Håkan Johansson

167 papers B 1C 19Misc 4Journal 84Unranked 59
YearRankTypeTitle / Venue / Authors
2026 J jnl
Efficient Computation of Time-Index Powered Weighted Sums Using Cascaded Accumulators.
IEEE Signal Process. Lett.
Deijany Rodriguez Linares, Oksana Moryakova, Håkan Johansson
2025 J jnl
A General Approach to Fully Linearize the Power Amplifiers in mMIMO With Low Complexity.
IEEE Trans. Commun.
Ganesh Prasad, Håkan Johansson, Rabul Hussain Laskar
2025 J jnl
Efficient Computation of Time-Index Powered Weighted Sums Using Cascaded Accumulators.
CoRR
Deijany Rodriguez Linares, Oksana Moryakova, Håkan Johansson
2025 — conf
Joint Sampling Frequency Offset Estimation and Compensation Based on the Farrow Structure.
DSP
Deijany Rodriguez Linares, Oksana Moryakova, Håkan Johansson
2025 J jnl
Joint Trajectory, User-Association, and Power Control for Green UAV-Assisted Data Collection Using Deep Reinforcement Learning.
IEEE Trans. Intell. Veh.
Abhishek Mondal, Deepak Mishra, Ganesh Prasad, Håkan Johansson
2025 J jnl
Low-Complexity Frequency-Dependent Linearizers Based on Parallel Bias-Modulus and Bias-ReLU Operations.
IEEE Access
Deijany Rodriguez Linares, Håkan Johansson
2025 J jnl
Low-Complexity Implementation of Real-Time Reconfigurable Low-Pass Equalizers.
IEEE Trans. Very Large Scale Integr. Syst.
Narges Mohammadi Sarband, Oksana Moryakova, Håkan Johansson, Oscar Gustafsson
2025 — conf
Modeling, Analysis, and Optimization of Cascaded Power Amplifiers.
EUSIPCO
Oksana Moryakova, Thomas Eriksson, Håkan Johansson
2025 J jnl
Modeling, Analysis, and Optimization of Cascaded Power Amplifiers.
CoRR
Oksana Moryakova, Thomas Eriksson, Håkan Johansson
2025 — conf
Reconstruction of Complex Baseband Signals via $M$-Periodic Nonuniform Bandpass Sampling and Least-Squares Optimal Time-Varying FIR Filters.
DSP
Håkan Johansson
2024 — conf
A Low-Complexity DPD to Fully Linearize the Power Amplifiers in a mMIMO Transmitter.
ICC
Ganesh Prasad, Håkan Johansson, Rabul Hussain Laskar
2024 — conf
Digital Linearizer Based on 1-Bit Quantizations.
ICCT
Deijany Rodriguez Linares, Håkan Johansson
2024 — conf
Efficient Design and Implementation of Fast-Convolution-Based Variable-Bandwidth Filters.
EUSIPCO
Oksana Moryakova, Håkan Johansson
2024 J jnl
Efficient Parallel Polynomial-Based Compensation Structure for Frequency Response Mismatch in Two-Channel TI-ADCs.
IEEE Trans. Circuits Syst. II Express Briefs
Mingxin Deng, Håkan Johansson, Yinan Wang, Zhiwei Li, Hui Xu
2024 J jnl
Low-complexity reconfigurable FIR lowpass equalizers for polynomial channel models.
Digit. Signal Process.
Oksana Moryakova, Yinan Wang, Håkan Johansson
2024 J jnl
Order Estimation of Linear-Phase FIR Filters for DAC Equalization in Multiple Nyquist Bands.
IEEE Signal Process. Lett.
Deijany Rodriguez Linares, Håkan Johansson, Yinan Wang
2023 J jnl
A General Approach to Fully Linearize the Power Amplifiers in mMIMO with Less Complexity.
CoRR
Ganesh Prasad, Håkan Johansson, Rabul Hussain Laskar
2023 J jnl
A Low-Complexity Post-Weighting Predistorter in a mMIMO Transmitter Under Crosstalk.
IEEE Commun. Lett.
Ganesh Prasad, Håkan Johansson
2023 J jnl
A Novel Hybrid Post-Weighting Digital Predistortion in mMIMO Under Crosstalk.
CoRR
Ganesh Prasad, Håkan Johansson
2023 — conf
Frequency-Domain Implementations of Variable Digital FIR Filters Using the Overlap-Save Technique.
