题目：One-Bit Precoding in Massive MIMO: Algorithm Design and Asymptotic Performance Analysis

时间：2025年3月21日，15:00—16:00

地点：数学楼2-2

讲座内容：One-bit precoding is a promising approach to enhancing hardware efficiency in massive MIMO systems and has attracted significant research interests in recent years. However, the inherent one-bit constraint on the transmit signals poses great challenges for both precoding design and performance analysis. This talk presents recent advancements in one-bit precoding. The first part focuses on precoding design for massive MIMO systems, introducing a new negativeℓ1 penalty approach. This method is based on an exact penalty model that penalizes the one-bit constraint into the objective using a negativeℓ1-norm term. Compared to existing approaches, our approach achieves a superior trade-off between computational complexity and symbol error rate (SER) performance. Additionally, we will explore one-bit precoding design in massive MIMO integrated sensing and communication (ISAC)—a key use case in next-generation 6G systems. The second part of the talk shifts to the asymptotic SER performance analysis of a broad class of linear-quantized precoding schemes. Unlike conventional Bussgang decomposition-based analyzes, our analytical framework is grounded in random matrix theory (RMT), which is more rigorous and can be extended to more general cases. Furthermore, we will present recent findings on the asymptotic SER analysis of a widely studied nonlinear precoding scheme.

报告人简介：刘亚锋现为中国科学院数学与系统科学研究院副研究员，主要研究方向为最优化理论与算法及其在信号处理、无线通信和机器学习等领域的应用。他曾获得多项学术奖项，包括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”、2022年中国工业与应用数学学会“青年科技奖”，以及2024年IEEE信号处理学会“最佳论文奖”。他目前或曾担任《IEEE Transactions on Signal Processing》、《IEEE Transactions on Wireless Communications》、《IEEE Signal Processing Letters》、《Journal of Global Optimization》、《计算数学》和《运筹学学报》等期刊的编委，并曾担任《IEEE Journal on Selected Areas in Communications》“无线通信网络中的优化理论与算法”专刊的客座编委。此外，他是IEEE信号处理学会SPCOM（Signal Processing for Communications and Networking）技术委员会成员。

邀请人：刘嘉 副教授