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Delay-Constrainted Optimal Traffic Allocation in Heterogeneous Wireless Networks for Smart Grid

机译：智能电网异构无线网络中的时延约束最优流量分配

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摘要

In the smart distribution gird, various communication technologies are adopted to form a seamless heterogeneous communication network to deliver control and protection signals. However, most scheduling strategies designed for smart gird aim at optimizing system operation performance without considering the transmission cost. To address this problem, we construct a delay-constrainted cost optimization model to accomplish the following two goals: to optimize the cost and to satisfy QoS requirements. Firstly, we establish a queuing model according to the characteristics of heterogeneous services and output networks for smart grid. Then, a delay-constrainted optimal traffic allocation strategy is designed to dynamically allocate heterogeneous service data to different output networks. The allocation strategy herein is based on the Lyapunov theory. Finally, simulation results show that our proposed allocation strategy significantly reduces the cost and meets transmission delay constraints for all service traffic.
机译：在智能配电网中，采用了各种通信技术来形成无缝的异构通信网络，以传递控制和保护信号。但是，大多数为智能电网设计的调度策略旨在优化系统运行性能而无需考虑传输成本。为了解决这个问题，我们构建了一个延迟受限的成本优化模型，以实现以下两个目标：优化成本和满足QoS要求。首先，根据异构服务和智能电网输出网络的特点建立排队模型。然后，设计了一种延迟受限的最佳流量分配策略，以将异构服务数据动态分配给不同的输出网络。这里的分配策略基于李雅普诺夫理论。最后，仿真结果表明，我们提出的分配策略可以显着降低成本，并满足所有业务流量的传输延迟约束。

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  • 来源
    《Journal of Communications》 |2015年第10期|821-827|共7页
  • 作者

    Siya Xu; Ningzhe Xing; Shaoyong Guo; Luoming Meng;

  • 作者单位

    State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, 100876, Beijing, China;

    School of Electronic and Information Engineering, Beijing Jiaotong University, 100044, Beijing, China,State Grid Jibei Electric Power Company Limited Information & Communication Dispatch, 100053, Beijing, China;

    State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, 100876, Beijing, China;

    State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, 100876, Beijing, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Smart distribution grid; cost; traffic allocation strategy; queuing model; Lyapunov theory; transmission delay;

    机译：智能配电网;成本;流量分配策略;排队模型李雅普诺夫理论;传输延迟;

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