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Oscar Gustafsson

Associate Professor

My research primarily focus on efficient computations in digital circuits both ASIC and FPGA. The applications cover a wide area, although communication is frequently recurring.

Publication list

Recent preprints

Oscar Gustafsson, Cheolyong Bae, Hakan Johansson, Least-Squares Design of Chromatic Dispersion Compensation FIR Filters Realized with Overlap-Save Processing (2023)  https://arxiv.org/abs/2308.05747

Muhammad Abbas, Oscar Gustafsson, Integer Linear Programming Modeling of Addition Sequences With Additional Constraints for Evaluation of Power Terms (2023)  https://arxiv.org/abs/2306.15002

Journal papers

Narges Mohammadi Sarband, Ema Becirovic, Mattias Krysander, Erik G. Larsson, Oscar Gustafsson,  Massive Machine-Type Communication Pilot-Hopping Sequence Detection Architectures Based on Non-Negative Least Squares for Grant-Free Random Access, IEEE Open Journal of Circuits and Systems 2:253-264 (2021)  https://doi.org/10.1109/ojcas.2020.3043643

Narges Mohammadi Sarband, Oscar Gustafsson, Mario Garrido Gálvez,  Using Transposition to Efficiently Solve Constant Matrix-Vector Multiplication and Sum of Product Problems, Journal of Signal Processing Systems 92:1075-1089 (2020)  https://doi.org/10.1007/s11265-020-01560-z

Syed Asad Alam, Oscar Gustafsson,  Improved Particle Filter Resampling Architectures, Journal of Signal Processing Systems 92:555-568 (2020)  https://doi.org/10.1007/s11265-019-01489-y

Hans Kanders, Tobias Mellqvist, Mario Garrido Gálvez, Kent Palmkvist, Oscar Gustafsson,  A 1 Million-Point FFT on a Single FPGA, IEEE Transactions on Circuits and Systems Part 1 66:3863-3873 (2019)  https://doi.org/10.1109/TCSI.2019.2918403

Mario Garrido, Jesus Grajal, Oscar Gustafsson,  Optimum Circuits for Bit-Dimension Permutations, IEEE Transactions on Very Large Scale Integration (vlsi) Systems 27:1148-1160 (2019)  https://doi.org/10.1109/TVLSI.2019.2892322

Mohammad Reza Sadeghifar, Oscar Gustafsson, Jacob Wikner,  Optimization problem formulation for semi-digital FIR digital-to-analog converter considering coefficients precision and analog metrics, Analog Integrated Circuits and Signal Processing 99:287-298 (2019)  https://doi.org/10.1007/s10470-018-1370-7

Mohammad Reza Sadeghifar, Hakan Bengtsson, Jacob Wikner, Oscar Gustafsson,  Direct digital-to-RF converter employing semi-digital FIR voltage-mode RF DAC, Integration 66:128-134 (2019)  https://doi.org/10.1016/j.vlsi.2019.02.005

Carl Ingemarsson, Oscar Gustafsson,  SFF—The Single-Stream FPGA-Optimized Feedforward FFT Hardware Architecture, Journal of Signal Processing Systems 90:1583-1592 (2018)  https://doi.org/10.1007/s11265-018-1370-y

Martin Kumm, Oscar Gustafsson, Mario Garrido Gálvez, Peter Zipf,  Optimal Single Constant Multiplication Using Ternary Adders, IEEE Transactions on Circuits and Systems II - Express Briefs 65:928-932 (2018)  https://doi.org/10.1109/TCSII.2016.2631630

Carl Ingemarsson, Petter Källström, Fahad Qureshi, Oscar Gustafsson,  Efficient FPGA Mapping of Pipeline SDF FFT Cores, IEEE Transactions on Very Large Scale Integration (vlsi) Systems 25:2486-2497 (2017)  https://doi.org/10.1109/TVLSI.2017.2710479

Mario Garrido Gálvez, Petter Källström, Martin Kumm, Oscar Gustafsson,  CORDIC II: A New Improved CORDIC Algorithm, IEEE Transactions on Circuits and Systems II - Express Briefs 63:186-190 (2016)  https://doi.org/10.1109/TCSII.2015.2483422

Mario Garrido Gálvez, Rikard Andersson, Fahad Qureshi, Oscar Gustafsson,  Multiplierless Unity-Gain SDF FFTs, IEEE Transactions on Very Large Scale Integration (vlsi) Systems 24:3003-3007 (2016)  https://doi.org/10.1109/TVLSI.2016.2542583

Mario Garrido Gálvez, Shen-Jui Huang, Sau-Gee Chen, Oscar Gustafsson,  The Serial Commutator FFT, IEEE Transactions on Circuits and Systems II - Express Briefs 63:974-978 (2016)  https://doi.org/10.1109/TCSII.2016.2538119

Syed Asad Alam, Oscar Gustafsson,  On the implementation of time-multiplexed frequency-response masking filters, IEEE Transactions on Signal Processing 64:3933-3944 (2016)  https://doi.org/10.1109/TSP.2016.2557298

Amir Eghbali, Håkan Johansson, Oscar Gustafsson, Seb J. Savory,  Optimal Least-Squares FIR Digital Filters for Compensation of Chromatic Dispersion in Digital Coherent Optical Receivers, Journal of Lightwave Technology 32:1449-1456 (2014)  https://doi.org/10.1109/JLT.2014.2307916

Mario Garrido Gálvez, Fahad Qureshi, Oscar Gustafsson,  Low-Complexity Multiplierless Constant Rotators Based on Combined Coefficient Selection and Shift-and-Add Implementation (CCSSI), IEEE Transactions on Circuits and Systems Part 1 61:2002-2012 (2014)  https://doi.org/10.1109/TCSI.2014.2304664

Nadeem Afzal, Jacob Wikner, Oscar Gustafsson,  Reducing Complexity and Power of Digital Multibit Error-Feedback Delta Sigma Modulators, IEEE Transactions on Circuits and Systems II - Express Briefs 61:641-645 (2014)  https://doi.org/10.1109/TCSII.2014.2331105

Syed Asad Alam, Oscar Gustafsson,  Design of Finite Word Length Linear-Phase FIR Filters inthe Logarithmic Number System Domain, VLSI design (Print) 2014 (2014)  https://doi.org/10.1155/2014/217495

Ashkan Ashrafi, Antonio G. M. Strollo, Oscar Gustafsson,  Hardware implementation of digital signal processing algorithms, Journal of Electrical and Computer Engineering 2013:1-2 (2013)  https://doi.org/10.1155/2013/782575

Fahad Qureshi, Mario Garrido, Oscar Gustafsson,  Unified architecture for 2, 3, 4, 5, and 7-point DFTs based on Winograd Fourier transform algorithm, Electronics Letters 49:348-U60 (2013)  https://doi.org/10.1049/el.2012.0577

Mario Garrido Gálvez, J Grajal, M A. Sanchez, Oscar Gustafsson,  Pipelined Radix-2(k) Feedforward FFT Architectures, IEEE Transactions on Very Large Scale Integration (vlsi) Systems 21:23-32 (2013)  https://doi.org/10.1109/TVLSI.2011.2178275

Muhammad Abbas, Oscar Gustafsson, Håkan Johansson,  On the Fixed-Point Implementation of Fractional-Delay Filters Based on the Farrow Structure, IEEE Transactions on Circuits and Systems Part 1 60:926-937 (2013)  https://doi.org/10.1109/TCSI.2013.2244272

Zaka Ullah Sheikh, Oscar Gustafsson,  Linear Programming Design of Coefficient Decimation FIR Filters, IEEE Transactions on Circuits and Systems II - Express Briefs 59:60-64 (2012)  https://doi.org/10.1109/TCSII.2011.2173965

Erik G Larsson, Oscar Gustafsson,  The Impact of Dynamic Voltage and Frequency Scaling on Multicore DSP Algorithm Design, IEEE SIGNAL PROCESSING MAGAZINE 28 (2011)  https://doi.org/10.1109/MSP.2011.940410

Fahad Qureshi, Oscar Gustafsson,  Low-Complexity Constant Multiplication Based on Trigonometric Identities with Applications to FFTs, IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences E94A:2361-2368 (2011)  https://doi.org/10.1587/transfun.E94.A.2361

