Note: Copyrights are owned by the publisher of the journal/conference. PDF files here are provided as a convenience for one-time individual use.
S. Sreedhara† and J. Roychowdhury, “ A Novel Oscillator Ising Machine Coupling Scheme for High-Quality Optimization”, Proc. Unconventional Computation and Natural Computation, June 2024.
S.V.P. Sumanth,† S. Sreedhara, R. Manohar, A. Mishchenko and J. Roychowdhury, “ High Quality Circuit-Based 3-SAT Mappings for Oscillator Ising Machines”, Proc. Unconventional Computation and Natural Computation, June 2024.
S. Sreedhara, J. Roychowdhury,† J. Wabnig and P.K. Srinath, “ MU-MIMO Detection using Oscillator Ising Machines”, Proc. IEEE International Conference on Computer-Aided Design, November 2023.
T. Jagielski, R. Manohar and J. Roychowdhury, “ FPIM: Field Programmable Ising Machines for Solving SAT”, arXiv:2306:01569, June 2023.
S. Sreedhara, J. Roychowdhury,† J. Wabnig and P.K. Srinath, “ Digital Emulation of Oscillator Ising Machines”, Proc. IEEE Conference on Design, Automation and Test in Europe, April 2023.
N. Sagan† and J. Roychowdhury, “ DaS: Implementing Dense Ising Machines Using Sparse Resistive Networks”, Proc. IEEE International Conference on Computer-Aided Design, November 2022.
N. Sagan† and J. Roychowdhury, “ Transient Adjoint DAE Sensitivities: a Complete, Rigorous, and Numerically Accurate Formulation”, IEEE Asia South-Pacific Design Automation Conference, January 2022.
(invited paper) T. Wang, L. Wu, P. Nobel and J. Roychowdhury, “ Solving Combinatorial Optimization Problems using Oscillator based Ising Machines”, Natural Computing, April 2021.
P. Nobel, “ auto_diff: an automatic differentiation package for Python”, Proc. IEEE SpringSim, May 2020.
(best paper) T. Wang and J. Roychowdhury†, “ OIM: Oscillator-based Ising Machines for Solving Combinatorial Optimization Problems”, Unconventional Computation and Natural Computation (UCNC), June 2019. (arXiv version: arXiv:1903.07163 (Mar 17, 2019)).
T. Wang†, L. Wu and J. Roychowdhury, “ New Computational Results and Hardware Prototypes for Oscillator-based Ising Machines”, IEEE Design Automation Conference, June 2019. (arXiv version: arXiv:1904.10211 (April 23, 2019)).
T. Wang† and C. McAndrew, “ A Generic Formalism to Model ESD Snapback for Robust Circuit Simulation”, 40th Electrical Overstress/Electrostatic Discharge Symp. (EOS/ESD), Sep 2018.
T. Wang and J. Roychowdhury, “ Oscillator-based Ising Machines”, arXiv:1709.08102 [cs.ET], October 2017.
T. Wang and J. Roychowdhury, “ Rigorous Q Factor Formulation and Characterization for Nonlinear Oscillators”, arXiv:1710.02015 [eess.SP], October 2017.
T. Wang, “ Achieving Phase-based Logic Bit Storage in Mechanical Metronomes”, arXiv:1710.01056 [cs.ET], October 2017.
T. Wang, “ Analysing Oscillators Using Describing Functions”, arXiv:1710.02000 [math.CA], September 2017.
T. Wang, “ Sub-harmonic Injection Locking in Metronomes”, arXiv:1709.03886 [nlin.CD], September 2017.
(invited paper) T. Wang, “ Modelling Multistability and Hysteresis in ESD Clamps, Memristors and Other Devices”, Proc. IEEE Custom Integrated Circuits Conference, May 2017.
A.G. Mahmutoglu, T. Wang, A. Gupta and J. Roychowdhury, “ Well-Posed Device Models for Electrical Circuit Simulation”, no. 26199, nanoHUB.org, March 2017.
A. Gupta†, T. Wang, A.G. Mahmutoglu and J. Roychowdhury, “ STEAM: Spline-based tables for efficient and accurate device modelling”, Proc. IEEE Asia South-Pacific Design Automation Conference, Jan. 2017.
(invited paper) T. Wang† and J. Roychowdhury, “ Multiphysics Modelling and Simulation in Berkeley MAPP”, Proc. Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO), July 2016.
T. Wang and J. Roychowdhury, “ Well-Posed Models of Memristive Devices”, arXiv:1605.04897 [cs.ET], May 2016.
(invited paper) J. Roychowdhury, “ General-Purpose Boolean Computation Using Sub-Harmonic Injection Locking in Self-Sustaining Oscillators”, Proceedings of the IEEE, Nov 2015.
