Publications

2025

• K. Metaxas, N. Eleftheriou, Y. Kominis, P. P. Sotiriadis, "Complex Synchronization Dynamics of Electronic Oscillators–Part II: Simulations and Validation of Phase-Amplitude Reduced Models", Circuits and Systems, IEEE, 2025, doi: 10.1109/OJCAS.2025.3592750
• K. Metaxas, P. P. Sotiriadis, Y. Kominis, "Complex Synchronization Dynamics of Electronic Oscillators–Part I: A Time-Domain Approach via Phase-Amplitude Reduced Models", Circuits and Systems, IEEE, 2025, doi: 10.1109/OJCAS.2025.3592773
• A. Stylianou, K. Polemidiotou, V. Alimisis, F. Mpekris, C. Voutouri, M. Mari, G. Filippidis, A. Zachariades, S.-V. Kontomaris, P. P. Sotiriadis, V. Gkretsi and T. Stylianopoulos, "Atomic Force Microscopy-Based Nanomechanical Signatures For Staging Classification and Drug Response In Pulmonary Fibrosis", Small, Wiley, 2025.
• V. Alimisis, V. Moustakas, K. Cheliotis, A. Mylona and P.P. Sotiriadis, "An Analog ReLu-based Decision Tree Circuit Architecture for Biomedical Application", Analog Integrated Circuits and Signal Processing, Springer, 2025.
• V. Alimisis, K. Cheliotis, V. Moustakas, A. Mylona, C. Dimas, and P.P. Sotiriadis, "A Design Methodology for Analog Integrated Artificial Neural Networks Circuits: Architectures, Design and Training", Analog Integrated Circuits and Signal Processing, Springer, 2025.
• Vassilis Alimisis, Vasileios Moustakas, Konstantinos Cheliotis, Christos Dimas, Paul P. Sotiriadis, "A Power and Area Efficient Analog Classifier for Electrical Impedance Tomography Applications", Circuits, Systems & Signal Processing (CSSP), 2025.
• Z. Foufas, V. Alimisis, P. P. Sotiriadis, "Design of a Low-Power Analog Integrated Deep Convolutional Neural Network", IEEE Transactions on Very Large Scale Integration (VLSI) Systems (TVLSI), 2025.
• B. Mishra, A. Basu, F. Shehadeh, L. Felix, S. S. Kollala, Y. S. Chhonker, M. T. Naik, C. Dellis, L. Zhang, N. Ganesan, D. J. Murry, J. Gu, M. B. Sherman, F. M. Ausubel, P. P. Sotiriadis, and E. Mylonakis, "Antimicrobial Peptide Developed with Machine Learning Sequence Optimization Targets Drug Resistant Staphylococcus aureus in Mice", The Journal of Clinical Investigation, 2025. doi: 10.1172/JCI185430
• K. Metaxas, V. Alimisis, C. Oustoglou, Y. Kominis and P. P. Sotiriadis, "Nonlinear Analysis of Differential LC Oscillators and Injection Locked Frequency Dividers", IEEE Open Journal of Circuits and Systems, 2025, doi: 10.1109/OJCAS.2025.3545904

2024

• V. Alimisis, A. Papathanasiou, E. Georgakilas, N.P. Eleftheriou and P. P. Sotiriadis, "An ultra-low power adjustable current-mode analog integrated general purpose artificial neural network classifier", AEU-International Journal of Electronics and Communications 186 (2024): 155467, 2024.
• K. Koniavitis, V. Alimisis, N. Uzunoglu and P. P. Sotiriadis, "An Analog Integrated Multiloop LDO: From Analysis to Design", Electronics, 13(18), 3602, 2024.
• V. Alimisis, E.A. Serlis, A. Papathanasiou, N.P. Eleftheriou and P. P. Sotiriadis, "Power-Efficient Analog Hardware Architecture of the Learning Vector Quantization Algorithm for Brain Tumor Classification", IEEE Transactions on Very Large Scale Integration (VLSI) Systems, 2024.
• V. Alimisis, C. Aletraris, N.P. Eleftheriou, E.A. Serlis, A. James and P. P. Sotiriadis, "Low-Power Analog Integrated Architecture of the Voting Classification Algorithm for Diabetes Disease Prediction", IEEE Transactions on Biomedical Circuits and Systems, 2024.
• V. Alimisis, D. G. Arnaoutoglou, E.A. Serlis, A. Kamperi, K. Metaxas, G. Kyriacou and P. P. Sotiriadis, "A radar-based system for detection of human fall utilizing analog hardware architectures of decision tree model", IEEE Open Journal of Circuits and Systems, 2024.
• Christos Dimas, Vassilis Alimisis, Paul P. Sotiriadis, "A Low-Power Analog Integrated Euclidean Distance Radial Basis Function Classifier", Electronics, MDPI, 13, 5, 921, 2024.
• Christos Dimas, Vassilis Alimisis, Nikolaos Uzunoglu, Paul Sotiriadis, "Advances in Electrical Impedance Tomography Inverse Problem Solution Methods: From Traditional Regularization to Deep Learning", IEEE Access, 2024.
• Fadi Shehadeh, Lewis Oscar Felix, Markos Kalligeros, Adnan Shehadeh, Beth Fuchs, Frederick Ausubel, Paul Sotiriadis, Eleftherios Mylonakis, "Machine Learning-assisted High-throughput Screening for Anti-MRSA Compounds", IEEE/ACM Transactions on Computational Biology and Bioinformatics, 2024.
• Vassilis Alimisis, Nikolaos P. Eleftheriou, Evangelos Georgakilas, Christos Dimas, Nikolaos Uzunoglu, Paul P. Sotiriadis, "A Low Power Analog Integrated Fractional Order Type-2 Fuzzy PID Controller", Fractal Fract, 2024.
• C. Dimas, V. Alimisis, N. Uzunoglu and P. P. Sotiriadis, "Advances in Electrical Impedance Tomography Inverse Problem Solution Methods: From Traditional Regularization to Deep Learning", IEEE Access, DOI: 10.1109/ACCESS.2024.3382939

2023

• D. Baxevanakis, D. Nikitas and P. P. Sotiriadis, "Class–CTA: Concept and Theoretical Analysis of a High Linearity and Efficiency Power Stage Architecture", IEEE Open Journal of Circuits and Systems, doi: 10.1109/OJCAS.2023.3329723
• K. Papafotis, P. P. Sotiriadis, "MAGINAV: Long-Term Accurate Navigation Algorithm using Inertial and Magnetic Field Sensor Fusion", IEEE Access, DOI: 10.1109/ACCESS.2023.0322000
• V. Alimisis, N. P. Eleftheriou, A. Kamperi, G. Gennis, C. Dimas, P. P. Sotiriadis, "General Methodology for the Design of Bell-Shaped Analog-Hardware Classifiers", Electronics 2023, 12, 4211, DOI: 10.3390/electronics12204211
• E. Georgakilas, V. Alimisis, G. Gennis, C. Aletraris, C. Dimas, P. P. Sotiriadis, "An Ultra-low power fully-programmable Analog general purpose type-2 Fuzzy Inference System", International Journal of Electronics and Communications, 170, 154824, 2023.
• N. Temenos and P. P. Sotiriadis, "A Markov Chain Framework for Modeling the Statistical Properties of Stochastic Computing Finite-State Machines", IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 42, no. 6, pp. 1965-1977, June 2023, doi: 10.1109/TCAD.2022.3211487.
• Vassilis Alimisis, Georgios Gennis, Marios Gourdouparis, Christos Dimas, Paul P. Sotiriadis, "A Low-Power Analog Integrated Implementation of the Support Vector Machine Algorithm with on chip learning tested on a Bearing Fault Application", Sensors, 2023.
• Paul P. Sotiriadis, Jie Han, M Hassan Najafi, Josep Lluis Rossello Sanz, Guest Editorial "Unconventional Computing Techniques for Emerging Technology Applications", IEEE Journal on Emerging and Selected Topics in Circuits and Systems, Vol. 13, No. 1, March 2023, doi: 10.1109/JETCAS.2023.3251059
• K. Papafotis, D. Nikitas, C. Oustoglou, Paul P. Sotiriadis, "A Class of Inertial Measurement Units for Low-Noise Angular Velocity Estimation", IEEE Transactions on Instrumentation and Measurement, 2023.
• N. Temenos and P. P. Sotiriadis, "A Stochastic Computing Sigma-Delta Adder Architecture for Efficient Neural Network Design", IEEE Journal on Emerging and Selected Topics in Circuits and Systems, 2023, DOI: 10.1109/JETCAS.2023.3243950

