Dynamic spectrum access and management in next generation heterogeneous wireless access networks

下一代异构无线接入网络中的动态频谱接入和管理

• 批准号: 249500-2009
• 负责人: Hossain, Ekram
• 金额: $ 3.35万
• 依托单位: University of Manitoba
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2013
• 资助国家: 加拿大
• 起止时间: 2013-01-01 至 2014-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=524678
• 关键词: Dynamic; spectrum; access; management; next

Next generation wireless/mobile communications systems are being developed with the vision of heterogeneity in which a mobile user/device will be able to connect to multiple wireless networks such as cellular wireless, WiFi, and WiMAX networks simultaneously. Heterogeneous wireless systems will achieve efficient wireless resource utilization, seamless handoff, and global mobility to enable mobile users to connect to the Internet in a seamless manner. Dynamic spectrum sharing (DSA) is a new design paradigm to enhance the radio spectrum usage efficiency in next generation heterogeneous wireless access networks. Different from traditional static spectrum allocation, in DSA, radio spectrum can be dynamically coordinated and allocated to radio access networks (RANs) and mobile users through the use of cognitive radio (CR) technique. Protocol engineering and architecture design for broadband heterogeneous wireless access systems based on DSA is an emerging research area. The major challenge here is to manage radio spectrum and other wireless resources efficiently from the service providers' point of view for maximum capacity and improved return on investment while satisfying the requirements for the different wireless services and applications. The objective of the proposed research is to address the problem of modeling, analysis, design, and optimization of the major architecture and protocol components to address these research issues in a dynamic spectrum sharing-based heterogeneous wireless access network. The results of the proposed research will have significant scientific as well as technological impact.

正在开发具有异构性的下一代无线/移动通信系统，其中移动用户/设备将能够同时连接到多个无线网络，例如蜂窝无线、WiFi和WiMAX网络。异构无线系统将实现高效的无线资源利用、无缝切换和全球移动性，使移动用户能够无缝连接到互联网。动态频谱共享(DSA)是下一代异质无线接入网络中提高频谱利用效率的一种新的设计范式。与传统的静态频谱分配不同，在DSA中，无线频谱可以通过认知无线电(CR)技术动态地协调和分配给无线接入网络(RAN)和移动用户。基于DSA的宽带异质无线接入系统的协议工程和体系结构设计是一个新兴的研究领域。这里的主要挑战是从服务提供商的角度有效地管理无线电频谱和其他无线资源，以实现最大容量和提高投资回报，同时满足不同无线服务和应用的要求。该研究的目标是解决基于动态频谱共享的异质无线接入网络中主要架构和协议组件的建模、分析、设计和优化问题，以解决这些研究问题。拟议的研究结果将产生重大的科学和技术影响。