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Game Based Self-Organizing Scheme for Femtocell Networks

  • Kwanghun Han
  • Seunghyun Choi
  • Du Ho Kang
  • Sunghyun Choi
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 75)

Abstract

A femto base station (BS) is an emerging candidate solution to guarantee wireless coverage and enhance capacity in indoor environments. Ideally, femto BSs should be designed to be installed by customers without their manual configuration. Hence, a femtocell network should be automatically organized by configuring the operating frequency channel and transmit power level of the femto BSs adaptively according to the interference environment. However, in order to enhance the capacity of femtocell users, the femto BSs in the network should be carefully configured since they can cause severe co-channel interference to the existing macrocell networks operating in the same frequency channel. In this work, we propose an automatic self-organizing scheme for a femtocell network by jointly considering transmit power control and dynamic frequency selection, which tries to maximize the mean sum downlink achievable rate of the femtocell users and to guarantee the performance of the macrocell users by limiting the co-channel interference from the femtocells. The proposed scheme is based on a potential game which guarantees a convergence property, and we enhance the scheme with a Tabu search, which attempts to achieve the optimality.

Keywords

Medium Access Control Tabu Search Frequency Channel Tabu List Potential Game 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering 2012

Authors and Affiliations

  • Kwanghun Han
    • 1
  • Seunghyun Choi
    • 1
  • Du Ho Kang
    • 2
  • Sunghyun Choi
    • 1
  1. 1.School of Electrical Engineering and INMCSeoul National UniversityKorea
  2. 2.Wireless@KTHRoyal Institute of Technology (KTH)Sweden

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