Toyohashi University of Technology
Communications & Signal Processing Laboratory

Address

C408
Toyohashi University of Technology
1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi 441-8580, Japan.

Publications

Journal Papers

  1. T. Fujitsuka and K. Takeuchi, "Pilot Decontamination in Massive MIMO Uplink via Approximate Message-Passing," submitted to IEEE Trans. Wireless Commun., 2019.
  2. K. Takeuchi, "Convolutional Approximate Message-Passing," submitted to IEEE Signal Process. Lett., 2019.
  3. K. Takeuchi, "Rigorous Dynamics of Expectation-Propagation-Based Signal Recovery from Unitarily Invariant Measurements," accepted for publication on IEEE Trans. Inf. Theory.
  4. M. Yamada, K. Takeuchi, and K. Koike, "Hardware-Aware Sum-Product Decoding in the Decision Domain," IEICE Trans. Fundamentals., vol. E102-A, no. 12, pp. 1980-1987, Dec. 2019.
  5. K. Takeuchi, "A Family of Counterexamples to the Central Limit Theorem Based on Binary Linear Codes," IEICE Trans. Fundamentals., vol. E102-A, no. 5, pp. 738-740, May 2019.
  6. K. Takeuchi, "Asymptotic Optimality of QPSK Faster-than-Nyquist Signaling in Massive MIMO Systems," IEICE Trans. Fundamentals., vol. E99-A, no. 12, pp. 2192-2201, Dec. 2016.
  7. K. Takeuchi, "Second-Order Optimality of Generalized Spatial Modulation for MIMO Channels with No CSI," IEEE Wireless Commun. Lett., vol. 4, no. 6, pp. 613-616, Dec. 2015.
  8. K. Takeuchi, "Spatial Modulation Achieves Information-Theoretically Optimal Energy Efficiency," IEEE Commun. Lett., vol. 19, no. 7, pp. 1133-1136, Jul. 2015.
  9. K. Takeuchi, T. Tanaka, and T. Kawabata, "Performance Improvement of Iterative Multiuser Detection for Large Sparsely Spread CDMA Systems by Spatial Coupling," IEEE Trans. Inf. Theory, vol. 61, no. 4, pp. 1768-1794, Apr. 2015.
  10. S. Horio, K. Takeuchi, and T. Kawabata, "Iterative Channel Estimation and Decoding via Spatial Coupling," IEICE Trans. Fundamentals., vol. E98-A, no. 2, pp. 549-557, Feb. 2015.
  11. K. Takeuchi and S. Horio, "Iterative Multiuser Detection and Decoding with Spatially Coupled Interleaving," IEEE Wireless Commun. Lett., vol. 2, no. 6, pp. 619-622, Dec. 2013.
  12. K. Takeuchi, R. R. Müller, M. Vehkaperä, and T. Tanaka, "On an Achievable Rate of Large Rayleigh Block-Fading MIMO Channels With No CSI," IEEE Trans. Inf. Theory, vol. 59, no. 10, pp. 6517-6541, Oct. 2013.
  13. K. Takeuchi, R. R. Müller, and M. Vehkaperä, "Iterative LMMSE Channel Estimation and Decoding Based on Probabilistic Bias," IEEE Trans. Commun., vol. 61, no. 7, pp. 2853-2863, Jul. 2013.
  14. K. Takeuchi, "Accelerating Iterative Detection for Spatially Coupled Systems by Collaborative Training," IEEE Commun. Lett., vol. 17, no. 3, pp. 451-454, Mar. 2013.
  15. K. Takeuchi, T. Tanaka, and T. Kawabata, "A Phenomenological Study on Threshold Improvement via Spatial Coupling," IEICE Trans. Fundamentals, vol. E95-A, no. 5, pp. 974-977, May 2012.
  16. K. Takeuchi, M. Vehkaperä, T. Tanaka, and R. R. Müller, "Large-System Analysis of Joint Channel and Data Estimation for MIMO DS-CDMA Systems," IEEE Trans. Inf. Theory, vol. 58, no. 3, pp. 1385-1412, Mar. 2012.
  17. K. Takeuchi, R. R. Müller, and M. Vehkaperä, "Bias-Based Training for Iterative Channel Estimation and Data Decoding in Fast Fading Channels," IEICE Trans. Commun., vol. E94-B, no. 7, pp. 2161-2165, Jul. 2011.
  18. K. Takeuchi, M. Vehkaperä, T. Tanaka, and R. R. Müller, "Performance Analysis of Optimal Channel Estimation and Multiuser Detection in a Randomly-Spread CDMA Channel," J. Syst. Sci. & Complexity, vol. 23, no. 1, pp. 22-34, Feb. 2010.
  19. K. Takeuchi, T. Tanaka, and T. Yano, "Asymptotic Analysis of General Multiuser Detectors in MIMO DS-CDMA Channels," IEEE J. Sel. Areas Commun., vol. 26, no. 3, pp. 486-496, Apr. 2008. (IEEE Kansai Section Student Paper Award)
  20. K. Takeuchi and T. Tanaka, "Statistical-Mechanics-Based Analysis of Multiuser MIMO Channels with Linear Dispersion Codes," J. Phys.: Conf. Ser., vol. 95, no. 1, pp. 012008--1-11, 2008.
  21. A. -H. Sato, K. Takeuchi, and T. Hada, "Phase Transitions on an Array of Double-Threshold Noisy Devices with a Positive Feedback," Phys. Lett. A, vol. 346, no. 1-3, pp. 27-32, 2005.

