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arXiv 1210.3552cs.NI
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基于Internet的大规模分布式动态频谱发现机制

Large-Scale Distributed Internet-based Discovery Mechanism for Dynamic Spectrum Allocation

Magnus Skjegstad, Brage Ellingsæter, Torleiv Maseng, Jon Crowcroft, Øivind Kure

摘要:

频率的稀缺和对更多带宽的需求可能会增加对更有效地利用可用频率的设备的需求。无线电必须能够动态地找到频带的其他用户并进行调整,以便即使他们使用不同的无线电协议也不会受到干扰。由于距离较远的发射机可能会造成与位于附近的发射机一样多的干扰,因此这种机制不能仅基于位置。中央数据库可用于此目的,但需要昂贵的基础设施和规划来扩展。在本文中,我们提出了一个分散的协议和架构,发现无线电设备在互联网上。该协议具有低资源要求,使其适合在有限的平台上实现。我们评估协议,通过模拟网络拓扑结构与多达230万个节点,包括挪威的人口模式产生的拓扑结构。该协议也已在实际Wi-Fi路由器中作为概念验证实现。

英文摘要:

Scarcity of frequencies and the demand for more bandwidth is likely to increase the need for devices that utilize the available frequencies more efficiently. Radios must be able to dynamically find other users of the frequency bands and adapt so that they are not interfered, even if they use different radio protocols. As transmitters far away may cause as much interference as a transmitter located nearby, this mechanism can not be based on location alone. Central databases can be used for this purpose, but require expensive infrastructure and planning to scale. In this paper, we propose a decentralized protocol and architecture for discovering radio devices over the Internet. The protocol has low resource requirements, making it suitable for implementation on limited platforms. We evaluate the protocol through simulation in network topologies with up to 2.3 million nodes, including topologies generated from population patterns in Norway. The protocol has also been implemented as proof-of-concept in real Wi-Fi routers.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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