NeTS ProWIN: Topology And Routing With Steerable Antennas

NetS ProWIN：可操纵天线的拓扑和路由

• 批准号: 0520312
• 负责人: Dirk Grunwald
• 金额: $ 50万
• 依托单位: University of Colorado at Boulder
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2005
• 资助国家: 美国
• 起止时间: 2005-09-01 至 2009-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0520312&HistoricalAwards=false
• 关键词: NeTS; ProWIN; Topology; Routing; Steerable

This project addresses the scalability of wireless networks when steerable phase array antennas are used by a subset of the network and builds on earlier work resulting in a modified MAC layer for such steerable antennas. This earlier found that limited use of that steerability was needed; rather than change antenna configuration on a packet-by-packet basis, antenna configurations are designed to target a slowly changing set of nodes. That work begged the question of how those slowly changing sets of nodes should be formed. This project uses spatial diversity to improve the efficiency of the physical layer and proposes a network layer that enables efficient spatial reuse at the physical layer. This includes dynamically defining the topology, or connectedness, of the network as well as the routing, or use of available connections. This problem is challenging because phase array antennas not only change the direction of RF signal, they also vary the strength of that signal. This project includes development and use of a research network combining fixed and mobile nodes using a combination of steerable and fixes antennas. This platform will use SoftMAC, a low cost software defined radio, to deploy prototype systems for in-field experimentation. Example applications for this project include city- and emergency service networks, and the researchers will be working with local Police and Fire departments to understand, model and analyze usage scenarios for these highly dynamic networks. The work in this project should make these rapidly deployed wireless networks more flexible and resistant to failure.

当网络的一个子集使用可通道的相数阵列天线时，该项目解决了无线网络的可扩展性，并基于早期工作，从而为此类可检测的天线提供了修改后的MAC层。早些时候发现，需要有限的可接触性使用。天线配置不是按包装逐个包装更改天线配置，而是旨在针对缓慢变化的节点集。这项工作乞求了如何形成那些缓慢变化的节点集的问题。 该项目使用空间多样性来提高物理层的效率，并提出一个网络层，该网络层可以在物理层上有效的空间重复使用。这包括动态定义网络的拓扑或连接性以及可用连接的路由或使用。这个问题是具有挑战性的，因为相位阵列天线不仅改变了RF信号的方向，而且还改变了该信号的强度。该项目包括开发和使用研究网络，结合了固定和移动节点，结合了可转让和固定天线的组合。该平台将使用低成本软件定义的无线电SoftMac来部署原型系统进行现场实验。该项目的示例申请包括城市和紧急服务网络，研究人员将与当地警察和消防部门合作了解，建模和分析这些高度动态的网络的使用情况。该项目中的工作应使这些快速部署的无线网络更加灵活和抵抗故障。