lu.se

Elektro- och informationsteknik

Lunds Tekniska Högskola | Lunds universitet

Publikationer



Books

  1. K. Zigangirov:
    Theory of code division multiple access communication
    ISBN 0-471-45712-4, IEEE, 2004. (BibTeX) (More info)
  2. R. Johannesson, K. Zigangirov:
    Fundamentals of convolutional coding
    Digital and Mobile Communication, ISBN 0-7803-3483-3, IEEE, 1999. (BibTeX) (More info)
  3. L. Löfgren:
    Komplexitetsteori
    Lunds universitet, Avdelningen för teoretisk automatik, 1983. (BibTeX) (More info)

Book Chapters

  1. J. Yuan:
    Low power very fast dynamic logic circuits
    Low power electronics design, pp. 8-1-8-19, ISBN 0-8493-1941-2, CRC Press, 2004. (BibTeX) (More info)
  2. L. Löfgren:
    Understandings of time in complementaristic language
    Time in Contemporary Intellectual Thought, pp. 37-51, ISBN 0-444-82903-2, Elsevier, 2000. (BibTeX) (More info)
  3. L. Löfgren:
    Metalinguistic views of quantum mechanics and its formalizability
    Metadebates on science : the blue book of "Einstein meets Magritte", pp. 213-223, ISBN 0-7923-5762-0, Kluwer, 1999. (BibTeX) (More info)
  4. S. Höst, R. Johannesson, V. R. Sidorenko, K. Zigangirov, V. V. Zyablov:
    Cascaded convolutional codes
    Communication and Coding, pp. 10-29, ISBN 0863802389, Research Studies Press Ltd and John Wiley & Sons, 1998. (BibTeX) (More info)
  5. L. Löfgren:
    Linguistic realism, with comments on constructive realism
    Wissenschaft und Alltag : Symposionbeiträge zum Konstruktiven Realismus (Philosophica 12), pp. 89-102, ISBN 3700311141, Wilhelm Bramüller, 1995. (BibTeX) (More info)
  6. L. Löfgren:
    Complementarity in language : toward a general understanding
    Nature, Cognition and System II : On Complementarity and Beyond, pp. 113-153, ISBN 0-7923-1788-2, Kluwer, 1992. (BibTeX) (More info)
  7. L. Löfgren:
    On the partiality of self-reference
    Self-steering and cognition in complex systems : toward a new cybernetics, pp. 47-64, ISBN 2-88124-729-6, Gordon and Breach Science Publishers, 1990. (BibTeX) (More info)
  8. R. Johannesson, K. Zigangirov:
    Distances and distance bounds for convolutional codes - an overview
    Topics in coding theory - in honour of Lars H. Zetterberg, pp. 109-136, ISBN 0-387-51405-8, Springer, 1989. (BibTeX) (More info)
  9. L. Löfgren:
    Towards system : from computation to the phenomenon of language
    Nature, cognition and system I : current systems-scientific research on natural and cognitive science, pp. 129-152, ISBN 90-277-2740-6, Kluwer, 1988. (BibTeX) (More info)
  10. L. Löfgren:
    Knowledge of evolution and evolution of knowledge
    The evolutionary vision : toward a unifying paradigm of physical, biological, and sociocultural evolution, pp. 129-151, ISBN 0-86531-140-4, Westview Press, 1981. (BibTeX) (More info)
  11. L. Löfgren:
    On the formalizability of learning and evolution
    Logic, Methodology and Philiosophy of Science IV /Studies in Logic and the Foundations of Mathematics, Vol. 74, pp. 647-658, ISBN 0-7204-2274-4, North-Holland, 1973. (BibTeX) (More info)
  12. L. Löfgren:
    Relative explanations of systems
    Trends in general systems theory, pp. 340-407, ISBN 0-471-49190-X, John Wiley & Sons Ltd, 1972. (BibTeX) (More info)
  13. L. Löfgren:
    Recognition of order and evolutionary systems
    Computer and information sciences - II, pp. 165-175, Academic Press, 1967. (BibTeX) (More info)
  14. L. Löfgren:
    Explicability of sets and transfinite automata
    Automata theory, pp. 251-268, Academic Press, 1966. (BibTeX) (More info)

Journal Articles

    2013

  1. Y. Zhou, M. Y. W. Chia, X. Qing, J. Yuan:
    RF Spatial Modulation Using Antenna Arrays
    IEEE Transactions on Antennas and Propagation, Vol. 61, No. 10, pp. 5229-5236, 2013. (BibTeX) (More info)
  2. 2012

  3. C. Koller, A. Graell i Amat, J. Kliewer, F. Vatta, K. Zigangirov, D. J. J. Costello:
    Analysis and Design of Tuned Turbo Codes
    IEEE Transactions on Information Theory, Vol. 58, No. 7, pp. 4796-4813, 2012. (BibTeX) (More info)
  4. 2010

  5. D. Truhachev, K. Zigangirov, D. Costello:
    Distance bounds for periodically time-varying and tail-biting LDPC convolutional codes
    IEEE Transactions on Information Theory, Vol. 56, No. 9, pp. 4301-4308, 2010. (BibTeX) (More info)
  6. W. Zhang, M. Lentmaier, K. Zigangirov, D. J. ,. J. Costello:
    Braided Convolutional Codes: A New Class of Turbo-Like Codes
    IEEE Transactions on Information Theory, Vol. 56, No. 1, pp. 316-331, 2010. (BibTeX) (More info)
  7. M. Lentmaier, A. Sridharan, D. J. Costello Jr., K. Zigangirov:
    Iterative decoding threshold analysis for LDPC convolutional codes
    IEEE Transactions on Information Theory, Vol. 56, No. 10, pp. 5274-5289, 2010. (BibTeX) (More info)
  8. 2009

  9. A. Jimenez Feltström, D. Truhachev, M. Lentmaier, K. Zigangirov:
    Braided Block Codes
    IEEE Transactions on Information Theory, Vol. 55, No. 6, pp. 2640-2658, 2009. (BibTeX) (More info)
  10. 2008

  11. A. E. Pusane, A. Jimenez Feltström, A. Sridharan, M. Lentmaier, K. Zigangirov, D. J. Costello Jr.:
    Implementation Aspects of LDPC Convolutional Codes
    IEEE Transactions on Communications, Vol. 56, No. 7, pp. 1060-1069, 2008. (BibTeX) (More info)
  12. 2007

