Responsible for this page: Oscar Gustafsson , oscarg@isy.liu.se
Page last update: 2011-10-25
Oscar Gustafsson's list of publications
Theses
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O. Gustafsson, Architectures for Galois Field Arithmetics, LiTH-ISY-Ex-1725, Linköping University, Linköping, Sweden, Apr. 1998.
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O. Gustafsson, On Mapping of Digital Filter Algorithms to Hardware, Linköping Studies in Science and Technology, Thesis No. 838, Linköping University, Sweden, June 2000.
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O. Gustafsson, Contributions to Low-Complexity Digital Filters, Linköping Studies in Science and Technology, Dissertations, No. 837, Linköping University, Sweden, Sept. 2003.
Book Chapters
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O. Gustafsson and L. Wanhammar,
"Arithmetic," in Handbook of Signal Processing Systems,
Springer, 2010.
- O. Gustafsson and L. Wanhammar, "Low-complexity and high-speed constant multiplications for digital filters using carry-save arithmetic" in Digital Filters, Intech, 2011.
Journal Papers
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O. Gustafsson, H. Johansson, and L. Wanhammar, "Single filter frequency masking high-speed recursive digitals filters," Circuits, Systems, and Signal Processing, vol. 22, no. 2, pp. 219-238, 2003.
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O. Gustafsson, H. Johansson, and L. Wanhammar, "Single filter frequency-response masking FIR filters," Journal Circuits, Systems, and Computers. vol. 12, no. 5, pp. 601-630, Oct. 2003.
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O. Gustafsson, "Graph-based code word selection for memoryless low power bus coding," IEE Electronics Letters, vol. 40, no. 24, pp. 1531-1532, 25 Nov. 2004.
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H. Johansson and O. Gustafsson, "Interpolation, decimation, and Mth-band linear-phase FIR filters utilizing the Farrow structure," IEEE Trans. Circuits Syst.-I, vol. 52, no. 10, pp. 2197-2207, Oct. 2005.
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O. Gustafsson, A. G. Dempster, K. Johansson, M. D. Macleod, and L. Wanhammar, "Simplified design of constant coefficient multipliers," Circuits, Systems and Signal Processing, vol. 25, no. 2, pp. 225-251, Apr. 2006.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Multiple constant multiplication for digit-serial implementation of low power FIR filters," WSEAS Trans. Circuits Syst., vol. 5, no. 7, pp. 1001-1008, July 2006.
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A. Blad and O. Gustafsson, "Energy-efficient data representation in LDPC decoders," IET Electronics Letters, vol. 42, no. 18, pp. 1051-1052, 31 Aug. 2006.
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O. Gustafsson, "Lower bounds for constant multiplication problems," IEEE Trans. Circuits Syst.-II, vol. 54, no. 11, pp. 974-978, Nov. 2007.
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O. Gustafsson, "Comments on `A 70 MHz multiplierless FIR Hilbert transformer in 0.35 μm standard CMOS library'," IEICE Trans. Fundamentals, vol. E91-A, no. 3, Mar. 2008.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Implementation of elementary functions for logarithmic number systems," IET Computers and Digital Techniques, vol. 2, no. 4, pp. 295-304, July 2008.
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A. Blad and O. Gustafsson, "Integer linear programming-based bit-level optimization for high-speed FIR decimation filter architectures," Circuits, Systems, and Signal Processing, vol. 29, no. 1, pp. 81-101, Feb. 2010.
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O. Gustafsson and F. Qureshi,
"Addition aware quantization for low complexity and high
precision constant multiplication," IEEE Signal Processing
Letters, vol. 17, no. 2, pp. 173-176, Feb. 2010.
- M. Faust, O. Gustafsson, and C.-H. Chang, "Fast and VLSI efficient
binary-to-CSD encoder using bypass signal," Electronics Letters,
vol. 47, no. 1, Jan. 6, 2011.
- E. G. Larsson and O. Gustafsson, "The impact of dynamic voltage and frequency scaling on multicore DSP algorithm design," IEEE Signal Processing Mag, vol. 28, no. 3, pp. 127144, May 2011.
- S. Athar, O. Gustafsson, F. Qureshi and I. Kale, "On the efficient
computation of single-bit input word length pipelined FFTs," IEICE
Electronics Express, vol. 8, no. 17, Sept. 10, 2011.
- M. Garrido, O. Gustafsson, and J. Grajal, "Accurate rotations based on coefficient scaling," IEEE Trans. Circuits Syst. II - Express Briefs, vol. 58, no. 10, pp. 662-666, Oct. 2011.
- M. Garrido, J. Grajal, and O. Gustafsson, "Optimum circuits for bit reversal," IEEE Trans. Circuits Syst. II - Express Briefs, vol. 58, no. 10, pp. 657-661, Oct. 2011.
- F. Qureshi and O. Gustafsson, "Low-complexity constant multiplication based on trigonometric identities with applications to FFTs," IEICE Trans. Fund., vol. E94-A, no. 11, Nov. 2011.
- Z. U. Sheikh, and O. Gustafsson, "Linear Programming Design of
Coefficient Decimation FIR Filters", IEEE Trans. Circuits Syst. II, accepted.
