具有能量收集的体内太赫兹纳米网络
Toward Location-aware In-body Terahertz Nanonetworks with Energy Harvesting
摘要：
纳米级无线网络有望彻底改变各种领域，在体内医疗保健方面取得重大进展。在医疗保健领域，这些纳米网络将由被动流过血液的能量收集纳米设备组成，在某些位置采取行动，并将结果传达给更强大的体域网（BAN）节点。假设这样的设置和太赫兹（THz）频率的电磁纳米通信，我们提出了一种网络架构，可以支持能量收集体内纳米节点的细粒度定位，以及它们与外界的双向通信。我们的提案的主要新颖之处在于引入位置感知和基于唤醒无线电（WuR）的无线纳米通信范例，以及软件定义的超材料（SDM），以太赫兹操作能量收集体内纳米网络。我们认为，在高层次上，所提出的架构可以处理（实际上受益于）大量的纳米节点，同时处理短范围的太赫兹体内传播和高度约束的纳米节点。
英文摘要：
Nanoscale wireless networks are expected to revolutionize a variety of domains, with significant advances conceivable in in-body healthcare. In healthcare, these nanonetworks will consist of energy-harvesting nanodevices passively flowing through the bloodstream, taking actions at certain locations, and communicating results to more powerful Body Area Network (BAN) nodes. Assuming such a setup and electromagnetic nanocommunication in the Terahertz (THz) frequencies, we propose a network architecture that can support fine-grained localization of the energy-harvesting in-body nanonodes, as well as their two-way communication with the outside world. The main novelties of our proposal lie in the introduction of location-aware and Wake-up Radio (WuR)-based wireless nanocommunication paradigms, as well as Software-Defined Metamaterials (SDMs), to THz-operating energy-harvesting in-body nanonetworks. We argue that, on a high level, the proposed architecture can handle (and actually benefits from) a large number of nanonodes, while simultaneously dealing with a short range of THz in-body propagation and highly constrained nanonodes.
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