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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| PN, EMT, MWPTHz, IEE-EMT [detail] | 2025-01-23 14:40 |
Hyogo | Arcrea Himeji | Proof of Concept of Multi-beamformer for Analog RoF System Based on Optical Phase Control Using Optical Unitary Converters Hiroki Shishikura, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) |
[more] | |
| UWT (2nd) |
2024-11-19 14:35 |
Kagoshima | A Study of Optical Link Simulator for Underwater Mobile Optical Wireless Communications Using Optical Beam Tracking Kazuki Nomoto (Tokushima Univ.), Takanori Satoh (FURUNO ELECTRIC), Atsushi Takada (Tokushima Univ.) |
In order to transmit large amounts of data such as high-definition video from unmanned underwater vehicles (UUVs) and un... [more] | ||
| RCS, SR, SRW (Joint) |
2024-03-13 16:15 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
DOA Estimation Improvement Through Angle-Range-Reduced DNNs Specialized in Narrow DOA Range Daniel Akira Ando, Toshihiko Nishimura, Takanori Sato, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Junichiro Hagiwara (Mukogawa Women's Univ.)  RCS2023-266 |
In this work, we propose a strategy based on deep neural networks (DNNs) intended to support our past DNN method for dir... [more] | RCS2023-266 pp.71-76 |
| RCS, SR, SRW (Joint) |
2024-03-15 14:15 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Considerations on Computational Complexity Reduction in Channel Prediction Based on Multipath Separation for Sub-THz-Band Communications Daigo Mochizuki, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa (Hokkaido Univ.), Junichiro Hagiwara (Mukogawa Women's Univ.), Takeo Ohgane (Hokkaido Univ.) RCS2023-288 |
In sixth-generation mobile communications, a sub-THz band will be used for extreme high-data rate communication. Because... [more] | RCS2023-288 pp.152-157 |
| OPE, OFT, OCS (Joint) [detail] |
2024-02-21 16:55 |
Okinawa | Nobumoto Ohama Memorial Hall (Primary: On-site, Secondary: Online) |
A study on loss characteristics of uncoupled 3-mode 4-core graded index fiber with a common depressed layer Tomoki Honda, Takanori Sato (Hokkaido Univ.), Taro Iwaya, Yuto Sagae, Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OCS2023-75 OFT2023-67 OPE2023-118 |
[more] | OCS2023-75 OFT2023-67 OPE2023-118 pp.42-47(OCS), pp.23-28(OFT), pp.58-63(OPE) |
| UWT (2nd) |
2023-11-27 12:30 |
Shiga | Ritsumeikan University Biwako-Kusatsu Campus (BKC) | Laser Beam Tracking Technique for Underwater Mobile Optical Wireless Communications using Transmission/Reception Beam-Angle Control Kazuya Matsuda, Yuma Takeda, Yasuhiro Okamura (Tokushima Univ.), Takanori Satoh (FURUNO ELECTRIC), Atsushi Takada (Tokushima Univ.) |
There is a growing need for a real-time wireless transmission system for high-capacity data such as high-definition vide... [more] | |
| OCS, LQE, OPE | 2023-10-20 10:10 |
Kochi | (Primary: On-site, Secondary: Online) |
Design of Mode-evolution-based Compact Symmetric Multimode Y-junction for the 2-µm Waveband Using Shortcuts to Adiabaticity Taichi Muratsubaki, Takeshi Fujisawa, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) OCS2023-39 OPE2023-94 LQE2023-41 |
We report the design results of compact symmetric multimode Y junction for the 2-µm waveband. The proposed device achiev... [more] | OCS2023-39 OPE2023-94 LQE2023-41 pp.62-67 |
| RCS | 2023-06-14 09:30 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Study on Subarray Beam Control for Sub-Terahertz-Band MIMO Spatial Multiplexing Naoki Hamada, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-28 |
In 6th generation mobile communication system (6G), the use of sub-Terahertz band (100–300 GHz) is being considered to r... [more] | RCS2023-28 pp.1-6 |
| RCS | 2023-06-14 09:40 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Study on Characteristic Improvement of Direct-Binary Search Leveraged Loose Beam Forming in Massive MIMO Systems Yuta Hayashi, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-29 |
In massive MIMO systems, a loose beam forming method is considered to solve the problem of increased computation and ant... [more] | RCS2023-29 pp.7-12 |
| RCS | 2023-06-14 09:50 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A Study on Vector Perturbation Method Using MCMC in Massive MIMO Shunsuke Kakuta (Hokkaido Univ.), Junichiro Hagiwara (Mukogawa Women's Univ.), Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-30 |
