Håkan Johansson

Professor

Journal papers
Conference papers
Book chapters
PhD theses

Publication list

Journal papers

Xiangyu Liu, Hui Xu, Håkan Johansson, Yinan Wang, Nan Li, Correlation-Based Calibration for Nonlinearity Mismatches in Dual-Channel TIADCs, IEEE Transactions on Circuits and Systems II - Express Briefs 67:585-589 (2020) https://doi.org/10.1109/TCSII.2019.2916430

2019

Deepak Mishra, Håkan Johansson, Efficacy of Hybrid Energy Beamforming With Phase Shifter Impairments and Channel Estimation Errors, IEEE Signal Processing Letters 26:99-103 (2019) https://doi.org/10.1109/LSP.2018.2880813

Deepak Mishra, Håkan Johansson, Optimal Channel Estimation for Hybrid Energy Beamforming Under Phase Shifter Impairments, IEEE Transactions on Communications 67:4309-4325 (2019) https://doi.org/10.1109/TCOMM.2019.2901790

Deepak Mishra, Håkan Johansson, Optimal Least Squares Estimator and Precoder for Energy Beamforming Over IQ-Impaired Channels, IEEE Signal Processing Letters 26:1207-1211 (2019) https://doi.org/10.1109/LSP.2019.2925533

Yinan Wang, Håkan Johansson, Nan Li, Qingjiang Li, Analysis, Design, and Order Estimation of Least-Squares FIR Equalizers for Bandwidth Extension of ADCs, Circuits, systems, and signal processing 38:2165-2186 (2019) https://doi.org/10.1007/s00034-018-0958-6

2018

Fabio Pareschi, Felix Lustenberger, Håkan Johansson, Joseph Cavallaro, Guest Editorial Special Issue on the 2017 IEEE International Symposium on Circuits and Systems (ISCAS 2017), IEEE Transactions on Circuits and Systems Part 1 65:857-858 (2018) https://doi.org/10.1109/TCSI.2017.2788178

2016

Yinan Wang, Håkan Johansson, Hui Xu, Jietao Diao, Bandwidth-efficient calibration method for nonlinear errors in M-channel time-interleaved ADCs, Analog Integrated Circuits and Signal Processing 86:275-288 (2016) https://doi.org/10.1007/s10470-015-0677-x

2015

Håkan Johansson, Fred Harris, Polyphase Decomposition of Digital Fractional-Delay Filters, IEEE Signal Processing Letters 22:1021-1025 (2015) https://doi.org/10.1109/LSP.2014.2381603

Håkan Johansson, Heinz Goeckler, Two-Stage-Based Polyphase Structures for Arbitrary-Integer Sampling Rate Conversion, IEEE Transactions on Circuits and Systems II - Express Briefs 62:486-490 (2015) https://doi.org/10.1109/TCSII.2015.2389291

Amir Eghbali, Håkan Johansson, Design of Modulated Filter Banks and Transmultiplexers With Unified Initial Solutions and Very Few Unknown Parameters, IEEE Transactions on Circuits and Systems II - Express Briefs 62:397-401 (2015) https://doi.org/10.1109/TCSII.2014.2387678

Anu Kalidas Muralidharan Pillai, Håkan Johansson, Efﬁcient Recovery of Sub-Nyquist Sampled Sparse Multi-Band Signals Using Reconﬁgurable Multi-Channel Analysis and Modulated Synthesis Filter Banks, IEEE Transactions on Signal Processing 63:5238-5249 (2015) https://doi.org/10.1109/TSP.2015.2451104

Anu Kalidas Muralidharan Pillai, Håkan Johansson, Prefilter-Based Reconfigurable Reconstructor for Time-Interleaved ADCs With Missing Samples, IEEE Transactions on Circuits and Systems II - Express Briefs 62:392-396 (2015) https://doi.org/10.1109/TCSII.2014.2387651

Yinan Wang, Håkan Johansson, Hui Xu, Adaptive Background Estimation for Static Nonlinearity Mismatches in Two-Channel TIADCs, IEEE Transactions on Circuits and Systems II - Express Briefs 62:226-230 (2015) https://doi.org/10.1109/TCSII.2014.2368976

Yinan Wang, Håkan Johansson, Hui Xu, Zhaolin Sun, Joint Blind Calibration for Mixed Mismatches in Two-Channel Time-Interleaved ADCs, IEEE Transactions on Circuits and Systems Part 1 62:1508-1517 (2015) https://doi.org/10.1109/TCSI.2015.2418835

Yinan Wang, Hui Xu, Håkan Johansson, Zhaolin Sun, Jacob Wikner, Digital estimation and compensation method for nonlinearity mismatches in time-interleaved analog-to-digital converters, Digital signal processing (Print) 41:130-141 (2015) https://doi.org/10.1016/j.dsp.2015.03.015

2014

Håkan Johansson, Relations Between Zero-IF Receiver I/Q and TI-ADC Channel Mismatches, IEEE Transactions on Signal Processing 62:3403-3414 (2014) https://doi.org/10.1109/TSP.2014.2327001

Håkan Johansson, Amir Eghbali, Add-Equalize Structures for Linear-Phase Nyquist FIR Filter Interpolators and Decimators, IEEE Transactions on Circuits and Systems Part 1 61:1766-1777 (2014) https://doi.org/10.1109/TCSI.2013.2295021

Håkan Johansson, Amir Eghbali, Two Polynomial FIR Filter Structures With Variable Fractional Delay and Phase Shift, IEEE Transactions on Circuits and Systems Part 1 61:1355-1365 (2014) https://doi.org/10.1109/TCSI.2014.2309863

