All Stories

  1. Symmetrical User Fairness in Asymmetric Indoor Channels: A Max–Min Framework for Joint Discrete RIS Partitioning and Power Allocation in NOMA Systems

    Article • Symmetry, March 2026, MDPI AG

    Dr. Francisco R. Castillo-Soria

  2. Neural Network Aided M-PSK Detection in 802.11P V2V OFDM Systems Under ICI Conditions

    Article • IEEE Wireless Communications Letters, November 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  3. Audio’s Impact on Deep Learning Models: A Comparative Study of EEG-Based Concentration Detection in VR Games

    Article • Inventions, October 2025, MDPI AG

    Dr. Francisco R. Castillo-Soria

  4. Multiple parallel RIS-assisted MU-MIMO-DQSM system: Blind and intelligent approaches

    Article • China Communications, August 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  5. Performance Analysis of Reconfigurable Intelligent Surface-Assisted Millimeter Wave Massive MIMO System Under 3GPP 5G Channels

    Article • Information, May 2025, MDPI AG

    Dr. Francisco R. Castillo-Soria

  6. A novel metric to estimate energy consumption in LoRaWAN based on SF adjustments

    Article • Telecommunication Systems, May 2025, Springer Science + Business Media

    Dr. Francisco R. Castillo-Soria

  7. Performance Optimization of Multiple RIS‐Assisted Multiuser MIMO Communication Systems

    Article • May 2025, Wiley

    Dr. Francisco R. Castillo-Soria

  8. Reconfigurable Intelligent Surface‐Empowered Non‐orthogonal Multiple Access: Outage and ABER Analysis of Smart and Blind Transmissions

    Article • May 2025, Wiley

    Dr. Francisco R. Castillo-Soria

  9. Multi-Channel Speech Enhancement Using Labelled Random Finite Sets and a Neural Beamformer in Cocktail Party Scenario

    Article • Applied Sciences, March 2025, MDPI AG

    Dr. Francisco R. Castillo-Soria

  10. Verification of a Probabilistic Model and Optimization in Long-Range Networks

    Article • Applied Sciences, February 2025, MDPI AG

    Dr. Francisco R. Castillo-Soria

  11. Efficient Deep Learning-Based Detection Scheme for MIMO Communication Systems

    Article • Sensors, January 2025, MDPI AG

    Dr. Francisco R. Castillo-Soria

  12. A growth model for citations networks

    Article • Applied Network Science, January 2025, Springer Science + Business Media

    Dr. Francisco R. Castillo-Soria

  13. Polarimetric Modeling of Mobile Fading Channels

    Article • IEEE Transactions on Vehicular Technology, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  14. Corrections to “SOC-Based Simulation of 3D MIMO Mobile-to-Mobile Fading Channels: A Riemann Sum Approach”

    Article • IEEE Open Journal of Vehicular Technology, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  15. Head-On Vehicle Collision Prevention With Machine Learning and a Fully Centralized Radio Sensing Approach

    Article • IEEE Open Journal of the Communications Society, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  16. Modeling and Performance Evaluation of a Cellular Network with OMA and NOMA Users with Batch Arrivals by Means of an M[X]/M/S/0 Model

    Article • Mathematics, October 2024, MDPI AG

    Dr. Francisco R. Castillo-Soria

  17. Enhanced Chaotic Pseudorandom Number Generation Using Multiple Bernoulli Maps with Field Programmable Gate Array Optimizations

    Article • Information, October 2024, MDPI AG

    Dr. Francisco R. Castillo-Soria

  18. Enhanced Chaotic Pseudorandom Number Generation Using Multiple Bernoulli Maps with FPGA Optimizations

    Article • September 2024, MDPI AG

    Dr. Francisco R. Castillo-Soria

  19. Experimental Evaluation of a Head-On Collision Warning System Fusing Machine Learning and Decentralized Radio Sensing

    Article • IEEE Sensors Journal, July 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  20. Implications for Serious Game Design: Quantification of Cognitive Stimulation in Virtual Reality Puzzle Games through MSC and SpEn EEG Analysis