International Conference Papers
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O. Gustafsson, "A digit-serial polynomial basis GF(2^m) multiplier," in Proc. Nordic Signal Processing Symp., Hanstholm, Denmark, June 8-11, 1998.
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O. Gustafsson and L. Wanhammar, "Implementation of maximally fast ladder wave digital filters using a numerically equivalent state-space representation," in Proc. IEEE Int. Symp. Circuits Syst., Orlando, Florida, May 30-June 2, 1999, vol. 3, pp. 419-422.
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O. Gustafsson and L. Wanhammar, "Maximally fast scheduling of bit-serial lattice wave digital filters using constrained third-order sections," in Proc. IEEE Int. Conf. Electronics Circuits Syst., Paphos, Cyprus, Sept. 1999, pp. 729-732.
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O. Gustafsson, H. Johansson, and L. Wanhammar, "Design and efficient implementation of high-speed narrow-band recursive digital filters using single filter frequency masking techniques," in Proc. IEEE Int. Symp. Circuits Syst., Geneva, Switzerland, May 28-31, 2000, pp. 359-362.
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O. Gustafsson and L. Wanhammar, "Maximally fast numerically equivalent state-space recursive digital filters using distributed arithmetic," in Proc. Nordic Signal Processing Symp., Kolmården, Sweden, June 13-15, 2000, pp. 227-230.
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O. Gustafsson and L. Wanhammar, "Maximally fast scheduling of bit-serial lattice wave digital filters using three-port adaptor allpass sections," in Proc. Nordic Signal Processing Symp., Kolmården, Sweden, June 13-15, 2000, pp. 441-444.
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O. Gustafsson, H. Johansson, and L. Wanhammar, "Design and efficient implementation of narrow-band single frequency masking FIR filters," in Proc. X European Signal Processing Conf., Tampere, Finland, Sept. 2000, pp. 259-262.
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O. Gustafsson, H. Johansson, and L. Wanhammar, "Design and efficient implementation of single filter frequency-response masking FIR filters," in Proc. IEEE Int. Symp. Intelligent Signal Processing Communication Syst., Honolulu, Hawaii, Nov. 5-8, 2000, pp. 135-140.
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O. Gustafsson, H. Ohlsson, and L. Wanhammar, "Minimum-adder integer multipliers using carry-save adders," in Proc. IEEE Int. Symp. Circuits Syst., Sydney, Australia, May 6-9, 2001, vol. 2, pp. 709-712.
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H. Ohlsson, O. Gustafsson, and L. Wanhammar, "Arithmetic transformations for increased maximal sample rate of bit-parallel bireciprocal lattice wave digital filters," in Proc. IEEE Int. Symp. Circuits Syst., Sydney, Australia, May 6-9, 2001, vol. 2, pp. 825-828.
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O. Gustafsson, H. Johansson, and L. Wanhammar, "Narrow-band and wide-band single filter frequency masking FIR filters," in Proc. IEEE Int. Symp. Circuits Syst., Sydney, Australia, May 6-9, 2001, vol. 2, pp. 181-184.
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O. Gustafsson, H. Johansson, and L. Wanhammar, "Narrow-band and wide-band high-speed recursive digital filters using single filter frequency masking techniques," in Proc. Int. Symp. Signal Processing Appl., Kuala Lumpur, Malaysia, Aug. 13-16, 2001, vol. 1, pp. 36-39.
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O. Gustafsson, H. Johansson, and L. Wanhammar, "An MILP approach for the design of linear-phase FIR filters with minimum number of signed-power-of-two terms," in Proc. European Conf. Circuit Theory Design, Espoo, Finland, Aug. 28-31, 2001.
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O. Gustafsson and L. Wanhammar, "Decreasing the minimal sample period for recursive filters implemented using distributed arithmetic," in Proc. IEEE Int. Conf. Electronics Circuits Syst., Malta, Sept. 2-5, 2001, vol. 1, pp. 59-62.
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H. Ohlsson, O. Gustafsson, H. Johansson, and L. Wanhammar, "Implementation of bit-parallel lattice wave digital filters with increased maximal sample rate," in Proc. IEEE Int. Conf. Electronics Circuits Syst., Malta, Sept. 2-5, 2001, vol. 1, pp. 71-74.
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H. Ohlsson, O. Gustafsson, M. Vesterbacka, and L. Wanhammar, "A study on pipeline-interleaved digital filters for low power," in Proc. IEEE NorChip Conf., Kista, Sweden, Nov. 12-13, 2001, pp. 93-98.
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O. Gustafsson, A. G. Dempster, and L. Wanhammar, "Extended results for minimum-adder constant integer multipliers," in Proc. IEEE Int. Symp. Circuits Syst., Scottsdale, AZ, May 26-29, 2002, vol. 1, pp. 73-76.
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O. Gustafsson and L. Wanhammar, "Design of linear-phase FIR filters combining subexpression sharing with MILP," in Proc. IEEE Midwest Symp. Circuits Syst., Tulsa, OK, Aug. 4-7, 2002, vol. 3, pp. 9-12.
