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Optimal power control in rayleigh-fading heterogeneous wireless networks

Published: 01 April 2016 Publication History

Abstract

Heterogeneous wireless networks provide varying degrees of network coverage in a multi-tier configuration in which low-powered small cells are used to enhance performance. Due to the ad-hoc deployment of small cells, optimal resource allocation is important to provision fairness and enhance energy efficiency. We first study the worst outage probability problem in Rayleigh-fading channels, and solve this nonconvex stochastic program using mathematical tools from nonlinear Perron-Frobenius theory. As a by-product, we solve an open problem of convergence for a previously proposed algorithm in the interference-limited case. We then address a total power minimization problem with outage specification constraints and its feasibility issue. We propose a dynamic algorithm that adapts the outage probability specification in a heterogeneous wireless network to minimize the total energy consumption and to simultaneously provide fairness guarantees in terms of the worst outage probability. Finally, we provide numerical evaluation on the performance of the algorithms and the effectiveness of deploying closed-access small cells in heterogeneous wireless networks to address the tradeoff between energy saving and feasibility of users satisfying their outage probability specifications.

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  • (2019)An enhanced distributed power control algorithm for mobile femtocells under limited dynamic range and its convergenceWireless Networks10.1007/s11276-018-1736-x25:7(4147-4160)Online publication date: 1-Oct-2019
  • (2017)Optimal Power Control for D2D Communications under Rician Fading: A Risk Theoretical ApproachGLOBECOM 2017 - 2017 IEEE Global Communications Conference10.1109/GLOCOM.2017.8254838(1-6)Online publication date: 4-Dec-2017
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Published In

cover image IEEE/ACM Transactions on Networking
IEEE/ACM Transactions on Networking  Volume 24, Issue 2
April 2016
646 pages
ISSN:1063-6692
Issue’s Table of Contents

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IEEE Press

Publication History

Published: 01 April 2016
Published in TON Volume 24, Issue 2

Author Tags

  1. Perron-Frobenius theorem
  2. energy efficiency
  3. optimization
  4. outage probability
  5. power control
  6. small cell networks

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  • (2024)Outage analysis of downlink communications in heterogeneous networks under backhaul constraintWireless Networks10.1007/s11276-024-03668-730:4(2257-2273)Online publication date: 1-May-2024
  • (2019)An enhanced distributed power control algorithm for mobile femtocells under limited dynamic range and its convergenceWireless Networks10.1007/s11276-018-1736-x25:7(4147-4160)Online publication date: 1-Oct-2019
  • (2017)Optimal Power Control for D2D Communications under Rician Fading: A Risk Theoretical ApproachGLOBECOM 2017 - 2017 IEEE Global Communications Conference10.1109/GLOCOM.2017.8254838(1-6)Online publication date: 4-Dec-2017
  • (2017)Rate-Constrained Energy Minimization in Networks with Multiple Mobile Network Operator AccessGLOBECOM 2017 - 2017 IEEE Global Communications Conference10.1109/GLOCOM.2017.8254466(1-6)Online publication date: 4-Dec-2017
  • (2017)Heterogeneous ad hoc networksAd Hoc Networks10.1016/j.adhoc.2016.11.00155:C(143-152)Online publication date: 1-Feb-2017
  • (2017)Effect of Uncertainty in the Backhaul Channel Gain Reciprocity on the Performance of Pilot Assisted Power Allocation in Vehicular Small CellsWireless Personal Communications: An International Journal10.1007/s11277-017-4488-596:4(6503-6517)Online publication date: 1-Oct-2017
  • (2017)Toward Distributed Robust Power Allocation of Wireless Backhaul Links in Vehicular Small CellsWireless Personal Communications: An International Journal10.1007/s11277-017-4029-295:4(3857-3882)Online publication date: 1-Aug-2017

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