QoS multicast routing problem is a nonlinear combination optimization problem, which has been proved to be a NP complete problem.
组播路由问题是一个非线性的组合优化问题，已证明了该问题是NP完全问题。
It discusses the factors influencing the Qos of streaming media communication system over wireless Internet, and optimization of Qos under the conditions of resource-restricted.
探讨了无线因特网环境影响流媒体通信系统服务质量的因素和带宽资源受限条件下的服务质量最优化问题。
After that, a resource optimization method for real-time traffics is proposed, which minimizes the required transmit power while guaranteeing the QoS requirement of real-time traffics.
基于子载波边际效用，提出了一种针对实时业务的资源优化分配算法，在满足其传输速率和误比特率的前提下，有效地降低了系统所需要的发射功率。
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