2022

• K. Touloupas, P.P. Sotiriadis, "Mixed-Variable Bayesian Optimization for Analog Circuit Sizing through Device Representation Learning", Electronics, 2022, DOI: 10.3390/electronics11193127.
• K. Papafotis, D. Nikitas, P. P. Sotiriadis, "Improving Gyroscope’s Noise Performance Using Multiple Accelerometers in a Closed-Loop Configuration", IEEE Sensors Journal, 2022, DOI: 10.1109/JSEN.2022.3207110.
• V. Alimisis, V. Mouzakis, G. Gennis, E. Tsouvalas, C. Dimas, P. P. Sotiriadis, "A Hand Gesture Recognition Circuit Utilizing an Analog Voting Classifier", Electronics, MDPI, 2022.
• G. Gennis, V. Alimisis, C. Dimas, P. P. Sotiriadis, "A general purpose, low power, analog integrated image edge detector, based on a current‑mode Gaussian function circuit", Analog Integrated Circuits and Signal Processing 2022, 1-12, 2022.
• V. Alimisis, G. Gennis, K. Touloupas, C. Dimas, M. Gourdouparis, P. P. Sotiriadis, “Gaussian Mixture Model classifier analog integrated low-power implementation with applications in fault management detection”, Microelectronics Journal, Elsevier 2022.
• V. Alimisis, G. Gennis, C. Dimas, M. Gourdouparis, P. P. Sotiriadis, “An ultra low power analog integrated radial basis function classifier for smart IoT systems”, Analog Integrated Circuits and Signal Processing 2022, 1-12, 2022.
• P. P. Sotiriadis, N. Temenos, “Compact MAX and MIN Stochastic Computing Architectures” Elsevier Integration, Article in Press, 2022.
• V. Alimisis, G. Gennis, K. Touloupas, C. Dimas, N. Uzunoglu, P. P. Sotiriadis, “Nanopower Integrated Gaussian Mixture Model Classifier for Epileptic Seizure Prediction”, Bioengineering 2022, 9, 160.
• N. Temenos, P. P. Sotiriadis, “Modeling a Stochastic Computing Non-Scaling Adder and its Application in Image Sharpening”, IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69, no. 5, pp. 2543 - 2547, May 2022.
• N. Temenos, A. Vlachos, P. P. Sotiriadis, "Efficient Stochastic Computing FIR Filtering Using Sigma-Delta Modulated Signals ", Technologies 2022, 10, 14.
• C. Dimas, N. Uzunoglu, P.P. Sotiriadis, "An efficient Point-Matching Method-of-Moments for 2D and 3D Electrical Impedance Tomography Using Radial Basis functions", IEEE Trans. on Biomedical Engineering, vol. 69, no. 2, pp. 783-794, Feb. 2022.

2021

• Dimas, V. Alimisis, N. Uzunoglu, P. P. Sotiriadis, "A Point-Matching Method of Moment with Sparse Bayesian Learning Applied and Evaluated in Dynamic Lung Electrical Impedance Tomography", Bioengineering 2021, 8, 191.
• V. Alimisis, M. Gourdouparis, G. Gennis, C. Dimas, P.P. Sotiriadis, "Analog Gaussian Function Circuit: Architectures, Operating Principles and Applications", Electronics, 2021, 10, 2530.
• K. Touloupas, P.P. Sotiriadis, "LoCoMOBO: A Local Constrained Multi-Objective Bayesian Optimization for Analog Circuit Sizing", IEEE Trans. on Computer-Aided Design of Integrated Circuits and Systems, 2021.
• N. Temenos, P. P. Sotiriadis, "Stochastic Computing Max & Min Architectures Using Markov Chains: Design, Analysis, and Implementation", IEEE TVLSI, vol. 29, no. 11, pp. 1813-1823, Nov. 2021.
  
• N. Temenos, P.P. Sotiriadis, "Non-Scaling Adders and Subtracters for Stochastic Computing using Markov Chains", IEEE Trans. on Very Large Scale Integration Systems, vol. 29, no. 9, pp. 1612-1623, Sept. 2021.
• C. Dimas, V. Alimisis, I. Georgakopoulos, N. Voudoukis, N. Uzunoglu, P.P. Sotiriadis, "Analysis, Simulation, and Development of a Low-Cost Fully Active-Electrode Bioimpedance Measurement Module", Technologies 2021, 9, 59.
• C. Dimas, V. Alimisis, I. Georgakopoulos, N. Voudoukis, N. Uzunoglu, P.P. Sotiriadis, "Evaluation of Thoracic Equivalent Multiport Circuits Using an Electrical Impedance Tomography Hardware Simulation Interface", Technologies 2021, 9, 58.
• K. Papafotis, D. Nikitas, P.P. Sotiriadis, "Magnetic Field Sensors’ Calibration: Algorithms’ Overview and Comparison", Sensors 2021, 21, 5288.
• D. Baxevanakis, P.G. Zarkos, C.G. Adamopoulos, I. Vassiliou, P.P. Sotiriadis, "Design optimization guidelines for a class of RF switched-capacitor power amplifiers", AEÜ - Int. Journal of Electronics and Communications, Volume 138, August 2021, 153876.
• P.P. Sotiriadis, C.G. Adamopoulos, D. Baxevanakis, P.G. Zarkos, I. Vassiliou, "RF Switched-Capacitor Power Amplifier Modeling", IEEE Trans. on Computer-Aided Design of Integrated Circuits and Systems, vol. 40, no. 8, pp. 1525-1530, Aug. 2021.
• M. Gourdouparis, V. Alimisis, C. Dimas, P.P. Sotiriadis, "An ultra-low power, ± 0.3 V supply, fully-tunable Gaussian function circuit architecture for radial-basis functions analog hardware implementation", AEÜ - Int. Journal of Electronics and Communications, Volume 136, July 2021, 153755.
• N. Hadjigeorgiou, K. Asimakopoulos, K. Papafotis, P.P. Sotiriadis, "Vector Magnetic Field Sensors: Operating Principles, Calibration and Applications," IEEE Sensors Journal, vol. 21, no. 11, pp. 12531-12544, 1 June1, 2021.
• P.P. Sotiriadis, K. Papafotis, "Accurate Analytical Accelerometer–Magnetometer Axes Alignment Guaranteeing Exact Orthogonality," IEEE Trans. on Instrumentation and Measurement, vol. 70, pp. 1-7, 2021.
• D. Baxevanakis, V. Alimisis, P.P. Sotiriadis, "An intermodulation distortion estimation method for linear CMOS circuits", Int. Journal of Circuit Theory and Applications, 2021; 49: 1244–1260.
• P.P. Sotiriadis, K. Papafotis, "A Single-Step Method for Accelerometer and Magnetometer Axes Alignment", IEEE Trans. on Instrumentation and Measurement, vol. 70, pp. 1-7, 2021.
• D. Baxevanakis, P.P. Sotiriadis, "A General Time-Domain Method for Harmonic Distortion Estimation in CMOS Circuits", IEEE Trans. on Computer-Aided Design of Integrated Circuits and Systems, vol. 40, no. 1, pp. 157-170, Jan. 2021.

