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Wireless network compression: Code design and trade offs

机译:无线网络压缩:代码设计和权衡

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Traces derived from the real-world mobile network traffic show significant inter-client redundancy among packets. This has inspired new solutions to reduce the amount of redundancy present in the data in order to manage the explosive traffic. In this paper, we propose a novel approach to leverage this redundancy by employing a novel network compression technique using wireless helper nodes. A Helper node provides the side information, that it obtained via overhearing, to mobile clients and assists the wireless gateway to more effectively compress each new packet when serving every new client. We investigate the potential benefits of wireless network compression from an information-theoretic point of view. We also describe a coding mechanism which adapts the two-part coding scheme to wireless network compression. We optimize this coding scheme to achieve minimum cost communication in the network. We also characterize the trade-off between the number of bits sent by the wireless gateway and the number of bits sent by the helper to a client.
机译:从现实世界的移动网络流量中得出的痕迹表明,数据包之间存在很大的客户端间冗余。这启发了新的解决方案,以减少数据中存在的冗余量,以管理爆炸性流量。在本文中,我们提出了一种新颖的方法,通过使用使用无线辅助节点的新颖的网络压缩技术来利用这种冗余。 Helper节点将通过偷听获得的辅助信息提供给移动客户端,并在为每个新客户端提供服务时协助无线网关更有效地压缩每个新数据包。我们从信息论的角度研究无线网络压缩的潜在好处。我们还描述了一种将两部分编码方案适应无线网络压缩的编码机制。我们优化此编码方案,以实现网络中最低成本的通信。我们还描述了无线网关发送的位数与助手发送给客户端的位数之间的权衡。

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