Journal article (Reviewed)
- Shinya Matsufuji, Sho Kuroda, Yuta Ida, Takahiro Matsumoto, and Naoki Suehiro, ``Logic Functions of Polyphase Complementary Sets," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E106-A, no. 12, pp. 1475-1483, December 2023.
- Yuta Ida and Takahiro Matsumoto, ``Interleaved Block Subcarrier Allocation and Power Combination for Frequency Symbol Spreading Multiuser Diversity OFDMA," EURASIP Journal on Wireless Communications and Networking, vol. 2022, no. 49, doi: https://doi.org/10.1186/s13638-022-02131-5, pp. 1-23, June 2022.
- Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Generation Method of Two-Dimensional Optical ZCZ Sequences with High Correlation Peak Value," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E104-A, no. 2, pp. 417-421, February 2021.
- Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``Different Antenna Interleaved Allocation with Full and Divided WHT/DFT Spreading for HTRCI-MIMO/OFDM," IEICE Transactions on Communications, vol. E103-B, no. 12, pp. 1438-1446, December 2020.
- Sho Kuroda, Shinya Matsufuji, Takahiro Matsumoto, Yuta Ida, and Takafumi Hayashi, ``Design of Compact Matched Filter Banks of Polyphase ZCZ Codes," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E103-A, no. 9, pp. 1103-1110, September 2020.
- Naoya Murokawa, Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``CR-QRM-MLD for SD-SM Hybrid MIMO Systems," Transactions on Emerging Telecommunications Technologies, vol. 31, no. 8, doi: 10.1002/ett.3933, pp. 1-16, August 2020.
- Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``Compensation of Deteriorated CSI Allocation Due to Fast Fading and Feedback Delay Based on Turbo Decision Direct for MUDiv/OFDMA," IEICE Journal of Nonlinear Theory and Its Applications, vol. 10, no. 2, pp. 190-205, April 2019.
- Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Modified Mutually ZCZ Set of Optical Orthogonal Sequences," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E101-A, no. 12, pp. 2415-2418, December 2018.
- Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``Packet Splitting and Adaptive Modulation Based on CSI of Time Domain for Decode-and-Forward Cooperative OFDM Systems in Different Channel Model," International Journal of Communication Systems, vol. 31, no. 2, doi: 10.1002/dac.3451, pp. 1-17, January 2018.
- Yasuaki Ohira, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``A Compact Matched Filter Bank for an Optical ZCZ Sequence Set with Zero-Correlation Zone 2^z," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E101-A, no. 1, pp. 195-198, January 2018.
- Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``BER Performance of SS System Using a Huffman Sequence Against CW Jamming," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E101-A, no. 1, pp. 167-175, January 2018.
- Sho Kuroda, Shinya Matsufuji, Yuta Ida, and Takahiro Matsumoto, ``High-Speed Synchronization Acquisition Methods of Quasi-Synchronous CDMA," RISP Journal of Signal Processing, vol. 21, no. 6, pp. 273-279, November 2017.
- Yasuaki Ohira, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Code Generator for Optical ZCZ Sequence with Zero-Correlation Zone 2^z," RISP Journal of Signal Processing, vol. 21, no. 6, pp. 265-272, November 2017.
- Yuta Ida, Chang-Jun Ahn, Takahiro Matsumoto, and Shinya Matsufuji, ``Four Time Windows Averaging Channel Estimation with Real and Imaginary TFI Pilot Signals for OFDM," IEICE Communications Express, vol. 6, no. 10, pp. 590-595, October 2017.
- Yuta Ida, Chang-Jun Ahn, Takahiro Matsumoto, and Shinya Matsufuji, ``Achievement Accurate CSI for AF Relay MIMO/OFDM Based on Complex HTRCI Pilot Signal with Enhanced MMSE Equalization," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E98-A, no. 11, pp. 2254-2262, November 2015.
- Yuta Ida, Masanori Yofune, Chang-Jun Ahn, Takahiro Matsumoto, and Shinya Matsufuji, ``Estimation Based on Weighted Channel Variance for HTRCI-MIMO/OFDM with QRM-MLD and Channel Ranking under Fast Fading Channel," Transactions on Emerging Telecommunications Technologies, vol. 26, no. 7, pp. 1050-1059, July 2015.
- Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``A Compact Matched Filter Bank for a Mutually Orthogonal ZCZ Sequence Set Considering of Ternary Sequence Pairs," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E97-A, no. 12, pp. 2595-2600, December 2014.
- Yuta Ida, Chang-Jun Ahn, Takahiro Matsumoto, and Shinya Matsufuji, ``Removing Deep Faded Subcarrier Channel for Cooperative Multiuser Diversity OFDMA Based on Low Granularity Block," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E97-A, no. 12, pp. 2586-2594, December 2014.
- Ainiwan Abudoukeremu, Shinya Matsufuji, Yuta Ida, and Takahiro Matsumoto, ``A Novel Multicarrier CDMA Scheme With Interference Free Performance in Very Large Delay Spread," ITE Transactions on Media Technology and Applications, vol. 2, no. 4, pp. 362-369, October 2014.
- Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``BER Performance of ASK-SS and M-ary/ASK-SS Systems Using Compact Matched Filter Bank for an Optical ZCZ Code with Zero-Correlation Zone 4n-2," RISP Journal of Signal Processing, vol. 17, no. 6, pp. 265-271, November 2013.
- Shogo Soejima, Yuta Ida, Chang-Jun Ahn, Tatsuya Omori, and Ken-ya Hashimoto, ``Fast Fading Compensation Based on Weighted Channel Variance for TFI-OFDM," RISP Journal of Signal Processing, vol. 17, no. 3, pp. 41-49, May 2013.
- Yuta Ida, Chang-Jun Ahn, Takeshi Kamio, Hisato Fujisaka, and Kazuhisa Haeiwa, ``Variable Packet Splitting Transmission in Multi-Relay Cooperative Communications with DF and DAF for SC-FDMA," EURASIP Journal on Wireless Communications and Networking, vol. 2013, no. 64, doi: 10.1186/1687-1499-2013-64, pp. 1-8, March 2013.
- Yuta Ida, Chang-Jun Ahn, Takeshi Kamio, Hisato Fujisaka, and Kazuhisa Haeiwa, ``Interference Cancellation using Replica Signal for HTRCI-MIMO/OFDM in Time-Variant Large Delay Spread Longer than Guard Interval," Journal of Electrical and Computer Engineering, vol. 2012, no. 571985, doi: 10.1155/2012/571985, pp. 1-10, June 2012.
- Yuta Ida, Chang-Jun Ahn, Takeshi Kamio, Hisato Fujisaka, and Kazuhisa Haeiwa, ``Complexity Reducing of Subcarrier Selection Method Based on Low Granularity Block for TFI-MUDiv/OFDMA," Recent Patents on Signal Processing, vol. 2, no. 1, pp. 68-75, April 2012.
- Yuta Ida, Chang-Jun Ahn, Takeshi Kamio, Hisato Fujisaka, and Kazuhisa Haeiwa, ``Throughput Performance Enhancement for MUDiv/OFDMA using MMSE Equalization without Guard Interval," Journal of Selected Areas in Telecommunications, vol. 2, no. 5, pp. 74-80, May 2011.
- Yuta Ida, Chang-Jun Ahn, Takeshi Kamio, Hisato Fujisaka, and Kazuhisa Haeiwa, ``An Interference Cancellation Scheme for TFI-OFDM in Time-Variant Large Delay Spread Channel," Radioengineering, vol. 18, no. 1, pp. 75-82, April 2009.
Tutorial article
- Kazuki Maruta, Yuta Ida, Yutaka Jitsumatsu, Osamu Muta, Hiraku Okada, Toshihiko Nishimura, Eiji Okamoto, Yukitoshi Sanada, Hidekazu Murata, and Satoshi Denno, ``Shared Dataset Initiative toward Applications of Machine Learning and Mathematical Optimization for Wireless Communications," The Journal of IEICE, vol. 105, no. 6, pp. 509-515, June 2022.
- Yuki Yoshida, Kazutaka Hara, Takahiro Yamaura, Yuta Ida, Daisuke Umehara, and Jun Terada, ``2020 Activity Report of Technical Committee on Communication Systems," IEICE Communications Society - GLOBAL NEWSLETTER, vol. 45, no. 4, pp. 8-10, December 2021.