(invited paper) T. Wang, A. V. Karthik, B. Wu, J. Yao and J. Roychowdhury†, “ MAPP: The Berkeley Model and Algorithm Prototyping Platform”, Proc. IEEE Custom Integrated Circuits Conference, September 2015.
T. Wang†, A.V. Karthik, B. Wu and J. Roychowdhury, “ MAPP: A Platform for Prototyping Algorithms and Models Quickly and Easily”, Proc. Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO), August 2015.
T. Wang† and J. Roychowdhury, “ Design Tools for Oscillator-based Computing Systems”, Proc. IEEE Design Automation Conference, June 2015.
(invited paper) J. Roychowdhury and P. Bhushan, “ Hierarchical Abstraction of Weakly-Coupled Synchronized Oscillator Networks”, International Journal for Numerical Methods in Engineering, May 2015.
A. V. Karthik, S. Ray and J. Roychowdhury†, “ BEE: Predicting realistic worst case and stochastic eye diagrams by accounting for correlated bitstreams and coding strategies”, Proc. IEEE Asia South-Pacific Design Automation Conference, Jan. 2015.
J. Roychowdhury, “ Boolean Computation Using Self-Sustaining Nonlinear Oscillators”, arXiv:1410.5016 [cs.ET], October 2014.
B. Wu† and J. Roychowdhury, “ Efficient Per-Element Distortion Contribution Analysis via Harmonic Balance Adjoints”, Proc. IEEE Custom Integrated Circuits Conference, Sep. 2014.
A. V. Karthik†, D. Soloveichik, S. Ray, B. Sterin, A. Mishchenko, R.K. Brayton and J. Roychowdhury, “NINJA: Boolean modelling and formal verification of tiered-rate chemical reaction networks”, Verification of Engineered Molecular Devices and Programs, July 2014.
T. Wang and J. Roychowdhury, “ PHLOGON: PHase-based LOGic using Oscillatory Nano-systems”, in Unconventional Computation and Natural Computation (eds: Ibarra/Karri/Kopecki), Springer, July 2014.
P. Bhushan, “ A Rigorous Graphical Technique for Predicting Sub-harmonic Injection Locking in LC Oscillators”, Proc. IEEE Design Automation Conference, June 2014.
A. V. Karthik†, S. Ray, P. Nuzzo, A. Mishchenko, R.K. Brayton and J. Roychowdhury, “ ABCD-NL: Approximating Continuous Non-Linear Dynamical Systems using Purely Boolean Models for Analog/Mixed-Signal Verification”, Proc. IEEE Asia South-Pacific Design Automation Conference, Jan. 2014.
A.G. Mahmutoglu†, A. Demir and J. Roychowdhury, “ Modeling and Analysis of (Nonstationary) Low Frequency Noise in Nano Devices: A Synergistic Approach based on Stochastic Chemical Kinetics”, Proc. IEEE International Conference on Computer-Aided Design, November 2013.
(best paper nomination) A. V. Karthik† and J. Roychowdhury, “ ABCD-L: Approximating Continuous Linear Systems using Boolean Models”, Proc. IEEE Design Automation Conference, June 2013.
A. V. Karthik, A. Demir, S. Venugopalan and J. Roychowdhury, “ Accurate Prediction of Random Telegraph Noise Effects in SRAMs and DRAMs”, IEEE Trans. Computer-Aided Design, January 2013.
R.K. Balachandran, J. Roychowdhury, K. Dorfman and V.H. Barocas, “ Telescopic Time-Scale Bridging for Modeling Dispersion in Rapidly Oscillating Flows”, American Inst. of Chem. Engg. Journal, July 2012.
A. Meir† and J. Roychowdhury, “ BLAST: Efficient computation of nonlinear delay sensitivities in electronic and biological networks using Barycentric Lagrange enabled Transient adjoint analysis”, Proc. IEEE Design Automation Conference, June 2012.
A. V. Karthik† and J. Roychowdhury, “ DAE2FSM: Automatic generation of accurate discrete-time logical abstractions for continuous-time circuit dynamics”, Proc. IEEE Design Automation Conference, June 2012.
A. Neogy† and J. Roychowdhury, “ Analysis and design of sub-harmonically injection locked oscillators”, Proc. IEEE Conference on Design, Automation and Test in Europe, March 2012.
(invited paper) A. V. Karthik, Y. Lin, C. Gu, A. Xu, J. Roychowdhury† and N. Shanbhag, “ A Fully Automated Technique for Constructing FSM Abstractions of Non-Ideal Latches in Communication Systems”, Proc. IEEE Int. Conf. Acoustics, Speech and Signal Proc., Mar. 2012.
D. Amsallem† and J. Roychowdhury, “ ModSpec: An Open, Flexible Specification Framework for Multi-Domain Device Modelling”, Proc. IEEE International Conference on Computer-Aided Design, Nov. 2011.
