异构网络中关联问题的一种混合决策方法
A hybrid decision approach for the association problem in heterogeneous networks
摘要：
网络游戏领域对无线网络的影响越来越大。这反映了对重要的扩展优势的认识，服务提供商可以通过增加移动设备在决策中的自主权而受益。然而，这可能会导致非合作博弈中均衡所固有的低效率。由于对效率的关注，集中式协议一直被考虑并与分散式协议进行比较。从网络架构的角度来看，这意味着以网络为中心和以终端为中心的无线电资源管理方案的共存。而不是在每个解决方案的支持者之间的辩论中的一部分，我们在本文中提出的混合方案，无线用户在他们的决定，广播聚合负载信息的网络协助。我们得到的效用有关的服务质量（QoS）的用户感知和发展的贝叶斯框架，以获得均衡。数值结果表明，使用我们的混合博弈框架在HSDPA和3G LTE系统组成的网络中的关联问题的优势。
英文摘要：
The area of networking games has had a growing impact on wireless networks. This reflects the recognition in the important scaling advantages that the service providers can benefit from by increasing the autonomy of mobiles in decision making. This may however result in inefficiencies that are inherent to equilibria in non-cooperative games. Due to the concern for efficiency, centralized protocols keep being considered and compared to decentralized ones. From the point of view of the network architecture, this implies the co-existence of network-centric and terminal centric radio resource management schemes. Instead of taking part within the debate among the supporters of each solution, we propose in this paper hybrid schemes where the wireless users are assisted in their decisions by the network that broadcasts aggregated load information. We derive the utilities related to the Quality of Service (QoS) perceived by the users and develop a Bayesian framework to obtain the equilibria. Numerical results illustrate the advantages of using our hybrid game framework in an association problem in a network composed of HSDPA and 3G LTE systems.
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