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O. Gustafsson and L. Wanhammar, "A novel approach to multiple constant multiplication using minimum spanning trees," in Proc. IEEE Midwest Symp. Circuits Syst., Tulsa, OK, Aug. 4-7, 2002, vol. 3, pp. 652-655.
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O. Gustafsson and L. Wanhammar, "Bit-level pipelinable general and fixed coefficient digit-serial/parallel multipliers based on shift-accumulation," in Proc. IEEE Int. Conf. Electronics Circuits Syst., Dubrovnik, Croatia, Sept. 15-18, 2002, vol. 2, pp. 493-496.
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O. Gustafsson and L. Wanhammar, "ILP modelling of the common subexpression sharing problem," in Proc. IEEE Int. Conf. Electronics Circuits Syst., Dubrovnik, Croatia, Sept. 15-18, 2002, vol. 3, pp. 1171-1174.
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O. Gustafsson and L. Wanhammar, "Design of linear-phase FIR filters with minimum Hamming distance," in Proc. IEEE Nordic Signal Processing Symp., Hurtigruten, Norway, Oct. 4-7, 2002.
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A. G. Dempster, O. Gustafsson, and J. O. Coleman, "Towards an algorithm for matrix multiplier blocks," in Proc. European Conf. Circuit Theory Design, Kraków, Poland, Sept. 1-4, 2003, vol. 3, pp. 9-12.
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O. Gustafsson, H. Ohlsson, M. Mohsen, and L. Wanhammar, "Implementation of high-speed single filter frequency-response masking recursive filters," in Proc. IEEE NorChip Conf., Riga, Latvia, Nov. 10-11, 2003, pp. 260-263.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Switching activity in bit-serial constant coefficient serial/parallel multipliers," in Proc. IEEE NorChip Conf., Riga, Latvia, Nov. 10-11, 2003, pp. 291-294.
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O. Gustafsson, H. Johansson, and L. Wanhammar, "MILP design of frequency-response masking FIR filters with few SPT terms," in Proc. Int. Symp. Control Communications Signal Processing, Hammamet, Tunisia, March 21-24, 2004, pp. 405-408.
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K. Johansson, O. Gustafsson, A. G. Dempster, and L. Wanhammar, "Algorithm to reduce the number of shifts and additions in multiplier blocks using serial arithmetic," in Proc. IEEE Mediterranean Electrotechnical Conf., Dubrovnik, Croatia, May 12-15, 2004.
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H. Ohlsson, O. Gustafsson, and L. Wanhammar, "Implementation of low-complexity FIR filters using a minimum spanning tree," in Proc. IEEE Mediterranean Electrotechnical Conf., Dubrovnik, Croatia, May 12-15, 2004, pp. 261-264.
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H. Johansson and O. Gustafsson, "Mth-band linear-phase FIR filter interpolators and decimators utilizing the Farrow structure," in Proc. IEEE Int. Symp. Circuits Syst., Vancouver, Canada, May 23-26, 2004, vol. 3, pp. 129-132.
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O. Gustafsson, A. G. Dempster, and L. Wanhammar, "Multiplier blocks using carry-save adders," in Proc. IEEE Int. Symp. Circuits Syst., Vancouver, Canada, May 23-26, 2004, vol. 2, pp. 473-476.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Low-complexity bit-serial constant-coefficient multipliers," in Proc. IEEE Int. Symp. Circuits Syst., Vancouver, Canada, May 23-26, 2004, vol. 3, pp. 649-652.
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H. Ohlsson, O. Gustafsson, and L. Wanhammar, "A shifted permuted difference coefficient method," in Proc. IEEE Int. Symp. Circuits Syst., Vancouver, Canada, May 23-26, 2004, vol. 3, pp. 161-164.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Switching activity in bit-serial constant coefficient multipliers," in Proc. IEEE Int. Symp. Circuits Syst., Vancouver, Canada, May 23-26, 2004, vol. 2, pp. 469-472.
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O. Gustafsson and A. G. Dempster, "On the use of multiple constant multiplication in polyphase FIR filters and filter banks," in Proc. Nordic Signal Processing Symp., Espoo, Finland, June 9-11, 2004, pp. 53-56.
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K. Landernäs, J. Holmberg, and O. Gustafsson, "Implementation of bit-level pipelined digit-serial multipliers," in Proc. Nordic Signal Processing Symp., Espoo, Finland, June 9-11, 2004, pp. 125-128.
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T. Lindkvist, J. Löfvenberg, and O. Gustafsson, "Deep sub-micron bus invert coding," in Proc. Nordic Signal Processing Symp., Espoo, Finland, June 9-11, 2004, pp. 133-136.
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O. Gustafsson, H. Ohlsson, and L. Wanhammar, "Low-complexity constant coefficient matrix multiplication using a minimum spanning tree approach," in Proc. Nordic Signal Processing Symp., Espoo, Finland, June 9-11, 2004, pp. 141-144.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Power estimation for ripple-carry adders with correlated input data," in Proc. Int. Workshop Power Timing Modeling, Optimization, Simulation, Santorini, Greece, Sept. 15-17, 2004.
