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面向实时业务的快速公平性分组调度算法 被引量:2

Fast fairness packet scheduling algorithm for real-time service
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摘要 长期演进系统(long term evolution,LTE)中的分组调度算法需要满足一定的QoS。针对最大权值时延优先算法(modified large weighted delay first,M-LWDF)在用户公平性方面的缺陷,提出了基于线性优先级和非线性优先级的M-LWDF算法,以达到提升用户公平性的目的。仿真结果表明,所提出的算法能够在牺牲少量系统吞吐量的情况下,较大程度地改善用户公平性和业务的丢包率。 In LTE system,the QoS should be satisfied by packet scheduling algorithm.To improve the fairness between users in the algorithm of modified large weighted delay first(M-LWDF),two novel packet scheduling algorithms are proposed in this paper,linear and non-linear priority adjusting scheme respectively.Results show that the performance of user fairness and packet loss ratio can be improved effectively;moreover,only very little network resources will be consumed.
出处 《重庆邮电大学学报(自然科学版)》 CSCD 北大核心 2013年第1期85-89,共5页 Journal of Chongqing University of Posts and Telecommunications(Natural Science Edition)
基金 国家自然科学基金(61001105 60972069)~~
关键词 长期演进系统(LTE) 服务质量(QoS) 最大权值时延优先(M-LWDF) long term evolution(LTE) quality of service(QoS) modified large weighted delay first(M-LWDF)
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参考文献9

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二级参考文献9

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共引文献7

同被引文献22

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