M Faust, Oscar Gustafsson, C-H Chang,  Fast and VLSI efficient binary-to-CSD encoder using bypass signal, ELECTRONICS LETTERS 47:18-19 (2011)  https://doi.org/10.1049/el.2010.3055

Mario Garrido Gálvez, Oscar Gustafsson, Jesus Grajal,  Accurate Rotations Based on Coefficient Scaling, IEEE Transactions on Circuits and Systems II - Express Briefs 58:662-666 (2011)  https://doi.org/10.1109/TCSII.2011.2164144

Mario Garrido Gálvez, Jesus Grajal, Oscar Gustafsson,  Optimum Circuits for Bit Reversal, IEEE Transactions on Circuits and Systems II - Express Briefs 58:657-661 (2011)  https://doi.org/10.1109/TCSII.2011.2164141

Saima Athar, Oscar Gustafsson, Fahad Qureshi, Izzet Kale,  On the efficient computation of single-bit input word length pipelined FFTs, IEICE Electronics Express 8:1437-1443 (2011)  https://doi.org/10.1587/elex.8.1437

Oscar Gustafsson, Fahad Qureshi,  Addition Aware Quantization for Low Complexity and High Precision Constant Multiplication, IEEE Signal Processing Letters 17:173-176 (2010)  https://doi.org/10.1109/LSP.2009.2036384

Anton Blad, Oscar Gustafsson,  Integer Linear Programming-Based Bit-Level Optimization for High-Speed FIR Decimation Filter Architectures, CIRCUITS SYSTEMS AND SIGNAL PROCESSING 29:81-101 (2010)  https://doi.org/10.1007/s00034-009-9116-5

Oscar Gustafsson,  Comments on `A 70 MHz multiplierless FIR Hilbert transformer in 0.35 \(\mu\)m standard CMOS library’, IEICE transactions on fundamentals of electronics, communications and computer sciences E91-A:899-900 (2008)

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Implementation of elementary functions for logarithmic number systems, IET Computers and digital techniques 2:295-304 (2008)  https://doi.org/10.1049/iet-cdt:20070080

Oscar Gustafsson,  Lower bounds for constant multiplication problems, IEEE transactions on circuits and systems 54:974-978 (2007)  https://doi.org/10.1109/TCSII.2007.903212

Oscar Gustafsson, Andrew Dempster, Kenny Johansson, Malcolm Macleod, Lars Wanhammar,  Simplified Design of Constant Coefficient Multipliers, Circuits, systems, and signal processing 25:225-251 (2006)  https://doi.org/10.1007/s00034-005-2505-5

Anton Blad, Oscar Gustafsson,  Energy-Efficient Data Representation in LDPC Decoders, Electronics Letters 42:1051-1052 (2006)  https://doi.org/10.1049/el:20061544

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Multiple Constant Multiplication for Digit-Serial Implementation of Low Power FIR Filters, WSEAS Transactions on Circuits and Systems 5:1001-1008 (2006)

Håkan Johansson, Oscar Gustafsson,  Linear-phase FIR interpolation, decimation, and M th-band filters utilizing the farrow structure, IEEE Transactions on Circuits And Systems Part I 52:2197-2207 (2005)  https://doi.org/10.1109/TCSI.2005.853264

Oscar Gustafsson,  Graph-based code word selection for memoryless low power bus coding, Electronics Letters 40:1531-1532 (2004)

Oscar Gustafsson,  Graph-based codeword selection for memoryless low-power bus coding, Electronics Letters 40:1531-1532 (2004)  https://doi.org/10.1049/el:20046587

Oscar Gustafsson, Håkan Johansson, Lars Wanhammar,  Single Filter Frequency Masking High-Speed Recursive Digital Filters, Circuits, systems, and signal processing 22:219-238 (2003)  https://doi.org/10.1007/s00034-004-7028-y

Oscar Gustafsson, Håkan Johansson, Lars Wanhammar,  Single filter frequency-response masking FIR filters, Journal of Circuits, Systems and Computers 12:601-630 (2003)  https://doi.org/10.1142/S0218126603001094

Conference papers

2024

Frans Skarman, Oscar Gustafsson,  Scalable FPGA Implementation of Dynamic Programming for Optimal Control of Hybrid Electrical Vehicles, DESIGN AND ARCHITECTURES FOR SIGNAL AND IMAGE PROCESSING, DASIP 2024, Lecture Notes in Computer Science, pp. 27-39, SPRINGER INTERNATIONAL PUBLISHING AG (2024)  https://doi.org/10.1007/978-3-031-62874-0_3

Mahdieh Grailootanha, Tooraj Nikoubin, Oscar Gustafsson, Jose Luis Nunez-Yanez,  Activation Function Integration for Accelerating Multi-Layer Graph Convolutional Neural Networks, 17TH IEEE DALLAS CIRCUITS AND SYSTEMS CONFERENCE, DCAS 2024, Proceedings of the IEEE Dallas Circuits and Systems Workshop, IEEE (2024)  https://doi.org/10.1109/DCAS61159.2024.10539892

Mikael Henriksson, Theodor Lindberg, Oscar Gustafsson,  APyTypes: Algorithmic Data Types in Python for Efficient Simulation of Finite Word-Length Effects, Proceedings of the IEEE 31st Symposium on Computer Arithmetic (ARITH), pp. 72-75, Institute of Electrical and Electronics Engineers (IEEE), Malaga, Spain (2024)  https://doi.org/10.1109/ARITH61463.2024.00021

Olle Hansson, Mahdieh Grailootanha, Oscar Gustafsson, Jose Luis Nunez-Yanez,  Deep Quantization of Graph Neural Networks with Run-Time Hardware-Aware Training, APPLIED RECONFIGURABLE COMPUTING. ARCHITECTURES, TOOLS, AND APPLICATIONS, ARC 2024, Lecture Notes in Computer Science, pp. 33-47, SPRINGER INTERNATIONAL PUBLISHING AG (2024)  https://doi.org/10.1007/978-3-031-55673-9_3

2023

Cheolyong Bae, Oscar Gustafsson,  FFT-Size Implementation Tradeoffs for Chromatic Dispersion Compensation Filters, (2023)  https://doi.org/10.1364/SPPCOM.2023.SpTu3E.1

Frans Skarman, Oscar Gustafsson,  Abstraction in the Spade Hardware Description Language, (2023)

Frans Skarman, Oscar Gustafsson,  Spade: An Expression-Based HDL With Pipelines, Proceedings of the 3rd Workshop on Open-Source Design Automation (OSDA), 2023, arXiv.org, pp. 7-12 (2023)  https://arxiv.org/abs/2304.03079

Mikael Henriksson, Oscar Gustafsson,  Streaming Matrix Transposition on FPGAs Using Distributed Memories, Proceeding of the IEEE Nordic Circuits and Systems Conference (NorCAS), Institute of Electrical and Electronics Engineers (IEEE), Aalborg, Denmark (2023)  https://doi.org/10.1109/NorCAS58970.2023.10305472

Mohd Tasleem Khan, Oscar Gustafsson,  Analyzing Step-Size Approximation for Fixed-Point Implementation of LMS and BLMS Algorithms, 2023 IEEE Nordic Circuits and Systems Conference (NorCAS), IEEE (2023)  https://doi.org/10.1109/NorCAS58970.2023.10305481

2022

Oscar Gustafsson, Cheolyong Bae,  Shift-and-Add Realization Trade-Offs for Chromatic Dispersion Compensation FIR Filters, Optica Advanced Photonics Congress 2022, Optical Society of America (2022)  https://doi.org/10.1364/SPPCOM.2022.SpTh1I.3

Frans Skarman, Oscar Gustafsson,  Spade: An HDL Inspired by Modern Software Languages, 2022 32nd International Conference on Field-Programmable Logic and Applications (FPL), International Conference on Field Programmable Logic and Applications, pp. 454-455, Institute of Electrical and Electronics Engineers (IEEE) (2022)  https://doi.org/10.1109/FPL57034.2022.00075