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O. Gustafsson, H. Ohlsson, and L. Wanhammar, "Improved multiple constant multiplication using minimum spanning trees," in Proc. Asilomar Conf. Signals, Syst., Comp., Pacific Grove, CA, Nov. 7-10, 2004, pp. 63-66.
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A. G. Dempster, M. D. Macleod, and O. Gustafsson, "Comparison of graphical and sub-expression elimination methods for design of efficient multipliers," in Proc. Asilomar Conf. Signals, Syst., Comp., Pacific Grove, CA, Nov. 7-10, 2004, pp. 72-76.
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O. Gustafsson, J. O. Coleman, A. G. Dempster, and M. D. Macleod, "Low-complexity hybrid form FIR filters using matrix multiple constant multiplication," in Proc. Asilomar Conf. Signals, Syst., Comp., Pacific Grove, CA, Nov. 7-10, 2004, pp. 77-80.
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A. Åslund, O. Gustafsson, H. Ohlsson, and L. Wanhammar, "Power analysis of high throughput pipelined carry-propagation adders," in Proc. IEEE Norchip Conf., Oslo, Norway, Nov. 8-9, 2004, pp. 139-142.
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H. Ohlsson, B. Mesgarzadeh, K. Johansson, O. Gustafsson, P. Löwenborg, H. Johansson, and A. Alvandpour, "A 16 GSPS 0.18 μm CMOS decimator for single-bit ΣΔ-modulation," in Proc. IEEE Norchip Conf., Oslo, Norway, Nov. 8-9, 2004, pp. 175-178.
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O. Gustafsson and H. Ohlsson, "A low power decimation filter architecture for high-speed single-bit sigma-delta modulation," in Proc. IEEE Int. Symp. Circuits Syst., Kobe, Japan, May 23-26, 2005, pp. 1453-1456.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Implementation of low-complexity FIR filters using serial arithmetic," in Proc. IEEE Int. Symp. Circuits Syst., Kobe, Japan, May 23-26, 2005, pp. 1449-1452.
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L. Wanhammar, K. Johansson, and O. Gustafsson, "Efficient computation of sine and cosine using a weighted sum of bit-products," in Proc. European Conf. Circuit Theory Design, Cork, Ireland, Aug. 29-Sept. 1, 2005.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "A detailed complexity model for multiple constant multiplication and an algorithm to minimize the complexity," in Proc. European Conf. Circuit Theory Design, Cork, Ireland, Aug. 29-Sept. 1, 2005.
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A. Blad, O. Gustafsson, and L. Wanhammar, "An early decision decoding algorithm for LDPC codes using dynamic thresholds," in Proc. European Conf. Circuit Theory Design, Cork, Ireland, Aug. 29-Sept. 1, 2005.
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A. Blad, O. Gustafsson, and L. Wanhammar, "A hybrid early decision-probability propagation decoding algorithm for low-density partiy-check codes," in Proc. Asilomar Conf. Signals, Syst., Comp., Pacific Grove, CA, Oct. 30-Nov. 2, 2005, pp. 586-590.
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O. Gustafsson, K. Johansson, and L. Wanhammar, "Optimization and quantization effects for sine and cosine computation using a sum of bitproducts," in Proc. Asilomar Conf. Signals, Syst., Comp., Pacific Grove, CA, Oct. 30-Nov. 2, 2005, pp. 1347-1351.
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A. Blad, O. Gustafsson, and L. Wanhammar, "Implementation aspects of an early decision decoder for LDPC codes," in Proc. IEEE Norchip Conf., Oulu, Finland, Nov. 21-22, 2005.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Low power architectures for sine and cosine computation using a sum of bit-products," in Proc. IEEE Norchip Conf., Oulu, Finland, Nov. 21-22, 2005.
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E. Backenius, E. Säll, and O. Gustafsson, "Bidirectional conversion to minimum signed-digit representation," IEEE Int. Symp. Circuits Syst., Kos Island, Greece, May 21-24, 2006.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Approximation of elementary functions using a weighted sum of bit-products," IEEE Int. Symp. Circuits Syst., Kos Island, Greece, May 21-24, 2006.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Trade-offs in multiplier block algorithms for low power digit-serial FIR filters," in Proc. WSEAS Int. Conf. Circuits, Vouliagmeni, Greece, July 10-12, 2006.
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O. Gustafsson and K. Johansson, "Multiplierless piecewise linear approximation of elementary functions," in Proc. Asilomar Conf. Signals, Syst., Comp., Pacific Grove, CA, Oct. 29-Nov. 1, 2006, pp. 1678-1681.
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O. Gustafsson and H. Johansson "Efficient implementation of FIR filter based rational sampling rate converters using constant matrix multiplication," in Proc. Asilomar Conf. Signals, Syst., Comp., Pacific Grove, CA, Oct. 29-Nov. 1, 2006, pp. 888-891.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Conversion and addition in logarithmic number systems using a sum of bit-products," in Proc. IEEE Norchip Conf., Linköping, Sweden, Nov. 20-21, 2006, pp. 39-42.