  13. A. Sridharan, D. Truhachev, M. Lentmaier, D. J. Costello Jr., K. Zigangirov:
    Distance bounds for an ensemble of LDPC convolutional codes
    IEEE Transactions on Information Theory, Vol. 53, No. 12, pp. 4537-4555, 2007. (BibTeX) (More info)
  14. 2006

  15. C. He, M. Lentmaier, D. J. Costello Jr., K. Zigangirov:
    Joint permutor analysis and design for multiple turbo codes
    IEEE Transactions on Information Theory, Vol. 52, No. 9, pp. 4068-4083, 2006. (BibTeX) (More info)
  16. 2005

  17. A. Sridharan, M. Lentmaier, D. Truhachev, D. J. Costello Jr., K. Zigangirov:
    On the minimum distance of codes with parity-check matrices constructed from permutation matrices
    Problems of Information Transmission, Vol. 41, No. 1, pp. 33-44, 2005. (BibTeX) (More info)
  18. M. Lentmaier, D. Truhachev, K. Zigangirov, D. J. Costello Jr.:
    An analysis of the block error probability performance of iterative decoding
    IEEE Transactions on Information Theory, Vol. 51, No. 11, pp. 3834-3855, 2005. (BibTeX) (More info)
  19. J. Pittermann, M. Lentmaier, K. Zigangirov:
    On coded modulation using LDPC convolutional codes
    AEÜ - International Journal of Electronics and Communications, Vol. 59, No. 4, pp. 254-257, 2005. (BibTeX) (More info)
  20. G. Xu, J. Yuan:
    Accurate sample-and-hold circuit model
    Electronics Letters, Vol. 41, No. 9, pp. 520-522, 2005. (BibTeX) (More info)
  21. G. Xu, J. Yuan:
    Performance analysis of general charge sampling
    IEEE Transactions on Circuits and Systems - 2, Analog and Digital Signal Processing, Vol. 52, No. 2, pp. 107-111, 2005. (BibTeX) (More info)
  22. 2004

  23. A. Huebner, D. Truhachev, K. Zigangirov:
    On permutor designs based on cycles for serially concatenated convolutional codes
    IEEE Transactions on Communications, Vol. 52, No. 9, pp. 1494-1503, 2004. (BibTeX) (More info)
  24. M. Lentmaier, D. Truhachev, K. Zigangirov:
    Analytic expressions for the bit error probabilities of rate-1/2 memory 2 convolutional encoders
    IEEE Transactions on Information Theory, Vol. 50, No. 6, pp. 1303-1311, 2004. (BibTeX) (More info)
  25. L. Löfgren:
    Unifying foundations - to be seen in the phenomenon of language
    Foundations of Science, Vol. 9, No. 2, pp. 135-189, 2004. (BibTeX) (More info)
  26. Y. Lixin, J. Yuan:
    A single-stage direct interpolation multiphase clock generator with phase error averaging
    Analog Integrated Circuits and Signal Processing, Vol. 38, No. 1, pp. 17-26, 2004. (BibTeX) (More info)
  27. 2003

  28. O. Wintzell, M. Lentmaier, K. Zigangirov:
    Asymptotic analysis of superorthogonal turbo codes
    IEEE Transactions on Information Theory, Vol. 49, No. 1, pp. 253-258, 2003. (BibTeX) (More info)
  29. G. Xu, J. Yuan:
    Charge sampling analogue FIR filter
    Electronics Letters, Vol. 39, No. 3, pp. 261-262, 2003. (BibTeX) (More info)
  30. Z. Yijun, J. Yuan:
    A 10-bit wide-band CMOS direct digital RF amplitude modulator
    IEEE Journal of Solid-State Circuits, Vol. 38, No. 7, pp. 1182-1188, 2003. (BibTeX) (More info)
  31. Z. Yijun, J. Yuan:
    A 8-bit 100-MHz CMOS linear interpolation DAC
    IEEE Journal of Solid-State Circuits, Vol. 38, No. 10, pp. 1758-1761, 2003. (BibTeX) (More info)
  32. 2001 and earlier

  33. M. Lentmaier, D. Truhachev, K. Zigangirov:
    To the theory of low-density convolutional codes II
    Problems of Information Transmission, Vol. 37, No. 4, pp. 288-306, 2001. (BibTeX) (More info)
  34. D. Truhachev, M. Lentmaier, K. Zigangirov:
    Some results concerning design and decoding of turbo-codes
    Problems of Information Transmission, Vol. 37, No. 3, pp. 190-205, 2001. (BibTeX) (More info)
  35. M. Lentmaier, K. Zigangirov:
    Mathematical analysis of an iterative algorithm for low-density code decoding
    Problems of Information Transmission, Vol. 36, No. 4, pp. 314-324, 2000. (BibTeX) (More info)
  36. S. Höst, R. Johannesson, K. Zigangirov, V. V. Zyablov:
    Active distances for convolutional codes
    IEEE Transactions on Information Theory, Vol. 45, No. 2, pp. 658-669, 1999. (BibTeX) (More info)
  37. M. Lentmaier, K. Zigangirov:
    On generalized low-density parity-check codes based on Hamming component codes
    IEEE Communications Letters, Vol. 3, No. 8, pp. 248-250, 1999. (BibTeX) (More info)
  38. J. Yuan, C. Svensson:
    Multigigahertz TSPC circuits in deep submicron CMOS
    Physica Scripta, No. T79, pp. 283-286, 1999. (BibTeX) (More info)
  39. T. Johansson, K. Zigangirov:
    A simple one sweep algorithm for optimal APP symbol decoding of linear block codes
    IEEE Transactions on Information Theory, Vol. 44, No. 7, pp. 3124-3129, 1998. (BibTeX) (More info)
  40. J. Yuan, C. Svensson:
    New single clock CMOS latches and flipflops with improved speed and power savings
    IEEE Journal of Solid-State Circuits, Vol. 32, No. 1, pp. 62-69, 1997. (BibTeX) (More info)
  41. R. Johannesson, K. Zigangirov:
    On the theory of list decoding of convolutional codes
    Problems of Information Transmission, Vol. 32, No. 1, pp. 104-111, 1996. (BibTeX) (More info)
  42. L. Löfgren:
    Shadows of language in physics and cybernetics
    Systems Research, Vol. 13, No. 3, pp. 329-340, 1996. (BibTeX) (More info)
  43. L. Löfgren:
    The wholeness of a cybernetican
    Systems Research, Vol. 10, No. 3, pp. 99-111, 1993. (BibTeX) (More info)
  44. R. Johannesson, K. Zigangirov:
    A trellis coding scheme based on signal alphabet splitting
    Problems of Information Transmission, Vol. 28, No. 4, pp. 308-316, 1992. (BibTeX) (More info)
  45. R. Johannesson, V. Sidorenko, K. Zigangirov:
    On sequential decoding for the Gilbert channel
    IEEE Transactions on Information Theory, Vol. 34, No. 5, part 1, pp. 1058-1061, 1988. (BibTeX) (More info)
  46. R. Johannesson, K. Zigangirov:
    On the distribution of the number of computations in any finite number of subtrees for the stack algorithm
    IEEE Transactions on Information Theory, Vol. 31, No. 1, pp. 100-102, 1985. (BibTeX) (More info)
  47. M. Cedervall, R. Johannesson, K. Zigangirov:
    A new upper bound on the first-event error probability for maximum-likelihood decoding of fixed binary convolutional codes
    IEEE Transactions on Information Theory, Vol. 30, No. 5, pp. 762-766, 1984. (BibTeX) (More info)
  48. L. Löfgren:
    On existence and existential perception
    Synthese, Vol. 35, pp. 431-445, 1977. (BibTeX) (More info)
  49. L. Löfgren:
    An axiomatic explanation of complete self-reproduction
    Bulletin of Mathematical Biophysics, Vol. 30, No. 3, pp. 415-425, 1968. (BibTeX) (More info)

