Publications

JOURNAL PAPERS:

  1. J. D. Vega Sánchez, L. Urquiza-Aguiar, M. C. Paredes Paredes, and F. Javier López-Martínez, “Expectation-Maximization Learning for Wireless Channel Modeling of Reconfigurable Intelligent Surfaces," IEEE Wireless Communications Letters, vol. x, no. x, pp. x–x, Jul. 2021.. DOI: 10.1109/LWC.2021.3091840

  2. J. D. Vega Sánchez, D. P. Moya Osorio, F. J. López-Martínez, M. C. Paredes Paredes and L. Urquiza-Aguiar, “Information-Theoretic Security of MIMO Networks under κ-μ Shadowed Fading Channels," IEEE Transactions on Vehicular Technology, vol. 70, no. 7, pp. 6302–6318, Jul. 2021. DOI: 10.1109/TVT.2021.3086026

  3. Vega Sánchez, JD.; Urquiza-Aguiar, Luis; Paredes Paredes, Martha. "Fading Channel Models for mm-Wave Communications" Electronics, vol. 10, no. 7, 2021, pág. 798. DOI: https://doi.org/10.3390/electronics10070798

  4. Vega Sánchez, JD.; Urquiza-Aguiar, Luis; Paredes Paredes, Martha. “Modelos de canal de desvanecimiento para comunicaciones Millimeter-Wave”, Revista de Investigación en Tecnologías de la Información: RITI, ISSN-e 2387-0893, Vol. 9, Nº. Extra 17, 2021 (Ejemplar dedicado a: Especial Taller Andino de Comunicaciones Inalámbricas y sus Aplicaciones), págs. 17-25.

  5. J. Vega Sanchez, D. P. Moya Osorio, F. J. Lopez-Martinez, M. C. Paredes Paredes and L. Urquiza-Aguiar, "On the Secrecy Performance Over N-Wave with Diffuse Power Fading Channel," in IEEE Transactions on Vehicular Technology, vol. 69, no. 12, pp. 15137-15148, Dec. 2020; DOI: 10.1109/TVT.2020.3035544.

  6. Xavier Alejandro Flores Cabezas, Martha Cecilia Paredes Paredes, Luis FelipeUrquiza-Aguiar and Diego Javier Reinoso-Chisaguano, "PhySim-11p: Simulation model for IEEE 802.11 p physical layer in MATLAB” SoftwareX, vol. 12, pp. 100580, July 2020. DOI: https://doi.org/10.1016/j.softx.2020.100580.

  7. J. Vega Sánchez, Luis Urquiza-Aguiar, M.C Paredes, Diana Moya Osorio. “Survey on physical layer security for 5G wireless networks”. Annals of Telecommunications. February 2020. DOI: https://doi.org/10.1007/s12243-020-00799-8.

  8. José David Vega Sánchez, Diana Pamela Moya Osorio, Edgar Eduardo Benitez Olivo, Hirley Alves, Martha Cecilia Paredes Paredes and Luis Urquiza Aguiar, “On the statistics of the ratio of nonconstrained arbitrary α‐μ random variables: A general framework and applications” Tranaction on Emerging Telecomunications Technologies. December 2019. DOI: https://doi.org/10.1002/ett.3832.

  9. Jonathan E. Tito, Marco E. Yacelga, Martha C. Paredes, Andres J. Utreras, Waldemar Wójcik, and Olga Ussatova "Solution of travelling salesman problem applied to Wireless Sensor Networks (WSN) through the MST and B&B methods", Proc. SPIE 10808, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2018, 108082F (1 October 2018). DOI: https://doi.org/10.1117/12.2501579

  10. José D. Vega Sánchez, L. Urquiza-Aguiar and Martha. C. Paredes- Paredes, "An Accurate, Fast Approximation for the Sum of Fading Random Variables via Expectation Maximization Applications to Diversity Systems," in IEEE Access, vol. 6, pp. 42616-42630, 2018. DOI: 10.1109/ACCESS.2018.2861219 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8423175&isnumber=8274985

