arXivDaily arXiv每日学术速递 周一至周五更新
稍安勿躁,官方尚未更新
arXiv cs/0602014cs.ITmath.IT
收藏

分布式频谱协调的博弈论问题及其在DSL网络中的应用

Game theoretic aspects of distributed spectral coordination with application to DSL networks

Amir Laufer, Amir Leshem, Hagit Messer

摘要:

在本文中,我们使用博弈论的技术来研究分布式频谱管理问题中的合作价值。我们发现,著名的迭代注水算法是受囚徒困境,因此可以导致严重退化的干扰信道环境中的可实现的速率区域。我们还提供了一个简单的两个频段近远的情况下,我们能够提供封闭形式的严格限制的固定利润迭代注水(FM-IWF)和动态频分复用(DFDM)方法的速率区域进行了彻底的分析。这是唯一的情况下,这样的解析表达式是已知的,所有以前的研究只包括模拟结果的速率区域。然后,我们提出了一种替代算法,该算法的IWF算法在近远的情况下,DSL接入网络相关的一些缺点。我们还提供了实验分析的基础上测量的DSL信道的两种算法,以及集中的最佳频谱管理。

英文摘要:

In this paper we use game theoretic techniques to study the value of cooperation in distributed spectrum management problems. We show that the celebrated iterative water-filling algorithm is subject to the prisoner's dilemma and therefore can lead to severe degradation of the achievable rate region in an interference channel environment. We also provide thorough analysis of a simple two bands near-far situation where we are able to provide closed form tight bounds on the rate region of both fixed margin iterative water filling (FM-IWF) and dynamic frequency division multiplexing (DFDM) methods. This is the only case where such analytic expressions are known and all previous studies included only simulated results of the rate region. We then propose an alternative algorithm that alleviates some of the drawbacks of the IWF algorithm in near-far scenarios relevant to DSL access networks. We also provide experimental analysis based on measured DSL channels of both algorithms as well as the centralized optimum spectrum management.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