2020

• V. Alimisis, C. Dimas, G. Pappas, P.P. Sotiriadis, "Analog Realization of Fractional-Order Skin-Electrode Model for Tetrapolar Bio-Impedance Measurements". Technologies 2020, 8, 61.
• K. Papafotis, P.P. Sotiriadis, "A Fast and Accurate Accelerometer and Magnetometer Alignment Algorithm", IEEE Sensors Journal, vol. 20, no. 24, pp. 15061-15067, 15 Dec.15, 2020.
  
• N. Hadjigeorgiou, K. Papafotis, P.P. Sotiriadis, "Exploring AMR Sensor's Performance Limits Using an Agile, High-Speed Set-Reset Pulse Generation Circuit", IEEE Trans. on Magnetics, vol. 56, no. 9, pp. 1-10, Sept. 2020.
• K. Papafotis, P.P. Sotiriadis, "Multiple Accelerometers and Magnetometers Joint Calibration and Alignment”, IEEE Sensors Letters, Vol. 4, Issue 3, March 2020, pp. 2475-1472.
• C. Dimas, N. Uzunoglu, P.P. Sotiriadis, "A parametric EIT system Spice simulation with phantom equivalent circuits”, Technologies 2020, 8, 13. [Invited]
• K. Papafotis, P.P. Sotiriadis, "Accelerometer and Magnetometer Joint Calibration and Axes Alignment", Technologies 2020, 8, 11. [Invited]
• N. Voudoukis, C. Dimas, K. Asimakopoulos, D. Baxevanakis, K. Papafotis, K. Oustoglou, P.P. Sotiriadis, "The Importance of Introducing the OCTC Method to Undergraduate Students as a Tool for Circuit Analysis and Amplifier Design”, Technologies 2020, 8, 7. [Invited]
• N. Hadjigeorgiou, P.P. Sotiriadis, “Parasitic Capacitances, Inductive Coupling and High-Frequency Behavior of AMR Sensors”, IEEE Sensors Journal, vol. 20, no. 5, pp. 2339-2347, 1 March1, 2020.

2010—2019

• K. Touloupas, P.P. Sotiriadis, “Magnitude-Only Modeling for Sigma-Delta Modulator Characterization”, AEÜ - Int. Journal of Electronics and Communications, Volume 112, December 2019, 152936.
• A. Tsitouras, P.P. Sotiriadis, "Design of a sub-1V CMOS reference voltage generator", Microelectronics Journal 91 (2019): 92-99.
• K. Papafotis, P.P. Sotiriadis, "MAG.I.C.AL. – A Unified Methodology for Magnetic and Inertial Sensors Calibration and Alignment", IEEE Sensors Journal, vol. 19, no. 18, pp. 8241-8251, 15 Sept.15, 2019.
• P.P. Sotiriadis, “Spurs-Free Single-Bit-Output All-Digital Frequency Synthesizers With Forward and Feedback Spurs and Noise Cancelation”, IEEE Trans. on Circuits and Systems—I, Vol. 63, No. 5, May 2016, pp. 567-576.
• C. Basetas, P.P. Sotiriadis, “A Class of 1-Bit Multi-Step Look-Ahead Σ-Δ Modulators”, IEEE Trans. on Circuits and Systems—I, Vol. 64, Νο. 1, Jan. 2017, pp. 24-37.
• P.P. Sotiriadis, “Single-Bit All Digital Frequency Synthesis Using Homodyne Sigma-Delta Modulation”, IEEE Trans. on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 64, No. 2, Feb. 2017, pp. 463 – 474.
• P.P. Sotiriadis, N. Miliou, “Single-Bit Digital Frequency Synthesis via Dithered Nyquist-rate Sinewave Quantization”, IEEE Trans. on Circuits and Systems—I, Vol. 61, Issue 1, 2014, pp. 61-73.
• P.P. Sotiriadis, K. Galanopoulos, “Direct All-Digital Frequency Synthesis Techniques, Spurs Suppression, and Deterministic Jitter Correction”, IEEE Trans. on Circuits and Systems—I, Vol. 59, No. 5, May 2012, pp. 958-968.
• W. Ling, P.P. Sotiriadis, “A Nearly All-Digital Frequency Mixer Based on Nonlinear Digital-to Analog Conversion and Intermodulation Cancellation”, IEEE Trans. on Circuits and Systems—I, Vol. 58, No. 8, Aug. 2011, pp. 1695-1704.
• P.P. Sotiriadis, “Exact Spectrum and Time-Domain Output of Flying-Adder Frequency Synthesizers”, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 57, No. 9, Sep. 2010, pp. 1926-1935.
• P.P. Sotiriadis, “Theory of Flying-Adder Frequency Synthesizers Part II: Time and Frequency Domain Properties of the Output Signal”, IEEE Trans. on Circuits and Systems—I, Vol. 57, No. 8, Aug. 2010, pp. 1949-1963. [2012 IEEE Guillemin-Cauer Award]
• P.P. Sotiriadis, “Theory of Flying-Adder Frequency Synthesizers Part I: Modeling, Signals Periods and Output Average Frequency”, IEEE Trans. on Circuits and Systems—I, Vol. 57, No. 8, Aug. 2010, pp. 1935-1948. [2012 IEEE Guillemin-Cauer Award]
• D. Loizos, P.P. Sotiriadis, G. Cauwenberghs, “A SiGe BiCMOS 8-Channel Multi-Dithering, Sub-Microsecond Adaptive Controller”, IEEE Trans. on Circuits and Systems—I, Vol. 57, No. 1, Jan. 2010, pp. 53-63.