C. Gu, “ QLMOR: A Projection-Based Nonlinear Model Order Reduction Approach using Quadratic-Linear Representation of Nonlinear Systems”, IEEE Trans. Computer-Aided Design, v. 30, no. 9, pp. 1307–1320, Sep. 2011.
J. Roychowdhury, “ Hierarchical Abstraction of Phase Response Curves of Synchronized Systems of Coupled Oscillators”, arXiv:1106.3247v1 [nlin.CD], June 2011.
A. V. Karthik†, S. Venugopalan, A. Demir and J. Roychowdhury, “ MUSTARD: A coupled, stochastic/deterministic, discrete/continuous technique for predicting the impact of Random Telegraph Noise on SRAMs and DRAMs”, Proc. IEEE Design Automation Conference, June 2011.
A. V. Karthik†, T. P. Michalak and N. R. Jennings, “ Representation of Coalitional Games with Algebraic Decision Diagrams”, in Proc. 10th Intl. Conf. on Autonomous Agents and Multi-Agent Systems (AAMAS 2011), pages 1121–1122, May 2011.
A. V. Karthik†, A. Demir, S. Venugopalan and J. Roychowdhury, “ SAMURAI: An Accurate Method for Modelling and Simulating Non-Stationary Random Telegraph Noise in SRAMs”, Proc. IEEE Conference on Design, Automation and Test in Europe, March 2011.
(invited book chapter) P. Bhansali and J. Roychowdhury, “ Injection Locking Analysis and Simulation of Weakly Coupled Oscillator Networks”, in Advanced Simulation and Verification of Electronic and Biological Systems (eds: Li/Silveira/Feldmann), Springer, January 2011.
C. Gu† and J. Roychowdhury, “ FSM Model Abstraction for Analog/Mixed-Signal Circuits by Learning from I/O Trajectories”, Proc. IEEE Asia South-Pacific Design Automation Conference, Jan. 2011.
A. V. Karthik†, B. Ravindran, T.P. Michalak and N.R. Jennings, “ Efficient Computation of the Shapley Value for Centrality in Networks”, in Proc. 6th Intl. Workshop on the Internet and Network Economics (WINE 2010), pages 1–13, December 2010.
A. Demir†, C. Gu and J. Roychowdhury, “ Phase Equations for Quasi-Periodic Oscillators”, Proc. IEEE International Conference on Computer-Aided Design, Nov. 2010.
(best paper nomination) C. Gu† and J. Roychowdhury, “ Generalized Nonlinear Timing/Phase Macromodeling: Theory, Numerical Methods and Applications”, Proc. IEEE International Conference on Computer-Aided Design, Nov. 2010.
A. V. Karthik† and B. Ravindran, “ Game Theoretic Network Centrality: Exact Formulas and Efficient Algorithms”, in Proc. 9th Intl. Conf. on Autonomous Agents and Multi-Agent Systems (AAMAS 2010), pages 1459–1460, May 2010.
(invited book chapter) C. Gu and J. Roychowdhury, “Computing Probabilistic Hypervolumes”, in Extreme Statistics in Nanoscale Memory Design (Integrated Circuits and Systems) (eds: Singhee and Rutenbar), Springer, September 2010.
C. Gu† and J. Roychowdhury, “ Manifold Construction and Parameterization for Nonlinear Manifold-Based Model Reduction”, Proc. IEEE Asia South-Pacific Design Automation Conference, pp. 205–210, Jan. 2010. [Presentation]
(invited monograph) J. Roychowdhury, “ Numerical Simulation and Modelling of Electronic and Biochemical Systems”, Foundations and Trends in Electronic Design Automation, NOW Publishers, 3 (2-3), December 2009.
C. Gu†, “ QLMOR: A New Projection-Based Approach for Nonlinear Model Order Reduction”, Proc. IEEE International Conference on Computer-Aided Design, pp. 389-396, Nov. 2009.
P. Bhansali† and J. Roychowdhury, “ Gen-Adler: The generalized Adler’s equation for injection locking analysis in oscillators”, Proc. IEEE Asia South-Pacific Design Automation Conference, pp. 522–527, Jan. 2009.
C. Gu† and J. Roychowdhury, “ Model Reduction via Projection onto Nonlinear Manifolds, with Applications to Analog Circuits and Biochemical Systems”, Proc. IEEE International Conference on Computer-Aided Design, pp. 85–92, Nov. 2008.
P. Bhansali†, S. Srivastava, X. Lai and J. Roychowdhury, “ Comprehensive Procedure for Fast and Accurate Coupled Oscillator Network Simulation”, Proc. IEEE International Conference on Computer-Aided Design, pp. 815 - 820, Nov. 2008.
