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首页> 外文期刊>Mobile Computing, IEEE Transactions on >Variable-Width Channel Allocation for Access Points: A Game-Theoretic Perspective
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Variable-Width Channel Allocation for Access Points: A Game-Theoretic Perspective

机译：接入点的可变宽度信道分配：一种博弈论的观点

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摘要

Channel allocation is a crucial concern in variable-width wireless local area networks. This work aims to obtain the stable and fair nonoverlapped variable-width channel allocation for selfish access points (APs). In the scenario of single collision domain, the channel allocation problem reduces to a channel-width allocation problem, which can be formulated as a noncooperative game. The Nash equilibrium (NE) of the game corresponds to a desired channel-width allocation. A distributed algorithm is developed to achieve the NE channel-width allocation that globally maximizes the network utility. A punishment-based cooperation self-enforcement mechanism is further proposed to ensure that the APs obey the proposed scheme. In the scenario of multiple collision domains, the channel allocation problem is formulated as a constrained game. Penalty functions are introduced to relax the constraints and the game is converted into a generalized ordinal potential game. Based on the best response and randomized escape, a distributed iterative algorithm is designed to achieve a desired NE channel allocation. Finally, computer simulations are conducted to validate the effectiveness and practicality of the proposed schemes.
机译：在可变宽度无线局域网中，信道分配是至关重要的问题。这项工作旨在为自私的接入点（AP）获得稳定，公平的，不重叠的可变宽度信道分配。在单冲突域的情况下，信道分配问题简化为信道宽度分配问题，可以将其表述为非合作博弈。游戏的纳什均衡（NE）对应于所需的通道宽度分配。开发了一种分布式算法来实现NE通道宽度分配，该分配可全局最大化网络实用程序。进一步提出了一种基于惩罚的合作自我执行机制，以确保受影响人遵守拟议的计划。在多个冲突域的情况下，信道分配问题被公式化为约束博弈。引入惩罚函数以放松约束，并将博弈转换为广义序数潜在博弈。基于最佳响应和随机逃逸，设计了分布式迭代算法以实现所需的NE信道分配。最后，进行计算机仿真以验证所提出方案的有效性和实用性。

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