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On game-theoretic power control under successive interference cancellation

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2 Author(s)
St.Jean, C.A. ; Dept. of Electr. & Comput. Eng., George Mason Univ., Fairfax, VA ; Jabbari, B.

Game-theoretic analytical techniques have been applied, of late, to uplink power control in DS-CDMA networks. We extend our previous analysis [1] of game-theoretic power control under successive interference cancellation performed under a dynamic cancellation ordering. Both continuous and discrete power control are investigated. Under continuous power control, we prove the nonexistence of a symmetric power control equilibrium, illustrating that no easily applicable equilibrium existence result applies to this power control problem. Under discrete power control, we demonstrate empirically a high probability of equilibrium if the action set is not too precise, an encouraging result in the absence of a pure-strategy equilibrium guarantee.

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Wireless Communications, IEEE Transactions on  (Volume:8 ,  Issue: 4 )