Design And Realization Of IoT Gateway Middleware Plug And Play Scheme Based On Open Source Hardware

In recent years,with the rapid development of Internet of Things(IoT)technology,the application field of the Internet of things is becoming more and more extensive.Therefore,a lot of sensor devices are needed to connect to IoT to provide the required resources for the development of IoT application.IoT gateway plays an important role as a bridge that make all kinds of sensor devices seamless access to IoT.Currently,there are still some problems in IoT gateway:different sensors and different communication protocol make the process that sensor devices access to IoT complicated.For developers of IoT applications,there is a lack of an effective unified communication protocol framework enables the IoT devices to flexible join network.In order to solve the above problems,on the basis of open source hardware platform,the thesis design and realizes the IoT gateway middleware plug and play(PnP)system scheme.Firstly,a deep research on the related technologies was made for the thesis,and the main research contents include IoT gateway middleware,PnP,Web of Things(WoT)and open source hardware and so on.Summarize and analyze the current research status and key technologies.Then,this thesis puts forward a architecture of two layers gateway which is based on the open source hardware by combining the gateway middleware technology with AllJoyn communication protocol framework,and focuses on the PnP module in the gateway middleware.At the same time,the data processing module,device registration module and data upload module is studied.Combined WoT technology,the devices resources are open to the WoT platform.Finally,the system is deployed in the actual environment,and the plug and play function of the system is verified by the application of the case.