Conference Papers (Peer reviewed)

    2009

  1. M. Lentmaier, M. B. S. Tavares, K. Zigangirov, G. Fettweis:
    Multi-User OFDM Based on Braided Convolutional Codes
    Lecture Notes in Electrical Engineering/Multi-Carrier Systems & Solutions 2009, International Workshop on Multi-Carrier Systems and Solutions (MC-SS), Wessling, Germany, Vol. 41, pp. 25-34, 2009-05-05/2009-05-06. (BibTeX) (More info)
  2. 2008

  3. M. Lentmaier, G. Fettweis, K. Zigangirov, D. J. Costello Jr.:
    Convolutional Codes for Iterative Decoding
    IEEE International Symposium on Spread Spectrum Techniques and Applications (ISSSTA), Bologna, Italy, pp. 785-789, 2008-08-25/2008-08-28. (BibTeX) (More info)
  4. M. B. S. Tavares, M. Lentmaier, G. Fettweis, K. Zigangirov:
    Asymptotic Distance and Convergence Analysis of Braided Protograph Convolutional Codes
    Annual Allerton Conference on Communication, Control and Computing (Allerton), Monticello, IL, pp. 1073-1080, 2008-09-23/2008-09-26. (BibTeX) (More info)
  5. M. B. S. Tavares, M. Lentmaier, K. Zigangirov, G. Fettweis:
    New Multi-User OFDM Scheme: Braided Code Division Multiple Access
    Annual Asilomar Conference on Signals, Systems, and Computers (Asilomar), Pacific Grove, CA, pp. 963-967, 2008-10-26/2008-10-29. (BibTeX) (More info)
  6. M. B. S. Tavares, M. Lentmaier, K. Zigangirov, G. Fettweis:
    LDPC Convolutional Codes Based on Braided Convolutional Codes
    IEEE International Symposium on Information Theory (ISIT), Toronto, Canada, pp. 1035-1039, 2008-07-06/2008-07-11. (BibTeX) (More info)
  7. L. Löfgren:
    Holistic cybernetics - conceived as the result of a gradually lessened `detachment of the observer´
    Cybernetics and Systems 2008, 19th European Meeting on Cybernetics and Systems Research, Vienna, Austria, pp. 144-149, 2008-03-25/2008-03-28. (BibTeX) (More info)
  8. 2007

  9. C. Chen, J. Yuan:
    A 10-bit 500-MS/s 124-mW subranging folding ADC in 0.13 ?m CMOS
    Proceedings - IEEE International Symposium on Circuits and Systems, 2007 IEEE International Symposium on Circuits and Systems, ISCAS 2007, New Orleans, LA, United States, pp. 1709-1712, 2007-05-27/2007-05-30. (BibTeX) (More info)
  10. C. Chen, J. Yuan:
    A 10-bit pipeline ADC using 40-dB opamps and calibrated customized references
    7th International Conference on ASIC, 2007. ASICON '07, Guilin, China, pp. 249-252, 2007-10-26/2007-10-29. (BibTeX) (More info)
  11. P. Nilsson, J. F. M. Gerrits, J. Yuan:
    A low complexity DDS IC for FM-UWB applications
    16th IST Mobile & Wireless Communications Summit, Budapest, Hungary, pp. 10-14, 2007-07-01/2007-07-05. (BibTeX) (More info)
  12. 2006

  13. K. Zigangirov, A. Jimenez Feltström, M. Lentmaier, D. Truhachev:
    Encoders and decoders for braided block codes
    IEEE International Symposium on Information Theory (ISIT), Seattle, WA, pp. 1808-1812, 2006-07-09/2006-07-14. (BibTeX) (More info)
  14. C. Chen, J. Yuan:
    A low-power 8-bit folding A/D converter with improved accuracy
    2006 8th International Conference on Solid-State and Integrated Circuit Technology, Shanghai, China, 2006-10-23/2006-10-26. (BibTeX) (More info)
  15. 2005

