Publications for Håkan Johansson
Co-author map based on ISI articles 2007-

Publications mentioned in social media 3 times*

Keywords

variable subfilters reconfigurable realization p>this overall nyquist linear-phase introduces impulse fir finite-length filters farrow examples differentiators delay complexity arithmetic (fir)

Journal Articles

Håkan Johansson
  Relations Between Zero-IF Receiver I/Q and TI-ADC Channel Mismatches
  IEEE Transactions on Signal Processing, 2014, 62(13), 3403-3414.

Håkan Johansson and Amir Eghbali
  Add-Equalize Structures for Linear-Phase Nyquist FIR Filter Interpolators and Decimators
  IEEE Transactions on Circuits and Systems Part 1: Regular Papers, 2014, 61(6), 1766-1777.

Håkan Johansson and Amir Eghbali
  Two Polynomial FIR Filter Structures With Variable Fractional Delay and Phase Shift
  IEEE Transactions on Circuits and Systems Part 1: Regular Papers, 2014, 61(5), 1355-1365.

Amir Eghbali, Håkan Johansson, Oscar Gustafsson and Seb J. Savory
  Optimal Least-Squares FIR Digital Filters for Compensation of Chromatic Dispersion in Digital Coherent Optical Receivers
  Journal of Lightwave Technology, 2014, 32(8), 1449-1456.
   Fulltext  PDF  

Wei Jing Xu, Ya Jun Yu and Håkan Johansson
  Improved Filter Bank Approach for the Design of Variable Bandedge and Fractional Delay Filters
  IEEE Transactions on Circuits and Systems Part 1: Regular Papers, 2014, 61(3), 764-777.

Amir Eghbali and Håkan Johansson
  On Efficient Design of High-Order Filters With Applications to Filter Banks and Transmultiplexers With Large Number of Channels
 
Altmetric usage: 1

  IEEE Transactions on Signal Processing, 2014, 62(5), 1198-1209.

Amir Eghbali, Tapio Saramaki and Håkan Johansson
  Conditions for Lth-band filters of order 2N as cascades of identical linear-phase FIR spectral factors of order N
  Signal Processing, 2014, 97(April), .

Amir Eghbali and Håkan Johansson
  A class of reconfigurable and low-complexity two-stage Nyquist filters
  Signal Processing, 2014, 96, 164-172.

Håkan Johansson
  On FIR Filter Approximation of Fractional-Order Differentiators and Integrators
  IEEE JOURNAL ON EMERGING AND SELECTED TOPICS IN CIRCUITS AND SYSTEMS, 2013, 3(3), 404-415.

Anu Kalidas Muralidharan Pillai and Håkan Johansson
  Efficient signal reconstruction scheme for M-channel time-interleaved ADCs
  Analog Integrated Circuits and Signal Processing, 2013, 77(2), 113-122.
   Fulltext  PDF  

Amir Eghbali, Håkan Johansson and Tapio Saramaki
  A method for the design of Farrow-structure based variable fractional-delay FIR filters
  Signal Processing, 2013, 93(5), 1341-1348.
 Web of Science® Times Cited: 3

Muhammad Abbas, Oscar Gustafsson and Håkan Johansson
  On the Fixed-Point Implementation of Fractional-Delay Filters Based on the Farrow Structure
  IEEE Transactions on Circuits and Systems Part 1: Regular Papers, 2013, 60(4), 926-937.
 Web of Science® Times Cited: 3

Håkan Johansson and Ewa Hermanowicz
  Two-Rate Based Low-Complexity Variable Fractional-Delay FIR Filter Structures
  IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS, 2013, 60(1), 136-149.
 Web of Science® Times Cited: 6

Amir Eghbali, T. Saramaki and Håkan Johansson
  On two-stage Nyquist pulse shaping filters
 
Altmetric usage: 2

  IEEE Transactions on Signal Processing, 2012, 60(1), 483-488.
 Web of Science® Times Cited: 5

Anu Kalidas Muralidharan Pillai and 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, 2012, 11(2-3), 195-220.

