A Novel Frame Identification and Synchronization Technique for Smartphone Visible Light Communication Systems Based on Convolutional Neural Networks - Vaigai Nayaki Yokar; Hoa Le Minh; Xicong Li; Wai Lok Woo; Luís Nero Alves; Stanislav Zvanovec; Tran The Son; Zabih Ghassemlooy (CoRR, 2025)

Self-Clocking Constant-Power Multi-Level Scheme for Optical Camera Communication - Vicente Matus; Atiya Fatima Usmani; Monica Figueiredo; Pedro Fonseca; Stanislav Zvanovec; Rafael Pérez Jiménez; Luís Nero Alves (14th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2024, Rome, Italy, July 17-19, 2024, 2024)

Evolution of OWC: A Collaborative Contour Across Various Sectors - Satish Kumar Modalavalasa; Atiya Fatima Usmani; Atiyeh Pouralizadeh Gelehpordesari; Christos Giachoudis; Luis Miguel Giraldo; Raul Zamorano-Illanes; Zabih Ghassemlooy; Stanislav Zvanovec; Volker Jungnickel; Ali Khalighi; Luís Nero Alves; Joaquín Pérez Soler; et al. (14th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2024, Rome, Italy, July 17-19, 2024, 2024)

A Packet-Based Analog m-CAP Visible Light Communication System for Internet of Things - Luís Rodrigues; Monica Figueiredo; Luís Nero Alves; Zabih Ghassemlooy (14th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2024, Rome, Italy, July 17-19, 2024, 2024)

On Using the Raspberry Pi Camera to Receive 8-PAM Signals in Optical Camera Communication - Miguel Rêgo; Vicente Matus; Othman Isam Younus; Alexis A. Dowhuszko; Zabih Ghassemlooy; Monica Figueiredo; Pedro Fonseca; Luís Nero Alves (14th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2024, Rome, Italy, July 17-19, 2024, 2024)

Modeling temperature dynamic effects for high-power light-emitting diodes - Shusmitha Kyatam; Luís Rodrigues; Luís Nero Alves; Stanislav I. Maslovski; Joana C. Mendes (Int. J. Circuit Theory Appl., 2023)

Smartphone Beam Profile in a Screen-to-Camera-Based Optical Communication System - Vaigai Nayaki Yokar; Hoa Le Minh; Zabih Ghassemlooy; Othman Isam Younus; Luís Nero Alves; Wai Lok Woo; Turky Almutairi (17th International Conference on Telecommunications, ConTEL 2023, Graz, Austria, July 11-13, 2023, 2023)

Geometric Pattern-Based Computer Vision Positioning System - Miguel Silva; Miguel Rêgo; Luís Nero Alves; Pedro Fonseca (Robot 2023: Sixth Iberian Robotics Conference - Advances in Robotics, Volume 1, Coimbra, Portugal, 22-24 November 2023, 2023)

Optical Wireless Communications for Underwater Monitoring and Smart Indoor Farming Applications - Alexis A. Dowhuszko; Luís Rodrigues; Luís Nero Alves; Máximo Morales Céspedes; Vicente Matus; Rafael Pérez Jiménez; Julio Francisco Rufo Torres; Alessandro Romano; Anna Maria Vegni; Ikenna Chinazaekpere Ijeh (9th IEEE World Forum on Internet of Things, WF-IoT 2023, Aveiro, Portugal, October 12-27, 2023, 2023)

Visible Light Communication Systems Architectures for the Internet of Things - Luís Rodrigues; Monica Figueiredo; Luís Nero Alves; Zabih Ghassemlooy (9th IEEE World Forum on Internet of Things, WF-IoT 2023, Aveiro, Portugal, October 12-27, 2023, 2023)

Analysis and simulation of a hybrid visible-light/infrared optical wireless network for IoT applications - Thomas Kamalakis; Zabih Ghassemlooy; Stanislav Zvanovec; Luís Nero Alves (JOCN, 2022)

The Usage of ANN for Regression Analysis in Visible Light Positioning Systems - Neha Chaudhary; Othman Isam Younus; Luís Nero Alves; Zabih Ghassemlooy; Stanislav Zvanovec (Sensors, 2022)

An Energy-Efficient Optical Wireless OFDMA Scheme for Medical Body-Area Networks - Md Jahid Hasan; Mohammad Ali Khalighi; Volker Jungnickel; Luís Nero Alves; Bastien Béchadergue (IEEE Trans. Green Commun. Netw., 2022)