Mohd Tasleem Khan, Oscar Gustafsson,  ASIC Implementation Trade-Offs for High-Speed LMS and Block LMS Adaptive Filters, 65th International Midwest Symposium on Circuits and Systems (MWSCAS), Midwest Symposium on Circuits and Systems. Conference Proceedings, pp. 1-4, Institute of Electrical and Electronics Engineers (IEEE), Fukuoka, Japan (2022)  https://doi.org/10.1109/MWSCAS54063.2022.9859296

2021

Oscar Gustafsson, Noah Hellman,  Approximate Floating-Point Operations with Integer Units by Processing in the Logarithmic Domain, 2021 IEEE 28th Symposium on Computer Arithmetic (ARITH), pp. 45-52, Institute of Electrical and Electronics Engineers (IEEE) (2021)  https://doi.org/10.1109/ARITH51176.2021.00019

Cheolyong Bae, Oscar Gustafsson,  Finite Word Length Analysis for FFT-Based Chromatic Dispersion Compensation Filters, Signal Processing in Photonic Communications 2021, Optics InfoBase Conference Papers, Optica Publishing Group (2021)  https://doi.org/10.1364/SPPCOM.2021.SpTh1D.3

Cheolyong Bae, Oscar Gustafsson,  Overlap-Save Commutators for High-Speed Streaming Data Filtering, 2021 IEEE International Symposium on Circuits and Systems (ISCAS), IEEE International Symposium on Circuits and Systems (ISCAS), IEEE (2021)  https://doi.org/10.1109/ISCAS51556.2021.9401186

Erik Bertilsson, Carl Ingemarsson, Oscar Gustafsson,  Low-Latency Parallel Hermitian Positive-Definite Matrix Inversion for Massive MIMO, 2021 IEEE WORKSHOP ON SIGNAL PROCESSING SYSTEMS (SIPS 2021), IEEE International Symposium on Biomedical Imaging, pp. 23-28, Institute of Electrical and Electronics Engineers (IEEE) (2021)  https://doi.org/10.1109/SiPS52927.2021.00013

2020

Cheolyong Bae, Oscar Gustafsson,  High-Speed Chromatic Dispersion Compensation Filtering in FPGAs for Coherent Optical Communication, 2020 30th International Conference on Field-Programmable Logic and Applications (FPL), International Conference on Field-Programmable Logic and Applications (FPL), pp. 357-358, IEEE (2020)  https://doi.org/10.1109/FPL50879.2020.00067

Cheolyong Bae, Per Larsson-Edefors, Oscar Gustafsson,  Benefit of Prime Factor FFTs in Fully Parallel 60 GBaud CDC Filters, OSA Advanced Photonics Congress (AP) 2020, Optica Publishing Group (2020)  https://doi.org/10.1364/SPPCOM.2020.SpTu2I.2

Christoffer Fougstedt, Oscar Gustafsson, Cheolyong Bae, Erik Börjesson, Per Larsson-Edefors,  ASIC Design Exploration for DSP and FEC of 400-Gbit/s Coherent Data-Center Interconnect Receivers, Optical Fiber Communication Conference (OFC) 2020, Optical Society of America (2020)  https://doi.org/10.1364/OFC.2020.Th2A.38

Frans Skarman, Oscar Gustafsson, Daniel Jung, Mattias Krysander,  A Tool to Enable FPGA-Accelerated Dynamic Programming for Energy Management of Hybrid Electric Vehicles, IFAC PAPERSONLINE, pp. 15104-15109, ELSEVIER (2020)  https://doi.org/10.1016/j.ifacol.2020.12.2033

Frans Skarman, Oscar Gustafsson, Daniel Jung, Mattias Krysander,  Acceleration of Simulation Models Through Automatic Conversion to FPGA Hardware, 2020 30th International Conference on Field-Programmable Logic and Applications (FPL), pp. 359-360, IEEE (2020)  https://doi.org/10.1109/FPL50879.2020.00068

Mikael Henriksson, Oscar Gustafsson, Unnikrishnan Kunnath Ganesan, Erik G. Larsson,  An Architecture for Grant-Free Random Access Massive Machine Type Communication Using Coordinate Descent, Proceedings of Fifty-Fourth Asilomar Conference on Signals, Systems and Computers, Asilomar Conference on Signals, Systems and Computers, pp. 1112-1116, IEEE, Pacific Grove, CA, USA (2020)  https://doi.org/10.1109/IEEECONF51394.2020.9443507

Narges Mohammadi Sarband, Ema Becirovic, Mattias Krysander, Erik G. Larsson, Oscar Gustafsson,  Pilot-Hopping Sequence Detection Architecture for Grant-Free Random Access using Massive MIMO, 2020 IEEE International Symposium on Circuits and Systems (ISCAS), International Symposium on Circuits and Systems (ISCAS), IEEE (2020)  https://doi.org/10.1109/ISCAS45731.2020.9180888

2019

Markus Tran, Oscar Gustafsson, Petter Källström, Kamil Senel, Erik G Larsson,  An Architecture for Grant-Free Massive MIMO MTC Based on Compressive Sensing, CONFERENCE RECORD OF THE 2019 FIFTY-THIRD ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS, Conference Record of the Asilomar Conference on Signals Systems and Computers, pp. 901-905, IEEE (2019)  https://doi.org/10.1109/IEEECONF44664.2019.9048663

2018

Cheolyong Bae, Madhur Gokhale, Oscar Gustafsson, Mario Garrido Gálvez,  Improved Implementation Approaches for 512-tap 60 GSa/s Chromatic Dispersion FIR Filters, 2018 CONFERENCE RECORD OF 52ND ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS, AND COMPUTERS, Conference Record of the Asilomar Conference on Signals Systems and Computers, pp. 213-217, IEEE (2018)  https://doi.org/10.1109/ACSSC.2018.8645430

Erik Bertilsson, Oscar Gustafsson, Erik G Larsson,  A Modular Base Station Architecture for Massive MIMO with Antenna and User Scalability per Processing Node, 2018 CONFERENCE RECORD OF 52ND ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS, AND COMPUTERS, Conference Record of the Asilomar Conference on Signals Systems and Computers, pp. 1649-1653, IEEE (2018)  https://doi.org/10.1109/ACSSC.2018.8645197

Jeong Keun Jang, Ho Keun Kim, Myung Hoon Sunwoo, Oscar Gustafsson,  Area-Efficient Scheduling Scheme Based FFT Processor for Various OFDM Systems, 2018 IEEE ASIA PACIFIC CONFERENCE ON CIRCUITS AND SYSTEMS (APCCAS 2018), pp. 338-341, IEEE (2018)  https://doi.org/10.1109/APCCAS.2018.8605617

Jeong Keun Jang, Ho Keun Kim, Myung Hoon Sunwoo, Oscar Gustafsson,  Area-efficient scheduling scheme based FFT processor for various OFDM systems, (2018)

Martin Kumm, Oscar Gustafsson, Florent de Dinechin, Johannes Kappauf, Peter Zipf,  Karatsuba with Rectangular Multipliers for FPGAs, 2018 IEEE 25TH SYMPOSIUM ON COMPUTER ARITHMETIC (ARITH), International Symposium on Computer Arithmetic, pp. 13-20, IEEE (2018)  https://doi.org/10.1109/ARITH.2018.8464809

Narges Mohammadi Sarband, Oscar Gustafsson, Mario Garrido,  Obtaining Minimum Depth Sum of Products from Multiple Constant Multiplication, PROCEEDINGS OF THE 2018 IEEE INTERNATIONAL WORKSHOP ON SIGNAL PROCESSING SYSTEMS (SIPS), IEEE, IEEE Workshop on Signal Processing Systems, pp. 134-139, Institute of Electrical and Electronics Engineers (IEEE) (2018)  https://doi.org/10.1109/SiPS.2018.8598365

2017

Oscar Gustafsson,  On Lifting-Based Fixed-Point Complex Multiplications and Rotations, Proceedings 24th IEEE Symposium on Computer Arithmetic 24–26 July 2017 London, United Kingdom, Neil Burgess, Javier Bruguera and Florent de Dinechin (eds.), Proceedings Symposium on Computer Arithmetic, pp. 43-49, Institute of Electrical and Electronics Engineers (IEEE) (2017)  https://doi.org/10.1109/ARITH.2017.10