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, 2012, 59(6), 366-370.
 Web of Science® Times Cited: 1

Amir Eghbali, Håkan Johansson and Per Löwenborg
  A Class of Multimode Transmultiplexers Based on the Farrow Structure
  Circuits, systems, and signal processing, 2012, 31(3), 961-985.
 Web of Science® Times Cited: 3

Zaka Ullah Sheikh and Håkan Johansson
  Efficient Wide-Band FIR LTI Systems Derived Via Multi-Rate Techniques and Sparse Bandpass
  IEEE Transactions on Signal Processing, 2012, 60(7), 3859-3863.
 Web of Science® Times Cited: 4

Zaka Ullah Sheikh and Håkan Johansson
  A Technique for Efficient Realization of Wide-Band FIR LTI Systems
  IEEE Transactions on Signal Processing, 2012, 60(3), 1482-1486.
 Web of Science® Times Cited: 2

Zaka Ullah Sheikh and 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, 2011, 58(8), 1827-1839.
 Web of Science® Times Cited: 5

Amir Eghbali, Håkan Johansson and Per Löwenborg
  Reconfigurable Nonuniform Transmultiplexers Using Uniform Modulated Filter Banks
  IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS, 2011, 58(3), 539-547.
 Web of Science® Times Cited: 5

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, 2011, 58(1), 46-50.
   Fulltext  PDF  
 Web of Science® Times Cited: 4

Amir Eghbali, Håkan Johansson, Per Löwenborg and Heinz G Göckler
  Dynamic Frequency-Band Reallocation and Allocation: from Satellite-Based Communication Systems to Cognitive Radios
  Journal of VLSI Signal Processing Systems for Signal, Image and Video Technology, 2011, 62(2), 187-203.
 Web of Science® Times Cited: 2

Linnea Rosenbaum, Per Löwenborg and Håkan Johansson
  Two Classes of Cosine-Modulated IIR/IIR and IIR/FIR NPR Filter Banks
  CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2010, 29(1), 103-133.
 Web of Science® Times Cited: 3

Amir Eghbali, Håkan Johansson and Per Löwenborg
  Flexible Frequency-Band Reallocation: Complex Versus Real
  Circuits, systems, and signal processing, 2009, 28(3), 409-431.
 Web of Science® Times Cited: 1

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, 2009, 3(3), 384-396.
 Web of Science® Times Cited: 16

Anton Blad, Håkan Johansson and 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, .
 Web of Science® Times Cited: 1

E. Hermanowicz, Håkan Johansson and M. Rojewski
  A fractionally delaying complex Hilbert transform filter
  IEEE Transactions on Circuits and Systems II: Express Briefs, 2008, 55(5), 452-456.
 Web of Science® Times Cited: 2

Håkan Johansson and 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, 2008, 55(11), 1154-1158.
 Web of Science® Times Cited: 18

Amir Eghbali, Håkan Johansson and Per Löwenborg
  A Multimode Transmultiplexer Structure
  IEEE transactions on circuits and systems. 2, Analog and digital signal processing (Print), 2008, 55(3), 279-283.
   Fulltext  PDF  
 Web of Science® Times Cited: 8

Håkan Johansson and Ewa Hermanowicz
  A complex variable fractional-delay FIR filter structure
  IEEE transactions on circuits and systems. 2, Analog and digital signal processing (Print), 2007, 54(9), 785-789.
 Web of Science® Times Cited: 1

Håkan Johansson, Per Löwenborg and 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: Fundamental Theory and Applications, 2007, 54(4), 877-888.
 Web of Science® Times Cited: 22

Linnea Rosenbaum and Håkan Johansson
  On low-delay frequency-response masking FIR filters
  Circuits, systems, and signal processing, 2007, 26(1), .
 Web of Science® Times Cited: 3

Linnea Rosenbaum, Per Löwenborg and 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, .
 Web of Science® Times Cited: 4

Håkan Johansson and Per Löwenborg
  Flexible frequency-band reallocation networks using variable oversampled complex-modulated filter banks
  EURASTP journal an applied signal processing, 2007, 2007, .
 Web of Science® Times Cited: 6