Experimental validation of analog m-CAP receivers for Internet of Things - Luís Rodrigues; Monica Figueiredo; Luís Nero Alves; Zabih Ghassemlooy (13th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2022, Porto, Portugal, July 20-22, 2022, 2022)

Impact of Transmitter Topologies on the Performance of Indoor Visible Light Positioning Systems - Neha Chaudhary; Othman Isam Younus; Luís Nero Alves; Zabih Ghassemlooy; Stanislav Zvanovec (13th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2022, Porto, Portugal, July 20-22, 2022, 2022)

A feasibility study on real-time concealed object detection in foliage using STDCC radar - Luís Duarte; Mário Vala; Carlos Ribeiro; Luís Nero Alves; Carlos A. Fernandes; Rafael F. S. Caldeirinha (13th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2022, Porto, Portugal, July 20-22, 2022, 2022)

Transmitter Identification Using Frame Reconstruction in Rolling Shutter Based Systems - Miguel Rêgo; Pedro Fonseca; Luís Nero Alves (13th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2022, Porto, Portugal, July 20-22, 2022, 2022)

Correcting Perspective Distortion for Circle Centerpoint Coordinates in Camera Based Visible Light Positioning - Miguel Rêgo; Pedro Fonseca; Luís Nero Alves (IEEE International Conference on Autonomous Robot Systems and Competitions, ICARSC 2022, Santa Maria da Feira, Portugal, April 29-30, 2022, 2022)

EU cost action on future generation optical wireless communication technologies - newfocus ca19111, a white paper - Mohammad Ali Khalighi; Zabih Ghassemlooy; Stanislav Zvanovec; Nobby Stevens; Luís Nero Alves; Amita Shrestha; Murat Uysal; Anna Maria Vegni; Panagiotis D. Diamantoulakis; Vasilis K. Papanikolaou; George K. Karagiannidis; Beatriz Ortega; et al. (CoRR, 2022)

An Indoor Visible Light Positioning System Using Tilted LEDs with High Accuracy - Neha Chaudhary; Othman Isam Younus; Luís Nero Alves; Zabih Ghassemlooy; Stanislav Zvanovec; Hoa Le Minh (Sensors, 2021)

Optimized Analog Multi-Band Carrierless Amplitude and Phase Modulation for Visible Light Communication-Based Internet of Things Systems - Luís Rodrigues; Monica Figueiredo; Luís Nero Alves (Sensors, 2021)

The Utilization of Artificial Neural Network Equalizer in Optical Camera Communications - Othman Isam Younus; Navid Bani Hassan; Zabih Ghassemlooy; Stanislav Zvanovec; Luís Nero Alves; Hoa Le Minh (Sensors, 2021)

Impact of Transmitter Positioning and Orientation Uncertainty on RSS-Based Visible Light Positioning Accuracy - Neha Chaudhary; Luís Nero Alves; Zabih Ghassemlooy (Sensors, 2021)

Editorial to the Special Issue on "Visible Light Communications, Networking, and Sensing" - Stanislav Zvánovec; Zabih Ghassemlooy; Rafael Pérez Jiménez; Luís Nero Alves (Sensors, 2021)

A Visible Light Positioning System based on Support Vector Machines - Neha Chaudhary; Othman Isam Younus; Zahra Nazari Chaleshtori; Luís Nero Alves; Zabih Ghassemlooy; Stanislav Zvanovec (32nd IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2021, Helsinki, Finland, September 13-16, 2021, 2021)

Impact of Synchronization Errors on the Performance of ACO-OFDMA Signaling for Medical Extra-WBAN Links - Md Jahid Hasan; Mohammad Ali Khalighi; Luís Nero Alves; Bastien Béchadergue (32nd IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2021, Helsinki, Finland, September 13-16, 2021, 2021)

The Impact of Blocking and Shadowing on the Indoor Visible Light Positioning System - Othman Isam Younus; Neha Chaudhary; Zahra Nazari Chaleshtori; Zabih Ghassemlooy; Luís Nero Alves; Stanislav Zvanovec (32nd IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2021, Helsinki, Finland, September 13-16, 2021, 2021)

Data Rate Enhancement in Optical Camera Communications Using an Artificial Neural Network Equaliser - Othman Isam Younus; Navid Bani Hassan; Zabih Ghassemlooy; Paul Anthony Haigh; Stanislav Zvanovec; Luís Nero Alves; Hoa Le Minh (IEEE Access, 2020)

Impact of Transmitter Positioning Uncertainty on RSS-based Visible Light Positioning Accuracy - Neha Chaudhary; Luís Nero Alves; Zabih Ghassemlooy (12th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2020, Porto, Portugal, July 20-22, 2020, 2020)

