NDLI: Dynamic power control for balanced data traffic with coverage in femtocell networks

Content Provider	IEEE Xplore Digital Library
Author	Donghoon Shin Sunghee Choi
Copyright Year	2012
Description	Author affiliation: Department of Computer Science, Korea Advanced Institute of Science and Technology, Daejeon, Korea (Donghoon Shin; Sunghee Choi)
Abstract	Femtocell networks can supplement the conventional cellular system with massive data communication in an indoor environment. In this paper, we consider the indoor coverage and load balance problem of femto base stations in order to provide better quality of service. By exploiting the Voronoi diagram, we can achieve maximal indoor coverage with minimized maximum required transmit power, which results in reduced interference. Our algorithm can adopt any radio propagation model to achieve more accurate coverage for an indoor environment with various obstacles. Time varying data traffic may cause unbalanced data load of base stations producing traffic overload. Our dynamic power control algorithm redistributes the data load by automatically adjusting transmit power levels according to data traffic estimation while preserving coverage. Simulations show that the proposed scheme achieves better coverage, reduced interference, and good load balance compared to previous algorithms.
Starting Page	648
Ending Page	653
File Size	1371532
Page Count	6
File Format	PDF
ISBN	9781457713781
e-ISBN	9781457713798
DOI	10.1109/IWCMC.2012.6314280
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-27
Publisher Place	Cyprus
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Femtocell network indoor coverage Heuristic algorithms Power control Buildings Indoor environments data load balance Interference Propagation losses Signal to noise ratio dynamic power control
Content Type	Text
Resource Type	Article

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