    Article • Electronics, May 2024, MDPI AG

    Dr. Francisco R. Castillo-Soria

  21. Machine Learning Strategies for Reconfigurable Intelligent Surface-Assisted Communication Systems—A Review

    Article • Future Internet, May 2024, MDPI AG

    Dr. Francisco R. Castillo-Soria

  22. RIS-Assisted Non-orthogonal Multiple Access System Based on SSK

    Article • Wireless Personal Communications, February 2024, Springer Science + Business Media

    Dr. Francisco R. Castillo-Soria

  23. SOC-Based Simulation of 3D MIMO Mobile-to-Mobile Fading Channels: A Riemann Sum Approach

    Article • IEEE Open Journal of Vehicular Technology, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  24. Differential Evolution Optimized Non-Orthogonal Multiple Access for Sum Rate Maximization

    Article • December 2023, MDPI AG

    Dr. Francisco R. Castillo-Soria

  25. Relay‐assisted multiuser MIMO‐DQSM system for correlated fading channels

    Article • ETRI Journal, November 2023, Wiley

    Dr. Francisco R. Castillo-Soria

  26. Cylindrical cavity resonator for complex permittivity estimation at 1.2853 GHz: Coir and skins of rice, banana, lemon, watermelon, pineapple and papaya

    Article • International Journal of Applied Electromagnetics and Mechanics, November 2023, IOS Press

    Dr. Francisco R. Castillo-Soria

  27. Precoding for RIS-Assisted Multi-User MIMO-DQSM Transmission Systems

    Article • Future Internet, September 2023, MDPI AG

    Dr. Francisco R. Castillo-Soria

  28. Maximal Ratio Combining Detection in OFDM Systems with Virtual Carriers Over V2V Channels

    Article • Sensors, July 2023, MDPI AG

    Dr. Francisco R. Castillo-Soria

  29. RIS-Assisted Fixed NOMA: Outage Probability Analysis and Transmit Power Optimization

    Article • Future Internet, July 2023, MDPI AG

    Dr. Francisco R. Castillo-Soria

  30. Efficient Index Modulation-Based MIMO OFDM Data Transmission and Detection for V2V Highly Dispersive Channels

    Article • Mathematics, June 2023, MDPI AG

    Dr. Francisco R. Castillo-Soria

  31. Experimental Analysis of Depolarization Effects of Infrastructure-to-Vehicle Radio Channels

    Article • November 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  32. Outage Probability Analysis and Transmit Power Optimization for Blind-Reconfigurable Intelligent Surface-Assisted Non-Orthogonal Multiple Access Uplink

    Article • Sustainability, October 2022, MDPI AG

    Dr. Francisco R. Castillo-Soria

  33. Design and Implementation of a Car’s Black Box System Using a Raspberry Pi and a 4G Module

    Article • Applied Sciences, June 2022, MDPI AG

    Dr. Francisco R. Castillo-Soria

  34. RIS-Assisted Multi-User MIMO-DQSM Transmission System

    Article • April 2022, Research Square

    Dr. Francisco R. Castillo-Soria

  35. Smart Reconfigurable Intelligent Surface with Discrete Phase Shifter for Next Generation Networks

    Article • March 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  36. Performance Evaluation of Fully Quadrature Spatial Modulation under Various Channel Fading Scenarios

    Article • February 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  37. Bit error probability of VLC systems in underground mining channels with imperfect CSI

    Article • AEU - International Journal of Electronics and Communications, February 2022, Elsevier

    Dr. Francisco R. Castillo-Soria

  38. Self Interference Cancellation on a Full Duplex DFTs-OFDM System using GNU Radio and USRP

    Article • IEEE Latin America Transactions, October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  39. Optimization of a Coherent Dual-Beam Array Feed Network for Aperiodic Concentric Ring Antennas

    Article • Applied Sciences, January 2021, MDPI AG

    Dr. Francisco R. Castillo-Soria

  40. Improved Recognition of Sub-Nyquist Sampled Cyclic Features using Graph Filter-bank De-noiser

    Article • June 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  41. AF Relay assisted multiuser MIMO-DQSM downlink transmission system

    Article • Electronics Letters, April 2020, the Institution of Engineering and Technology (the IET)

    Dr. Francisco R. Castillo-Soria

  42. Quadrature spatial modulation basedmultiuser MIMO transmission system

    Article • IET Communications, January 2020, the Institution of Engineering and Technology (the IET)

