On the Two-user Multi-carrier Joint Channel Selection and Power Control Game

Abstract : In this paper, we propose a hierarchical game approach to model the energy efficiency maximization problem where transmitters individually choose their channel assignment and power control. We conduct a thorough analysis of the existence, uniqueness and characterization of the Stackelberg equilibrium. Interestingly, we formally show that a spectrum orthogonalization naturally occurs when users decide sequentially about their transmitting carriers and powers, delivering a binary channel assignment. Both analytical and simulation results are provided for assessing and improving the performances in terms of energy efficiency and spectrum utilization between the simultaneous-move game (with synchronous decision makers), the social welfare (in a centralized manner) and the proposed Stackelberg (hierarchical) game. For the first time, we provide tight closed-form bounds on the spectral efficiency of such a model, including correlation across carriers and users. We show that the spectrum orthogonalization capability induced by the proposed hierarchical game model enables the wireless network to achieve the spectral efficiency improvement while still enjoying a high energy efficiency.
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Contributor : Oussama Habachi <>
Submitted on : Monday, September 5, 2016 - 10:58:03 AM
Last modification on : Friday, March 22, 2019 - 11:34:07 AM

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Majed Haddad, Piotr Wiecek, Oussama Habachi, Yezekael Hayel. On the Two-user Multi-carrier Joint Channel Selection and Power Control Game. IEEE Transactions on Communications, Institute of Electrical and Electronics Engineers, 2016, ⟨10.1109/TCOMM.2016.2584609⟩. ⟨hal-01359983⟩

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