International conference (Reviewed)
- Yasuaki Ohira, Takahiro Matsumoto, Hideyuki Torii, and Yuta Ida, ``Study on Generation Method of Optical ZCZ Sequence with ZCZ Size of 2^n(2z-1)," 2024 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'24), 27PM2-2-5, pp. 75-78, Hawaii, USA & Online, February 2024.
- Yasuaki Ohira, Takahiro Matsumoto, Hideyuki Torii, and Yuta Ida, ``Study on Generation Method of 2D Optical ZCZ Sequences Suitable for 2D-PPM-OCDMA," 2024 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'24), 27PM2-2-4, pp. 71-74, Hawaii, USA & Online, February 2024.
- Makoto Onitsuka, Takahiro Matsumoto, Yasuaki Ohira, Hideyuki Torii, and Yuta Ida, ``Study on Digital Watermarking Using PPM Method Based on Two-Dimensional ZCZ Sequences," 2024 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'24), 27PM1-2-3, pp. 27-30, Hawaii, USA & Online, February 2024.
- Koichiro Mizozoe, Takahiro Matsumoto, Yasuaki Ohira, Hideyuki Torii, and Yuta Ida, ``Study on Robustness to Optical Diffusion on Undersea Optical CDMA System Using 2D Optical ZCZ Sequences," 2023 IEEE 12th Global Conference on Consumer Electronics (GCCE2023), POS(4A)-18, pp. 1094-1098, Nara, Japan, October 2023.
- Ryu Yoshimura, Yuta Ida, Kazuki Maruta, Yasuaki Ohira, Sho Kuroda, and Takahiro Matsumoto, ``Deep Neural Networks Based on QRM-MLD for SD-SM-MIMO," 2023 IEEE 12th Global Conference on Consumer Electronics (GCCE2023), RDM-4, pp. 174-175, Nara, Japan, October 2023.
- Hayato Matsushita, Yuta Ida, Kazuki Maruta, Yasuaki Ohira, Sho Kuroda, and Takahiro Matsumoto, ``2D Mesh Image Subcarrier Assignment for MUDiv/OFDMA with Convolutional Neural Networks," 2023 IEEE 12th Global Conference on Consumer Electronics (GCCE2023), RDM-3, pp. 172-173, Nara, Japan, October 2023.
- Shunsuke Tsumori, Yuta Ida, Sho Kuroda, and Takahiro Matsumoto, ``Deep Learning Compensation for Multiuser Diversity OFDMA without Guard Interval," 2023 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP’23), 28PM3-1-5, pp. 126-129, Hawaii, USA & Online, February 2023.
- Kojiro Nakano, Yuta Ida, and Takahiro Matsumoto, ``Adapting Zero Hybrid Guard Interval for MUDiv- DFTs-OFDMA," 2023 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP’23), 28PM3-1-4, pp. 122-125, Hawaii, USA & Online, February 2023.
- Yasuaki Ohira, Takahiro Matsumoto, Hideyuki Torii, and Yuta Ida, ``Construction of Optical ZCZ Sequence Set with the Zero-Correlation Zone 2z Suitable for PPM-OCDMA System," The 24th International Conference on Advanced Communications Technology (ICACT2022), 2A-3, pp. 106-111, Online, February 2022.
- Yuta Ida, Kazuki Maruta, and Takahiro Matsumoto, ``Phase Rotation and ASK Combination for SD-SM-MIMO," The 26th Asia-Pacific Conference on Communications (APCC2021), S6-2, pp. 1-5, Online, October 2021.
- Ryosuke Shimizu, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Study on OCDMA System Using Two-Dimensional Optical ZCZ Sequences with Two Autocorrelation Peak Values," 2021 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'21), 1PM3-2-5, pp. 190-193, Online, March 2021. (Student Paper Award)
- Dai Ozaki, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Study on BER Performance of Synchronous OCDMA System Using Optical ZCZ Sequence With Diffused Link Using Rake Reception," 2021 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'21), 1PM3-2-4, pp. 186-189, Online, March 2021.
- Yuta Ida, Kazuki Maruta, Takahiro Matsumoto, and Shinya Matsufuji, ``CR-QRM-MLD for SD-SM-MIMO with Null Modulation," The 39th IEEE International Conference on Consumer Electronics (ICCE2021), WNT(1)-4, pp. 1-3, Online, January 2021.
- Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``Linear Interpolation Complex TFI for SP-OFDM," The 38th IEEE International Conference on Consumer Electronics (ICCE2020), 1.14.2, pp. 1-4, Las Vegas, USA, January 2020.
- Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``A Generation Method of a Two-Dimensional Optical ZCZ Sequence with the Zero-Correlation Zone (4n-2) * (4n-2)," 2019 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS2019), O21-3, pp. 1-2, Taipei, Taiwan, December 2019.
- Kazuto Okawa, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Transmission Experiment of Optical ZCZ-CDMA System Using 2- or 4-PPM," The 2019 International Workshop on Electronics, Information and Communication (IWEIC2019), Oral4-3, pp. 41-44, Hiroshima, Japan, November 2019.
- Akihiro Sakai, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Transmission Experiment of Underwater Optical CDMA System With Amplify-and-Forward Relay," The 2019 International Workshop on Electronics, Information and Communication (IWEIC2019), Oral2-3, pp. 21-24, Hiroshima, Japan, November 2019.
- Kanata Murakami, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Construction of Code Generator of a Modified Pseudo-Orthogonal M-sequence Set," The 2019 International Workshop on Electronics, Information and Communication (IWEIC2019), Oral2-1, pp. 15-18, Hiroshima, Japan, November 2019.
- Dai Ozaki, Sho Adachi, Aoi Sawatari, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Study on Model of Optical CDMA System Using LED and APD Elements," 2019 International Workshop on Smart Info-Media System in Asia (SISA2019), RS2-4, pp. 115-118, Tokyo, Japan, September 2019.
- Ryosuke Shimizu, Koki Nomura, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Research on Optical CDMA System Using Two-Dimensional Optical ZCZ Sequence Set," 2019 International Workshop on Smart Info-Media System in Asia (SISA2019), RS2-3, pp. 109-114, Tokyo, Japan, September 2019.
- Shutaroh Takehara, Sho Kuroda, Shinya Matsufuji, Takahiro Matsumoto, and Yuta Ida, ``On Logic Functions of Complementary Sets of Polyphase Sequences," 2019 International Workshop on Smart Info-Media System in Asia (SISA2019), RS2-2, pp. 104-108, Tokyo, Japan, September 2019.
- Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``A Generation Method of a Two-Dimensional Optical ZCZ Sequence with the Smallest Zero-Correlation Zone," 2019 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP’19), 5PM2-2-3, pp. 172-175, Hawaii, USA, March 2019.
- Sho Kuroda, Takahiro Matsumoto, Yuta Ida, and Shinya Matsufuji, ``Construction of Matched Filter Bank of Multiphase ZCZ Code Reaches Mathematical Upper Bound," 2019 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP’19), 5PM2-2-1, pp. 164-167, Hawaii, USA, March 2019.
- Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``Antenna Interleaved Allocation with FSS and Divided FFT Spreading for MIMO-OFDM," 2018 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS2018), TA2B-3, pp. 372-377, Ishigaki, Japan, November 2018.
- Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Theoretical Analysis of BER Performance of OCDMA System Using Compact Matched Filter Bank for an Optical ZCZ Sequence Set," The 20th International Symposium on Wireless Personal Multimedia Communications (WPMC'17), WCPHY8-5, pp. 314-318, Yogyakarta, Indonesia, December 2017.
- Shinya Matsufuji, Sho Kuroda, Yuta Ida, and Takahiro Matsumoto, ``A Study on Matched Filter Banks of P-Phase ZCZ Codes," The 20th International Symposium on Wireless Personal Multimedia Communications (WPMC'17), WCPHY5-5, pp. 201-204, Yogyakarta, Indonesia, December 2017.
- Naoya Murokawa, Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``Iterative Equalization Based on Estimated Variance and Threshold for Massive MIMO with Spatial Modulation," 2017 International Symposium on Nonlinear Theory and Its Applications (NOLTA2017), B2L-E-2, pp. 538-541, Cancun, Mexico, December 2017.
- Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``Compensation of Deteriorated CSI Allocation Based on Decision Direct and Turbo Equalization for MUDiv/OFDMA," 2017 International Symposium on Nonlinear Theory and Its Applications (NOLTA2017), A3L-A-5, pp. 209-212, Cancun, Mexico, December 2017.