DSP
Oksana Moryakova, Håkan Johansson
2023 J jnl
Low-Complexity Beamforming Designs and Channel Estimation for Passive-Intelligent-Surface-Assisted MISO Energy Transfer.
IEEE Internet Things J.
Deepak Mishra, Håkan Johansson
2023 — conf
Low-Complexity Memoryless Linearizer for Analog-to-Digital Interfaces.
DSP
Deijany Rodriguez Linares, Håkan Johansson
2023 J jnl
Unified Filter Order Estimate for Minimax-Designed Linear-Phase FIR Wideband and Lowpass Digital Differentiators.
Circuits Syst. Signal Process.
Yinan Wang, Mingxin Deng, Håkan Johansson, Zhiwei Li, Qingjiang Li
2022 J jnl
Condition Monitoring of Railway Crossing Geometry via Measured and Simulated Track Responses.
Sensors
Marko D. G. Milosevic, Björn A. Pålsson, Arne Nissen, Jens C. O. Nielsen, Håkan Johansson
2022 J jnl
On the Compensation of Timing Mismatch in Two-Channel Time-Interleaved ADCs: Strategies and a Novel Parallel Compensation Structure.
IEEE Trans. Signal Process.
Yinan Wang, Håkan Johansson, Mingxin Deng, Zhiwei Li
2022 — conf
Reconfigurable FIR Lowpass Equalizers.
SiPS
Oksana Moryakova, Yinan Wang, Håkan Johansson
2022 J jnl
The Phoenix syndrome: Netroots organizations strategies to gain and maintain digital resource abundance.
New Media Soc.
Håkan Johansson, Gabriella Scaramuzzino
2020 C conf
Correlation-Based Calibration for Nonlinearity Mismatches in Dual-Channel TIADCs.
ISCAS
Xiangyu Liu, Hui Xu, Yinan Wang, Nan Li, Håkan Johansson
2020 J jnl
Correlation-Based Calibration for Nonlinearity Mismatches in Dual-Channel TIADCs.
IEEE Trans. Circuits Syst. II Express Briefs
Xiangyu Liu, Hui Xu, Håkan Johansson, Yinan Wang, Nan Li
2020 C conf
On First-Order Compensation of Timing Mismatch in Two-Channel TIADCs.
ISCAS
Yinan Wang, Xiangyu Liu, Håkan Johansson, Chengxuan Zhao, Kairang Chen, Xi Zhu
2020 J jnl
Performance Analysis of Quantized Uplink Massive MIMO-OFDM With Oversampling Under Adjacent Channel Interference.
CoRR
Ali Bulut Üçüncü, Emil Björnson, Håkan Johansson, Erik G. Larsson, Ali Özgür Yilmaz
2020 J jnl
Performance Analysis of Quantized Uplink Massive MIMO-OFDM With Oversampling Under Adjacent Channel Interference.
IEEE Trans. Commun.
Ali Bulut Üçüncü, Emil Björnson, Håkan Johansson, Ali Özgür Yilmaz, Erik G. Larsson
2019 J jnl
Analysis, Design, and Order Estimation of Least-Squares FIR Equalizers for Bandwidth Extension of ADCs.
Circuits Syst. Signal Process.
Yinan Wang, Håkan Johansson, Nan Li, Qingjiang Li
2019 Misc conf
Channel Estimation and Low-complexity Beamforming Design for Passive Intelligent Surface Assisted MISO Wireless Energy Transfer.
ICASSP
Deepak Mishra, Håkan Johansson
2019 J jnl
Efficacy of Hybrid Energy Beamforming With Phase Shifter Impairments and Channel Estimation Errors.
IEEE Signal Process. Lett.
Deepak Mishra, Håkan Johansson
2019 J jnl
Optimal Channel Estimation for Hybrid Energy Beamforming Under Phase Shifter Impairments.
IEEE Trans. Commun.
Deepak Mishra, Håkan Johansson
2019 J jnl
Optimal Channel Estimation for Hybrid Energy Beamforming under Phase Shifter Impairments.
CoRR
Deepak Mishra, Håkan Johansson
2019 J jnl
Optimal Least Squares Estimator and Precoder for Energy Beamforming Over IQ-Impaired Channels.
IEEE Signal Process. Lett.
