Areas
Projects
Articles
Conferences
Books

Areas

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. 

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Research Projects

Journal Articles

2025

Zoraida Frias, William Lehr, Volker Stocker,  Building an ecosystem for mobile broadband measurement: Methods and policy challenges, Telecommunications Policy, 2025, 102905, ISSN 0308-5961, https://doi.org/10.1016/j.telpol.2025.102905.

Luis Mendo, Estimating odds and log odds with guaranteed accuracy. Statistical Papers, 26 (2025). https://doi.org/10.1007/s00362-024-01639-w. Arxiv version: https://arxiv.org/abs/2404.17705

Luis Mendo. Simulating a coin with irrational bias using rational arithmetic. Communications in Statistics – Simulation and Computation, 54(1), 2025, pp. 302–318. https://doi.org/10.1080/03610918.2024.2425702. Arxiv version: https://arxiv.org/abs/2010.14901

2023

Alex Arkhipov, Luis Mendo. On the number of tiles visited by a line segment on a rectangular grid. Mathematika, 2025 69: 1242-1281. https://doi.org/10.1112/mtk.12223. Arxiv version: https://arxiv.org/abs/2201.03975

G. Darzanos, C. Kalogiros, G. D. Stamoulis, H. K. Hallingby and Z. Frias (2023), “An Open Framework for the Assessment of 5G Business Cases and Investments,” IEEE Communications Magazine, vol. 61, no. 2, pp. 44-50, February 2023, doi: 10.1109/MCOM.001.2200304.

2022

Contreras, L., Ovando, C., y Frías Z. (2022). Descubriendo la infraestructura de la red móvil en México utilizando datos colaborativos. Nova Scientia, 14(28), 1-12. doi.org/10.21640/ns.v14i28.2954

2021

Martínez-Santos, F., Frias, Z. & Escribano, A. (2021) What drives spectrum prices in multi-band spectrum markets? An empirical analysis of 4G and 5G auctions in Europe, Applied Economics, DOI: 10.1080/00036846.2021.1967277

Contreras, L., Ovando, C., y Frías Z. (2022). Descubriendo la infraestructura de la red móvil en México utilizando datos colaborativos. Nova Scientia, 14(28), 1-12. doi.org/10.21640/ns.v14i28.2954

2020

Domingo Pimienta-del-Valle, Luis Mendo, José Manuel Riera, Pedro Garcia-del-Pino, Indoor LOS Propagation Measurements and Modeling at 26, 32, and 39 GHz Millimeter-Wave Frequency Bands. Electronics 2020, 9, 1867. https://doi.org/10.3390/electronics9111867

Zoraida Frias, Luis Mendo, Edward Oughton. How does spectrum affect mobile network deployments? Empirical analysis using crowdsourced big data. IEEE Access, vol. 8, pp. 190812-190821. https://doi.org/10.1109/ACCESS.2020.3031963

2019

Luis Mendo, An asymptotically optimal Bernoulli factory for certain functions that can be expressed as power series. Stochastic Processes and their Applications, 129 (11), 2019, pages 4366-4384. https://doi.org/10.1016/j.spa.2018.11.017.

Oughton, E., Frias, Z., van der Gaast, S., van der Berg, R. Assessing the capacity, coverage and costs of 5G infrastructure strategies: Analysis of the Netherlands. Telematics and Informatics, 2019. https://doi.org/10.1016/j.tele.2019.01.003. 

Frias, Zoraida & Pérez, Jorge. Rollout and Regulation of Fibre-To-The-Premises Netwoks. Insights from the Spanish case. Telecommunications Policy, April 2019. https://doi.org/10.1016/j.telpol.2018.07.005.

2018

Oughton, E., Frias, Z., Rusell, T., Sicker, D., Cleevely, D. Towards 5G: Scenario-based assessment of the future demand of mobile telecommunications infrastructure. Technological Forescasting and Social Change. https://doi.org/10.1016/j.techfore.2018.03.016.

Oughton, E., Frias, Z., Dohler, M., Crowcroft, J., Cleevely, D., Whalley, J., & Hall, J. (2018). The Strategic National Infrastructure Assessment of Digital Communications. Digital Policy, Regulation and Governance. ISSN: 2398-5038. Available here.

Frias, Zoraida & Pérez, Jorge (2018) Organizaciones multistakeholder para la gobernanza global. Revista de Economía Industrial. ISSN 0422-2784. Available here (Spanish only).

2017

Pérez Martínez, Jorge & Frías Barroso, Zoraida (2017) Las infraestructuras TIC y la consolidación de la economía digital, Revista Información Comercial Española (ICE), n. 897 Julio-Agosto 2017, Ministerio de Economía, Industria y Competitividad. eISSN: 2340-8790. Disponible aquí (Spanish only).

