| Published Papers |
| No. | Title, Author, Journal, Vol( No), Start Page- End Page, Date of publication, DOI, URL
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| 1 | A coded modulation scheme for 64-QAM with a matched mapping, Tatsumi Konishi, International Symposium on Information Theory and Its Applications, , , Oct. 2014, ,
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| 2 | Novel 64QAM Space-Time Codes Using a Large Number of Receive Antennas, Tatsumi Konishi, International Symposium on Information Theory and Its Applications, , , Oct. 2012, ,
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| 3 | A search for practical space-time codes, Tatsumi Konishi, The 9th IEEE VTS Asia Pacific Wireless Communications Symposium, , , Aug. 2012, ,
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| 4 | Full-Rate STBC/SFBC Using Cyclic Groups, Tatsumi Konishi, IEICE-J95-B(1), , , Jan. 2012, ,
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| 5 | High-rate full-diversity space-frequency codes for MIMO-OFDM, Tatsumi Konishi, IEICE-J91-B(6), 91( 6), 706- 710, Jun. 2008, ,  |
| 6 | Near optimal differential unitary space-time codes using Bruhat decomposition for four transmit antennas, Tatsumi Konishi, International Symposium on Information Theory and Its Applications Italy, , , Oct. 2004, ,
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| 7 | Differential Space-time Codes with Four TransmitAntennas, Tatsumi Konishi, International Symposium on Wireless Communication Systems, , , Sep. 2004, ,
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| 8 | Fully-Diverse Unitary Subgroups Space-Time Codes, Tatsumi Konishi, The 57th IEEE Semiannual Vehicular Technology Conference, , , 2003, 10.1109/ICTEL.2003.1191623, |
| 9 | Variable rate MPSK coded modulation using convolutional codes over modules, T Konishi,M Yokoyama,H Uehara,H Ito, ELECTRONICS AND COMMUNICATIONS IN JAPAN PART III-FUNDAMENTAL ELECTRONIC SCIENCE, 86( 4), 20- 25, 2003, https://doi.org/10.1002/ecjc.10049, |
| 10 | Unitary Space-Time Codes and Double Coset Decompositions, Tatsumi Konishi, International Symposium on Information Theory and Its Applications, , , Oct. 2002, ,
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| 11 | Variable Rate MPSK Coded Modulation Using Convolutional Codes over Modules, Tatsumi Konishi, IEICE-J-85-A(3), Vol.J85-A,No.3 pp.334-339, , Mar. 2002, ,
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| 12 | Variable Rate MPSK Coded Modulation Using Convolutional Codes over Modules, Tatsumi Konishi Mitsuo Yokoyama Hideyuki Uehara Hiro Ito, IEICE-J-85-A(3), Vol.J85-A,No.3 pp.334-339( 3), 729- 730, Mar. 2002, ,
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| 13 | Convolutional Codes over Rings for Rayleigh Fading Channels, Tatsumi Konishi,Mitsuo Yokoyama,Hideyuki Uehara, IEICE-J84-A(6), 84( 6), 834- 839, Jun. 2001, , |
| 14 | Convolutional Codes over Rings for Rayleigh Fading Channels, Tatsumi Konishi, IEICE-J84-A(6), 84( 6), 834- 839, Jun. 2001, , |
| 15 | Convolutional codes over rings for fading channels, Tatsumi Konishi, International Symposium on Information Theory and Its Applications, , , Nov. 2000, ,
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| 16 | On the Performance of the Trellis Coded Modulation over the Groups, Tatsumi Konishi, IEICE-J81-A(3), J81-A( 3), 422- 427, Mar. 1998, ,
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| 17 | A Construction of Codes for Star 16QAM Combined Phase and Amplitude Differential Coding System, Tatsumi Konishi, IEICE-J78-A(4), J78-A( 4), 535- 539, Apr. 1995, ,
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| MISC |
| No. | Title, Author, Journal, Vol( No), Start Page- End Page, Date of publication, URL
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| 1 | Performance Analysis of MIMO Communication Using Decomposition of Grassmann Manifold, Tatsumi Konishi,Naotaka Miyaji, , 45, , Nov. 2022,
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| 2 | Sparse Spatial Modulation Scheme Effective for Ultrafast Mobile Communications, Tatsumi Konishi,Naotaka Miyaji, , , , Oct. 2022,
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| 3 | Sparse Spatial Modulation Scheme Effective for Ultrafast Mobile Communications, Tatsumi Konishi, Naotaka Miyaji, , , , Oct. 2022,
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| 4 | A study on noncoherent multi-resolution MIMO communications, Tatsumi Konishi, , , , Mar. 2022,
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| 5 | Non-Coherent MIMO Communication Methods Using Schubert Cell Decomposition, Tatsumi Konishi, , , , Dec. 2021,
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| 6 | A study on Non-Coherent MIMO Codes Using the Property of Manifolds, Tatsumi Konishi, , , , Aug. 2021,
