A Noncooperative Game-Theoretic Framework for Radio Resource Management in 4G Heterogeneous Wireless Access Networks
A Noncooperative Game-Theoretic Framework for Radio Resource Management in 4G Heterogeneous Wireless Access Networks
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DOI：
10.1109/tmc.2007.70727
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发表时间：
2008-03
影响因子：
7.9
通讯作者：
D. Niyato;E. Hossain
中科院分区：
文献类型：
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作者：
D. Niyato;E. Hossain
第四代（4G）无线网络将以无缝方式向移动的用户提供具有服务质量（QoS）支持的高带宽连接。在这种情况下，移动的用户将能够同时连接到不同的无线接入网络，例如无线城域网（WMAN）、蜂窝网络和无线局域网（WLAN）。我们提出了一个博弈论的无线资源管理框架（即带宽分配和准入控制）在这样一个异构的无线接入环境。首先，一个非合作的游戏是用来获得带宽分配到一个服务区，从不同的接入网络在该服务区（长期的基础上）。这个博弈的纳什均衡给出了最优分配，使网络中所有连接（即所有服务区域）的效用最大化。其次，基于所获得的带宽分配，优先考虑新的连接的垂直和水平切换连接，讨价还价的游戏制定获得的容量预留阈值，使连接级的QoS要求可以满足不同类型的连接（长期的基础上）。第三，我们制定了一个非合作的游戏，以获得不同的接入网络（在短期的基础上）分配给到达连接（在服务区）的带宽量。基于分配的带宽和容量预留阈值，准入控制用于限制正在进行的连接的数量，使得对于不同类型的连接，QoS性能保持在目标水平。
Fourth generation (4G) wireless networks will provide high-bandwidth connectivity with quality-of-service (QoS) support to mobile users in a seamless manner. In such a scenario, a mobile user will be able to connect to different wireless access networks such as a wireless metropolitan area network (WMAN), a cellular network, and a wireless local area network (WLAN) simultaneously. We present a game-theoretic framework for radio resource management (that is, bandwidth allocation and admission control) in such a heterogeneous wireless access environment. First, a noncooperative game is used to obtain the bandwidth allocations to a service area from the different access networks available in that service area (on a long-term basis). The Nash equilibrium for this game gives the optimal allocation which maximizes the utilities of all the connections in the network (that is, in all of the service areas). Second, based on the obtained bandwidth allocation, to prioritize vertical and horizontal handoff connections over new connections, a bargaining game is formulated to obtain the capacity reservation thresholds so that the connection-level QoS requirements can be satisfied for the different types of connections (on a long-term basis). Third, we formulate a noncooperative game to obtain the amount of bandwidth allocated to an arriving connection (in a service area) by the different access networks (on a short-term basis). Based on the allocated bandwidth and the capacity reservation thresholds, an admission control is used to limit the number of ongoing connections so that the QoS performances are maintained at the target level for the different types of connections.