CAREER: Information Theory and Coding for Wireless Broadcast Networks

“这项奖励是根据2009年美国复苏和再投资法案（公法111-5）资助的。”职业：无线广播网络的信息理论与编码广播是无线通信的基本性质。通过适当的编码体系结构，可以利用无线通信的广播特性，以高速率同时向多个接收器传输数据。以前的工作主要集中在以下两种情况：1)向每个接收者发送相同的消息；2)向不同的接收者传递完全不同的信息。在这两者之间？极端？播出场景中，有丰富的集合？具有有趣配置和重要工程吸引力的消息集的问题。理解具有一般消息集配置的广播网络的限制和适当的编码体系结构是一个相对未被探索的挑战，要充分利用无线通信的广播优势，必须解决这个挑战。本研究采用广播网络的基本信息论观点，以深入了解适合不同消息集配置的编码体系结构。本研究的一个重要组成部分是关注无线网络通信的具体和物理驱动模型。特别感兴趣的是了解多输入多输出（MIMO）通信的影响。具体而言，本文研究了：1)消息集配置对无线广播网络适当编码体系结构的影响；2)物理激励模型下的保密通信；3)接收方消息侧信息对广播网络通信的价值。这项研究计划还辅之以一项教育工作，训练下一代工程师成为无线网络设计方面的熟练人员，其中包括开发一门关于无线系统信息理论的新课程，并编写一本附带的教科书。

"This award is funded under the American Recovery and Reinvestment Act of 2009(Public Law 111-5)."CAREER: Information Theory and Coding for Wireless Broadcast NetworksBroadcast is a fundamental nature of wireless communication. With appropriate coding architecture, the broadcast nature of wireless communication can be used to the advantage of simultaneously transmitting to several receivers at high rates. Most of the previous work focused on the following two scenarios: 1) to deliver the same message to each of the receivers; 2) to deliver completely different messages to different receivers. Between these two ?extreme? broadcast scenarios, there is a rich collection of ?intermediate? problems with message sets of interesting configuration and significant engineering appeal. Understanding the limits and the appropriate coding architectures of broadcast networks with general message set configurations is a relatively unexplored challenge that must be addressed to fully harness the broadcast advantage of wireless communication.This research takes a fundamental information-theoretic view of broadcast networks to shed insight into what coding architectures are appropriate for different message set configurations. An important component of this study is the focus on concrete and physically motivated models of wireless network communication. Of particular interest is to understand the impact of multiple-input multiple-output (MIMO) communication. Specifically, this research studies: 1) the impact of message set configuration on the appropriate coding architecture of wireless broadcast networks; 2) secrecy communication under physically motivated models; and 3) the value of receiver message side information for broadcast network communication. The research program is complemented by an educational effort to train the next generation of engineers to become skilled in the design of wireless networks, which involves developing a new course on information theory for wireless systems and writing an accompanied textbook.