Publications, conferences, projects and technology transfer

Publications 

[17] M. A. Alsultan, S. López-Soriano and J. Melià-Seguí, "Multi-Textile and Multi-Band UHF RFID Antenna-Based Sensor for Noninvasive eHealth Hydration Monitoring," in IEEE Sensors Journal, doi: 10.1109/JSEN.2025.3546431.

[16] S. López-Soriano, P. Brunet, M. Alsultan and J. Meliá-Seguí, "Remote Identification of Liquids Using Absorbent Materials: a Passive UHF RFID-Based Method," in IEEE Sensors Journal, doi: 10.1109/JSEN.2024.3524909.

[15] S. López-Soriano, J. Parrón-Granados and J. Melià-Seguí, "Passive Sensing for the Internet of Medical Things: A Low-Cost Battery-Less Wearable Sweat Rate Sensor," in IEEE Internet of Things Journal, doi: 10.1109/JIOT.2024.3514298. 

[14] S. López-Soriano, X. Vilajosana and J. Melià-Seguí, "A Battery-Less and Low-Cost RFID Sensor for Unassisted Multilevel Detection of Sweat Loss," in IEEE Sensors Journal, vol. 24, no. 24, pp. 42028-42037, 15 Dec.15, 2024, doi: 10.1109/JSEN.2024.3485592.

[13] S. López-Soriano, J. Melià-Seguí and J. P. Granados, "UHF RFID Wristbands: A Long-Range, Durable, Flexible, and Low-Cost Tag Antenna Design," in IEEE Journal of Radio Frequency Identification, vol. 8, pp. 125-133, 2024, doi: 10.1109/JRFID.2024.3365796. 

[12] S. Lopez-Soriano, "“Plug-and-Play” Inventory Robots: Autonomous Itinerary Planning Through Autonomous Waypoint Generation," in IEEE Internet of Things Journal, vol. 11, no. 1, pp. 1711-1718, 1 Jan.1, 2024, doi: 10.1109/JIOT.2023.3290395.

[11] J. Melià-Seguí, R. Bhattacharyya, S. López-Soriano, X. Vilajosana and S. E. Sarma, "Low-cost RFID-based Sensor Integrated in Textile for Non-Invasive Pervasive Hydration Monitoring," in IEEE Sensors Journal, doi: 10.1109/JSEN.2023.3339117.

[10] S. López-Soriano and R. Pous, "Inventory Robots: Performance Evaluation of an RFID-Based Navigation Strategy," in IEEE Sensors Journal, vol. 23, no. 14, pp. 16210-16218, 15 July15, 2023, doi: 10.1109/JSEN.2023.3278743.

[9] B. Gastón, V. Casamayor-Pujol, S. López-Soriano and R. Pous, "A Metric for Assessing, Comparing, and Predicting the Performance of Autonomous RFID-Based Inventory Robots for Retail," in IEEE Transactions on Industrial Electronics, vol. 69, no. 10, pp. 10354-10362, Oct. 2022, doi: 10.1109/TIE.2021.3128917.

[8] Alajami, A.A., Palau, N., Lopez-Soriano, S. et al. A ROS-based distributed multi-robot localization and orientation strategy for heterogeneous robots. Intel Serv Robotics 16, 177–193 (2023). https://doi.org/10.1007/s11370-023-00457-7

[7] V. Casamayor-Pujol, B. Gastón, S. López-Soriano, A. A. Alajami and R. Pous, "A Simple Solution to Locate Groups of Items in Large Retail Stores Using an RFID Robot," in IEEE Transactions on Industrial Informatics, vol. 18, no. 2, pp. 767-775, Feb. 2022, doi: 10.1109/TII.2021.3080670.

[6] S. López-Soriano; J. Methapettyparambu Purushothama; A. Vena; E. Perret. 2022. CBRAM technology: transition from a memory cell to a programmable and non-volatile impedance for new radiofrequency applications. Sci Rep 12, 4105 (2022). https://doi.org/10.1038/s41598-022-08127-x.

