A Downlink Power Control Heuristic Algorithm for LTE Networks. Yassin, M., Lahoud, S., Ibrahim, M., & Khawam, K. In 21st International Conference on Telecommunications (ICT 2014), Lisbon, Portugal, May, 2014. abstract bibtex The recent development of mobile equipments, the proliferation of mobile applications and the increasing need for mobile data have led to a dense deployment of mobile networks. In this context, the Long Term Evolution (LTE) standard is adopted by a large number of mobile network operators. LTE uses Orthogonal Frequency Division Multiple Access (OFDMA) technique on the downlink of the radio interface along with frequency reuse-1 model. However, Inter-Cell Interference (ICI) and system power consumption will cause limitations in terms of mean user throughput and system performance. Indeed, several recent works focus on the minimization of ICI and power consumption in multi-user OFDMA networks. In this paper, we propose a heuristic power control algorithm that aims at minimizing the total downlink power of an LTE system. We also study the impact of the power control algorithm on ICI and system performance. Simulation results show that the proposed algorithm largely reduces the downlink power consumption without degrading system performance. In addition, it increases the mean throughput for cell-edge users that are mainly affected by ICI problems.
@inproceedings{ yassin:2014fj,
abstract = {The recent development of mobile equipments, the
proliferation of mobile applications and the increasing
need for mobile data have led to a dense deployment of
mobile networks. In this context, the Long Term Evolution
(LTE) standard is adopted by a large number of mobile
network operators. LTE uses Orthogonal Frequency Division
Multiple Access (OFDMA) technique on the downlink of the
radio interface along with frequency reuse-1 model.
However, Inter-Cell Interference (ICI) and system power
consumption will cause limitations in terms of mean user
throughput and system performance. Indeed, several recent
works focus on the minimization of ICI and power
consumption in multi-user OFDMA networks. In this paper, we
propose a heuristic power control algorithm that aims at
minimizing the total downlink power of an LTE system. We
also study the impact of the power control algorithm on ICI
and system performance. Simulation results show that the
proposed algorithm largely reduces the downlink power
consumption without degrading system performance. In
addition, it increases the mean throughput for cell-edge
users that are mainly affected by ICI problems.},
address = {Lisbon, Portugal},
author = {Mohamad Yassin and Samer Lahoud and Marc Ibrahim and Kinda
Khawam},
booktitle = {21st International Conference on Telecommunications (ICT
2014)},
days = {5},
keywords = {Long Term Evolution; OFDMA; power control; resource block;
Inter-Cell Interference; CQI},
month = {May},
pdf = {https://dl.dropboxusercontent.com/u/45967765/Publications/ict-14.pdf},
title = {A Downlink Power Control Heuristic Algorithm for {LTE}
Networks},
year = {2014}
}
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