Fernando J. Álvarez received his Physics degree from the University of Sevilla (Spain), his Electronic Engineering degree from the University of Extremadura (Spain), his M.S. degree in Signal Theory and Communications from the University of Vigo (Spain), and his Ph.D. degree in Electronics from the University of Alcalá (Spain).
He is currently a Full Professor of Digital Electronics in the Department of Electrical Engineering, Electronics and Automation at the University of Extremadura, Spain, where he has been working since 2001. During 2008 he was a postdoctoral “José Castillejo” Fellow in the Intelligent Sensors Laboratory, Yale University (USA). His research areas of interest include local positioning systems, acoustic signal processing and embedded computing. He has published 54 articles in international journals, has contributed with more that 150 communications to national and international conferences and has led eight research projects (one European, six National and one Regional). He is a Senior Member of the IEEE, and currently Vice-Chair of the Instrumentation and Measurement Chapter of this Society.
Email: fafranco@unex.es
Phone: +34 924 289 300 (Ext. 86830)
International Journal Articles
2022
Joaquín Aparicio, Fernando J. Álvarez, Álvaro Hernández and Sverre Holm. "A Survey on Acoustic Positioning Systems for Location-Based Services", IEEE Transactions on Instrumentation and Measurement, vol. 71, no. 9, September 2022, pp. 1-31
Juan Diego Gutiérrez Gallardo, Antonio Jiménez, Fernando Seco, Fernando J. Álvarez, Teodoro Aguilera Benítez, Joaquín Torres Sospedra and Fran Melchor. "GetSensorData: An extensible Android-based application for multi-sensor data registration", Software X, vol. 19, no. 1, July 2022, pp. 1-9
2021
Teodoro Aguilera Benítez, Joaquín Aparicio and Fernando J. Álvarez. "High Availability Acoustic Positioning for Targets Moving in Poor Coverage Areas", IEEE Transactions on Instrumentation and Measurement, vol. 70, no. 1, August 2021, pp. 1-11
José Antonio Paredes Moreno, Fernando J. Álvarez, Miles Hansard and Khalid Z. Rajab. "A Gaussian Process model for UAV localization using millimetre wave radar", Expert Systems with Applications, vol. 185, no. 2021, July 2021, pp. 1-13
Teodoro Aguilera Benítez, Fernando Jesús Aranda Polo, Felipe Parralejo Rodríguez, Juan Diego Gutiérrez Gallardo, José Antonio Moreno Zamora and Fernando J. Álvarez. "Noise-Resilient Acoustic Low Energy Beacon for Proximity-Based Indoor Positioning Systems", Sensors, vol. 21, no. 5, March 2021, pp. 1-22
2020
Joaquín Aparicio, Teodoro Aguilera Benítez and Fernando J. Álvarez. "Robust Airborne Ultrasonic Positioning of Moving Targets in Weak Signal Coverage Areas", IEEE Sensors Journal, vol. 20, no. 21, November 2020, pp. 13119-13130
Santiago Murano Francisc, Maria del Carmen Pérez Rubio, David Gualda Gómez, Fernando J. Álvarez, Teodoro Aguilera Benítez and Carlos De Marciani. "Evaluation of Zadoff-Chu, Kasami and Chirp based encoding schemes for Acoustic Local Positioning Systems", IEEE Transactions on Instrumentation and Measurement, vol. 69, no. 8, August 2020, pp. 5356-5368
Teodoro Aguilera Benítez, Fernando J. Álvarez, José Antonio Paredes Moreno and José Antonio Moreno Zamora. "Doppler Compensation Algorithm for Chirp-Based Acoustic Local Positioning Systems", Digital Signal Processing, vol. 100, no. 1, May 2020, pp. 1-11
2019
José Antonio Paredes Moreno, Fernando J. Álvarez, Teodoro Aguilera Benítez and Fernando Jesús Aranda Polo. "Precise Drone Location and Tracking by Adaptive Matched Filtering from a Top-View ToF Camera", Expert Systems with Applications, vol. 141, no. 2020, September 2019, pp. 1-13
