LoRa mesh networks for the IoT (ASSET)
Funded by the Spanish State Research Agency (PDC2023-145809-I00 / AEI / 10.13039/501100011033), the Recovery and Resilience Mechanism of the European Union, and by the European Union – NextGenerationEU.
January 2024 – December 2025

[ Objectives | Methodology | People | Achievements ]

• Prototype development: Add functionality and services to the LoRaMesher software to support challenging distributed applications.

• Demonstrator development: Provide a Web-accessible demonstrator.

• Early adopter customization: Work with our early adopters, build new partnerships, and open new application opportunities

• Innovation management: Manage the innovation outcoming from the project through dissemination, exploitation, and standardization activities.

Development to increase the capacities and TRL of the LoRaMesher library and for supporting challenging distributed applications. Deployments of LoRa mesh networks to demonstrate their operation and applications.

Roger Baig, Llorenç Cerdà-Alabern, Felix Freitag, Roc Meseguer

• The Effects of Weight Quantization on Online Federated Learning for the IoT: A Case Study,
  by N. Llisterri Gimenez, Lee, J. K., Freitag, F., and Vandierendonck, H. IEEE Access, vol. 12, pp. 5490-5502, 2024. (open access). (Video).

• Demonstrator LoRaMesh Network Monitor operational at Campus Nord (UPC), code in open git repository (caption)

• LoRaMesher showcased by CIT UPC within UPC projects at IoTSolutions World Congress 2024 (21-23/05/2024).

• Presentation “LoRaMesher: Advanced IoT services for LoRa Mesh networks”, at Alianzas Estratégicas entre Universidad y Empresa: Tecnología y Talento para la innovación, in the program of the side event of IoTSolutions World Congress 2024, 21/05/2024.

• LoRaMesher project was awarded the Finalist Prize in V Jornada UPC de Ciència Oberta, 21/06/2024.

• The LoRaMesher project in the spotlight in LinkedIn IEEE Future Networks for the 2024 IEEE Connecting the Unconnected Challenge.

• A minimalistic distance-vector routing protocol for LoRa mesh networks, by R. Pueyo Centelles, R. Meseguer, F. Freitag, R. Baig and L. Navarro, IEEE Access, doi: 10.1109/ACCESS.2024.3443605, 2024. (open access).

• eXO: A commons-based community network Internet Service Provider, description and subscribers usage patterns,
  by R. Baig, Cerdà-Alabern, L., Vílchez, P., and Foglia, E. Computer Networks, vol. 254, p. 110765, 2024. (open access)

• Demo: Edge Federated Learning over a LoRa Mesh Network by Nil Llisteri Giménez, Felix Freitag, Leandro Navarro, Mennan Selimi. In The Ninth ACM/IEEE Symposium on Edge Computing (SEC), Rome, Italy, December 4-7, 2024. (Paper). (Video).

• Demo: Digital Product Passport for Circular ICT Products by Felix Freitag and Leandro Navarro. In ITU-ETSI Symposium on ICT Sustainability: Standards Driving Environmental Innovation, Geneva, Switzerland. December 11-12, 2024. (Demo).(Event).

• Presentation “Digital Product Passport for the Environmental Sustainability and Circularity of ICT Goods: Standards and Opportunities” in Session 7: Digital Product Passport: Navigating Environmental Transparency in ICTs of ITU-ETSI Symposium on ICT Sustainability: Standards Driving Environmental Innovation, Geneva, Switzerland. December 11-12, 2024. (Presentation)

• Presentation “LoRaMesher library for LoRa mesh networks by Felix Freitag and Joan Miquel Solé at FOSDEM 2025 Lightning Talks, Brussels, Belgium. February 1-2, 2025. (Presentation)

• Presentation “Federated machine learning en nodos IoT by Nil Llisteri Giménez and Felix Freitag at Conference IA de Km.0 from Conference Series: from digital footprint to sustainable Artificial Intelligence at Canòdrom, Barcelona. February 19, 2025. (Event) (Social Media)(Presentation)

• Presentation “LoRaMesher library for LoRa mesh networks” by Felix Freitag at IETF 122, GAIA IRTF WG, Bangkok, Thailand. March 13-22, 2025. (Session material)

• Some of the LoRaMesher enhancements: Added support for compiling in Expressif framework only to enable Bluetooth and Wifi support concurrently. Testing specific issues reported from user feedback. Extended parameter selection and configuration of routing protocol. BMX routing protocol. Support in LoRaMesher for T-Beam v1.2 boards. Support for Hacking Ecology Nayad board.

• We created the LoRaMesher Discord server for the community.

• Long distance link added to LoRaMesh Network Monitor demonstrator.

• We hit 200 stars on GitHub and reached 50 members on Discord! (June 26, 2025)

• A system for monitoring and querying LoRa mesh network nodes, by J. Griffiths , J.Miquel Solé, F. Freitag, L. Navarro, M. Selimi, in International Workshop on Sensing, Algorithms, and Intelligent Applications (SAIA-2025), in conjunction with IEEE ISCC 2025, July 2-5, 2025, Bologna. (pdf)

• Middleware for Distributed Applications in a LoRa Mesh Network, by J. Miquel Solé, R. Pueyo Centelles, F. Freitag, R. Meseguer, R. Baig. ACM Transactions on Embedded Computing Systems, Volume 24, Issue 4, Article No.: 60, Pages 1 - 26. https://doi.org/10.1145/3747295

• Demonstration of concurrent application provision with LoRaMesher, by J. Miquel Solé, F. Freitag, L. Navarro and Mennan Selimi, at The Experiment@ International Conference 2025 (expat’25), Portugal. (pdf)(jpg).

• A two-board design for interconnected intelligence in tiny IoT, by N. Llisterri Giménez, F. Freitag, L. Navarro and Mennan Selimi, at The Experiment@ International Conference 2025 (expat’25), Portugal. (pdf)

• Participation in the From Science to the Market (De la Ciència al Mercat), a program with the objective is to promote technology and knowledge transfer from university to society.

• Contribution of two new work items to ITU-T SG20/Q5: ITU-T Y.DPP-ICT “Requirements and System Architecture of Digital Product Passport for ICT Goods” and ITU-T YSTR.OS-DPP-ICT "A case study of an open-source Digital Product Passport system for ICT good use case", at SG20 meeting, Geneva, 15–25 September 2025.

• LoRaChat respository updated.

• M. Roura Salietti: “Reuse of ICT devices as commons: A property rights governance model for collective access”, PhD thesis. Universitat Politècnica de Catalunya (UPC), Barcelona, 10/2025. Doctoral Program in Sustainability. Advisors: Leandro Navarro Moldes, Roc Meseguer Pallarès.

• Presentation of the new Synchronized_LoRaMesher on Discord (December 2025).

• Presentation “LoRaMesher - Xarxes Mesh d’Empresa a l’Abast de Tothom” in the DEMO DAY of From Science to the Market. 11 December 2025.

• Large and reliable data transfer service for LoRa mesh network applications, by J. Miquel Solé, R. Pueyo Centelles, F. Freitag, R. Meseguer, R. Baig. accepted for publication in Elsevier Computer Communications Journal. December 2025. (pdf submitted to publisher)

The work is part of the project PDC2023-145809-I00, funded by MICIU/AEI/10.13039/501100011033 and by the European Union NextGenerationEU/PRTR.