Oscar Gustafsson, Erik Bertilsson, Johannes Klasson, Carl Ingemarsson,  Approximate Neumann Series or Exact Matrix Inversion for Massive MIMO? (Invited Paper), Proceedings 2017 IEEE 24th Symposium on Computer Arithmetic (ARITH), London, UK, 24-26 July 2017, Neil Burgess, Javier Bruguera, and Florent de Dinechin (eds.), Proceedings Symposium on Computer Arithmetic, pp. 62-63, Institute of Electrical and Electronics Engineers (IEEE) (2017)  https://doi.org/10.1109/ARITH.2017.11

Anton Kovalev, Oscar Gustafsson, Mario Garrido,  Implementation approaches for 512-tap 60 GSa/s chromatic dispersion FIR filters, Conference Record of The Fifty-First Asilomar Conference on Signals, Systems & Computers, Michael B. Matthews (ed.), Signals, Systems, and Computers, pp. 1779-1783, Institute of Electrical and Electronics Engineers (IEEE) (2017)  https://doi.org/10.1109/ACSSC.2017.8335667

Erik Bertilsson, Oscar Gustafsson, Erik G. Larsson,  Computation Limited Matrix Inversion Using Neumann Series Expansion for Massive MIMO, 2017 FIFTY-FIRST ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS, AND COMPUTERS, pp. 466-469 (2017)  https://doi.org/10.1109/ACSSC.2017.8335382

2016

Carl Ingemarsson, Oscar Gustafsson,  Hardware Architecture for Positive Definite Matrix Inversion Based on LDL Decomposition and Back-Substitution, 2016 50TH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, Conference Record of the Asilomar Conference on Signals Systems and Computers, pp. 859-863, IEEE COMPUTER SOC (2016)  https://doi.org/10.1109/ACSSC.2016.7869171

Erik Bertilsson, Oscar Gustafsson, Erik G Larsson,  A Scalable Architecture for Massive MIMO Base Stations Using Distributed Processing, 2016 50TH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, Conference Record of the Asilomar Conference on Signals Systems and Computers, pp. 864-868, IEEE COMPUTER SOC, Washington (2016)  https://doi.org/10.1109/ACSSC.2016.7869172

Petter Källström, Oscar Gustafsson,  Fast and Area Efficient Adder for Wide Data in Recent Xilinx FPGAs, 26th International Conference on Field-Programmable Logic and Applications, Field Programmable Logic and Applications, International Conference on, pp. 338-341, IEEE, Lausanne (2016)  https://doi.org/10.1109/FPL.2016.7577348

2015

Oscar Gustafsson, Håkan Johansson,  Decimation Filters for High-Speed Delta-Sigma Modulators With Passband Constraints: General Versus CIC-Based FIR Filters, 2015 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), IEEE International Symposium on Circuits and Systems, pp. 2205-2208, IEEE conference proceedings (2015)  https://doi.org/10.1109/ISCAS.2015.7169119

Carl Ingemarsson, Oscar Gustafsson,  On fixed-point implementation of symmetric matrix inversion, Proceedings of the European Conference on Circuit Theory and Design (ECCTD), pp. 1-4, IEEE, Piscataway, NJ, USA (2015)  https://doi.org/10.1109/ECCTD.2015.7300068

Håkan Johansson, Oscar Gustafsson,  Filter-Bank Based All-Digital Channelizers and Aggregators for Multi-Standard Video Distribution, IEEE International Conference on Digital Signal Processing (DSP), 2015, pp. 1117-1120, IEEE (2015)  https://doi.org/10.1109/ICDSP.2015.7252052

Håkan Johansson, Oscar Gustafsson,  On frequency-domain implementation of digital FIR filters, IEEE International Conference on Digital Signal Processing (DSP), 2015, pp. 315-318, IEEE (2015)  https://doi.org/10.1109/ICDSP.2015.7251883

Syed Asad Alam, Oscar Gustafsson,  Generalized Division-Free Architecture and Compact Memory Structure for Resampling in Particle Filters, 2015 European Conference on Circuit Theory and Design (ECCTD), pp. 416-419, IEEE Press (2015)  https://doi.org/10.1109/ECCTD.2015.7300060

2014

Mario Garrido, Miguel Acevedo, Andreas Ehliar, Oscar Gustafsson,  Challenging the Limits of FFT Performance on FPGAs, , pp. 172-175, IEEE (2014)  https://doi.org/10.1109/ISICIR.2014.7029571

Mohammad Reza Sadeghifar, Jacob Wikner, Oscar Gustafsson,  Linear Programming Design of Semi-Digital FIR Filter and Sigma Delta Modulator for VDSL2 Transmitter, 2014 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), pp. 2465-2468, IEEE (2014)  https://doi.org/10.1109/ISCAS.2014.6865672

2013

Oscar Gustafsson, Andreas Ehliar,  Low-complexity general FIR filters based on Winograd’s inner product algorithm, IEEE conference proceedings (2013)

Padma Prasad Boopal, Mario Garrido Gálvez, Oscar Gustafsson,  A Reconfigurable FFT Architecture for Variable-Length and Multi-Streaming OFDM Standards, IEEE International Symposium on Circuits and Systems (ISCAS), 2013, Circuits and Systems (ISCAS), pp. 2066-2070, IEEE (2013)  https://doi.org/10.1109/ISCAS.2013.6572279

2012

Carl Ingemarsson, Petter Källström, Oscar Gustafsson,  Using DSP block pre-adders in pipeline SDF FFT implementations in contemporary FPGAs, 22nd International Conference on Field Programmable Logic and Applications (FPL), Dirk Koch, Satnam Singh, Jim Torresen (eds.), pp. 71-74, IEEE Communications Society, Piscataway, NJ, USA (2012)  https://doi.org/10.1109/FPL.2012.6339243

Petter Källström, Mario Garrido Gálvez, Oscar Gustafsson,  Low-Complexity Rotators for the FFT Using Base-3 Signed Stages, APCCAS 2012 : 2012 IEEE Asia Pacific Conference on Circuits and Systems, pp. 519-522, IEEE, Piscataway, N.J., USA (2012)  https://doi.org/10.1109/APCCAS.2012.6419086

2011

Anton Blad, Oscar Gustafsson,  FPGA implementation of rate-compatible QC-LDPC code decoder, , pp. 777-780 (2011)  https://doi.org/10.1109/ECCTD.2011.6043844

Carl Ingemarsson, Oscar Gustafsson,  Finite wordlength properties of matrix inversion algorithms in fixed-point and logarithmic number system, 2011 20th European Conference on Circuit Theory and Design (ECCTD), pp. 673-676, IEEE, Piscataway, NJ, USA (2011)  https://doi.org/10.1109/ECCTD.2011.6043633

Carl Ingemarsson, Oscar Gustafsson,  On Using the Logarithmic Number System for Finite Wordlength Matrix Inversion, The 54th IEEE International Midwest Symposium on Circuits and Systems, Midwest Symposium on Circuits and Systems. Conference Proceedings, pp. 1-4, IEEE, Piscataway, NJ, USA (2011)  https://doi.org/10.1109/MWSCAS.2011.6026264

Fahad Qureshi, Oscar Gustafsson,  Generation of All Radix-2 Fast Fourier Transform Algorithms Using Binary Trees and Its Analysis, Proceedings of ECCTD 2011: 20th EuropeanConference on Circuit Theory and Design (ECCTD), pp. 677-680, IEEE (2011)  https://doi.org/10.1109/ECCTD.2011.6043634

Muhammad Abbas, Oscar Gustafsson,  Computational and Implementation Complexity of Polynomial Evaluation Schemes, Proceedings of NORCHIP, 2011 Date:14-15 Nov. 2011, pp. 1-6, IEEE conference proceedings (2011)  https://doi.org/10.1109/NORCHP.2011.6126735

Petter Källström, Oscar Gustafsson,  Magnitude Scaling for Increased SFDR in DDFS, 29th Norchip Conference, Lund, Sweden, 14-15 November 2011, pp. 1-4, IEEE (2011)  https://doi.org/10.1109/NORCHP.2011.6126708

Syed Asad Alam, Oscar Gustafsson,  Implementation of Narrow-Band Frequency-Response Masking for Efficient Narrow Transition Band FIR Filters on FPGAs, NORCHIP, 2011, pp. 1-4, IEEE conference proceedings (2011)  https://doi.org/10.1109/NORCHP.2011.6126702