Amir Eghbali, Håkan Johansson, A class of reconfigurable and low-complexity two-stage Nyquist filters, Signal Processing 96:164-172 (2014) https://doi.org/10.1016/j.sigpro.2013.09.024

Amir Eghbali, Håkan Johansson, On Efficient Design of High-Order Filters With Applications to Filter Banks and Transmultiplexers With Large Number of Channels, IEEE Transactions on Signal Processing 62:1198-1209 (2014) https://doi.org/10.1109/TSP.2014.2299520

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

Amir Eghbali, Tapio Saramaki, Håkan Johansson, Conditions for Lth-band filters of order 2N as cascades of identical linear-phase FIR spectral factors of order N, Signal Processing 97 (2014) https://doi.org/10.1016/j.sigpro.2013.10.013

Wei Jing Xu, Ya Jun Yu, Håkan Johansson, Improved Filter Bank Approach for the Design of Variable Bandedge and Fractional Delay Filters, IEEE Transactions on Circuits and Systems Part 1 61:764-777 (2014) https://doi.org/10.1109/TCSI.2013.2284176

2013

Håkan Johansson, On FIR Filter Approximation of Fractional-Order Differentiators and Integrators, IEEE Journal on Emerging and Selected Topics in Circuits and Systems 3:404-415 (2013) https://doi.org/10.1109/JETCAS.2013.2273853

Håkan Johansson, Ewa Hermanowicz, Two-Rate Based Low-Complexity Variable Fractional-Delay FIR Filter Structures, IEEE Transactions on Circuits and Systems I - Regular Papers 60:136-149 (2013) https://doi.org/10.1109/TCSI.2012.2215697

Amir Eghbali, Håkan Johansson, Tapio Saramaki, A method for the design of Farrow-structure based variable fractional-delay FIR filters, Signal Processing 93:1341-1348 (2013) https://doi.org/10.1016/j.sigpro.2012.11.010

Anu Kalidas Muralidharan Pillai, Håkan Johansson, Efficient signal reconstruction scheme for M-channel time-interleaved ADCs, Analog Integrated Circuits and Signal Processing 77:113-122 (2013) https://doi.org/10.1007/s10470-013-0115-x

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

2012

Håkan Johansson, Fractional-Delay and Supersymmetric Mth-Band Linear-Phase FIR Filters Utilizing Partially Symmetric and Antisymmetric Impulse Responses, IEEE Transactions on Circuits and Systems II - Express Briefs 59:366-370 (2012) https://doi.org/10.1109/TCSII.2012.2195060

Amir Eghbali, Håkan Johansson, Per Löwenborg, A Class of Multimode Transmultiplexers Based on the Farrow Structure, Circuits, systems, and signal processing 31:961-985 (2012) https://doi.org/10.1007/s00034-011-9351-4

Amir Eghbali, T. Saramaki, Håkan Johansson, On two-stage Nyquist pulse shaping filters, IEEE Transactions on Signal Processing 60:483-488 (2012) https://doi.org/10.1109/TSP.2011.2169062

Anu Kalidas Muralidharan Pillai, Håkan Johansson, Two-rate based low-complexity time-varying discrete-time FIR reconstructors for two-periodic nonuniformly sampled signals, Sampling Theory in Signal and Image Processing 11:195-220 (2012)

Zaka Ullah Sheikh, Håkan Johansson, A Technique for Efficient Realization of Wide-Band FIR LTI Systems, IEEE Transactions on Signal Processing 60:1482-1486 (2012) https://doi.org/10.1109/TSP.2011.2178408

Zaka Ullah Sheikh, Håkan Johansson, Efficient Wide-Band FIR LTI Systems Derived Via Multi-Rate Techniques and Sparse Bandpass, IEEE Transactions on Signal Processing 60:3859-3863 (2012) https://doi.org/10.1109/TSP.2012.2194712

2011

Håkan Johansson, Farrow-structure-based reconfigurable bandpass linear-phase FIR filters for integer sampling rate conversion, IEEE Transactions on Circuits and Systems II - Express Briefs 58:46-50 (2011) https://doi.org/10.1109/TCSII.2010.2092826

Amir Eghbali, Håkan Johansson, Per Löwenborg, Reconfigurable Nonuniform Transmultiplexers Using Uniform Modulated Filter Banks, IEEE Transactions on Circuits and Systems I - Regular Papers 58:539-547 (2011) https://doi.org/10.1109/TCSI.2010.2072290

Amir Eghbali, Håkan Johansson, Per Löwenborg, Heinz G Göckler, Dynamic Frequency-Band Reallocation and Allocation, Journal of VLSI Signal Processing Systems for Signal, Image and Video Technology 62:187-203 (2011) https://doi.org/10.1007/s11265-009-0348-1

Zaka Ullah Sheikh, Håkan Johansson, A Class of Wide-Band Linear-Phase FIR Differentiators Using a Two-Rate Approach and the Frequency-Response Masking Technique, IEEE Transactions on Circuits and Systems I - Regular Papers 58:1827-1839 (2011) https://doi.org/10.1109/TCSI.2011.2107270

2010

Linnea Rosenbaum, Per Löwenborg, Håkan Johansson, Two Classes of Cosine-Modulated IIR/IIR and IIR/FIR NPR Filter Banks, CIRCUITS SYSTEMS AND SIGNAL PROCESSING 29:103-133 (2010) https://doi.org/10.1007/s00034-009-9115-6

2009

Håkan Johansson, A Polynomial-Based Time-Varying Filter Structure for the Compensation of Frequency-Response Mismatch Errors in Time-Interleaved ADCs, IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING 3:384-396 (2009) https://doi.org/10.1109/JSTSP.2009.2020554