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| 7 | Performance analysis of spatial signal vectors over Nakagami fading channels, Tatsumi Konishi, Hiroyuki Nakano, Yoshikazu Yano, Michihiro Aoki, , , , Oct. 2020,
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| 8 | Performance comparison of integer spatial codes, spatial multiplexing and spatial modulation for line-of-sight communication, Tatsumi Konishi, Hiroyuki Nakano, Yoshikazu Yano, Michihiro Aoki, , , , Jan. 2020,
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| 9 | A Study on Codes Over Grassmannian for MIMO Communications, Tatsumi Konishi, Hiroyuki Nakano, Yoshikazu Yano, Michihiro Aoki, , , , Dec. 2019,
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| 10 | MIMO Coding Using Schubert Cell Over the Grassmann Manifold, Tatsumi Konishi, Hiroyuki Nakano, Yoshikazu Yano, Michihiro Aoki, , , , Nov. 2019,
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| 11 | Characteristic of spatial codes using the Euclidean distance mapping and comparison with spatial modulation, Tatsumi Konishi, , , , Aug. 2019,
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| 12 | Effective Use of Frequency Band Using Superposed Non-Binary Convolutional codes, Tatsumi Konishi, IEICE Technical Report RCS2018-295, , , Mar. 2019,
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| 13 | A Study on Superposed Non-binary Convolutional Codes for NOMA, KONISHI Tatsumi, IEICE Technical Report RCS2018-280, , , Jan. 2019,
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| 14 | Performance of Integer Spatial Codes for MIMO Channels, Tatsumi Konishi, The 41th Symposium on Information Theory and its Applications, , , Dec. 2018,
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| 15 | Performance of Integer Spatial Codes over Nakagami-Rice Fading Channels, Syunya Yoshikawa, Tatsumi Konishi, IEICE Technical Report RCS2018-175, , , Oct. 2018,
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| 16 | A Study on Integer Spatial Codes for MIMO Channels, Tatsumi Konishi, IEICE Technical Report RCS2018-147, , , Aug. 2018,
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| 17 | A Study on Design Method of Integer Codes for Providing Good Transmit Diversity, Tatsumi Konishi, IEICE Technical Report RCS2017-399, , , Feb. 2018,
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| 18 | A Study on Superposed Non-binary Convolutional Codes for NOMA , , IEICE Technical Report RCS2018-280, , , Jan. 2018,
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| 19 | Transmit Diversity Technique Using Integer Codes, Tatsumi Konishi, The 40th Symposium on Information Theory and its Applications, , , Nov. 2017,
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| 20 | A Study on Transmit Diversity Using Integer Vector Codes, Tatsumi Konishi, IEICE Technical Report RCS2017-186, , , Oct. 2017,
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| 21 | Broadcasting in Massive MIMO Using Integer Space-Time Block Codes, Tatsumi Konishi, IEICE Technical Report RCS2017-32, , , May. 2017,
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| 22 | Space-Time Block Codes with Low PAPR, Tatsumi Konishi, IEICE Technical Report RCS2016-291, , , Mar. 2017,
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| 23 | A Study on Design Method of Integer Codes for Providing Good Transmit Diversity, , IEICE Technical Report RCS2017-399, , , Feb. 2017,
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| 24 | Full Diversity Space-Time Trellis Codes for High Spectral Efficiency MIMO Systems, Tatsumi Konishi, The 39th Symposium on Information Theory and its Applications, , , Dec. 2016,
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| 25 | Efficient Integer Space-Time Block Codes for PAPR, Tatsumi Konishi, The 39th Symposium on Information Theory and its Applications, , , Dec. 2016,
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| 26 | Performance of full diversity space-time trellis codes for 1024-QAM, Tatsumi Konishi, IEICE Technical Report RCS2016-37, , , Jun. 2016,
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| 27 | High-Order QAM Space-Time Codes for the Next Generation Terrestrial Broadcasting, Tatsumi Konishi, The 38th Symposium on Information Theory and its Applications, , , Nov. 2015,
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| 28 | A Study on 4096QAM Space-Time Codes for Next Generation Terrestrial Broadcasting, Tatsumi Konishi, IEICE Technical Report RCS2015-159, , , Oct. 2015,
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| 29 | Performance of 64/256QAM Space-Time Trellis Codes Using Matched Mappings, Tatsumi Konishi, IEICE Technical Report IT2015-24, , , Jul. 2015,
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| 30 | Search of 64/256QAM Space-Time Trellis Codes Using the Bit Error Rate, Tatsumi Konishi, IEICE Technical Report RCS2015-37, , , May. 2015,