- Takahiro Matsumoto, Masanori Kurashita, Yasuaki Ohira, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Influence of ISI on Synchronous OCDMA System Using an Optical ZCZ Sequence Set on a Diffuse Channel," The 8th International Workshop on Signal Design and its Applications in Communications (IWSDA’17), 8-4, pp. 159-163, Sapporo, Japan, September 2017.
- Zeming Dong, Shinya Matsufuji, Yuta Ida, and Takahiro Matsumoto, ``A Study on PAPR Reduction in OFDM Using Complex Hadamard Matrices," The 8th International Workshop on Signal Design and its Applications in Communications (IWSDA’17), 8-3, pp. 154-158, Sapporo, Japan, September 2017.
- Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``Three Hop AF Relay Transmissions for OFDM Applying Real and Imaginary TFI Pilot Signals," The 8th International Workshop on Signal Design and its Applications in Communications (IWSDA’17), 8-1, pp. 145-148, Sapporo, Japan, September 2017.
- Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``A Generation Method of a Modified Mutually ZCZ Set of Optical Orthogonal Sequences," 2017 International Workshop on Smart Info-Media System in Asia (SISA2017), RS2-24, pp. 299-304, Fukuoka, Japan, September 2017.
- Yasuaki Ohira, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Construction of Code Generator for Optical ZCZ Sequence Used as Synchronization Symbol," 2017 International Workshop on Smart Info-Media System in Asia (SISA2017), RS2-21, pp. 283-288, Fukuoka, Japan, September 2017.
- Tomoaki Hirosawa, Yasuaki Ohira, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Study on BER Performance of Optical Wireless Code-Shift Keying System Using Compact Matched Filter Bank for Optical ZCZ Sequence Set," 2017 International Workshop on Smart Info-Media System in Asia (SISA2017), RS2-14, pp. 244-248, Fukuoka, Japan, September 2017.
- Hiroshi Aoki, Takahiro Matsumoto, Tetsuya Kojima, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Study on Rotation Attack Tolerability of Digital Watermarking Based on Two-Dimensional Complementary Pairs," 2017 International Workshop on Smart Info-Media System in Asia (SISA2017), RS2-13, pp. 238-243, Fukuoka, Japan, September 2017.
- Sho Adachi, Yasuaki Ohira, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Experimental Evaluation of Optical ZCZ-CDMA System on the Move," 2017 International Workshop on Smart Info-Media System in Asia (SISA2017), RS2-11, pp. 229-233, Fukuoka, Japan, September 2017.
- Toma Saeki, Shinya Matsufuji, Yuta Ida, and Takahiro Matsumoto, ``On Block Coding CDMA Using Bent ZCZ Codes," 2017 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'17), 3PM1-2-2, pp. 625-628, Guam, USA, February 2017.
- Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``Interleaved MUDiv Block Allocation and Optimum Power Control for SC-FDMA," 2017 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'17), 3AM1-2-2, pp. 517-520, Guam, USA, February 2017.
- Akihiro Kameno, Shinya Matsufuji, Yuta Ida, Takahiro Matsumoto, and Takafumi Hayashi, ``Correlation Properties of Bent ZCZ Codes," 2017 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'17), 3AM1-2-1, pp. 513-516, Guam, USA, February 2017.
- Yasuaki Ohira, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Construction of a Code Generator for an Optical ZCZ Sequence with Zero-Correlation Zone 2^z," 2017 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'17), 2AM2-2-5, pp. 361-364, Guam, USA, February 2017.
- Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``A Generation Method of a Mutually ZCZ Set of Optical Orthogonal Sequences Consisting of Binary and Ternary Sequence Pairs," 2017 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'17), 2AM2-2-4, pp. 357-360, Guam, USA, February 2017.
- Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``Packet Splitting and Adaptive Modulation Based on Time Domain CSI for Cooperative OFDM Systems," 2016 International Symposium on Nonlinear Theory and Its Applications (NOLTA2016), A2L-G4, pp. 99-102, Yugawara, Japan, November 2016.
- Yasuaki Ohira, Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Study on Construction of a Matched Filter Bank for an Optical ZCZ Sequence Set with Zero-Correlation Zone 2^Z," 2016 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'16), 8AM2-2-5, pp. 363-366, Honolulu, Hawaii, March 2016.
