Abstract
In two-tier femtocell networks, femtocells cause serious cross-tier interference and consume large amounts of energy for its large-scale deployment. In this chapter, we investigate the power control problem for the co-channel deployed femtocells. We first model the uplink power control problem as a non-cooperative game, where co-channel interference is taken into account in maximizing the energy-aware utility. After introducing a price proportional to the cross-tier interference, Pareto improvement can be obtained. Furthermore, based on the non-cooperative game, we devise a distributed power allocation algorithm together with an optimal price seeking algorithm. Simulation results show that the proposed algorithm can improve users’ utilities significantly, compared with existing power control algorithms.
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Acknowledgements
The authors would like to thank Ms. Deli Liu for her contribution and helpful discussions.
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Zhang, H., Chu, X., Wen, X. (2013). Energy Efficient Power Control in Femtocells with Interference Pricing. In: 4G Femtocells. SpringerBriefs in Computer Science. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9080-7_5
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DOI: https://doi.org/10.1007/978-1-4614-9080-7_5
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