Nanodevices with Terahertz (THz)-based wireless communication capabilities
are providing a primer for flow-guided localization within the human
bloodstreams. Such localization is allowing for assigning the locations of
sensed events with the events themselves, providing benefits in precision
medicine along the lines of early and precise diagnostics, and reduced costs
and invasiveness. Flow-guided localization is still in a rudimentary phase,
with only a handful of works targeting the problem. Nonetheless, the
performance assessments of the proposed solutions are already carried out in a
non-standardized way, usually along a single performance metric, and ignoring
various aspects that are relevant at such a scale (e.g., nanodevices' limited
energy) and for such a challenging environment (e.g., extreme attenuation of
in-body THz propagation). As such, these assessments feature low levels of
realism and cannot be compared in an objective way. Toward addressing this
issue, we account for the environmental and scale-related peculiarities of the
scenario and assess the performance of two state-of-the-art flow-guided
localization approaches along a set of heterogeneous performance metrics such
as the accuracy and reliability of localization.

利用纳米装置进行 Terahertz 无线通信技术实现血流引导定位，为精准医学提供了早期且精确的诊断，降低了成本和侵入性，本文针对血流引导定位的两种最新方法采用一系列异构性能度量标准进行性能评估。