Uplink-Downlink Duality in Wireless Communications: Where Lagrange Meets Shannon (从优化的视角看无线通信中的上下行对偶:一场拉格朗日和香农的对话)


报告人:刘亚锋 (中国科学院数学与系统科学研究院)

时间:2022年4月14日,下午19:30-20:30

地点:腾讯会议 417-246-242


摘要:Many problems arising from communication system design can be formulated as optimization problems. In practice, one is often interested in not only the numerical solution to the problems but also the special structure of their optimal solution. In this talk, we shall use some examples from wireless communications and information theory to show that exploring the Lagrangian dual of these (convex) problems often reveal the structure of their optimal solution and the structure of the optimal solution will further lead to better algorithms for solving the corresponding problems.

 

刘亚锋,中国科学院数学与系统科学研究院副研究员,研究领域是最优化理论与算法及其在信号处理和无线通信等领域中的应用;曾获2011年国际通信大会“最佳论文奖”,2018年数学与系统科学研究院“陈景润未来之星”,2018年中国运筹学会“青年科技奖”,2020年IEEE通信学会亚太地区“杰出青年学者奖”等;目前担任《IEEE Transactions on Wireless Communications》、《IEEE Signal Processing Letters》和《Journal of Global Optimization》期刊的编委,IEEE信号处理学会SPCOM(Signal Processing for Communications and Networking)的技术委员会成员;获国家自然科学基金委优秀青年基金资助。

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