N. Shanbhag, S. Mitra, G. de Veciana, M. Orshansky, R. Marculescu, J. Roychowdhury, D. Jones and J. Rabaey, “ The Search for Alternative Computational Paradigms”, IEEE Design and Test of Computers, Vol. 25, Issue 4, pages 334-343, July-August 2008.
S. Srivastava and J. Roychowdhury, “ Independent and Interdependent Latch Setup/Hold Time Characterization via Newton-Raphson Solution and Euler Curve Tracking of State-Transition Equations”, IEEE Trans. Computer-Aided Design, Vol. 27, No. 5, pages 817–830, May 2008.
N. Dong and J. Roychowdhury, “ General-purpose nonlinear model order reduction based on piecewise polynomial representations”, IEEE Trans. Computer-Aided Design, Vol. 27, No. 2, pages 249–261, Feb 2008.
S. Agarwal and J. Roychowdhury†, “ Efficient Multiscale Simulation of Circadian Rhythms Using Automated Phase Macromodelling Techniques”, Proc. Pacific Symposium on Biocomputing, v. 13, pages 402–413, Jan. 2008.
T. Mei and J. Roychowdhury, “ A Time-Domain Oscillator Envelope Tracking Algorithm Employing Dual Phase Conditions”, IEEE Trans. Computer-Aided Design, Vol. 27, No. 1, pages 59–69, Jan 2008.
(best paper) C. Gu† and J. Roychowdhury, “ An Efficient, Fully Nonlinear, Variability-Aware non-Monte-Carlo Yield Estimation Procedure with Applications to SRAM cells and Ring Oscillators”, Proc. IEEE Asia South-Pacific Design Automation Conference, Jan. 2008.
S. Srivastava and J. Roychowdhury, “ Analytical Equations for Nonlinear Phase Errors and Jitter in Ring Oscillators”, IEEE Trans. Circuits and Systems I: Fundamental Theory and Applications, Vol. 54, Issue 10, pages 2321–2329, October 2007.
S. Srivastava† and J. Roychowdhury, “ Rapid Estimation of the Probability of SRAM Failure due to MOS Threshold Variations”, Proc. IEEE Custom Integrated Circuits Conference, Oct. 2007.
Z. Wang† and J. Roychowdhury, “ Obtaining Frequency Sensitivities to Variations Analytically from Parameterized Nonlinear Oscillator Phase Macromodels”, Proc. IEEE Custom Integrated Circuits Conference, Oct. 2007.
(best paper) S. Srivastava† and J. Roychowdhury, “ Interdependent Latch Setup/Hold Time Characterization via Euler-Newton Curve Tracing on State-Transition Equations”, Proc. IEEE Design Automation Conference, June 2007. [Presentation]
Z. Wang†, X. Lai and J. Roychowdhury, “ PV-PPV: Parameter Variability Aware, Automatically Extracted, Nonlinear Time-Shifted Oscillator Macromodels”, Proc. IEEE Design Automation Conference, June 2007. [Presentation]
T. Mei and J. Roychowdhury, “ Small-Signal Analysis of Oscillators Using Generalized Multitime Partial Differential Equations”, IEEE Trans. Computer-Aided Design, Vol. 26, No. 6, pages 1054–1069, June 2007.
S. Srivastava† and J. Roychowdhury, “ Rapid and Accurate Latch Characterization via Direct Newton Solution of Setup/Hold Times”, Proc. IEEE Conference on Design, Automation and Test in Europe, April 2007. [Presentation]
(invited paper) R. Rutenbar, G. Gielen and J. Roychowdhury, “ Hierarchical Modeling, Optimization and Synthesis for System-Level Analog and RF Designs”, Proceedings of the IEEE, Vol. 95, No. 3, pages 640–669, March 2007.
(invited paper) X. Lai and J. Roychowdhury†, “ Advanced Tools for Simulation and Design of Oscillators/PLLs”, Proc. IEEE Asia South-Pacific Design Automation Conference, January 2007.
S. Dabas, N. Dong and J. Roychowdhury†, “ Automated Extraction of Accurate Delay/Timing Macromodels of Digital Gates and Latches using Trajectory Piecewise Methods”, Proc. IEEE Asia South-Pacific Design Automation Conference, January 2007. [Presentation]
X. Lai† and J. Roychowdhury, “ TP-PPV: Piecewise Nonlinear, Time-Shifted Oscillator Macromodel Extraction for Fast, Accurate PLL Simulation”, Proc. IEEE International Conference on Computer-Aided Design, November 2006.
T. Mei† and J. Roychowdhury, “ PPV-HB: Harmonic Balance for Oscillator/PLL Phase Macromodels” Proc. IEEE International Conference on Computer-Aided Design, November 2006.
