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Urinary Incontinence (UI) is a widespread medical condition that affects one person from every three or four Americans. Near-Infrared Spectroscopy (NIRS) is a non-invasive under-study method for bladder filling sensation that can enhance the life quality of UI patients by finding the optimal voiding time. However, the application of NIRS to bladder volume sensing can be quite challenging due to three major obstacles: non-adequate traversal depth of NIR wavelengths, robustness and power efficiency requirements of the application, and low power transmission rate of NIR wavelengths. This work provides a Design Space Exploration (DSE) through the effect of various design parameters on NIRS applicability for bladder volume sensing. We investigate the impact of 7 different wavelengths from 650-950 nm, 16 possible detector-source distances, and 6 different sensation depths. The results of our work can be used as a guideline through optimal design and implementation of NIRS for bladder filling sensation. |
