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The Tradeoff between Mean Delay and Energy Saving Factor under DRX Scheme

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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Year of Publication: 2020
Authors:
Mohammad Asif Hossain, Md. Imdadul Islam, Fahima Tabassum, M. R. Amin
10.5120/ijca2020919946

Mohammad Asif Hossain, Md. Imdadul Islam, Fahima Tabassum and M R Amin. The Tradeoff between Mean Delay and Energy Saving Factor under DRX Scheme. International Journal of Computer Applications 177(43):40-47, March 2020. BibTeX

@article{10.5120/ijca2020919946,
	author = {Mohammad Asif Hossain and Md. Imdadul Islam and Fahima Tabassum and M. R. Amin},
	title = {The Tradeoff between Mean Delay and Energy Saving Factor under DRX Scheme},
	journal = {International Journal of Computer Applications},
	issue_date = {March 2020},
	volume = {177},
	number = {43},
	month = {Mar},
	year = {2020},
	issn = {0975-8887},
	pages = {40-47},
	numpages = {8},
	url = {http://www.ijcaonline.org/archives/volume177/number43/31195-2020919946},
	doi = {10.5120/ijca2020919946},
	publisher = {Foundation of Computer Science (FCS), NY, USA},
	address = {New York, USA}
}

Abstract

Recently power saving is a vital issue for wireless devices of 4G and 5G networks. A device enters in sleeping mode (short and long sleep cycle) when there is no arrival of traffic but wakeup once the arrival of traffic. Before wakeup, the UE user equipment (UE) spends the rest of the sleeping cycle which incurs a delay of service. There is a tradeoff between the length of a sleep cycle (power saving factor ids higher for longer sleep cycle) and mean delay of service. In this paper, a Markov chain is designed including timer inactivity, short sleep, and long sleep and active service states. The closed-form solution of the chain is performed using node equations hence comparison of performance is made with previous work in the context of power-saving factor and mean delay. Both the power saving factor and mean delay of this paper are found marginally better than the previous work at lower packet arrival rate but at higher arrival rate performance are almost the same but claims some explanations.

References

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  23. AUTHORS’ PROFILE
  24. Mohammad Asif Hossain received his B.Sc. degree in information and communications engineering, M.Sc. degree in telecommunications engineering, and MBA degree in marketing from East West University (EWU), Dhaka, Bangladesh, in 2006, 2007, and 2011, respectively. He is currently pursuing a Ph.D. degree in computer science at the University of Malaya in Malaysia. He was an assistant professor at the Department of Electronics and Communications Engineering at East West University, Dhaka, Bangladesh. He is currently working as a graduate research assistant at the University of Malaya. His research interests include cognitive radio, vehicular networks, wireless networking, machine learning, energy harvesting and SWIPT. He was a recipient of Chancellor’s Gold Medals for his excellent performance in his B.Sc. and M.Sc. degrees.
  25. Md. Imdadul Islam had completed his B.Sc. and M.Sc Engineering in Electrical and Electronic Engineering from Bangladesh University of Engineering and Technology, Dhaka, Bangladesh in 1993 and 1998 respectively and had completed his Ph.D. degree from the Department of Computer Science and Engineering, Jahangirnagar University, Dhaka, Bangladesh in the field of network traffic in 2010. He is now working as a Professor at the Department of Computer Science and Engineering, Jahangirnagar University, Savar, Dhaka, Bangladesh. Previously, he worked as an Assistant Engineer in Sheba Telecom (Pvt.) LTD (A joint venture company between Bangladesh and Malaysia, for Mobile cellular and WLL), from Sept.1994 to July 1996. Dr. Islam has very good field experience in the installation and design of the mobile cellular network, Radio Base Stations and Switching Centers for both mobile and WLL. His research field is network traffic, wireless communications, wavelet transform, OFDMA, WCDMA, adaptive filter theory, array antenna systems, ANFIS and Machine Learning. He has more than a hundred and eighty research papers in national and international journals and conference proceedings.
  26. Fahima Tabassum has completed her B.Sc. (Hons.) from the Department of Computer Science and Engineering, Jahangirnagar University, Savar, Dhaka, Bangladesh in 2003 and M.S from the same department in 2010. She currently is pursuing her Ph.D. degree in the same department. She has a number of publications in different reputed journals. She is also working as an associate professor at the Institute of Information Technology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh.
  27. M. R. Amin received his B.S. and M.S. degrees in Physics from Jahangirnagar Uni-versity, Dhaka, Bangladesh in 1984 and 1986 respectively and his Ph.D. degree in Plas-ma Physics from the University of St. Andrews, U. K. in 1990. He is a Professor of Department of Mathematical and Physical Sciences at East West University, Dhaka, Bangladesh. He served as a Post-Doctoral Research Associate in Electrical Engineering at the University of Alberta, Canada, during 1991-1993. He was an Alexander von Humboldt Research Fellow at the Max-Planck Institute for Extraterrestrial Physics at Garching/Munich, Germany during 1997-1999. His current research fields are wireless communications and networks and also nonlinear plasma dynamics. He is a member of the IEEE.

Keywords

LTE, DRX, long sleep, short sleep, QoS, Markov Chain.