Cooperative Precoding for Integrated Sensing and Communication in Massive MIMO LEO Satellite-Terrestrial Networks

作者：Qingfu Kong, Li You, Haoyue Li, H. Zhou, Yuanshuo Wang, Feng Zhu, Xiqi Gao · 发表于：IEEE Wireless Communications Letters · 年份：2025 · DOI：10.1109/lwc.2025.3614432 · 被引用次数：2 · 研究领域：Satellite Communication Systems、Spacecraft Design and Technology、Space exploration and regulation

This paper presents an investigation into the application of integrated sensing and communication (ISAC) technology in massive multiple-input multiple-output (MIMO) low earth orbit (LEO) satellite-terrestrial networks (STNs). We formulate a sum-rate maximization problem subject to constraints on sensing performance and energy consumption. Subsequently, we propose a novel cooperative precoding scheme to balance the trade-off between communication and sensing performance. Simulation results demonstrate that our cooperative precoding scheme successfully balances communication and sensing performance, thereby improving the overall system performance.