Amir Eghbali, Håkan Johansson, Per Löwenborg, Flexible Frequency-Band Reallocation, Circuits, systems, and signal processing 28:409-431 (2009) https://doi.org/10.1007/s00034-008-9090-3

2008

Håkan Johansson, Per Löwenborg , A Least-Squares Filter Design Technique for the Compensation of Frequency Response Mismatch Errors in Time-Interleaved A/D Converters, IEEE Transactions on Circuits and Systems II - Express Briefs 55:1154-1158 (2008) https://doi.org/10.1109/TCSII.2008.2002567

Amir Eghbali, Håkan Johansson, Per Löwenborg, A Multimode Transmultiplexer Structure, IEEE transactions on circuits and systems 55:279-283 (2008) https://doi.org/10.1109/TCSII.2008.918934

Anton Blad, Håkan Johansson, Per Löwenborg, Multirate formulation for mismatch sensitivity analysis of analog-to-digital converters that utilize parallel S?-modulators, Eurasip Journal on Advances in Signal Processing 2008 (2008) https://doi.org/10.1155/2008/289184

E. Hermanowicz, Håkan Johansson, M. Rojewski, A fractionally delaying complex Hilbert transform filter, IEEE Transactions on Circuits and Systems II - Express Briefs 55:452-456 (2008) https://doi.org/10.1109/TCSII.2007.912777

2007

Håkan Johansson, Ewa Hermanowicz, A complex variable fractional-delay FIR filter structure, IEEE transactions on circuits and systems 54:785-789 (2007) https://doi.org/10.1109/TCSII.2007.900349

Håkan Johansson, Per Löwenborg, Flexible frequency-band reallocation networks using variable oversampled complex-modulated filter banks, EURASTP journal an applied signal processing 2007 (2007) https://doi.org/10.1155/2007/63714

Håkan Johansson, Per Löwenborg, Kameswaran Vengattaramane, Least-squares and minimax design of polynomial impulse response FIR filters for reconstruction of two-periodic nonuniformly sampled signals, IEEE Transactions on Circuits And Systems Part I 54:877-888 (2007) https://doi.org/10.1109/TCSI.2006.888765

Linnea Rosenbaum, Håkan Johansson, On low-delay frequency-response masking FIR filters, Circuits, systems, and signal processing 26 (2007) https://doi.org/10.1007/s00034-005-0218-4

Linnea Rosenbaum, Per Löwenborg, Håkan Johansson, An approach for synthesis of modulated M-channel FIR filter banks utilizing the frequency-response masking technique, EURASTP journal an applied signal processing 2007 (2007) https://doi.org/10.1155/2007/68285

2006

Håkan Johansson, Two classes of frequency-response masking linear-phase FIR filters for interpolation and decimation, Circuits, systems, and signal processing 25:175-200 (2006) https://doi.org/10.1007/s00034-005-2503-7

Håkan Johansson, Per Löwenborg, Reconstruction of nonuniformly sampled bandlimited signals by means of time-varying discrete-time FIR filters, EURASTP journal an applied signal processing 2006 (2006) https://doi.org/10.1155/ASP/2006/64185

Per Löwenborg, Håkan Johansson, Minimax design of adjustable-bandwidth linear-phase FIR filters, IEEE Transactions on Circuits And Systems Part I 53:431-439 (2006) https://doi.org/10.1109/TCSI.2005.857549

2005

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

2004

Håkan Johansson, Per Löwenborg, On linear-phase FIR filters with variable bandwidth, IEEE transactions on circuits and systems 51:181-184 (2004) https://doi.org/10.1109/TCSII.2004.824060

Per Löwenborg, Håkan Johansson, Lars Wanhammar, First-order sensitivity of complementary diplexers, IEEE transactions on circuits and systems 51:421-425 (2004) https://doi.org/10.1109/TCSII.2004.832770

2003

Håkan Johansson, Multirate IIR filter structures for arbitrary bandwidths, IEEE Transactions on Circuits And Systems Part I 50:1515-1529 (2003) https://doi.org/10.1109/TCSI.2003.819812

Håkan Johansson, Per Löwenborg, On the design of adjustable fractional delay FIR filters, IEEE transactions on circuits and systems 50:164-169 (2003) https://doi.org/10.1109/TCSII.2003.809712

Håkan Johansson, Tapio Saramäki, Two-channel FIR filter banks utilizing the FRM approach, Circuits, systems, and signal processing 22:157-192 (2003)

Elizabeth Elias, Per Löwenborg, Håkan Johansson, Lars Wanhammar, Tree-structured IIR/FIR uniform-band and octave-band filter banks with very low-complexity analysis or synthesis filters, Signal Processing 83:1997-2009 (2003) https://doi.org/10.1016/S0165-1684(03)00131-2

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

Per Löwenborg, Håkan Johansson, Lars Wanhammar, Two-channel digital and hybrid analog/digital multirate filter banks with very low-complexity analysis or synthesis filters, IEEE transactions on circuits and systems 50:355-367 (2003) https://doi.org/10.1109/TCSII.2003.813589

Tapio Saramäki, Juha Yli-Kaakinen, Håkan Johansson, Optimization of frequency-response masking based FIR filters, Journal of Circuits, Systems and Computers 12:563-590 (2003) https://doi.org/10.1142/S0218126603001070

2002

Håkan Johansson, Per Löwenborg, Reconstruction of nonuniformly sampled bandlimited signals by means of digital fractional delay filters, IEEE Transactions on Signal Processing 50:2757-2767 (2002) https://doi.org/10.1109/TSP.2002.804089