  11. M. Morales-Céspedes, Martha. C. Paredes- Paredes, A. García Armada, and L. Vandendorpe, "Aligning the Light Without Channel State Information for Visible Light Communications," in IEEE Journal on Selected Areas in Communications, vol. 36, no. 1, pp. 91-105, January 2018. DOI: 10.1109/JSAC.2017.2774518

  12. Martha. C. Paredes- Paredes, M. Julia Fernández-Getino García, “Performance of OPS-SAP Technique for PAPR Reduction in IEEE 802.11p scenarios” Ad Hoc Networks Journal, vol. 52, p. 78-88, December 2016. DOI: http://www.sciencedirect.com/science/article/pii/ S1570870516301809. URL: http://www.sciencedirect.com/science/article/pii/S1570870516301809

  13. Martha. C. Paredes- Paredes, J. Joaquín Escudero-Garzás and M. Julia Fernández-Getino García, “PAPR reduction via Constellation Extension in OFDM systems using Generalized Benders Decomposition and Branch and Bound techniques”, IEEE Transactions on Vehicular Technology, vol. 65, no. 7, pp. 5133-5145, June 2015. DOI: 10.1109/TVT.2015.2450178, URL:http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7134804&isnumber=4356907

  14. Martha. C. Paredes- Paredes, M. Julia Fernández-Getino García, “Energy Efficient Peak Power Reduction in OFDM with Amplitude Predistortion aided by Orthogonal Pilots” IEEE Transactions on Consumer Electronics, vol. 59, no. 1, pp. 45-53, Feb. 2013. DOI: 10.1109/TCE.2013.6490240. URL:http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6490240&isnumber=6490229

CONFERENCES:

  1. J. D. Vega Sánchez, L. Urquiza-Aguiar and M. C. Paredes Paredes, "Physical Layer Security for 5G Wireless Networks: A Comprehensive Survey," 2019 3rd Cyber Security in Networking Conference (CSNet), Quito, Ecuador, 2019, pp. 122-129, DOI: 10.1109/CSNet47905.2019.9108955.

  2. D. Reinoso-Chisaguano, F. Grijalva, M. C. P. Paredes and J. Carvajal-Rodríguez, "Neural Network-based scheme for PAPR reduction in OFDM Systems," 2019 IEEE Fourth Ecuador Technical Chapters Meeting (ETCM), Guayaquil, Ecuador, 2019, pp. 1-5, DOI: 10.1109/ETCM48019.2019.9014895.

  3. D. J. Reinoso-Chisaguano, L. Urquiza-Aguiar and M. C. Paredes-Paredes, "Effect of Constellation-shaping-based PAPR Reduction Methods Over the Capacity of OFDM Systems," 2019 IEEE Fourth Ecuador Technical Chapters Meeting (ETCM), Guayaquil, Ecuador, 2019, pp. 1-6, DOI: 10.1109/ETCM48019.2019.9014868.

  4. V. Montalvo, A. F. Reyes and M. C. Paredes-Paredes, "Comparison and analysis of PAPR reduction techniques in OFDMA and SC-FDMA systems," 2019 IEEE Fourth Ecuador Technical Chapters Meeting (ETCM), Guayaquil, Ecuador, 2019, pp. 1-6, DOI: 10.1109/ETCM48019.2019.9014864.

  5. Lizet Chamorro, Andres Fernando Reyes and M. C. Paredes-Paredes, “Interference Evaluation in LTE Heterogeneous Networks”, 2018 IEEE Third Ecuador Technical Chapters Meeting (ETCM), Cuenca, Ecuador, October 2018, pp. 1-6. DOI: 10.1109/ETCM.2018.8580332

  6. J. David Vega Sánchez, L. Urquiza-Aguiar and M. C. Paredes Paredes, "Performance metrics for diversity-combining techniques over Nakagami-m fading," 2017 IEEE Second Ecuador Technical Chapters Meeting (ETCM), Salinas, Ecuador, 2017, pp. 1-6. DOI: 10.1109/ETCM.2017.8247550

