About me


Dr Atis Elsts is a Research Associate with the University of Bristol, UK, and a core member of the SPHERE interdisciplinary research collaboration (IRC). His research interest center around wireless sensor networks and the Internet of Things: protocols, systems, and software engineering. In the SPHERE IRC, Atis is the main developer of the embedded software that is running in the low-power sensor network and responsible for sensor data collection and forwarding using the 6LoWPAN networking stack. Atis is also a contributor and a maintainer of the Contiki-NG operating system for the Internet of Things, and a member of IEEE.

Software and datasets

See GitHub for more.

Highlights of recent publications

On smart homes for healthcare: feature extraction on wearables for daily activity recognition, IoT for smart homes in the context of SPHERE 100-home deployment.

On the Time Slotted Channel Hopping (TSCH) network protocol: TSCH for Contiki, channel selection, scheduling, simulation, the TSCH implementation on CC2650, and time synchronization using TSCH (1) (2).

Highlights of previous research positions

  • Researcher at SICS Swedish ICT (now RISE SICS), 2015. Atis was a member of the Networked Embedded Systems Group and participated in implementing the IEEE 802.15.4 TSCH protocol in the Contiki operating system.

  • Researcher at Uppsala University, 2014-2015. Atis was involved in the ProFuN project (A Programming Platform for Future Wireless Sensor Networks), where his contribution was the ProFuN TG, a tool for developing and managing sensor network applications that are aware of performance requirements.

  • Research assistant at Institute of Electronics and Computer Science (IECS or EDI, Riga, Latvia), 2010-2013, and PhD student at University of Latvia. Atis' PhD thesis describes a software framework designed to facilitate wireless sensor network programming.


Journal papers

  1. X. Fafoutis, A. Elsts, R. Piechocki and I. Craddock. Experiences and Lessons Learned from Making IoT Sensing Platforms for Large-Scale Deployments, IEEE Access, 2018.

  2. A. Elsts, X. Fafoutis, S. Duquennoy, G. Oikonomou, R. Piechocki and I. Craddock. Temperature-Resilient Time Synchronization for the Internet of Things, IEEE Transactions on Industrial Informatics (Impact Factor: 6.7), 2018. [PDF]

  3. X. Fafoutis, A. Vafeas, B. Janko, R. S. Sherratt, J. Pope, A. Elsts, E. Mellios, G. Hilton, G. Oikonomou, R. Piechocki and I. Craddock. Designing Wearable Sensing Platforms for Healthcare in a Residential Environment. EAI Endorsed Transactions on Pervasive Health and Technology, 17(12), 2017. [PDF]

  4. A. Elsts, A. Pentjuss and E. Stalidzans, SpaceScanner: COPASI wrapper for automated management of global stochastic optimisation experiments, Bioinformatics (Impact Factor: 7.307), Oxford University Press, 2017, DOI: http://doi.org/10.1093/bioinformatics/btx363

  5. V. Komasilovs, A. Pentjuss, A. Elsts and E. Stalidzans, Total enzyme activity constraint and homeostatic constraint impact on the optimization potential of a kinetic model, Biosystems, Elsevier, 2017, DOI: https://doi.org/10.1016/j.biosystems.2017.09.016

  6. A. Elsts, A. Mednis and L. Selavo. Bayesian Network Approach to Vehicle Mode Monitoring Using Embedded System with 3-axis Accelerometer, International Journal of Imaging & Robotics (ISSN 2231-525X), Vol 13(1), 2014.

  7. G. Strazdins, A. Elsts, K. Nesenbergs and L. Selavo. Wireless sensor network operating system design rules based on real-world deployment survey, Journal of Sensor and Actuator Networks, Vol 2(3), pp. 509-556, 2013.


Conference and workshop papers

  1. A. Vafeas, A. Elsts, J. Pope, X. Fafoutis, G. Oikonomou, R. Piechocki and I. Craddock. Energy-Efficient, Noninvasive Water Flow Sensor. In Proceedings of 4th IEEE International Conference on Smart Computing (SMARTCOMP), Taormina, Italy, June 2018.

  2. J. Pope, A. Vafeas, A. Elsts, G. Oikonomou, R. Piechocki, I. Craddock. An Accelerometer Lossless Compression Algorithm and Energy Analysis for IoT Devices, IoT-Health 2018, IEEE Wireless Communications and Networking Conference Workshops (WCNCW).

  3. A. Elsts, R. McConville, X. Fafoutis, N. Twomey, R. Piechocki, R. Santos-Rodriguez and I. Craddock. On-Board Feature Extraction from Acceleration Data for Activity Recognition, EWSN 2018. [PDF]

  4. X. Fafoutis, A. Elsts, G. Oikonomou, R. Piechocki and I. Craddock. Adaptive Static Scheduling in IEEE 802.15.4 TSCH Networks, 2018 IEEE 4th World Forum on Internet of Things (WF-IoT).