  16. W. Zhang, M. Lentmaier, T. E. Fuja, K. Zigangirov, D. J. Costello Jr.:
    Braided convolutional codes
    IEEE International Symposium on Information Theory (ISIT), Adelaide, Australia, pp. 592-596, 2005-09-04/2005-09-09. (BibTeX) (More info)
  17. M. Lentmaier, A. Sridharan, K. Zigangirov, D. J. Costello Jr.:
    Terminated LDPC convolutional codes with thresholds close to capacity
    IEEE International Symposium on Information Theory (ISIT), Adelaide, Australia, pp. 1372-1376, 2005-09-04/2005-09-09. (BibTeX) (More info)
  18. A. Hübner, M. Lentmaier, K. Zigangirov:
    Laminated turbo codes
    IEEE International Symposium on Information Theory (ISIT), Adelaide, Australia, pp. 597-601, 2005-09-04/2005-09-09. (BibTeX) (More info)
  19. Z. Yijun, J. Yuan:
    A 1 GHz CMOS current-folded direct digital RF quadrature modulator
    Digest of Papers. 2005 IEEE Radio Frequency integrated Circuits (RFIC) Symposium., pp. 25-28, 2005-06-12/2005-06-14. (BibTeX) (More info)
  20. J. Piper, J. Yuan:
    Design considerations of a floating-point ADC with embedded S/H
    IEEE International Symposium on Circuits and Systems (ISCAS), Kobe, Japan, pp. 6166-6169, 2005-05-23/2005-05-26. (BibTeX) (More info)
  21. J. Yuan:
    Silent CMOS circuits aiming for system-on-chip
    2005 6th International Conference on ASIC Proceedings, Shanghai, China, Vol. 1, pp. 278-281, 2005-10-24/2005-10-27. (BibTeX) (More info)
  22. M. Andersson, K. Norling, A. Dreyfert, J. Yuan:
    A Reconfigurable Pipelined ADC in 0.18 um CMOS
    2005 Symposium on VLSI Circuits, Digest of Technical Papers, Kyoto, Japan, pp. 326-329, Jun 16-18, 2005. (BibTeX) (More info)
  23. 2004

  24. D. Truhachev, M. Lentmaier, D. J. Costello,Jr, K. Zigangirov:
    Turbo codes and Shannon's condition for reliable communication
    International Symposium on Information Theory, 2004. ISIT 2004. Proceedings., International Symposium on Information Theory, ISIT 2004, pp. 442-, 2004-06-27/2004-07-02. (BibTeX) (More info)
  25. A. Shridharan, D. Truhachev, M. Lentmaier, K. Zigangirov:
    On the Free Distance of LDPC Convolutional Codes
    International Symposium on Information Theory, ISIT 2004. Proceedings., pp. 312-, 2004-07-02. (BibTeX) (More info)
  26. M. Lentmaier, D. Truhachev, D. J. Costello Jr., K. Zigangirov:
    On the block error probability of iteratively decoded LDPC codes
    5th International ITG Conference on Source and Channel Coding (SCC), Erlangen, Germany, 2004-01-14/2004-01-16. (BibTeX) (More info)
  27. A. Sridharan, M. Lentmaier, D. J. Costello Jr., K. Zigangirov:
    Convergence analysis for a class of LDPC convolutional codes on the erasure channel
    Annual Allerton Conference on Communication, Control and Computing (Allerton), Monticello, IL, pp. 953-962, 2004-09-29/2004-10-01. (BibTeX) (More info)
  28. A. E. Pusane, M. Lentmaier, T. E. Fuja, K. Zigangirov, D. J. Costello Jr.:
    Multi-level coding/modulation using LDPC convolutional codes
    International Symposium on Information Theory and its Applications (ISITA), Parma, Italy, 2004-10-10/2004-10-13. (BibTeX) (More info)
  29. A. Pusane, M. Lentmaier, K. Zigangirov, D. J. Costello Jr.:
    Reduced complexity decoding strategies for LDPC convolutional codes
    IEEE International Symposium on Information Theory (ISIT), Chicago, IL, 2004. (BibTeX) (More info)
  30. G. Xu, J. Yuan:
    A CMOS charge sampler with amplification function
    Proceedings of SSoCC 2004, Swedish System on Chip Conference, SSoCC, Båstad, 2004-04-13/2004-04-14. (BibTeX) (More info)
  31. J. Piper, J. Yuan:
    A simulation model for embedding the transistor bias
    NORCHIP, Oslo, Norway, pp. 222-224, 2004-11-08/2004-11-09. (BibTeX) (More info)
  32. G. Xu, J. Yuan:
    A programmable analog-to-digital converter
    2004 IEEE International Symposium on Circuits and Systems, Vancouver, BC, Canada, pp. 585-588, 2004-05-23/2004-05-26. (BibTeX) (More info)
  33. G. Xu, J. Yuan:
    A CMOS 500 MS/S charge sampler
    Proceedings of the IASTED International Conference on Circuits, Signals, and Systems, Clearwater Beach, FL, United States, pp. 462-466, Nov 28-Dec 1 2004. (BibTeX) (More info)
  34. G. Xu, J. Yuan:
    A CMOS 500 MS/s charge sampler
    IASTED International Conference on Circuits, Signals, and Systems (CSS), Clearwater Beach, FL, USA, 2004-11-28/2004-12-01. (BibTeX) (More info)
  35. G. Xu, J. Yuan:
    An accurate circuit model for a general sample-and-hold circuit
    2004 IEEJ (7th) International Analog VLSI Workshop (AVLSIWS 2004), Maco SAR, China, 2004-10-13/2004-10-15. (BibTeX) (More info)
  36. J. Piper, J. Yuan:
    Distortion in pipelined analog-to-digital converters
    2004 IEEJ (7th) International Analog VLSI Workshop (AVLSIWS 2004), Maco SAR, China, 2004-10-13/2004-10-15. (BibTeX) (More info)
  37. M. Andersson, J. Yuan:
    A novel reconfigurable pipelined A/D conversion technique for multistandard wideband receivers
    Proceedings of the IASTED International Conference on Circuits, Signals, and Systems, Clearwater Beach, FL, United States, pp. 199-204, Nov 28-Dec 1 2004. (BibTeX) (More info)
  38. M. Andersson, J. Yuan:
    A Novel Reconfigurable Pipelined A/D Conversion Technique for Multistandard Wideband Receivers
    Proceedings of the IASTED International Conference on Circuits, Signals, and Systems, IASTED CSS, pp. 199-204, 2004. (BibTeX) (More info)
  39. 2003