2000—2009

• T. Koch, A. Lapidoth, P.P. Sotiriadis, “Channels that Heat Up”, IEEE Trans. on Information Theory, Vol. 55, No. 8, Aug. 2009, pp. 3594-3612.
• D. Loizos, P.P. Sotiriadis, G. Cauwenberghs, “A Translinear SiGe BiCMOS Current-Controlled Oscillator with 80Hz-800MHz Tuning Range”, Journal of Analog Integrated Circuits and Signal Processing, 2008.
• P.P. Sotiriadis, “Cascaded Diophantine Frequency Synthesis”, IEEE Trans. on Circuits and Systems—I, Vol. 55, No. 3, Apr. 2008, pp. 741-751.
• P.P. Sotiriadis, “Diophantine Frequency Synthesis for Fast-Hopping, High-Resolution Frequency Synthesizers”, IEEE Trans. on Circuits and Systems—II, Vol. 55, Is. 4, Apr. 2008, pp. 374-378.
• P.P. Sotiriadis, G. Weaver, “Diophantine Frequency Synthesizer Design for Timekeeping Systems”, International Journal of Navigation and Observation, Vol. 2008, Article ID 416958.
• P.P. Sotiriadis, A. Celik, D. Loizos, Z. Zhang, “Fast State-Space Harmonic-Distortion Estimation in Weakly Nonlinear Gm-C Filters”, IEEE Trans. on Circuits and Systems—I, Vol. 54, No. 1, Jan. 2007, pp. 218-228.
• A. Celik, Z. Zhang, P.P. Sotiriadis, “A State-Space Approach to Intermodulation Distortion Estimation in Fully Balanced Band-Pass Gm-C Filters with Weak Nonlinearities”, IEEE Trans. on Circuits and Systems—I, Vol. 54, No. 4, April 2007, pp. 829-844.
• P.P. Sotiriadis, “Diophantine Frequency Synthesis”, IEEE Trans. on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 53, No. 11, Nov. 2006, pp. 1988-1998.
• El-Sharkawy, P.P. Sotiriadis, P. Bottomley, E. Atalar, “Absolute Temperature Monitoring using RF Radiometry in the MRI Scanner”, IEEE Trans. on Circuits & Systems—I, Vol. 53, No. 11, Nov. 2006, pp. 2396–2404.
• D. Loizos, P.P. Sotiriadis, “A Quadrature Sinusoidal Oscillator with Phase-Preserving Wide-Range Linear Frequency Tunability and Frequency-Independent Amplitude”, IEEE Trans. on Circuits and Systems—II. Vol. 53, No. 11, Nov. 2006, pp. 1279-1283.
• P.P. Sotiriadis, “Information Capacity of Nanowire Crossbar Switching Networks”, IEEE Trans. on Information Theory, Vol. 52, No. 7, July 2006, pp. 3019-3032.
• Z. Zhang, A. Celik, P.P. Sotiriadis, “State-Space Harmonic Distortion Modeling in Weakly Nonlinear, Fully Balanced Gm-C Filters - A Modular Approach Resulting in Closed Form Solutions” , IEEE Trans. on Circuits and Systems—I, Vol. 53, No. 1, Jan. 2006, pp. 48-59.
• P.P. Sotiriadis, A. Chandrakasan, “Bus Energy Reduction by Transition Pattern Coding Using a Detailed Deep Submicrometer Bus Model”, IEEE Trans. on Circuits and SystemsI, Vol. 50, No. 10, Oct. 2003, pp. 1280-1295.
• P.P. Sotiriadis, V. Tarokh, A. Chandrakasan, “Energy Reduction in VLSI Computation Modules: An Information - Theoretic Approach”, IEEE Trans. on Information Theory, April 2003, Vol. 49, No. 4, pp. 790-808.
• P.P. Sotiriadis, Y. Tsividis, “Single - URC Integrators”, IEEE Trans. on Circuits and SystemsI, Vol. 50, No. 2, Feb. 2003, pp. 304-307.
• P.P. Sotiriadis, A. Chandrakasan, “ Power Estimation and Power Optimal Communication in Deep Sub-micron Busses: Analytical Models and Statistical Measures”, Journal of Circuits, Systems, and Computers, Vol. 11, No. 6, Feb. 2003, pp. 637-658.
• P.P. Sotiriadis, A. Chandrakasan, “A Bus Energy Model for Deep Sub-Micron Technology”, IEEE Trans. on VLSI Systems, Vol. 10, No. 3, June 2002, pp. 341-350.