Håkan Johansson and 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, .
 Web of Science® Times Cited: 13

Håkan Johansson
  Two classes of frequency-response masking linear-phase FIR filters for interpolation and decimation
  Circuits, systems, and signal processing, 2006, 25(2), 175-200.
 Web of Science® Times Cited: 14

Per Löwenborg and Håkan Johansson
  Minimax design of adjustable-bandwidth linear-phase FIR filters
  IEEE Transactions on Circuits And Systems Part I: Fundamental Theory and Applications, 2006, 53(2), 431-439.
 Web of Science® Times Cited: 19

Håkan Johansson and Oscar Gustafsson
  Linear-phase FIR interpolation, decimation, and M th-band filters utilizing the farrow structure
  IEEE Transactions on Circuits And Systems Part I: Fundamental Theory and Applications, 2005, 52(10), 2197-2207.
 Web of Science® Times Cited: 23

Per Löwenborg, Håkan Johansson and Lars Wanhammar
  First-order sensitivity of complementary diplexers
  IEEE transactions on circuits and systems. 2, Analog and digital signal processing (Print), 2004, 51(8), 421-425.
 Web of Science® Times Cited: 2

Håkan Johansson and Per Löwenborg
  On linear-phase FIR filters with variable bandwidth
  IEEE transactions on circuits and systems. 2, Analog and digital signal processing (Print), 2004, 51(4), 181-184.
 Web of Science® Times Cited: 8

Oscar Gustafsson, Håkan Johansson and Lars Wanhammar
  Single filter frequency-response masking FIR filters
  Journal of Circuits, Systems and Computers, 2003, 12(5), 601-630.
 Web of Science® Times Cited: 12

Håkan Johansson
  Multirate IIR filter structures for arbitrary bandwidths
  IEEE Transactions on Circuits And Systems Part I: Fundamental Theory and Applications, 2003, 50(12), 1515-1529.
 Web of Science® Times Cited: 2

Oscar Gustafsson, Håkan Johansson and Lars Wanhammar
  Single Filter Frequency Masking High-Speed Recursive Digital Filters
  Circuits, systems, and signal processing, 2003, 22(2), 219-238.
 Web of Science® Times Cited: 8

Tapio Saramäki, Juha Yli-Kaakinen and Håkan Johansson
  Optimization of frequency-response masking based FIR filters
  Journal of Circuits, Systems and Computers, 2003, 12(5), 563-590.
 Web of Science® Times Cited: 20

Håkan Johansson and Tapio Saramäki
  Two-channel FIR filter banks utilizing the FRM approach
  Circuits, systems, and signal processing, 2003, 22(2), 157-192.
 Web of Science® Times Cited: 16

Elizabeth Elias, Per Löwenborg, Håkan Johansson and Lars Wanhammar
  Tree-structured IIR/FIR uniform-band and octave-band filter banks with very low-complexity analysis or synthesis filters
  Signal Processing, 2003, 83(9), 1997-2009.
 Web of Science® Times Cited: 8

Håkan Johansson and Per Löwenborg
  On the design of adjustable fractional delay FIR filters
  IEEE transactions on circuits and systems. 2, Analog and digital signal processing (Print), 2003, 50(4), 164-169.
 Web of Science® Times Cited: 66

Per Löwenborg, Håkan Johansson and 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. 2, Analog and digital signal processing (Print), 2003, 50(7), 355-367.
 Web of Science® Times Cited: 20

Håkan Johansson and Per Löwenborg
  Reconstruction of nonuniformly sampled bandlimited signals by means of digital fractional delay filters
  IEEE Transactions on Signal Processing, 2002, 50(11), 2757-2767.
 Web of Science® Times Cited: 73

Håkan Johansson and Lars Wanhammar
  High-speed recursive digital filters based on the frequency-response masking approach
  IEEE transactions on circuits and systems. 2, Analog and digital signal processing (Print), 2000, 47(1), 48-61.
 Web of Science® Times Cited: 24

Håkan Johansson and 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. 2, Analog and digital signal processing (Print), 1999, 46(1), 16-28.