  7. L. Montalvo, E. Gautier, D. Sayed, T. Borja, M. C. Paredes Paredes and I. Bernal, "An efficient residential LTE small cell using a “designated” wireless local loop band," 2017 IEEE Second Ecuador Technical Chapters Meeting (ETCM), Salinas, Ecuador, 2017, pp. 1-6. DOI: 10.1109/ETCM.2017.8247503

  8. M. C. Paredes Paredes, F. Grijalva, J. Carvajal-Rodríguez and F. Sarzosa, "Performance analysis of the effects caused by HPA models on an OFDM signal with high PAPR," 2017 IEEE Second Ecuador Technical Chapters Meeting (ETCM), Salinas, Ecuador, 2017, pp. 1-5. DOI: 10.1109/ETCM.2017.8247511

  9. Martha C. Paredes Paredes, David Mejía Navarrete and Diego F. Puga-Placencia, "Analysis of quantization metrics for PAPR evaluation in OFDM systems," In 2016 8th IEEE Latin-American Conference on Communications (LATINCOM), Medellin - Colombia, pp. 1-6, 2016. DOI: 10.1109/LATINCOM.2016.7811602.

  10. Martha C. Paredes Paredes, M. Julia Fernández-Getino García, “Performance Evaluation of OPS-SAP PAPR Reduction Technique in OFDM Systems in a Wireless Vehicular Context”, In Proceedings of the 12th ACM Symposium on Performance Evaluation of Wireless Ad Hoc, Sensor, & Ubiquitous Networks (PE-WASUN '15), Cancun, Mexico, ACM, pp. 49-54, November 4-6, 2015, DOI:10.1145/2810379.2810392.

  11. Martha C. Paredes Paredes, M. Julia Fernández-Getino García, “Comparison of Architectures for PAPR reduction in OFDM combining Pilot Symbols with Constellation Extension”, IEEE European Conference (EUROCON, 2013), pp. 391 - 398, Zagreb – Croacia, 1-4 July 2013.. DOI: 10.1109/EUROCON.2013.6625013.

OTHERS PAPERS:

  1. Diego Ortega and Martha C. Paredes Paredes, “Prototipo para el monitoreo de gases contaminantes en lugares residenciales utilizando Android y Arduino”, XXVIII Jornadas en Ingeniería Eléctrica y Electrónica, ISBN:978-9942-35-558-4, Publicaciones académicas, 28-30 de noviembre de 2018. Quito – Ecuador.

  2. Roberto Acosta and Martha C. Paredes Paredes, “Análisis de algoritmos de handover reactivo y proactivo en sistemas femtoceldas para la tecnología 4G LTE-A”, XXVIII Jornadas en Ingeniería Eléctrica y Electrónica, ISBN:978-9942-35-558-4, Publicaciones académicas, 28-30 de noviembre de 2018. Quito – Ecuador.

  3. A Aguirre, Sandy Donoso, Israel Montalvo and Matha C. Paredes Paredes, “Guía de implementación y simulación de la PHY-OFDM del estándar IEEE 802,11 sobre canales AWGN y Rayleigh en MATLAB”, XXVIII Jornadas en Ingeniería Eléctrica y Electrónica, ISBN:978-9942-35-558-4, Publicaciones académicas, 28-30 de noviembre de 2018. Quito – Ecuador.

  4. Martha C. Paredes Paredes, M. Julia Fernández-Getino García, “The Problem of Peak-to-Average Power Ratio in OFDM Systems”, Revista Digital Facultad de Ingeniería de Sistemas, ReDiFIS, Departamento de Informática y Ciencias de la Computación - Escuela Politécnica Nacional, (Quito - Ecuador), Volumen 1, No. 2, 2012. ISSN: 1390:7239.

THESIS DISERTATIONS:

  1. Martha C. Paredes Paredes. Algoritmos para la reducción de los picos de potencia en los sistemas OFDM. Tesis Doctoral. Universidad Carlos III de Madrid.2014 URL: https://e-archivo.uc3m.es/bitstream/handle/10016/20549/tesis_martha_cecilia_paredes_paredes_2014.pdf?sequence=1