T. Mei† and J. Roychowdhury, “ Rigorous Analytical/Graphical Injection Locking Analysis of Two-Port Negative Resistance Oscillators”, Proc. IEEE Custom Integrated Circuits Conference, September 2006.
S. Srivastava†, X. Lai and J. Roychowdhury, “ Nonlinear Phase-Macromodel-Based Simulation/Design of PLLs with Superharmonically Locked Dividers”, Proc. IEEE Custom Integrated Circuits Conference, September 2006.
T. Mei† and J. Roychowdhury, “ A Robust Envelope Following Method Applicable to Both Non-autonomous and Oscillatory Circuits”, Proc. IEEE Design Automation Conference, pp. pages 1029-1034 July 2006.
X. Lai† and J. Roychowdhury, “ A Multilevel Technique for Robust and Efficient Extraction of Phase Macromodels of Digitally Controlled Oscillators”, Proc. IEEE Design Automation Conference, July 2006.
(invited book chapter) J. Roychowdhury and H.A. Mantooth, “Analog and Mixed-Signal Simulation”, in Electronic Design Automation for Integrated Circuits Handbook (eds: Scheffer, Lavagno and Martin), CRC Press, April 2006. ISBN: 978-0849330964.
T. Mei and J. Roychowdhury†, “ Efficient AC Analysis of Oscillators Using Least-Squares Methods”, Proc. IEEE Conference on Design, Automation and Test in Europe, March 2006.
(invited book chapter) J. Roychowdhury, “Automated Macromodelling for Simulation of Signals and Noise in Mixed-Signal/RF Systems”, in Analog Circuit Design – RF Circuits: Wide band, Front-Ends, DACs, Design Methodology and Verification for RF and Mixed-Signal Systems, Low Power and Low Voltage (eds: Steyaert/van Roermund/Huijsing), Springer, January 2006.
J. Roychowdhury and R. Melville, “ Delivering Global DC Convergence for Large Mixed-Signal Circuits via Homotopy/Continuation Methods”, IEEE Trans. Computer-Aided Design, Jan 2006.
P. Goyal, X. Lai and J. Roychowdhury†, “ A Fast Methodology for First-Time-Correct Design of PLLs Using Nonlinear Phase-Domain VCO Macromodels”, Proc. IEEE Asia South-Pacific Design Automation Conference, January 2006.
X. Lai and J. Roychowdhury†, “ Fast Simulation of Large Networks of Nanotechnological and Biochemical Oscillators for Investigating Self-Organization Phenomena”, Proc. IEEE Asia South-Pacific Design Automation Conference, January 2006.
X. Lai and J. Roychowdhury†, “ Macromodelling Oscillators Using Krylov-Subspace Methods”, Proc. IEEE Asia South-Pacific Design Automation Conference, January 2006.
T. Mei† and J. Roychowdhury, “ An Efficient and Robust Technique for Tracking Amplitude and Frequency Envelopes in Oscillators”, Proc. IEEE International Conference on Computer-Aided Design, Nov 2005.
T. Mei† and J. Roychowdhury, “ Oscillator-AC: Restoring Rigour to Linearized Small Signal Analysis of Oscillators”, Proc. IEEE International Conference on Computer-Aided Design, Nov 2005.
K. Boianapally, T. Mei† and J. Roychowdhury, “ A Multi-Harmonic Probe Technique for Computing Oscillator Steady States”, Proc. IEEE International Conference on Computer-Aided Design, Nov 2005.
B. Gu†, K. Gullapalli, S. Hamm, B. Mulvaney, X. Lai and J. Roychowdhury, “ Implementing nonlinear oscillator macromodel using Verilog-AMS for accurate prediction of injection locking behaviors of oscillators”, Proc. IEEE Behavioral Modeling and Simulation Workshop, September 2005.
X. Lai†, Y. Wan and J. Roychowdhury, “ Understanding Injection Locking in Negative Resistance LC Oscillators Intuitively Using Nonlinear Feedback Analysis”, Proc. IEEE Custom Integrated Circuits Conference, September 2005.
X. Lai† and J. Roychowdhury, “ Analytical Equations For Predicting Injection Locking in LC and Ring Oscillators”, Proc. IEEE Custom Integrated Circuits Conference, September 2005.
(invited paper) J. Roychowdhury†, “Recent Progress in Oscillator/PLL Analysis and Simulation”, COE Workshop for SoC Design Technology and Automation, September 2005.
(invited paper) J. Roychowdhury, “ A Multi-Time Circuit Formulation for Closely-Spaced Frequencies”, International Journal of RF and Microwave Computer-Aided Engineering, Vol 15, No 4, pages 382–393, July 2005.