• E. Georgiou, T. Kantianis, D. Papa, V. Moustakas, V. Alimisis, P. P. Sotiriadis, "An Early Detection Auditory Disorders System based on Power-Efficient Analog Hardware Sigmoid-based Classifiers", IEEE ICABME 2025.
• A. Mylona, V. Alimisis. P.P. Sotiriadis, "A Power-Efficient Analog Hardware Neural Network for Hand Gesture Recognition", IEEE ICABME 2025.
• V. Alimisis, K. Cheliotis, A. Mylona, V. Moustakas and P. P. Sotiriadis, "A Power-Efficient Analog Integrated K-means Classifier Architecture for Brain Stroke Prediction", 32nd IEEE International Conference on Electronics, Circuits and Systems, ICECS, 2025.
• V. Alimisis, K. Cheliotis, A. Mylona, V. Moustakas and P. P. Sotiriadis, "A Low-Power Analog Integrated Decision Tree Classifier Architecture for Apnea-ECG Detection", 32nd IEEE International Conference on Electronics, Circuits and Systems, ICECS, 2025.
• V. Alimisis, M. M. Al Sidani, R. Younes, K. Cheliotis, P. P. Sotiriadis, J. Possik, C. Yaacoub and R. A. Z. Daou, "Detection of Multiple Sclerosis Based on MRI Images Using Low-Power Analog Integrated ANNs", The Conference on Advances in Computational Tools for Engineering Applications, ACTEA, 2025.
• V. Alimisis, A. Mylona, K. Cheliotis, V. Moustakas, C. Dimas and P. P. Sotiriadis, "Low-Power ECG Anomaly Detector Using an Area-Efficient Artificial Neural Network", 2025 IEEE 38th International System-on-Chip Conference, SOCC, 2025.
• V. Alimisis, K. Cheliotis, A. Mylona, V. Moustakas and P. P. Sotiriadis, "Designing Analog Hardware Neural Network Architectures Using Neural Network Optimization: An AI-for-AI Approach", International Conference on Frontiers of Artificial Intelligence, Ethics, and Multidisciplinary Applications, FAIEMA, 2025.
• V. Moustakas, K.Cheliotis, A. Mylona, V. Alimisis and P. P. Sotiriadis, "An Analog Low-Power Decision Tree Classifier Architecture for Parkinson’s disease prediction", International Conference on Frontiers of Artificial Intelligence, Ethics, and Multidisciplinary Applications, FAIEMA, 2025.
• A. Mylona, V. Alimisis, K. Cheliotis, V. Moustakas and P. P. Sotiriadis, "A Power-Efficient Analog Integrated Decision Tree Classifier for Dementia Prediction", 20th International Conference on PhD Research in Microelectronics and Electronics, PRIME, 2025.
• V. Moustakas, V. Alimisis, K. Cheliotis, A. Mylona and P. P. Sotiriadis, "A Low-Power Analog Integrated Gaussian Function Circuit Using Source Degeneration and Adaptive Bulk Biasing for Forest Fire Prediction", 20th International Conference on PhD Research in Microelectronics and Electronics, PRIME, 2025.
• K.Cheliotis, V.Alimisis, V.Moustakas, A.Mylona and P. P. Sotiriadis, "A Low-Power Analog Hardware Nearest Centroid Classifier for Glioma Brain Tumor Classification", 20th International Conference on PhD Research in Microelectronics and Electronics, PRIME, 2025.
• V. Alimisis, K. Cheliotis, V. Moustakas, A. Mylona, Z. Foufas and P. P. Sotiriadis "A Power-Efficient Analog Integrated Decision Tree Classifier for Machine Predictive Maintenance Classification", IEEE Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design (SMACD), 2025.
• K. Cheliotis, V. Alimisis, V. Moustakas, Z. Foufas, A. Mylona and P. P. Sotiriadis, "An Energy-Efficient Analog Integrated Neural  Network for Cirrhosis Patient Survival Prediction", IEEE Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design (SMACD), 2025.
• K. Cheliotis, V. Alimisis, V. Moustakas, A. Papathanasiou and P. P. Sotiriadis, "A Low-Power Analog Integrated Decision Tree Classifier for Laryngeal Voice Disorder Detection", 23rd IEEE International Newcas Conference, IEEE, 2025.
• V. Moustakas, V. Alimisis, K. Cheliotis, A. Papathanasiou and P. P. Sotiriadis, "A Low-Power Analog Integrated Gaussian Function Circuit Using Source Degeneration and Bulk Biasing for ML Applications" ,  23rd IEEE International Newcas Conference, IEEE, 2025.
• V. Moustakas, V. Alimisis, Z. Foufas, K. Cheliotis, A. Mylona and P. P. Sotiriadis, "A Low-Power Analog Integrated Decision Tree for Diabetic Retinopathy Detection", 14th International Conference on Modern Circuits and Systems Technologies (MOCAST), IEEE, 2025.
• V. Alimisis, A. Mylona, K. Cheliotis, V. Moustakas, Z. Foufas and P. P. Sotiriadis, "A Cuff-Less Blood Pressure Estimation System  Based On Low-Power Analog Integrated Neural  Network", 14th International Conference on Modern Circuits and Systems Technologies (MOCAST), IEEE, 2025.
• V. Alimisis, C. Dimas, A. Papathanasiou and P. P. Sotiriadis, "A Low-Power Analog Hardware Sigmoid-Based Neural Network for Biomedical Applications", 2025 IEEE International Symposium on Circuits and Systems, London, UK.
• V. Alimisis, V. Moustakas, A. Papathanasiou, K. Cheliotis and P. P. Sotiriadis, "An Analog Hardware Neural Network-Based Classifier for Robot Manipulation", 2025 International Conference on Control, Automation, and Instrumentation (IC2AI), Beirut, Lebanon, 2025, pp. 1-7, doi: 10.1109/IC2AI62984.2025.10932215.
• Vassilis Alimisis, Christos Dimas, Andreas Papathanasiou, Paul P. Sotiriadis, "A Low Power Analog Integrated Artificial Neural Networks for Electrical Impedance Tomography Stroke Classification", IEEE 36th International Conference on Microelectronics (ICM), Doha, Qatar, 2024.
• Vassilis Alimisis, Christos Dimas, Paul P. Sotiriadis, "A Power Efficient Integrated, Sigmoid-Based Edge Detector", IEEE 36th International Conference on Microelectronics (ICM), Doha, Qatar, 2024.
• Vassilis Alimisis, Christos Dimas, Andreas Papathanasiou, Paul P. Sotiriadis, "An Analog Integrated Relu-based Neural Networks for Water Quality Classification", IEEE 36th International Conference on Microelectronics (ICM), Doha, Qatar, 2024.
• N. P. Eleftheriou, V. Alimisis and P. P. Sotiriadis, "Low-Power Single-Stage Programmable CMOS LNA for Ku-Band Applications", 13th International Conference on Modern Circuits and Systems Technologies (MOCAST), IEEE, 2024.
• V. Alimisis, A. Papathanasiou, K. Cheliotis, N.P. Eleftheriou and P. P. Sotiriadis, "A Memristor-Equivalent Analog Integrated Neural Network for Air Quality Classification", 13th International Conference on Modern Circuits and Systems Technologies (MOCAST), IEEE, 2024.
• V. Alimisis, A. Papathanasiou, K. Cheliotis, N.P. Eleftheriou and P. P. Sotiriadis, "An Analog Classifier for Liver Disorders based on Centroid Machine Learning Model", 13th International Conference on Modern Circuits and Systems Technologies (MOCAST), IEEE, 2024.
• V. Alimisis, C. Aletraris, A. Papathanasiou and P. P. Sotiriadis, "A Robot Execution Failures Classification System Based on Analog IC Neural Networks", 19^th Conference on Ph. D Research in Microelectronics and Electronics (PRIME) (pp. 1-4), IEEE, 2024.
• C. Dimas, V. Alimisis and P. P. Sotiriadis, "A Moment-Based Weighted Block Sparse Bayesian Learning Approach for Simultaneous Dual-Layer Lung Electrical Impedance Tomography", IEEE International Symposium on Biomedical Imaging (ISBI), Athens, Greece, 2024.
• V. Alimisis, A. Kamperi, G. Gennis and P. P. Sotiriadis, "A Precise, Power-Efficient, Analog-Hardware Edge Detector for Biomedical Imaging", IEEE International Symposium on Biomedical Imaging (ISBI), Athens, Greece, 2024.
• Vassilis Alimisis, Andreas Papathanasiou, Georgios Georgousis and Paul P. Sotiriadis, "An Analog Neural Network for Estimating Sea State or Wave Height from Inertial Sensor Data", IEEE International Conference on Artificial Inteligence Circuits and Systems (IEEE AICAS), Abu Dhabi, United Arabic Emirates, 2024.
• K. Papafotis, G. Georgousis, C. Oustoglou, C. Dimas and P. Sotiriadis, "A Low-Cost Inertial Measurement Unit for Ship Motion Estimation", 2024 IEEE Panhellenic Conference on Electronics & Telecommunications (PACET), Thessaloniki, Greece, 2024.
• P. Vasilakopoulos, I. Georgakopoulos, D. Baxevanakis and P. Sotiriadis, "Design of CMOS Low-Power, Low-Noise Chopper Stabilized Low Dropout Voltage Regulator and Bandgap Reference", 2024 IEEE Panhellenic Conference on Electronics & Telecommunications (PACET), Thessaloniki, Greece, 2024.
• N. P. Eleftheriou, O. Ntasiou, V. Alimisis, P. P. Sotiriadis, "A Low-Power Temperature and Process Insensitive CMOS Power Management Unit", 2024 IEEE Panhellenic Conference on Electronics & Telecommunications (PACET), Thessaloniki, Greece, 2024.
• P. Charitos, V. Alimisis, N.P. Eleftheriou, P. P. Sotiriadis, "A General Purpose 2MHz 68µW Temperature Compensated Reference Clock Oscillator", 2024 IEEE Panhellenic Conference on Electronics & Telecommunications (PACET), Thessaloniki, Greece, 2024.
• K. Koniavitis, V. Alimisis, N.P. Eleftheriou, A. Kamperi, P. P. Sotiriadis, "A Multistage Nested-Loops Stabilized Operational Amplifier", 2024 IEEE Panhellenic Conference on Electronics & Telecommunications (PACET), Thessaloniki, Greece, 2024.
• K. Metaxas, V. Alimisis, N.P. Eleftheriou, P. P. Sotiriadis, "Non-Linear Analysis and Simulation of an Injection Locked Frequency Divider using a Complementary BJT Oscillator", 2024 IEEE Panhellenic Conference on Electronics & Telecommunications (PACET), Thessaloniki, Greece, 2024.
• V. Alimisis, N.P. Eleftheriou, P. P. Sotiriadis, "An Analog Integrated, Low-Power Manhattan Distance Network with Application to Chronic Kidney Disease Classification", 2024 IEEE Panhellenic Conference on Electronics & Telecommunications (PACET), Thessaloniki, Greece, 2024.
