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All Technical Committee Conferences (Searched in: Recent 10 Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CS, CQ, SAT (Joint) |
2025-04-24 09:55 |
Yamaguchi | KDDI restortion hole 201B/C room | Study on Indoor Localization with Effective Quantized CSI and DL Focusing on Numerical Representation Seiha Homma, Yuta Ida (Yamaguchi Univ.), Yasuaki Ohira (Kagoshima Univ.), Sho Kuroda (FX Systems), Takahiro Matsumoto (Kagoshima Univ.) |
[more] | |
| CS, CQ, SAT (Joint) |
2025-04-25 16:45 |
Yamaguchi | KDDI restortion hole 201B/C room | Study on SDM-GSM Transmission for MIMO/OFDM Daito Shimizu, Yuta Ida (Yamaguchi Univ.), Yasuaki Ohira (Kagoshima Univ.), Sho Kuroda (FX systems), Takahiro Matsumoto (Kagoshima Univ.) |
[more] | |
| WBS, ITS, RCC | 2024-12-05 10:15 |
Kagoshima | Kagoshima Prefectural Culture Center (Primary: On-site, Secondary: Online) |
Study on Generation Method of an Optical ZCZ Sequence Set With Zero-Correlation Zone 3^z Naoki Kubota, Takahiro Matsumoto, Yasuaki Ohira (Kagoshima Univ.), Hideyuki Torii (KAIT), Yuta Ida (Yamaguchi Univ.)  WBS2024-49 ITS2024-30 RCC2024-54 |
In this paper, we propose the generation method of an optical zero-corelation zone (ZCZ) sequence set with a zero-corral... [more] | WBS2024-49 ITS2024-30 RCC2024-54 pp.100-104 |
| WBS, ITS, RCC | 2024-12-05 13:30 |
Kagoshima | Kagoshima Prefectural Culture Center (Primary: On-site, Secondary: Online) |
Study on Performance Evaluation of ZCZ-PPM-OCDMA System Suitable for Illumination Light Communication Yasuaki Ohira, Takahiro Matsumoto (Kagoshima Univ.), Hideyuki Torii (Kanagawa Inst. of Tech.), Yuta Ida (Yamaguchi Univ.) WBS2024-58 ITS2024-39 RCC2024-63 |
In this paper, we evaluate the bit error rate (BER) performance of a ZCZ-PPM-OCDMA (zero-correlation zone pulse-position... [more] | WBS2024-58 ITS2024-39 RCC2024-63 pp.153-156 |
| CS | 2024-07-11 13:10 |
Nagasaki | Center for Tsushima engagement | Study on Route Weight and Packet Splitting Transmission for Multi-Hop Cooperative OFDM Yoshiaki Hayashi, Yuta Ida (Yamaguchi Univ), Yasuaki Ohira (Kagoshima Univ), Sho Kuroda (FX Systems), Takahiro Matumoto (Kagoshima Univ) CS2024-9 |
In 5th generation (5G), a high frequency band is utilized, but the transmission distance is reduced. To solve this probl... [more] | CS2024-9 pp.11-12 |
| CS | 2024-07-11 13:12 |
Nagasaki | Center for Tsushima engagement | Phase Noise Compensation with Time Window Averaging for Hadamard Spreading CTFI-OFDM Shumpei Okamoto, Yuta Ida (Yamaguchi Univ.), Yasuaki Ohira (Kagoshima Univ.), Sho Kuroda (FX Systems), Takahiro Matsumoto (Kagoshima Univ.) CS2024-10 |
Orthogonal frequency division multiplexing (OFDM) is widely utilized in current wireless communications, but there is th... [more] | CS2024-10 pp.13-14 |
| CAS, CS | 2024-03-14 13:55 |
Okinawa | Study on Comparison of Effective CSI Feature Extraction and Deep Learning-Based Indoor Positioning Methods Seiha Homma, Hayato Matsushita, Yuta Ida (Yamaguchi Univ.), Yasuaki Ohira (Kagoshima Univ.), Sho kuroda (FX Systems), Takahiro Matsumoto (Kagoshima Univ.) CAS2023-119 CS2023-112 |
In recent years, the indoor positioning solution markets has been expanding, and there is a growing demand for indoor po... [more] | CAS2023-119 CS2023-112 pp.47-52 |
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| CAS, CS | 2024-03-15 09:20 |
Okinawa | Study on OFDM Subcarrier Assignment Based on CNN considering Total Channel Capacity Hayato Matsushita, Seiha Homma, Yuta Ida (Yamaguchi Univ), Yasuaki Ohira (Kagoshima Univ), Sho Kuroda (FX Systems), Takahiro Matsumoto (Kagoshima Univ) CAS2023-125 CS2023-118 |
[more] | CAS2023-125 CS2023-118 pp.78-83 |
|
| OCS, CS (Joint) |
2024-01-12 13:30 |
Kagoshima | Study on Construction of Two-Dimensional Optical ZCZ Sequences Suitable for 2D-PPM-OCDMA Yasuaki Ohira, Takahiro Matsumoto (Kagoshima Univ.), Hideyuki Torii (Kanagawa Inst. of Tech.), Yuta Ida (Yamaguchi Univ.) CS2023-102 |
In this paper, we propose the new two-dimensional (2D) optical code-division multiple access (OCDMA) with pulse position... [more] | CS2023-102 pp.39-42 |
|
| NS, RCS (Joint) |
2023-12-14 11:25 |
Fukuoka | Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Scheduling of OFDM Subcarrier to Provide Multiuser Diversity Gain Yuta Ida (Yamaguchi Univ.), Yasuaki Ohira (Kagoshima Univ.), Sho Kuroda (FX Systems), Takahiro Matsumoto (Kagoshima Univ.) NS2023-129 RCS2023-182 |
