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An intelligent scheduling system using fuzzy logic controller for management of services in WiMAX networks

机译：使用模糊逻辑控制器的智能调度系统，用于WiMAX网络中的服务管理

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摘要

The appearance of media applications with high bandwidth and quality of service requirements has made a significant impact in telecommunications technology. In this direction, the IEEE802.16 has defined wireless access systems called WiMAX. These systems provide high-speed communications over a long distance. For this purpose some service classes with QoS requirements are defined; but the QoS scheduler is not standardized in IEEE802.16. The scheduling mechanism has a significant effect on the performance of WiMAX systems for use of bandwidth and radio resources. Some scheduling algorithms have been introduced by researchers; but they only provide some limited aspects of QoS. An intelligent decision support system is therefore necessary for scheduling. In this paper a fuzzy based scheduling system is proposed for compounds of real-time and non-real-time polling services which provide QoS requirements and fairness in dynamic conditions. A series of simulation experiments have been carried out to evaluate the performance of the proposed scheduling algorithm in terms of latency and throughput QoS parameters. The results show that the proposed method performs effectively regarding both of these criteria and achieves proportional system performance and fairness among different types of traffic.
机译：具有高带宽和服务质量要求的媒体应用程序的出现对电信技术产生了重大影响。在这个方向上，IEEE802.16定义了称为WiMAX的无线接入系统。这些系统可提供长距离的高速通信。为此，定义了一些具有QoS要求的服务类别。但是QoS调度程序未在IEEE802.16中标准化。调度机制对使用带宽和无线电资源的WiMAX系统的性能有重大影响。研究人员介绍了一些调度算法。但它们仅提供QoS的某些局限性。因此，智能的决策支持系统对于计划是必要的。本文提出了一种基于模糊的调度系统，用于实时和非实时轮询服务的组合，在动态条件下提供QoS要求和公平性。已经进行了一系列仿真实验，以根据时延和吞吐量QoS参数评估提出的调度算法的性能。结果表明，所提出的方法在这两个标准上均有效执行，并且在不同类型的流量之间实现了比例系统性能和公平性。

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