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从实际应用的角度出发,针对现有资源分配方案难以在混合业务下有效地兼顾服务质量(QoS)和频谱效率等问题,对不同业务的用户提出了统一形式的效用函数,通过建立最优化模型和对模型的分析,提出了混合业务下基于此效用函数的资源分配方案.该方案利用合适的效用函数自动保证了实时业务的QoS请求以及besteffort业务用户有效性和公平性的折中.仿真结果表明,该方案适用于混合业务,并能在混合业务中自动地优先满足QoS用户的资源请求.
From a practical application point of view, aiming at the problems that existing resource allocation schemes can not effectively balance quality of service (QoS) and spectral efficiency under mixed services, a unified utility function is proposed to users of different services. By establishing an optimization model And the analysis of the model, a resource allocation scheme based on this utility function is proposed for mixed services.The scheme uses the proper utility function to automatically guarantee the QoS request of real-time services and the compromise of validity and fairness of besteffort service users. It shows that this scheme is suitable for mixed services and can automatically give priority to satisfying resource requests of QoS users in mixed services.