摘要
Ad Hoc无线网络的基本形式是采取对等节点的形式进行通信 ,其缺点是通信距离有限 ,且网内只能有一种通信协议。采用了一种新的体系结构 ,在该体系结构中 ,整个网络分为 2层 (骨干网层和子网层 ) :子网即普通的 Ad Hoc网 ,而骨干网 (backbone)专门负责各个子网之间的通信 (包括路由和协议转换功能 )。采用 MCF52 72充当骨干网的多协议路由器 ;使用嵌入式操作系统 u Clinux来进行系统资源管理 ,运行路由和协议转换模块 ;网络节点通过无线接口与路由器相连浏览 Internet。
The elementary communication form of an Ad Hoc wi re less network is peertopeer communication, which leads to the fac t that the communication distance is limited and that there can be only a single kind of protocol in an Ad Hoc network We employ a new kind of hierarchy, in w hich the whole network is divided into two layers (the backbone and the subnetworks): the subnetworks are ordinary Ad Hoc networks but the back bone is in charge of the communication between subnetworks (including ro uting and protocoltransforming functions) specially When we implement our network, MCF5272s serve as multiprotocol routers of the backbone; uClinux,an embedded operating system, is used to manage the resources of the sys tem and run the routing and protocoltransforming modules; network nodes can browse the Internet by connecting their wireless ports with the routers of the backbone
出处
《现代电子技术》
2004年第2期43-46,共4页
Modern Electronics Technique