J. Roychowdhury, “ Resolving Fundamental Issues of Slowness in Envelope Simulation Methods”, International Journal of RF and Microwave Computer-Aided Engineering, Vol 15, No 4, pages 371–381, July 2005.
(invited paper) T. Mei† and J. Roychowdhury, “Solution of Oscillator Steady States Using Homotopy”, SIAM Annual Conference, July 2005.
(invited paper) X. Lai and J. Roychowdhury†, “ Coupled Oscillator Simulation”, Proc. International Microwave Symposium, June 2005.
Y. Wan† and J. Roychowdhury, “ Operator-based Model-Order Reduction of Linear Periodically Time-Varying Systems”, Proc. IEEE Design Automation Conference, June 2005.
N. Dong† and J. Roychowdhury, “ Automated Nonlinear Macromodelling of Output Buffers for High-Speed Digital Applications”, Proc. IEEE Design Automation Conference, June 2005.
(invited paper) J. Roychowdhury, “Automated Macromodelling: Techniques and Applications”, SIAM Computational Science and Engineering Conference, February 2005.
(invited paper) T. Mei† and J. Roychowdhury, “An Efficient Method for the Simulation of Oscillators”, SIAM Computational Science and Engineering Conference, February 2005.
(D.O. Pederson Best Paper Nomination) T. Mei, J. Roychowdhury, T. Coffey, S. Hutchinson and D. Day “ Stability Analysis of Time-Domain Methods for Solving MPDEs of Fast/Slow Systems”, IEEE Trans. Computer-Aided Design, Feb 2005.
J. Roychowdhury, “ Exact Analytical Equations for Predicting Nonlinear Phase Errors and Jitter in Ring Oscillators”, Proc. IEEE International Conference on VLSI Design, Jan 2005.
(best paper) X. Lai, Y. Wan and J. Roychowdhury†, “ Fast PLL Simulation Using Nonlinear VCO Macromodels for Accurate Prediction of Jitter and Cycle-Slipping due to Loop Non-idealities and Supply Noise”, Proc. IEEE Asia South-Pacific Design Automation Conference, Jan 2005.
(invited paper) Z. Wang, R. Murgai and J. Roychowdhury, “ ADAMIN: Automated, Accurate Macromodelling of Digital Aggressors for Power/Ground/Substrate Noise Prediction”, IEEE Trans. Computer-Aided Design, Jan 2005.
(best paper nomination) X. Lai† and J. Roychowdhury, “ Automated Oscillator Macromodelling Techniques for Capturing Amplitude Variations and Injection Locking”, Proc. IEEE International Conference on Computer-Aided Design, Nov 2004.
X. Lai† and J. Roychowdhury, “ Fast, Accurate Prediction of PLL Jitter Induced by Power Grid Noise”, Proc. IEEE Custom Integrated Circuits Conference, Oct 2004.
N. Dong† and J. Roychowdhury, “ Automated Extraction of Broadly-Applicable Nonlinear Analog Macromodels from SPICE-level Descriptions”, Proc. IEEE Custom Integrated Circuits Conference, Oct 2004.
(invited paper) J. Roychowdhury, “An Overview of Automated Macromodelling Techniques for Mixed-Signal Systems”, Proc. IEEE Custom Integrated Circuits Conference, Oct 2004.
X. Lai and J. Roychowdhury, “ Capturing Oscillator Injection Locking via Nonlinear Phase-Domain Macromodels”, IEEE J. Microwave Theory and Techniques, Vol. 52, No. 9, pp. 2251–2261, September 2004.
T. Mei†, T. Coffey, S. Hutchinson, D. Day and J. Roychowdhury, “ Robust, Stable Time-Domain Methods for Solving MPDEs of Fast/Slow Systems”, Proc. IEEE Design Automation Conference, June 2004.
Z. Wang, R. Murgai and J. Roychowdhury†, “ Macromodelling of Digital Libraries for Substrate Noise Analysis”, Proc. IEEE International Symposium on Circuits and Systems, May 2004.
(invited paper) J. Roychowdhury, “ Algorithmic methods for bottom-up generation of system-level RF macromodels”, IEEE-EURASIP International Symposium on Control, Communications, and Signal Processing, Hammamet, Tunisia, March 2004.
(invited paper) T. Mei† and J. Roychowdhury, “Time-domain ICs for the MPDE”, SIAM Parallel Processing Conference, March 2004.
Z. Wang, R. Murgai and J. Roychowdhury†, “ Automated, accurate macromodelling of digital aggressors for power/ground/substrate noise prediction”, Proc. IEEE Conference on Design, Automation and Test in Europe, Feb 2004.
P. Ghanta, Z. Li and J. Roychowdhury†, “ Analytical Expressions for Phase Noise Eigenfunctions of LC Oscillators”, Proc. IEEE Asia South-Pacific Design Automation Conference, Jan 2004.
