Design And Implementation Of Embedded Digital Home Gateway System

At present,the computer technology and the network technology rapid development,promote information in various industries,but also for the digital home,combined with the actual needs of digital home,according to the digital home gateway management,put forward a digital home network based on the embedded system,and promote the digital home information level further,improve the efficiency of cyber source the use of.Home gateway is the core of the future home network,this thesis combines the concrete project,presents a design of the architecture of hardware and software of home gateway based on DHIA,the software system of home gateway design mainly includes the operating system layer,the middle layer,software layer three chromatography,and at the same time,the system will be divided into three main function modules are respectively UDRM module,analysis module and interface middleware file file analysis module.At the same time,in order to realize the user interaction for the content better,in this paper the interface specification based markup language to realize the data content of the package and provide service,and the interface specification as well as the template for the detailed design,the template can complete the message definition,process design.The effective management is the key to guarantee the implementation of various services and applications in digital home gateway for the digital home gateway in the network,adopt QoS(Quality of Service)the way for the realization of digital home gateway system operation,improve the availability and quality of service network,in the experimental simulation,the network architecture of QoS and the algorithm was used to verify the algorithm and experimental validity,set on the QoS bandwidth limit and parameters setting of hunger rate can achieve good dynamic adjustment,through the simulation experiment and simulation can be seen in front of the simple QoS better than the cyber source control and allocation,fairness and enhance the network quality of service,further improve the high availability of network bandwidth.According to the three main function modules in front of division,explains the realization details such as driven development process function interface of them,finally the function testing,after testing the system has achieved the design goal,to meet the needs of users.Through this research,will build an strong point for integrated information service platform for digital home,and other value-added services,for reference of digital home construction.