A game theoretic approach for content distribution over wireless networks with mobile-to-mobile cooperation

L. Al-Kanj, W. Saad, Z. Dawy
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引用次数: 29

Abstract

With the emergence of green communication as a central design issue in wireless networks, the need for energy-efficient transmission protocols has significantly increased. In this paper, we study the problem of cooperative energy-efficient content distribution among a number of mobile terminals that are seeking to receive a content from a common wireless access point, e.g., a base station. We model the problem as a coalitional game among the mobile terminals and we propose a distributed algorithm for coalition formation. Using the proposed algorithm, the mobile terminals can cooperate and self-organize into independent coalitions for sharing content while minimizing the network's energy consumption. Within each coalition, a mobile, designated as coalition head, receives the content from the base station and shares it with its cooperating partners, either by unicasting or multicasting, using a short-range wireless technology. We analyze the resulting coalitional structures and study their properties. Simulation results show that the proposed algorithm presents a significant energy reduction in the network reaching up to 60% relative to the non-cooperative case and 37.5% relative to the case where all requesting mobiles form a grand coalition.
移动对移动合作无线网络内容分发的博弈论方法
随着绿色通信作为无线网络设计的核心问题的出现,对节能传输协议的需求显著增加。在本文中,我们研究了多个移动终端之间的合作节能内容分配问题,这些移动终端寻求从一个共同的无线接入点(例如基站)接收内容。我们将该问题建模为移动终端之间的联盟博弈,并提出了一种分布式联盟形成算法。使用该算法,移动终端可以相互协作并自组织成独立的联盟来共享内容,同时最小化网络能耗。在每个联盟中,指定为联盟负责人的移动设备接收来自基站的内容,并使用短距离无线技术通过单播或多播与合作伙伴共享。我们分析了由此产生的联盟结构并研究了它们的性质。仿真结果表明,该算法在网络中相对于非合作情况节能60%,相对于所有请求移动组成大联盟的情况节能37.5%。
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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