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K. Holm and O. Gustafsson, "'Low-complexity and low-power color space conversion for digital video," in Proc. IEEE Norchip Conf., Linköping, Sweden, Nov. 20-21, 2006, pp. 179-182.
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O. Gustafsson and H. Johansson, "Complexity comparison of linear-phase half-band and general FIR filters," Asia-Pacific Conf. Circuits Syst., Singapore, Dec. 4-7, 2006.
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H. Johansson, O. Gustafsson, K. Johansson, and L. Wanhammar, "Adjustable fractional-delay FIR filters using the Farrow structure and multirate techniques," Asia-Pacific Conf. Circuits Syst., Singapore, Dec. 4-7, 2006, pp. 1055-1058.
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O. Gustafsson, K. Johansson, H. Johansson, and L. Wanhammar, "Implementation of polyphase decomposed FIR filters for interpolation and decimation using multiple constant multiplication techniques," Asia-Pacific Conf. Circuits Syst., Singapore, Dec. 4-7, 2006, pp. .924-927.
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S. Tahmasbi Oskuii, P. G. Kjeldsberg, and O. Gustafsson, "Transition-activity aware design of reduction-stages for parallel multipliers," Great Lakes Symp. on VLSI, Stresa-Lago Maggiore, Italy, March 11-13, 2007.
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O. Gustafsson and H. Johansson, "Complexity comparison of linear-phase Mth-band and general FIR filters," IEEE Int. Symp. Circuits Syst., New Orleans, LA, May 27-30, 2007, pp. 2335-2338.
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O. Gustafsson, "A difference based adder graph heuristic for multiple constant multiplication problems," IEEE Int. Symp. Circuits Syst., New Orleans, LA, May 27-30, 2007, pp. 1097-1100.
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O. Gustafsson and M. Olofsson, "Complexity reduction of constant matrix computations over the binary field," in Proc. Int. Workshop on the Arithmetic of Finite Fields, Madrid, Spain, June 21-22, 2007, pp. 103-115.
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O. Gustafsson, S. Tahmasbi Oskuii, K. Johansson, and P. G. Kjeldsberg, "Switching activity reduction of MAC-based FIR filters with correlated input data," in Proc. Int. Workshop Power Timing Modeling, Optimization, Simulation, Göteborg, Sweden, Sept. 3-5, 2007, pp. 526-535.
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A. Eghbali, O. Gustafsson, H. Johansson, and P. Löwenborg, "On the complexity of multiplierless direct and polyphase FIR filter structures," International Symposium on Image and Signal Processing and Analysis, Istanbul, Turkey, Sept. 27-29, 2007, pp. 200-205.
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L. Wanhammar, B. Soltanian, K. Johansson, and O. Gustafsson, "Synthesis of circulator-tree wave digital filters," International Symposium on Image and Signal Processing and Analysis, Istanbul, Turkey, Sept. 27-29, 2007, pp. 206-211.
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O. Gustafsson and L. Wanhammar, "Low-complexity constant multiplication using carry-save arithmetic for high-speed digital filters," International Symposium on Image and Signal Processing and Analysis, Istanbul, Turkey, Sept. 27-29, 2007, pp. 212-217.
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O. Gustafsson, L. S. DeBrunner, V. DeBrunner, and H. Johansson, "On the design of sparse half-band like FIR filters," Asilomar Conf. Signals Syst. Comp., Pacific Grove, CA, Nov. 4-7, 2007.
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S. Tahmasbi Oskuii, P. G. Kjeldsberg, and O. Gustafsson, "A method for power optimized partial product reduction in parallel multipliers," IEEE Norchip Conf., Aalborg, Denmark, Nov. 19-20, 2007.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Bit-level optimization of shift-and-add based FIR filters" IEEE Int. Conf. Elec. Circuits Syst., Marrakesh, Morocco, Dec. 11-14, 2007.
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U. Meyer-Baese, O. Gustafsson, and
A. Dempster, "A canonical minimised adder graph
representation" in Proceedings SPIE, April 2008.
- S. Tahmasbi Oskuii, K. Johansson, O. Gustafsson, and P. G. Kjeldsberg, "Power optimization of weighted bit-product summation tree for elementary function generator," IEEE Int. Symp. Circuits Syst., Seattle, WA, May 18-21, 2008.
- K. Johansson, O. Gustafsson, and L. Wanhammar, "Switching activity estimation for shift-and-add based constant multipliers," IEEE Int. Symp. Circuits Syst., Seattle, WA, May 18-21, 2008.
- A. Blad and O. Gustafsson, "Bit-level optimized high-speed architectures for decimation filter applications," IEEE Int. Symp. Circuits Syst., Seattle, WA, May 18-21, 2008.
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L. Wanhammar, B. Soltanian, O. Gustafsson, and K. Johansson, "Synthesis of bandpass circulator-tree wave digital filters," in Proc. IEEE Int. Conf. Elec. Circ. Syst,., St. Julians, Malta, Aug. 31-Sept. 3, 2008.
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M. Abbas, F. Qureshi, Z. Sheikh, O. Gustafsson, H. Johansson, and K. Johansson, "Comparison of multiplierless implementation of nonlinear-phase versus linear-phase FIR filters," in Proc. Asilomar Conf. Signals Syst. Comp., Pacific Grove, CA, Oct. 26-29, 2008.
