Sandra Cespedes, PhD

Assistant Professor, Computer Science and Software Engineering

Contact information

Email:

sandra.cespedes@concordia.ca

ORCID:

0000-0003-1686-2644

Biography

Sandra Céspedes is an Assistant Professor with the Department of Computer Science & Software Engineering, Gina Cody School of Engineering and Computer Science, Concordia University. Previously, she was an Associate Professor with the Department of Electrical Engineering and the Head of Research at NIC Chile Research Labs, Universidad de Chile, Santiago, Chile. Dr. Céspedes holds an honorary Adjunct Professorship at Universidad Icesi, Cali, Colombia. She is an Associate Researcher with the Advance Center of Electrical and Electronic Engineering (AC3E), Chile.

Dr. Céspedes received her B.Eng. (2003) and Specialization (2007) degrees in Telematics Engineering, and Management of Information Systems, from Universidad Icesi, Colombia, and a Ph.D. (2012) in Electrical and Computer Engineering from the University of Waterloo, Canada.

Her research focuses on the topics of routing and protocols design for restricted devices and the Internet of Things, vehicular communications systems and networking, and cyberphysical systems. She serves as an Associate Editor for the IEEE Internet of Things Journal and the IEEE Vehicular Technology Magazine

Publications

2023

P. I.Parra, S. Montejo-Sánchez, J. A. Fraire, R. D. Souza and S. Céspedes,"Network Size Estimation for Direct-to-Satellite IoT," in IEEE Internet of Things Journal,vol. 10, no. 7, pp. 6111-6125, April. 2023.
F. A.Tondo, V. D. P. Souto, O. L. Alcaraz López, S. Montejo-Sánchez, S. Céspedes andR. D. Souza, "Optimal Traffic Load Allocation for Aloha-Based IoT LEOConstellations," in IEEE Sensors Journal, vol. 23, no. 3, pp. 3270-3282, Feb. 2023

2022

A. Arteaga, S. Céspedes and C. A. Azurdia-Meza, "Toward the Coexistence of Cognitive Networks for Vehicular Communications on TVWS for IEEE Std.802.22," in IEEE Transactions on Cognitive Communications and Networking, vol. 8,no. 3, pp. 1316-1331, Sept. 2022
G.Álvarez, J. A. Fraire, K. A. Hassan, S. Céspedes and D. Pesch, "Uplink Transmission Policies for LoRa-Based Direct-to-Satellite IoT," in IEEE Access, vol. 10, pp.72687-72701, Jul. 2022
González-SaavedraJ. F., Figueroa M., Céspedes S., Montejo-Sánchez S. , "Survey of Cooperative Advanced Driver Assistance Systems: From a Holistic and Systemic Vision," Sensors, 22(8):3040. April 2022.
Muñoz, R.; Saez Hidalgo, J.; Canales, F.; Dujovne, D.; Céspedes, S. "SCHC over LoRaWAN Efficiency: Evaluation and Experimental Performance of Packet Fragmentation." Sensors 2022, 22, 1531
Román Cañizares, M., Palacios Játiva, P., Azurdia-Meza, C.A. et al. "Impact of diversity combining schemes in a multi-cell VLC system with angle diversity receivers." Photon Netw Commun 43, 13–22 (2022)

2021

J. Sandoval and S. Cespedes, "Performance Evaluation of IEEE 802.11ax for Residential Networks," 2021 IEEE Latin-American Conference on Communications (LATINCOM), 2021, pp. 1-7.
R. Ortigueira, J. A. Fraire, A. Becerra, T. Ferrer and S. Céspedes, "RESS-IoT: A Scalable Energy-Efficient MAC Protocol for Direct-to-Satellite IoT," in IEEE Access, vol. 9, pp. 164440-164453, 2021.
S. Aguilar, D. S. Wistuba, A. Platis, R. Vidal, C. Gomez, S. Céspedes; J. C. Zúñiga , "Packet Fragmentation over Sigfox: Implementation and Performance Evaluation of SCHC ACK-on-Error", IEEE Internet of Things Journal, Nov 2021. [PDF]
P. Ilabaca, S. Montejo-Sanchez, S. Céspedes, "Network Size Estimation in Direct-to-Satellite IoT", 2021 IEEE 8th International Conference on Space Mission Challenges for Information Technology (SMC-IT), virtual conference, Jul 2021.
T. Núñez, J. López, S Montejo-Sánchez, Cesar Azurdia-Meza, S. Céspedes, "Analysis of Channel Models for LoRa-based Direct-to-Satellite IoT Networks Served by LEO Nanosatellites", IEEE International Conference on Communications Workshops (ICC Workshops), 10.1109/ICCWorkshops50388.2021.9473781 , Jun 2021.
T. Lara, A. Yáñez, S. Céspedes, A. S. Hafid, "Impact of Safety Message Generation Rules on the Awareness of Vulnerable Road Users." Sensors (14248220) 21, no. 10, DOI: 10.3390/s21103375 [PDF], May 2021.
J. Jeong, Y. Shen, T. Oh, S. Céspedes, N. Benamar, M. Wetterwald and J. Härri, “A comprehensive survey on vehicular networks for smart roads: A focus on IP-based approaches”. in Elsevier Vehicular Communications, pp100334. Jan. 2021. [PDF]
F. Valle, S. Céspedes and A. S. Hafid,“Automated Decision System to Exploit Network Diversity for Connected Vehicles”, in IEEE Transactions on Vehicular Technology, vol. 70, no. 1, pp. 858-871, doi: 10.1109/TVT.2020.3046413, Jan. 2021. [PDF]

Complete list

Teaching activities

Concordia University

Undergrad

COMP 445: Data Communications & Computer Networks (W'22,W'23)
SOEN 422: Embedded Systems (F'22,F'23)

Previous institutions

Universidad de Chile (Santiago, Chile)