Dr. Omar Humberto Longoria Gándara

Doctor y maestro en Ciencias en Ingeniería Eléctrica, opción Telecomunicaciones, por el Centro de Investigación y de Estudios Avanzados (Cinvestav) del Instituto Politécnico Nacional (IPN) en la unidad Guadalajara. Ingeniero en Electrónica y Comunicaciones por el Instituto Tecnológico de Estudios Superiores de Monterrey (ITESM), campus Monterrey. Se desempeñó como profesor y como coordinador del Departamento de Electrónica en el ITESM, campus Guadalajara. Durante diez años, fue evaluador de becas en General Electric para el Instituto Internacional de Educación para América Latina. Es miembro del Sistema Nacional de Investigadores, SNI-1. Durante agosto 2010 a septiembre de 2018 estuvo a cargo de la coordinación de la carrera de Ingeniería Electrónica en el Departamento de Electrónica, Sistemas e Informática de ITESO. Del 2019 a la fecha, se desempeña como Coordinador de la Especialidad en Diseño de Sistemas en Chip y de la Maestría en Diseño Electrónico.

Campo de especialidad
Diseño digital
Procesamiento digital de señales
Telecomunicaciones

Publicaciones recientes

Google scholar

Artículos de congreso

C. R. Aguilera-Galicia, O. Longoria-Gandara, O. A. Guzmán-Ramos, L. Pizano-Escalante, and J. Vázouez-Castillo, "IEEE-754 Half-Precision Floating-Point Low-Latency Reciprocal Square Root IP-Core," in 2018 IEEE 10th Latin-American Conference on Communications (LATINCOM), Nov. 2018, pp. 1–6, doi: 10.1109/LATINCOM.2018.8613254.

C. R. Aguilera-Galicia, O. Longoria-Gandara, and L. Pizano-Escalante, "Half-Precision Floating-Point Multiplier IP Core Based on 130 Nm CMOS ASIC Technology," in 2018 IEEE 10th Latin-American Conference on Communications (LATINCOM), Nov. 2018, pp. 1–5, doi: 10.1109/LATINCOM.2018.8613231.

E. Garcia-Espinosa, E. Gonzalez-Garcia, O. Longoria-Gandara,  and A. Veloz-Guerrero, "Post-Silicon validation based on synthetic test patterns for early detection of timing anomalies," in IEEE Latin American Test Symp.  (LATS 2018), Sao Paulo, Brazil, Mar. 2018, pp. 1-5.

J. Cortez, M. Bazdresch, and O. Longoria-Gandara, "A low-complexity near-ML detector for a 3 × nR hybrid space-time code," in IEEE 9th Latin-American Conf. on Communications (LATINCOM-2017), Guatemala City, Nov. 2017, pp. 1-6.

J. M. Trejo-Arellano, J. Vázquez-Castillo, O. Longoria-Gandara, C. A. Gutiérrez, R. Carrasco-Alvarez and A. Castillo-Atoche, "A novel function segmentation methodology for implementing affordable channel emulators," in IEEE MTT-S Latin America Microwave Conf. (LAMC-2016), Puerto Vallarta, Mexico, Dec. 2016, pp. 1-4.

R. R. Carlos, J. L. Naredo, R. P. Michel, and O. Longoria, "A high-speed interconnect-model in s-domain," in IEEE MTT-S Latin America Microwave Conf. (LAMC-2016), Puerto Vallarta, Mexico, Dec. 2016, pp. 1-4.

E. Garcia-Espinosa, O. Longoria-Gandara, A. Veloz-Guerrero, and G. G. Riva, "Hearing aid devices for smart cities: a survey," in 2015 First IEEE Int. Smart Cities Conf. (ISC2), Guadalajara, Mexico, Oct. 2015, pp. 1-5.

A. Rodriguez-Garcia, L Pizano-Escalante, R. Parra-Michel, O. Longoria-Gandara, and J. Cortez-Gonzalez, "Fast fixed-point divider based on Newton-Raphson method and piecewise polynomial approximation," in Int. Conf. on Reconfigurable Computing and FPGAs (ReConFig-2013), Cancun, Mexico, Dec. 2013, pp. 1-6.

O. Longoria-Gandara, et al, "Multimedia inorganic waste separator," in IEEE Int. Conf. on Multimedia and Expo Workshops (ICMEW-2013), San Jose, CA., Jul. 2013, pp. 1-4.

J. Vázquez-Castillo, A. Castillo-Atoche, O. Longoria-Gandara, and R. Parra-Michel, "An efficient Gaussian random number architecture for MIMO channel emulators," in IEEE Workshop on Signal Processing Systems (SiPS-2011), Beirut, Lebanon, Oct. 2011, pp. 316-321.

E. Romero-Aguirre, R. Parra-Michel, O. Longoria-Gandara, and M. Aguirre-Hernández, "A hardware-efficient frequency domain correlator architecture for acquisition stage in GPS," in Int. Conf. on Reconfigurable Computing and FPGAs (ReConFig-2010), Quintana Roo, Mexico, Dec. 2010, pp. 412-417.

Artículos de revista

J. Valencia-Velasco, O. Longoria-Gandara, R. Aldana-Lopez, and L. Pizano-Escalante, "Low-Complexity Maximum-Likelihood Detector for IoT BLE Devices," IEEE Internet Things J., vol. 7, no. 6, pp. 4737–4745, Jun. 2020, doi: 10.1109/JIOT.2020.2966988.
    
