[作者]:武汉光电国家实验室 [来源]:武汉光电国家实验室 [时间]:2008-05-30

   应光电国家实验室光通信与智能网络研究部的邀请，美国Arizona State University章君山博士将于6月2日来我部作学术报告，题目和时间如下：
   6月2日下午两点  演讲题目：Threshold Structure of Channel Aware Distributed Scheduling in Ad-Hoc Networks: An Optimal Stopping Perspective
   讲座地点：光电国家实验室F-401
   届时欢迎感兴趣的老师和同学参加。

Abstract: As evidenced by measurement data, channel fading and co-channel interference occur on the same time scales, and it is therefore difficult to determine if packet losses are due to interference change or channel variation. The coupling between the timescales of fading and interference at the MAC layer calls for a unified PHY/MAC design. Using optimal stopping theory, we first devise channel aware distributed scheduling to exploit rich PHY/MAC diversities in single-hop ad-hoc networks, for a variety of PHY-layer models. We show that the optimal channel aware distributed scheduling algorithms have threshold structures, and hence are amenable to easy implementation. We then generalize the study to multi-hop wireless networks, and discuss further open issues such as the delay performance of distributed scheduling.

章君山博士简介
Dr. Junshan Zhang received his BS degree from Huazhong University of Sci and Tech., China in 1993 and his Ph.D. degree from Purdue University in 2000. He joined the EE Department at Arizona State University in August 2000, where he has been Associate Professor since Summer 2005. His research interests include optimization and control of wireless networks, information theory, and stochastic analysis. His current research focuses on fundamental problems in wireless ad-hoc/sensor networks, including  cross-layer optimization and design, resource management, network information theory, and stochastic analysis.

Dr. Zhang is a recipient of the ONR Young Investigator Award in 2005 and the NSF CAREER award in 2003. He has also received the Outstanding Research Award from the IEEE Phoenix Section in 2003. He has served as TPC co-chair for IPCCC\'06 and TPC vice chair for ICCCN\'06, and a member of the technical program committees of INFOCOM, SECON, GLOBECOM, ICC, MOBIHOC, BROADNETS, and SPIE ITCOM. He was the general chair for IEEE Communication Theory Workshop 2007. He is TPC co-chair for WICON 2008. He is an Associate Editor for IEEE Transactions on Wireless Communications and an editor for the Computer Network journal.

责任编辑:武汉光电国家实验室