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未来移动通信系统,诸如IEEE802.16旨在能够传送多种具有不同QoS要求的多媒体业务。为了保证业务的QoS,需合理设计调度器的结构和相应的调度算法。针对IEEE 802.16宽带无线接入系统中的双层分级带宽分配体系结构,结合总调度器分配算法优点,采用了更适用于分类调度器且不同于参考文献的分配算法,旨在能够针对不同QoS等级的业务提供不同的调度方案,更好的满足用户的QoS要求。
Future mobile communication systems, such as IEEE 802.16, are intended to be able to deliver multiple multimedia services with different QoS requirements. In order to guarantee the QoS of the business, the structure of scheduler and the corresponding scheduling algorithm should be designed reasonably. Aiming at the double-level hierarchical bandwidth allocation architecture in IEEE 802.16 broadband wireless access system, and combining the advantages of total scheduler allocation algorithm, a more suitable allocation algorithm is used for classification scheduler and different from the reference, which aims to be able to target different QoS levels Of the business to provide different scheduling solutions to better meet the user’s QoS requirements.