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Radio Resource Management using a Game Theoretic Approach Method in Heterogeneous Wireless Networks

이종 네트워크 환경에서 게임 이론적 접근방법을 이용한 무선 자원관리

  • Received : 2014.08.12
  • Accepted : 2015.03.12
  • Published : 2015.03.31

Abstract

With the development of wireless network technologies, mobile users may use various networks easily and expect more advanced services. On the other hand, it may bring on some problems with network resource management that should lead the service provider to improve the current service quality and manage the network resource efficiently. This paper proposes the optimized radio resource management (RRM) scheme that integrates the Grey Relational Analysis (GRA) and game theory. The first applies the GRA to determine the Grey Relation Coefficient (GRC) factors that represent the network preference, and the network provider then selects the requested service that provide maximum payoff through Nash Equilibrium. Six requested services that have one application service among four different types of service classes were considered and the game was played repeatedly. In WiMAX, WLAN 1 and WLAN 2 game, the maximum payoff of each players was 93, 90.6 and 92.8 respectively. The experimental results show that every requested service can be selected by the network provider. Consequently, the proposed radio resource management mechanism is more effective in heterogeneous wireless networks.

Keywords

Game Theory;Grey Relational Analysis;Heterogeneous Network;Vertical Handover

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