论文部分内容阅读
第三代无线系统将提供宽带个人多媒体服务，QoS的控制及无线系统资源分配问题则成为关注的焦点。文章对CDMA网络中QoS控制的核心手段“功率控制”介绍了一种基于博弈的模型。文中用户的QoS由效用函数来评价，分布式功率控制则被看成非合作博弈。 功率分配通过求解Nash均衡来实现。价格函数的引入提高了系统的效率，针对静态价格函数，文章提出了一种能够反映系统拥塞程度的动态价格函数方法，以提高系统资源利用率，并对此算法作了仿真。
The third generation of wireless systems will provide broadband personal multimedia services, QoS control and wireless system resource allocation issues have become the focus of attention. This paper introduces a game-based model for power control in the core of QoS control in CDMA network. The user’s QoS is evaluated by utility function, and distributed power control is regarded as non-cooperative game. Power allocation is achieved by solving Nash equilibrium. The introduction of the price function improves the efficiency of the system. Aiming at the static price function, a dynamic pricing function method is proposed to reflect the system congestion, so as to improve the utilization of system resources. The algorithm is simulated.