Håkan Johansson and Lars Wanhammar
  Wave digital filter structures for high-speed narrow-band and wide-band filtering
  IEEE transactions on circuits and systems. 2, Analog and digital signal processing (Print), 1999, 46(6), 726-741.

Håkan Johansson and 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. 2, Analog and digital signal processing (Print), 1999, 46(7), 896-905.

Chapters in Books

Håkan Johansson and Oscar Gustafsson
  Two-Rate Based Structures for Computationally Efficient Wide-Band FIR Systems
  Digital Filters and Signal Processing, InTech, 2013, 189-212.


Conference Articles

Anu Kalidas Muralidharan Pillai and Håkan Johansson
  Two reconstructors for M-channel time-interleaved ADCs with missing samples
  12th IEEE International New Circuits and Systems Conference (NEWCAS), Trois-Rivières, Canada, June 22-25, 2014., 2014.


  Fulltext PDF

Anu Kalidas Muralidharan Pillai and Håkan Johansson
  A sub-band based reconstructor for M-channel time-interleaved ADCs with missing samples
  IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2014), Florence, Italy, May 4-9, 2014, 2014.


  Fulltext PDF

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


Anu Kalidas Pillai and 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, 2013.


Anu Kalidas Muralidharan Pillai and Håkan Johansson
  Efficient reconfigurable scheme for the recovery of sub-Nyquist sampled sparse multi-band signals
  IEEE Global Conference on Signal and Information Processing (GlobalSIP 2013), December 3-5, 2013, Austin, Texas, USA, 2013.


  Fulltext PDF

Amir Eghbali and Håkan Johansson
  Reconfigurable Two-Stage Nyquist Filters Utilizing the Farrow Structure
  2012 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS 2012), 2012.


Håkan Johansson, Amir Eghbali and Jimmie Lahti
  Tree-Structured Linear-Phase Nyquist FIR Filter Interpolators and Decimators
  2012 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS 2012), 2012.


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


 Web of Science® Times Cited: 1

Anu Kalidas Muralidharan Pillai and Håkan Johansson
  Efficient signal reconstruction scheme for time-interleaved ADCs
  Proc. IEEE 10th Int. New Circuits and Systems Conf. (NEWCAS), 2012.


  Fulltext PDF

Amir Eghbali and Håkan Johansson
  Complexity reduction in low-delay Farrow-structure-based variable fractional delay FIR filters utilizing linear-phase subfilters
  Eur. Conf. Circuit Theory Design, 2012.


  Fulltext PDF

Amir Eghbali and Håkan Johansson
  Reconfigurable two-stage Nyquist filters utilizing the Farrow structure
  IEEE Int. Symp. Circuits Syst., 2012.


  Fulltext PDF

Anu Kalidas Muralidharan Pillai and 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), 2012.


  Fulltext PDF

Amir Eghbali, Håkan Johansson and Tapio Saramäki
  A new structure for reconfigurable two-stage Nyquist pulse shaping filters
  Circuits and Systems (MWSCAS), 2011, 2011.


Zaka Ullah Sheikh, Amir Eghbali and Håkan Johansson
  Linear-Phase FIR Digital Differentiator Order Estimation
  Proceedings of The 20th European Conference on Circuit Theory and Design, ECCTD2011, 2011.


Amir Eghbali, Håkan Johansson, Tapio Saramäki and Per Löwenborg
  On the design of adjustable fractional delay FIR filters using digital differentiators
  <em>Proc. IEEE Int. Conf. Green Circuits Syst.</em>, 2010.


Amir Eghbali, Håkan Johansson and Per Löwenborg
  Reconfigurable nonuniform transmultiplexers based on uniform filter banks
  Proc. IEEE Int. Symp. Circuits Syst., Paris, France, May 30-June 2, 2010, 2010.


Zaka Ullah Sheikh and 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., 2009.


Muhammad Abbas, Oscar Gustafsson and Håkan Johansson
  Scaling of fractional delay filters based on the Farrow structure
  Proceedings of IEEE International Symposium on Circuits and Systems, 2009. ISCAS 2009, 2009.