  40. D. Truhachev, M. Lentmaier, K. Zigangirov:
    On braided block codes
    Proceedings 2003 IEEE International Symposium on Information Theory. ISIT 2003 (Cat. No.03CH37432), Yokohama, Japan, pp. 32-32, 2003-06-29/2003-07-04. (BibTeX) (More info)
  41. J. Pittermann, M. Lentmaier, K. Zigangirov:
    On bandwidth-efficient convolutional LDPC codes
    IEEE International Symposium on Information Theory - Proceedings, Proceedings 2003 IEEE International Symposium on Information Theory (ISIT), Yokohama, Japan, pp. 235-235, Jun 29-Jul 4 2003. (BibTeX) (More info)
  42. A. Huebner, D. Truhachev, K. Zigangirov:
    On cycle-based permutor designs for serially concatenated codes
    IEEE International Symposium on Information Theory, 2003. Proceedings., ISIT-2003, Chicago, USA, pp. 279-, 2003. (BibTeX) (More info)
  43. G. Xu, J. Yuan:
    A 80 dB second order - modulator
    Proceedings of SSoCC 2003, Swedish System-on-Chip Conference, SSoCC'03, Eskilstuna, 2003-04-08/2003-04-09. (BibTeX) (More info)
  44. K. Theodoroulos, J. Yuan:
    A silent CMOS circuit technique
    Proceedings of SSoCC 2003, Swedish System-on-Chip Conference (SSoCC?03), 2003-04-08/2003-04-09. (BibTeX) (More info)
  45. G. Xu, J. Yuan:
    A differential difference comparator for multi-step A/D converters
    Proceedings - IEEE International Symposium on Circuits and Systems, Proceedings of the 2003 IEEE International Symposium on Circuits and Systems, Bangkok, Thailand, Vol. 1, pp. 257-260, 2003-05-25/2003-05-28. (BibTeX) (More info)
  46. Z. Yijun, J. Yuan:
    A highly integrated CMOS direct digital RF quadrature modulator
    ESSCIRC 2004 - 29th European Solid-State Circuits Conference, Estoril, Portugal, pp. 573-576, 2003-09-16/2003-09-18. (BibTeX) (More info)
  47. G. Xu, J. Yuan:
    Performance analysis of general charge sampling
    Proceedings of the 2003 IEEE International Symposium on Circuits and Systems (Cat. No.03CH37430), ISCAS 2003. International Symposium on Circuits and Systems, Bangkok, Thailand, pp. 745-748, 25-28 May 2003. (BibTeX) (More info)
  48. Y. Lixin, J. Yuan:
    An arbitrarily skewable multiphase clock generator combining direct interpolation with phase error average
    Proceedings - IEEE International Symposium on Circuits and Systems, Proceedings of the 2003 IEEE International Symposium on Circuits and Systems, Bangkok, Thailand, Vol. 1, pp. 645-648, 2003-05-25/2003-05-28. (BibTeX) (More info)
  49. 2002

  50. K. Zigangirov, M. Lentmaier, D. Truhachev:
    Two approaches to the analysis of low-density parity-check codes
    Proceedings 2002 IEEE International Symposium on Information Theory (Cat. No.02CH37371), Proceedings of IEEE International Symposium on Information Theory, Lausanne, Switzerland, pp. 29-29, 30 June-5 July 2002. (BibTeX) (More info)
  51. M. Lentmaier, D. Truhachev, K. Zigangirov:
    Analytic expression for the exact bit error probability of the (7,5) convolutional code
    IEEE International Symposium on Information Theory - Proceedings, 2002 IEEE International Symposium on Information Theory, Lausanne, Switzerland, pp. 7-7, Jun 30-Jul 5 2002. (BibTeX) (More info)
  52. D. Truhachev, M. Lentmaier, O. Wintzell, K. Zigangirov:
    On the minimum distance of turbo codes
    IEEE International Symposium on Information Theory - Proceedings, 2002 IEEE International Symposium on Information Theory, Lausanne, Switzerland, pp. 84-84, Jun 30-Jul 5 2002. (BibTeX) (More info)
  53. M. Lentmaier, D. Truhachev, K. Zigangirov:
    Iteratively decodable sliding codes on graphs
    Workshop on Algebraic and Combinatorial Coding Theory (ACCT), Saint Petersburg, Russia, 2002-09-08/2002-09-14. (BibTeX) (More info)
  54. O. Wintzell, M. Lentmaier, K. Zigangirov:
    On the asymptotic analysis of superorthogonal turbo codes
    IEEE International Symposium on Information Theory (ISIT), Lausanne, Switzerland, 2002. (BibTeX) (More info)
  55. L. Löfgren:
    What is systems science?
    Cybernetics and systems 2002, 16th European meeting on cybernetics and systems research, Vienna, Austria, Vol. 1, pp. 11-16, 2002-04-02/2002-04-05. (BibTeX) (More info)
  56. Y. Lixin, J. Yuan:
    A single-stage direct interpolation multiphase clock generator with phase error average
    Proceedings of the 20th Norchip Conference, Copenhagen, Denmark, pp. 297-302, 2002-11-11/2002-11-12. (BibTeX) (More info)
  57. Y. Lixin, Z. Yijun, J. Yuan:
    A non-feedback multiphase clock generator
    2002 IEEE International Symposium on Circuits and Systems. Proceedings (Cat. No.02CH37353), Phoenix-Scottsdale, AZ, USA, pp. 389-392, 2002-05-26/2002-05-29. (BibTeX) (More info)
  58. Y. Lixin, Z. Yijun, J. Yuan:
    A non-feedback multiphase clock generator using direct interpolation
    2002 45th Midwest Symposium on Circuits and Systems, vol 1, Conference Proceedings, Tulsa, OK, United States, Vol. 1, pp. 340-343, Aug 4-7 2002. (BibTeX) (More info)
  59. G. Xu, J. Yuan:
    A CMOS analog FIR filter with low phase distortion
    ESSCIRC 2002. Proceedings of the 28th European Solid-State Circuit Conference, Firenze, Italy, pp. 747-750, 2002-09-24/2002-09-26. (BibTeX) (More info)
  60. Z. Yijun, J. Yuan:
    A low distortion wide band CMOS direct digital RF amplitude modulator
    ESSCIRC 2002. Proceedings of the 28th European Solid-State Circuit Conference, Firenze, Italy, pp. 775-778, 2002-09-24/2002-09-26. (BibTeX) (More info)
  61. Z. Yijun, J. Yuan:
    A direct digital RF amplitude modulator
    Proceedings - IEEE International Symposium on Circuits and Systems, 2002 IEEE International Symposium on Circuits and Systems, Phoenix, AZ, Vol. 1, pp. 141-144, 2002-05-26/2002-05-29. (BibTeX) (More info)
  62. Z. Yijun, J. Yuan:
    A 10-bit, 100-MHz CMOS linear interpolation DAC
    ESSCIRC 2002. Proceedings of the 28th European Solid-State Circuit Conference, Firenze, Italy, pp. 471-474, 2002-09-24/2002-09-26. (BibTeX) (More info)
  63. 2001 and earlier