[5] J. M. Purushothama, S. Lopez-Soriano, A. Vena, B. Sorli, I. Susanti and E. Perret, "Electronically Rewritable Chipless RFID Tags Fabricated Through Thermal Transfer Printing on Flexible PET Substrates," in IEEE Transactions on Antennas and Propagation, vol. 69, no. 4, pp. 1908-1921, April 2021, doi: 10.1109/TAP.2020.3030965.

[4] S. Lopez-Soriano, I. Spassovsky, J. Parrón and G. Marrocco, "A Passive Wireless Sensor Network for Temperature Mapping Inside a Shielded Coaxial Enclosure," in IEEE Journal of Radio Frequency Identification, vol. 2, no. 3, pp. 144-151, Sept. 2018, doi: 10.1109/JRFID.2018.2860049.

[3] S. Lopez-Soriano and J. Parrón, "Performance Assessment of a Novel Miniaturized RFID Tag for Inventorying and Tracking Metallic Tools," in IEEE Journal of Radio Frequency Identification, vol. 2, no. 3, pp. 127-133, Sept. 2018, doi: 10.1109/JRFID.2018.2868780. 

[2] S. Lopez-Soriano and J. Parron, "Design of a Small-Size, Low-Profile, and Low-Cost Normal-Mode Helical Antenna for UHF RFID Wristbands," in IEEE Antennas and Wireless Propagation Letters, vol. 16, pp. 2074-2077, 2017, doi: 10.1109/LAWP.2017.2696300. 

[1] S. López-Soriano and J. Parrón. (2015). Small size and low cost UHF RFID tag antenna mountable on metallic objects. International Journal of Antennas and Propagation, 2015, 1–6. doi:10.1155/2015/870478.

C.2. Conferences

[9] S. López-Soriano, A. Alcocer-Berenguer, M. A. Alsultan and J. Melià-Seguí, "Meandered Patch Antenna Design for Low-Cost Compact UHF RFID Tags," 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), Firenze, Italy, 2024, pp. 2695-2696, doi: 10.1109/AP-S/INC-USNC-URSI52054.2024.10685972.

[8] S. López-Soriano, J. Melià-Seguí and J. Parrón, "A durable and flexible, low-cost tag antenna design for UHF RFID wearable applications," 2023 IEEE 13th International Conference on RFID Technology and Applications (RFID-TA), Aveiro, Portugal, 2023, pp. 9-12, doi: 10.1109/RFID-TA58140.2023.10290440.

[7] J. M. Purushothama, S. Lopez-Soriano, A. Vena, B. Sorli and E. Perret, "Application of Additive Manufacturing Based Thermal rinting Techniques for Realization of Electronically Rewritable Chipless RFID Tags on Flexible Substrates," 2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), Rome, Italy, 2021, pp. 1-4, doi: 10.23919/URSIGASS51995.2021.9560362. 

[6] S. Lopez-Soriano and J. Parrón, "Performance Assessment of a Small UHF RFID Tag on Metallic Objects of Different Sizes," The 12th European Conference on Antennas and Propagation (EuCAP), London, 2018. 

[5] S. Lopez-Soriano, I. P. Spassovsky, J. Parron and G. Marrocco, "Electromagnetic feasibility of a passive wireless sensor network for temperature mapping inside a shielded enclosure," 2017 11th European Conference on Antennas and Propagation (EUCAP), Paris, France, 2017, pp. 1995-1998, doi: 10.23919/EuCAP.2017.7928123.

[4] S. López-Soriano and J. Parrón, "Parallel plate antenna for UHF RFID tags operating over metallic objects," 2016 10th European Conference on Antennas and Propagation (EuCAP), Davos, Switzerland, 2016, pp. 1-3, doi: 10.1109/EuCAP.2016.7481959.

[3] S. López-Soriano and J. Parrón, "Wearable RFID tag antenna for healthcare applications," 2015 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC), Turin, Italy, 2015, pp. 287-290, doi: 10.1109/APWC.2015.7300156. 

[2] S. López-Soriano and J. Parrón, "Small UHF RFID tag antenna for metallic objects," 2015 9th European Conference on Antennas and Propagation (EuCAP), Lisbon, Portugal, 2015, pp. 1-5.