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E. Lindahl and O. Gustafsson, "Architecture-aware design of a decimation filter based on a dual wordlength multiply-accumulate unit," in Proc. Asilomar Conf. Signals Syst. Comp., Pacific Grove, CA, Oct. 26-29, 2008.
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O. Gustafsson, "Towards optimal multiple constant multiplication: a hypergraph approach," in Proc. Asilomar Conf. Signals Syst. Comp., Pacific Grove, CA, Oct. 26-29, 2008.
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O. Gustafsson and K. Johansson, "An empirical study on standard cell synthesis of elementary function look-up tables," in Proc. Asilomar Conf. Signals Syst. Comp., Pacific Grove, CA, Oct. 26-29, 2008.
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A. Havashki, L. Lundheim, P. G. Kjeldsberg, O. Gustafsson, and G. E. Øien, "Analysis of switching activity in DSP signals in the presence of noise," IEEE Eurocon, St. Petersburg, Russia, May 18-23, 2009.
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F. Qureshi and O. Gustafsson, "Low-complexity reconfigurable complex constant multiplication for FFTs," IEEE Int. Symp. Circuits Syst., Taipei, Taiwan, May 24-27, 2009.
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M. Abbas, O. Gustafsson, and H. Johansson, "Scaling of fractional delay filters based on the Farrow structure," IEEE Int. Symp. Circuits Syst., Taipei, Taiwan, May 24-27, 2009.
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K. Johansson, O. Gustafsson, and L. DeBrunner, "Estimation of the Switching Activity in Shift-and-Add Based Computations," IEEE Int. Symp. Circuits Syst., Taipei, Taiwan, May 24-27, 2009.
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F. Qureshi and O. Gustafsson, "Analysis of Twiddle Factor Memory Complexity of Radix-2^i Pipelined FFTs," Asilomar Conf. Signals Syst. Comp., Pacific Grove, CA, Nov. 1-4, 2009.
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O. Gustafsson and K. Johansson, "Techniques for Avoiding Sign-Extension in Multiple Constant Multiplication," Asilomar Conf. Signals Syst. Comp., Pacific Grove, CA, Nov. 1-4, 2009.
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K. Johansson, L. S. DeBrunner, O. Gustafsson, and V. DeBrunner, "Design of Multiplierless FIR Filters with an Adder Depth Versus Filter Order Trade-Off," Asilomar Conf. Signals Syst. Comp., Pacific Grove, CA, Nov. 1-4, 2009.
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F. Quereshi and O. Gustafsson, "Twiddle factor memory switching activity analysis of radix-22 and equivalent FFT algorithms," IEEE Int. Symp. Circuits Syst., Paris, France, May 30-June 2, 2010.
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A. Blad and O. Gustafsson, "Redundancy reduction for high-speed FIR filter architectures based on carry-save adder trees," IEEE Int. Symp. Circuits Syst., Paris, France, May 30-June 2, 2010.
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O. Gustafsson, K. Amiri, D. Andersson, A. Blad, C. Bonnet, J. R. Cavallaro, J. Declerckz, A. Dejonghe, P. Eliardsson, M. Glasse, A. Hayar, L. Hollevoet, C. Hunter, M. Joshi, F. Kaltenberger, R. Knopp, K. Le, Z. Miljanic, P. Murphy, F. Naessens, N. Nikaein, D. Nussbaum, R. Pacalet, P. Raghavan, A. Sabharwal, O. Sarode, P. Spasojevic, Y. Sun, H. M. Tullberg, T. Vander Aa, L. Van der Perre, M. Wetterwald, and M. Wu, "Architectures for cognitive radio testbeds and demonstrators - An overview," Int. Conf. Cognitive Radio Oriented Wireless Networks Comm., Cannes, France, June 9-11, 2010.
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Z. U. Sheikh, O. Gustafsson, and L. Wanhammar, "Design of sparse non-periodic narrow-band and wide-band FRM-like FIR filters," IEEE Int. Conf. Green Circuits Syst., Shanghai, China, June 21-23, 2010.
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M. Abbas, O. Gustafsson, and L. Wanhammar, "Power estimation of recursive and non-recursive CIC filters implemented in deep-submicron technology," IEEE Int. Conf. Green Circuits Syst., Shanghai, China, June 21-23, 2010.
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O. Gustafsson, K. Khursheed, M. Imran, and
L. Wanhammar, "Generalized overlapping digit patterns for
multi-dimensional sub-expression sharing," IEEE Int. Conf. Green
Circuits Syst., Shanghai, China, June 21-23, 2010.
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Z. U. Sheikh and O. Gustafsson, "Design of narrow-band and wide-band frequency response masking filters using sparse non-periodic sub-filters," European Signal Processing Conf., Aalborg, Denmark, Aug. 23-27, 2010.
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A. Blad, O. Gustafsson, M. Zheng, and Z. Fei, "Integer linear programming based optimization of puncturing sequences for quasi-cyclic low-density parity-check codes" in Proc. Int. Symp. Turbo Codes & Iterative Inf. Processing, Brest, France, Sept. 6-10, 2010.