Deepak Mishra, Håkan Johansson
2019 J jnl
Optimal Least-Squares Estimator and Precoder for Energy Beamforming over IQ-Impaired Channels.
CoRR
Deepak Mishra, Håkan Johansson
2019 B conf
Performance of One-Bit Massive MIMO with Oversampling under Adjacent Channel Interference.
GLOBECOM
Ali Bulut Üçüncü, Emil Björnson, Håkan Johansson, Ali Özgür Yilmaz, Erik G. Larsson
2019 J jnl
The logics of digital advocacy: Between acts of political influence and presence.
New Media Soc.
Håkan Johansson, Gabriella Scaramuzzino
2018 Misc conf
Efficacy of Multiuser Massive Miso Wireless Energy Transfer Under iq Imbalance and Channel Estimation Errors Over Rician Fading.
ICASSP
Deepak Mishra, Håkan Johansson
2018 J jnl
Guest Editorial Special Issue on the 2017 IEEE International Symposium on Circuits and Systems (ISCAS 2017).
IEEE Trans. Circuits Syst. I Regul. Pap.
Fabio Pareschi, Felix Lustenberger, Håkan Johansson, Joseph R. Cavallaro
2016 Misc conf
Lower bounds on the L2-norms of digital resampling filters with zero-valued input samples.
ICASSP
Håkan Johansson, Anu Kalidas Muralidharan Pillai
2016 J jnl
Minimax Design and Order Estimation of FIR Filters for Extending the Bandwidth of ADCs.
CoRR
Yinan Wang, Håkan Johansson, Hui Xu, Jietao Diao
2016 C conf
Minimax design and order estimation of FIR filters for extending the bandwidth of ADCs.
ISCAS
Yinan Wang, Håkan Johansson, Hui Xu, Jietao Diao
2015 J jnl
Adaptive Background Estimation for Static Nonlinearity Mismatches in Two-Channel TIADCs.
IEEE Trans. Circuits Syst. II Express Briefs
Yinan Wang, Håkan Johansson, Hui Xu
2015 C conf
Decimation filters for high-speed delta-sigma modulators with passband constraints: General versus CIC-based FIR filters.
ISCAS
Oscar Gustafsson, Håkan Johansson
2015 J jnl
Design of Modulated Filter Banks and Transmultiplexers With Unified Initial Solutions and Very Few Unknown Parameters.
IEEE Trans. Circuits Syst. II Express Briefs
Amir Eghbali, Håkan Johansson
2015 J jnl
Digital estimation and compensation method for nonlinearity mismatches in time-interleaved analog-to-digital converters.
Digit. Signal Process.
Yinan Wang, Hui Xu, Håkan Johansson, Zhaolin Sun, J. Jacob Wikner
2015 J jnl
Efficient Recovery of Sub-Nyquist Sampled Sparse Multi-Band Signals Using Reconfigurable Multi-Channel Analysis and Modulated Synthesis Filter Banks.
IEEE Trans. Signal Process.
Anu Kalidas Muralidharan Pillai, Håkan Johansson
2015 — conf
Filter-bank based all-digital channelizers and aggregators for multi-standard video distribution.
DSP
Håkan Johansson, Oscar Gustafsson
2015 J jnl
Joint Blind Calibration for Mixed Mismatches in Two-Channel Time-Interleaved ADCs.
IEEE Trans. Circuits Syst. I Regul. Pap.
Yinan Wang, Håkan Johansson, Hui Xu, Zhaolin Sun
2015 — conf
On frequency-domain implementation of digital FIR filters.
DSP
Håkan Johansson, Oscar Gustafsson
2015 J jnl
Polyphase Decomposition of Digital Fractional-Delay Filters.
IEEE Signal Process. Lett.
Håkan Johansson, Fred Harris
2015 J jnl
Prefilter-Based Reconfigurable Reconstructor for Time-Interleaved ADCs With Missing Samples.
IEEE Trans. Circuits Syst. II Express Briefs
Anu Kalidas Muralidharan Pillai, Håkan Johansson
2015 J jnl
Two-Stage-Based Polyphase Structures for Arbitrary-Integer Sampling Rate Conversion.
IEEE Trans. Circuits Syst. II Express Briefs
Håkan Johansson, Heinz G. Göckler
2014 J jnl
A class of reconfigurable and low-complexity two-stage Nyquist filters.
Signal Process.
