Yasuaki OHIRA

Study on Digital Watermarking Using PPM Method Based on Two-Dimensional ZCZ Sequences 

Proc. of the 2024 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP2024), 27-30, Feb, 2024  Peer-reviewed

Study on Generation Method of 2D Optical ZCZ Sequences Suitable for 2D-PPM-OCDMA 

Proc. of the 2024 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP2024), 71-74, Feb, 2024  Peer-reviewedLead author

Study on Generation Method of Optical ZCZ Sequence with ZCZ Size of 2^n(2z-1) 

Proc. of the 2024 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP2024), 75-78, Feb, 2024  Peer-reviewedLead author

Study on Robustness to Optical Diffusion on Undersea Optical CDMA System Using 2D Optical ZCZ Sequences 

Proc. of the 2023 IEEE 12th Global Conference on Consumer Electronics (GCCE2023), (POS(4A)-18) 1094-1098, Oct, 2023  Peer-reviewed

Deep Neural Networks Based on QRM-MLD for SD-SM-MIMO 

Proc. of the 2023 IEEE 12th Global Conference on Consumer Electronics (GCCE2023), (RDM-4) 174-175, Oct, 2023  Peer-reviewed

2D Mesh Image Subcarrier Assignment for MUDiv/OFDMA with Convolutional Neural Networks 

Proc. of the 2023 IEEE 12th Global Conference on Consumer Electronics (GCCE2023), (RDM-3) 172-173, Oct, 2023  Peer-reviewed

Construction of Optical ZCZ Sequence Set with the Zero-Correlation Zone 2^z Suitable for PPM-OCDMA System 

Proc. of the 2022 International Conference on Advanced Communications Technology (ICACT2022), 106-111, Feb, 2022  Peer-reviewedLead author

A Compact Matched Filter Bank for an Optical ZCZ Sequence Set with Zero-Correlation Zone 2^z 

IEICE Trans. Fundamentals, E101-A(1) 195-198, Jan, 2018  Peer-reviewedLead author

Code Generator for Optical ZCZ Sequence with Zero-Correlation Zone 2^z 

Journal of Signal Processing, 21(6) 265-272, Nov, 2017  Peer-reviewedLead author

Construction of Code Generator for Optical ZCZ Sequence Used as Synchronization Symbol 

Proc. of the 2017 International Workshop on Smart Info-Media Systems in Asia (SISA2017), 283-288, Sep, 2017  Peer-reviewedLead author

Study on BER Performance of Optical Wireless Code-Shift Keying System Using Compact Matched Filter Bank for Optical ZCZ Sequence Set 

Proc. of the 2017 International Workshop on Smart Info-Media Systems in Asia (SISA2017), 244-248, Sep, 2017  Peer-reviewed

Experimental Evaluation of Optical ZCZ-CDMA System on the Move 

Proc. of the 2017 International Workshop on Smart Info-Media Systems in Asia (SISA2017), 229-233, Sep, 2017  Peer-reviewed

Influence of ISI on Synchronous OCDMA System Using an Optical ZCZ Sequence Set on a Diffuse Channel 

Proc. of the 8th International Workshop on Signal Design and Its Applications in Communications (IWSDA'17), 159-163, Sep, 2017  Peer-reviewed

A Questionnaire System for Institutional Research 

Information Engineering Express, 3(1) 9-18, Mar, 2017  Peer-reviewedLead author

Construction of a Code Generator for an Optical ZCZ Sequence with Zero-Correlation Zone 2^z 

Proc. of the 2017 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'17), 361-364, Mar, 2017  Peer-reviewedLead author

A Development of a Questionnaire System for Institutional Research 

Proc. of the 5th International Congress on Advanced Applied Informatics (IIAI-AAI2016), 505-508, Jul, 2016  Peer-reviewedLead author

Study on Construction of a Matched Filter Bank for an Optical ZCZ Sequence Set with Zero-Correlation Zone 2^z 

Proc. of the 2016 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'16), 363-366, Mar, 2016  Peer-reviewedLead author

Study on BER Performance of Atmospheric Optical ZCZ-CDMA System Using Equal Gain Combining 

Proc. of the 2014 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'14), 521-524, Mar, 2014  Peer-reviewed

Trial of Free-Space Parallel Transmission System Based on Optical ZCZ-CDMA System 

Proc. of the 6th International Workshop on Signal Design and Its Applications in Communications (IWSDA'13), 84-87, Oct, 2013  Peer-reviewed