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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2024-10-17 10:55 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Study on improving spectral efficiency using baseband MIMO method aiming at 5G expansion(3)
-- MxN times communication method using real MIMO and baseband MIMO -- Maria Takigawa (Meiji Univ.), Gen-ichiro Ohta (YRP), Tetsushi Ikegami (Meiji Univ.)  RCS2024-134 |
In this study, spectral efficiency is increased by MxN by superimposing MIMO (rank M) in the real space with baseband MI... [more] | RCS2024-134 pp.6-11 |
| AP | 2024-03-15 10:25 |
Fukui | UNIVERSITY OF FUKUI (Fukui, Online) (Primary: On-site, Secondary: Online) |
A Study on Path loss characteristics estimation methods considering geographical conditions for designing narrowband DR-IoT communication system Takato Ikegame, Naoki Ikeda, Motonari Imai, Tetsushi Ikegami (Meiji Univ.), Mineo Takai (Osaka Univ.), Susumu Ishihara (Shizuoka Univ.), Arata Kato, Shugo Kajita (STE) AP2023-212 |
A versatile variable-range IoT communication system using the VHF-High band, Diversified-Range IoT (DR-IoT) is being con... [more] | AP2023-212 pp.63-67 |
| AP | 2024-03-15 13:00 |
Fukui | UNIVERSITY OF FUKUI (Fukui, Online) (Primary: On-site, Secondary: Online) |
A Study on K-factor estimation accuracy using momentum method for designing narrowband IoT communication system DR-IoT Naoki Ikeda, Motonari Imai, Takato Ikegame, Tetsushi Ikegami (Meiji Univ.), Susumu Ishihara (Shizuoka Univ.), Arata Kato, Syugo Kajita (スペースタイムエンジニアリング), Hiroshi Yamamoto (Ritsumeikan Univ.), Mineo Takai (Osaka Univ.) AP2023-215 |
A versatile variable-range IoT communication system using the VHF-high band， Diversified-Range IoT (DR-IoT)is being cons... [more] | AP2023-215 pp.80-84 |
| RCS, SR, SRW (Joint) |
2024-03-14 10:25 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Study on improving frequency usage efficiency using baseband MIMO method aiming at 5G expansion(2)
-- MxN times communication method using real MIMO and baseband MIMO -- Maria Takigawa (Meiji Univ.), Gen-ichiro Ohta (YRP), Tetsushi Ikegami (Meiji Univ.) RCS2023-272 |
In this study, the spectrum efficiency is multiplied by M×N by superimposing MIMO in real space (rank M) and baseband MI... [more] | RCS2023-272 pp.106-111 |
| SeMI | 2024-01-18 15:35 |
Yamanashi | Raki House Kaiji (Yamanashi) | [Poster Presentation]
A Study on Packet Transmission Timing for Dynamic Management of Nodes in Narrowband DR -loT Communication System Motonari Imai, Takato Ikegame, Naoki Ikeda, Tetsushi Ikegami (Meiji Univ.), Susumu Ishihara (Shizuoka Univ.), Arata Kato (STE), Mineo Takai (Osaka Univ.) SeMI2023-59 |
The institutionalization of Diversified-Range IoT (DR-IoT), a versatile variable-range IoT communication system using th... [more] | SeMI2023-59 pp.51-55 |
| MIKA (3rd) |
2023-10-10 15:35 |
Okinawa | Okinawa Jichikaikan (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Frequency Resource Allocation Using Genetic Algorithm for High Throughput Satellite Communication Systems Ayato Nagaji, Takahiro Ebihara, Tetsushi Ikegami (Meiji Univ.) |
High Throughput Satellite (HTS) systems using the Ka-band have been attracting attention due to the recent frequency cru... [more] | |
| MIKA (3rd) |
2023-10-10 15:35 |
Okinawa | Okinawa Jichikaikan (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Study on Error Correction Based on Convergence Detection of Posterior LLRs in Gaussian Belief Propagation for Large-Scale MIMO Signal Detection Shinnosuke Taba, Tetsushi Ikegami, Koichi Maki (Meiji Univ) |
[more] | |
| MIKA (3rd) |
2023-10-11 14:30 |
Okinawa | Okinawa Jichikaikan (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Field experiment on mobile radio propagation characteristics in the VHF-High band
-- Path loss and Fading characteristics -- Naoki Ikeda, Motonari Imai, Takato Ikegame, Tetsushi Ikegami (Meiji Univ.), Susumu Ishihara (Shizuoka Univ.), Hiroshi Yamamoto (Ritumeikan Univ.), Arata Kato, Syugo Kajita, Mineo Takai (STE) |
In the VHF-High band (207.5 MHz to 222 MHz), the DR-IoT (Diversified-Range/Disaster-Response IoT), a quasi-narrow-band w... [more] | |
| MIKA (3rd) |
2023-10-11 14:30 |
Okinawa | Okinawa Jichikaikan (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Field experiments on VHF-High band for design of a quasi-narrow band wireless communication system DR-IoT
-- Path loss characteristics estimation methods considering geographical conditions -- Takato Ikegame, Naoki Ikeda, Motonari Imai, Tetsushi Ikegami (Meiji Univ.), Mineo Takai (Osaka Univ.), Susumu Ishihara (Shizuoka Univ.), Arata Kato, Shugo Kajita (STE) |
In the VHF-High band (207.5 MHz to 222 MHz), research is being conducted on a disaster-response narrowband wireless syst... [more] | |
| MIKA (3rd) |
2023-10-11 14:30 |