Amir Eghbali, Håkan Johansson
2014 Misc conf
A sub-band based reconstructor for M-channel time-interleaved ADCS with missing samples.
ICASSP
Anu Kalidas Muralidharan Pillai, Håkan Johansson
2014 J jnl
Add-Equalize Structures for Linear-Phase Nyquist FIR Filter Interpolators and Decimators.
IEEE Trans. Circuits Syst. I Regul. Pap.
Håkan Johansson, Amir Eghbali
2014 — conf
Blind calibration of nonlinearity mismatch errors in two-channel time-interleaved ADCs.
ICECS
Yinan Wang, Håkan Johansson, Hui Xu, Zhaolin Sun
2014 J jnl
Conditions for Lth-band filters of order 2N as cascades of identical linear-phase FIR spectral factors of order N.
Signal Process.
Amir Eghbali, Tapio Saramäki, Håkan Johansson
2014 J jnl
Improved Filter Bank Approach for the Design of Variable Bandedge and Fractional Delay Filters.
IEEE Trans. Circuits Syst. I Regul. Pap.
Wei Jing Xu, Ya Jun Yu, Håkan Johansson
2014 J jnl
On Efficient Design of High-Order Filters With Applications to Filter Banks and Transmultiplexers With Large Number of Channels.
IEEE Trans. Signal Process.
Amir Eghbali, Håkan Johansson
2014 J jnl
Relations Between Zero-IF Receiver I/Q and TI-ADC Channel Mismatches.
IEEE Trans. Signal Process.
Håkan Johansson
2014 J jnl
Two Polynomial FIR Filter Structures With Variable Fractional Delay and Phase Shift.
IEEE Trans. Circuits Syst. I Regul. Pap.
Håkan Johansson, Amir Eghbali
2014 — conf
Two reconstructors for m-channel time-interleaved ADCs with missing samples.
NEWCAS
Anu Kalidas Muralidharan Pillai, Håkan Johansson
2013 J jnl
A method for the design of Farrow-structure based variable fractional-delay FIR filters.
Signal Process.
Amir Eghbali, Håkan Johansson, Tapio Saramäki
2013 — conf
Efficient reconfigurable scheme for the recovery of sub-Nyquist sampled sparse multi-band signals.
GlobalSIP
Anu Kalidas Muralidharan Pillai, Håkan Johansson
2013 C conf
FIR filter with variable fractional delay and phase shift: Efficient realization and design using reweighted l1-norm minimization.
ISCAS
Håkan Johansson, Amir Eghbali
2013 C conf
Low-complexity two-rate based multivariate impulse response reconstructor for time-skew error correction in m-channel time-interleaved ADCs.
ISCAS
Anu Kalidas Muralidharan Pillai, Håkan Johansson
2013 J jnl
On FIR Filter Approximation of Fractional-Order Differentiators and Integrators.
IEEE J. Emerg. Sel. Topics Circuits Syst.
Håkan Johansson
2013 J jnl
On the Fixed-Point Implementation of Fractional-Delay Filters Based on the Farrow Structure.
IEEE Trans. Circuits Syst. I Regul. Pap.
Muhammad Abbas, Oscar Gustafsson, Håkan Johansson
2013 J jnl
Two-Rate Based Low-Complexity Variable Fractional-Delay FIR Filter Structures.
IEEE Trans. Circuits Syst. I Regul. Pap.
Håkan Johansson, Ewa Hermanowicz
2012 J jnl
A Class of Multimode Transmultiplexers Based on the Farrow Structure.
Circuits Syst. Signal Process.
Amir Eghbali, Håkan Johansson, Per Löwenborg
2012 J jnl
A Technique for Efficient Realization of Wide-Band FIR LTI Systems.
IEEE Trans. Signal Process.
Zaka Ullah Sheikh, Håkan Johansson
2012 — conf
A realization of FIR filters with simultaneously variable bandwidth and fractional delay.
EUSIPCO
Håkan Johansson, Amir Eghbali
2012 J jnl
Efficient Wide-Band FIR LTI Systems Derived Via Multi-Rate Techniques and Sparse Bandpass Filters.
IEEE Trans. Signal Process.
Zaka Ullah Sheikh, Håkan Johansson
2012 — conf
Efficient signal reconstruction scheme for time-interleaved ADCs.