 Web of Science® Times Cited: 1

Amir Eghbali, Håkan Johansson and Per Löwenborg
  On the filter design for a class of multimode transmultiplexers
  Proceedings - IEEE International Symposium on Circuits and Systems, 2009.


 Web of Science® Times Cited: 2

Håkan Johansson
  On the Compensation of Frequency-Response Mismatch Errors in Time-Interleaved ADCs
  International Conference Microelectronics (ICM 2008), 2008.


Muhammad Abbas, Fahad Qureshi, Zaka Ullah Sheikh, Oscar Gustafsson, Håkan Johansson and Kenny Johansson
  Comparison of Multiplierless Implementation of Nonlinear-Phase Versus Linear-Phase FIR filters
  42ND ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, ISSN 1058-6393, 2008.


Amir Eghbali, Håkan Johansson and Per Löwenborg
  A farrow-structure-based multi-mode transmultiplexer
  Proceedings of IEEE International Symposium on Circuits and Systems: Seattle, Washington, USA, May. 18-21, 2008, 2008.


 Web of Science® Times Cited: 5  Fulltext PDF

Amir Eghbali, Håkan Johansson and 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, 2007.


Amir Eghbali, Håkan Johansson and Per Löwenborg
  Flexible frequency-band reallocation MIMO networks for real signals
  Proc. Int. Symp. Image, Signal Processing, Analysis, Istanbul, Turkey, Sept. 27-29, 2007, 2007.


Amir Eghbali, Håkan Johansson and 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, 2007.


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


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


 Web of Science® Times Cited: 11

Håkan Johansson, Oscar Gustafsson, Kenny Johansson and Lars Wanhammar
  Adjustable fractional-delay FIR filters using the Farrow structure and multirate techniques
  Asia Pacific Conference on Circuits and Systems,2006, 2006.


Mattias Olsson, Håkan Johansson and Per Löwenborg
  Time-delay estimation using Farrow-based fractional-delay FIR filters: Approximation vs. estimation errors
  European Signal Processing Conference,2006, 2006.


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


Oscar Gustafsson, Kenny Johansson, Håkan Johansson and 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, 2006.


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


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


Anton Blad, Christer Svensson, Håkan Johansson and Stefan Andersson
  An RF sampling radio frontend based on sigmadelta-conversion.
  24th Norchip Conference,2006, 2006.


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


Anton Blad, Håkan Johansson and 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, 2006.


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


Mattias Olsson, Håkan Johansson and Per Löwenborg
  Delay Estimation Using Adjustable Fractional Delay All-Pass Filters
  Nordic Signal Processing Symposium,2006, 2006.


Christian Vogel and Håkan Johansson
  Time-interleaved analog-to-digital converters: Status and future directions
  IEEE International Symposium on Circuits and Systems,2006, 2006.


Håkan Johansson, Per Löwenborg and 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.


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


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


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


Håkan Johansson and 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, 2005.


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


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


Håkan Johansson and Oscar Gustavsson
  Mth-band linear-phase FIR filter interpolators and decimators utilizing the Farrow structure
  IEEE Int. Symp. Circuits Syst,2004, 2004.


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


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


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


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


Henrik Ohlsson, Behzad Mesgarzadeh, Kenny Johansson, Oscar Gustafsson, Per Löwenborg, Håkan Johansson and Atila Alvandpour
  A 16 GSPS 0.18 µm CMOS decimator for single-bit ∑∆-modulation.
  Norchip,2004, 2004.


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


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


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


Baharak Soltanian, Tapio Saramäki and 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, 2003.


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


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


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


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, 2002.


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


Linnea Rosenbaum and Håkan Johansson
  Frequency response masking FIR filters with short delay
  International Symposium on Circuits on Systems,2002, 2002.


Håkan Johansson
  Multirate approximately linear-phase IIR filter structures for arbitrary bandwidths
  International Symposium on Circuits and Systems,2002, 2002.


Linnea Rosenbaum, Per Löwenborg and 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 and Lars Wanhammar
  First-order sensitivity of constant-resistance analog filters with application fo filter banks
  IEEE Nordic Signal Processing Symposium,2002, 2002.


