Game-theoretic approach of fair bandwidth allocation in DVB-RCS networks

S. Vassaki, A. Panagopoulos, P. Constantinou
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引用次数: 10

Abstract

In the present paper we study the problem of bandwidth allocation in DVB-RCS networks. DVB-RCS networks operate at Ku band and above. At these frequencies, rain attenuation is the dominant fading mechanism and exhibits significant spatial-temporal variation among the users. Firstly, the resource allocation is modeled as a non cooperative game and we find the Nash equilibrium employing the Nikaido-Isoda function and a relaxation algorithm. Moreover, we force the game to converge to a more fair equilibrium point, by introducing a pricing scheme. The bandwidth allocation to users that are affected more by rain fading is improved. Finally, we apply the principles of a cooperative game to describe the problem of resource allocation and we compare the results of the three approaches. Some useful conclusions are drawn.
DVB-RCS网络带宽公平分配的博弈论方法
本文研究了DVB-RCS网络中的带宽分配问题。DVB-RCS网络在Ku波段及以上运行。在这些频率下,降雨衰减是主要的衰落机制,并且在用户之间表现出显著的时空变化。首先,将资源分配建模为非合作博弈模型,利用Nikaido-Isoda函数和松弛算法求解纳什均衡;此外,我们通过引入定价方案,迫使博弈收敛到一个更公平的平衡点。改进了受雨衰落影响较大的用户的带宽分配。最后,我们运用合作博弈的原理来描述资源分配问题,并比较了三种方法的结果。得出了一些有用的结论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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