NEWCAS
Anu Kalidas Muralidharan Pillai, Håkan Johansson
2012 J jnl
Fractional-Delay and Supersymmetric
IEEE Trans. Circuits Syst. II Express Briefs
Håkan Johansson
2012 J jnl
On Two-Stage Nyquist Pulse Shaping Filters.
IEEE Trans. Signal Process.
Amir Eghbali, Tapio Saramäki, Håkan Johansson
2012 C conf
Reconfigurable two-stage Nyquist filters utilizing the farrow structure.
ISCAS
Amir Eghbali, Håkan Johansson
2012 — conf
Time-skew error correction in two-channel time-interleaved ADCs based on a two-rate approach and polynomial impulse responses.
MWSCAS
Anu Kalidas Muralidharan Pillai, Håkan Johansson
2012 C conf
Tree-structured linear-phase Nyquist FIR filter interpolators and decimators.
ISCAS
Håkan Johansson, Amir Eghbali, Jimmie Lahti
2011 J jnl
A Class of Wide-Band Linear-Phase FIR Differentiators Using a Two-Rate Approach and the Frequency-Response Masking Technique.
IEEE Trans. Circuits Syst. I Regul. Pap.
Zaka Ullah Sheikh, Håkan Johansson
2011 — conf
Complexity reduction in low-delay farrow-structure-based variable fractional delay FIR filters utilizing linear-phase subfilters.
ECCTD
Amir Eghbali, Håkan Johansson
2011 J jnl
Dynamic Frequency-Band Reallocation and Allocation: from Satellite-Based Communication Systems to Cognitive Radios.
J. Signal Process. Syst.
Amir Eghbali, Håkan Johansson, Per Löwenborg, Heinz G. Göckler
2011 J jnl
Farrow-Structure-Based Reconfigurable Bandpass Linear-Phase FIR Filters for Integer Sampling Rate Conversion.
IEEE Trans. Circuits Syst. II Express Briefs
Håkan Johansson
2011 — conf
Linear-phase FIR digital differentiator order estimation.
ECCTD
Zaka Ullah Sheikh, Amir Eghbali, Håkan Johansson
2011 J jnl
Reconfigurable Nonuniform Transmultiplexers Using Uniform Modulated Filter Banks.
IEEE Trans. Circuits Syst. I Regul. Pap.
Amir Eghbali, Håkan Johansson, Per Löwenborg
2010 C conf
Reconfigurable nonuniform transmultiplexers based on uniform filter banks.
ISCAS
Amir Eghbali, Håkan Johansson, Per Löwenborg
2010 J jnl
Two Classes of Cosine-Modulated IIR/IIR and IIR/FIR NPR Filter Banks.
Circuits Syst. Signal Process.
Linnéa Rosenbaum, Per Löwenborg, Håkan Johansson
2009 J jnl
A Polynomial-Based Time-Varying Filter Structure for the Compensation of Frequency-Response Mismatch Errors in Time-Interleaved ADCs.
IEEE J. Sel. Top. Signal Process.
Håkan Johansson
2009 J jnl
Flexible Frequency-Band Reallocation: Complex Versus Real.
Circuits Syst. Signal Process.
Amir Eghbali, Håkan Johansson, Per Löwenborg
2009 C conf
On the Filter Design for a Class of Multimode Transmultiplexers.
ISCAS
Amir Eghbali, Håkan Johansson, Per Löwenborg
2009 C conf
Scaling of Fractional Delay Filters based on the Farrow Structure.
ISCAS
Tahir Abbas Khan, Oscar Gustafsson, Håkan Johansson
2009 C conf
Wideband Linear-phase FIR Differentiators Utilizing Multirate and Frequency-response Masking Techniques.
ISCAS
Zaka Ullah Sheikh, Håkan Johansson
2008 J jnl
A Fractionally Delaying Complex Hilbert Transform Filter.
IEEE Trans. Circuits Syst. II Express Briefs
Ewa Hermanowicz, Håkan Johansson, Miroslaw Rojewski
2008 J jnl
A Least-Squares Filter Design Technique for the Compensation of Frequency Response Mismatch Errors in Time-Interleaved A/D Converters.
IEEE Trans. Circuits Syst. II Express Briefs
Håkan Johansson, Per Löwenborg
2008 J jnl
A Multimode Transmultiplexer Structure.
