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电子学报  2012 

基于加权协商对策论异构网络快速无线传输的速率分配算法

DOI: 10.3969/j.issn.0372-2112.2012.07.030, PP. 1471-1475

Keywords: 合作传输,速率分配,协商对策论,Nash协商对策解

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Abstract:

本文研究异构无线网络合作传输的速率分配问题.作为合作传输的理性参与者,异构网络可通过反复协商得到彼此都满意的最优分配方案,即协商对策.因此,本文在速率需求和可用带宽这两个约束条件下,考虑网络传输能力的异构性,用加权协商对策论对异构网络合作传输的速率分配进行了数学建模;以最小传输时间作为优化目标构造了效用函数,证明了该函数是一个凸函数,并利用拉格朗日乘数法推导出最优显式解;提出了一种在终端上可实现的速率分配算法,进行了性能仿真实验.本文算法特别适合于应急通信等快速传输场景.

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