Improved Multi-Agent Proximal Policy Optimization Algorithm for Resource Allocation with Radar-Perception in UAV-Assisted VEC. - Li, Chunlin; Zhang, Zihao; Wang, Jiaqi; Yuan, Shaochong; Wang, Zonghe; Chai, Long; Li, Aoyong; Wan, Shaohua (ACM Transactions on Sensor Networks, 2025)