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


Per Löwenborg and 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.


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


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


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


Håkan Johansson and Per Löwenborg
  Reconstruction of a class of nonuniformly sampled and decimated bandlimited signals
  IEEE International Symposium on Circuits and Systems,2002, 2002.


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


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


Elizabeth Elias, Per Löwenborg, Håkan Johansson and Lars Wanhammar
  Two-channel IIR/FIR filter banks with very low-complexity analysis or synthesis filters: finite wordlength effects
  IEEE Midwest Symposium on Circuits and Systems,2001, 2001.


Per Löwenborg, Håkan Johansson and Lars Wanhammar
  Analysis of gain and time-skew errors in filter bank based A/D converters
  IEEE Midwest Symposium on Circuits and Systems,2001, 2001.


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


Håkan Johansson and Per Löwenborg
  Reconstruction of nonuniformly sampled bandlimited signals using digital fractional delay filters: Error and quantization noise analysis
  European Conference on Circuits Theory and Design,2001, 2001.


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


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


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


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


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


Håkan Johansson
  On high-speed recursive digital filters
  European Signal Processing Conference,2000, 2000.


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


Henrik Ohlsson, Håkan Johansson and Lars Wanhammar
  Design of a digital down converter using high speed digital filters
  Gigahertz Symposium,2000, 2000.


Håkan Johansson
  New classes of frequency-response masking FIR filters
  International symposium on circuits and systems,2000, 2000.


Elizabeth Elias, Per Löwenborg, Håkan Johansson and 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, 2000.


Per Löwenborg, Håkan Johansson and Lars Wanhammar
  A class of two-channel IIR/FIR filter banks
  European Signal Processing Conference,2000, 2000.


Per Löwenborg, Håkan Johansson and Lars Wanhammar
  Two-channel hybrid analog/digital filter banks with alias-free subbands
  IEEE Midwest Symposium on Circuits and Systems,2000, 2000.


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


Per Löwenborg, Håkan Johansson and Lars Wanhammar
  A two-channel hybrid analog and IIR digital filter bank approximating perfect reconstruction
  IEEE Nordic Signal Processing Symposium,2000, 2000.


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


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, 1999.


Håkan Johansson and Lars Wanhammar
  High-speed recursive digital filters based on frequency masking techniques
  National Conf. Radio Science RVK,1999, 1999.


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


Håkan Johansson
  Multirate single-stage and multistage structures for high-speed recursive digital filtering
  International symposium on circuits and systems,1999, 1999.


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


Håkan Johansson and Tapio Saramäki
  A class of complementary IIR filters
  International symposium on circuits and systems,1999, 1999.


Per Löwenborg, Håkan Johansson and 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, 1999.


Per Löwenborg, Håkan Johansson and 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.


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


Mark Vesterbacka, Håkan Johansson, Kent Palmkvist and Lars Wanhammar
  Implementation of narrow-band lattice wave digital filters
  Proc. 1998 IEEE Nordic Signal Processing Symp., NORSIG'98, 1998.


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


Ph.D. Theses

Muhammad Abbas
  On the Implementation of Integer and Non-Integer Sampling Rate Conversion
  2012.


  Fulltext PDF

Zaka Ullah Sheikh
  Efficient Realizations of Wide-Band and Reconfigurable FIR Systems
  2012.


  Fulltext PDF

Amir Eghbali
  Contributions to Reconfigurable Filter Banks and Transmultiplexers
  2010.


  Fulltext PDF

Mattias Olsson
  Contributions to Delay, Gain, and Offset Estimation
  2008.


  Fulltext PDF

Linnea Rosenbaum
  On low-complexity frequency selective digital filters and filter banks
  2007.


  Fulltext PDF

Licentiate Theses

Amir Eghbali
  Contributions to Flexible Multirate Digital Signal Processing Structures
  2009.


  Fulltext PDF

Mattias Olsson
  Contributions to Frequency Offset and Time Delay Estimation
  2006.


  Fulltext PDF

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