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ORCIDTohru Kohda
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2010 – 2019
- 2014
[c32]Yutaka Jitsumatsu, Tohru Kohda:
Digital Phase Updating Loop and Delay-Doppler Space Division Multiplexing for Higher Order MPSK. MACOM 2014: 1-15- [c31]Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara:
Phase-tuned layers with multiple 2D SS codes realize 16PSK communication. WCNC 2014: 457-462 - 2013
- [j21]Ali Gamal Hafez, Mostafa Rabie, Tohru Kohda:
Detection of precursory signals in front of impulsive P-waves. Digit. Signal Process. 23(3): 1032-1039 (2013) - [j20]Ali Gamal Hafez, Mostafa Rabie, Tohru Kohda:
Seismic noise study for accurate P-wave arrival detection via MODWT. Comput. Geosci. 54: 148-159 (2013) - [c30]Yutaka Jitsumatsu, Tohru Kohda, Kazuyuki Aihara:
Spread spectrum-based cooperative and individual time-frequency synchronization. ISWCS 2013: 1-5 - [c29]Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara:
Recovering noncoherent MPSK signal with unknown delay and Doppler using its ambiguity function. ITST 2013: 255-260 - [c28]Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara:
Signals that can be easily time-frequency synchronized from their ambiguity function. ITW 2013: 1-5 - [c27]Yutaka Jitsumatsu, Tohru Kohda, Kazuyuki Aihara:
Delay-Doppler Space Division-Based Multiple-Access Solves Multiple-Target Detection. MACOM 2013: 39-53 - [c26]Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara:
Gabor Division/Spread Spectrum System Is Separable in Time and Frequency Synchronization. VTC Fall 2013: 1-5 - [c25]Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara:
PLL-free receiver for Gabor division/spread spectrum system. WiMob 2013: 645-652 - 2012
- [j19]Tohru Kohda, Yoshihiko Horio, Yoichiro Takahashi, Kazuyuki Aihara:
Beta encoders: Symbolic Dynamics and Electronic Implementation. Int. J. Bifurc. Chaos 22(9) (2012) - [c24]Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara:
Frequency-division spread-spectrum makes frequency synchronisation easy. GLOBECOM 2012: 3952-3958 - [c23]Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara:
Frequency synchronisation using SS technique. ISWCS 2012: 855-859 - [c22]Yutaka Jitsumatsu, Tohru Kohda, Kazuyuki Aihara:
Welch Bound for Bandlimited and Timelimited Signals. SETA 2012: 269-278 - 2011
- [c21]Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara:
2D Markovian SS codes flatten time-frequency distribution of signals in asynchronous Gabor division CDMA systems. ICASSP 2011: 3140-3143 - 2010
- [j18]Ali Gamal Hafez, Muhammad Tahir Abbas Khan, Tohru Kohda:
Clear P-wave arrival of weak events and automatic onset determination using wavelet filter banks. Digit. Signal Process. 20(3): 715-723 (2010)
2000 – 2009
- 2009
- [j17]Ali Gamal Hafez, Tahir Abbas Khan, Tohru Kohda:
Earthquake onset detection using spectro-ratio on multi-threshold time-frequency sub-band. Digit. Signal Process. 19(1): 118-126 (2009) - 2008
- [j16]Nobuoki Eshima, Tohru Kohda:
Low-Complexity Code Acquisition Method in DS/CDMA Communication Systems: Application of the Maximum Likelihood Method to Propagation Delay Estimation. IEICE Trans. Commun. 91-B(5): 1472-1479 (2008) - [c20]Yutaka Jitsumatsu, Tohru Kohda:
Quasi-Orthogonal Multi-Carrier CDMA. GLOBECOM 2008: 1157-1161 - [c19]Yutaka Jitsumatsu, Tohru Kohda:
Prolate spheroidal wave functions induce Gaussian chip waveforms. ISIT 2008: 1363-1367 - [i1]Tohru Kohda, Satoshi Hironaka, Kazuyuki Aihara:
Negative Beta Encoder. CoRR abs/0808.2548 (2008) - 2007
- [j15]Ryuichi Hane, Tohru Kohda:
Cryptanalysis of Chaos-Based ElGamal Public-Key Encryption. Int. J. Bifurc. Chaos 17(10): 3619-3623 (2007) - [j14]Asuka Ono, Tohru Kohda:
Solvable Three-Dimensional Rational Chaotic Map Defined by Jacobian Elliptic Functions. Int. J. Bifurc. Chaos 17(10): 3645-3650 (2007) - [j13]Nobuoki Eshima, Tohru Kohda, Minoru Tabata
:
Statistical solution to the capacity problem in direct-sequence code-division multiple-access communication systems. IMA J. Math. Control. Inf. 24(3): 289-298 (2007) - [c18]Yutaka Jitsumatsu, Tohru Kohda:
Welch Bound for FIR Lowpass Filtered Sequences. ISIT 2007: 2506-2509 - 2006
- [j12]Nobuoki Eshima, Tohru Kohda:
Statistical approach to the code acquisition problem in direct-sequence spread-spectrum communication systems. IMA J. Math. Control. Inf. 23(2): 149-163 (2006) - [c17]Yutaka Jitsumatsu, Tahir Abbas Khan, Tohru Kohda:
