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Services Ranking Based Random Access Scheme for Machine-Type Communication

  • Lu Dai
  • Yunjian JiaEmail author
  • Zhengchuan Chen
  • Liang Liang
  • Guojun Li
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 517)

Abstract

There is a considerable pressure for random access networks to access numerous devices with limited preambles, while the different delay requirements of diverse applications exacerbate this situation. In this paper, we propose a service ranking scheme to ensure that delays of different applications are within a reasonable range. We classify applications by latency requirements and dynamically partition preambles for serving these applications. In particular, distribute queue is used to coordinate delay-critical applications. Delay-tolerant applications are partially prohibited when congestion occurs. The average success delay is minimized under the preambles constraint. Simulation and numerical results show that the proposed scheme can effectively reduce the average success delay by 30% while guaranteeing the success ratio of delay-critical applications.

Keywords

Machine-type communications Random access Massive access requests Service ranked Distributed queuing 

Notes

Acknowledgment

This work was supported in part by the Scientific Research Foundation of the Ministry of Education of China-China Mobile under Grant MCM20150102; in part Ministry of Education of China-China Mobile under Grant MCM20150102; in part Ministry of Education of China-China Mobile under Grant MCM20150102; in part and universities in Chongqing, China under Grant CXTDX201601006.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Lu Dai
    • 1
  • Yunjian Jia
    • 1
    Email author
  • Zhengchuan Chen
    • 1
  • Liang Liang
    • 1
  • Guojun Li
    • 2
  1. 1.College of Communication EngineeringChongqing UniversityChongqingP. R. China
  2. 2.Chongqing University of Posts and TelecommunicationsChongqingP. R. China

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