Maximized Traffic Offloading by Content Sharing in D2D Communication

X. Yu, Chong Tan, Lin Ma, Min Zheng, Z. Bu
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引用次数: 3

Abstract

This paper studies the cellular traffic offloading in a content sharing network (CSN) where some mobile devices functioned as caching contributors can provide the nearby devices with popular contents on demand via D2D communication links. In consideration of the inherent selfishness of mobile users, the main challenge turns to be how to urge the device to maximize content sharing actively acting as the contributory caching device (CCD) via D2D link. To facilitate content sharing, a contribution-based incentive mechanism is introduced to encourage the CCDs. We formulate selectively caching as a matching problem and put forward a caching strategy to determine whether to cache some particular contents using Kuhn-Munkres algorithm. And the performances are validated by the numerical results.
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D2D通信中基于内容共享的最大流量分流
本文研究了内容共享网络(CSN)中的蜂窝流量分流问题,其中一些移动设备作为缓存贡献者,通过D2D通信链路向附近的设备提供热门内容。考虑到移动用户固有的自私自利,如何通过D2D链接促使设备作为贡献缓存设备(CCD)主动最大化内容共享成为主要挑战。为了促进内容分享,我们设立了一个以捐款为基础的激励机制,鼓励资讯科技中心分享内容。我们将选择性缓存表述为一个匹配问题,并提出了一种使用Kuhn-Munkres算法确定是否缓存某些特定内容的缓存策略。数值结果验证了该方法的性能。
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