| 2014 | WCNC | Phase-tuned layers with multiple 2D SS codes realize 16PSK communication. | Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara |
| 2013 | ITW | Signals that can be easily time-frequency synchronized from their ambiguity function. | Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara |
| 2013 | VTC | Gabor Division/Spread Spectrum System Is Separable in Time and Frequency Synchronization. | Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara |
| 2013 | WiMob | PLL-free receiver for Gabor division/spread spectrum system. | Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara |
| 2012 | GLOBECOM | Frequency-division spread-spectrum makes frequency synchronisation easy. | Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara |
| 2012 | SETA | Welch Bound for Bandlimited and Timelimited Signals. | Yutaka Jitsumatsu, Tohru Kohda, Kazuyuki Aihara |
| 2011 | ICASSP | 2D Markovian SS codes flatten time-frequency distribution of signals in asynchronous Gabor division CDMA systems. | Tohru Kohda, Yutaka Jitsumatsu, Kazuyuki Aihara |
| 2008 | GLOBECOM | Quasi-Orthogonal Multi-Carrier CDMA. | Yutaka Jitsumatsu, Tohru Kohda |
| 2008 | ISIT | Prolate spheroidal wave functions induce Gaussian chip waveforms. | Yutaka Jitsumatsu, Tohru Kohda |
| 2007 | ISIT | Welch Bound for FIR Lowpass Filtered Sequences. | Yutaka Jitsumatsu, Tohru Kohda |
| 2006 | GLOBECOM | Gaussian Chip Waveform Together with Markovian Spreading Codes Improve BER Performance in Chip-Asynchronous CDMA Systems. | Yutaka Jitsumatsu, Tahir Abbas Khan, Tohru Kohda |
| 2006 | ISCAS | Gaussian chip shaping enhances the superiority of Markovian codes in DS/CDMA systems. | Yutaka Jitsumatsu, Tohru Kohda |
| 2006 | ISIT | A lower bound on the mean squared correlations for band-limited asynchronous DS/CDMA systems. | Yutaka Jitsumatsu, Tohru Kohda |
| 2006 | SETA | Chip-Asynchronous Version of Welch Bound: Gaussian Pulse Improves BER Performance. | Yutaka Jitsumatsu, Tohru Kohda |
| 2005 | ISCAS | Design of code-matched receiver for DS/CDMA communications. | Yutaka Jitsumatsu, Tohru Kohda |
| 2005 | ISCAS | Solvable 2-dimensional rational chaotic map defined by Jacobian elliptic functions. | Aya Kato, Tohru Kohda |
| 2005 | ISCAS | A novel code acquisition algorithm and its application to Markov spreading codes. | Tohru Abbas Khan, Nobuoki Eshima, Yutaka Jitsumatsu, Tohru Kohda |
| 2004 | ISCAS | Markovian SS codes imply inversion-free code acquisition in asynchronous DS/CDMA systems. | Nobuoki Eshima, Yutaka Jitsumatsu, Tohru Kohda |
| 2004 | ISCAS | Statistical properties of chaotic sequences generated by Jacobian elliptic Chebyshev rational maps. | Tohru Kohda |
| 2004 | ISCAS | Resonance properties of Chebyshev chaotic sequences. | Tomohiro Yoshimura, Tohru Kohda |
| 2003 | ISCAS | Spread-spectrum Markovian-code acquisition in asynchronous DS/CDMA systems. | Tohru Kohda, Yutaka Jitsumatsu, Tahir Abbas Khan |
| 2002 | DSN | Self-Organizing Systems with Self-Diagnosability. | Kiyoaki Yoshida, Tohru Kohda, Yasumasa Sujaku |
| 2001 | SETA | Constant Sum Implies Statistical Independence of Chaotic Sequences. | Tohru Kohda |
| 2000 | ISCAS | The Jacobian elliptic Chebyshev rational maps can generate sequences of i.i.d. random variables. | Tohru Kohda, Hiroshi Fujisaki |
| 2000 | ISCAS | On distributions of correlation values of spreading sequences based on Markov information sources. | Tohru Kohda, Hiroshi Fujisaki, Shigeru Ideue |
| 1998 | SETA | Sequences of I.I.D. Binary Random Variables Using Chaotic Dynamics. | Tohru Kohda |