2000

Håkan Johansson, Lars Wanhammar, High-speed recursive digital filters based on the frequency-response masking approach, IEEE transactions on circuits and systems 47:48-61 (2000) https://doi.org/10.1109/82.818894

1999

Håkan Johansson, Lars Wanhammar, Filter structures composed of all-pass and FIR filters for interpolation and decimation by a factor of two, IEEE transactions on circuits and systems 46:896-905 (1999)

Håkan Johansson, Lars Wanhammar, High-speed recursive filter structures composed of identical all-pass subfilters for interpolation, decimation, and QMF banks with perfect magnitude reconstruction, IEEE transactions on circuits and systems 46:16-28 (1999)

Håkan Johansson, Lars Wanhammar, Wave digital filter structures for high-speed narrow-band and wide-band filtering, IEEE transactions on circuits and systems 46:726-741 (1999)

Conference papers

2024

Oksana Moryakova, Håkan Johansson, Efficient Design and Implementation of Fast-Convolution-Based Variable-Bandwidth Filters, Proceeeing of 32nd European Signal Processing Conference EUSIPCO 2024, pp. 2557-2561 (2024)

2023

Deijany Rodríguez Linares, Håkan Johansson, Low-Complexity Memoryless Linearizer for Analog-to-Digital Interfaces, 2023 24th International Conference on Digital Signal Processing (DSP), International Conference on Digital Signal Processing (DSP), Institute of Electrical and Electronics Engineers (IEEE) (2023) https://doi.org/10.1109/DSP58604.2023.10167765

Oksana Moryakova, Håkan Johansson, Frequency-Domain Implementations of Variable Digital FIR Filters Using the Overlap-Save Technique, 2023 24th International Conference on Digital Signal Processing (DSP), International Conference on Digital Signal Processing (DSP), Institute of Electrical and Electronics Engineers (IEEE) (2023) https://doi.org/10.1109/DSP58604.2023.10167923

2022

Oksana Moryakova, Yinan Wang, Håkan Johansson, Reconfigurable FIR Lowpass Equalizers, 2022 IEEE WORKSHOP ON SIGNAL PROCESSING SYSTEMS (SIPS), IEEE Workshop on Signal Processing Systems, pp. 114-119, IEEE (2022) https://doi.org/10.1109/SIPS55645.2022.9919214

2020

Xiangyu Liu, Hui Xu, Yinan Wang, Nan Li, Håkan Johansson, Correlation-Based Calibration for Nonlinearity Mismatches in Dual-Channel TIADCs, 2020 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), IEEE International Symposium on Circuits and Systems, IEEE (2020) https://doi.org/10.1109/ISCAS45731.2020.9180462

Yinan Wang, Xiangyu Liu, Håkan Johansson, Chengxuan Zhao, Kairang Chen, Xi Zhu, On first-order compensation of timing mismatch in two-channel TIADCs, 2020 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), IEEE International Symposium on Circuits and Systems, IEEE (2020) https://doi.org/10.1109/ISCAS45731.2020.9181227

2019

Ali Bulut Ucuncu, Emil Björnson, Håkan Johansson, Ali Ozgur Yilmaz, Erik G Larsson, Performance of One-Bit Massive MIMO With Oversampling Under Adjacent Channel Interference, 2019 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM), IEEE Global Communications Conference, IEEE (2019) https://doi.org/10.1109/GLOBECOM38437.2019.9013497

Deepak Mishra, Håkan Johansson, CHANNEL ESTIMATION AND LOW-COMPLEXITY BEAMFORMING DESIGN FOR PASSIVE INTELLIGENT SURFACE ASSISTED MISO WIRELESS ENERGY TRANSFER, 2019 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP), International Conference on Acoustics Speech and Signal Processing ICASSP, pp. 4659-4663, IEEE (2019) https://doi.org/10.1109/ICASSP.2019.8683663

2018

Deepak Mishra, Håkan Johansson, EFFICACY OF MULTIUSER MASSIVE MISO WIRELESS ENERGY TRANSFER UNDER IQ IMBALANCE AND CHANNEL ESTIMATION ERRORS OVER RICIAN FADING, 2018 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP), pp. 3844-3848, IEEE (2018) https://doi.org/10.1109/ICASSP.2018.8461882

2016

Håkan Johansson, Anu Kalidas Muralidharan Pillai, Lower bounds on the L2-norms of digital resampling filters with zero-valued input samples, 2016 IEEE International Conference on Acoustics, Speech,and Signal Processing, IEEE International Conference on Acoustics, Speech and Signal Processing. Proceedings, pp. 4533-4537, Institute of Electrical and Electronics Engineers (IEEE) (2016) https://doi.org/10.1109/ICASSP.2016.7472535

Yinan Wang, Håkan Johansson, Hui Xu, Jietao Diao, Minimax design and order estimation of FIR filters for extending the bandwidth of ADCs, 2016 IEEE International Symposium on Circuits and Systems (ISCAS), IEEE International Symposium on Circuits and Systems. Proceedings, pp. 2186-2189, Institute of Electrical and Electronics Engineers (IEEE) (2016) https://doi.org/10.1109/ISCAS.2016.7539015

2015

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

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

2014

Anu Kalidas Muralidharan Pillai, Håkan Johansson, A sub-band based reconstructor for M-channel time-interleaved ADCs with missing samples, 2014 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP), International Conference on Acoustics Speech and Signal Processing ICASSP, IEEE conference proceedings (2014) https://doi.org/10.1109/ICASSP.2014.6854378

