轻量级LoRa物联网通讯系统  

A lightweight Communications System of the LoRa IoT

作　　者：俞啸东 YU Xiaodong(Ruijie Networks Co.,Ltd.,Fuzhou,Fujian Province,350002 China)

机构地区：[1]锐捷网络股份有限公司,福建福州350002

出　　处：《科技创新导报》2020年第22期143-146,共4页Science and Technology Innovation Herald

摘　　要：针对中小型场景下传感数据采集的物联网网络,本文提出一种轻量级LoRa物联网通讯系统模型。该网络系统模型基于LoRa广域物联网技术,对基站的通讯芯片方案、无线通讯方式以及关键器件和标准协议改进优化。实验表明该系统模型具有低成本特点,适用于企业或个人快速在确保信号覆盖范围和并发量的特性基础上,快速构建一张广域物联通讯网络用于传感数据采集的传输。Aiming at the IoT network of sensing data acquisition in small and medium-sized scenarios,this paper proposes a lightweight communications system of the LoRa IoT.Based on LoRa wide-area internet of things technology,the network system model improves and optimizes the communication chip scheme,wireless communication mode,key devices and standard protocols.Experiments show that the system model has the characteristics of low cost and is suitable for enterprises or individuals to construct a wide-area object-connected communication network for sensing data acquisition.

关 键 词：SX1278混合芯片方案 低噪声放大器 Conf irmed/unconf irmed机制 随机碰撞模型 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]