EARS: SAVANT - High Performance Dynamic Spectrum Access via Inter Network Collaboration

该项目旨在通过无线电资源管理方面的网络间协作，显著提高频谱效率。提出的SAVANT（通过网络间协作的频谱访问）架构基于一个新的协议接口，用于在相邻网络之间传播频谱使用信息、策略和算法，以实现频谱共存算法，从而减少干扰并提高频谱打包效率。正在开发一种新的域间频谱协调协议（ISCP），使独立网络能够协商无线电资源管理策略，并可选择合并无线电资源控制器以进行联合优化。将进行的研究范围包括ISCP协议设计/验证、涉及网络协作的替代算法的评估、原型实现和性能评估。该项目的方法论包括分析、模拟和实验原型的混合。开发了无线电定位、传播和干扰的广义分析模型，并将其纳入使用ISCP协议框架的网络间合作的仿真研究中。这些仿真模型有望提供对协作无线电资源优化算法类型的深入了解，并对ISCP开销、复杂性和性能进行定量评估。该项目还包括一个实验性原型跟踪，其中使用新兴的软件定义网络（SDN）技术开发具有多个协作网络的概念验证系统。拟议的ISCP网络间协议在无线频谱利用方面有很大的潜力，因此可能影响未来的工业标准。该项目还将制作用于培训研究生软件定义网络和无线系统的教材。

This project is aimed at achieving significant spectrum efficiency gains through inter network collaboration in radio resource management. The proposed SAVANT (spectrum access via inter network collaboration) architecture is based on a new protocol interface for dissemination of spectrum usage information, policies and algorithms between neighboring networks to enable spectrum coexistence algorithms that reduce interference and improve spectrum packing efficiency. A new inter-domain spectrum coordination protocol (ISCP) is being developed to enable independent networks to negotiate radio resource management policies and optionally merge radio resource controllers for joint optimization.The scope of research to be conducted includes ISCP protocol design/validation, evaluation of alternative algorithms involving network collaboration, prototype implementation and performance evaluation. The methodology for the project involves a mix of analysis, simulation and experimental prototyping. Generalized analytical models for radio localization, propagation and interference are developed and incorporated into simulation studies of inter-network cooperation using the ISCP protocol framework. These simulation models are expected to provide insight into the type of collaborative radio resource optimization algorithm to be used along with quantitative evaluation of ISCP overhead, complexity and performance. The project also includes an experimental prototyping track in which emerging software-defined network (SDN) technology is used to develop a proof-of-concept system with multiple collaborating networks. The proposed ISCP inter-network protocol has the potential for large gains in wireless spectrum utilization, and could thus influence future industry standards. The project will also produce educational materials for training of graduate students in software-defined networking and wireless systems.