International Conferences

  1. K. Takeuchi, "A Unified Framework of State Evolution for Message-Passing Algorithms," in Proc. 2019 IEEE Int. Symp. Inf. Theory, Paris, France, pp. 151-155, Jul. 2019.
  2. K. Takeuchi and C.-K. Wen, "Rigorous Dynamics of Expectation-Propagation Signal Detection via the Conjugate Gradient Method," in Proc. 18th IEEE Int. Workshop Sig. Process. Advances Wirel. Commun. (SPAWC 2017), Sapporo, Japan, pp. 88-92, Jul. 2017.(Invited paper)
  3. S. Zhang, C.-K. Wen, K. Takeuchi, and S. Jin, "Orthogonal Approximate Message Passing for GFDM Detection," in Proc. 18th IEEE Int. Workshop Sig. Process. Advances Wirel. Commun. (SPAWC 2017), Sapporo, Japan, pp. 695-699, Jul. 2017.
  4. K. Takeuchi, "Rigorous Dynamics of Expectation-Propagation-Based Signal Recovery from Unitarily Invariant Measurements," in Proc. 2017 IEEE Int. Symp. Inf. Theory, Aachen, Germany, pp. 501-505, Jun. 2017.
  5. K. Takeuchi, "A Generalization of Threshold Saturation: Application to Spatially Coupled BICM-ID," in Proc. 2014 IEEE Int. Symp. Inf. Theory, Honolulu, HI, USA, pp. 2316-2320, Jul. 2014.
  6. R. Ohashi, K. Kasai, and K. Takeuchi, "Multi-Dimensional Spatially-Coupled Codes," in Proc. 2013 IEEE Int. Symp. Inf. Theory, Istanbul, Turkey, pp. 2448-2452, Jul. 2013.
  7. K. Takeuchi, R. R. Müller, and T. Kawabata, "Large-System Analysis of Joint User Selection and Vector Precoding with Zero-Forcing Transmit Beamforming for MIMO Broadcast Channels," in Proc. 2012 Int. Symp. Inf. Theory and its Appl., Honolulu, HI, USA, pp.245-249, Oct. 2012.
  8. K. Takeuchi, R. R. Müller, and M. Vehkaperä, "A Construction of Turbo-Like Codes for Iterative Channel Estimation Based on Probabilistic Bias," in Proc. IEEE Global Telecommunications Conference (GLOBECOM 2011), Houston, TX, USA, Dec. 2011.
  9. K. Takeuchi, T. Tanaka, and T. Kawabata, "Improvement of BP-Based CDMA Multiuser Detection by Spatial Coupling," in Proc. 2011 IEEE Int. Symp. Inf. Theory, Saint Petersburg, Russia, pp. 1489-1493, Aug. 2011.
  10. K. Takeuchi, R. R. Müller, M. Vehkaperä, and T. Tanaka, "An Achievable Rate of Large Block-Fading MIMO Systems with No CSI via Successive Decoding," in Proc. 2010 Int. Symp. Inf. Theory and its Appl & 2010 Int. Symp. Spread Spectrum Tech. and Appl., Taichung, Taiwan, pp. 519-524, Oct. 2010.
  11. M. Vehkaperä, K. Takeuchi, R. R. Müller, and T. Tanaka, "Iterative Channel Estimation, Detection, and Decoding in Large CDMA Systems," in Proc. 6th Int. Symp. Turbo Codes & Iterative Inf. Processing, Brest, France, pp.16-23, Sep. 2010. (Invited paper without review)
  12. M. Vehkaperä, K. Takeuchi, R. R. Müller, and T. Tanaka, "Analysis of Large MIMO DS-CDMA Systems with Imperfect CSI and Spatial Correlation," in Proc. 2010 IEEE Int. Symp. Inf. Theory, Austin, TX, USA, pp. 2098-2102, Jun. 2010.
  13. M. Vehkaperä, K. Takeuchi, R. R. Müller, and T. Tanaka, "How Much Training Is Needed for Iterative Multiuser Detection and Decoding?" in Proc. IEEE Global Telecommunications Conference (GLOBECOM 2009) , Honolulu, HI, USA, Nov. 2009.
