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Performance analysis of DRX mechanism using batch arrival vacation queueing system with N-policy in LTE-A networks

  • Anupam Gautam
  • Gautam Choudhury
  • S. Dharmaraja
Article
  • 60 Downloads

Abstract

Power saving and Quality of Service (QoS) are the two significant aspects of Long Term Evolution-Advanced (LTE-A) networks. DRX (“Discontinuous Reception”) is a mechanism, commonly exercised to enhance the power saving competency of a User Equipment (UE) in LTE-A networks. In this paper, based on the kind of traffic running at the UE, a new appliance is proposed to switch the DRX mechanism from the power active state to the power saving state and vice versa. We mathematically investigate this switching technique in DRX mechanism using the M[X]/G/1 vacation queue system with N-policy. Various performance and energy metrics are obtained and examined numerically. Further, the optimal value of N as well as the maximum number of DRX cycles, are computed to obtain the minimal amount of power consumption. This study concludes the selection guidelines for choosing the optimal values of N and the maximum number of DRX cycles.

Keywords

LTE -A networks DRX mechanism M[X]/G/1 vacation queueing system Power saving Delay 

Notes

Acknowledgements

Authors are thankful to the editor and two anonymous reviewers for their valuable suggestions and comments, which helped improve the paper to great extent.

Funding information

This study received financial support from the Department of Telecommunications (DoT), India. Further, the first author would like to thank the Council of Scientific and Industrial Research (CSIR), India for providing her financial support through Senior Research Fellowship.

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Copyright information

© Institut Mines-Télécom and Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of MathematicsIndian Institute of Technology DelhiDelhiIndia
  2. 2.Mathematical Sciences Division Institute of Advanced Study in Science and TechnologyGuwahatiIndia

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