Gaussian Chip Waveform Together with Markovian Spreading Codes Improve BER Performance in Chip-Asynchronous CDMA Systems. GLOBECOM 2006 - [c16]Yutaka Jitsumatsu, Tohru Kohda:
Gaussian chip shaping enhances the superiority of Markovian codes in DS/CDMA systems. ISCAS 2006 - [c15]Yutaka Jitsumatsu, Tohru Kohda:
A lower bound on the mean squared correlations for band-limited asynchronous DS/CDMA systems. ISIT 2006: 1524-1528 - [c14]Yutaka Jitsumatsu, Tohru Kohda:
Chip-Asynchronous Version of Welch Bound: Gaussian Pulse Improves BER Performance. SETA 2006: 351-363 - 2005
- [j11]Tohru Kohda:
Special Section on Nonlinear Theory and its Applications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 88-A(10): 2483 (2005) - [j10]Tahir Abbas Khan, Nobuoki Eshima, Yutaka Jitsumatsu, Tohru Kohda:
Code Acquisition in DS/CDMA Systems by Employing a Detector Based on a posteriori Probability Calculation. IEICE Trans. Commun. 88-B(10): 4047-4055 (2005) - [c13]Yutaka Jitsumatsu, Tohru Kohda:
Design of code-matched receiver for DS/CDMA communications. ISCAS (2) 2005: 884-887 - [c12]Aya Kato, Tohru Kohda:
Solvable 2-dimensional rational chaotic map defined by Jacobian elliptic functions. ISCAS (2) 2005: 1477-1480 - [c11]Tohru Abbas Khan, Nobuoki Eshima, Yutaka Jitsumatsu, Tohru Kohda:
A novel code acquisition algorithm and its application to Markov spreading codes. ISCAS (3) 2005: 2056-2059 - 2004
- [c10]Tomohiro Yoshimura, Tohru Kohda:
Resonance properties of Chebyshev chaotic sequences. ISCAS (4) 2004: 573-576 - [c9]Nobuoki Eshima, Yutaka Jitsumatsu, Tohru Kohda:
Markovian SS codes imply inversion-free code acquisition in asynchronous DS/CDMA systems. ISCAS (4) 2004: 617-620 - [c8]Tohru Kohda:
Statistical properties of chaotic sequences generated by Jacobian elliptic Chebyshev rational maps. ISCAS (5) 2004: 648-651 - 2003
- [j9]Kiyoaki Yoshida, Yasumasa Sujaku, Tohru Kohda:
A Recursive Procedure for Designing Optimal d-Matched Digraphs. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 86-A(5): 1266-1274 (2003) - [j8]Yasutada Oohama, Mariko Suemitsu, Tohru Kohda:
Construction of a Piecewise Linear One-Dimensional Map Generating an Arbitrary Prescribed Tree Source. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 86-A(9): 2251-2255 (2003) - [j7]Kiyoaki Yoshida, Yasumasa Sujaku, Tohru Kohda:
Number of mutual connections in neighborhoods and its application to self-diagnosable systems. Inf. Process. Lett. 88(3): 89-94 (2003) - [c7]Tohru Kohda, Yutaka Jitsumatsu, Tahir Abbas Khan:
Spread-spectrum Markovian-code acquisition in asynchronous DS/CDMA systems. ISCAS (3) 2003: 750-753 - 2002
- [j6]Yasutada Oohama, Tohru Kohda:
Statistical Properties of Chaotic Binary Sequences Generated by One-Dimensional Maps. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 85-A(9): 1993-2002 (2002) - [j5]Tohru Kohda:
Information sources using chaotic dynamics. Proc. IEEE 90(5): 641-661 (2002) - [c6]Kiyoaki Yoshida, Tohru Kohda, Yasumasa Sujaku:
Self-Organizing Systems with Self-Diagnosability. DSN 2002: 755-762 - 2001
- [c5]Tohru Kohda:
Constant Sum Implies Statistical Independence of Chaotic Sequences. SETA 2001: 228-241 - 2000
- [c4]Tohru Kohda, Hiroshi Fujisaki:
The Jacobian elliptic Chebyshev rational maps can generate sequences of i.i.d. random variables. ISCAS 2000: 221-224 - [c3]Tohru Kohda, Hiroshi Fujisaki, Shigeru Ideue:
On distributions of correlation values of spreading sequences based on Markov information sources. ISCAS 2000: 225-228
1990 – 1999
- 1998
- [c2]Tohru Kohda:
Sequences of I.I.D. Binary Random Variables Using Chaotic Dynamics. SETA 1998: 297-307 - 1997
- [j4]Eitaro Nishihara, Hiroyuki Kura, Gen Kubota, Tohru Kohda:
Control method for preloading with priority information in an integrated radiology information system/picture archiving and communication system. J. Digit. Imaging 10(1): 27-33 (1997) - [j3]Tohru Kohda, Akio Tsuneda:
Statistics of chaotic binary sequences. IEEE Trans. Inf. Theory 43(1): 104-112 (1997) - 1994
- [j2]Kenji Murao, Tohru Kohda:
Switched capacitor circuit for 1/f noise generation using a power-law circuit. Int. J. Circuit Theory Appl. 22(3): 221-232 (1994) - [j1]Tohru Kohda:
A Simple Discriminator for Identifying Faults in Highly Structured Diagnosable Systems. J. Circuits Syst. Comput. 4(3): 255-278 (1994)
1980 – 1989
- 1988
- [c1]Tohru Kohda, Ken-ichi Abiru:
A recursive procedure for optimally designing a hybrid fault diagnosable system. FTCS 1988: 272-277
Coauthor Index
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