According to channel fading condition and quality of service of users, the scheme is used to maximize the system capacity and performance by adjusting and borrowing subcarrier among multi-service.

• 该机制能够联合考虑信道衰落情况和业务的服务质量要求，在不同的业务间调整和借用子载波分配来最大化系统的容量和性能。