All-digital reconfigurable STDCC radar baseband implementation in FPGA - Luís Duarte; Carlos Ribeiro; Luís Nero Alves; Rafael F. S. Caldeirinha (12th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2020, Porto, Portugal, July 20-22, 2020, 2020)

A Polynomial Analog Baseband Predistorter for Compensation of Wireless Amplifier's Distortion - Sepideh Mohammadi Kouhini; Elnaz Alizadeh Jarchlo; Sasan Khademi; Zabih Ghassemlooy; Luís Nero Alves (12th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2020, Porto, Portugal, July 20-22, 2020, 2020)

Exploring the Design Space of Relaying Neurons for OWC Networks at the Nanoscale - João Pandeirada; Luís Nero Alves; Zabih Ghassemlooy (12th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2020, Porto, Portugal, July 20-22, 2020, 2020)

Analog m-CAP demodulation for VLC-based IoT systems - Luís Rodrigues; Monica Figueiredo; Luís Nero Alves (12th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2020, Porto, Portugal, July 20-22, 2020, 2020)

Optical Camera Communications with Convolutional Neural Network for Vehicle-toVehicle Links - Miguel Roque Soares; Neha Chaudhary; Elizabeth Eso; Othman Isam Younus; Luís Nero Alves; Zabih Ghassemlooy (12th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2020, Porto, Portugal, July 20-22, 2020, 2020)

An Artificial Neural Network Equalizer for Constant Power 4-PAM in Optical Camera Communications - Othman Isam Younus; Navid Bani Hassan; Zabih Ghassemlooy; Stanislav Zvanovec; Luís Nero Alves; Paul Anthony Haigh; Hoa Le Minh (12th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2020, Porto, Portugal, July 20-22, 2020, 2020)

Editorial - Murat Uysal; Luís Nero Alves; Julian Cheng; Harsha Chenji; Majid Safari (Phys. Commun., 2018)

On the Usage of Machine Learning Techniques to Improve Position Accuracy in Visible Light Positioning Systems - Andre Gradim; Pedro Fonseca; Luís Nero Alves; Reem E. Mohamed (11th International Symposium on Communication Systems, Networks & Digital Signal Processing, CSNDSP 2018, Budapest, Hungary, July 18-20, 2018, 2018)

Implementation of an OWC channel emulator in FPGA - Luís Rodrigues; Luís Duarte; Joao Pandeirada; Luís Nero Alves; Ales Dobesch; Lukas Janik; Marek Novák; Otakar Wilfert (11th International Symposium on Communication Systems, Networks & Digital Signal Processing, CSNDSP 2018, Budapest, Hungary, July 18-20, 2018, 2018)

Lighting the Wireless World: The Promise and Challenges of Visible Light Communication - Monica Figueiredo; Luís Nero Alves; Carlos Ribeiro (IEEE Consumer Electron. Mag., 2017)

Measuring Torque and Temperature in a Rotating Shaft Using Commercial SAW Sensors - Diogo Silva; Joana C. Mendes; António B. Pereira; François Gégot; Luís Nero Alves (Sensors, 2017)

Consumer LED lamp with ODAC technology for high-speed visible light communications - Monica Figueiredo; Carlos Ribeiro; Ales Dobesch; Luís Nero Alves; Otakar Wilfert (IEEE Trans. Consumer Electron., 2017)

Thermal analysis of high power LEDs using different PCB materials - Shusmitha Kyatam; Pedro Camacho; Luís Rodrigues; Luís Nero Alves; Joana Catarina Mendes; Monica Carvalho Figueiredo (2017 European Conference on Circuit Theory and Design, ECCTD 2017, Catania, Italy, September 4-6, 2017, 2017)

On the dynamics of accelerated observers in Special Relativity - P. Martins; Luís Nero Alves; Joana C. Mendes (2017 European Conference on Circuit Theory and Design, ECCTD 2017, Catania, Italy, September 4-6, 2017, 2017)

DLL architecture for OFDM based VLC transceivers in FPGA - Luís Duarte; Luís Rodrigues; Luís Nero Alves; Carlos Ribeiro; Monica Figueiredo (10th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2016, Prague, Czech Republic, July 20-22, 2016, 2016)

Live demonstration: 150Mbps+ DCO-OFDM VLC - Monica Figueiredo; Carlos Ribeiro; Luís Nero Alves (IEEE International Symposium on Circuits and Systems, ISCAS 2016, Montréal, QC, Canada, May 22-25, 2016, 2016)