José Antonio Moreno Zamora, Fernando J. Álvarez, Teodoro Aguilera Benítez and José Antonio Paredes Moreno. "Easily-Deployable Acoustic Local Positioning System Based on Auto-CalibratedWireless Beacons", Sensors, vol. 19, no. 6, March 2019, pp. 1-22
2018
Jesús Ureña, Álvaro Hernández, J. Jesús García, José M. Villadangos, M. Carmen Pérez, Fernando J. Álvarez and Teodoro Aguilera Benítez. "Acoustic Local Positioning With Encoded Emission Beacons", Proceedings of the IEEE, vol. 106, no. 6, May 2018, pp. 1042-1062
Teodoro Aguilera Benítez, Fernando J. Álvarez, David Gualda, José M. Villadangos, Álvaro Hernández and Jesús Ureña. "Multipath Compensation Algorithm for TDMA-Based Ultrasonic Local Positioning Systems", IEEE Transactions on Instrumentation and Measurement, vol. 67, no. 5, May 2018, pp. 984-991
Fernando J. Álvarez, Teodoro Aguilera Benítez, José Antonio Paredes Moreno and José Antonio Moreno Zamora. "Acoustic Tag Identification Based on Noncoherent FSK Detection With Portable Devices", IEEE Transactions on Instrumentation and Measurement, vol. 67, no. 2, February 2018, pp. 270-278
Teodoro Aguilera Benítez, Fernando Seco, Fernando J. Álvarez and Antonio Jiménez. "Broadband Acoustic Local Positioning System for Mobile Devices with Multiple Access Interference Cancellation", Measurement, vol. 116, no. N.A., February 2018, pp. 483-494
2017
José Antonio Paredes Moreno, Fernando J. Álvarez, Teodoro Aguilera Benítez and José M. Villadangos. "3D Indoor Positioning of UAVs with Spread Spectrum Ultrasound and Time-of-Flight Cameras", Sensors, vol. 18, no. 1, December 2017, pp. 1-15
José Manuel Ordiales Solís, Eliseo Vañó, J. M. Nogales, J. Ramos, J. R. López-Mínguez, G. Martínez, P. Cerrato and Fernando J. Álvarez. "Optimisation of Imaging Protocols in Interventional Cardiology: Impact on Patient Doses", Journal of Radiological Protection, vol. 37, no. 3, July 2017, pp. 684-696
Alfonso Bahillo, Teodoro Aguilera Benítez, Fernando J. Álvarez and Asier Perallos. "WAY: Seamless Positioning Using a Smart Device", Wireless Personal Communications, vol. 94, no. 4, June 2017, pp. 2949–2967
José Manuel Ordiales Solís, J. M. Nogales, Eliseo Vañó, J. R. López-Mínguez, Fernando J. Álvarez, J. Ramos, G. Martínez and R. M. Sánchez. "Occupational Dose Reduction in Cardiac Catheterisation Laboratory: A Randomised Trial Using a Shield Drape Placed on the Patient", Radiation Protection Dosimetry, vol. 174, no. 2, April 2017, pp. 255-261
Fernando J. Álvarez, Teodoro Aguilera Benítez and Roberto López-Valcarce. "CDMA-Based Acoustic Local Positioning System for Portable Devices with Multipath Cancellation", Digital Signal Processing, vol. 62, no. N.A., March 2017, pp. 38-51
2016
Joaquín Aparicio, Ana Jiménez, Fernando J. Álvarez, Daniel Ruiz, Carlos de Marziani and Jesús Ureña. "Characterization of an Underwater Positioning System Based on GPS Surface Nodes and Encoded Acoustic Signals", IEEE Transactions on Instrumentation and Measurement, vol. 65, no. 8, May 2016, pp. 1773-1784
2015
Ana Jiménez, Álvaro Hernández, Daniel Ruiz, Isaac Gude, Carlos de Marziani, M. Carmen Pérez, Fernando J. Álvarez, César Gutiérrez and Jesús Ureña. "EMFi-Based Ultrasonic Sensory Array for 3D Localization of Reflectors Using Positioning Algorithms", IEEE Sensors Journal, vol. 15, no. 5, May 2015, pp. 2951-2962
José Manuel Ordiales Solís, J. M. Nogales, R. Sánchez-Casanueva, Eliseo Vañó, J. M. Fernández, Fernando J. Álvarez, J. Ramos, G. Martínez and J. R. López-Mínguez. "Reduction of Occupational Radiation Dose in Staff at the Cardiac Catheterisation Laboratory by Protective Material Placed on the Patient", Radiation Protection Dosimetry, vol. 165, no. 1-4, April 2015, pp. 272-275
Joaquín Aparicio, Ana Jiménez, Fernando J. Álvarez, Jesús Ureña, Carlos de Marziani, Daniel de Diego, Nuno Cruz and Helder Campos. "Accurate Detection of Spread-Spectrum Modulated Signals in Reverberant Underwater Environments", Applied Acoustics, vol. 88, no. N.A., February 2015, pp. 57-65
