Offloading performance evaluation for network coding-based cooperative mobile video streaming

2016 7th International Conference on the Network of the Future (NOF) Pub Date : 2016-11-01 DOI:10.1109/NOF.2016.7810117

Lamara Aymen, Baoliu Ye, T. Nguyen

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引用次数: 10

Abstract

Nowadays, video streaming has became one of the most popular multimedia applications and will be the dominant data traffic in cellular networks. This is a real challenge for mobile network operators because the cellular base stations will be overloaded. One promising solution to offload mobile traffic from the base stations is the use of Device-to-Device (D2D) communications. Each mobile phone can use both cellular and Wi-Fi network interfaces to download video segments either from the Internet or from a neighboring device. However, it is crucial to improve the reliability of D2D communications to maximize the offloading benefits. In this paper, we use network coding to address the reliability in cooperative D2D-based transmission of video streaming. We have implemented Random Linear Network Coding (RLNC) on the CoopStreaming system and evaluate the offloading gain. The experimental results show that the use of network coding has significantly improved the reliability of D2D communications among neighboring devices and therefore increased the cellular offloading gain.

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基于网络编码的协同移动视频流卸载性能评价

如今，视频流已成为最流行的多媒体应用之一，并将成为蜂窝网络中主要的数据流量。这对移动网络运营商来说是一个真正的挑战，因为蜂窝基站将过载。从基站卸载移动流量的一个有希望的解决方案是使用设备到设备(D2D)通信。每部手机都可以使用蜂窝网络和Wi-Fi网络接口从互联网或邻近设备下载视频片段。然而，提高D2D通信的可靠性以最大化卸载效益是至关重要的。在本文中，我们使用网络编码来解决视频流在基于2d的协同传输中的可靠性问题。我们在CoopStreaming系统上实现了随机线性网络编码(RLNC)，并对其卸载增益进行了评估。实验结果表明，网络编码的使用显著提高了相邻设备间D2D通信的可靠性，从而提高了蜂窝卸载增益。

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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2016 7th International Conference on the Network of the Future (NOF)

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