Indoor optical wireless system dedicated to healthcare application in hospital

In this paper indoor wireless Infrared (IR) technology for patient monitoring is studied. Monitoring provides a continuous and reliable vital sign measurement to secure patient staying in the hospital. As patient moving is inevitable, we focus on a mobile IR channel. We study the Line of Sight propagation with an OOK modulation system. A model of mobile channel is developed through the study of statistical distributions of the indoor distance between transmitter and receiver. We consider two mobility schemes, one in 2 dimensions (2D) for a fixed transmitter height and another in 3D. From the statistical analysis, the outage probability is calculated in order to evaluate the performance for different data rates and for high quality of service before concluding on the reliability of mobile monitoring.

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