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基于效用的超宽带系统带宽分配

Bandwidth Allocation of UWB Systems Based on Utility
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摘要 把超宽带系统的带宽优化调度表示为一个效用最大化的问题。对于系统的带宽分配,效用函数是服务质量的有效度量,它反映了用户对所分配的资源的满意程度。针对超宽带无线网络带宽分配中链路和用户的集中式算法的复杂性,用分布式方案解决这种问题,以自适应变化的无线网络环境。对系统带宽进行基于效用的分配,满足超宽带系统高速率传输的需要。 In this paper, the optimal bandwidth scheduling problem for UWI3 networks was formulated as a utility maximization problem. Concerning the system bandwidth allocation, utility function is an effective measure of OoS. Utility reflects the user＇s satisfaction level to the assigned resource. Due to the complex coordination among users and links of wireless UWB systems, we proposed the problem with a decentralized scheme, which adapted naturally to changing wireless network conditions. We allocated system bandwidth based on utility, which fulfilled high rate transmission of UWB systems.
作者 蒙文武 朱光喜 刘干 张良
机构地区 华中科技大学电子与信息工程系
出处 《计算机科学》 CSCD 北大核心 2009年第10期124-126,共3页 Computer Science
基金 国家自然科学基金(60496315) 国家高技术研究发展计划(2006AA01Z233)资助
关键词 超宽带 效用函数 纳什均衡 带宽分配 Ultra wideband, Utility function, Nash equilibrium, Bandwidth allocation
分类号 TN929.5 [电子电信—通信与信息系统]
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参考文献11

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计算机科学
2009年 第10期

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