FRACTEL:农村网状网络的新视角

Kameswari Chebrolu, B. Raman
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引用次数: 80

摘要

使用商用802.11硬件向农村地区提供网络连接是一个吸引人的提议。在本文中,我们考虑这样的网络,与远距离和短距离链路的组合。在这样的背景下,我们对多跳网状网络中的各种技术问题提供了一个新的视角。为了支持基于语音、视频的实时应用的QoS,使用基于tdma的MAC是合适的。在这种情况下,我们认为现有的TDMA调度和信道分配方法要么不适用,要么过于笼统,因此复杂。在设计适用于我们环境的解决方案时,我们应用广泛的领域知识。我们还提出了适当的TDMA MAC实现策略,能够扩展到大型网络。在上述所有主题中,我们在适用的情况下阐明开放的技术问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
FRACTEL: a fresh perspective on (rural) mesh networks
The use of commodity 802.11 hardware to provide network connectivity to rural regions is an appealing proposition. In this paper, we consider such networks, with a combination of long-distance and short-distance links. In such a setting, we offer a fresh perspective on a variety of technical issues in multi-hop mesh networks. To support QoS for voice, video-based real-time applications, the use of a TDMA-based MAC is appropriate. In this context, we argue that existing approaches to TDMA scheduling and channel allocation are either inapplicable, or are too general and hence complicated. We apply extensive domain knowledge in designing a solution applicable in our context. We also suggest appropriate implementation strategies for the TDMA MAC, capable of scaling to large networks. In all of the above topics, we articulate open technical issues wherever applicable.
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