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| 31 | High Rate MQAM Coded Modulation Scheme, Takato Suzuki, Tatsumi Konishi, IEICE Technical Report RCS2014-329, , , Mar. 2015,
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| 32 | Error Performance and Plotkin Bound of Nonbinary Convolutional Codes for a Trellis Coded MQAM, Tatsumi Konishi, The 37th Symposium on Information Theory and its Applications, , , Dec. 2014,
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| 33 | A coded modulation scheme for 64-QAM with a matched mapping, , International Symposium on Information Theory and Its Applications, , , Oct. 2014,
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| 34 | Distance Properties of Non-Binary Convolutional Codes for M-QAM Coded Modulation, Tatsumi Konishi, , , , Sep. 2014,
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| 35 | Design and Performance of 64-QAM Space-Time Trellis Codes, Tatsumi Konishi, , , , Jul. 2014,
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| 36 | 256-QAM space-time codes using matched mapping, Tatsumi Konishi, IEICE Technical Report RCS2014-18, , , Apr. 2014,
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| 37 | Performance and design of M-QAM linear coded modulation based on the Euclidean distances, Tatsumi Konishi, IEICE Technical Report IT2013-45, , , Jan. 2014,
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| 38 | Linear space-time codes based on trace norms, Tatsumi Konishi, The 36th Symposium on Information Theory and its Applications, , , Nov. 2013,
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| 39 | Study on the Euclidean Distance of codes M-QAM signal constellations, Tatsumi Konishi, IEICE Technical Report RCS2013-122, , , Jul. 2013,
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| 40 | Isometric Labeling for Signal Constellations, Tatsumi Konishi, The 35th Symposium of Information Theory and its Applications, , , Dec. 2012,
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| 41 | Novel 64QAM Space-Time Codes Using a Large Number of Receive Antennas, , International Symposium on Information Theory and Its Applications, , , Oct. 2012,
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| 42 | A search for practical space-time codes, , The 9th IEEE VTS Asia Pacific Wireless Communications Symposium, , , Aug. 2012,
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| 43 | Performance of High Rate Submatrix Space-Time Codes, Tatsumi Konishi, IEICE Technical Report RCS2012-114, , , Aug. 2012,
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| 44 | A Study on Effective Search for Space-Time Codes, Tatsumi Konishi, IEICE Technical Report IT2012-14, , , Jul. 2012,
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| 45 | Full-Rate Codes for MIMO and MIMO-OFDM, Tatsumi Konishi, The 35th Symposium on Information Theory and its Applications, , , Nov. 2011,
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| 46 | Performance comparison of 64QAM space-time block codes, Tatsumi Konishi, IEICE Technical Report RCS2011-227, , , Nov. 2011,
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| 47 | A Study of STBC/SFBC for 16QAM, Tatsumi Konishi, IEICE Technical Report RCS2011-22, , , May. 2011,
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| 48 | A Study of STBC/SFBC based on a Trace Criterion, Tatsumi Konishi, IEICE Technical Report RCS2010-189, , , Dec. 2010,
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| 49 | Variable-Rate Space-Frequency Block Codes, Tatsumi Konishi, IEICE Technical Report RCS2010-96, , , Aug. 2010,
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| 50 | On the BER Performance of Space-Frequency Coded MIMO-OFDM Systems, Tatsumi Konishi, IEICE Technical Report IT2010-7, , , Jul. 2010,
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| 51 | A Space- Frequency Code with High Diversity Product, Tatsumi Konishi, IEICE Technical Report RCS2009-206, , , Dec. 2009,
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| 52 | On the Performance of Space-Frequency Codes, Tatsumi Konishi, The 32th Symposium on Information Theory and its Applications, , , Dec. 2009,
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| 53 | AT-2-2 THE ROLE OF SPACE-FREQUENCY CODES IN MIMO-OFDM, Konishi Tatsumi, Proceedings of the Society Conference of IEICE, 2009, "SS- 39"-"SS-42", Sep. 1, 2009,
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| 54 | On a Study of Coding with Multiplicity-Free Representations, Tatsumi Konishi, , , , May. 2009,
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| 55 | A study on PAPR for Space-Frequency Coded MIMO-OFDM Systems, Tatsumi Konishi, IEICE Technical Report RCS2008-140, 108( 305), 59- 63, Nov. 2008, |