Okinawa | Okinawa Jichikaikan (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Study on improving frequency usage efficiency using baseband MIMO method aiming at 5G expansion
-- MxN times communication method using real MIMO and baseband MIMO -- Maria Takigawa, Tetsushi Ikegami (Meiji Univ.) |
5G has determined the limits of modulation and demodulation technology and has left the improvement of frequency efficie... [more] | |
| MICT, WBS, RCC, SAT (Joint) [detail] |
2023-05-26 10:15 |
Tokyo | TOKYO BIG SIGHT (Tokyo, Online) (Primary: On-site, Secondary: Online) |
A Study on the Effect of Adaptive Coding and Modulation for High-Throughput Satellite on Data Rates with Variation in Rainfall Takahiro Ebihara, Tetsushi Ikegami (Meiji Univ.) SAT2023-7 MICT2023-7 |
The effect of using ACM(Adaptive Coding and Modulation) on improving data rates in Ka-band High Throughput Satellite(HTS... [more] | SAT2023-7 MICT2023-7 pp.32-37 |
| IT, RCS, SIP | 2023-01-25 11:30 |
Gunma | Maebashi Terrsa (Gunma, Online) (Primary: On-site, Secondary: Online) |
Channel and Data Estimation via Deep Unfolding-Aided BiGaBP for Correlated Large MIMO Koichi Maki, Tetsushi Ikegami (Meiji Univ.) IT2022-54 SIP2022-105 RCS2022-233 |
The study aims to suppress the performance degradation in a correlated fading environment by applying deep unfolding (DU... [more] | IT2022-54 SIP2022-105 RCS2022-233 pp.142-147 |
| IT, RCS, SIP | 2023-01-25 10:50 |
Gunma | Maebashi Terrsa (Gunma, Online) (Primary: On-site, Secondary: Online) |
DoA Estimation Based on Propagator Method for Analog-Digital Hybrid Massive MIMO Systems Takuma Yamazaki, Tetsushi Ikegami (Meiji Univ.) IT2022-59 SIP2022-110 RCS2022-238 |
Large-scale Multiple-Input Multiple-Output (MIMO) systems are MIMO systems with a large number of antenna elements and h... [more] | IT2022-59 SIP2022-110 RCS2022-238 pp.172-177 |
| SeMI, SeMI (Joint) |
2023-01-20 10:30 |
Tokushima | Naruto grand hotel (Tokushima, Online) (Primary: On-site, Secondary: Online) |
Design of the basic architecture of a quasi-narrow band wireless communication system, DR-IoT Susumu Ishihara, Shinka Asano, Ryosuke Umemoto (Shizuoka Univ.), Arata Kato, Shugo Kajita (スペースタイムエンジニアリング), Hiroshi Yamamoto (Ritsumeikan Univ.), Tetsushi Ikegami (Meiji Univ.), Mineo Takai (Osaka Univ.) SeMI2022-97 |
We have proposed DR-IoT (Diversified-Range/Disaster-Response IoT), a VHF-band wireless communication system using small ... [more] | SeMI2022-97 pp.119-124 |
| RISING (3rd) |
2022-10-31 15:00 |
Kyoto | Kyoto Terrsa (Day 1), and Online (Day 2, 3) (Kyoto, Online) | [Poster Presentation]
A Study on Independent Component Analysis Aimed MIMO Channel Estimation Yuya Takahashi, Tetsushi Ikegami (Meiji Univ.) |
[more] | |
| MIKA (3rd) |
2022-10-13 11:10 |
Niigata | Niigata Citizens Plaza (Niigata, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Considerations on a DOA Estimation Using Propagator Method for Hybrid Massive MIMO Takuma Yamazaki, Tetsushi Ikegami (Meiji Univ) |
Massive multiple-input multiple-output (MIMO) is MIMO with many antenna elements, and is attracting attention as a techn... [more] | |
| MIKA (3rd) |
2022-10-13 11:10 |
Niigata | Niigata Citizens Plaza (Niigata, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
UWB Indoor Navigation with Linear Prediction Ayato Nagaji, Tetsushi Ikegami (Meiji Univ) |
In this study, we proposed and compared methods to reduce positioning error due to multipath in ToA (Time of Arrival) po... [more] | |
| MIKA (3rd) |
2022-10-14 10:40 |
Niigata | Niigata Citizens Plaza (Niigata, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Channel and Data Estimation via Deep Unfolding-Aided BiGaBP for Correlated Massive MIMO Koichi Maki, Tetsushi Ikegami (Meiji Univ.) |
This paper applies deep unfolding (DU) to a joint channel and data estimation (JCDE) scheme via bilinear belief propagat... [more] | |
| SAT, KOSST | 2022-10-06 14:05 |
Fukuoka | (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
A Study on the Effect of Improving Traffic Accommodation Ratio by Adaptive Coding and Modulation for High Throughput Satellite in Time-Varying Communication Environments Takahiro Ebihara, Tetsushi Ikegami (Meiji Univ.) SAT2022-45 |
The effect of using ACM(Adaptive Coding and Modulation) on improving the traffic accommodation ratio in Ka-band High Thr... [more] | SAT2022-45 pp.6-11 |
| MICT, WBS | 2022-07-25 10:55 |
Okayama | Okayama Prefectural University (Okayama) | [Poster Presentation]
A Study on Multipath Mitigation Method in UWB Indoor Navigation Ayato Nagaji, Tetsushi Ikegami (Meiji Univ) WBS2022-23 MICT2022-23 |
In this study, we proposed and compared methods to reduce positioning error due to multipath in ToA (Time of Arrival) po... [more] | WBS2022-23 MICT2022-23 pp.36-40 |
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