- Yuta Ida, Kota Imafuku, Takahiro Matsumoto, and Shinya Matsufuji, ``Performance Evaluation for AF Relay TFI-OFDM Systems," 2015 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS2015), 3D-4, pp. 548-551, Bali, Indonesia, November 2015.
- Sho Kuroda, Shinya Matsufuji, Yuta Ida, and Takahiro Matsumoto, ``On a Block Code ZCZ-CDMA Scheme with High-Speed Processing," The 7th International Workshop on Signal Design and its Applications in Communications (IWSDA'15), 9-3, pp. 220-224, Bengaluru, India, September 2015.
- Shinya Matsufuji, Takafumi Hayashi, Sho Kuroda, Yuta Ida, and Takahiro Matsumoto, ``On Bent ZCZ Codes," The 7th International Workshop on Signal Design and its Applications in Communications (IWSDA'15), 9-2, pp. 216-219, Bengaluru, India, September 2015.
- Shinya Matsufuji, Keisuke Shiozaki, Takahiro Matsumoto, and Yuta Ida, ``A Digital Watermarking Scheme Using Reference Images," 2015 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'15), 2PM1-4-5, pp. 631-634, Kuala Lumpur, Malaysia, February 2015.
- Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Theoretical Analysis of BER Performance of SS System Using a Huffman Sequence Against CW Jamming Over Rayleigh Fading Channels," 2015 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'15), 28AM2-4-4, pp. 134-137, Kuala Lumpur, Malaysia, February 2015.
- Takahiro Matsumoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Study on BER Performance of SS System Using a Huffman Sequence Against CW Jamming Over AWGN Channels," 2014 International Symposium on Information Theory and its Applications (ISITA2014), W-2-A-4, pp. 608-612, Melbourne, Australia, October 2014.
- Ainiwan Abudoukeremu, Jincheng Huang, Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``On BER Performance of Block Coding MC-ZCZ-CDMA", 2014 International Symposium on Information Theory and its Applications (ISITA2014), W-1-A-4, pp. 529-533, Melbourne, Australia, October 2014.
- Yuta Ida, Chang-Jun Ahn, Takahiro Matsumoto, and Shinya Matsufuji, ``Performance Enhancement for AF Relay MIMO/OFDM with Complex HTRCI Pilot Signal," The 20th Asia-Pacific Conference on Communications (APCC2014), F3B-1, pp. 1-6, Pattaya, Thailand, October 2014.
- Takahiro Matsumoto, Yasuaki Ohira, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Study on BER Performance of Atmospheric Optical ZCZ-CDAM Systems Using Equal Gain Combining," 2014 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'14), 2PM2-4-2, pp. 521-524, Hawaii, USA, February 2014.
- Taichi Sakaue, Tomoki Yoshimura, Yuta Ida, Chang-Jun Ahn, Tatsuya Omori, and Ken-ya Hashimoto, ``Interference Compensation Scheme using Time Domain Replica Signals for SP-MIMO/OFDM under Large Delay Spread Channel greater than GI," 2013 IEEE RIVF International Conference on Computing & Communication Technologies Research, Innovation, and Vision for the Future (RIVF2013), 1C-2, pp. 37-40, Hanoi, Vietnam, November 2013.
- Yuta Ida, Masanori Yofune, Chang-Jun Ahn, Takahiro Matsumoto, and Shinya Matsufuji, ``Non-linear Fast Fading Compensation for HTRCI-MIMO/OFDM with QRM-MLD and Channel Ranking," The 6th International Workshop on Signal Design and its Applications in Communications (IWSDA'13), 8-3, pp. 130-133, Tokyo, Japan, October 2013.
- Takahiro Matsumoto, Yasuaki Ohira, Satoshi Muranaga, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Trial of Free-Space Parallel Transmission System Based on Optical ZCZ-CDMA System," The 6th International Workshop on Signal Design and its Applications in Communications (IWSDA'13), 5-4, pp. 84-87, Tokyo, Japan, October 2013.
- Ainiwan Abudoukeremu, Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``Multicarrier Transmission System Using Orthogonal Spreading Sequences in Large Delay Spread Channel," The 6th International Workshop on Signal Design and its Applications in Communications (IWSDA'13), 5-3, pp. 80-83, Tokyo, Japan, October 2013.