Syed Asad Alam, Oscar Gustafsson,  Implementation of Time-Multiplexed Sparse Periodic FIR Filters for FRM on FPGAs, , pp. 661-664, IEEE (2011)  https://doi.org/10.1109/ISCAS.2011.5937652

Tanvir Ahmed, Mario Garrido, Oscar Gustafsson,  A 512-point 8-parallel pipelined feedforward FFT for WPAN, 2011 Conference Record of the Forty Fifth Asilomar Conference on Signals, Systems and Computers (ASILOMAR), pp. 981-984, IEEE (2011)  https://doi.org/10.1109/ACSSC.2011.6190157

2010

Oscar Gustafsson, Khursheed Khursheed, Muhammad Imran, Lars Wanhammar,  Generalized overlapping digit patterns for multi-dimensional sub-expression sharing, 1st International Conference on Green Circuits and Systems, ICGCS 2010, pp. 65-68 (2010)  https://doi.org/10.1109/ICGCS.2010.5543096

Anton Blad, Oscar Gustafsson,  Redundancy reduction for high-speed FIR filter architectures based on carry-save adder trees, International Symposium on Circuits and Systems, IEEE (2010)  https://doi.org/10.1109/ISCAS.2010.5537997

Anton Blad, Oscar Gustafsson, Meng Zheng, Zesong Fei,  Integer linear programming based optimization of puncturing sequences for quasi-cyclic low-density parity-check codes, Proceedings of International Symposium on Turbo Codes and Iterative Information Processing, IEEE (2010)  https://doi.org/10.1109/ISTC.2010.5613847

Anton Blad, Oscar Gustafsson, Meng Zheng, Zesong Fei,  Rate-compatible LDPC code decoder using check-node merging, Proceedings of Asilomar Conference on Signals, Systems and Computers, pp. 1119-1123, IEEE (2010)  https://doi.org/10.1109/ACSSC.2010.5757578

Fahad Qureshi, Oscar Gustafsson,  Twiddle factor memory switching activity analysis of radix-22 and equivalent FFT algorithms, The IEEE International Symposium on Circuits and Systems (ISCAS) , Paris, 2010., pp. 4145-4148, IEEE (2010)  https://doi.org/10.1109/ISCAS.2010.5537605

Fahad Qureshi, Mario Garrido, Oscar Gustafsson,  Alternatives for Low-Complexity Complex Rotators, Proceedings of the 17th IEEE International Conference on Electronics, Circuits, and Systems, (ICECS 2010), Athens, Dec-12-15, 2010, pp. 17-20, IEEE (2010)  https://doi.org/10.1109/ICECS.2010.5724443

Fahad Qureshi, Syed Asad Alam, Oscar Gustafsson,  4-k point FFT algorithms based on optimized twiddle factor multiplication for FPGAs, The Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics (PrimeAsia), Shanghai, Sept. 22-24, 2010., pp. 225-228 (2010)  https://doi.org/10.1109/PRIMEASIA.2010.5604921

Muhammad Abbas, Oscar Gustafsson,  Switching Activity Estimation of CIC Filter Integrators, Proceedings of Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics (PrimeAsia), 2010, Date:22-24 Sept. 2010, pp. 21-24, IEEE (2010)  https://doi.org/10.1109/PRIMEASIA.2010.5604971

Muhammad Abbas, Oscar Gustafsson, Anton Blad,  Low-Complexity Parallel Evaluation of Powers Exploiting Bit-Level Redundancy, Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers (ASILOMAR), 2010, 7-10 Nov. 2010, Michael B. Matthews (ed.), Asilomar Conference on Signals, Systems and Computers. Conference Record, pp. 1168-1172, IEEE Computer Society, Washington, DC, USA (2010)  https://doi.org/10.1109/ACSSC.2010.5757714

Muhammad Abbas, Oscar Gustafsson, Lars Wanhammar,  Power Estimation of Recursive and Non-Recursive CIC Filters Implemented in Deep-Submicron Technology, Proceedings of International Conference on Green Circuits and Systems (ICGCS), 2010, Date: 21-23 June, 2010, pp. 221-225, IEEE (2010)  https://doi.org/10.1109/ICGCS.2010.5543063

Muhammad Imran, Khursheed Khursheed, Mattias O’ Nills, Oscar Gustafsson,  On the number representation in sub-expression sharing, International Conference on Signals and Electronic Systems, ICSES’10 - Conference Proceeding 2010,, pp. 17-20 (2010)

Zaka Ullah Sheikh, Oscar Gustafsson,  Design of Narrow-Band and Wide-Band Frequency-Response Masking Filters Using Sparse Non-Periodic Sub-Filters, European Signal Processing Conference (EUSIPCO) (2010)

Zaka Ullah Sheikh, Oscar Gustafsson, Lars Wanhammar,  Design of sparse non-periodic narrow-band and wide-band FRM-like FIR filters, Proceedings of the International Conference on Green Circuits and Systems (ICGCS), 2010, pp. 279-282 (2010)  https://doi.org/10.1109/ICGCS.2010.5543054

2009

Asghar Havashki, Lars Lundheim, Per Gunnar Kjeldsberg, Oscar Gustafsson, Geir E. Øien,  Analysis of switching activity in DSP signals in the presence of noise, IEEE EUROCON, pp. 234-239, IEEE, Piscataway (2009)  https://doi.org/10.1109/EURCON.2009.5167636

Fahad Qureshi, Oscar Gustafsson,  Analysis of Twiddle Factor Memory Complexity of Radix-2^i Pipelined FFTs, Conference Record - Asilomar Conference on Signals, Systems and Computers, pp. 217-220, IEEE (2009)  https://doi.org/10.1109/ACSSC.2009.5470121

Fahad Qureshi, Oscar Gustafsson,  Low-complexity reconfigurable complex constant multiplication for FFTs, IEEE International Symposium on Circuits and Systems, pp. 1137-1140, IEEE, Piscataway (2009)  https://doi.org/10.1109/ISCAS.2009.5117961

Kenny Johansson, Oscar Gustafsson, Linda DeBrunner,  Estimation of the switching activity in shift-and-add based computations, IEEE International Symposium on Circuits and Systems, pp. 3054-3057, Piscataway (2009)  https://doi.org/10.1109/ISCAS.2009.5118447

Muhammad Abbas, Oscar Gustafsson, Håkan Johansson,  Scaling of fractional delay filters based on the Farrow structure, Proceedings of IEEE International Symposium on Circuits and Systems, 2009. ISCAS 2009, pp. 489-492, IEEE, Piscataway (2009)  https://doi.org/10.1109/ISCAS.2009.5117792

2008

Oscar Gustafsson,  Towards optimal multiple constant multiplication, Conference Record of the Asilomar Conference on Signals Systems and Computers, pp. 1805-1809, IEEE, Piscataway, NJ (2008)  https://doi.org/10.1109/ACSSC.2008.5074738

Oscar Gustafsson, Kenny Johansson,  An empirical study on standard cell synthesis of elementary function look-up tables, Conference Record - Asilomar Conference on Signals, Systems and Computers, pp. 1810-1813, IEEE, Piscataway, NJ (2008)  https://doi.org/10.1109/ACSSC.2008.5074739

Anton Blad, Oscar Gustafsson,  Bit-level optimized high-speed architectures for decimation filter applications, IEEE International Symposium on Circuits and Systems 2008, p. 1914, IEEE, Piscataway, NJ (2008)  https://doi.org/10.1109/ISCAS.2008.4541817

Erik Lindahl, Oscar Gustafsson,  Architecture-aware design of a decimation filter based on a dual wordlength multiply-accumulate unit, Conference Record - Asilomar Conference on Signals, Systems and Computers, pp. 1897-1901, IEEE, Piscataway, NJ (2008)  https://doi.org/10.1109/ACSSC.2008.5074758

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Switching activity estimation for shift-and-add based constant multipliers, IEEE International Symposium on Circuits and Systems, 2008. ISCAS 2008., pp. 676-679, IEEE, Piscataway, NJ (2008)  https://doi.org/10.1109/ISCAS.2008.4541508