  64. K. Engdahl, D. Truhachev, K. Zigangirov:
    Improved bound on the error probability of fixed convolutional codes
    Proceedings WCC-01, International Workshop on Coding and Cryptography, WCC 2001, Paris, 2001-01-08/2001-01-12. (BibTeX) (More info)
  65. D. Truhachev, M. Lentmaier, K. Zigangirov:
    Mathematical analysis of iterative decoding of LDPC convolutional codes
    IEEE International Symposium on Information Theory (ISIT), Washington, DC, 2001-06-24/2001-06-29. (BibTeX) (More info)
  66. M. Lentmaier, D. Truhachev, K. Zigangirov:
    Analysis of the asymptotic iterative decoding performance of turbo codes
    IEEE International Symposium on Information Theory (ISIT), Washington, DC, 2001-06-24/2001-06-29. (BibTeX) (More info)
  67. G. Xu, J. Yuan:
    A low-voltage high-speed sampling technique
    Proceedings of the 4th International Conference on ASIC, Shanghai , China, pp. 228-231, 2001-10-23/2001-10-25. (BibTeX) (More info)
  68. Z. Yijun, J. Yuan:
    An 8-Bit, 100-MHz low glitch interpolation DAC
    Proceedings of the 2001 IEEE International Symposium on Circuits and Systems, ISCAS 2001, Sydney, Australia, Vol. 4, pp. 116-119, 2001-05-06/2001-05-09. (BibTeX) (More info)
  69. G. Xu, J. Yuan:
    An embedded low power FIR filter
    Proceedings of the 2001 IEEE International Symposium on Circuits and Systems,, ISCAS 2001, Sydney, Australia, Vol. 4, pp. 230-233, 2001-05-06/2001-05-09. (BibTeX) (More info)
  70. J. Piper, J. Yuan:
    Realization of a floating-point A/D converter
    Proceedings of 2001 IEEE International Symposium on Circuits and Systems, ISCAS 2001, Sydney, Australia, Vol. 1, pp. 404-407, 2001-05-06/2001-05-09. (BibTeX) (More info)
  71. K. Zigangirov, M. Lentmaier:
    On the asymptotic iterative decoding performance of low-density parity-check codes
    International Symposium on Turbo Codes & Iterative Information Processing (ISTC), Brest, France, 2000-09-04/2000-09-07. (BibTeX) (More info)
  72. K. Engdahl, M. Lentmaier, D. Truhachev, K. Zigangirov:
    Analytical approach to low-density convolutional codes
    IEEE International Symposium on Information Theory (ISIT), Sorrento, Italy, 2000-06-25/2000-06-30. (BibTeX) (More info)
  73. L. Löfgren:
    Fragmentability, a foundational systems concept
    Cybernetics and systems 2000, 15th European meeting on cybernetics and systems research, Vienna, Austria, Vol. 1, pp. 15-20, 2000-04-25/2000-04-28. (BibTeX) (More info)
  74. G. Xu, J. Yuan:
    A sampler with embedded filter function
    Proceedings of 18th NORCHIP Conference, Turku, Finland, pp. 128-133, 2000-11-05/2000-11-06. (BibTeX) (More info)
  75. Z. Yijun, J. Yuan:
    An 8-bit, 100 MHz low glitch interpolation DAC
    Proceedings of 18th NORCHIP Conference, pp. 315-319, 2000-11. (BibTeX) (More info)
  76. J. Yuan:
    A charge sampling mixer with embedded filter function for wireless applications
    Proceedings of 2nd International Conference on Microwave and Millimeter Wave Technology, ICMMT 2000, Beijing , China, pp. 315-318, 2000-09-14/2000-09-16. (BibTeX) (More info)
  77. R. Strandberg, J. Yuan:
    Analysis and implementation of a semi-integrated Buck converter with static feedback control
    Proceedings of 43rd Midwest Symposium on Circuits and Systems, Lansing, MI , USA, Vol. 2, pp. 934-937, 2000-08-08/2000-08-11. (BibTeX) (More info)
  78. R. Strandberg, J. Yuan:
    Single input current-sensing differential logic (SCSDL)
    Proceedings of 2000 IEEE International Symposium on Circuits and Systems, ISCAS 2000, Geneva , Switzerland, Vol. 1, pp. 764-767, 2000-05-28/2000-05-31. (BibTeX) (More info)
  79. G. Xu, J. Yuan:
    Comparison of charge sampling and voltage sampling
    Proceedings of 43rd Midwest Symposium on Circuits and Systems, Lansing, MI , USA, Vol. 1, pp. 440-443, 2000-08-08/2000-08-11. (BibTeX) (More info)
  80. J. Yuan:
    Accurate sampling of radio signals beyond gigahertz in CMOS
    Proceedings : fifth symposium on gigaherz electronics, GHz 2000 symposium, Gothenburg, Sweden, pp. 277-280, 2000-03-13/2000-03-14. (BibTeX) (More info)
  81. K. Engdahl, M. Lentmaier, K. Zigangirov:
    On the theory of low-density convolutional codes
    Lecture Notes in Computer Science/Applied Algebra, Algebraic Algorithms and Error-Correcting Codes, International Symposium on Applied Algebra, Algebraic Algorithms and Error- Correcting Codes (AAECC), Honolulu, Hawaii, Vol. 1719, pp. 77-86, 1999-11-15/1999-11-19. (BibTeX) (More info)
  82. S. Höst, R. Johannesson, V. R. Sidorenko, K. Zigangirov, V. V. Zyablov:
    Cascaded convolutional codes
    60th Birthday Celebration Conference for Paddy Farrell, Lancaster, England, 1998-01-25/1998-01-28. (BibTeX) (More info)
  83. M. Lentmaier, K. Zigangirov:
    Iterative decoding of generalized low-density parity-check codes
    IEEE International Symposium on Information Theory (ISIT), Cambridge, MA, 1998-08-16/1998-08-21. (BibTeX) (More info)
  84. L. Löfgren:
    Nonseparability of inferribility and measurability in quantum mechanics as a Systema Magnum
    Proc. Fourteenth European Meeting on Cybernetics and Systems Research, Vol. 1, pp. 113-118, 1998. (BibTeX) (More info)
  85. L. Löfgren:
    Phenomena of autonomy with explanations in introspective language
    Proceedings of the 1998 IEEE International Symposium on Intelligent Control (ISIC) held jointly with IEEE International Symposium on Intelligence in Robotics and Automation (CIRA), Intelligent Systems and Semiotics (ISAS), Gaithersburg, MD, USA, pp. 694-699, 1998-09-14/1998-09-17. (BibTeX) (More info)
  86. S. Höst, R. Johannesson, K. Zigangirov, V. V. Zyablov:
    Active distances and cascaded convolutional codes
    1997 IEEE International Symposium on Information Theory (ISIT), Ulm, Germany, pp. 107-, 1997-06-29/1997-07-04. (BibTeX) (More info)
  87. S. Höst, R. Johannesson, D. K. Zigangirov, K. Zigangirov, V. V. Zyablov:
    On the distribution of the output error burst lengths for Viterbi decoding of convolutional codes
    1997 IEEE International Symposium on Information Theory (ISIT), Ulm, Germany, pp. 108-, 1997-06-29/1997-07-04. (BibTeX) (More info)
  88. S. Höst, R. Johannesson, K. Zigangirov, V. V. Zyablov:
    Active distances for convolutional codes
    Winter School on Coding and Information Theory, Mölle, Sweden, 1996-12-15/1996-12-18. (BibTeX) (More info)
  89. R. Johannesson, K. Zigangirov:
    An expurgation upper bound on the probability of corret path loss for time-invariant convolutional codes
    International Conference on Communication Technology , ICCT'96, Beijing, China, Vol. 1, pp. 548-551, 1996-05-05/1996-05-07. (BibTeX) (More info)
  90. R. Johannesson, K. Zigangirov:
    Upper bounds on the probability of the correct path loss for list decoding of fixed convolutional codes
    1995 IEEE International Symposium on Information Theory, Whistler, Canada, pp. 163-, 1995-09-17/1995-09-22. (BibTeX) (More info)