Enrique García, José Antonio Paredes Moreno, Fernando J. Álvarez, M. Carmen Pérez and J. Jesús García. "Spreading Sequences in Active Sensing: A Review", Signal Processing, vol. 106, no. N.A., January 2015, pp. 88-105
2013
Fernando J. Álvarez, Álvaro Hernández, José Antonio Moreno Zamora, M. Carmen Pérez, Jesús Ureña and Carlos de Marziani. "Doppler-Tolerant Receiver for an Ultrasonic LPS Based on Kasami Sequences", Sensors and Actuators A:Physical, vol. 189, no. N.A., January 2013, pp. 238-253
2012
Teodoro Aguilera Benítez, Jesús Lozano, José Antonio Paredes Moreno, Fernando J. Álvarez and José I. Suárez. "Electronic Nose Based on Independent Component Analysis Combined with Partial Least Squares and Artificial Neural Networks for Wine Prediction", Sensors, vol. 12, no. 6, December 2012, pp. 8055-8072
Carlos de Marziani, Jesús Ureña, Álvaro Hernández, J. Jesús García, Fernando J. Álvarez, Ana Jiménez, M. Carmen Pérez, José M. Villadangos, Joaquín Aparicio and Rómulo Alcoleas. "Simultaneous Round-Trip Time-of-Flight Measurements with Encoded Acoustic Signals", IEEE Sensors Journal, vol. 12, no. 10, October 2012, pp. 2931-2940
M. Carmen Pérez, Rebeca Sanz, Jesús Ureña, Álvaro Hernández, Carlos de Marziani and Fernando J. Álvarez. "Correlator Implementation for Orthogonal CSS Used in an Ultrasonic LPS", IEEE Sensors Journal, vol. 12, no. 9, September 2012, pp. 2807-2816
2011
Cristina Diego, Álvaro Hernández, Ana Jiménez, Fernando J. Álvarez, Rebeca Sanz and Joaquín Aparicio. "Ultrasonic Array for Obstacle Detection Based on CDMA with Kasami Codes", Sensors, vol. 11, no. 12, December 2011, pp. 11464-11475
Joaquín Aparicio, Ana Jiménez, Fernando J. Álvarez, Jesús Ureña, Carlos de Marziani and Cristina Diego. "Modeling the Behavior of an Underwater Acoustic Relative Positioning System Based on Complementary Set of Sequences", Sensors, vol. 11, no. 12, November 2011, pp. 11188-11205
José Antonio Paredes Moreno, Teodoro Aguilera Benítez, Fernando J. Álvarez, Jesús Lozano and Jorge Morera Mainar. "Analysis of Doppler Effect on the Pulse Compression of Different Codes Emitted by an Ultrasonic LPS", Sensors, vol. 11, no. 11, November 2011, pp. 10765-10784
Fernando J. Álvarez, Roman Kuc and Teodoro Aguilera Benítez. "Identifying Fabrics with a Variable Emission Airborne Sonar", IEEE Sensors Journal, vol. 11, no. 9, September 2011, pp. 1905-1912
Carlos de Marziani, Jesús Ureña, Álvaro Hernández, J. Jesús García, Fernando J. Álvarez, Ana Jiménez and M. Carmen Pérez. "Recursive Algorithm to Directly Obtain the Sum of Correlations in a CSS", Signal Processing, vol. 91, no. 5, May 2011, pp. 1343-1346
2010
J. Jesús García, Jesús Ureña, Álvaro Hernández, Manuel Mazo, José A. Jiménez, Fernando J. Álvarez, Carlos de Marziani, Ana Jiménez, María J. Díaz, Cristina Losada and Enrique García. "Efficient Multisensory Barrier for Obstacle Detection on Railways", IEEE Transactions on Intelligent Transportation Systems, vol. 11, no. 3, September 2010, pp. 702-713
M. Carmen Pérez, Jesús Ureña, Carlos de Marziani, Álvaro Hernández, J. Jesús García and Fernando J. Álvarez. "Very Efficient Correlator for Loosely Synchronised Codes", Electronics Letters, vol. 46, no. 16, August 2010, pp. 1127-1129
J. Jesús García, Jesús Ureña, Manuel Mazo, Felipe Espinosa, Álvaro Hernández, Cristina Losada, Ana Jiménez, Carlos de Marziani, Fernando J. Álvarez and Enrique García. "Sensory System for Obstacle Detection on High-Speed Lines", Transportation Research Part C: Emerging Technologies, vol. 18, no. 4, August 2010, pp. 536-553
2009
