最优化缓存分配。系统模型是基站和用户，通过优化用户端缓存分配，使得基站容量最大-Optimizing cache allocation. System model is a base station and the user, by optimizing cache allocation client, making the maximum capacity of base station

当一个基站覆盖的区域存在多个小区时，就得判决用户进入哪个小区服务质量更好-When there are multiple cell area covered by a base station, the user must enter judgment which cell better quality of service