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M. Imran, K. Khursheed, M. O'Nils, and O. Gustafsson, "On the number representation in sub-expression sharing," in Proc. Int. Conf. Signal Elec. Syst., Gliwice, Poland, Sept. 7-10, 2010.
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M. Abbas and O. Gustafsson, "Switching activity estimation of CIC filter integrators," in Proc. PrimeAsia, Shanghai, China, Sept. 22-24, 2010.
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F. Qureshi, S. A. Alam, and O. Gustafsson, "4k-point FFT algorithms based on optimized twiddle factor multiplication for FPGAs," in Proc. PrimeAsia, Shanghai, China, Sept. 22-24, 2010.
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A. Blad, O. Gustafsson, M. Zheng, and Z. Fei, "Rate-compatible LDPC code decoder using check-node merging," in Proc. Asilomar Conf. Signals, Syst. Comp., Pacific Grove, CA, Nov. 7-10, 2010.
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C. Liu, O. Gustafsson, B. Ng, and B. Phillips, "Estimating Arithmetic for Decimation Filters," in Proc. Asilomar Conf. Signals, Syst. Comp., Pacific Grove, CA, Nov. 7-10, 2010.
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M. Abbas and O. Gustafsson, "Low-Complexity Parallel Evaluation of Powers by Exploitation of Redundancy," in Proc. Asilomar Conf. Signals, Syst. Comp., Pacific Grove, CA, Nov. 7-10, 2010.
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M. Faust, C.-H. Chang, and O. Gustafsson,
"Reconfigurable Multiple Constant Multiplication Using Minimum
Adder Depth," in Proc. Asilomar Conf. Signals, Syst. Comp.,
Pacific Grove, CA, Nov. 7-10, 2010.
- F. Qureshi, M. Garrido, and O. Gustafsson, "Alternatives for
low-complexity rotators," in Proc. IEEE Int. Conf. Elec. Circuits,
Syst., Athens, Greece, Dec. 12-15, 2010.
- S. A. Alam and O. Gustafsson, "Implementation of time-multiplexed sparse periodic FIR filters for FRM on FPGAs," IEEE Int. Symp. Circuits Syst., Rio de Janeiro, Brazil, May 15-18, 2011.
- K. Johansson, O. Gustafsson, L. S. DeBrunner, and L. Wanhammar, "Minimum adder depth multiple constant multiplication algorithm for low power FIR filters," IEEE Int. Symp. Circuits Syst., Rio de Janeiro, Brazil, May 15-18, 2011.
- C. Ingemarsson and O. Gustafsson, "On Using the Logarithmic Number System for Finite Wordlenght Matrix Inversion," in Proc. IEEE Midwest Symp. Circuits Syst., Seoul, South Korea, Aug. 7-10, 2011.
- F. Qureshi and O. Gustafsson, "Generation of All Radix-2 Fast Fourier Transform Algorithms Using Binary Trees," in Proc. European Conf. Circuit Theory Design, Linköping, Sweden, Aug. 29-31, 2011.
- C. Ingemarsson and O. Gustafsson, "Finite Wordlength Properties of Matrix Inversion Algorithms in Fixed-point and Logarithmic Number systems," in Proc. European Conf. Circuit Theory Design, Linköping, Sweden, Aug. 29-31, 2011.
- A. Blad and O. Gustafsson, "FPGA implementation of rate-compatible QC-LDPC code decoder," in Proc. European Conf. Circuit Theory Design, Linköping, Sweden, Aug. 29-31, 2011.
- S. Athar and O. Gustafsson, "Optimization of AIQ Representations for
Low Complexity Wavelet Transforms," in Proc. European Conf. Circuit
Theory Design, Linköping, Sweden, Aug. 29-31, 2011.
- T. Ahmed, M. Garrido, and O. Gustafssonm "A 512-point 8-parallel
pipelined feedforward FFT for WPAN," in Proc. Asilomar Conf. Signals
Syst. Comp., Pacific Grove, CA, Nov. 6-9, 2011.
- M. Abbas and O. Gustafsson, "Computational and Implementation Complexity of Polynomial Evaluation Schemes," in Proc. IEEE NorChip Conf., Lund, Sweden, Nov. 14-15, 2011.
- P. Källström and O. Gustafsson, "Magnitude Scaling for Increased SFDR in DDFS," in Proc. IEEE NorChip Conf., Lund, Sweden, Nov. 14-15, 2011.
- S. A. Alam and O. Gustafsson, "Implementation of Narrow-Band Frequency-Response Masking for Efficient Narrow Transition Band FIR Filters on FPGAs," in Proc. IEEE NorChip Conf., Lund, Sweden, Nov. 14-15, 2011.
National conference papers
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P. Löwenborg, O. Gustafsson, and L. Wanhammar, "Filter design using MATLAB," in Proc. National Conf. Radio Science (RVK), Karlskrona, Sweden, June 14-17, 1999, pp. 374-378.