(invited paper) J. Roychowdhury, Algorithmic Macromodelling Methods for Mixed-Signal Systems, IEEE VLSI Design Conference, Mumbai, India, Jan 2004.
(invited plenary session address) J. Roychowdhury, “Automated Macromodel Generation for Electronic Systems”, IEEE Behavioral Modeling and Simulation Workshop, San Jose, CA, Oct 2003.
O. Narayan and J. Roychowdhury, “ Analyzing Oscillators using Multitime PDEs”, IEEE Trans. Circuits and Systems I: Fundamental Theory and Applications, Vol. 50, July 2003, pp. 894–903.
N. Dong† and J. Roychowdhury, “ Piecewise Polynomial Nonlinear Model Reduction”, Proc. IEEE Design Automation Conference, June 2003.
A. Demir and J. Roychowdhury, “ A Reliable and Efficient Procedure for Oscillator PPV Computation, with Phase Noise Macromodelling Applications”, IEEE Trans. Computer-Aided Design, Vol. 22, Feb 2003, pp. 188–197.
J. Roychowdhury, “ Making Fourier-Envelope Simulation Robust”, Proc. IEEE International Conference on Computer-Aided Design, November 2002.
J. Roychowdhury, “ A Time-domain RF Steady-State Method for Closely Spaced Tones”, Proc. IEEE Design Automation Conference, June 2002.
J. Roychowdhury, “ Theory and Algorithms for RF Sensitivity Computation”, Proc. IEEE International Symposium on Circuits and Systems, May 2002.
(invited book chapter) J. Roychowdhury, “Multi-Time PDEs for Dynamical System Analysis”, in Applied and Computational Control, Signals and Circuits (ed: Datta), Kluwer Academic Publishers, September 2001.
(invited book chapter) J. Roychowdhury, “Analysis and simulation of RF subsystems”, in Low power design techniques and CAD tools for analog and RF integrated circuits (eds: Wambacq, Gielen and Gerrits), Kluwer Academic Publishers, July 2001.
J. Roychowdhury, “ Analyzing Circuits with Widely Separated Time Scales using Numerical PDE Methods”, IEEE Trans. Circuits and Systems I: Fundamental Theory and Applications, Vol. 48, May 2001, pp. 578-594.
(invited paper) P. Wambacq†, G. Vandersteen, J. Phillips, J. Roychowdhury, W. Eberle, B. Yang, D. Long and A. Demir, “CAD for RF Circuits”, Proc. IEEE Conference on Design, Automation and Test in Europe, March 2001.
A. Demir and J. Roychowdhury†, “ Computing Phase Noise Eigenfunctions Directly from Steady-State Jacobian Matrices”, Proc. IEEE International Conference on Computer-Aided Design, November 2000.
(invited paper) J. Roychowdhury, “Automated Macromodelling of Time-Varying Systems, with RF Applications”, Proc. IEEE Automated RF Techniques Group Workshop, June 2000.
A. Demir, A. Mehrotra, and J. Roychowdhury, “ Phase Noise in Oscillators: A Unifying Theory and Numerical Methods for Characterization”, IEEE Trans. Circuits and Systems I: Fundamental Theory and Applications, Vol. 47, May 2000, pp. 655-674.
K. Mayaram, D.C. Lee, S. Moinian, D. Rich and J. Roychowdhury, “ Overview of Computer-Aided Analysis Tools for RFIC Simulation: Algorithms, Features, and Limitations”, IEEE Trans. Circuits and Systems II: Analog and Digital Signal Processing, Vol. 47, April 2000, pp. 274-286.
J. Roychowdhury, “ Reduced-order Modelling of Time-Varying Systems”, IEEE Trans. Circuits and Systems II: Analog and Digital Signal Processing, Vol. 46, October 1999, pp. 1273-1288.
J. Roychowdhury, “ Automated Macromodelling of ‘Nonlinear’ Wireless Blocks”, Proc. IEEE Custom Integrated Circuits Conference, May 1999.
(best paper) J. Roychowdhury, “ Reduced-order Modelling of Time-Varying Systems”, Proc. IEEE Asia South-Pacific Design Automation Conference, January 1999.
(best paper nomination) O. Narayan and J. Roychowdhury†, “ Analyzing Forced Oscillators with Multiple Time Scales”, Proc. IEEE Asia South-Pacific Design Automation Conference, January 1999.
J. Roychowdhury. “ Reduced-order Modelling of Linear Time-Varying Systems”, Proc. IEEE International Conference on Computer-Aided Design, November 1998.
J. Roychowdhury, “ Analyzing strongly nonlinear multitone circuits by multi-time methods”, Proc. European Microwave Conference, September 1998.