  91. G. Bratt, R. Johannesson, K. Zigangirov:
    Decoding procedure capacities for the Gilbert-Elliott channel
    1995 IEEE International Symposium on Information Theory, Whistler, Canada, pp. 288-, 1995-09-17/1995-09-22. (BibTeX) (More info)
  92. R. Johannesson, K. Zigangirov, V. V. Zyablov:
    Lower bounds on the free distance for random concatenated convolutional codes
    Seventh Joint Swedish-Russian International Workshop on Information Theory, St.-Petersburg, Russia, 1995-06-17/1995-06-22. (BibTeX) (More info)
  93. G. Bratt, R. Johannesson, K. Zigangirov:
    Bounds on the number of computations of sequential decoding for the Gilbert-Elliott channel
    Seventh Joint Swedish-Russian International Workshop on Information Theory, St.-Petersburg, Russia, 1995-06-17/1995-06-22. (BibTeX) (More info)
  94. V. Balakirsky, R. Johannesson, K. Zigangirov:
    New results on estimations of the burst and bit error probabilities for fixed convolutional codes
    1994 IEEE International Symposium on Information Theory (ISIT), Trondheim, Norway, pp. 271-, 1994-06-27/1994-07-01. (BibTeX) (More info)
  95. L. Löfgren:
    General complementarity and the double-prism experiment
    Symposium on the foundations of modern physics 1994, Helsinki, Finland, pp. 154-156, 1994-06-13/1994-06-16. (BibTeX) (More info)
  96. J. Nyström, R. Johannesson, K. Zigangirov:
    Creeper - an algorithm for sequential decoding
    Sixth Joint Swedish-Russian International Workshop on Information Theory, Mölle, Sweden, 1993-08-22/1993-08-27. (BibTeX) (More info)
  97. G. Bratt, R. Johannesson, K. Zigangirov:
    Estimating some important parameters for the Gilbert-Elliott channel using a sequential decoder
    Sixth Joint Swedish-Russian International Workshop on Information Theory, Mölle, Sweden, 1993-08-22/1993-08-27. (BibTeX) (More info)
  98. R. Johannesson, J. Persson, K. Zigangirov:
    Efficient splitting of multidimensional alphabets for modulation codes
    1993 IEEE International Symposium on Information Theory (ISIT), San Antonio, Texas, pp. 288-, 1993-01-17/1993-01-22. (BibTeX) (More info)
  99. R. Johannesson, K. Zigangirov:
    Strengthening Viterbi's upper bound on the bit error probability for maximum likelihood decoding of fixed binary convolutional codes
    1993 IEEE International Symposium on Information Theory (ISIT), San Antonio, Texas, 1993-01-17/1993-01-22. (BibTeX) (More info)
  100. L. Löfgren:
    Linguistic realism and issues in quantum philosophy
    Symposia on the foundations of modern physics : the Copenhagen interpretation and Wolfgang Pauli, Helsinki, Finland, pp. 297-318, 1992-06/1992-08. (BibTeX) (More info)
  101. R. Johannesson, K. Zigangirov:
    Estimating the computational cut-off rate for the Gilbert-Elliott channel
    Fifth Joint Soviet-Swedish International Workshop on Information Theory: Convolutional Codes; Multi-User Communication, Moscow, USSR, 1991-01-13/1991-01-19. (BibTeX) (More info)
  102. R. Johannesson, K. Zigangirov:
    Estimating the computational cut-off rate for the Gilbert-Elliott channel
    1991 IEEE International Symposium on Information Theory (ISIT), Budapest, Hungary, pp. 291-, 1991-06-23/1991-06-28. (BibTeX) (More info)
  103. R. Johannesson, K. Zigangirov:
    Sequential decoding and Wald's identity
    1990 IEEE International Symposium on Information Theory (ISIT), San Diego, California, 1990-01-14/1990-01-19. (BibTeX) (More info)
  104. R. Johannesson, K. Zigangirov:
    A lower bound on the distance profile for convolutional codes
    Fourth Joint Swedish-Soviet International Workshop on Information Theory, Gotland, Sweden, 1989-08-27/1989-09-01. (BibTeX) (More info)
  105. G. Bratt, R. Johannesson, K. Zigangirov:
    On sequential decoding for the Gilbert-Elliott channel
    1988 IEEE International Symposium on Information Theory (ISIT), Kobe, Japan, 1988-06-19/1988-06-24. (BibTeX) (More info)
  106. G. Bratt, R. Johannesson, K. Zigangirov:
    On sequential decoding for the Gilbert-Elliott channel
    Third Joint Soviet-Swedish International Workshop on Information Theory: Convolutional Codes; Multi-User Communication, Sochi, USSR, 1987-05-24/1987-05-30. (BibTeX) (More info)
  107. V. Sidorenko, R. Johannesson, K. Zigangirov:
    On sequential decoding for the Gilbert channel
    1986 IEEE International Symposium on Information Theory (ISIT), Ann Arbor, Michigan, 1986-10-06/1986-10-09. (BibTeX) (More info)
  108. M. Cedervall, R. Johannesson, K. Zigangirov:
    CREEPER - a new algorithm for sequential decoding
    1985 IEEE International Symposium on Information Theory (ISIT), Brighton, England, 1985-06-24/1985-06-28. (BibTeX) (More info)
  109. K. Berglund, R. Johannesson, K. Zigangirov:
    A new sequential decoding algorithm for fading channels
    Second Joint Swedish-Soviet International Workshop on Information Theory, Gränna, Sweden, 1985-04-14/1985-04-19. (BibTeX) (More info)
  110. M. Cedervall, R. Johannesson, K. Zigangirov:
    CREEPER - an easily implementable algorithm for sequential decoding
    Sixth International Symposium on Information Theory, Tashkent, USSR, 1984. (BibTeX) (More info)
  111. R. Johannesson, K. Zigangirov:
    On the distribution of the number of computations in any finite number of subtrees for the stack algorithm
    International Workshop on Convolutional Codes; Multi-User Communication, Sochi, USSR, 1983. (BibTeX) (More info)
  112. M. Cedervall, R. Johannesson, K. Zigangirov:
    A new upper bound on the first-event error probability for maximum-likelihood decoding of specific binary convolutional codes
    1982 IEEE International Symposium on Information Theory (ISIT), Les Arcs, France, 1982-06-21/1982-06-25. (BibTeX) (More info)
  113. M. Cedervall, R. Johannesson, K. Zigangirov:
    On an upper bound on the error probability of specific convolutional codes with maximum-likelihood decoding
    1981 IEEE International Symposium on Information Theory (ISIT), Santa Monica, USA, 1981-02-09/1981-02-12. (BibTeX) (More info)
  114. R. Johannesson, K. Zigangirov:
    On the distribution of average number of computations for the stack algorithm
    1979 IEEE International Symposium on Information Theory (ISIT), Grignano, Italy, 1979-06-25/1979-06-29. (BibTeX) (More info)
  115. L. Löfgren:
    Goals for human planning
    Improving the human condition: quality and stability in social systems : proceedings of the silver anniversary international meeting, London, UK, pp. 460-467, 1979-08-20/1979-08-24. (BibTeX) (More info)
  116. L. Löfgren:
    Unfoldment of self-reference in logic and in computer science
    Proceedings from 5th Scandinavian Logic Symposium, Aalborg, Denmark, pp. 205-229, 1979-01-17/1979-01-19. (BibTeX) (More info)
  117. L. Löfgren:
    Kinematic and tessellation models of self-repair
    Biological prototypes and synthetic systems, Second annual bionics symposium, New York, Vol. 1, pp. 342-369, 1961-08-30/1961-09-01. (BibTeX) (More info)

