面向多协议的物联网网关架构和中间件设计

Design of Gateway and Middleware for Multi-protocol Internet of Things

针对Zig Bee、Bluetooth和Wifi等不同的无线设备,提出了一种ARM网关的架构,能够集成多种不同无线通信协议,设计了一种异构节点间的信息交互方式和流程。网关进行数据转换的同时还以有线网络(以太网)的方式将数据映射到由Mysql构成的管理数据库,在数据库中分别建立状态表、目标表、指令表、数据格式表,描述了管理数据库的整个结构和运行流程。并以LabVIEW为例,给出了控制流程,说明了上层组态软件如何通过对管理数据库的操作实现对不同节点的控制和组网。能使用户方便地通过操控数据库中间件,实现对底层各异构子网段中节点的测控,满足客户端对不同无线网络平台高效和灵活的控制要求,加强了智能家居系统的可操作性。

For ZigBee, Bluetooth, Wifi and other wireless devices, this paper puts forward a framework which can integrate a variety of different wireless communication protocol based on ARM gateway. The process for heterogeneous nodes is designed to exchange data. Gateway can converse and map the data to database which consists of the Mysql da- tabase management system by Ethernet. The target table, instruction table and data format are established respectively. The management of the entire structure of the database and process is described. In the case of LabVIEW, this paper shows the control process and illustrates the configuration software operating the management database to achieve controlling the different communication nodes and networking. The framework helps users easily operate the hardware system, meets requirements of efficient and flexible control for different wireless platforms and greatly enhances the operability of smart home system.