IEEE Trans. Circuits Syst. II Express Briefs
Amir Eghbali, Håkan Johansson, Per Löwenborg
2008 C conf
A farrow-structure-based multi-mode transmultiplexer.
ISCAS
Amir Eghbali, Håkan Johansson, Per Löwenborg
2008 — conf
Comparison of multiplierless implementation of nonlinear-phase versus linear-phase FIR filters.
ACSCC
Muhammad Abbas, Fahad Qureshi, Zaka Ullah Sheikh, Oscar Gustafsson, Håkan Johansson, Kenny Johansson
2008 J jnl
Multirate Formulation for Mismatch Sensitivity Analysis of Analog-to-Digital Converters That Utilize Parallel ΣΔ-Modulators.
EURASIP J. Adv. Signal Process.
Anton Blad, Håkan Johansson, Per Löwenborg
2007 J jnl
A Complex Variable Fractional-Delay FIR Filter Structure.
IEEE Trans. Circuits Syst. II Express Briefs
Ewa Hermanowicz, Håkan Johansson
2007 J jnl
An Approach for Synthesis of Modulated M-Channel FIR Filter Banks Utilizing the Frequency-Response Masking Technique.
EURASIP J. Adv. Signal Process.
Linnéa Rosenbaum, Per Löwenborg, Håkan Johansson
2007 — conf
An arbitrary-bandwidth transmultiplexer and its application to flexible frequency-band reallocation networks.
ECCTD
Amir Eghbali, Håkan Johansson, Per Löwenborg
2007 C conf
Complexity Comparison of Linear-Phase Mth-Band and General FIR Filters.
ISCAS
Oscar Gustafsson, Håkan Johansson
2007 J jnl
Flexible Frequency-Band Reallocation Networks Using Variable Oversampled Complex-Modulated Filter Banks.
EURASIP J. Adv. Signal Process.
Håkan Johansson, Per Löwenborg
2007 J jnl
Least-Squares and Minimax Design of Polynomial Impulse Response FIR Filters for Reconstruction of Two-Periodic Nonuniformly Sampled Signals.
IEEE Trans. Circuits Syst. I Regul. Pap.
Håkan Johansson, Per Löwenborg, K. Vengattaramane
2007 — conf
Simultaneous estimation of gain, delay, and offset utilizing the farrow structure.
ECCTD
Mattias Olsson, Håkan Johansson, Per Löwenborg
2006 — conf
A General Formulation of Analog-to-Digital Converters Using Parallel Sigma-Delta Modulators and Modulation Sequences.
APCCAS
Anton Blad, Håkan Johansson, Per Löwenborg
2006 — conf
Adjustable Fractional-Delay FIR Filters Using the Farrow Structure and Multirate Techniques.
APCCAS
Håkan Johansson, Oscar Gustafsson, J. Johansson, Lars Wanhammar
2006 — conf
Design trade-offs for linear-phase FIR decimation filters and ΣΔ-modulators.
EUSIPCO
Anton Blad, Per Löwenborg, Håkan Johansson
2006 — conf
Implementation of Polyphase Decomposed FIR Filters for Interpolation and Decimation Using Multiple Constant Multiplication Techniques.
APCCAS
Oscar Gustafsson, Kenny Johansson, Håkan Johansson, Lars Wanhammar
2006 J jnl
Minimax design of adjustable-bandwidth linear-phase FIR filters.
IEEE Trans. Circuits Syst. I Regul. Pap.
Per Löwenborg, Håkan Johansson
2006 — conf
Oversampled complex-modulated causal IIR filter banks for flexible frequency-band reallocation networks.
EUSIPCO
Linnéa Rosenbaum, Håkan Johansson, Per Löwenborg
2006 — conf
Reconstruction of M-periodic nonuniformly sampled signals using multivariate polynomial impulse response time-varying FIR filters.
EUSIPCO
Håkan Johansson, Per Löwenborg, Kameswaran Vengattaramane
2006 J jnl
Reconstruction of Nonuniformly Sampled Bandlimited Signals by Means of Time-Varying Discrete-Time FIR Filters.
EURASIP J. Adv. Signal Process.
Håkan Johansson, Per Löwenborg
2006 C conf
Reconstruction of two-periodic nonuniformly sampled signals using polynomial impulse response time-varying FIR filters.
ISCAS
Håkan Johansson, Per Löwenborg, K. Vengattaramane
2006 — conf
Time-delay estimation using Farrow-based fractional-delay FIR filters: Filter approximation vs. estimation errors.