Anu Kalidas Muralidharan Pillai, Håkan Johansson, Two reconstructors for M-channel time-interleaved ADCs with missing samples, IEEE 12th International New Circuits and Systems Conference (NEWCAS), 2014, pp. 41-44, IEEE conference proceedings (2014) https://doi.org/10.1109/NEWCAS.2014.6933980

2013

Håkan Johansson, Amir Eghbali, FIR Filter With Variable Fractional Delay and Phase Shift: Efficient Realization and Design Using Reweighted l(1)-Norm Minimization, , INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), pp. 81-84, IEEE (2013) https://doi.org/10.1109/ISCAS.2013.6571787

Anu Kalidas Muralidharan Pillai, Håkan Johansson, Efficient reconfigurable scheme for the recovery of sub-Nyquist sampled sparse multi-band signals, , pp. 1294-1297, IEEE conference proceedings (2013) https://doi.org/10.1109/GlobalSIP.2013.6737146

Anu Kalidas Pillai, Håkan Johansson, Low-complexity two-rate based multivariate impulse response reconstructor for time-skew error correction in m-channel time-interleaved ADCs, IEEE International Symposium on Circuits and Systems (ISCAS), 2013, IEEE International Symposium on Circuits and Systems, pp. 2936-2939, IEEE (2013) https://doi.org/10.1109/ISCAS.2013.6572494

2012

Håkan Johansson, Amir Eghbali, A realization of FIR filters with simultaneously variable bandwidth and fractional delay, Signal Processing Conference (EUSIPCO), 2012, pp. 2178-2182, IEEE (2012)

Håkan Johansson, Amir Eghbali, Jimmie Lahti, Tree-Structured Linear-Phase Nyquist FIR Filter Interpolators and Decimators, 2012 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS 2012), pp. 2329-2332, IEEE (2012) https://doi.org/10.1109/ISCAS.2012.6271761

Amir Eghbali, Håkan Johansson, Complexity reduction in low-delay Farrow-structure-based variable fractional delay FIR filters utilizing linear-phase subfilters, IEEE conference proceedings (2012) https://doi.org/10.1109/ECCTD.2011.6043300

Amir Eghbali, Håkan Johansson, Reconfigurable two-stage Nyquist filters utilizing the Farrow structure, , Circuits and Systems (ISCAS), IEEE, pp. 3186-3189, IEEE conference proceedings (2012) https://doi.org/10.1109/ISCAS.2012.6272000

Anu Kalidas Muralidharan Pillai, Håkan Johansson, Efficient signal reconstruction scheme for time-interleaved ADCs, Proc. IEEE 10th Int. New Circuits and Systems Conf. (NEWCAS), pp. 357-360, IEEE (2012) https://doi.org/10.1109/NEWCAS.2012.6329030

Anu Kalidas Muralidharan Pillai, Håkan Johansson, Time-skew error correction in two-channel time-interleaved ADCs based on a two-rate approach and polynomial impulse responses, Proc. IEEE 55th Int. Midwest Symp. Circuits Syst. (MWSCAS), pp. 1136-1139 (2012) https://doi.org/10.1109/MWSCAS.2012.6292225

2011

Amir Eghbali, Håkan Johansson, Tapio Saramäki, A new structure for reconfigurable two-stage Nyquist pulse shaping filters, Circuits and Systems (MWSCAS), 2011, Midwest Symposium on Circuits and Systems. Conference Proceedings, pp. 1-4, IEEE, Piscataway, NJ, United States (2011) https://doi.org/10.1109/MWSCAS.2011.6026552

Zaka Ullah Sheikh, Amir Eghbali, Håkan Johansson, Linear-Phase FIR Digital Differentiator Order Estimation, Proceedings of The 20th European Conference on Circuit Theory and Design, ECCTD2011, pp. 310-313 (2011) https://doi.org/10.1109/ECCTD.2011.6043348

2010

Amir Eghbali, Håkan Johansson, Per Löwenborg, Reconfigurable nonuniform transmultiplexers based on uniform filter banks, , pp. 2123-2126 (2010) https://doi.org/10.1109/ISCAS.2010.5537067

Amir Eghbali, Håkan Johansson, Tapio Saramäki, Per Löwenborg, On the design of adjustable fractional delay FIR filters using digital differentiators, Proc. IEEE Int. Conf. Green Circuits Syst., pp. 289-292, IEEE (2010) https://doi.org/10.1109/ICGCS.2010.5543052

2009

Amir Eghbali, Håkan Johansson, Per Löwenborg, On the filter design for a class of multimode transmultiplexers, Proceedings - IEEE International Symposium on Circuits and Systems, pp. 89-92 (2009) https://doi.org/10.1109/ISCAS.2009.5117692

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

Zaka Ullah Sheikh, Håkan Johansson, Wideband Linear-Phase FIR Differentiators Utilizing Multirate and Frequency-Response Masking Techniques, Proceedings of IEEE International Symposium on Circuits and Systems, Taipei, Taiwan, May 24–27, 2009., pp. 293-296, IEEE (2009) https://doi.org/10.1109/ISCAS.2009.5117743

2008

Håkan Johansson, On the Compensation of Frequency-Response Mismatch Errors in Time-Interleaved ADCs, IEEE (2008) https://doi.org/10.1109/ICM.2008.5393837

Amir Eghbali, Håkan Johansson, Per Löwenborg, A farrow-structure-based multi-mode transmultiplexer, Proceedings of IEEE International Symposium on Circuits and Systems, IEEE International Symposium on Cicuits and Systems, pp. 3114-3117, IEEE (2008) https://doi.org/10.1109/ISCAS.2008.4542117