[more] | RCS2023-30 pp.13-18 |
| OFT | 2023-05-11 15:25 |
Iwate | Aiina(Iwate) (Primary: On-site, Secondary: Online) |
A study on loss characteristics of 3-mode dual-step index pure silica core fiber. Taro Iwaya, Yuto Sagae, Takayoshi Mori, Taiji Sakamoto, Takashi Matsui (NTT), Takanori Sato, Kunimasa Saitoh (Hokudai), Kazuhide Nakajima (NTT) OFT2023-3 |
Toward lowering loss and differential mode delay (DMD) of 3-mode fiber, feasibility of pure silica core with dual-step i... [more] | OFT2023-3 pp.10-13 |
| OFT | 2023-05-11 16:15 |
Iwate | Aiina(Iwate) (Primary: On-site, Secondary: Online) |
Design of uncoupled 3-mode 4-core graded-index fibers with a common depressed layer Tomoki Honda, Takanori Sato, Takeshi Fujisawa (Hokaido Univ.), Taro Iwaya, Yuto Sagae, Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokaido Univ.) OFT2023-5 |
We design a standard diameter (125 μm) uncoupled 3-mode 4-core fiber (3M-4CF). In order to suppress the inter-core cross... [more] | OFT2023-5 pp.20-23 |
| OCS, OFT, OPE (Joint) [detail] |
2023-02-17 14:10 |
Okinawa | kukuru-itomancity (Primary: On-site, Secondary: Online) |
A study on a PLC-based six-mode multi/demultiplexer using Y-branch mode converter and optical unitary converter Yasuto Yoshida, Takanori Sato, Takeshi Fujisawa (Hokkaido Univ.), Takayoshi Mori, Taiji Sakamoto, Yoko Yamashita, Ryota Imada, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OCS2022-86 OFT2022-62 OPE2022-115 |
A selective/non-selective six-mode (de)multiplexer using planar lightwave circuits (PLC) is designed to realize mode-div... [more] | OCS2022-86 OFT2022-62 OPE2022-115 pp.80-85(OCS), pp.53-58(OFT), pp.105-110(OPE) |
| IT, RCS, SIP | 2023-01-24 12:20 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
A Study on Performance Improvement of Stochastic MIMO Signal Detection Using Variational Bayesian Methods Hiroki Asumi, Shunsuke Kakuta, Junichiro Hagiwara, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) IT2022-34 SIP2022-85 RCS2022-213 |
[more] | IT2022-34 SIP2022-85 RCS2022-213 pp.30-35 |
| IT, RCS, SIP | 2023-01-24 15:55 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Impact of Channel Estimation Error on Antenna Selection Using Simulated Annealing for Distributed MIMO Systems Kento Nishimura, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ) IT2022-43 SIP2022-94 RCS2022-222 |
Distributed MIMO systems, which have been considered in recent years, use a very large number of base station antennas, ... [more] | IT2022-43 SIP2022-94 RCS2022-222 pp.78-83 |
| IT, RCS, SIP | 2023-01-24 16:20 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Study on IRS Control based on Beamforming for Sub-Terahertz Band Communications Shuto Tadokoro, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) IT2022-44 SIP2022-95 RCS2022-223 |
[more] | IT2022-44 SIP2022-95 RCS2022-223 pp.84-89 |
| IT, RCS, SIP | 2023-01-24 16:45 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Characteristics Analysis of Direction of Arrival Estimation with Compressed Sensing Using Grid Shifts Shudai Kunimoto, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) IT2022-45 SIP2022-96 RCS2022-224 |
[more] | IT2022-45 SIP2022-96 RCS2022-224 pp.90-95 |
| IT, RCS, SIP | 2023-01-25 14:35 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Study on computational complexity reduction in channel prediction for sub-THz band communications Daigo Mochizuki, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) IT2022-64 SIP2022-115 RCS2022-243 |
[more] | IT2022-64 SIP2022-115 RCS2022-243 pp.202-207 |
| RCS | 2022-10-27 14:00 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Spatial Signal Processing in Sub-Terahertz-Band Indoor Radio Communications Yasutaka Ogawa, Toshihiko Nishimura, Takanori Sato, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) RCS2022-135 |
The sixth-generation (6G) mobile communication system has been studied to commercialize the service in around 2030. One ... [more] | RCS2022-135 p.28 |
| RCS | 2022-10-28 10:55 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
A Study on Channel Prediction Based on Multipath Separation for Sub-Terahertz-Band Communications Daigo Mochizuki, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) RCS2022-145 |
[more] | RCS2022-145 pp.83-88 |
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