UWB versus 802.11 - a Network Perspective

2006 3rd International Conference on Broadband Communications, Networks and Systems Pub Date : 2006-10-01 DOI:10.1109/BROADNETS.2006.4374351

Gyouhwan Kim, A. Rajeswaran, R. Negi

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引用次数: 7

Abstract

Debate has been raging on the relative merits of Ultra Wide Band (UWB) and 802.11 as the technology of choice to achieve high speed wireless networking. The comparisons have focused on the single-link rate versus range issues. However, in real world applications, these radios will operate in a networking environment with significant interference effects. The interference handling capabilities of these two radios are drastically different due to their dramatically opposite power-bandwidth trade-offs. In this paper, a networking comparison, of UWB and 802.11, is performed through the application of a formal optimization theoretic framework. Simulations are conducted for network topologies typical of WPAN and WLAN scenarios. It is demonstrated that the link range over which UWB outperforms 802.11 is larger than is to be expected from a single-link comparison. Thus, a network-level comparison of different physical layers is shown to be essential in choosing the appropriate wireless technologies. A few possible future variations of 802.11 and UWB are also investigated in this flexible framework.

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UWB与802.11——网络视角

关于超宽带(UWB)和802.11作为实现高速无线网络的选择技术的相对优点的争论一直很激烈。比较主要集中在单联系汇率和区间问题上。然而，在实际应用中，这些无线电将在具有显著干扰效应的网络环境中运行。这两种无线电的干扰处理能力截然不同，因为它们的功率带宽权衡截然相反。在本文中，通过应用一个正式的优化理论框架，对UWB和802.11进行了组网比较。对典型的WPAN和WLAN场景的网络拓扑进行了仿真。结果表明，UWB优于802.11的链路范围比单链路比较所期望的要大。因此，在选择适当的无线技术时，不同物理层的网络级比较是必不可少的。在这个灵活的框架中，还研究了802.11和UWB的一些可能的未来变化。

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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2006 3rd International Conference on Broadband Communications, Networks and Systems

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