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

2007

Amir Eghbali, Håkan Johansson, Per Löwenborg, An arbitrary bandwidth transmultiplexer and its application to flexible frequency-band reallocation networks, Proc. European Conf. Circuit Theory Design, Seville, Spain, Aug. 26-30, 2007, pp. 248-251, IEEE (2007) https://doi.org/10.1109/ECCTD.2007.4529583

Amir Eghbali, Håkan Johansson, Per Löwenborg, Flexible frequency-band reallocation MIMO networks for real signals, Proc. Int. Symp. Image, Signal Processing, Analysis, Istanbul, Turkey, Sept. 27-29, 2007, Image and Signal Processing and Analysis, pp. 75-80, IEEE (2007) https://doi.org/10.1109/ISPA.2007.4383667

Amir Eghbali, Håkan Johansson, Per Löwenborg, On the complexity of multiplierless direct and polyphase FIR filter structures, Proc. Int. Symp. Image, Signal Processing, Analysis, Istanbul, Turkey, Sept. 27-29, 2007, Image and Signal Processing and Analysis, pp. 200-205 (2007) https://doi.org/10.1109/ISPA.2007.4383690

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, 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)

2006

Håkan Johansson, Ewa Hermanowicz, Adjustable fractional-delay filters utilizing the Farrow structure and multirate techniques, Sixth Int. Workshop Spectral Methods Multirate Signal Processing 2006 (2006)

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

Håkan Johansson, Per Löwenborg, Kameswaran Vengattaramane, Reconstruction of M-periodic nonuniformly sampled signals using multivariate impulse response time-varying FIR filters, European Signal Processing Conference 2006 (2006)

Håkan Johansson, Per Löwenborg, Kameswaran Vengattaramane, Reconstruction of two-periodic nonuniformly sampled signals using polynomial impulse response time-varying FIR filters, IEEE International Symposium on Circuits and Systems 2006 (2006)

Anton Blad, Håkan Johansson, Per Löwenborg, A General Formulation of Analog-to-Digital Converters Using Parallel Sigma-Delta Modulators and Modulation Sequences, Asia Pacific Conference on Circuits and Systems 2006, IEEE (2006)

Anton Blad, Christer Svensson, Håkan Johansson, Stefan Andersson, An RF sampling radio frontend based on sigmadelta-conversion., 24th Norchip Conference 2006, pp. 133-136, IEEE (2006)

Anton Blad, Per Löwenborg, Håkan Johansson, Design Trade-Offs for Linear-Phase FIR Decimation Filters and SD-Modulat ors, 14th European Signal Processing Conference 2006, EURASIP, Wien, Austria (2006)

Christian Vogel, Håkan Johansson, Time-interleaved analog-to-digital converters, IEEE International Symposium on Circuits and Systems 2006 (2006)

Linnea Rosenbaum, Håkan Johansson, Per Löwenborg, Oversampled complex-modulated causal IIR filter banks for flexible frequency-band reallocation networks, European Signal Processing Conference 2006 (2006)

Mattias Olsson, Håkan Johansson, Per Löwenborg, Delay Estimation Using Adjustable Fractional Delay All-Pass Filters, Nordic Signal Processing Symposium 2006, IEEE, Reykjavik, Iceland (2006)

Mattias Olsson, Håkan Johansson, Per Löwenborg, Time-delay estimation using Farrow-based fractional-delay FIR filters, European Signal Processing Conference 2006 (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, 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

2005

Håkan Johansson, Ewa Hermanowicz, On designing minimax adjustable wideband fractional delay FIR filters using two-rate approach, European Conference on Circuit Theory and Design 2005, pp. 3/437-3/440 (2005)

Håkan Johansson, Per Löwenborg, Flexible frequency-band reallocation networks based on variable oversampled complex-modulated filter banks, IEEE International Conference on Acoustics Speech and Signal Processing 2005, pp. iii/973-iii/976 (2005)

Linnea Rosenbaum, Håkan Johansson, Narrow-band and wide-band short-delay frequency-masking FIR filters, National Conference Radio Science RVK 2005 (2005)

Per Löwenborg, Linnea Rosenbaum, Håkan Johansson, On flexible analog/digital interfaces for multi-mode communication, Swedish System-on-chip Conference 2005 (2005)

2004

Håkan Johansson, On the design of IIR bandpass filters with an adjustable bandwidth and centre frequency, IEEE Int. Symp. on Circuits and Systems 2004, pp. 173-176 (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

Håkan Johansson, Per Löwenborg, Reconstruction of nonuniformly sampled bandlimited signals using time-varying discrete-time FIR filters, Proc. XII European Signal Processing Conf 2004 (2004)

Håkan Johansson, Per Löwenborg, Reconstruction of periodically nonuniformly sampled bandlimited signals using time-varying FIR filters, Fourth Int. Workshop Spectral Methods Multirate Signal Processing 2004 (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)

Mattias Olsson, Håkan Johansson, Blind OFDM carrier frequency offset estimation by locating null subcarriers, OFDM Workshop 2004 2004 (2004)

Mattias Olsson, Håkan Johansson, Per Löwenborg, Scaling and round-off noise in multistage interpolators and decimators, Int. Workshop Spectral Methods Multirate Signal Processing 2004 (2004)

Mattias Olsson, Per Löwenborg, Håkan Johansson, Scaling of multistage interpolators, XII European Signal Processing Conf. 2004 (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

Per Löwenborg, Håkan Johansson, Minimax design of linear-phase FIR filters with adjustable bandwidths, IEEE Int. Symp. on Circuits and Systems 2004, pp. 657-660 (2004)

