Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2024-03-15 10:25 |
Fukui |
UNIVERSITY OF FUKUI (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 (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 (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 |
[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 (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 (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 (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 (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 (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 (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 (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 (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 (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) |
[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 (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 (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 (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 |
(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 09:30 |
Okayama |
Okayama Prefectural University |
[Poster Presentation]
Consideration of radio wave attenuation due to shielding in the communication path in 220MHz band and 920MHz band outdoor communication experiments Motonari Imai, Naoki Ikeda, Takato Ikegame, Tetsusi Ikegami (Meiji Univ.) WBS2022-21 MICT2022-21 |
Currently, large-scale disaster response IoT (DR-IoT) using the 220 MHz band is under development. In this paper,
we ev... [more] |
WBS2022-21 MICT2022-21 pp.24-29 |
MICT, WBS |
2022-07-25 10:55 |
Okayama |
Okayama Prefectural University |
[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 |