Assessing the Intensity of Sending Packets When Transmitting Telemetry Messages in an IoT System for Medical Purposes
DOI:
https://doi.org/10.52575/2687-0932-2024-51-3-710-721Keywords:
remote medical monitoring, Internet of things, IoT system, telemetry messages, MQTTAbstract
The article is devoted to the study of the process of transmitting telemetry messages in the Internet of Things (IoT) system for remote medical monitoring. Based on the use of the probabilistic graph apparatus, a mathematical model of data exchange between sensor devices and the MQTT server has been developed, which adequately reflects the dependence of the intensity of sending packets when transmitting telemetry messages in an IoT system depending on the level of bit errors in wireless channels and a number of other characteristics of the process under study. The results of computational experiments performed using the developed model are presented. The results obtained correspond to the logic of the data exchange process between sensor devices and the server and can be used in further research to control the parameters and delivery modes of telemetry messages in an IoT system for medical purposes. In particular, based on the results obtained, it is planned to develop methods for controlling the timeout and the number of retransmissions of data packets, and selecting the provided QoS level depending on changing external conditions. This will minimize delays in the delivery of telemetry messages in the IoT system and ensure the speed of transmission of data on the health status of patients in wireless remote monitoring systems used by medical workers to provide timely assistance.
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