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Communication Dans Un Congrès Année : 2022

Impact of optical wireless transmission reliability on ECG signal quality

Amel Chehbani
  • Fonction : Auteur
  • PersonId : 1395688
Stephanie Sahuguede
  • Fonction : Auteur
Anne Julien-Vergonjanne
  • Fonction : Auteur
Olivier Bernard
  • Fonction : Auteur
  • PersonId : 1373044
  • IdRef : 221804013

Résumé

In this article, we study an optical wireless ECG monitoring system for an elderly person, using an infrared link between a transmitter placed on the wrist and receivers on the ceiling of a room. It is assumed that the person walks across the room so that the transmission channel varies, which impacts the quality of the transmission and the ECG signal. Signal quality indices (SQIs) are a common measure used to assess ECG signal quality, regardless of acquisition and transmission conditions. Our main contribution is to evaluate the evolution of the SQIs, focusing on the spectral characteristics of ECG, as a function of the reliability of the optical transmission channel evaluated using low layer metrics such as the signal to noise ratio (SNR) and outage probability. For this purpose, we develop a transmission chain in simulation in order to evaluate the two metrics during the walking of the person using a channel model including mobility. The results show that it is possible to ensure satisfactory ECG quality even if the received optical signal is strongly affected by channel variation due to mobility.
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Dates et versions

hal-04627035 , version 1 (28-06-2024)

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Citer

Amel Chehbani, Stephanie Sahuguede, Anne Julien-Vergonjanne, Olivier Bernard. Impact of optical wireless transmission reliability on ECG signal quality. 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP 2022), Jul 2022, Porto, Portugal. pp.434-439, ⟨10.1109/csndsp54353.2022.9908044⟩. ⟨hal-04627035⟩
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