한국멀티미디어학회논문지 (Journal of Korea Multimedia Society)

  • 제14권12호
  • /
  • Pages.1549-1558
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  • 2011
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  • 1229-7771(pISSN)
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  • 2384-0102(eISSN)
한국멀티미디어학회 (Korea Multimedia Society)
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An Integrated Game Theoretical Approach for Primary and Secondary Users Spectrum Sharing in Cognitive Radio Networks

  • Kim, Jong-Gyu (School of Computer Information, Yeungjin College) ;
  • Nguyen, Khanh-Huy (Dept. of Information and Communications Engineering, HSV-TRC, Inje University) ;
  • Lee, Jung-Tae (School of Computer Science and Engineering, Pusan National University) ;
  • Hwang, Won-Joo (Dept. of Information and Communications Engineering, HSV-TRC, Inje University)
  • 투고 : 2011.05.17
  • 심사 : 2011.12.07
  • 발행 : 2011.12.31
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초록

In this paper, we address the problem of bandwidth sharing among multiple primary users and multiple secondary users in a cognitive radio network. In cognitive radio networks, effective spectrum assignment for primary and secondary users is a challenge due to the available broad range of radio frequency spectrum as well as the requisition of harmonious coexistence of both users. To handle this problem, firstly, Bertrand game model is used to analyze a spectrum pricing in which multiple primary users emulate with each other to acquire maximal profit. After that, we employ Cournot game to model the spectrum sharing of secondary users to obtain optimal profit for each user also. Simulation results show that our scheme obtains optimal solution at Nash equilibrium.

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참고문헌

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