EAGER: Securing Wireless Network Coding against Pollution Attack at the Physical Layer

目的：该方案的目标是解决无线网络编码系统中攻击者和通信者之间的根本不平衡，方法是：（1）在物理层检测错误注入的数据包;（2）从污染的数据包中分离并仅移除错误注入的数据包，以提取（恢复）真实的编码数据包。 因此，该计划提供了两个变革性的观点：（1）利用物理信号，可免费检测错误注入的数据包;（2）回收污染的数据包，而不是丢弃它，从而大大提高频谱效率。智力优点：这项研究的智力优点在于在解决当前网络编码技术面临的安全问题的新视角（信号处理）。 所提出的方法的新奇是集成的通信和安全方面，传统上已经分别研究。研究了安全性、速率和可靠性之间的基本权衡，为在网络编码系统设计中集成通信和安全问题提供了理论基础。 更广泛的影响：该项目的更广泛的影响是：（1）通过为当地高中生开发实验性示范项目，扩大少数民族和妇女对工程项目的参与;（2）对新兴的安全嵌入式/传感器/ad-hoc网络产生影响，这些网络将适用于广泛的应用，包括监视和安全，健康和环境监测，以及公共安全和应急响应。

Objective: The objective of this program is to address the fundamental imbalance between the attacker and the communicator in wireless network coding system by (1) detecting the falsely injected packet at the physical layer; and (2) separating and removing only the falsely injected packet from the polluted packet to extract (restore) the true coded packet. The program thus provides two transformative perspectives: (1) exploiting the physical signals that are available for free in detecting the falsely injected packet; and (2) recycling the polluted packet instead of discarding it, thereby dramatically improving the spectrum efficiency.Intellectual merit:The intellectual merit of this research lies in the new perspective (signal processing) in addressing the security problem facing current network coding technology. The novelty of the proposed approach is the integration of communication and security aspects, which traditionally have been studied separately. The fundamental tradeoff among the security, rate, and reliability is investigated to develop a theoretical foundation for integrating communication and security issues in network coding systems design. Broader Impacts:The broader impacts of this project are: (1) broadening the participation of minority and women in engineering programs by developing an experimental demonstration program for local high school students; (2) impacting on emerging secure embedded/sensor/ad-hoc networks that will be applicable to a wide range of applications, including surveillance and security, health and environmental monitoring, and public safety and emergency response.