Lars Wanhammar, Baharak Soltanian, Oscar Gustafsson, Kenny Johansson,  Synthesis of bandpass circulator-tree wave digital filters, 15th IEEE International Conference on Electronics, Circuits and Systems, 2008. ICECS 2008., pp. 834-837, IEEE, Piscataway, NJ (2008)  https://doi.org/10.1109/ICECS.2008.4674983

Muhammad Abbas, Fahad Qureshi, Zaka Ullah Sheikh, Oscar Gustafsson, Håkan Johansson, Kenny Johansson,  Comparison of Multiplierless Implementation of Nonlinear-Phase Versus Linear-Phase FIR filters, IEEE (2008)  https://doi.org/10.1109/ACSSC.2008.5074475

Saeeid Tahmasbi Oskuii, Kenny Johansson, Oscar Gustafsson, Per Gunnar Kjeldsberg,  Power optimization of weighted bit-product summation tree for elementary function generator, IEEE International Symposium on Circuits and Systems 2008, p. 1240, IEEE, Piscataway, NJ (2008)  https://doi.org/10.1109/ISCAS.2008.4541649

Uwe Meyer-Baese, Oscar Gustafsson, Andrew Dempster,  A canonical minimised adder graph representation, SPIE 2008, Proceedings of SPIE, the International Society for Optical Engineering, p. 69790P, SPIE (2008)  https://doi.org/10.1117/12.776928

2007

Oscar Gustafsson,  A difference based adder graph heuristic for multiple constant multiplication problems, IEEE International Symposium on Circuits and Systems 2007, p. 1097, IEEE, Piscataway (2007)

Oscar Gustafsson, Håkan Johansson,  Complexity comparison of linear-phase Mth-band and general FIR filters, IEEE International Symposium on Circuits and Systems 2007, p. 2335, IEEE, Piscataway (2007)

Oscar Gustafsson, Lars Wanhammar,  Low-complexity constant multiplication using carry-save arithmetic for high-speed digital filters, International Symposium on Image and Signal Processing and Analysis 2007, pp. 212-217, IEEE, Piscataway (2007)  https://doi.org/10.1109/ISPA.2007.4383692

Oscar Gustafsson, Linda DeBrunner, Victor DeBrunner, Håkan Johansson,  On the design of sparse half-band like FIR filters, Asilomar Conference on Signals, Systems, and Computers 2007, IEEE, Monterey, CA (2007)

Oscar Gustafsson, Mikael Olofsson,  Complexity reduction of constant matrix computations over the binary field, International Workshop on the Arithmetic of Finite Fields 2007, p. 103, Springer, Heidelberg (2007)

Oscar Gustafsson, Saeeid Tahmasbi Oskuii, Kenny Johansson, Per Gunnar Kjeldsberg,  Switching activity reduction of MAC-based FIR filters with correlated input data, International Workshop on Power and Timing Modeling, Optimization and Simulation 2007, p. 526, Springer, Heidelberg (2007)

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Bit-Level Optimization of Shift-and-Add Based FIR Filters, IEEE International Conference on Electronics, Circuits and Systems 2007, pp. 713-716, IEEE, Piscataway, NJ (2007)

Lars Wanhammar, Oscar Gustafsson,  Energy-Aware DSP Algorithm Design, 5th Int. Symp. Image, Signal Processing, Analysis (ISPA 2007), Istanbul, Turkey, Sept. 27-29, 2007 (2007)

Lars Wanhammar, B Soltanian, Kenny Johansson, Oscar Gustafsson,  Synthesis of Circulator-Tree Wave Digital Filters, PROCEEDINGS OF THE 5TH INTERNATIONAL SYMPOSIUM ON IMAGE AND SIGNAL PROCESSING AND ANALYSIS, Image and Signal Processing and Analysis, pp. 206-211, IEEE (2007)  https://doi.org/10.1109/ISPA.2007.4383691

Saeeid Tahmasbi Oskuii, Per Gunnar Kjeldsberg, Oscar Gustafsson,  Power optimized partial product reduction interconnect ordering in parallel multipliers, Norchip 2007, IEEE, Piscataway (2007)

Saeeid Tahmasbi Oskuii, Per Gunnar Kjeldsberg, Oscar Gustafsson,  Transition-activity aware design of reduction-stages for parallel multipliers, ACM Great Lakes Symposium on VLSI 2007, p. 120, ACM, New York, NY, USA (2007)

2006

Oscar Gustafsson, Håkan Johansson,  Complexity comparison of linear-phase half-band and general FIR filters, IEEE Asia Pacific Conference on Circuits and Systems 2006, IEEE, Piscataway (2006)

Oscar Gustafsson, Håkan Johansson,  Efficient implementation of FIR filter based rational sampling rate converters using constant matrix multiplication, Asilomar Conference on Signals, Systems, and Computers 2006, IEEE, Piscataway (2006)

Oscar Gustafsson, Kenny Johansson,  Multiplierless piecewise linear approximation of elementary functions, Asilomar Conference on Signals, Systems, and Computers 2006, IEEE, Piscataway (2006)

Oscar Gustafsson, Kenny Johansson, Håkan Johansson, Lars Wanhammar,  Implementation of polyphase decomposed FIR filters for interpolation and decimation using multiple constant multiplication techniques, IEEE Asia Pacific Conference on Circuits and Systems 2006, pp. 924-927, IEEE, Piscataway (2006)  https://doi.org/10.1109/APCCAS.2006.342212

Erik Backenius, Erik Säll, Oscar Gustafsson,  Bidirectional Conversion to Minimum Signed-Digit Representation, Circuits and Systems, 2006. ISCAS 2006., pp. - (2006)  https://doi.org/10.1109/ISCAS.2006.1693109

Håkan Johansson, Oscar Gustafsson, Kenny Johansson, Lars Wanhammar,  Adjustable fractional-delay FIR filters using the Farrow structure and multirate techniques, Asia Pacific Conference on Circuits and Systems 2006, pp. 1055-1058 (2006)  https://doi.org/10.1109/APCCAS.2006.342270

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Approximation of elementary functions using a weighted sum of bit-products, IEEE Int. Symp. Circuits Syst. 2006, p. 795, IEEE, Piscataway, NJ (2006)

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Conversion and addition in logarithmic number systems using a sum of bit-products, IEEE NorChip Conf. 2006, pp. 39-42, IEEE, Linköping (2006)  https://doi.org/10.1109/NORCHP.2006.329240

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Trade-offs in multiplier block algorithms for low power digit-serial FIR filters, WSEAS Int. Conf. Circuits 2006, WSEAS, Athens (2006)

Kjell Holm, Oscar Gustafsson,  Low-complexity and low-power color space conversion for digital video, IEEE Norchip Conference 2006, IEEE, Piscataway (2006)

2005

Oscar Gustafsson, Henrik Ohlsson,  A Low Power Decimation Filter Architecture for High-Speed Single-Bit Sigma-Delta Modulation, IEEE International Symposium on Circuits and Systems 2005, p. 1453, IEEE, Piscataway, NJ (2005)

Oscar Gustafsson, Kenny Johansson, Lars Wanhammar,  Optimization and Quantization Effects for Sine and Cosine Computation Using a Sum of Bit-Products, Asilomar Conference on Signals, Systems, and Computers 2005, p. 1347­, IEEE, Piscataway, NJ (2005)

Anton Blad, Oscar Gustafsson, Lars Wanhammar,  A Hybrid Early Decision-Probability Propagation Decoding Algorithm for Low-Density Parity-Check Codes, Asilomar Conference on Signals, Systems and Computers 2005, p. 586, IEEE (2005)

Anton Blad, Oscar Gustafsson, Lars Wanhammar,  An LDPC decoding algorithm utilizing early decisions, National Conference of Radio Science RVK 2005 (2005)

Anton Blad, Oscar Gustafsson, Lars Wanhammar,  An early decision decoding algorithm for LDPC codes using dynamic thresholds, European Conference on Circuit Theory and Design 2005, p. III/285, IEEE (2005)

Anton Blad, Oscar Gustafsson, Lars Wanhammar,  Early decision decoding methods for low-density parity-check codes, Swedish System-on-Chip Conference 2005 (2005)