• V. Alimisis, N.P. Eleftheriou, G. Georgousis, P. P. Sotiriadis, "An Analog Hardware Classifier for Estimating Sea State or Wave Height from Inertial Sensor Data", 2024 IEEE Panhellenic Conference on Electronics & Telecommunications (PACET), Thessaloniki, Greece, 2024.
• V. Alimisis, N. Eleftheriou, S. Leventikidis, P. P. Sotiriadis, "An Analog Integrated, Low-Power, Area-Efficient, Gilbert, Modulo-based Classifier with Application to Lung-Cancer Classification", IEEE 35th International Conference on Microelectronics (ICM) (pp. 172-177), Abu Dhabi, UAE, 2023. [Best Paper Award]
• V. Alimisis, N.P. Eleftheriou, P.P. Sotiriadis, "A Low-Power Analog Integrated Deep Spatio-Temporal Inference Network with Application to Digit Classification", IEEE 35th International Conference on Microelectronics (ICM) (pp. 172-177), Abu Dhabi, UAE, IEEE, 2023.
• V. Alimisis, N.P. Eleftheriou, P.P. Sotiriadis, "A Low-Power Analog Integrated Gaussian-based Neural Network Classifier with Application to Hepatitis Disease Recognition", IEEE International Conference on Microelectronics (ICM) (pp. 172-177), IEEE, 2023.
• V. Alimisis, A. Kamperi, N. Eleftheriou, P. P. Sotiriadis, "A 93nW, Analog, Parallel Connected Threshold Classifier for Epileptic Seizure Prediction", 18th IEEE International Workshop on Cellular Nanoscale Networks and Their Applications (CNNA), 2023.
• V. Alimisis, A. Kamperi, N. Eleftheriou, P. P. Sotiriadis, "A Low Power Analog Bell Shaped Classifier Based on Parallel Connected Gaussian Function Circuits", 1st International Conference on Frontiers of Artificial Intelligence, Ethics, and Multidisciplinary Applications, Athens, Greece, 2023. [ Best Paper Award]
• G. Gennis, A. Kamperi, V. Alimisis, C. Dimas P. P. Sotiriadis, "An Area-Efficient, Analog Integrated Image Edge Detector Based on The Robert’s Cross Operator", 12th International Conference on Modern Circuits and Systems Technologies (MOCAST) (pp. 1-4), 2023.
• M.A. Gkaltemis, G. Lymperakis G. Gennis, V. Alimisis, P. P. Sotiriadis, "A Hardware-Friendly Low-Power Area-Efficient GMM-Based Analog Classifier For Skin Detection," 2022 Panhellenic Conference on Electronics & Telecommunications (PACET), 2022.
• V. Alimisis, G. Gennis, E. Tsouvalas, C. Dimas, P. P. Sotiriadis, "An Analog, Low-Power Threshold Classifier tested on a Bank Note Authentication Dataset", 34th IEEE International Conference of Microelectronics (ICM), 2022.
• D. Nikitas, K. Papafotis, P.P. Sotiriadis, "Improving Gyroscope’s Noise Performance By Embedding it in a Closed-Loop Involving Multiple Accelerometers", IEEE International Conference on Modern Circuits and Systems Technologies, Bremen, Germany, 2022.
• K. Touloupas and P. P. Sotiriadis, "Mixed-Variable Bayesian Optimization for Analog Circuit Sizing using Variational Autoencoders", 2022 18th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), 2022, pp. 1-4.
• V. Alimisis, G. Gennis, C. Dimas, P.P. Sotiriadis, "An Analog Bayesian Classifier Implementation, for Thyroid Disease Detection, based on a Low-Power, Current-Mode Gaussian Function Circuit." IEEE International Conference on Microelectronics (ICM), New Cairo City, Egypt, 2021. [Best Paper Award]
• K. Touloupas, N. Chouridis, P. P. Sotiriadis, "Local Bayesian Optimization For Analog Circuit Sizing," 2021 58th ACM/IEEE Design Automation Conference (DAC), 2021.
• K. Touloupas, P.P. Sotiriadis, "An Optimization-Based Approach for Analog Circuit Technology Migration," 2021 6th South-East Europe Design Automation, Computer Engineering, Computer Networks and Social Media Conference (SEEDA-CECNSM), 2021.
• K. Touloupas, P.P. Sotiriadis, "Analog and RF Circuit Constrained Optimization Using Multi-Objective Evolutionary Algorithms," 2021 IEEE 12th Latin America Symposium on Circuits and System (LASCAS), 2021.
• C. Dimas, V. Alimisis, N. Uzunoglu, P.P. Sotiriadis, "Evaluation of 3D Thoracic Equivalent Circuit Models using Co-simulation with EIT Hardware", 21st International Conference on Biomedical Applications of Electrical Impedance Tomography 2021, Galway, Ireland.
• V. Alimisis, M. Gourdouparis, C. Dimas, P.P Sotiriadis, "A 0.6V, 3.3nW, Adjustable Gaussian Circuit for Tunable Kernel Functions", IEEE Symposium on Integrated Circuits and Systems Design (SBCCI), Brazil, 2021.
• M. Gourdouparis, V. Alimisis, C. Dimas, P.P. Sotiriadis, "Ultra-Low Power (4nW), 0:6V Fully-Tunable Bump Circuit operating in Sub-threshold regime", IEEE International Conference on Design & Test of Integrated micro & nano-Systems, Sfax, Tunisia, 2021.
• M-E. Plagaki, K. Touloupas, P.P. Sotiriadis, "Multi-Objective Optimization Methods for CMOS LC-VCO Design", IEEE International Conference on Modern Circuits and Systems Technologies, Thessaloniki, Greece, 2021.
• D. Nikitas, K. Papafotis, P.P. Sotiriadis, "Time-Near-Optimal Longitudinal Control for Quadrotor UAVs", IEEE International Conference on Modern Circuits and Systems Technologies, Thessaloniki, Greece, 2021.
• V. Alimisis, M. Gourdouparis, C. Dimas, P. P Sotiriadis, "Ultra-Low Power, Low-Voltage, Fully-Tunable, Bulk-Controlled Bump Circuit", IEEE International Conference on Modern Circuits and Systems Technologies, Thessaloniki, Greece, 2021.
• A. Vlachos, N. Temenos, P. P. Sotiriadis, "Exploring the Effectiveness of Sigma-Delta Modulators in Stochastic Computing-Based FIR Filtering", IEEE International Conference on Modern Circuits and Systems Technologies, Thessaloniki, Greece, 2021.
• G. Pappas, V. Alimisis, C. Dimas, P.P. Sotiriadis, "Analogue Realization of a Fully Tunable Fractional-Order PID Controller for a DC Motor", IEEE International Conference on Microelectronics (ICM), Aqaba Jordan, 2020.
• V. Alimisis, C. Dimas, P.P. Sotiriadis, "Analogue Realization of Fractional-Order Healthy and Cancerous Lung Cell Models for Electrical Impedance Spectroscopy", IEEE International Conference on Microelectronics (ICM), Aqaba Jordan, 2020. [Best Paper Award]
• C. Dimas, V. Alimisis, P.P. Sotiriadis, "SPICE and MATLAB simulation and evaluation of Electrical Impedance Tomography readout chain using phantom equivalents", European Conference on Circuit Theory and Design, Sofia, Bulgaria, 2020.
• V. Alimisis, M. Gourdouparis, C. Dimas, P.P. Sotiriadis, "Implementation of Fractional-order Model of Nickel-Cadmium Cell using Current Feedback Operational Amplifiers", European Conference on Circuit Theory and Design, Sofia, Bulgaria, 2020.
• C. Dimas, K. Asimakopoulos, P.P. Sotiriadis, "A highly tunable dynamic thoracic model for Electrical Impedance Tomography", IEEE International Conference on BioInformatics And BioEngineering, USA, 2020.
• V. Alimisis, G. Pappas, P.P. Sotiriadis, "Fractional-Order Instrumentation Amplifier Transfer Function for Control Applications", Symposium on Integrated Circuits and Systems Design, Brazil, 2020.
• D. Baxevanakis, P.P. Sotiriadis, "Accurate Harmonic Distortion Estimation in CMOS Circuits Using a Cross-Product Gm-Stage Modeling", IEEE International Symposium on Circuits and Systems, Seville, Spain, 2020.
• N. Temenos, P.P. Sotiriadis, "Deterministic Finite State Machines for Stochastic Division in Unipolar Format", IEEE International Symposium on Circuits and Systems, Seville, Spain, 2020.
• K. Papafotis, P.P. Sotiriadis, "Exploring the Importance of Sensors' Calibration in Inertial Navigation Systems ", IEEE International Symposium on Circuits and Systems, Seville, Spain, 2020.
• P. P. Sotiriadis, "Advances in Σ-Δ Modulation for All-Digital Transceivers", IcETRAN 2019, Srebrno Jezero, Serbia June 3 - 6, 2019. [Invited]
• K. Papafotis, Paul P. Sotiriadis, "Computationally Efficient Calibration Algorithm for Three-Axis Accelerometer and Magnetometer", IEEE International Conference on Modern Circuits and Systems Technologies, Thessaloniki, Greece, 2019. [Best Paper Award]
• N. Temenos, P. Sotiriadis, “A New Technique for Stochastic Division in Unipolar Format”, IEEE International Conference on Modern Circuits and Systems Technologies on Electronics and Communications, Thessaloniki, Greece, 2019.
• S. Pokamisas, D. Baxevanakis, P. Sotiriadis, "A 0.6V, 700nW Chopper Capacitively-Coupled Instrumentation Amplifier for Biomedical Applications", ΙΕΕΕ International Conference on Modern Circuits and Systems Technologies, Thessaloniki, Greece, 2019.
• N. Voudoukis, D. Baxevanakis, K. Papafotis, C. Dimas, C. Oustoglou, P. Sotiriadis, "Introducing Senior Undergraduate Students to the Open-Circuit Time-Constant Method for Circuit Analysis", ΙΕΕΕ International Conference on Modern Circuits and Systems Technologies, Thessaloniki, Greece, 2019.
• C. Dimas, N. Uzunoglu, P. Sotiriadis, "Electrical Impedance Tomography Image Reconstruction: Impact of Hardware Noise and Errors", ΙΕΕΕ International Conference on Modern Circuits and Systems Technologies, Thessaloniki, Greece, 2019.
• C. Dimas, N. Uzunoglu, P. Sotiriadis, “3D EIT Imaging with Green's functions”, 20th International Conference on Biomedical Applications of Electrical Impedance Tomography, London, 2019.
• C. Dimas, N. Uzunoglou, P. Sotiriadis, "A Field Theory Approach in EIT with Green’s Functions", 19th International Conference on Biomedical Applications of Electrical Impedance Tomography, 2018.
  