  5. X. Fafoutis, L. Marchegiani, A. Elsts, J. Pope, R. Piechocki and I. Craddock. Extending the Battery Lifetime of Wearable Sensors with Embedded Machine Learning, 2018 IEEE 4th World Forum on Internet of Things (WF-IoT).

  6. A. Elsts, G. Oikonomou, X. Fafoutis and R. Piechocki. Internet of Things for Smart Homes: Lessons Learned from the SPHERE Case Study, 1st Global Internet of Things Summit, 2017. [PDF]

  7. A. Elsts, X. Fafoutis, G. Oikonomou and R. Piechocki. Adaptive Channel Selection in IEEE 802.15.4 TSCH Networks, 1st Global Internet of Things Summit, 2017. [PDF]

  8. S. Duquennoy, A. Elsts, B. Al Nahas, G. Oikonomou. TSCH and 6TiSCH for Contiki: Challenges, Design and Evaluation, DCOSS, 2017. [PDF]

  9. A. Elsts, X. Fafoutis, J. Pope, G. Oikonomou, R. Piechocki and I. Craddock. Scheduling High-Rate Unpredictable Traffic in IEEE 802.15.4 TSCH Networks, DCOSS, 2017. [PDF]

  10. A. Elsts, S. Duquennoy, X. Fafoutis, G. Oikonomou, R. Piechocki and I. Craddock, Microsecond-Accuracy Time Synchronization Using the IEEE 802.15.4 TSCH Protocol, IEEE LCN 2016. [PDF]

  11. A. Elsts. Source-Node Selection to Increase the Reliability of Sensor Networks for Building Automation. EWSN 2016. [PDF] [presentation]

  12. A. Elsts, Farshid Hassani Bijarbooneh, Martin Jacobsson, and Konstantinos Sagonas, ProFuN TG: A Tool for Programming and Managing Performance-Aware Sensor Network Applications. IEEE SenseApp, 2015. [PDF]

  13. A. Elsts, Hjalmar Wennerstrom, and Christian Rohner. IEEE 802.15.4 Channel Diversity in an Outdoor Environment. RealWSN, 2015. [PDF]

  14. A. Elsts, Farshid Hassani Bijarbooneh, Martin Jacobsson, and Konstantinos Sagonas, Enabling Design of Performance-Controlled Sensor Network Applications Through Task Allocation and Reallocation. In proceedings of DCOSS 2015 (presented in the IEEE 7th International Workshop on Performance Control in Wireless Sensor Networks). [PDF]

  15. A. Elsts and L. Selavo, Improving the Usability of Wireless Sensor Network Operating Systems, 2013 Federated Conference on Computer Science and Information Systems (FedCSIS). [PDF]

  16. A. Elsts, J. Judvaitis, L. Selavo, SEAL: A Domain-Specific Language for Novice Wireless Sensor Network Programmers, 39th Euromicro Conference on Software Engineering and Advanced Applications (SEAA 2013), Santander, Spain, September 4-6, 2013, pp. 220-227. [PDF]

  17. A. Elsts and L. Selavo, A User-Centric Approach to Wireless Sensor Network Programming Languages, Proceedings of Third International Workshop on Software Engineering for Sensor Network Applications (SESENA12), Zurich, Switzerland, pp. 29-30, June 2, 2012. [PDF]

  18. A. Mednis, A. Elsts, and L. Selavo. Embedded Solution for Road Condition Monitoring Using Vehicular Sensor Networks, in Proceedings of the 6th International Conference on Application of Information and Communication Technologies (AICT 2012), pp. 248-252, IEEE, 2012. [PDF]

  19. A. Elsts, R. Balass, J. Judvaitis and L. Selavo, SAD: Wireless Sensor Network System for Microclimate Monitoring in Precision Agriculture, in Proceedings of the 5-th international scientific conference Applied information and communication technologies (AICT 2012), Jelgava, Latvia, April 26-27, ISBN 978-9984-48-065-7, pp. 271-281, 2012. [PDF]

  20. A. Elsts, R. Balass, J. Judvaitis, R. Zviedris, G. Strazdins, L. Selavo and A. Mednis, SADmote: A Robust and Cost-Effective Device for Environmental Monitoring, in Proceedings of the conference on Architecture of Computing Systems (ARCS 2012), pp. 225-237, Springer-Verlag Berlin Heidelberg 2012. [PDF]


Book chapters

  1. P. Woznowski, A. Burrows, T. Diethe, X. Fafoutis, J. Hall, S. Hannuna, M. Camplani, N. Twomey, M. Kozlowski, B. Tan, N. Zhu, A. Elsts, A. Vafeas, A. Paiement, L. Tao, M. Mirmehdi, T. Burghardt, D. Damen, P. Flach, R. Piechocki, I. Craddock and G. Oikonomou. SPHERE: A Sensor Platform for Healthcare in a Residential Environment. In Designing, Developing, and Facilitating Smart Cities: Urban Design to IoT Solutions, pp 315-333, Springer, 2017.