Anton Blad, Oscar Gustafsson, Lars Wanhammar,  Implementation aspects of an early decision decoder for LDPC codes, NORCHIP Conference 2005, p. 157, IEEE (2005)

Jacob Löfvenberg, Oscar Gustafsson, Kenny Johansson, Tina Lindkvist, Henrik Ohlsson, Lars Wanhammar,  Coding schemes for deep sub-micron data buses, Radiovetenskap och Kommunikation, RVK05 2005 (2005)

Kenny Johansson, Oscar Gustafsson, Andrew Dempster, Lars Wanhammar,  Trade-offs in low power multiplier blocks using serial arithmetic, National Conf. Radio Science RVK 2005, pp. 271-274, RVK, Linköping (2005)

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  A detailed complexity model for multiple constant multiplication and an algorithm to minimize the complexity, European Conf. Circuit Theory Design 2005, p. III/465, IEEE, Cork (2005)

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Estimation of switching activity for ripple-carry adders adopting the dual bit type method, Swedish System-on-Chip Conf. 2005, SSoCC, Tammsvik (2005)

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Implementation of low-complexity FIR filters using serial arithmetic, IEEE Int. Symp. Circuits Syst. 2005, p. II/1449, IEEE, Piscataway, NJ (2005)

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Low power architectures for sine and cosine computation using a sum of bit-products, IEEE NorChip Conf. 2005, p. 161, IEEE, Oulu (2005)

Lars Wanhammar, Kenny Johansson, Oscar Gustafsson,  Efficient sine and cosine computation using a weighted sum of bit-products, European Conf. Circuit Theory Design 2005, p. I/139, IEEE, Piscataway, NJ (2005)

2004

Oscar Gustafsson, Andrew G. Dempster,  On the use of multiple constant multiplication in polyphase FIR filters and filter banks, Proceedings of the 6th Nordic Signal Processing Symposium, 2004. NORSIG 2004, pp. 53-56, IEEE (2004)

Oscar Gustafsson, Andrew G. Dempster, Lars Wanhammar,  Multiplier blocks using carry-save adders, Proceedings of the 2004 International Symposium on  Circuits and Systems, 2004. ISCAS ‘04, Volume 2, pp. 473-476 (2004)  https://doi.org/10.1109/ISCAS.2004.1329311

Oscar Gustafsson, Andrew G. Dempster, M.D Macleod,  Comparison of graphical and sub-expression elimination methods for design of efficient multipliers, Conference Record of the Thirty-Eighth Asilomar Conference on Signals, Systems and Computers, 2004, Volume 1, pp. 72-76, IEEE (2004)  https://doi.org/10.1109/ACSSC.2004.1399090

Oscar Gustafsson, Henrik Ohlsson, Lars Wanhammar,  Improved multiple constant multiplication using minimum spanning trees, Conference Record of the Thirty-Eighth Asilomar Conference on Signals, Systems and Computers, 2004,  Volume 1, Michael B. Matthews (ed.), pp. 63-66, IEEE (2004)  https://doi.org/10.1109/ACSSC.2004.1399088

Oscar Gustafsson, Henrik Ohlsson, Lars Wanhammar,  Low-complexity constant coefficient matrix multiplication using a minimum spanning tree approach, Proceedings of the 6th Nordic Signal Processing Symposium, 2004. NORSIG 2004, pp. 141-144, IEEE (2004)

Oscar Gustafsson, Håkan Johansson, Lars Wanhammar,  MILP design of frequency-response masking FIR filters with few SPT terms, First International Symposium on Control, Communications and Signal Processing, 2004, pp. 405-408, IEEE, Tunisia (2004)  https://doi.org/10.1109/ISCCSP.2004.1296314

Oscar Gustafsson, J.O Coleman, A.G Dempster, M.D Macleod,  Low-complexity hybrid form FIR filters using matrix multiple constant multiplication, Asilomar Conf. Signals, Syst., Comp 2004 (2004)

Oscar Gustafsson, Lars Wanhammar,  Design of reduced complexity linear-phase polyphase FIR filters using mixed integer linear programming, Swedish System-on-Chip Conference 2004 (2004)

Henrik Ohlsson, Oscar Gustafsson, Lars Wanhammar,  A shifted permuted difference coefficient method, Proceedings of the 2004 International Symposium on Circuits and Systems, 2004. ISCAS ‘04, Volume 3, pp. III-161-4 (2004)  https://doi.org/10.1109/ISCAS.2004.1328708

Henrik Ohlsson, Oscar Gustafsson, Lars Wanhammar,  Implementation of low complexity FIR filters using a minimum spanning tree, Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference, 2004. MELECON 2004, Volume 1, pp. 261-264, IEEE (2004)  https://doi.org/10.1109/MELCON.2004.1346826

Henrik Ohlsson, Oscar Gustafsson, Lars Wanhammar,  Implementation of low-complexity FIR filters using difference methods, Swedish System-on-Chip Conference 2004, April 13-14, Båstad, Sweden (2004)

Henrik Ohlsson, Behzad Mesgarzadeh, Kenny Johansson, Oscar Gustafsson, Per Löwenborg, Håkan Johansson, Atila Alvandpour,  A 16 GSPS 0.18 µm CMOS decimator for single-bit ∑∆-modulation., Norchip 2004, p. 175, IEEE Inc., Piscataway (2004)

Håkan Johansson, Oscar Gustafsson,  Mth-band linear-phase FIR filter interpolators and decimators utilizing the Farrow structure, Proceedings of the 2004 International Symposium on Circuits and Systems, 2004. ISCAS ‘04, Volume 3, pp. 129-132, IEEE (2004)  https://doi.org/10.1109/ISCAS.2004.1328700

Kenny Johansson, Oscar Gustafsson, A.G Dempster, Lars Wanhammar,  Algorithm to reduce the number of shifts and additions in multiplier blocks using serial arithmetic, Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference, 2004. MELECON 2004, Volume 1, pp. 197-200, IEEE (2004)  https://doi.org/10.1109/MELCON.2004.1346807

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Low-complexity bit-serial constant-coefficient multipliers, Proceedings of the 2004 International Symposium on Circuits and Systems, 2004. ISCAS ‘04, Volume 3, pp. 649-652, IEEE (2004)  https://doi.org/10.1109/ISCAS.2004.1328830

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Power estimation for bit-serial constant coefficient multipliers, Swedish System-on-Chip Conference 2004 2004 (2004)

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Switching activity in bit-serial constant coefficient multipliers, Proceedings of the 2004 International Symposium on Circuits and Systems, 2004. ISCAS ‘04, Volume 2, pp. 469-472, IEEE (2004)  https://doi.org/10.1109/ISCAS.2004.1329310

Krister Landernäs, Johnny Holmberg, Oscar Gustafsson,  Implementation of bit-level pipelined digit-serial multipliers, Proceedings of the 6th Nordic Signal Processing Symposium - NORSIG 2004, June 9-11, 2004, Espoo, Finland, pp. 125-128 (2004)

Tina Lindkvist, Jacob Löfvenberg, Oscar Gustafsson,  Deep Sub-Micron Bus Invert Coding, Proceedings of the 6th Nordic Signal Processing Symposium, 2004. NORSIG 2004., pp. 133-136, University of Technology, Helsinki (2004)

2003

Andrew Dempster, Oscar Gustafsson, Jeffrey Coleman,  Towards an Algorithm for Matrix Multiplier Blocks, European Conference on Circuit Theory and Design 2003, p. 25, European Circuit Society, Kraków (2003)

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Switching activity in bit-serial constant coefficient serial/parallel multipliers, IEEE NorChip Conf. 2003, p. 260, IEEE, Piscataway, NJ (2003)

2002

Oscar Gustafsson, Andrew Dempster, Lars Wanhammar,  Extended results for minimum-adder constant integer multipliers, IEEE International Symposium on Circuits and Systems 2002, p. I/73, IEEE, Piscataway, NJ (2002)  https://doi.org/10.1109/ISCAS.2002.1009780

Oscar Gustafsson, Lars Wanhammar,  A novel approach to multiple constant multiplication using minimum spanning trees, Midwest Symposium on Circuits and Systems 2002, p. 652, IEEE, Piscataway, NJ (2002)