A. Dunlop†, A. Demir, P. Feldmann, S. Kapur, D. Long, R. Melville and J. Roychowdhury, “ Tools and Methodology for RF IC Design”, Proc. IEEE Design Automation Conference, June 1998.
A. Demir†, A Mehrotra and J. Roychowdhury, “ Phase Noise in Oscillators – A Unifying Theory and Numerical Methods for Characterization”, Proc. IEEE Design Automation Conference, June 1998.
A. Demir†, A Mehrotra and J. Roychowdhury, “ Phase Noise and Timing Jitter in Oscillators”, Proc. IEEE Custom Integrated Circuits Conference, May 1998.
J. Roychowdhury, “ MPDE Methods for Efficient Analysis of Wireless Systems”, Proc. IEEE Custom Integrated Circuits Conference, May 1998.
(invited paper) J. Roychowdhury, D. Long and P. Feldmann, “ Cyclostationary Noise Analysis of Large RF Circuits with Multi-tone Excitations”, IEEE J. Solid-State Circuits, Vol. 33, March 1998, pp. 324-336.
A. Demir, A. Mehrotra† and J. Roychowdhury, “Phase Noise in Oscillators”, Proc. International Symposium on Nonlinear Circuit Theory and Its Applications, November 1997.
(best paper) J. Roychowdhury, “ Efficient Methods for Simulating Highly Nonlinear Multi-rate Circuits”, Proc. IEEE Design Automation Conference, June 1997.
(invited paper) K. Mayaram†, D.C. Lee, S. Moinian, D. Rich and J. Roychowdhury, “ Overview of Computer-Aided Analysis Tools for RFIC Simulation: Algorithms, Features, and Limitations”, Proc. IEEE Custom Integrated Circuits Conference, May 1997.
J. Roychowdhury†, D. Long and P. Feldmann, “ Cyclostationary Noise Analysis of Large RF Circuits with Multi-tone Excitations”, Proc. IEEE Custom Integrated Circuits Conference, May 1997.
J. Roychowdhury, “Multitime PDEs for Dynamical System Analysis”, Weizmann Institute Workshop on Multiscale Phenomena, Modeling and Computation, March 1997.
(best paper) J. Roychowdhury† and P. Feldmann, “ A New Linear-Time Harmonic Balance Algorithm for Cyclostationary Noise Analysis in RF Circuits”, Proc. IEEE Asia South-Pacific Design Automation Conference, January 1997.
P. Feldmann† and J. Roychowdhury, “ Computation of Circuit Waveform Envelopes Using an Efficient, Matrix-Decomposed Harmonic Balance Algorithm”, Proc. IEEE International Conference on Computer-Aided Design, November 1996.
S. Kapur†, D. Long and J. Roychowdhury, “ Efficient time-domain simulation of frequency-dependent elements”, Proc. IEEE International Conference on Computer-Aided Design, November 1996.
J. Roychowdhury† and R.C. Melville, “ Homotopy Techniques for Obtaining a DC Solution of Large-Scale MOS Circuits”, Proc. IEEE Design Automation Conference, June 1996.
J. Roychowdhury, “ A New Technique for the Efficient Solution of Singular Circuits”, Proc. IEEE Custom Integrated Circuits Conference, May 1996.
R.C. Melville†, P. Feldmann and J. Roychowdhury, “ Efficient Multi-tone Distortion Analysis of Analog Integrated Circuits”, Proc. IEEE Custom Integrated Circuits Conference, May 1995.
J. Roychowdhury, “ Avoiding Dispersion in Distributed RLC Lines by Shaping”, Proc. IEEE Multi-Chip Module Conference, February 1995.
J. Roychowdhury, A.R. Newton and D.O. Pederson, “ Algorithms for the Transient Simulation of Lossy Interconnect”, IEEE Trans. Computer-Aided Design, Vol. 13, January 1994, pp. 96-104.
J. Roychowdhury†, A.R. Newton and D.O. Pederson, “ An Exact Analytic Technique for Simulating Uniform RC Lines”, Proc. European Design Automation Conference, September 1992.
(best paper nomination) J. Roychowdhury†, A.R. Newton and D.O. Pederson, “ Simulating Lossy Interconnect with High Frequency Nonidealities in Linear Time”, Proc. IEEE Design Automation Conference, June 1992.
(distinguished paper) J. Roychowdhury†, A.R. Newton and D.O. Pederson, “ An Impulse-Response based Linear Time-Complexity Algorithm for Lossy Interconnect Simulation”, Proc. IEEE International Conference on Computer-Aided Design, November 1991.
(best paper nomination) J. Roychowdhury† and D.O. Pederson, “ Efficient Transient Simulation of Lossy Interconnect”, Proc. IEEE Design Automation Conference, June 1991.