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C. Larsson, O. Gustafsson, M. Vesterbacka, and L. Wanhammar, "A tool for manual scheduling of DSP algorithms implemented in Java," in Proc. National Conf. Radio Science (RVK), Karlskrona, Sweden, June 14-17, 1999, pp. 367-369.
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H. Ohlsson, W. Li, O. Gustafsson, and L. Wanhammar, "A low power architecture for implementation of digital signal processing algorithms," in Proc. Swedish System-on-Chip Conf., Falkenberg, Sweden, March 18-19, 2002.
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O. Gustafsson and L. Wanhammar, "Optimal logic level pipelining for digit-serial implementation of maximally fast recursive digital filters," in Proc. National Conf. Radio Science (RVK), Kista, Sweden, June 10-13, 2002.
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O. Gustafsson and L. Wanhammar, (invited paper) "Some issues in low power arithmetic for fixed-function DSP," in Proc. National Conf. Radio Science (RVK), Kista, Sweden, June 10-13, 2002.
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H. Ohlsson, O. Gustafsson, W. Li, and L. Wanhammar, "An environment for design and implementation of energy efficient digital filters," in Proc. Swedish System-on-Chip Conf., Eskilstuna, Sweden, April 8-9, 2003.
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O. Gustafsson and L. Wanhammar, "Design of reduced complexity linear-phase polyphase FIR filters using mixed integer linear programming," in Proc. Swedish System-on-Chip Conf., Båstad, Sweden, April 13-14, 2004.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Power estimation of bit-serial constant-coefficient multipliers," in Proc. Swedish System-on-Chip Conf., Båstad, Sweden, April 13-14, 2004.
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H. Ohlsson, O. Gustafsson, and L. Wanhammar, "Implementation of low-complexity FIR filters using difference methods," in Proc. Swedish System-on-Chip Conf., Båstad, Sweden, April 13-14, 2004.
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J. Löfvenberg, O. Gustafsson, K. Johansson, T. Lindkvist, H. Ohlsson, and L. Wanhammar, "New applications for coding theory in low-power electronic circuits," Swedish System-on-Chip Conf., Tammsvik, Sweden, April 18-19, 2005.
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K. Johansson, O. Gustafsson, and L. Wanhammar, "Estimation of switching activity for ripple-carry adders adopting the dual bit type method," Swedish System-on-Chip Conf., Tammsvik, Sweden, April 18-19, 2005.
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A. Blad, O. Gustafsson, and L. Wanhammar, "Early decision decoding methods for low-density parity-check codes," in Proc. Swedish System-on-Chip Conf., Tammsvik, Sweden, April 18-19, 2005.
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O. Gustafsson, H. Ohlsson, and L. Wanhammar, "Carry-save adder based difference methods for multiple constant multiplication in high-speed FIR filters," in Proc. National Conf. Radio Science (RVK), Linköping, Sweden, June 14-16, 2005, pp. 245-248.
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J. Löfvenberg, O. Gustafsson, K. Johansson, T. Lindkvist, H. Ohlsson, and L. Wanhammar, "Coding schemes for deep sub-micron data buses," in Proc. National Conf. Radio Science (RVK), Linköping, Sweden, June 14-16, 2005, pp. 257-260.
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K. Johansson, O. Gustafsson, A. G. Dempster, and L. Wanhammar, "Trade-offs in low power multiplier blocks using serial arithmetic," in Proc. National Conf. Radio Science (RVK), Linköping, Sweden, June 14-16, 2005, pp. 271-274.
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A. Blad, O. Gustafsson, and L. Wanhammar, "An LDPC decoding algorithm utilizing early decisions," in Proc. National Conf. Radio Science (RVK), Linköping, Sweden, June 14-16, 2005, pp. 445-448.
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D. González Muñoz, O. Gustafsson, and L. Wanhammar, "Evolution of filter order equations for linear-phase FIR filters using gene expression programming," in Proc. National Conf. Radio Science (RVK), Linköping, Sweden, June 14-16, 2005, pp. 679-682.
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S. Athar and O. Gustafsson, "GPS + Modernized GPS + Galileo: Signal acquisition performance," Swedish System-on-Chip Conf., Arild, Sweden, May 4-5, 2009.
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F. Qureshi and O. Gustafsson, "Error analysis of low-complexity reconfigurable complex constant multiplication for FFTs," Swedish System-on-Chip Conf., Arild, Sweden, May 4-5, 2009.
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M. Abbas, O. Gustafsson, and H. Johansson, "Roundoff noise analysis and wordlength optimization of fractional delay filters based on the Farrow structure," Swedish System-on-Chip Conf., Arild, Sweden, May 4-5, 2009.
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Z. U. Sheikh, H. Johansson, and O. Gustafsson, "Multiplierless realization of wideband linear-phase FIR differentiators utilizing multirate and frequency-response masking techniques," Swedish System-on-Chip Conf., Arild, Sweden, May 4-5, 2009.
Reports
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M. Karlsson, O. Gustafsson, J. J. Wikner, T. Johansson, W. Li, M. Hörlin, and H. Ekberg, "Understanding multiplier design using `overturned-stairs' adder trees," LiTH-ISY-R-2016, Linköping University, Sweden, Feb. 1998.