Poster & demo abstracts, technical reports, and national-level workshop papers

  1. X. Fafoutis, A. Elsts, A. Vafeas, G. Oikonomou and R. Piechocki. Demo: SPES-2 – A Sensing Platform for Maintenance-Free Residential Monitoring, EWSN 2017. [PDF]

  2. A. Elsts, X. Fafoutis, A. Adeleke, G. Oikonomou, R. Piechocki, S. Duquennoy, A. Liñán, M. Fàbregas. Competition: Adaptive Time-Slotted Channel Hopping, EWSN 2017. [PDF]

  3. A. Mavromatis, G. Papadopoulos, X. Fafoutis, A. Elsts, G. Oikonomou and T. Tryfonas, Impact of Guard Time Length on IEEE 802.15.4e TSCH Energy Consumption. IEEE SECON 2016. [PDF]

  4. A. Elsts, Farshid Hassani Bijarbooneh, Martin Jacobsson, and Konstatinos Sagonas, ProFuN TG: Programming Sensornets with Task Graphs for Increased Reliability and Energy-Efficiency. Accepted in IEEE Local Computer Networks (LCN 2015) Demo session.

  5. A. Elsts, Optimal Task Allocation in Sensor and Actuator Networks, SNCNW'15, Karlstad, May 28-29, 2015.

  6. A. Elsts and Konstantinos Sagonas, ProFuN TG: A Tool for Programming and Managing Dependable Sensor Network Applications. Technical report, Uppsala University, 2015. [PDF]

  7. A. Elsts, Farshid Hassani Bijarbooneh, Martin Jacobsson, and Konstantinos Sagonas, Demo Abstract: ProFuN TG: A Tool Using Abstract Task Graphs to Facilitate the Development, Deployment and Maintenance of Wireless Sensor Network Applications, in the 12th European Conference on Wireless Sensor Networks (EWSN'15), Porto, Portugal, 2015.
    [Video] [PDF] [Poster]

  8. A. Elsts and E. Ngai, A Case For Node-Local Adaptations in Wireless Sensor Networks, SNCNW'14, Västerås, June 2-3, 2014.
    Poster: [PDF]

  9. J. Judvaitis, A. Elsts, L. Selavo, Demo Abstract: SEAL-Blockly: Sensor Network Visual Programming Using a Web Browser, 10th European Conference on Wireless Sensor Networks (EWSN 2013), Poster and Demo Proceedings, Ghent, Belgium, 2013.
    Poster abstract: [PDF]
    Poster: [PDF]

  10. A. Elsts, J. Judvaitis, L. Selavo, Poster Abstract: SEAL: An Easy-to-use Sensor Node Application Development System, 9th European Conference on Wireless Sensor Networks (EWSN 2012), Poster and Demo Proceedings, pp. 31-32, Trento, Italy, 2012.
    Poster abstract: [PDF]
    Poster: [JPG]

  11. A. Elsts, G. Strazdins, A. Vihrov, and L. Selavo, Design and Implementation of MansOS: a Wireless Sensor Network Operating System, Scientific Papers, University of Latvia, Vol. 787, pp. 79-105, 2012. [PDF]

  12. G. Strazdins, A. Elsts, and L. Selavo, MansOS: easy to use, portable and resource efficient operating system for networked embedded devices (poster abstract). In Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems (SenSys’10), ACM, pp. 427-428, 2010. [PDF]
    Poster: [PDF]

  13. R. Zviedris, A. Elsts, G. Strazdins, A. Mednis and L. Selavo, LynxNet: Wild Animal Monitoring Using Sensor Networks (poster abstract). In Lecture Notes in Computer Science, 2010, Vol. 6511, Real-World Wireless Sensor Networks (REALWSN’10), Pages 170-173, 2010, Springer. [PDF]

Ph.D. thesis

  • A Framework to Facilitate Wireless Sensor Network Application Development, 2013, University of Latvia. [PDF]

Academic services


  • Teaching assistant, Linux System Programming, University of Latvia, Fall 2011, 2012, and 2013
  • TA, Sociotechnical Systems Engineering project course in IT (a project developing a smart city IS), Uppsala University, Spring 2015
  • TA, Computer Networks III project course (a project developing bike parking detectors), Uppsala University, Spring 2015
  • Undergraduate thesis supervision for 3 students on wireless sensor network topics.
  • Master thesis supervision for 1 student on wireless sensor network communications.
  • Master thesis review (i.e. de facto partial supervision in the Swedish system) for 2 students.
  • Internship supervision for multiple students at the University of Bristol and IECS.

Reviews, journals

Also see my Publons profile.

Reviews, conferences

Contact information

  • Bristol University
  • Department of Electrical and Electronic Engineering
  • Merchant Venturers' Building
  • Woodland Road


atis.elsts at bristol dot ac dot uk, atis.elsts at gmail dot com