CAREER: Study of Coexistence Restrictions of Cross-layer Designs in Wireless Networks

职业：无线网络中跨层设计的共存限制研究

• 批准号: 1054697
• 负责人: Yaling Yang
• 金额: $ 45万
• 依托单位: Virginia Polytechnic Institute and State University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2011
• 资助国家: 美国
• 起止时间: 2011-07-15 至 2018-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1054697&HistoricalAwards=false
• 关键词: CAREER; Study; Coexistence; Restrictions; Cross

There has been an explosive growth of cross-layer designs proposed for wireless networks. These designs break the layered structure to actively exploit the dependence between protocol layers in wireless networks. However, the large number of cross-layer designs creates serious coexistence issues. The violation of layered structure may not comply with restrictions that constrain the coexistence among many cross-layer designs and other network systems, causing significant issues, such as degraded performance, inconsistent distributed decision making, network partition, and instability. The objective of this project is to systematically and rigorously categorize and analyze coexistence restrictions of cross-layer designs in wireless networks. In this project, coexistence restrictions of various cross-layer designs are theoretically modeled and analyzed. Different kinds of coexistence restrictions are defined, the conditions for their occurrences and their impact on network operations are revealed, and methods to check coexistence issues are developed. The project also seeks restriction-compliant protocol design techniques. This project serves as a major effort in the understandings of cross-layer designs in wireless networks and is the pioneer in providing systematic analysis of coexistence restrictions of cross-layer designs. The result of this project can be used to evaluate cross-layer designs? limitations and potential problems. This will promote the acceptance of good cross-layer designs in real systems and prevent architecture failures in design integration. In addition, this project provides practical techniques for designing more compatible cross-layer systems. Ultimately, this will greatly enhance the flexibility and robustness of current and future wireless network systems.

为无线网络提出的跨层设计爆炸性增长。这些设计打破了分层结构，以积极利用无线网络中协议层之间的依赖性。但是，大量的跨层设计会引起严重的共存问题。违反分层结构的行为可能不符合限制许多跨层设计和其他网络系统之间共存的限制，从而导致重大问题，例如降级性能，不一致的分布式决策制定，网络分区和不稳定。该项目的目的是系统地，严格地对无线网络中跨层设计的共存限制进行分类和分析。 在这个项目中，对各种跨层设计的共存限制进行了理论上的建模和分析。定义了不同种类的共存限制，其发生的条件及其对网络操作的影响以及检查共存问题的方法。该项目还寻求符合限制的协议设计技术。该项目在理解无线网络中的跨层设计方面是一项重大努力，并且是对跨层设计共存限制的系统分析的先驱。该项目的结果可用于评估跨层设计？局限性和潜在问题。这将促进在实际系统中接受良好的跨层设计，并防止设计集成中的体系结构故障。此外，该项目还提供了设计更兼容的跨层系统的实用技术。最终，这将大大提高当前和未来无线网络系统的灵活性和鲁棒性。