介绍了新兴无线通信技术NB-IOT云透传的应用和如何实现对GPS位置数据的分析并对当前位置的拥堵情况做出精准判断以及各车辆根据间隔距离自主控制行驶车速;实验结果表明,该设计功耗以及开销低、信息传输快速准确、通信距离远、信号强度高、抗环境干扰能力强,并且该方案在一定程度上增加了交通参与者的出行满意度,推动了智能交通以及物联网时代的发展。

Aiming at the lack of bus station is too high,too costly,low power consumption and high sensitivity receiver error rate target location information of the vehicle or the target vehicle information detection,this paper proposes a method based on NB-IOT （network object based on narrowband cellular）wireless communication technology of the bus position information display system;the scheme in a wireless communication the emerging NB-IOT technology as the core,combined with the MSP430 Series MCU with low power consumption,and the use of GPS positioning module real-time transmission of location information,constitute a target location of the bus information display system;the emerging wireless communication technology NB-IOT cloud transmission applications and how to realize the analysis of location data and GPS congestion on the current position and make accurate judgments of the vehicle according to the distance between autonomous control speed;the experimental results show that the The design of power consumption and low cost,quick and accurate information transmission,long communication distance,high signal intensity and anti-interference ability,and the solution to some extent increase traffic participants travel atisfaction,promote the development of intelligent transportation and networking era.