NDLI: Small cell switch policy: A consideration of start-up energy cost

Content Provider	IEEE Xplore Digital Library
Author	Luyang Wang Xinxin Feng Xiaoying Gan Jing Liu Hui Yu Dongying Zhang
Copyright Year	2014
Description	Author affiliation: Dept. of Electron. Eng., Shanghai Jiao Tong Univ., Shanghai, China (Luyang Wang; Xinxin Feng; Xiaoying Gan; Jing Liu; Hui Yu; Dongying Zhang)
Abstract	In this paper, we focus on the energy consumption problem in heterogeneous networks with on-off switch operation for small cell base stations (SBS). In our scenario, the users in the small cell can either choose SBS when it is awaken or macro cell base station (MBS) to transmit data. The start-up cost is considered when SBS switches on. We suppose both the transmission power and the users' number are time-varying. According to the knowledge on these two variables, we classify the energy consumption problem into two cases. In complete information case, to minimize the energy consumption, an offline solution is proposed according to critical segments. A heuristic algorithm for incomplete information case (HAIIC) is proposed by tracking the cumulative energy consumption difference. Further more, we derive the upper bound of the energy consumption ratio (ECR) to guarantee the performance of the proposed algorithm. To evaluate the impact of future information, a look-ahead window with size ω is supposed. The corresponding upper bound of ECR is derived as well. Simulation results show that the proposed HAIIC algorithm is able to save energy efficiency.
Starting Page	231
Ending Page	235
File Size	296048
Page Count	5
File Format	PDF
ISBN	9781479941469
DOI	10.1109/ICCChina.2014.7008277
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-13
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy consumption Microprocessors Heuristic algorithms Scattering Switches Computer architecture Electronic countermeasures
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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