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首页> 外文会议>Wireless access flexibility >Delay and Loss Due to Uplink Packet Scheduling in LTE Network
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Delay and Loss Due to Uplink Packet Scheduling in LTE Network

机译：LTE网络中由于上行链路分组调度而引起的延迟和丢失

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摘要

In this paper we describe the packet scheduling process and investigate the reasons limiting the medium access control (MAC) layer capacity of the 3rd Generation Partnership Project Long Term Evolution (3GPP LTE) network. We show that although a scheduling process allows to assign dedicated channels to the users based on their quality of service (QoS) requirements, it introduces the additional delay in the uplink channel. We also show that the scheduling delay may increase significantly if some certain parameters of the system are not set appropriately, and suggest alternative approaches to reduce the scheduling delay in LTE network. Obtained analytical expressions of the packet scheduling delay and loss have been verified using simulation model developed in OPNET platform. Results of this work can be used for resource allocation, packet scheduling and network planning to establish the upper bounds on delay and loss for the users with strict QoS requirements.
机译：在本文中，我们描述了数据包调度过程，并研究了限制第三代合作伙伴计划长期演进（3GPP LTE）网络的媒体访问控制（MAC）层容量的原因。我们显示，尽管调度过程允许根据用户的服务质量（QoS）要求为他们分配专用信道，但它会在上行链路信道中引入额外的延迟。我们还表明，如果未适当设置系统的某些特定参数，则调度延迟可能会显着增加，并建议使用其他方法来减少LTE网络中的调度延迟。使用OPNET平台开发的仿真模型验证了获得的分组调度时延和丢失的解析表达式。这项工作的结果可用于资源分配，分组调度和网络规划，从而为具有严格QoS要求的用户确定延迟和丢失的上限。

著录项

  • 来源
    《Wireless access flexibility》|2013年|1-12|共12页
  • 会议地点 Kaliningrad(RU)
  • 作者

    Alia Asheralieva; Kaushik Mahata; Jamil Y. Khan;

  • 作者单位

    University of Newcastle, School of Electrical Engineering and Computer Science, Callaghan NSW 2308, Australia;

    University of Newcastle, School of Electrical Engineering and Computer Science, Callaghan NSW 2308, Australia;

    University of Newcastle, School of Electrical Engineering and Computer Science, Callaghan NSW 2308, Australia;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    3GPP LTE; packet scheduling; performance evaluation;

    机译：3GPP LTE；分组调度；绩效评估;

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