  14. K. Takeuchi, R. R. Müller, M. Vehkaperä, and T. Tanaka, "Practical Signaling with Vanishing Pilot-Energy for Large Noncoherent Block-Fading MIMO Channels," in Proc. 2009 IEEE Int. Symp. Inf. Theory, Seoul, Korea, pp. 759-763, Jun. 2009.
  15. M. Vehkaperä, K. Takeuchi, R. R. Müller, and T. Tanaka, "Iterative Channel and Data Estimation: Framework and Analysis via Replica Method," in Proc. 2009 IEEE Int. Symp. Inf. Theory, Seoul, Korea, pp. 2689-2693, Jun. 2009.
  16. K. Takeuchi, R. R. Müller, M. Vehkaperä, and T. Tanaka, "A New Signaling Scheme for Large DS-CDMA Channels without CSI," in 2nd Workshop on Physics-Inspired Paradigms in Wireless Communications and Networks (Physcomnet 2009) (published in Proc. 7th Model. & Opt. Mob. Ad-Hoc Wireless Net. (Wiopt 2009)), Seoul, Korea, Jun. 2009. (Invited paper without review)
  17. M. Vehkaperä, K. Takeuchi, R. R. Müller, and T. Tanaka, "On Asymptotic Performance of Iterative Channel and Data Estimation in Large DS-CDMA Systems," in 2nd Workshop on Physics-Inspired Paradigms in Wireless Communications and Networks (Physcomnet 2009) (published in Proc. 7th Model. & Opt. Mob. Ad-Hoc Wireless Net. (Wiopt 2009)), Seoul, Korea, Jun. 2009. (Invited paper without review)
  18. K. Takeuchi, "Optimal Amount of Pilot Information for MIMO Channel Estimation," Joint Workshop of Beijing, Hong Kong and Kyoto on Computational Mathematics, Computer and Systems Sciences (CMCSS) 2009, Kyoto, Japan, Mar. 2009. (without review)
  19. K. Takeuchi, M. Vehkaperä, T. Tanaka, and R. R. Müller, "Asymptotic Performance Bounds of Joint Channel Estimation and Multiuser Detection in Frequency-Selective Fading DS-CDMA Channels," in Proc. 2008 Int. Symp. Inf. Theory and its Appl., Auckland, New Zealand, pp. 359-364, Dec. 2008.
  20. M. Vehkaperä, K. Takeuchi, R. R. Müller, and T. Tanaka, "Asymptotic Analysis of Iterative Channel Estimation and Multiuser Detection with Soft Feedback in Multipath Channels," in Proc. 16th Euro. Signal Process. Conf., Lausanne, Switzerland, Aug. 2008.
  21. K. Takeuchi, M. Vehkaperä, T. Tanaka, and R. R. Müller, "Replica Analysis of General Multiuser Detection in MIMO DS-CDMA Channels with Imperfect CSI," in Proc. 2008 IEEE Int. Symp. Inf. Theory, Toronto, Canada, pp. 514-518, Jul. 2008.
  22. K. Takeuchi, "Large-System Analysis of MIMO-CDMA Channels with Imperfect Channel State Information," Chinese Academy of Science-Kyoto University Joint Workshop on Mathematical Methods for Informatics, Engineering and Management, Beijing, China, Mar. 2008 (without review).
  23. K. Takeuchi and T. Tanaka, "Statistical-Mechanics-Based Analysis of a Random Vector Channel with a Hierarchical Structure," in Proc. International Workshop on Statistical-Mechanical Informatics 2007, pp. 45-54, Kyoto, Japan, Sep. 2007. (Invited paper without review)
  24. K. Takeuchi and T. Tanaka, " Hierarchical Decoupling Principle of a MIMO-CDMA Channel in Asymptotic Limits," in Proc. 2007 IEEE Int. Symp. Inf. Theory, Nice, France, pp. 1271-1275, Jun. 2007.
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