NDLI: Energy-efficient dynamic load distribution for heterogeneous access networks

Content Provider	IEEE Xplore Digital Library
Author	Hyeontaek Oh Joohyung Lee Jun Kyun Choi
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., KAIST, Daejeon, South Korea (Hyeontaek Oh; Joohyung Lee; Jun Kyun Choi)
Abstract	In heterogeneous wireless access networks, it is important to achieve high variability of access resources. Bandwidth Aggregation (BAG) is considered to be a promising solution for this objective. However, power consumption has not been adequately addressed, although prolonging the battery life time of mobile devices with low power consumption has received attention lately. In this paper, we propose a novel dynamic energy-efficient load distribution algorithm for heterogeneous wireless networks. For the optimal load distribution, which is challenging combinatorial problem, we propose simple greedy load distribution algorithms that are inspired by the mathematical background of the Lagrangian algorithm. Furthermore, we propose another heuristic algorithm that extends the proposed algorithm when the retransmission scheme is hired for packet loss (e.g, TCP). Finally, an extensive Network Simulator 2 (NS2) simulation under various practical configurations demonstrates that the proposed algorithm could converge to the optimal distribution point with low complexity. Furthermore, it gives significantly increased the battery life time of mobile device with guarantee required Quality of Service (QoS) constraints.
Starting Page	18
Ending Page	23
File Size	428993
Page Count	6
File Format	PDF
ISBN	9781479906987
DOI	10.1109/ICTC.2013.6675298
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-14
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heterogeneous Access Network Energy-efficiency
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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