    Dr. Francisco R. Castillo-Soria

  43. EQSM-based multiuser MIMO downlink transmission for correlated fading channels

    Article • EURASIP Journal on Wireless Communications and Networking, January 2020, Springer Science + Business Media

    Dr. Francisco R. Castillo-Soria

  44. Low Complexity Detection for an AF Relay Assisted MIMO QSM System

    Article • October 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  45. Numerical Simulations for Plasmonic Nano-antenna a-Si:H Solar Cell

    Article • Microscopy and Microanalysis, August 2019, Oxford University Press (OUP)

    Dr. Francisco R. Castillo-Soria

  46. Comparison of the Microwave Absorption Properties of Opuntia ficus-indica, Agave atrovirens, and Cocos nucifera L. Husk

    Article • International Journal of Antennas and Propagation, April 2019, Hindawi Publishing Corporation

    Leonel Soriano Equigua, Dr. Francisco R. Castillo-Soria, Edgar BRIONES

  47. Extended quadrature spatial modulation for MIMO wireless communications

    Article • Physical Communication, February 2019, Elsevier

    Dr. Francisco R. Castillo-Soria

  48. Lightweight Security Hardware Architecture Using DWT and AES Algorithms

    Article • IEICE Transactions on Information and Systems, November 2018, Institute of Electronics, Information and Communications Engineers (IEICE)

    Dr. Alejandro Medina Santiago, Dr. Francisco R. Castillo-Soria

  49. Numerical Analysis Receiving/Transmitting Mechanisms of ZnO/Ag Nanoantennas

    Article • Microscopy and Microanalysis, August 2018, Oxford University Press (OUP)

    Dr. Francisco R. Castillo-Soria

  50. Volume Based Opportunistic Interference Alignment over Correlated MIMO IBC

    Article • July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria, Leonel Soriano Equigua

  51. Performance Evaluation of Spatial Modulation Techniques in Correlated MIMO V2V Channels

    Article • May 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  52. Quadrature Spatial Modulation and Spatial Multiplexing Transmission System

    Article • ETRI Journal, October 2017, Wiley

    Francisco R. Castillo Soria, Leonel Soriano Equigua, Dr. Francisco R. Castillo-Soria

  53. Multiuser MIMO Downlink Transmission using Block Diagonalization and Generalized Spatial Modulation Techniques

    Article • AEU - International Journal of Electronics and Communications, September 2016, Elsevier

    Dr. Francisco R. Castillo-Soria

  54. Multiuser MIMO Downlink Transmission Using SSK and Orthogonal Walsh Codes

    Article • Wireless Personal Communications, April 2016, Springer Science + Business Media

    Dr. Francisco R. Castillo-Soria

  55. User Selection Algorithms for MU-MIMO Systems with Coordinated Beamforming

    Article • ETRI Journal, February 2016, Wiley

    Dr. Francisco R. Castillo-Soria, Leonel Soriano Equigua

  56. User Scheduling Algorithms in Multiuser Massive MIMO Systems Towards 5G

    Article • IEEE Latin America Transactions, December 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria, Leonel Soriano Equigua

  57. Multiuser MIMO Downlink Transmission using Spatial Modulation

    Article • IEEE Latin America Transactions, November 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  58. Practical user scheduling algorithms for the MIMO interference channel

    Article • October 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria, Leonel Soriano Equigua

  59. Improved Detection of SM-SMux Signals for MIMO Channels

    Article • IEEE Latin America Transactions, January 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  60. Multiuser MIMO downlink transmission using spatial modulation

    Article • November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Francisco R. Castillo-Soria

  61. simplification to the fast FIR-FFT filtering technique in the DSP interpolation process for band-limited signals

    Article • Revista Facultad de Ingeniería Universidad de Antioquia, October 2013, Universidad de Antioquia

    Dr. Francisco R. Castillo-Soria

  62. FIFTH AND SIXTH-ORDER ITERATIVE ALGORITHMS WITHOUT DERIVATIVES FOR SOLVING NON-LINEAR EQUATIONS

    Article • International Journal of Pure and Apllied Mathematics, February 2013, Academic Publications

    Dr. Francisco R. Castillo-Soria