• C. Basetas, N. Temenos, P. Sotiriadis, "Implementation of Multi-Step Look-Ahead Sigma-Delta modulators using IC technology", IEEE International Frequency Control Symposium, Olympic Valley, USA, 2018.
  
• N. Temenos, C. Basetas, P. Sotiriadis, "Comparison of two All-Digital Frequency mSynthesizers with a Jitter Removal Circuit", IEEE International Frequency Control Symposium, Olympic Valley, USA, 2018.
  
• N. Temenos, C. Basetas, P. Sotiriadis, "Hardware Optimization Methodology of Multi-Step Look-Ahead Sigma-Delta modulators", IEEE International Conference on Modern Circuits and Systems Technologies on Electronics and Communications, Thessaloniki, Greece, 2018.
  
• C. Basetas, N. Temenos, P. Sotiriadis, "An Efficient Hardware Architecture for the Implementation of Multi-Step Look-Ahead Sigma-Delta modulators", IEEE International Symposium on Circuits and Systems, Florence, Italy, 2018.
  
• C. Basetas, N. Temenos, P. Sotiriadis, "Comparison of Recently Developed Single-bit All- Digital Frequency Synthesizers in terms of Hardware Complexity and Performance", In IEEE International Symposium on Circuits and Systems, Florence, Italy, 2018.
  
• C. Dimas, P. Sotiriadis, "Electrical Impedance Tomography Image Reconstruction for Adjacent and Opposite Strategy using FEMM and EIDORS Simulation Models", ΙΕΕΕ International Conference on Modern Circuits and Systems Technologies, 2018.
  
• C. Dimas, P. Sotiriadis, "Conductivity Distribution Measurement at Different Low Frequencies Using a Modular 64 Electrode Electrical Impedance Tomography System", IEEE 4th PAnhellenic Conference on Electronics and Telecommunications, 2017.
  
• K. Tzortzakis, K.Papafotis, P.Sotiriadis, "Wireless Self Powered Environmental Monitoring System for Smart Cities based on LoRa ", IEEE 4th PAnhellenic Conference on Electronics and Telecommunications, 2017.
• A. Raptakis, C. Oustoglou, P. Sotiriadis, "Laboratory Jitter Removal Circuit for Single-bit All-Digital Frequency Synthesis", IEEE 4th PAnhellenic Conference on Electronics and Telecommunications, 2017.
  
• N. Temenos, C. Basetas, P. Sotiriadis, "Noise Shaping Advantages of Band-Pass Multi-Step Look-Ahead Sigma-Delta Modulators Over Conventional Ones in Signal Synthesis", IEEE 4th PAnhellenic Conference on Electronics and Telecommunications, 2017.
• N. Temenos, C. Basetas, P. Sotiriadis, "Efficient All-Digital Frequency Synthesizer Based on Multi-Step Look-Ahead Sigma-Delta Modulation", IEEE 4th PAnhellenic Conference on Electronics and Telecommunications, 2017.
• I. Georgakopoulos, N. Hadjigerorgiou, P. Sotiriadis, "A CMOS Closed Loop AMR Sensor Architecture", IEEE 4th PAnhellenic Conference on Electronics and Telecommunications, 2017.
• I. Georgakopoulos, N. Baxevanakis, P. Sotiriadis, "Rail-to- Rail Operational Amplifier with Stabilized Frequency Response and Constant-gm Input Stage", IEEE 4th PAnhellenic Conference on Electronics and Telecommunications, 2017.
• P. Sotiriadis, C. Basetas, N. Temenos, “32-QAM All-Digital RF Signal Generator Based on a Homodyne Sigma-Delta Modulation Scheme”, IEEE International Frequency Control Symposium, 2017.
• C. Basetas, P. Sotiriadis, N. Temenos, “Frequency Synthesis Using Low-Pass Single-Bit Multi-Step Look-Ahead Sigma-Delta Modulators in Quadrature Upconversion Scheme”, IEEE International Frequency Control Symposium, 2017.
• C. Basetas, N. Temenos, P. Sotiriadis, “Wide-Band Frequency Synthesis Using Hardware-Efficient Band-Pass Single-Bit Multi-Step Look-Ahead Sigma-Delta Modulators”,IEEE International Frequency Control Symposium, 2017.
• P. P. Sotiriadis, C. Basetas, “Single-Bit All Digital Frequency Synthesis with Homodyne Sigma-Delta Modulation for Internet of Things Applications”, IEEE International Conference on Electronics Circuits and Systems, 2017.

