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In wireless communication networks, when the workload increases, sourcesbecome more aggressive at the equilibrium in the game setting in comparisonwith the team problem by using slotted Aloha mechanism. Consequently, morepackets are in collision and are lost. To reduce these phenomena and to enhancethe performance of the networks, we propose to combine ZigZag decoding approachwith non cooperative slotted Aloha mechanism. This approach was introduced inour previous work based on the cooperative slotted Aloha mechanism. Theobtained results showed that this approach has significantly improved thecooperative slotted Aloha mechanism and gave best results for the throughputand delay. In this paper, we analyze the impact of combining non cooperativeslotted Aloha and ZigZag Decoding. We model the system by a two dimensionalMarkov chain that integrates the effect of ZigZag decoding. The states of theMarkov chain describe the number of backlogged packets among the users. We usea stochastic game to achieve our objective; we evaluate and compare theperformances parameters of the proposed approach with those of a simple slottedAloha mechanism. All found results show that our approach improves theperformance parameters of the system.

Analysis of Performance Parameters in Wireless Networks by using Game  Theory for the non Cooperative Slotted Aloha Enhanced by ZigZag Decoding  Mechanism