Tan, X., & Hakala, I. (2023). StateOS : A Memory-Efficient Hybrid Operating System for IoT Devices. IEEE Internet of Things Journal, 10(11), 9523-9533. https://doi.org/10.1109/jiot.2023.3234106

Luomala, J., & Hakala, I. (2022). Adaptive range-based localization algorithm based on trilateration and reference node selection for outdoor wireless sensor networks. Computer Networks, 210, Article 108865. https://doi.org/10.1016/j.comnet.2022.108865

Flores-Martin, D., Mäkitalo, N., Berrocal, J., García-Alonso, J., Mikkonen, T., Murillo, J. (2021). Layered interoperability for collaborative iot applications. Advances in Information and Communication: Proceedings of the 2021 Future of Information and Communication Conference (FICC), Volume 1. (pp. 192-211). Springer.

Hakala, I., & Tan, X. (2020). A Statecharts-Based Approach for WSN Application Development. Journal of Sensor and Actuator Networks, 9(4), Article 45. https://doi.org/10.3390/jsan9040045

Jansson, J., & Hakala, I. (2020). Managing sensor data streams in a smart home application. International Journal of Sensor Networks, 32(4), 247-258. https://doi.org/10.1504/IJSNET.2020.106603

Klemets, J., Määttälä, J., & Hakala, I. (2019). Integration of an in-home monitoring system into home care nurses’ workflow : A case study. International Journal of Medical Informatics, 123, 29-36. https://doi.org/10.1016/j.ijmedinf.2018.12.006

Hakala, I., & Luomala, J. (2017). Peer-to-peer cooperative GNSS-based localization for stationary reference nodes in wireless sensor networks. In Proceedings of 2017 International Conference on Localization and GNSS (ICL-GNSS) (pp. 1-6). IEEE. International Conference on Localization and GNSS. https://doi.org/10.1109/ICL-GNSS.2017.8376241

Klemets, J., Määttälä, J., Jansson, J., & Hakala, I. (2017). Nurses' Perspectives on In-Home Monitoring of Elderlies's Motion Pattern. In R. Randell, R. Cornet, C. McCowan, N. Peek, & P. J. Scott (Eds.), Informatics for Health: Connected Citizen-Led Wellness and Population Health (pp. 23-27). IOS Press. Studies in Health Technology and Informatics, 235. https://doi.org/10.3233/978-1-61499-753-5-23

Kivelä, I., & Hakala, I. (2015). Area-based environmental noise measurements with a wireless sensor network. In C. Glorieux (Ed.), Euronoise 2015 : 10th European Congress and Exposition on Noise Control Engineering (pp. 2351-2356). European Acoustic Association. Proceedings : European Conference on Noise Control. https://www.conforg.fr/euronoise2015/proceedings/data/articles/000478.pdf

Luomala, J., & Hakala, I. (2015). Effects of Temperature and Humidity on Radio Signal Strength in Outdoor Wireless Sensor Networks. In M. Ganzha, L. Maciaszek, & M. Paprzycki (Eds.), Proceedings of the 2015 Federated Conference on Computer Science and Information Systems (pp. 1247-1255). IEEE. Annals of Computer Science and Information Systems, 5. https://doi.org/10.15439/2015F241

Miranda, J., Mäkitalo, N., Garcia-Alonso, J., Berrocal, J., Mikkonen, T., Canal, C., Murillo, J. (2015). From the Internet of Things to the Internet of People. IEEE Internet Computing. Vol.19 (pp. 40-47). IEEE.

Hongell, T., Kivelä, I., & Hakala, I. (2014). Wireless Strain Gauge Network : Best-Hall Measurement Case. In W. Seah, S. Maag, & J. Gubbi (Eds.), Proceedings of IEEE ISSNIP 2014 : IEEE Ninth International Conference on Intelligent Sensors, Sensor Networks and Information Processing (pp. 1-6). IEEE. https://doi.org/10.1109/ISSNIP.2014.6827665

Hongell, T., & Hakala, I. (2013). CiNetStrain-Wireless Strain Gauge Network-calibration and Reliability Measurements. In J. Zheng, N. Mitton, J. Li, & P. Lorenz (Eds.), Ad Hoc Networks 2012 (pp. 275-288). Springer. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 111. https://doi.org/10.1007/978-3-642-36958-2_19

Gao, C., & Hakala, I. (2012). Road Traffic Detection Using Wireless Noise Sensors. In IEEE ICC 2012 Conference Proceedings (pp. 767-771). IEEE Communications Society. IEEE International Conference on Communications. https://doi.org/10.1109/icc.2012.6364270

