User-Network Association in an 802.11 WLAN & 3G UMTS hybrid cell: Individual optimality

Dinesh Kumar, E. Altman, J. Kélif
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引用次数: 22

Abstract

More and more users subscribing to wireless broadband services are seeking to have access to both WLAN and UMTS networks. We study individually optimal user-network association in an integrated WLAN and UMTS hybrid cell. The association problem is formulated within a non-cooperative game framework. In the formulation, mobile arrivals are assumed to follow the Poisson process and each mobile considers its average service time in each network as the decision criteria to connect to either of the WLAN or UMTS networks. We seek to compute the optimal association or decision policy that achieves the Nash equilibrium. For this we develop a generic system of linear equations for estimating the average service time of a mobile. This system is then solved assuming a particular model for the WLAN and UMTS networks and we explicitly compute the optimal association policy that is observed to possess a descending staircase curve structure.
802.11 WLAN和3G UMTS混合小区中的用户网络关联:个体最优性
越来越多订阅无线宽带服务的用户正在寻求同时接入WLAN和UMTS网络。我们在集成的WLAN和UMTS混合小区中单独研究最优用户网络关联。该关联问题是在非合作博弈框架下形成的。在该公式中,假定移动到达遵循泊松过程,并且每个移动将其在每个网络中的平均服务时间作为连接到WLAN或UMTS网络的决策标准。我们寻求计算达到纳什均衡的最优关联或决策策略。为此,我们建立了一个估计手机平均使用时间的一般线性方程组。然后,假设WLAN和UMTS网络的特定模型来解决该系统,并明确地计算出观察到具有下降阶梯曲线结构的最优关联策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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