Seiha Homma, Yuta Ida, Yasuaki Ohira, Sho Kuroda, Takahiro Matsumoto .  Study on Effective CSI Feature Extraction and Deep Learning Based Indoor Positioning Method .  Proc. of the 20th IEEE Asia Pacific Wireless Communications Symposium (APWCS2024) ( SA(3)-4 ) 1 - 5   2024.8Study on Effective CSI Feature Extraction and Deep Learning Based Indoor Positioning MethodReviewed

Makoto ONITSUKA, Takahiro MATSUMOTO, Yasuaki OHIRA, Hideyuki TORII, Yuta IDA .  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   2024.2Study on Digital Watermarking Using PPM Method Based on Two-Dimensional ZCZ SequencesReviewed

Yasuaki OHIRA, Takahiro MATSUMOTO, Hideyuki TORII, Yuta IDA .  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   2024.2Study on Generation Method of Optical ZCZ Sequence with ZCZ Size of 2^n(2z-1)Reviewed

Yasuaki OHIRA, Takahiro MATSUMOTO, Hideyuki TORII, Yuta IDA .  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   2024.2Study on Generation Method of 2D Optical ZCZ Sequences Suitable for 2D-PPM-OCDMAReviewed

Hayato MATSUSHITA, Yuta IDA, Kazuki MARUTA, Yasuaki OHIRA, Sho KURODA, Takahiro MATSUMOTO .  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   2023.102D Mesh Image Subcarrier Assignment for MUDiv/OFDMA with Convolutional Neural NetworksReviewed

Koichiro MIZOZOE, Takahiro MATSUMOTO, Yasuaki OHIRA, Hideyuki TORII, Yuta IDA .  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   2023.10Study on Robustness to Optical Diffusion on Undersea Optical CDMA System Using 2D Optical ZCZ SequencesReviewed

Ryu YOSHIMURA, Yuta IDA, Kazuki MARUTA, Yasuaki OHIRA, Sho KURODA, Takahiro MATSUMOTO .  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   2023.10Deep Neural Networks Based on QRM-MLD for SD-SM-MIMOReviewed

Yasuaki OHIRA, Takahiro MATSUMOTO, Hideyuki TORII, Yuta IDA .  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   2022.2Construction of Optical ZCZ Sequence Set with the Zero-Correlation Zone 2^z Suitable for PPM-OCDMA SystemReviewed

Yasuaki OHIRA, Takahiro MATSUMOTO, Hideyuki TORII, Yuta IDA, Shinya MATSUFUJI .  A Compact Matched Filter Bank for an Optical ZCZ Sequence Set with Zero-Correlation Zone 2^z .  IEICE Trans. FundamentalsE101-A ( 1 ) 195 - 198   2018.1A Compact Matched Filter Bank for an Optical ZCZ Sequence Set with Zero-Correlation Zone 2^zReviewed

Yasuaki OHIRA, Takahiro MATSUMOTO, Hideyuki TORII, Yuta IDA, Shinya MATSUFUJI .  Code Generator for Optical ZCZ Sequence with Zero-Correlation Zone 2^z .  Journal of Signal Processing21 ( 6 ) 265 - 272   2017.11Code Generator for Optical ZCZ Sequence with Zero-Correlation Zone 2^zReviewed

Yasuaki OHIRA, Takahiro MATSUMOTO, Hideyuki TORII, Yuta IDA, Shinya MATSUFUJI .  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   2017.9Construction of Code Generator for Optical ZCZ Sequence Used as Synchronization SymbolReviewed

Tomoaki HIROSAWA, Yasuaki OHIRA, Takahiro MATSUMOTO, Hideyuki TORII, Yuta IDA, Shinya MATSUFUJI .  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   2017.9Study on BER Performance of Optical Wireless Code-Shift Keying System Using Compact Matched Filter Bank for Optical ZCZ Sequence SetReviewed

Takahiro MATSUMOTO, Masanori KURASHITA, Yasuaki OHIRA, Hideyuki TORII, Yuta IDA, Shinya MATSUFUJI .  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   2017.9Influence of ISI on Synchronous OCDMA System Using an Optical ZCZ Sequence Set on a Diffuse ChannelReviewed

Sho ADACHI, Yasuaki OHIRA, Takahiro MATSUMOTO, Hideyuki TORII, Yuta IDA, Shinya MATSUFUJI .  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   2017.9Experimental Evaluation of Optical ZCZ-CDMA System on the MoveReviewed

Yasuaki OHIRA, Kahori OGASHIWA, Satoshi MURANAGA, Takahiro MATSUMOTO, Hiroo NAITOH .  A Questionnaire System for Institutional Research .  Information Engineering Express3 ( 1 ) 9 - 18   2017.3A Questionnaire System for Institutional ResearchReviewed

Yasuaki OHIRA, Takahiro MATSUMOTO, Hideyuki TORII, Yuta IDA, Shinya MATSUFUJI .  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   2017.3Construction of a Code Generator for an Optical ZCZ Sequence with Zero-Correlation Zone 2^zReviewed

Yasuaki OHIRA, Kahori OGASHIWA, Satoshi MURANAGA, Takahiro MATSUMOTO, Hiroo NAITOH .  A Development of a Questionnaire System for Institutional Research .  Proc. of the 5th International Congress on Advanced Applied Informatics (IIAI-AAI2016)   505 - 508   2016.7A Development of a Questionnaire System for Institutional ResearchReviewed

Yasuaki OHIRA, Takahiro MATSUMOTO, Hideyuki TORII, Yuta IDA, Shinya MATSUFUJI .  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   2016.3Study on Construction of a Matched Filter Bank for an Optical ZCZ Sequence Set with Zero-Correlation Zone 2^zReviewed

Takahiro MATSUMOTO, Yasuaki OHIRA, Hideyuki TORII, Yuta IDA, Shinya MATSUFUJI .  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   2014.3Study on BER Performance of Atmospheric Optical ZCZ-CDMA System Using Equal Gain CombiningReviewed

Takahiro MATSUMOTO, Yasuaki OHIRA, Satoshi MURANAGA, Hideyuki TORII, Yuta IDA, Shinya MATSUFUJI .  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   2013.10Trial of Free-Space Parallel Transmission System Based on Optical ZCZ-CDMA SystemReviewed