NeTS: Medium: Collaborative Research: Leveraging Physical Layer Advances for the Next Generation Distributed Wireless Channel Access Protocols

该项目旨在解决如何最大限度地提高无线媒体访问效率的基本问题。近年来，新的信息理论解决方案已经出现，其中一些现在可以实现由于技术的进步。此外，长期根深蒂固的观念，如半双工，正在受到挑战。研究表明，通过物理层和信号处理策略的结合，全双工系统确实是可行的。这些发展从根本上改变了什么是时空资源的概念。这些事态发展使我们有必要彻底重新定义和评价本项目所讨论的有效利用的问题。多年来，物理层社区和协议社区的发展是并行的，有些是孤立的。通过汇集这两个领域的广泛专业知识，该项目设想了无线网络在接入层的基本进步。核心挑战是如何尽可能有效地利用稀缺的“空间”和“时间”资源。此外，分布式运行、信道衰落、时变信道条件以及传输机会和决策的快速时间尺度加剧了这一问题。这个项目有可能在媒介获取科学方面取得革命性的进步。

This project aims at addressing the fundamental problem of how to maximize the efficiency of access to the wireless medium. In recent years, new information-theoretic solutions have emerged, some of which can now be implemented due to technological advances. Also, long engrained notions, such as half duplex, are being challenged. It has been shown that through a combination of strategies at the physical layer and signal processing, full duplex systems are indeed feasible. These developments have radically altered the very notion of what a spatio-temporal resource is. These developments have necessitated a thorough redefinition and appraisal of the problem of efficient access as addressed in this project.Over the years, developments have taken place in parallel and somewhat in isolation in the physical layer community and in the protocol community. By bringing together a broad-spectrum of expertise from both areas, this project envisages fundamental advances in wireless networking at the access layer. The core challenge is how to use the scarce resources of 'space' and 'time' as efficiently as possible. In addition, distributed operation, channel fading, time-varying channel conditions, and fast time-scales of transmission opportunities and decisions, exacerbate the problem. This project has the potential of making a transformative advancement in the science of medium access.