Oscar Gustafsson, Lars Wanhammar,  Bit-level pipelinable general and fixed coefficient digit-serial/parallel multipliers based on shift-accumulation, International Conference on Electronics, Circuits, and Systems 2002, p. 493, IEEE, Piscataway, NJ (2002)  https://doi.org/10.1109/ICECS.2002.1046205

Oscar Gustafsson, Lars Wanhammar,  Design of linear-phase FIR filters combining subexpression sharing with MILP, Midwest Symposium on Circuits and Systems 2002, p. III/9, IEEE, Piscataway, NJ (2002)

Oscar Gustafsson, Lars Wanhammar,  ILP modelling of the common subexpression sharing problem, International Conference on Electronics, Circuits, and Systems 2002, p. 1171, IEEE, Piscataway, NJ (2002)  https://doi.org/10.1109/ICECS.2002.1046461

2001

Henrik Ohlsson, Oscar Gustafsson, Håkan Johansson, Lars Wanhammar,  Implementation of bit-parallel lattice wave digital filters with increased maximal sample rate, IEEE international conference on electronics, circuits, and systems 2001, p. 1/71 (2001)

Henrik Ohlsson, Oscar Gustafsson, Mark Vesterbacka, Lars Wanhammar,  A study on pipeline-interleaved digital filters for low power, Proc. NORCHIP’01, pp. 93-98 (2001)

1999

Christer Larsson, Oscar Gustafsson, Mark Vesterbacka, Lars Wanhammar,  A tool for manual scheduling of DSP algorithms implemented in Java, Proc. National Conf. on Radio Science and Communication, RVK’99, pp. I-367-I-369 (1999)

Per Löwenborg, Oscar Gustafsson, Lars Wanhammar,  Filter design using MATLAB, Radiovetenskap och Kommunikation 1999 (1999)

Proceedings (editor)

Junyan Ren, Oscar Gustafsson,  2010 Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics (PrimeAsia), IEEE (2010)

Book chapters

Oscar Gustafsson, Lars Wanhammar,  Arithmetic, Handbook of signal processing systems, Bhattacharyya, S.S., Deprettere, E.F., Leupers, R., Takala, J. (eds.), pp. 381-426, Springer, Cham (2019)  https://doi.org/10.1007/978-3-319-91734-4_11

Mario Garrido, Fahad Qureshi, Jarmo Takala, Oscar Gustafsson,  Hardware architectures for the fast Fourier transform, Handbook of signal processing systems, Bhattacharyya, S.S., Deprettere, E.F., Leupers, R., Takala, J. (eds.), pp. 613-647, Springer, Cham (2019)  https://doi.org/10.1007/978-3-319-91734-4_17

Oscar Gustafsson, Lars Wanhammar,  Basic Arithmetic Circuits, Arithmetic Circuits for DSP Applications, Pramod Kumar Meher, Thanos Stouraitis (eds.), pp. 1-32, John Wiley & Sons (2017)  https://doi.org/10.1002/9781119206804.ch1

Pramod Kumar Meher, Chip-Hong Chang, Oscar Gustafsson, A.P. Vinod, Mattias Faust,  Shift‐Add Circuits for Constant Multiplications, Arithmetic Circuits for DSP Applications, Pramod Kumar Meher, Thanos Stouraitis (eds.), pp. 33-76, John Wiley & Sons (2017)  https://doi.org/10.1002/9781119206804.ch2

Oscar Gustafsson, Lars Wanhammar,  Arithmetic, Handbook of signal processing systems, Shuvra S. Bhattacharyya, Ed F. Deprettere, Rainer Leupers, Jarmo Takala (eds.), pp. 593-637, Springer, New York (2013)

Håkan Johansson, Oscar Gustafsson,  Two-Rate Based Structures for Computationally Efficient Wide-Band FIR Systems, Digital Filters and Signal Processing, Fausto Pedro García Márquez and Noor Zaman (ed.), pp. 189-212, InTech (2013)  https://doi.org/10.5772/45654

Oscar Gustafsson, Lars Wanhammar,  Low-complexity and high-speed constant multiplications for digital filters using carry-save arithmetic, Digital Filters, Fausto Pedro Garcia Marquez (ed.), pp. 241-256, InTech, Rijeka, Croatia (2011)  https://doi.org/10.5772/16081

Oscar Gustafsson, Lars Wanhammar,  Arithmetic, Handbook of signal processing systems, Shuvra S. Bhattacharyya, Ed F. Deprettere, Rainer Leupers, Jarmo Takala (eds.), pp. 283-327, Springer (2010)

Kenny Johansson, Oscar Gustafsson, Lars Wanhammar,  Power estimation for ripple-carry adders with correlated input data, Integrated Circuit and System Design. Power and Timing Modeling, Optimization and Simulation, Enrico Macii, Vassilis Paliouras and Odysseas Koufopavlou (eds.), Lecture Notes in Computer Science, pp. 662-674, Springer Berlin/Heidelberg (2004)  https://doi.org/10.1007/978-3-540-30205-6_68

Preprints

Narges Mohammadi Sarband, Ema Becirovic, Mattias Krysander, Erik G. Larsson, Oscar Gustafsson, Massive Machine Type Communication Pilot-Hopping Sequence Detection Architectures Based on Non-Negative Least Squares for Grant-Free Random Access (2020)  https://arxiv.org/abs/2009.02089

Erik Bertilsson, Oscar Gustafsson, Erik G. Larsson, A Distributed Processing Architecture for Modular and Scalable Massive MIMO Base Stations (2018)  https://arxiv.org/abs/1801.07967

In compilation thesis

Syed Asad Alam, Oscar Gustafsson,  A unified approach to the design and implementation of computation sharing multipliers, Part of  Techniques for Efficient Implementation of FIR and Particle Filtering, Syed Asad Alam, Linköping Studies in Science and Technology. Dissertations 1716, Linköping University Electronic Press, Linköping (2016)

Syed Asad Alam, Oscar Gustafsson,  Improved particle filter resampling architectures, Part of  Techniques for Efficient Implementation of FIR and Particle Filtering, Syed Asad Alam, Linköping Studies in Science and Technology. Dissertations 1716, Linköping University Electronic Press, Linköping (2016)

Niklas Andersson, Mark Vesterbacka, Oskar Gustafsson, Jacob Wikner,  Steady-state cycles in digital oscillators, Part of  Design of Integrated Building Blocks for the Digital/Analog Interface, Niklas Andersson, Linköping Studies in Science and Technology. Dissertations 1638, Linköping University Electronic Press, Linköping (2015)

Nadeem Afzal, Oscar Gustafsson, J. Jacob Wikner,  On Scaling and Output Cardinality of Multi-Bit Digital Error-Feedback Modulators, Part of  Complexity and Power Reduction in Digital Delta-Sigma Modulators, Nadeem Afzal, Linköping Studies in Science and Technology. Dissertations 1640, Linköping University Electronic Press, Linköping (2014)

Nadeem Afzal, J. Jacob Wikner, Oscar Gustafsson,  Digital Multi-bit Cascaded Error-Feedback ΔΣ Modulators With Reduced Hardware and Power Consumption, Part of  Complexity and Power Reduction in Digital Delta-Sigma Modulators, Nadeem Afzal, Linköping Studies in Science and Technology. Dissertations 1640, Linköping University Electronic Press, Linköping (2014)

Muhammad Abbas, Oscar Gustafsson,  Integer Linear Programming Modeling of Addition Sequences With Additional Constraints for Evaluation of Power Terms, Part of  On the Implementation of Integer and Non-Integer Sampling Rate Conversion, Muhammad Abbas, Linköping Studies in Science and Technology. Dissertations 1420, Linköping University Electronic Press, Linköping (2012)

Muhammad Abbas, Oscar Gustafsson,  Switching Activity Estimation of DDFS Phase Accumulators, Part of  On the Implementation of Integer and Non-Integer Sampling Rate Conversion, Muhammad Abbas, Linköping Studies in Science and Technology. Dissertations 1420, Linköping University Electronic Press, Linköping (2012)

Licentiate theses

Oscar Gustafsson,  On mapping of digital filter algorithms to hardware, Linköping Studies in Science and Technology. Thesis 838, Linköpings universitet, Linköping (2000)