Álvaro Hernández, Jesús Ureña, Manuel Mazo, J. Jesús García, Ana Jiménez, José A. Jiménez, M. Carmen Pérez, Fernando J. Álvarez, Carlos de Marziani, J. P. Derutin and J. Serot. "Advanced Adaptive Sonar for Mapping Applications", Journal of Intelligent & Robotic Systems, vol. 55, no. 1, June 2009, pp. 81-106
Fernando J. Álvarez and Roman Kuc. "High Resolution Adaptive Spiking Sonar", IEEE Transactions on Ultrasonics Ferroelectrics and Frecuency Control, vol. 56, no. 5, May 2009, pp. 1024-1033
Carlos de Marziani, Jesús Ureña, Álvaro Hernández, Manuel Mazo, J. Jesús García, Ana Jiménez, M. Carmen Pérez, Fernando J. Álvarez and José M. Villadangos. "Acoustic Sensor Network for Relative Positioning of Nodes", Sensors, vol. 9, no. N.A., January 2009, pp. 8490-8507
2008
Ana Jiménez, Álvaro Hernández, Jesús Ureña, M. Carmen Pérez, Fernando J. Álvarez, Carlos de Marziani, J. Jesús García and José M. Villadangos. "EMFi-Based Ultrasonic Transducer for Robotics Applications", Sensors and Actuators A:Physical, vol. 148, no. N.A., November 2008, pp. 342-349
Fernando J. Álvarez, Jesús Ureña, Álvaro Hernández, Manuel Mazo, J. Jesús García and Ana Jiménez. "Influence of Atmospheric Refraction on the Performance of an Outdoor Ultrasonic Pulse Compression System", Applied Acoustics, vol. 69, no. N.A., November 2008, pp. 994-1002
M. Carmen Pérez, Jesús Ureña, Álvaro Hernández, Fernando J. Álvarez, Ana Jiménez and Carlos de Marziani. "Efficient Correlator for LS Codes Generated from Orthogonal CSS", IEEE Communications Letters, vol. 12, no. 10, October 2008, pp. 764-766
Fernando J. Álvarez and Roman Kuc. "Dispersion Relation for Air via Kramers-Kronig Analysis", Journal of the Acoustical Society of America, vol. 124, no. 2, August 2008, pp. 57-61
2007
Jesús Ureña, Álvaro Hernández, Ana Jiménez, José M. Villadangos, Manuel Mazo, Juan Carlos García, J. Jesús García, Fernando J. Álvarez, Carlos de Marziani, M. Carmen Pérez, José A. Jiménez, Antonio Jiménez and Fernando Seco. "Advanced Sensorial System for an Acoustic LPS", Microprocessors and Microsystems, vol. 31, no. N.A., September 2007, pp. 393-401
Carlos de Marziani, Jesús Ureña, Álvaro Hernández, Manuel Mazo, Fernando J. Álvarez, J. Jesús García and Patricio Donato. "Modular Architecture for Efficient Generation and Correlation of Complementary Set of Sequences", IEEE Transactions on Signal Processing, vol. 55, no. 5, May 2007, pp. 2323-2337
Álvaro Hernández, Jesús Ureña, Manuel Mazo, J. Jesús García, Ana Jiménez and Fernando J. Álvarez. "Reduction of Blind Zone in Ultrasonic Transmitter/Receiver Transducers", Sensors and Actuators A:Physical, vol. 133, no. 1, January 2007, pp. 96-103
2006
Fernando J. Álvarez, Jesús Ureña, Manuel Mazo, Álvaro Hernández, J. Jesús García and Carlos de Marziani. "High Reliability Outdoor Sonar Prototype Based on Efficient Signal Coding", IEEE Transactions on Ultrasonics Ferroelectrics and Frecuency Control, vol. 53, no. 10, October 2006, pp. 1862-1871
Fernando J. Álvarez, Álvaro Hernández, Jesús Ureña, Manuel Mazo, J. Jesús García, José A. Jiménez and Ana Jiménez. "Real-Time Implementation of an Efficient Correlator for Complementary Sets of Four Sequences Applied to Ultrasonic Pulse Compression Systems", Microprocessors and Microsystems, vol. 30, no. 1, February 2006, pp. 43-51
2005
José A. Jiménez, Manuel Mazo, Jesús Ureña, Álvaro Hernández, Fernando J. Álvarez, J. Jesús García and Enrique Santiso. "Using PCA in Time-Of-Flight Vectors for Reflector Recognition and 3-D Localization", IEEE Transactions on Robotics, vol. 21, no. 5, October 2005, pp. 909-924
2004
Fernando J. Álvarez, Jesús Ureña, Manuel Mazo, Álvaro Hernández, J. Jesús García and José A. Jiménez. "Efficient Generator and Pulse Compressor for Complementary Sets of Four Sequences", Electronics Letters, vol. 40, no. 11, May 2004, pp. 703-704