无人机辅助车联网NOMA协同缓存优化

张艺炜,崔鑫,赵庆慧,陈燕

Collaborative content caching optimization in UAV-assisted internet of vehicle based on NOMA

Yiwei ZHANG,Xin CUI,Qinghui ZHAO,Yan CHEN

表 2 不同车辆规模下K-Means++动态分簇轮廓系数表

Tab.2 Silhouette coefficient of K-Means++ dynamic clustering under different vehicle fleet size

车辆数 轮廓系数 车辆数 轮廓系数 20 0.68 80 0.55 40 0.64 100 0.54 60 0.63 — —