J. Vázquez-Castillo, A. Castillo-Atoche, R. Carrasco-Alvarez, O. Longoria-Gandara, and J. Ortegón-Aguilar, "FPGA-Based Hardware Matrix Inversion Architecture Using Hybrid Piecewise Polynomial Approximation Systolic Cells," Electronics, vol. 9, no. 1, Art. no. 1, Jan. 2020, doi: 10.3390/electronics9010182.

I. Lopez, L. Pizano-Escalante, J. Cortez, O. Longoria-Gandara, and A. Garcia, "Fast Scalable Architecture of a Near-ML Detector for a MIMO-QSM Receiver," Electronics, vol. 8, no. 12, Art. no. 12, Dec. 2019, doi: 10.3390/electronics8121509.    

L. Pizano-Escalante, O. Longoria-Gandara, R. Parra-Michel, and F. Peña-Campos, "Simulation Model to Predict BER Based on S-Parameters of High-Speed Interconnects," IEEE Des. Test, vol. 36, no. 1, pp. 31–39, Feb. 2019, doi: 10.1109/MDAT.2018.2865455.

E. Garcia-Espinosa, O. Longoria-Gandara, I. Pegueros-Lepe, and A. Veloz-Guerrero, "Power Consumption Analysis of Bluetooth Low Energy Commercial Products and Their Implications for IoT Applications," Electronics, vol. 7, no. 12, p. 386, Dec. 2018, doi: 10.3390/electronics7120386.

C. R. Aguilera-Galicia, O. Longoria-Gandara, L. Pizano-Escalante, J. Vázquez-Castillo, and M. Salim-Maza, "On-chip implementation of a low-latency bit-accurate reciprocal square root unit," Integration, vol. 63, pp. 9–17, Sep. 2018, doi: 10.1016/j.vlsi.2018.04.016.
    
R. Aldana-Lopez, J. Valencia-Velasco, O. Longoria-Gandara, and L. Pizano-Escalante, "Digital linear GFSK demodulator for IoT devices," IET Commun., vol. 12, no. 16, pp. 1997–2004, Sep. 2018, doi: 10.1049/iet-com.2018.5040.

J. M. Trejo-Arellano, J. Vázquez Castillo, O. Longoria-Gandara, R. Carrasco-Alvarez, C. A. Gutiérrez, and A. Castillo Atoche, "Adaptive segmentation methodology for hardware function evaluators," Comput. Electr. Eng., vol. 69, pp. 194–211, Jul. 2018, doi: 10.1016/j.compeleceng.2018.04.024.

R. Carrasco-Alvarez, R. Carreón-Villal, J. Vázquez Castillo, J. Ortegón Aguilar, O. Longoria-Gandara, and A. Castillo Atoche, "A triply selective MIMO channel simulator using GPUs," Wireless Communications and Mobile Computing, vol. 2018, 9 pp., Mar. 2018.

R. Garcia-Segura, J. Vázquez Castillo, F. Martell-Chavez, O. Longoria-Gandara, and J. Ortegón Aguilar, "Electric arc furnace modeling with artificial neural networks and arc length with variable voltage gradient," Energies, vol. 10, no. 9, p. 1424, Sep. 2017.

O. Longoria-Gandara, R. Parra-Michel, R. Carrasco-Alvarez, and E. Romero-Aguirre, "Iterative MIMO detection and channel estimation using joint superimposed and pilot-aided training," Mobile Information Systems, vol. 2016, 11 pp., Feb. 2016.
    
A. Torres García, A. Rodea Aragón, O. Longoria Gándara, F. Sánchez García, and L. E. González Jiménez, "Intelligent waste separator," Computación y Sistemas, vol. 19, no. 3, pp. 487-500, Jul./Sep. 2015.

L. Pizano-Escalante, R. Parra-Michel, J. Vázquez Castillo, and O. Longoria-Gandara, "Fast bit-accurate reciprocal square root," Journal of Microprocessors and Microsystems, vol. 39, no. 2, pp. 74-82, Mar. 2015.

L. Pizano-Escalante, O. Longoria-Gandara, R. Parra-Michel, and J. L. Naredo, "Crosstalk cancellation on high-speed interconnects through a MIMO linear precoding," IEEE Trans. Microw. Theory Tech., vol. 61, no. 11, pp. 3860-3871, Oct. 2013.  

F. Pena-Campos, R. Carrasco-Alvarez, O. Longoria-Gandara, and R. Parra-Michel, "Estimation of fast time-varying channels in OFDM systems using two-dimensional prolate," IEEE Trans. Wirel. Commun., vol. 12, no. 2, pp. 898-907, Jan. 2013.  

M. Bazdresch, J. Cortez, O. Longoria-Gándara, and R. ParraMichel, "A family of hybrid space-time codes for MIMO wireless communications," J. Appl. Res. Technol., vol. 10, no. 2, Apr. 2012.  

O. Longoria-Gandara and R. Parra-Michel, "Estimation of correlated MIMO channels using partial channel state information and DPSS," IEEE Trans. Wirel. Commun., vol. 10, no. 11, pp. 3711-3719, Nov. 2011.

Patentes

R. Parra-Michel (CINVESTAV), J. Luis Pizano-Escalante (ITESO), J. Vázquez-Castillo (UQRO), and O. H. Longoria-Gándara (ITESO), "Cálculo Rápido del Recíproco de la Raíz Cuadrada en Punto Fijo," Mexican Patent Application MX/a/2015/007203 (IMPI), June 8, 2015. TÍTULO DE PATENTE No. 354623, March 8, 2018.

Departamento de Electrónica, Sistemas e Informática
olongoria@iteso.mx
Tel. 36693598 Ext. 3099
Oficina: T342