Oughton, Edward J & Frias, Zoraida (2017) The cost, coverage and rollout implications of 5G infrastructure in Britain. Telecommunications Policy, July 2017. ISSN: 308-5961; https://doi.org/10.1016/j.telpol.2017.07.009

Frias, Zoraida & Pérez Martínez, Jorge (2017) 5G networks: Will technology and policy collide? Telecommunications Policy, July 2017. ISSN: 308-5961; https://doi.org/10.1016/j.telpol.2017.06.003

Frias, Zoraida; González-Valderrama, Carlos & Pérez Martínez, Jorge (2017) Assessment of spectrum value: The case of a second digital dividend in Europe. Telecommunications Policy, January 2017, ISSN: 308-5961; http://dx.doi.org/10.1016/j.telpol.2016.12.008

Academic Conferences

2025

García Cabeza, Jorge, Frías Barroso, Zoraida, Lehr, William, Mendo Tomás, Luis and Yraola, Eduardo (2024). Exploring the Utilization of CBRS Spectrum through Crowdsourced Measurements. En: “IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN) 2025”, 12-15 mayo 2025.

2024

Frias, Z., Mendo, L., & Garcia-Cabeza, J. (2024, November). Poster: Estimating Cell Load from End-user Crowdsourced Measurements in a Real-world Cellular Network. In Proceedings of the 2024 ACM on Internet Measurement Conference (pp. 757-758).

2023

Frias, Z., Lehr, W., Stocker, V. & Mendo, L. (2023) “Measuring Mobile Broadband. Challenges and Implications for Policymaking.” 32nd European Conference of the International Telecommunications Society (ITS), Madrid, Spain, 19th-20th June, 2023. https://oa.upm.es/75946/

2019

Frias, Zoraida; Mendo, Luis; Oughton, Edward. Evolving mobile networks towards 5G. A framework to infer the state of connectivity infrastructure in dense urban areas. 30th ITS European Conference, Helsinki – Espoo, Finland. 16 – 19 June 2019. Available at: http://oa.upm.es/56466/

2018

Oughton, Edward; Frias, Zoraida; Russell, Tom; Cleevely, David D., Uncertainty in the National Infrastructure Assessment of Mobile Telecommunications Infrastructure. 45th Telecommunications Policy Research Conference, Arlington, USA. Available at SSRN: https://ssrn.com/abstract=2941232

Ovando, Catalina; Frias, Zoraida; Bocarando, Juan Carlos, Connecting the Unconnected: The Case of Mexico’s Wholesale Shared Network. 45th Telecommunications Policy Research Conference, Arlington, USA. Available at SSRN: https://ssrn.com/abstract=2943921

2017

Insua-Feito, Manuel; Frías, Zoraida & Pérez Martínez, Jorge (2017). Application of multiple regression analysis to the spectrum prices of IMT bands. 28th European Regional Conference of the International Telecommunication Society, Passau, Germany, 30 July – 2 August 2017. Available here.

Frias, Zoraida & Pérez Martínez, Jorge (2016). FTTH unbundling: the Spanish regulation in retrospect. 27th European Regional Conference of the International Telecommunication Society, Cambridge, United Kingdom, 8-9 September 2016.

Serrano-Calle, Silvia; Pérez Martínez, Jorge & Frías, Zoraida (2016). Spanish public policies towards the promotion of cloud computing and digital services for SMEs. 27th European Regional Conference of the International Telecommunication Society, Cambridge, United Kingdom, 8-9 September 2016.

Frías, Zoraida; González-Valderrama, Carlos & Pérez Martínez, Jorge (2015). Keys and challenges to close the rural broadband gap. The role of LTE networks in Spain. 26th European Regional Conference of the International Telecommunication Society, San Lorenzo de El Escorial, Spain, 24-27 June 2015.

González-Valderrama, Carlos; Frías, Zoraida & Pérez Martínez, Jorge (2015). Assessment of spectrum value: application to sub 1-GHz frequency bands. 26th European Regional Conference of the International Telecommunication Society, San Lorenzo de El Escorial, Spain, 24-27 June 2015.

Books

G. Darzanos, C. Kalogiros, G. D. Stamoulis, H. K. Hallingby and Z. Frias (2023), “An Open Framework for the Assessment of 5G Business Cases and Investments,” in IEEE Communications Magazine, vol. 61, no. 2, pp. 44-50, February 2023, doi: 10.1109/MCOM.001.2200304.

2023

G. Darzanos, C. Kalogiros, G. D. Stamoulis, H. K. Hallingby and Z. Frias (2023), “An Open Framework for the Assessment of 5G Business Cases and Investments,” in IEEE Communications Magazine, vol. 61, no. 2, pp. 44-50, February 2023, doi: 10.1109/MCOM.001.2200304.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.