Conference Papers

  1. C. Chen, J. Yuan:
    Calibration technique for op-amp finite gain in pipelined ADC
    Swedish System-on-Chip Conference (SSoCC'07), Fiskebäckskil, Sweden, 2007-05-14/2007-05-15. (BibTeX) (More info)
  2. P. Nilsson, J. F. M. Gerrits, J. Yuan:
    A digital-baseband mixed-signal chip for ultra wide band applications
    Swedish System-on-Chip Conference 2007 (SSoCC?07), Gullmarsstrand, Fiskebäckskil, Sweden, 2007-05-14/2007-05-15. (BibTeX) (More info)
  3. C. Chen, J. Yuan:
    Accuracy improving technique in folding A/D converter with calibrated folder
    The 6th Swedish System-on-Chip Conference (SSoCC'06), Kolmården, Sweden, 2006-05-04/2006-05-05. (BibTeX) (More info)
  4. M. Andersson, J. Yuan:
    Studies of time error limitations in ADC systems with random parallel passive sampling
    Proceedings of the Swedish System-on-Chip Conference, Swedish System-on-Chip Conference (SSoCC'05), Tammsvik, Sweden, 2005-04-18/2005-04-19. (BibTeX) (More info)
  5. M. Andersson, J. Yuan:
    On the effects of static errors in a pipelined A/D converter
    Proceedings of the Swedish System-on-Chip Conference, SSoCC, Eskilstuna, Sweden, 2003-04-08/2003-04-09. (BibTeX) (More info)

Encyclopaedia Entries

  1. L. Löfgren:
    Autology
    Systems and control encyclopedia, pp. 326-333, ISBN 0-08-028709-3, Pergamon, 1987. (BibTeX) (More info)
  2. L. Löfgren:
    Complexity of systems
    Systems and control encyclopedia, pp. 704-709, ISBN 0-08-028709-3, Pergamon, 1987. (BibTeX) (More info)
  3. L. Löfgren:
    Computability
    Systems and control encyclopedia, pp. 715-720, ISBN 0-08-028709-3, Pergamon, 1987. (BibTeX) (More info)
  4. L. Löfgren:
    Decidability
    Systems and control encyclopedia, pp. 932-938, ISBN 0-08-028709-3, Pergamon, 1987. (BibTeX) (More info)