- Akinori Ueganna, Sho Kuroda, Yuta Ida, Takahiro Matsumoto, and Shinya Matsufuji, ``On Fast Synchronization Acquisition of ZCZ-CDMA", The 6th International Workshop on Signal Design and its Applications in Communications (IWSDA'13), 5-2, pp. 76-79, Tokyo, Japan, October 2013.
- Takahiro Matsumoto, Takashi Sugimoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Theoretical Analysis of BER Performance of Spread Spectrum System Using a Huffman Sequence Over Rayleigh Fading Channels," The 6th International Workshop on Signal Design and its Applications in Communications (IWSDA'13), 4-2, pp. 60-63, Tokyo, Japan, October 2013.
- Takahiro Matsumoto, Takashi Sugimoto, Hideyuki Torii, Yuta Ida, and Shinya Matsufuji, ``Theoretical Analysis of BER Performance of Spread Spectrum System Using a Huffman Sequence Over AWGN Channels," 2013 International Workshop on Smart Info-Media System in Asia (SISA2013), RS1-1, pp. 27-31, Nagoya, Japan, September 2013.
- Yuta Ida, Chang-Jun Ahn, Takahiro Matsumoto, and Shinya Matsufuji, ``Mitigated Deep Faded Channel with Relay Node Allocation for MUDiv/OFDMA," The 19th Asia-Pacific Conference on Communications (APCC2013), I-1-2, pp. 6-11, Bali, Indonesia, August 2013.
- Yuta Ida, Chang-Jun Ahn, Takeshi Kamio, Hisato Fujisaka, and Kazuhisa Haeiwa, ``Variable Splitting Transmission in Multi-Relay Cooperative Communications for SC-FDMA," The 15th International Conference on Advanced Communications Technology (ICACT2013), 04P-04, pp. 623-627, Pyeongchang, Korea, January 2013.
- Tomoki Yoshimura, Yuta Ida, Chang-Jun Ahn, Tatsuya Omori, and Ken-ya Hashimoto, ``Complexity Reducing QRD-MLD with Sequential Decision Based on the Estimated Noise Variance," The 15th International Conference on Advanced Communications Technology (ICACT2013), 04F-03, pp. 590-593, Pyeongchang, Korea, January 2013.
- Shogo Soejima, Yuta Ida, Chang-Jun Ahn, Tatsuya Omori, and Ken-ya Hashimoto, ``Non-linear Channel Compensation Method for OFDM under Fast Fading Channel," 2011 IEEE Region 10 Conference (TENCON2011), T05.05.5, pp. 930-933, Bali, Indonesia, November 2011.
- Yuta Ida, Chang-Jun Ahn, Takeshi Kamio, Hisato Fujisaka, and Kazuhisa Haeiwa, ``Complexity Reduction Method with Low Granularity Block Selection for TFI-MUDiv/OFDMA," 2011 IEEE Region 10 Conference (TENCON2011), T05.03.2, pp. 867-871, Bali, Indonesia, November 2011.
- Yuta Ida, Chang-Jun Ahn, Takeshi Kamio, Hisato Fujisaka, and Kazuhisa Haeiwa, ``Throughput Performance Enhancement for Multiuser Diversity OFDMA Using MMSE Equalization without Guard Interval," 2010 International Symposium on Spread Spectrum Techniques and Applications (ISSSTA2010), LS1-We-3, pp. 221-226, Taichung, Taiwan, October 2010.
- Yuta Ida, Chang-Jun Ahn, Takeshi Kamio, Hisato Fujisaka, and Kazuhisa Haeiwa, ``Large Delay Spread Cancellation Based on Replica Signal for HTRCI-MIMO/OFDM," The 12th International Symposium on Wireless Personal Multimedia Communications (WPMC'09), S11-4, pp. 1-5, Sendai, Japan, September 2009.
- Yuta Ida, Chang-Jun Ahn, Takeshi Kamio, Hisato Fujisaka, and Kazuhisa Haeiwa, ``ISI and ICI Compensation for TFI-OFDM in Time-Variant Large Delay Spread Channel," The 23rd International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC2008), P1-83, pp. 1309-1312, Shimonoseki, Japan, July 2008.
Domestic Conference in Japan
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