EUSIPCO
Mattias Olsson, Håkan Johansson, Per Löwenborg
2006 C conf
Time-interleaved analog-to-digital converters: status and future directions.
ISCAS
Christian Vogel, Håkan Johansson
2005 J jnl
Estimation of muscle spindle information rate by pattern matching and the effect of gamma system activity on parallel spindles.
Biol. Cybern.
Yoav Tock, Gideon F. Inbar, Yossef Steinberg, Milos Ljubisavljevic, J. Thunberg, Uwe Windhorst, Håkan Johansson
2005 — conf
Flexible frequency-band reallocation network based on variable oversampled complex-modulated filter banks [satellite communication applications].
ICASSP (3)
Håkan Johansson, Per Löwenborg
2005 J jnl
Linear-phase FIR interpolation, decimation, and mth-band filters utilizing the farrow structure.
IEEE Trans. Circuits Syst. I Regul. Pap.
Håkan Johansson, Oscar Gustafsson
2005 — conf
On designing minimax adjustable wideband fractional delay FIR filters using two-rate approach.
ECCTD
Ewa Hermanowicz, Håkan Johansson
2004 J jnl
First-order sensitivity of complementary diplexers.
IEEE Trans. Circuits Syst. II Express Briefs
Per Löwenborg, Håkan Johansson, Lars Wanhammar
2004 — conf
Minimax design of linear-phase FIR filters with adjustable bandwidths.
ISCAS (3)
Per Löwenborg, Håkan Johansson
2004 — conf
Mth-band linear-phase FIR filter interpolators and decimators utilizing the Farrow structure.
ISCAS (3)
Håkan Johansson, Oscar Gustafsson
2004 J jnl
On linear-phase FIR filters with variable bandwidth.
IEEE Trans. Circuits Syst. II Express Briefs
Håkan Johansson, Per Löwenborg
2004 — conf
On the design of IIR bandpass filters with an adjustable bandwidth and centre frequency.
ISCAS (3)
Håkan Johansson
2004 — conf
Reconstruction of nonuniformly sampled bandlimited signals using time-varying discrete-time FIR filters.
EUSIPCO
Håkan Johansson, Per Löwenborg
2004 — conf
Scaling of multistage interpolators.
EUSIPCO
Mattias Olsson, Per Löwenborg, Håkan Johansson
2003 J jnl
A model of the feline medial gastrocnemius motoneuron-muscle system subjected to recurrent inhibition.
Biol. Cybern.
Takanori Uchiyama, Håkan Johansson, Uwe Windhorst
2003 — conf
Cosine and sine modulated FIR filter banks utilizing the frequency-response masking approach.
ISCAS (3)
Linnéa Rosenbaum, Per Löwenborg, Håkan Johansson
2003 — conf
Linear programming design of linear-phase FIR filters with variable bandwidth.
ISCAS (3)
Per Löwenborg, Håkan Johansson
2003 J jnl
On the design of adjustable fractional delay FIR filters.
IEEE Trans. Circuits Syst. II Express Briefs
Håkan Johansson, Per Löwenborg
2003 J jnl
Optimization Of Frequency-Response Masking Based Fir Filters.
J. Circuits Syst. Comput.
Tapio Saramäki, Juha Yli-Kaakinen, Håkan Johansson
2003 J jnl
Single Filter Frequency-Response Masking Fir Filters.
J. Circuits Syst. Comput.
Oscar Gustafsson, Håkan Johansson, Lars Wanhammar
2003 J jnl
Static and dynamic input-output relations of the feline medial gastrocnemius motoneuron-muscle system subjected to recurrent inhibition: a model study.
Biol. Cybern.
Takanori Uchiyama, Håkan Johansson, Uwe Windhorst
2003 J jnl
Tree-structured IIR/FIR uniform-band and octave-band filter banks with very low-complexity analysis or synthesis filters.
Signal Process.
Elizabeth Elias, Per Löwenborg, Håkan Johansson, Lars Wanhammar
2003 J jnl
Two-channel digital and hybrid analog/digital multirate filter banks with very low-complexity analysis or synthesis filters.
IEEE Trans. Circuits Syst. II Express Briefs
Per Löwenborg, Håkan Johansson, Lars Wanhammar
2002 — conf
A class of cosine-modulated causal IIR filter banks.