[1] S. López-Soriano and J. Parrón, "Low profile UHF RFID tag for wristbands in healthcare applications," The 8th European Conference on Antennas and Propagation (EuCAP 2014), The Hague, Netherlands, 2014, pp. 874-877, doi: 10.1109/EuCAP.2014.6901901. 

Research projects 

[10] IoMT, competitive internal call, e-Health Center, Universitat Oberta de Catalunya, 2024-2025, 6,000.00 €. Principal Investigator. Developing passive sensors for e-health applications.

[9] e-sweat, competitive internal call, Universitat Oberta de Catalunya, ARI-UOC, 2023-2024, 28,000.00 €. Principal Investigator. Developing the first passive sweat rate sensor.

[8] Nuclis: SERHUMA, Agencia para la Competitividad de la Empresa (ACCIÓ) de la Generalitat de Cataluña, EMT/2447/2023, 2023/2026, UOC, 95,830.00 €. Member of the research team (PI: Joan Melià-Seguí). Designing passive sensors for soil moisture monitoring.

[7] RF-VOLUTION, PID2021-122247OB-I00, Ministerio de Ciencia e Innovación, 01-2023 / 12-2025, 76,000.00 €. Member of the research team (PI: Xavier Vilajosana Guillen). Universitat Oberta de Catalunya. Developing innovative UHF RFID antenna-based sensor designs.

[6] HydraSport, EXP_75087, Consejo Superior de Deportes,01-2023 / 12-2023, 154,006.71 €. Member of the research team (PI: Joan Melià-Seguí). Universitat Oberta de Catalunya. Writing and managing the application of the project proposal. Developing new antenna-based sensors for monitoring hydration in humans during sport activities.

[5] ROBOSHOP, Ministerio de Ciencia, Innovación y Universidades, RTC-2017-6587-7, 2019-2021, 232,578.00 €. Member of the research team (PI: Rafael Pous). Universitat Pompeu Fabra. Designing new strategies for robotic exploration and navigation based on RFID inventory information.

[4] ScattererID, 772539 – ScaterrerID, European Research Council (ERC), 2018 / 2021, 2,000,000.00 €. Member of the research team (PI: Etienne Perret). Grenoble INP. Developing new variable radiofrequency devices using programmable CBRAM cells.

[3] MC4, TEC2015-69229-R, Ministerio de Economía y Competitividad y FEDER, 2016 / 2018., 127,200.00 €. Member of the research team (PI: Pedro de Paco Sanchez). Universitat Autònoma de Barcelona. Developing innovative UHF RFID tag antenna designs for on-metal applications.

[2] ENGIFREE, TEC2012-37582-C04-01, National, Ministerio de Economía y Competitividad, 2012 – 2015, 146,000.00 €. Member of the research team (PI: O. Menéndez y J. Parrón). Universitat Autònoma de Barcelona. Designing novel antenna designs for UHF RFID tags.

[1] LoLiPEM: Long life proton exchange membrane fuel cells. Grant agreement ID: 245339. 1,360,227.00 €. Student member of the work team (PI: Lourdes Vega). MATGAS. Designing two modules for a test bench for hydrogen fuel.

Contracts, technological or transfer merits

Asesoramiento para realizar medidas con dispositivos de RFID. Myruns Engineering Sports, S.L. Sergio López Soriano. Universitat Oberta de Catalunya. 12/11/2024 - 21/11/2024. 

Development of inventory robots for retail stores and warehouses. Keonn Technologies. Rafael Pous. Universitat Pompeu Fabra. 01/10/2019 – 31/01/2022.

Sergio López Soriano. PCT/EP2023/052364. WRISTBAND FOR IDENTIFYING A USER. Países Europeos. 10/08/2024. Universitat Oberta de Catalunya. Sin contrato de explotación.

Sergio López Soriano, Xavier Vilajosana Guillen, Joan Melià Seguí. EP23382863, US 18/811,129. FLUID SENSING SYSTEM. Europa, Estados Unidos de América. 22/08/2023. Universitat Oberta de Catalunya. Sin contrato de explotación.