| 56 | Error rate performance comparison between unitary space-time codes and quasi-orthogonal space-time block codes, Yuji Murayama, Tatsumi Konishi, IEICE technical report, 108( 305), 53- 57, Nov. 2008, |
| 57 | A Study on 16QAM Space-Frequency Codes for MIMO-OFDM, KONISHI Tatsumi, IEICE Technical Report IT2008-1, , , May. 2008,
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| 58 | A Study of Multiuser Space-Frequency Codes for OFDMA, Tatsumi Konishi, IEICE Technical Report IT2007-66, , , Feb. 2008,
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| 59 | A Study on MIMO-OFDM Adaptive Modulation Systems, Tatsumi Konishi, The 30th Symposium on Information Theory and its Applications, , , Nov. 2007,
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| 60 | MIMO-OFDM Systems using High-Rate Full-Diversity Space-Frequency Codes, Tatsumi Konishi, IEICE Technical Report RCS2007-72, , , Aug. 2007,
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| 61 | A study on space-frequency codes for MIMO-OFDM system, Tatsumi Konishi, IEICE Technical Report IT2007-1, , , May. 2007,
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| 62 | 8PSK Differential Space-Time Codes for Low SNR, Tatsumi Konishi, IEICE Technical Report RCS2006-271, , , Feb. 2007,
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| 63 | A twistor theoretical approach to space-time codes, Tatsumi Konishi, IEICE Technical Report IT2006-42, , , Jul. 2006,
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| 64 | Differential Space-Time Codes for Correlatted Fading Channels, Tatsumi Konishi, The 27th Symposium of Information Theory and its Applications, , , Dec. 2004,
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| 65 | Unitary Space-Time Coding and its Applications, Tatsumi Konishi, IEICE Technical Report IT2003-68, , , Mar. 2004,
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| 66 | Differential Space-time Codes with Four TransmitAntennas, , International Symposium on Wireless Communication Systems, , , 2004,
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| 67 | Differential Symplectic Space-Time Codes, Tatsumi Konishi, The 26th Symposium on Information Theory and its Applications, , , Dec. 2003,
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| 68 | Fully-Diverse Unitary Subgroups Space-Time Codes, , 2003 International Conference on Telecommunications, , , 2003,
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| 69 | Fully-Diverse Unitary Subgroups Space-Time Codes, , The 57th IEEE Semiannual Vehicular Technology Conference, , , 2003,
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| 70 | Fully-Diverse Unitary Subgroup Space-Time Codes, Tatsumi Konishi, The 25th Symposium on Information Theory and its Applications, , , Dec. 2002,
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| 71 | Unitary Space-Time Codes and Double Coset Decompositions, , International Symposium on Information Theory and Its Applications, , , 2002,
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| 72 | Unitary Space-Time Codes and Lie Groups, Tatsumi Konishi, The 24th Symposium on Information Theory and its Applications, , , Dec. 2001,
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| 73 | MPSK Coded Modulation using Convolutional Codes over Ring for the Rayleigh fading channels, Tatsumi Konishi, The 22th Symposium on Information Theory and its Applications, , , Nov. 1999,
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| 74 | Coset Codes of Lattices Using Prime Ideals on Algebraic Number, Tatsumi Konishi, The 21th Symposium on Information Theory and its Applications, , , Dec. 1998,
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| 75 | On the Performance of the Trellis Group Coded Modulation over Nonabelian Groups, Tatsumi Konishi, The 19th Symposium on Information Theory and its Applications, , , Dec. 1996,
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| 76 | The Coded Modulation of the Non-Uniform Signal Set, Tatsumi Konishi, IEICE Technical Report IT95-46, , , Jan. 1996,
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| 77 | A Construction of Codes for Star 16QAM Combined Phase and Amplitude Differential coding System, Tatsumi Konishi, The 18th Symposium on Information Theory and its Applications, , , Oct. 1995,
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| 78 | Coding for Star 16QAM Signal Sets With Convolutional Codes over Groups, Tatsumi Konishi, IEICE Technical Report IT94-74, 94( 296), 25- 32, Oct. 1994,
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| 79 | Multidimensional Coded Modulation with Convolutional Codes over Integer Residue Rings, Tatsumi Konishi, IEICE Technical Report IT93-102, , , Apr. 1994,
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