Complexity reduction methods for fast motion estimation in HEVC - Purnachand Nalluri; Luís Nero Alves; Antonio Navarro (Signal Process. Image Commun., 2015)

Memristor state-space embedding - Wael Dghais; Luís Nero Alves; Joana Catarina Mendes; Jonathan Rodriguez; José Carlos Pedro (European Conference on Circuit Theory and Design, ECCTD 2015, Trondheim, Norway, August 24-26, 2015, 2015)

On the usage of harmonic balance to simulate memristive devices and circuits - Rathnakannan Kailasam; Luís Nero Alves; Joana Catarina Mendes; José Carlos Pedro (European Conference on Circuit Theory and Design, ECCTD 2015, Trondheim, Norway, August 24-26, 2015, 2015)

A real-time platform for collaborative research on Visible Light Communication - Carlos Ribeiro; Monica Figueiredo; Luís Nero Alves (4th International Workshop on Optical Wireless Communications, IWOW 2015, Istanbul, Turkey, September 7-8, 2015, 2015)

Electronic shelf labeling employing visible light communication concepts - João Paulo Barraca; Luís Nero Alves; Monica Figueiredo (9th International Symposium on Communication Systems, Networks & Digital Signal Processing, CSNDSP 2014, Manchester, UK, July 23-25, 2014, 2014)

High speed SAD architectures for variable block size motion estimation in HEVC video coding - Purnachand Nalluri; Luís Nero Alves; Antonio Navarro (2014 IEEE International Conference on Image Processing, ICIP 2014, Paris, France, October 27-30, 2014, 2014)

On the performance of digital to analog conversion in the optical domain - Ales Dobesch; Luís Nero Alves; Otakar Wilfert (16th International Conference on Transparent Optical Networks, ICTON 2014, Graz, Austria, July 6-10, 2014, 2014)

Frequency characterization of memristive devices - João Capela Duarte; Ernesto Ventura Martins; Luís Nero Alves (21st European Conference on Circuit Theory and Design, ECCTD 2013, Dresden, Germany, September 8-12, 2013, 2013)

Folded-cascode transimpedance amplifiers employing a CMOS inverter as input stage - Elton N. Lima; José Luis Cura; Luís Nero Alves (21st European Conference on Circuit Theory and Design, ECCTD 2013, Dresden, Germany, September 8-12, 2013, 2013)

Amplitude characterization of memristive devices - João Capela Duarte; Ernesto Ventura Martins; Luís Nero Alves (20th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2013, Abu Dhabi, UAE, December 8-11, 2013, 2013)

Delayed feedback amplifiers with maximum flat group delay - Dinka Milovancev; Luís Nero Alves (20th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2013, Abu Dhabi, UAE, December 8-11, 2013, 2013)

Bandwidth improvements in transimpedance amplifiers for visible-light receiver front-ends - José Luis Cura; Luís Nero Alves (20th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2013, Abu Dhabi, UAE, December 8-11, 2013, 2013)

A novel SAD architecture for variable block size motion estimation in HEVC video coding - Purnachand Nalluri; Luís Nero Alves; Antonio Navarro (2013 International Symposium on System on Chip, ISSoC 2013, Tampere, Finland, October 23-24, 2013, 2013)

Visible Light Communication System for outdoor applications - Nuno Lourenço; Domingos Terra; Navin Kumar; Luís Nero Alves; Rui L. Aguiar (8th International Symposium on Communication Systems, Networks & Digital Signal Processing, CSNDSP 2012, Poznan, Poland, July 18-20, 2012, 2012)

Fast Motion Estimation Algorithm for HEVC - Purnachand Nalluri; Luís Nero Alves; Antonio Navarro (IEEE Second International Conference on Consumer Electronics - Berlin, ICCE-Berlin 2012, Berlin, Germany, September 3-5, 2012, 2012)

Understanding large swing and low swing operation in DyCML gates - Tiago Borges; Ernesto Ventura Martins; Luís Nero Alves (19th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2012, Seville, Spain, December 9-12, 2012, 2012)

A multi-valued 350nm CMOS voltage reference - Nuno Lourenço; Luís Nero Alves; José Luis Cura (19th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2012, Seville, Spain, December 9-12, 2012, 2012)

Visible light communications in intelligent transportation systems - Navin Kumar; Nuno Lourenço; Domingos Terra; Luís Nero Alves; Rui L. Aguiar (2012 IEEE Intelligent Vehicles Symposium, IV 2012, Alcal de Henares, Madrid, Spain, June 3-7, 2012, 2012)

