Reinforcement Learning-Based Adaptive Signal Quality Optimization for Wearable Health Monitoring

Authors

  • Aditya R. Chandra School of Computing, Clemson University, Clemson, SC, USA.
  • Shane Craig Department of Computer Science, University of Central Florida, Orlando, FL, USA.
  • Viktor L. Simpson Department of Computer Science and Engineering, University of Nevada, Reno, Reno, NV, USA.

Keywords:

wearable health monitoring; reinforcement learning; signal quality; adaptive optimization; edge computing; algorithmic fairness; medical AI governance

Abstract

Wearable health monitoring systems increasingly operate as distributed, data-intensive infrastructures that support continuous physiological surveillance outside clinical environments. However, the quality of signals acquired by wearable devices remains highly dynamic because of motion artifacts, sensor displacement, environmental variability, and anatomical differences. This paper examines the use of reinforcement learning as a system-level mechanism for adaptive signal quality optimization in wearable health monitoring. Rather than treating signal conditioning as a static signal processing problem, the paper develops an infrastructure-oriented perspective that integrates sensor hardware, embedded computing, communication networks, cloud services, and governance arrangements. Reinforcement learning offers a principled approach to sequential decision making under uncertainty, enabling wearable platforms to learn context-dependent adjustments to sensing parameters, filtering strategies, and data transfer policies. The discussion addresses architectural trade-offs between edge autonomy and centralized orchestration, the challenges of training adaptive agents without compromising patient safety, and the implications of deploying learning systems across heterogeneous populations. Data governance, privacy, fairness, energy sustainability, and regulatory accountability are analyzed as constitutive elements of a responsible adaptive monitoring infrastructure. The paper further situates reinforcement learning within broader developments in artificial intelligence, edge computing, and digital twin modeling. It concludes that adaptive signal quality optimization should be understood not merely as a technical enhancement but as a socio-technical design problem that requires coordinated attention to robustness, explainability, equity, and regulatory maturity.

References

1. Piwek, L., Ellis, D. A., Andrews, S., & Joinson, A. (2016). The rise of consumer health wearables: Promises and barriers. PLoS Medicine, 13(2), e1001953. https://doi.org/10.1371/journal.pmed.1001953

2. Guk, K., Han, G., Lim, J., Jeong, K., Kang, T., Lim, E.-K., & Jung, J. (2019). Evolution of wearable devices with real-time disease monitoring for personalized healthcare. Nanomaterials, 9(6), 813. https://doi.org/10.3390/nano9060813

3. Majumder, S., Mondal, T., & Deen, M. J. (2017). Wearable sensors for remote health monitoring. Sensors, 17(1), 130. https://doi.org/10.3390/s17010130

4. Khan, Y., Ostfeld, A. E., Lochner, C. M., Pierre, A., & Arias, A. C. (2016). Monitoring of vital signs with flexible and wearable medical devices. Advanced Materials, 28(22), 4373-4395. https://doi.org/10.1002/adma.201504366

5. Orphanidou, C., Bonnici, T., Charlton, P., Clifton, D., Vallance, D., & Tarassenko, L. (2015). Signal quality indices for the electrocardiogram and photoplethysmogram: Derivation and applications. IEEE Journal of Biomedical and Health Informatics, 19(3), 832-838. https://doi.org/10.1109/JBHI.2014.2338351

6. Zhang, Z., Pi, Z., & Liu, B. (2015). TROIKA: A general framework for heart rate monitoring using wrist-type photoplethysmographic signals during intensive physical exercise. IEEE Transactions on Biomedical Engineering, 62(2), 522-531. https://doi.org/10.1109/TBME.2014.2359372

7. Elgendi, M. (2012). On the analysis of fingertip photoplethysmogram signals. Current Cardiology Reviews, 8(1), 14-25. https://doi.org/10.2174/157340312801215782

8. Sutton, R. S., & Barto, A. G. (2018). Reinforcement learning: An introduction (2nd ed.). MIT Press.

9. Mnih, V., Kavukcuoglu, K., Silver, D., Rusu, A. A., Veness, J., Bellemare, M. G., Graves, A., Riedmiller, M., Fidjeland, A. K., Ostrovski, G., Petersen, S., Beattie, C., Sadik, A., Antonoglou, I., King, H., Kumaran, D., Wierstra, D., Legg, S., & Hassabis, D. (2015). Human-level control through deep reinforcement learning. Nature, 518(7540), 529-533. https://doi.org/10.1038/nature14236

