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异构车载自组网中两级资源调度机制研究 被引量：2

Research on Two-level Resource Scheduling Scheme in Heterogeneous VANET
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摘要 WiMAX网络和WAVE网络中资源调度方式不同,但又需要在移动网关节点处进行互通。为此,提出一种基于反馈的两级资源调度机制。在WiMAX网络中采用基于权重的轮询调度,针对WAVE网络提出一种基于反馈的EDCA接入方式,使节点各业务的发送速率契合WiMAX网络中的调度规则。仿真结果表明,相比同类方法,该机制使系统的平均传输时延降低至20 ms,网关节点处的排队队长缩短了50%。 The resource scheduling mechanisms used in WiMAX network and Wireless Access in Vehicular Environments （WAVE） network are different. Aiming at the need of interoperability in the mobile gateway, a feedback based two-level scheduling mechanism is proposed. A weight-based round-robin scheduling is used in WiMAX network, while a feedback-based EDCA access scheme is designed in WAVE network to adjust transmission rate of MAC layer in WAVE to accommodate scheduling scheme used in WiMAX. Simulation results indicate that compared with other methods, the proposed scheme can reduce the average delay below to 20 ms, and cut 50% queue length in gateway node.
作者 黎昂
机构地区 湖南工学院网络信息中心
出处 《计算机工程》 CAS CSCD 2013年第3期99-104,110,共7页 Computer Engineering
基金 湖南省科技计划基金资助项目(2011GK3150) 湖南省大学生研究性学习和创新性实验计划基金资助项目(湘教通(2011)272号)
关键词 异构车载自组网 移动网关 两级资源调度 基于权重的轮询 反馈 WIMAX网络 WAVE网络 heterogeneous Vehicular Ad-hoc Network（VANET） mobile gateway two-level resource scheduling weight-based round-robin feedback WiMAX network Wireless Access in Vehicular Environments（WAVE） network
分类号 TP393 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献11

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共引文献6

同被引文献25

  • 1吴荻.无线中继网络资源分配研究[D].北京交通大学2014
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计算机工程
2013年 第3期

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