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A Study on the Application of WiMAX Access Technology in IPTV System

机译:WiMAX接入技术在IPTV系统中的应用研究

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摘要

Based on the analysis of demands of Internet Protocol Television(IPTV)access network and advantages of WiMAX technology, a system model for IPTV over WiMAX is proposed and the system procedure is analysed in detail. Considering the heavy traffic in downlink direction of IPTV service, this paper proposes a Downlink Real-time Scheduling(DLRTS) algorithm which aims at decreasing the delay of real-time traffic, thus meeting requirements of IPTV's Quality of Service(QoS). Simulation result shows that, compared to Round-Robin scheduling algorithm, DLRTS improves the performance both in delay and throughput, thus can be competent for IPTV service.
机译:在分析互联网协议电视(IPTV)接入网需求和WiMAX技术优势的基础上,提出了基于WiMAX的IPTV系统模型,并详细分析了系统流程。考虑到IPTV服务下行方向的流量繁重,提出了一种下行实时调度算法(DLRTS),旨在减少实时流量的时延,从而满足IPTV服务质量(QoS)的要求。仿真结果表明,与轮循调度算法相比,DLRTS在延迟和吞吐量方面都提高了性能,可以胜任IPTV服务。

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