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Journal Article Predictive Association Control for Frequent Handover Avoidance in Femtocell Networks
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Authors
Nak Woon Sung, Ngoc-Thai Pham, Thong Huynh, Won-Joo Hwang
Issue Date
2013-05
Citation
IEEE Communications Letters, v.17, no.5, pp.924-927
ISSN
1089-7798
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/LCOMM.2013.031913.130127
Project Code
13PI3100, Reliability Improvement of Access Networks for Next Generation Mobile Communication Activation, Youn Ok Park
Abstract
Appropriate base station association decisions in dense femtocell networks help to improve throughput while reducing frequent handovers of mobile stations. We consider the association control problem of mobile stations as an optimal control problem and obtain a rolling-out suboptimal control policy which is based on the predictive mobility of mobile stations. In addition, we derive a simple and lightweight online association control policy for each mobile station. The simulation results show that the proposed method provides large gain in both handover frequency and throughput over the current methods. © 2013 IEEE.
KSP Keywords
Association control, Control policy, Large gain, Mobile station(MS), Online association, Optimal control problem, Suboptimal control, base station(BS), dense femtocell networks, simulation results