Presidential Young Investigator Award: Research in Communication Theory

这是传播理论领域的总统青年研究员奖。Verdu博士的工作涉及将概率和随机过程应用于分析通过嘈杂的通信通道(包括多路访问通道)传输信息的性能极限。共享通信信道的常见策略是让每个用户调制距离分配的波形，而不需要多址协议来协调与其他发射机的传输周期。无论从实际还是从理论上看，主要感兴趣的对象是异步高斯多址信道，在该信道中，用户同时独立地传输而不保持公共定时。这项研究的目的是分析和设计多用户解调器，并推导出信道的主要性能极限，根据最小误码率和可能进行可靠通信的信息速率区域进行评估。与传统的冲突信道不同的是，对于允许接收多个同时传输的信道的随机接入协议的分析也在调查中。

This is a Presidential Young Investigator award in the area of communication theory. Dr. Verdu's work involves the application of probability and random processes to the analysis of the performance limits of information transmission through noisy communication channels, including multiple-access channels. A common strategy for sharing a communication channel is to let each user modulate a distint assigned waveform without requiring a multiple-access protocol to coordinate transmission periods with the other transmitters. From both the practical and theroetical viewpoints, the main object of interest is the asynchronous Gaussian multiple-access channel where the users transmit simultaneously and independently without maintaining common timing. The objectives of this research are the analysis and design of multiuser demondulators and the derivation of the main performance limits of the channel, assessed in terms of the minimum bit-error-rate and the region of informaiton rates at which reliable communication is possible. Also under investigation is the analysis of random-access protocols for channels that, unlike conventional collision channels, allow the reception of several simultaneous transmissions.