10. Luong, N. C., Hoang, D. T., Gong, S., Niyato, D., Wang, P., Liang, Y.-C., & Kim, D. I. (2019). Applications of deep reinforcement learning in communications and networking: A survey. IEEE Communications Surveys & Tutorials, 21(4), 3133-3174. https://doi.org/10.1109/COMST.2019.2916583

11. Levine, S., Finn, C., Darrell, T., & Abbeel, P. (2016). End-to-end training of deep visuomotor policies. Journal of Machine Learning Research, 17(1), 1334-1373.

12. Zheng, X., Hu, S., Dwyer, V., Barrett, L., & Derakhshani, M. (2026). Joint attention mechanism learning to facilitate opto-physiological monitoring during physical activity. Biomedical Signal Processing and Control, 113, 108949.

13. McMahan, H. B., Moore, E., Ramage, D., Hampson, S., & y Arcas, B. A. (2017). Communication-efficient learning of deep networks from decentralized data. Proceedings of the 20th International Conference on Artificial Intelligence and Statistics, 54, 1273-1282.

14. Li, T., Sahu, A. K., Talwalkar, A., & Smith, V. (2020). Federated learning: Challenges, methods, and future directions. IEEE Signal Processing Magazine, 37(3), 50-60. https://doi.org/10.1109/MSP.2020.2975749

15. Mehrabi, N., Morstatter, F., Saxena, N., Lerman, K., & Galstyan, A. (2021). A survey on bias and fairness in machine learning. ACM Computing Surveys, 54(6), Article 115, 1-35. https://doi.org/10.1145/3457607

16. Barocas, S., Hardt, M., & Narayanan, A. (2019). Fairness and machine learning. Retrieved from https://fairmlbook.org/

17. Rudin, C. (2019). Stop explaining black box machine learning models for high stakes decisions and use interpretable models instead. Nature Machine Intelligence, 1(5), 206-215. https://doi.org/10.1038/s42256-019-0048-x

18. Amann, J., Blasimme, A., Vayena, E., Frey, D., & Madai, V. I. (2020). Explainability for artificial intelligence in healthcare: A multidisciplinary perspective. BMC Medical Informatics and Decision Making, 20(1), 310. https://doi.org/10.1186/s12911-020-01332-6

19. Shi, W., Cao, J., Zhang, Q., Li, Y., & Xu, L. (2016). Edge computing: Vision and challenges. IEEE Internet of Things Journal, 3(5), 637-646. https://doi.org/10.1109/JIOT.2016.2579198

20. Fuller, A., Fan, Z., Day, C., & Barlow, C. (2020). Digital twin: Enabling technologies, challenges and open research. IEEE Access, 8, 108952-108971. https://doi.org/10.1109/ACCESS.2020.2998358

21. U.S. Food and Drug Administration. (2021). Artificial intelligence/machine learning based software as a medical device: Action plan. U.S. Department of Health and Human Services.

22. European Parliament and Council of the European Union. (2016). Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data. Official Journal of the European Union, L119, 1-88.

23. Silver, D., Huang, A., Maddison, C. J., Guez, A., Sifre, L., van den Driessche, G., Schrittwieser, J., Antonoglou, I., Panneershelvam, V., Lanctot, M., Dieleman, S., Grewe, D., Nham, J., Kalchbrenner, N., Sutskever, I., Lillicrap, T., Leach, M., Kavukcuoglu, K., Graepel, T., & Hassabis, D. (2016). Mastering the game of Go with deep neural networks and tree search. Nature, 529(7587), 484-489. https://doi.org/10.1038/nature16961

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Published

2026-09-06

How to Cite

Aditya R. Chandra, Shane Craig, & Viktor L. Simpson. (2026). Reinforcement Learning-Based Adaptive Signal Quality Optimization for Wearable Health Monitoring. International Journal of Clinical and Translational Medicine, 1(1). Retrieved from https://ijctmed.org/index.php/home/article/view/211