Literature Database Entry

angjo2023information

Joana Angjo, Jorge Torres Gómez and Falko Dressler, "Information Age in the Network of the Human Circulatory System," Proceedings of Si-Mposium 2023, Berlin, Germany, September 2023.

Abstract

This study focuses on an application scenario in precision medicine, where nanosensors flowing inside the body by means of the bloodstream can identify potential health-related abnormalities. The main idea is that the successful integration of in-body nanosensors with external gateway devices (such as a smart watch), can enable the early detection of diseases prior to the symptoms being evident. The movement of nanosensors with the bloodstream is random, thus we need to model the probability of nanosensors being in a specific blood vessel at a specific time. For modelling this large scale mobility of the nanosensors in the human circulatory system (HCS), we use a Markov chain model representation. On the other hand, the probability of correct detection of abnormalities from the monitoring device depends on the freshness of the information that the nanosensors report to this device. In other words, the more outdated the data, the less accurate we expect the predictions to be. We develop analytical solutions to assess the freshness of information using the metric of average peak age of information (PAoI). By utilizing the Blood Voyager Simulator (BVS) tool, that allows us to conduct the flow of nanosensors in the large scale simulations, we evaluate how the position of the external device impacts the freshness of the information metric. The outcomes of our study provide valuable insights in this direction, and also demonstrate that the performance of local communication (nanosensor – monitor communication link) has minimal impact on the average PAoI.

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Joana Angjo
Jorge Torres Gómez
Falko Dressler

BibTeX reference

@inproceedings{angjo2023information,
    author = {Angjo, Joana and Torres G{\'{o}}mez, Jorge and Dressler, Falko},
    title = {{Information Age in the Network of the Human Circulatory System}},
    address = {Berlin, Germany},
    booktitle = {Si-Mposium 2023},
    month = {9},
    year = {2023},
   }
   
   

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Last modified: 2025-03-19