Design, development and performance analysis of DSSS-based transceiver for VLC - Domingos Terra; Navin Kumar; Nuno Lourenço; Luís Nero Alves; Rui L. Aguiar (Proceedings of EUROCON 2011, International Conference on Computer as a Tool, 27-29 April 2011, Lisbon, Portugal, 2011)

Visible light communication for intelligent transportation in road safety applications - Navin Kumar; Domingos Terra; Nuno Lourenço; Luís Nero Alves; Rui L. Aguiar (Proceedings of the 7th International Wireless Communications and Mobile Computing Conference, IWCMC 2011, Istanbul, Turkey, 4-8 July, 2011, 2011)

A new technique to achieve exact and controllable voltage gain relations in feedback amplifiers - Luís Nero Alves; José Luis Cura (19th European Conference on Circuit Theory and Design, ECCTD 2009, Antalya, Turkey, August 23-27, 2009, 2009)

A time-delay technique to improve GBW on negative feedback amplifiers - Luís Nero Alves; Rui L. Aguiar (Int. J. Circuit Theory Appl., 2008)

General Model for the Deployment of Time-Delay Elements in Transistorized Electronic Circuits - Luís Nero Alves; Luis Barbosa; Rui L. Aguiar (13th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2006, Nice, France, December 10-13, 2006, 2006)

General model for delayed feedback and its application to transimpedance amplifier's bandwidth optimization - Luís Nero Alves; Luis Barbosa; E. A. L. Macedo; Rui L. Aguiar (International Symposium on Circuits and Systems (ISCAS 2006), 21-24 May 2006, Island of Kos, Greece, 2006)

On the usage of delayed-feedback in amplifiers - Luís Nero Alves; Rui L. Aguiar (Proceedings of the 2005 European Conference on Circuit Theory and Design, ECCTD 2005, Cork, Ireland, August 29th - September 1st 2005, 2005)

Bandwidth boosting in transimpedance amplifiers for optical LANs, using delayed feedback - N. Martins; Luis Barbosa; Luís Nero Alves; Rui L. Aguiar (12th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2005, Gammarth, Tunisia, December 11-14, 2005, 2005)

On the effect of time delays in negative feedback amplifiers - Luís Nero Alves; Rui L. Aguiar (International Symposium on Circuits and Systems (ISCAS 2005), 23-26 May 2005, Kobe, Japan, 2005)

A new method to improve the impedance of the CC-II's X input - Luís Nero Alves; Rui L. Aguiar (Proceedings of the 2004 11th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2004, Tel Aviv, Israel, December 13-15, 2004, 2004)

Extending the Laplace expansion method to the frequency response analysis of active RLC circuits - Luís Nero Alves; Rui L. Aguiar (Proceedings of the 2003 10th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2003, Sharjah, United Arab Emirates, December 14-17, 2003, 2003)

Frequency behavior of classical current mirrors [CMOS] - Luís Nero Alves; Rui L. Aguiar (Proceedings of the 2002 9th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2002, Dubrovnik, Croatia, September 15-18, 2002, 2002)

Noise performance of classical current mirrors - Luís Nero Alves; Rui L. Aguiar (Proceedings of the 2002 9th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2002, Dubrovnik, Croatia, September 15-18, 2002, 2002)

Maximizing bandwidth in CCII for wireless optical applications - Luís Nero Alves; Rui L. Aguiar (Proceedings of the 2001 8th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2001, Malta, September 2-5, 2001, 2001)

A test bed for wireless optical LANs - Rui L. Aguiar; António R. Tavares; Luís Nero Alves; Rui Valadas; Dinis Magalhães Santos (Proceedings of the 2001 8th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2001, Malta, September 2-5, 2001, 2001)

An eight-sector wireless infrared receiver - Luís Nero Alves; José Luis Cura; Rui L. Aguiar; Dinis M. Santos (Proceedings of the 2000 7th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2000, Jounieh, Lebanon, December 17-20, 2000, 2000)

A sectored receiver for infrared wireless networks - Luís Nero Alves; Rui L. Aguiar; Eduardo de Vasconcelos; José Luis Cura (IEEE International Symposium on Circuits and Systems, ISCAS 2000, Emerging Technologies for the 21st Century, Geneva, Switzerland, 28-31 May 2000, Proceedings, 2000)

A differential current-conveyor based buffer for high-bandwidth, low-signal applications - Luís Nero Alves; Rui L. Aguiar (6th IEEE International Conference on Electronics, Circuits and Systems, ICECS 1999, Pafos, Cyprus, September 5-8, 1999, 1999)