2003

Håkan Johansson, Efficient frequency-response-masking based FIR filter structures for interpolation and decimation, International Workshop on Spectral Methods and Multirate Signal Processing 2003, pp. 59-62 (2003)

Håkan Johansson, On lowpass and highpass IIR filters with an adjustable bandwidth, European Conference on Circuit Theory and Design 2003 (2003)

Håkan Johansson, Per Löwenborg, Linear programming design of linear-phase FIR filters with variable bandwidth, IEEE International Symposium on Circuits and Systems 2003, pp. III-554-III-557 (2003)

Baharak Soltanian, Tapio Saramäki, Håkan Johansson, Design of optimum recursive digital filters with double zeros on the unit circle leading to symmetric ladder wave digital filter structures, International Symposium on Image and Signal Processing and Analysis 2003, pp. 44-49 (2003)

Linnea Rosenbaum, Håkan Johansson, Two-channel linear-phase FIR filter banks utilizing the frequency-response masking approach, European Conference on Circuit Theory and Design 2003 (2003)

Linnea Rosenbaum, Per Löwenborg, Håkan Johansson, Cosine and sine modulated FIR filter banks utilizing the frequency-response masking approach, IEEE Internationals Symposium on Circuits and Systems 2003, pp. III-882-III-885 (2003)

Per Löwenborg, Håkan Johansson, Analysis of continuous-time-input sigma-delta modulators and their generalization, European Conference on Circuits Theory and Design 2003 (2003)

2002

Håkan Johansson, A class of Mth-band linear-phase FIR filters synthesized using the frequency-response masking approach, Nordic Signal Processing Symposium 2002 (2002)

Håkan Johansson, Efficient FIR filter structures based on the frequency-response masking approach for interpolation and decimation by a factor of two, International Workshop on Spectral Methods and Multirate Signal Processing 2002, pp. 73-76 (2002)

Håkan Johansson, Multirate approximately linear-phase IIR filter structures for arbitrary bandwidths, International Symposium on Circuits and Systems 2002, p. 5/289 (2002)

Håkan Johansson, Per Löwenborg, Reconstruction of a class of nonuniformly sampled and decimated bandlimited signals, IEEE International Symposium on Circuits and Systems 2002, pp. II-604-II-607 (2002)

Linnea Rosenbaum, Håkan Johansson, Frequency response masking FIR filters with short delay, International Symposium on Circuits on Systems 2002, p. 3/26 (2002)

Linnea Rosenbaum, Håkan Johansson, Narrow-band and wide-band frequency masking FIR filters with short delay, National Conference Radio Science RVK 2002, p. 496 (2002)

Linnea Rosenbaum, Per Löwenborg, Håkan Johansson, A class of cosine modulated causal IIR filter banks, IEEE International Conference on Electronics Circuits and Systems 2002, pp. 915-918 (2002)

Linnea Rosenbaum, Per Löwenborg, Håkan Johansson, Asymmetric cosine modulated causal IIR/FIR NPR filter banks, Second International Workshop on Spectral Methods and Multirate Signal Processing 2002 (2002)

Linnea Rosenbaum, Per Löwenborg, Håkan Johansson, Cosine-modulated causal IIR NPMR and NPR filter banks, Swedish System-on-chip Conference 2002 (2002)

Linnea Rosenbaum, Per Löwenborg, Håkan Johansson, Modulated M-channel FIR filter banks utilizing the frequency response masking approach, IEEE Nordic Signal Processing Symposium 2002 (2002)

Per Löwenborg, Håkan Johansson, A technique for correction of static gain- and time-skew errors in time-interleaved ADCs, Swedish System-on-chip Conference 2002 (2002)

Per Löwenborg, Håkan Johansson, Mitigation of static gain- and time-skew errors in time-interleaved ADCs using a system of digital fractional delay filters, Second International Workshop on Spectral Methods and Multirate Signal Processing 2002 (2002)

Per Löwenborg, Håkan Johansson, Lars Wanhammar, First-order sensitivity of constant-resistance analog filters with application fo filter banks, IEEE Nordic Signal Processing Symposium 2002 (2002)

2001

Håkan Johansson, Per Löwenborg, On adjustable fractional delay FIR filters and their design, European Conference on Circuits Theory and Design 2001 (2001)

Håkan Johansson, Per Löwenborg, Reconstruction of nonuniformly sampled bandlimited signals using digital fractional delay filters, IEEE International Symposium on Circuits and Systems 2001, pp. 593-596 (2001)

Håkan Johansson, Per Löwenborg, Reconstruction of nonuniformly sampled bandlimited signals using digital fractional delay filters, European Conference on Circuits Theory and Design 2001 (2001)

Elizabeth Elias, Per Löwenborg, Håkan Johansson, Lars Wanhammar, Tree-structured IIR/FIR octave-band filter banks with very low-complexity analysis filters, IEEE International Symposium on Circuits and Systems 2001, pp. 533-536 (2001)

Elizabeth Elias, Per Löwenborg, Håkan Johansson, Lars Wanhammar, Two-channel IIR/FIR filter banks with very low-complexity analysis or synthesis filters, IEEE Midwest Symposium on Circuits and Systems 2001, pp. 126-129 (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)

Per Löwenborg, Håkan Johansson, Quantization noise in filter bank analog-to-digital converters, IEEE International Symposium on Circuits and Systems 2001, pp. 601-604 (2001)

Per Löwenborg, Håkan Johansson, Lars Wanhammar, A survey of filter bank A/D converters, Swedish System-on-chip Conference 2001 (2001)