• 2016 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, to be held in San Francisco, California, USA, during May 22-24, 2016 : Digital Signal Generation With Focus on Direct Digital Synthesis DDS workshop. Paul Sotiriadis “All Digital Frequency Synthesis Based on New Sigma Delta Architectures”.
• Joint IEEE International Frequency Control Symposium and European Frequency and Time Forum, Denver, CO, USA, "All Digital Frequency Synthesis Based on New Sigma-Delta Modulation Architectures", April 2015.
• Synergy Microwave Corporation, Paterson New Jersey, USA, "On All-Digital Frequency Synthesis" June 2014.
• Qualcomm, Santa Clara, CA, “Emerging Frequency Synthesis Techniques for the Current and Future Advanced CMOS Technologies, with L. Xiu and R.B. Staszewski, Aug. 2010, organized by the IEEE Santa Clara Valley CAS chapter.
• IBM, Austin, TX, “Emerging Frequency Synthesis Techniques for the Current and Future Advanced CMOS Technologies, with L. Xiu and R.B. Staszewski, Aug. 2010, organized by the IEEE Central Texas SSC & CAS chapter.
• Texas Instruments, Dallas TX, “”On Flying-Adder Synthesizers”, Nov. 2008, Invited by L. Xiu.
• Automation and Robotics Research Institute, Arlington TX, “I.C. design for fast  control systems”, Nov. 2008, Invited by the director, H. Stephanou.
• Tyndall National Institute, Cork Ireland, “On The Spectrum of Flying-Adders”, Oct, 2008 Invited by the director of the institute, Dr. R. Whatmore.
• ECE Dept. Technical University of Crete, Greece, “Diophantine Frequency Synthesis, A Number Theory Approach to Fine RF Frequency Synthesis & Integrated Frequency Standards”, Nov. 2007.
• Raytheon, MA, USA, “Next Generation Adaptive Optical - Phase Controller – Algorithms & Hardware”, Oct. 3^rd, 2007.
• Analog Devices Inc, Wilmington MA, “Diophantine Frequency Synthesis, A Number Theory Approach to Fine RF Frequency Synthesis & Integrated Frequency Standards”, Sep. 7, 2007.
• Dept. of Informatics & Telecommunications, Univ. of Athens, Greece, “Diophantine Frequency Synthesis, A Number Theory Approach to Fine RF Frequency Synthesis & Integrated Frequency Standards”, July 11^th, 2007. Invited by Prof. S. Theodoridis.
• ECE Dept. University of Patras, Greece, “Diophantine Frequency Synthesis, A Number Theory Approach to Fine RF Frequency Synthesis & Integrated Frequency Standards”, July 9^th, 2007. Invited by Profs. G. Papadopoulos & T. Stouraitis.
• ECE Dept. University College London, U.K., “Diophantine Frequency Synthesis, A Number Theory Approach to Fine RF Frequency Synthesis & Integrated Frequency Standards”, June 28^th, 2007. Invited by the department Chair.
• Tyndall National Institute, Cork Ireland, “Diophantine Frequency Synthesis, A Number Theory Approach to Fine RF Frequency Synthesis & Integrated Frequency Standards”, June 26^th, 2007. Invited by Prof. P Kennedy.
• Tyndall National Institute, Cork Ireland, “A New RF Radiometer for Absolute Noninvasive Temperature Sensing in Biomedical Applications”, Jun 26^th, 2007 Invited by Prof. P. Kennedy.
• Raytheon, MA, USA, “The JHU High-Speed, Adaptive Phase-Controller Microsystem”, Sotiriadis June 4^th, 2007.
• Texas A & M University - Leaders & Innovators Speaker Series, “Radio-Frequency Radiometry for Absolute Temperature Monitoring in Magnetic Resonance Imaging”, 2007.
• Synergy Microwaves Corporation, N.J., USA. Invited by Prof. U. Rohde, partner of Rohde Schwarz, Germany, chairman of Synergy Microwave NJ, USA.
• National Institute of Standards and Technology, U.S.A. “High-Speed, Multi-Dithering Adaptive Microsystems”, D. Loizos (Dr. Sotiriadis’ PhD stud.) and P. Sotiriadis. Invited by Dr. N. Dagalakis.
• Carnegie Mellon University, “Diophantine Frequency Synthesis: A Number Theory Approach to Fine RF Frequency Synthesis”, Feb 20^th, 2007. Invited by Prof. R. Marculescu.
• Naval Research Laboratories, “Ultra Fine RF Frequency Synthesis for Radar Applications”, Dec. 14^th, 2006. Invited by P. Vouras.
• ETH Zurich, Switzerland, “Communication Energy Limits in VLSI circuits; An Information Theoretic Perspective”, Sept 13^th 2006. Invited by Prof. Amos Lapidoth.
• University of Maryland, “Diophantine Frequency Synthesis: A Number Theory Approach to Fine Frequency Synthesis”, Sept. 5^th, 2006. Invited by Prof. R. Newcomb.
• Applied Mathematics and Statistics, Johns Hopkins University, April 20^th 2006, Invited by Chairman Prof. Dan Naiman.
• United States Naval Observatory , “Diophantine Frequency Synthesis A new approach to ultra-fine frequency synthesis”, Oct. 12, 2005. Invited by the director of the Timing systems lab, Dr. Matsaki.
• Applied Physics Laboratory, Johns Hopkins University, P. Sotiriadis & G. Weaver, “Disciplined Ultra-stable Oscillator Technology Development - Fine Frequency Synthesis Using Diophantine Calculus”, July 20, 2005.
• ECE Dept.,  Johns Hopkins University, “Challenges in the design of High Performance Microprocessors”, Nov. 8, 2002.
• MIT-HP Wireless Networking Kickoff, University Park at MIT, Jan. 10, 2002.
• MARCO Interconnect Focus Center, Georgia Center for Advanced Telecommunications Technology, Georgia Inst. of Technology, Jan 7-8, 2002.
• Center for Integrated Circuits and Systems, Microsystems Technology Lab, Massachusetts Institute of Technology, Apr. 30^th, 2001.
• MARCO Interconnect Focus Center Workshop, Massachusetts Inst of Tech., Mar. 30, 2001.
• Multilink Technology Corporation, Dec. 1^st 2000. Invited by Dr. John Khoury
• Dept. of Electrical Engineering, Columbia University, Nov. 17^th 2000. Invited by Prof. Y. Tsividis
• Interconnect Focus Center, Manufacturing Research Center, Georgia Inst. of Tec., Aug. 15^th 2000.

• N. Hadjigeorgiou, M. Sophocleous, E. Hristoforou and P. P. Sotiriadis, Magnetic Sensors for Space Applications: Development and Magnetic Cleanliness Considerations, (36 pages), Chapter 7 in “Electromagnetic Compatibility for Space Systems Design”, Editor: C. D. Nikolopoulos, IGI Global 2018. DOI: 10.4018/978-1- 5225-54145- 8.ch007.
• P. Sotiriadis, Power Reduction Coding for Buses, Energy Measures and Performance Limits, (28 pages), Chapter 7 in “Interconnect-Centric Design for Advanced SOC and NOC”, Editors: J. Nurmi, H. Tenhunen, J. Isoaho, A. Jantsch, Kluwer Academic Publishers 2004.

• “Method and Apparatus for Reducing Delay in a Bus Provided From Parallel, Capacitively Coupled Transmission Lines”, P. Sotiriadis, A. Chandrakasan, US Patent 7400276.