In an orthogonal frequency division multiple access (OFDMA) which is a kind of multi-access techniques, the subcarrier a... [more] | NS2023-129 RCS2023-182 p.32 |
| CAS, CS | 2023-03-01 16:40 |
Fukuoka | Kitakyushu International Conference Center (Primary: On-site, Secondary: Online) |
Evaluation on TFI Pilot Signal and CNN Image Identification Based on Channel Model Tomoaki Shibata, Syuji Takahashi, Yuta Ida (Yamaguchi Univ.), Sho Kuroda (FX Systems), Takahiro Matsumoto (Kagoshima Univ.) CAS2022-109 CS2022-86 |
In International Telecommunication Union (ITU), the wireless channel models are standardized. The channel models are con... [more] | CAS2022-109 CS2022-86 pp.77-82 |
| RCS | 2022-10-28 13:50 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Novel wireless communication system realized by mobile terminal collaboration
-- Recent results and application to uplink transmission -- Hidekazu Murata, Yuta Ida (Yamaguchi Univ.), Kazuki Maruta (Tokyo Univ. of Science), Yutaka Jitsumatsu (Tokyo Tech), Osamu Muta (Kyushu Univ.), Hiraku Okada (Nagoya Univ.), Eiji Okamoto (NITech), Yukitoshi Sanada (Keio Univ.), Toshihiko Nishimura (Hakkaido Univ.), Satoshi Denno (Okayama Univ.) RCS2022-149 |
If nearby wireless terminals cooperate using high-frequency bands, a large number of antennas can be used at the termina... [more] | RCS2022-149 p.107 |
| MIKA (3rd) |
2022-10-13 11:10 |
Niigata | Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Improving CSI Interpolation Accuracy of Iterative IDFT/DFT with HTRCI for OFDM Scattered Pilots Ren Takahashi, Kazuki Maruta (Tokyo Univ. of Science), Yuta Ida (Yamaguchi Univ.) |
Scattered pilot assignment can enhance channel estimation and data transmission efficiency in orthogonal frequency divis... [more] | |
| CAS, CS | 2021-03-02 13:50 |
Online | Online | Study on Combination of Phase Rotation and ASK for SD-SM-MIMO Yuta Ida (Yamaguchi Univ.), Kazuki Maruta (Tokyo Tech.), Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) CAS2020-83 CS2020-90 |
For multiple-input multiple-output (MIMO) systems, SD-SM-MIMO which combines the space division multiplexing (SD) and sp... [more] | CAS2020-83 CS2020-90 pp.65-70 |
| RCS | 2020-10-22 09:30 |
Online | Online | Shared dataset framework toward applications of machine learning and mathematical optimization for 6G Kazuki Maruta (Tokyo Tech.), Yuta Ida (Yamaguchi Univ.), Yafei Hou (Okayama Univ.), Osamu Muta (Kyushu Univ.), Hiraku Okada (Nagoya Univ.), Toshihiko Nishimura (Hokkaido Univ.), Eiji Okamoto (Nagoya Inst. of Tech.), Yukitoshi Sanada (Keio Univ.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) RCS2020-92 |
In the research of applying machine learning and mathematical optimization to problems in wireless communication systems... [more] | RCS2020-92 pp.1-6 |
| CS, CAS | 2020-02-28 09:50 |
Kumamoto | Study on CR-QRM-MLD for SD-SM-MIMO Applying Null Modulation Yuta Ida, Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.), Kazuki Maruta (Chiba Univ.) CAS2019-115 CS2019-115 |
For the transmission technique for a multiple-input multiple-output (MIMO), the space division (SD) and the spatial modu... [more] | CAS2019-115 CS2019-115 pp.99-104 |
|
| WBS, SAT (Joint) |
2019-05-15 13:25 |
Aichi | MEIJO University (Tempaku campus) | On Polyphase Cpmplementary Sequence Sets Syutaro Takehara, Sho Kuroda, Takahiro Matsumoto, Yuta Ida, Shinya Matsufuji (Yamaguchi Univ.) WBS2019-2 |
[more] | WBS2019-2 pp.7-11 |
| WBS, SAT (Joint) |
2019-05-15 13:50 |
Aichi | MEIJO University (Tempaku campus) | On Construction of Optical ZCZ Codes Tomoya Gyobu, Takahiro Matsumoto, Yuta Ida, Shinya Matsufuji (Yamaguchi Univ.) WBS2019-3 |
[more] | WBS2019-3 pp.13-16 |
| CAS, CS | 2019-03-09 10:50 |
Kanagawa | Shonan Institute of Technology | Achievement of Channel Estimation Based on Complex TFI and Linear Interpolation for SP-OFDM Yuta Ida, Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) CAS2018-149 CS2018-117 |
In an orthogonal frequency division multiplexing (OFDM), the pilot signal is utilized for the channel estimation (CE)．Ho... [more] | CAS2018-149 CS2018-117 pp.59-64 |
| CAS, CS | 2019-03-09 11:15 |
Kanagawa | Shonan Institute of Technology | On Polyphase Sequence Sets with Low Correlation Properties Yuhei Ohashi, Sho Kuroda, Yuta Ida, Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) CAS2018-150 CS2018-118 |
In recent years, Zadoff-Chu sequence which is a polyphase sequence set has been used as synchronization sequences and s... [more] | CAS2018-150 CS2018-118 pp.65-70 |
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