ICECS
Linnéa Svensson, Per Löwenborg, Håkan Johansson
2002 — conf
Frequency response masking FIR filters with short delay.
ISCAS (3)
Linnéa Svensson, Håkan Johansson
2002 J jnl
Information-theoretic analysis of de-efferented single muscle spindles.
Biol. Cybern.
Yoav Tock, Milos Ljubisavljevic, J. Thunberg, Uwe Windhorst, Gideon F. Inbar, Håkan Johansson
2002 — conf
Multirate approximately linear-phase IIR filter structures for arbitrary bandwidths.
ISCAS (5)
Håkan Johansson
2002 J jnl
Reconstruction of nonuniformly sampled bandlimited signals by means of digital fractional delay filters.
IEEE Trans. Signal Process.
Håkan Johansson, Per Löwenborg
2001 — conf
Implementation of bit-parallel lattice wave digital filters with increased maximal sample rate.
ICECS
Henrik Ohlsson, Oscar Gustafsson, Håkan Johansson, Lars Wanhammar
2001 — conf
Narrow-band and wide-band high-speed recursive digital filters using single filter frequency masking techniques.
ISSPA
Oscar Gustafsson, Håkan Johansson, Lars Wanhammar
2001 — conf
Narrow-band and wide-band single filter frequency masking FIR filters.
ISCAS (2)
Oscar Gustafsson, Håkan Johansson, Lars Wanhammar
2001 — conf
Optimization of FIR filters using the frequency-response masking approach.
ISCAS (2)
Tapio Saramäki, Håkan Johansson
2001 — conf
Quantization noise in filter bank analog-to-digital converters.
ISCAS (2)
Per Löwenborg, Håkan Johansson
2001 — conf
Reconstruction of nonuniform sampled bandlimited signals using digital fractional filters.
ISCAS (2)
Håkan Johansson, Per Löwenborg
2001 — conf
Tree-structured IIR/FIR octave-band filter banks with very low-complexity analysis filters.
ISCAS (2)
Elizabeth Elias, Per Löwenborg, Håkan Johansson, Lars Wanhammar
2001 — conf
Understanding Multimodal Interaction by Exploiting Unification and Integration Rules.
NODALIDA
Håkan Johansson
2000 — conf
A class of two-channel IIR/FIR filter banks.
EUSIPCO
Per Löwenborg, Håkan Johansson, Lars Wanhammar
2000 C conf
A class of two-channel approximately perfect reconstruction hybrid analog/digital filter banks.
ISCAS
Per Löwenborg, Håkan Johansson, Lars Wanhammar
2000 C conf
Design and efficient implementation of high-speed narrow-band recursive digital filters using single filter frequency masking techniques.
ISCAS
Oscar Gustafsson, Håkan Johansson, Lars Wanhammar
2000 — conf
Design and efficient implementation of narrow-band single filter frequency masking FIR filters.
EUSIPCO
Oscar Gustafsson, Håkan Johansson, Lars Wanhammar
2000 — conf
Design of m-channel tree-structured filter banks with very low-complexity analysis filters.
ICECS
Elizabeth Elias, Per Löwenborg, Håkan Johansson, Lars Wanhammar
2000 C conf
New classes of frequency-response masking FIR filters.
ISCAS
Håkan Johansson
2000 — conf
On high-speed recursive digital filters.
EUSIPCO
Håkan Johansson
1999 — conf
A class of complementary IIR filters.
ISCAS (3)
Håkan Johansson, Tapio Saramäki
1999 — conf
A design procedure for 2-channel mixed analog and digital filter banks for A/D conversion using minimax optimization.
ICECS
Per Löwenborg, Håkan Johansson, Lars Wanhammar
1999 — conf
Implementation of a combined high-speed interpolation and decimation wave digital filter.
ICECS
Henrik Ohlsson, Håkan Johansson, Lars Wanhammar
1999 — conf
Multirate single-stage and multistage structures for high-speed recursive digital filtering.
ISCAS (3)
Håkan Johansson
1996 — conf
High-speed narrow-band lattice wave digital filters.
ICECS
Håkan Johansson, Lars Wanhammar
1996 — conf
Two-stage polyphase interpolators and decimators for sample rate conversions with prime numbers.
EUSIPCO
Håkan Johansson, Lars Wanhammar