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Distributed power allocation and interference mitigation in two-tier femtocell networks: A game-theoretic approach

  • Maryam Lashgari
  • , Behrouz Maham
  • , Hamed Kebriaei
  • , Walid Saad

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

8 Citations (Scopus)

Abstract

In this paper, a novel approach for interference pricing and power control in the uplink of a two-tier small cell network is proposed. To model this problem, a Stackelberg game is formulated in which the macrocell base station (MBS) and the femtocell user equipments (FUEs) are the players that seek to maximize their utility. In this game, the MBS optimizes its revenue which depends on the interference quota sold to the FUEs while the FUEs optimize the utility that captures the tradeoff between rate and payment to the MBS. Here, the MBS (leader) must choose an optimal price in order to manage the interference level from the FUEs (followers). To solve this game, a two-step distributed interference price bargaining algorithm is proposed. Using a number of techniques, the convergence of the proposed algorithm to a Stackelberg equilibrium is shown analytically. Simulation results show that this approach converges for a wide range of channel power gains while maintaining a certain energy efficiency level for the transmitting users.

Original languageEnglish
Title of host publicationIWCMC 2015 - 11th International Wireless Communications and Mobile Computing Conference
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages55-60
Number of pages6
ISBN (Electronic)9781479953448
DOIs
Publication statusPublished - 2 Oct 2015
Event11th International Wireless Communications and Mobile Computing Conference, IWCMC 2015 - Dubrovnik, Croatia
Duration: 24 Aug 201528 Aug 2015

Publication series

NameIWCMC 2015 - 11th International Wireless Communications and Mobile Computing Conference

Conference

Conference11th International Wireless Communications and Mobile Computing Conference, IWCMC 2015
Country/TerritoryCroatia
CityDubrovnik
Period24/08/1528/08/15

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Stackelberg game
  • adaptive expectation
  • energy efficiency
  • femtocell

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