NDLI: Dynamic traffic-aware reconfiguration of spectral/energy efficient cellular networks

Content Provider	IEEE Xplore Digital Library
Author	Xuan Zhou Gang Feng Shuang Qin
Copyright Year	2013
Description	Author affiliation: Nat. Key Lab. of Sci. & Technol. on Commun., Univ. of Electron. Sci. & Technol. of China, Chengdu, China (Xuan Zhou; Gang Feng; Shuang Qin)
Abstract	Traditional wireless communication systems focus on Spectral Efficiency (SE) with excessive energy consumption. With widespread attention on global warming and excessive energy consumption, system designers began focusing on energy efficiency (EE) instead of the traditional spectral efficiency. A system that maximizes either spectral efficiency or energy efficiency without taking into account the variation of traffic load will lead to poor system performance in terms of outage probability, throughput and energy efficiency. To address this issue, in this paper we propose a Dynamic Traffic-aware Reconfiguration (DTR) scheme, aiming at maximizing the average system EE while guaranteeing the required system performance. This is fulfilled by reconfiguring the system to SE, EE or hybrid SE-EE system according to the traffic load. The key criterion for reconfiguring the system is the outage probability, which is estimated through using a queuing model. We implement DTR scheme in 3GPP LTE system level simulator and conduct intensive simulation experiments to validate the effectiveness of our proposed DTR scheme. Numeric results show that DTR can maximize the average EE while guaranteeing the system performance compared to pure SE or EE system.
Starting Page	2028
Ending Page	2033
File Size	405175
Page Count	6
File Format	PDF
ISBN	9781467359382
ISSN	15253511
e-ISBN	9781467359399
e-ISBN	9781467359375
DOI	10.1109/WCNC.2013.6554875
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy efficiency Interference Telecommunication traffic Signal to noise ratio Numerical models Hybrid power systems Bandwidth queuing model Celullar networks Spectral Efficiency (SE) Energy Efficiency (EE) Traffic-aware Reconfiguration
Content Type	Text
Resource Type	Article

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