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首页> 外文期刊>ACM transactions on sensor networks >Opportunistic Spectrum Allocation for Interference Mitigation Amongst Coexisting Wireless Body Area Networks
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Opportunistic Spectrum Allocation for Interference Mitigation Amongst Coexisting Wireless Body Area Networks

机译：在共存的无线人体局域网中缓解干扰的机会频谱分配

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Wireless Body Area Networks (WBANs) are seen as the enabling technology for developing new generations of medical applications, such as remote health monitoring. As such it is expected that WBANs will predominantly transport mission-critical and delay sensitive data. A key strategy towards building a reliable WBAN is to ensure such networks are highly immune to interference. To achieve this, new and intelligent wireless spectrum allocation strategies are required not only to avoid interference, but also to make best-use of the limited available spectrum. This article presents a new spectrum allocation scheme referred to as Smart Channel Assignment (SCA), which maximizes the resource usage and transmission speed by deploying a partially-orthogonal channel assignment scheme between coexisting WBANs as well as offering a convenient tradeoff among spectral reuse efficiency, transmission rate, and outage. Detailed analytical studies verify that the proposed SCA strategy is robust to variations in channel conditions, increase in sensor node-density within each WBAN, and an increase in number of coexisting WBANs.
机译：无线体域网（WBAN）被视为开发新一代医疗应用（例如远程健康监控）的使能技术。因此，预计WBAN将主要传输关键任务并延迟敏感数据。建立可靠的WBAN的关键策略是确保此类网络高度不受干扰。为了实现这一目标，不仅需要避免干扰，而且还需要充分利用有限的可用频谱，因此需要新的智能无线频谱分配策略。本文提出了一种称为智能信道分配（SCA）的新频谱分配方案，该方案通过在共存的WBAN之间部署部分正交的信道分配方案来最大程度地利用资源和提高传输速度，并在频谱复用效率之间提供便利的权衡，传输速率和中断。详细的分析研究证明，提出的SCA策略对于信道条件的变化，每个WBAN中传感器节点密度的增加以及共存WBAN数量的增加具有鲁棒性。

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