Per Löwenborg, Håkan Johansson, Lars Wanhammar, Analysis of gain and time-skew errors in filter bank based A/D converters, IEEE Midwest Symposium on Circuits and Systems 2001, pp. 263-266, IEEE (2001) https://doi.org/10.1109/MWSCAS.2001.986164

Tapio Saramäki, Håkan Johansson, Optimization of FIR filters using the frequency-response masking approach, International symposium on circuits and systems 2001, p. 2/177 (2001)

2000

Håkan Johansson, A class of high-speed wide-band frequency masking recursive digital filters with approximately linear phase,, Nordic Signal Processing Symposium 2000, LiTH-ISY-R (2000)

Håkan Johansson, New classes of frequency-response masking FIR filters, International symposium on circuits and systems 2000, pp. 81-84 vol.3, IEEE (2000) https://doi.org/10.1109/ISCAS.2000.856001

Håkan Johansson, On high-speed recursive digital filters, European Signal Processing Conference 2000, pp. 1701-1704 (2000)

Elizabeth Elias, Per Löwenborg, Håkan Johansson, Lars Wanhammar, Design of M-channel tree-structured filter banks with very low-complexity analysis filters, IEEE International Conference on Electronics Circuits and Systems 2000, pp. 87-90 vol.1, IEEE (2000) https://doi.org/10.1109/ICECS.2000.911491

Elizabeth Elias, Per Löwenborg, Håkan Johansson, Lars Wanhammar, M-channel tree-structured IIR/FIR filter banks with low-complexity analysis filters, IEEE Nordic Signal Processing Symposium 2000 (2000)

Henrik Ohlsson, Håkan Johansson, Lars Wanhammar, Implementation of a combined interpolator and decimator for an OFDM system demonstrator, NORCHIP 2000, p. 47 (2000)

Per Löwenborg, Håkan Johansson, Lars Wanhammar, A class of two-channel IIR/FIR filter banks, European Signal Processing Conference 2000, LiTH-ISY-R, pp. 1897-1900 (2000)

Per Löwenborg, Håkan Johansson, Lars Wanhammar, A class of two-channel approximately perfect reconstruction hybrid analog/digital filter banks, IEEE International Symposium on Circuits and Systems 2000, pp. 579-582, IEEE (2000)

Per Löwenborg, Håkan Johansson, Lars Wanhammar, A two-channel hybrid analog and IIR digital filter bank approximating perfect reconstruction, IEEE Nordic Signal Processing Symposium 2000, LiTH-ISY-R, Linköping Universitet, Linköping (2000)

Per Löwenborg, Håkan Johansson, Lars Wanhammar, Two-channel hybrid analog/digital filter banks with alias-free subbands, IEEE Midwest Symposium on Circuits and Systems 2000, pp. 1162-1165, IEEE (2000) https://doi.org/10.1109/MWSCAS.2000.951421

1999

Håkan Johansson, A class of high-speed approximately linear-phase recursive digital filters based on the frequency-response masking approach, Midwest symposium on circuits and systems 1999, p. 1/397 (1999)

Håkan Johansson, An approach to increase the maximal sample frequency of lattice wave digital filters based on circulators and Richards’ structures, European Conference on Circuit Theory and Design 1999, p. 2/1319 (1999)

Håkan Johansson, Multirate single-stage and multistage structures for high-speed recursive digital filtering, International symposium on circuits and systems 1999, p. 3/291 (1999)

Håkan Johansson, Lars Wanhammar, High-speed recursive digital filters based on frequency masking techniques, National Conf. Radio Science RVK 1999, pp. 357-361 (1999)

Håkan Johansson, Tapio Saramäki, A class of complementary IIR filters, International symposium on circuits and systems 1999, p. 3/299 (1999)

Håkan Johansson, Tapio Saramäki, Two-channel FIR filter banks based on the frequency-response masking approach, International Workshop on Transforms and Filter Banks 1999, pp. 367-382 (1999)

Henrik Ohlsson, Håkan Johansson, Lars Wanhammar, Implementation of a combined high-speed interpolation and decimation wave digital filter, International conference on electronics, circuits, and systems 1999, p. 2/721 (1999)

Per Löwenborg, Håkan Johansson, Lars Wanhammar, A class of two-channel hybrid analog/digital filter banks, Midwest Symposium on Circuits and Systems 1999, pp. 14-17 (1999)

Per Löwenborg, Håkan Johansson, Lars Wanhammar, A design procedure for 2-channel mixed analog and digital filter banks for A/D conversion using minimax optimization, IEEE International Conference on Electronics Circuits and Systems 1999, pp. 1189-1192 (1999)

Per Löwenborg, Håkan Johansson, Lars Wanhammar, On the frequency response of M-channel mixed analog and digital maximally decimated filter banks, European Conference on Circuits Theory and Design 1999 (1999)

1998

Mark Vesterbacka, Håkan Johansson, Kent Palmkvist, Lars Wanhammar, Implementation of narrow-band lattice wave digital filters, Proc. 1998 IEEE Nordic Signal Processing Symp., NORSIG’98, pp. 153-156 (1998)

1996

Håkan Johansson, Kent Palmkvist, Mark Vesterbacka, Lars Wanhammar, High-speed lattice wave digital filters for interpolation and decimation, Proc. National Conf. on Radio Science and Communication, RVK’96, pp. 543-547 (1996)

Book chapters

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

PhD theses

Håkan Johansson, Synthesis and Realization of High-Speed Recursive Digital Filters, Linköping Studies in Science and Technology. Dissertations 534, Linköping University, Linköping (1998)