Gao, C., Kivelä, I., Tan, X., & Hakala, I. (2012). A transmission Scheduling for Data-Gathering Wireless Sensor Networks. In B. O. Apduhan, C.-H. Hsu, T. Dohi, K. Ishida, L. T. Yang, & J. Ma (Eds.), The proceedings of the 9th International Conference on Ubiquitous Intelligence and Computing and 9th International Conference on Autonomic and Trusted Computing (pp. 292-297). IEEE. https://doi.org/10.1109/UIC-ATC.2012.48

Hakala, I., & Hongell, T. (2012). Neighbourtables-A Cross-layer Solution for Wireless CiNet Network Analysis and Diagnostics. Sensors & Transducers, 14-2(special issue), 228-241. http://www.sensorsportal.com/HTML/DIGEST/march_2012/SENSORCOMM/P_SI_211.pdf

Luomala, J., & Hakala, I. (2012). Towards Adaptive Localization in Wireless Sensor Networks. In R. Chen, & H. Kuusniemi (Eds.), The proceedings of the 2nd International Conference and Exhibition on Ubiquitous Positioning, Indoor Navigation, and Location Based Service. IEEE. https://doi.org/10.1109/upinlbs.2012.6409778

Hakala, I., & Hongell, T. (2011). Wireless CiNet Network Analysis and Diagnostics Using Neighbourtables. In J. M. Hovem, J. Ellul, L. Gomez, & Y. Reddy (Eds.), Proceeding of the fifth international conference on sensor technologies and applications (pp. 110-115). Xpert Publishing Services. http://www.thinkmind.org/index.php?view=article&articleid=sensorcomm_2011_4_40_10200

Kivelä, I., Gao, C., Luomala, J., & Hakala, I. (2011). Design of noise measurement sensor network: networking and communication part. In J. M. Hovem, J. Ellul, L. Gomez, & Y. Reddy (Eds.), Proceeding of the fifth international conference on sensor technologies and applications (pp. 280-287). Xpert Publishing Services.

Kivelä, I., Gao, C., Luomala, J., Ihalainen, J., & Hakala, I. (2011). Design of Networked Low-Cost Wireless Noise Measurement Sensor. Sensors & Transducers journal, Vol. 10, 171-190. http://www.sensorsportal.com/HTML/DIGEST/Special_Issue_Feb_2011.htm

Hakala, I., Hongell, T., & Luomala, J. (2010). CiNetView - Graphic Interface forWireless Sensor Network Deployment and Monitoring. In The Fourth International Conference on Sensor Technologies and Applications (pp. 395-401). https://doi.org/10.1109/sensorcomm.2010.65

Hakala, I., Ihalainen, J., Kivelä, I., & Tikkakoski, M. (2010). Evaluation of Environmental Wireless Sensor Network - Case Foxhouse. International Journal on Advances in Networks and Services, 3 (2010)(1-2). http://www.iariajournals.org/networks_and_services/index.html

Hakala, I., Kivelä, I., Ihalainen, J., Luomala, J., & Gao, C. (2010). Design of Low-Cost Noise Measurement Sensor Network: Sensor Function Design. In The First International Conference on Sensor Device Technologies and Applications (pp. 172-179). https://doi.org/10.1109/sensordevices.2010.39

Hakala, I., Tikkakoski, M., & Kivelä, I. (2008). Wireless sensor network in environmental monitoring-case foxhouse. In Proceedings of the second international conference on sensor technologies and applications. https://doi.org/10.1109/sensorcomm.2008.27

Borg, F., Finell, M., Hakala, I., & Herrala, M. (2007). Analyzing gastrocnemius EMG-activity and sway data from quiet and perturbed standing. Journal of electromyography and kinesiology, 17(4), 622-634. https://doi.org/10.1016/j.jelekin.2006.06.004

Tervonen, J., Sorvoja, V., Tikkakoski, M., Hakala, I., Weckström, P., Bialowas, M., Malinen, H. & Turpeenoja, M. (2006). Control system utilising wireless communication and GPS position for a direct seeding drill. Icma 2006 Conference Proceedings.

Hakala, I., & Tikkakoski, M. (2006). From vertical to horizontal architecture - a cross-layer implementation in a sensor netwrk node. In Proceedings of the First Intersense conference in Integrated Internet Ad hoc and Sensor Networks.