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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| UWT (2nd) |
2024-01-29 13:00 |
Tokyo | Tokai University Shinagawa Campus (Primary: On-site, Secondary: Online) |
Underwater Acoustic Channel Environment Evaluation Employing a Simple Doubly-Selective Shallow Sea Channel Model Ayano Kunimatsu, Takaaki Shimomura, Kouichi Hashimoto, Taichi Fujita, Hiroshi Kubo (Ritsumeikan Univ.) |
This paper derives channel parameters in severe doubly-selective underwater acoustic channel environments, assuming hori... [more] | |
| SIP, IT, RCS | 2024-01-19 14:30 |
Miyagi | (Primary: On-site, Secondary: Online) |
High-precision delay and Doppler estimation in a pulsed radar system using Gabor division spread spectrum signals Yutaka Jitsumatsu (Tokyo Tech)  IT2023-68 SIP2023-101 RCS2023-243 |
The Gabor-division spread spectrum system is a communication scheme that can estimate the delay and Doppler frequency of... [more] | IT2023-68 SIP2023-101 RCS2023-243 pp.205-210 |
| SRW, SeMI (Joint) |
2023-11-21 17:00 |
Tokyo | Koganei Campus, Tokyo University of Agriculture and Technology (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Adaptive Transmit Power Control for SC-FDE Transmission in Dynamic Radio Propagation Environments Lisa Suzuki, Shuhei Saito, Fumiaki Maehara (Waseda Univ.) SRW2023-30 |
In realizing new mobile applications envisioned for 6G, wireless system design is critical in improving data rates and e... [more] | SRW2023-30 pp.20-21 |
| ITS | 2023-07-14 14:55 |
Gunma | Gunma Univ. (Aramaki) (Primary: On-site, Secondary: Online) |
On the Relationship between Sensing Radius and Accident Reduction Effects of Alert-type Driver Assistance Systems Masahiro Chiba, Takaaki Hasegawa (Saitama Univ.) ITS2023-6 |
This paper describes the effects of drivers’ reaction delays, the sensing radius, the V2V communication radius, and the ... [more] | ITS2023-6 pp.30-39 |
| CCS, NLP | 2023-06-09 11:35 |
Tokyo | Tokyo City Univ. | Delay-Doppler Estimation Using Gabor-Division Spread Spectrum signals Yutaka Jitsumatsu (Tokyo Tech) NLP2023-22 CCS2023-10 |
The main radar systems currently in use include frequency modulated continuous wave (FM-CW) radar and pulse compression ... [more] | NLP2023-22 CCS2023-10 pp.39-44 |
| EMM, IT | 2023-05-11 15:30 |
Kyoto | Rakuyu Kaikan (Kyoto Univ. Yoshida-South Campus) (Primary: On-site, Secondary: Online) |
[Invited Talk]
A Radar Waveform Design for Joint Estimation of Time Delay and Doppler Frequency Yutaka Jitsumatsu (Tokyo Tech) IT2023-6 EMM2023-6 |
The main radar systems currently in use include frequency modulated continuous wave (FM-CW) radar and pulse compression ... [more] | IT2023-6 EMM2023-6 p.30 |
| AP | 2023-02-17 11:50 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Development of Sub-6 GHz Double-Directional Radio Channel Sounder and Urban Cellular Channel Measurement Results Minseok Kim, Tsukada Hibiki, Riku Takahashi, Naoya Suzuki, Hino Issei (Niigata Univ.), Hirokazu Sawada, Takeshi Matsumura (NICT) AP2022-225 |
In recent years, usage scenarios have diversified with the development of wireless communication technology. The importa... [more] | AP2022-225 pp.157-162 |
| IT, RCS, SIP | 2023-01-25 10:50 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Downlink transmission performance for SU-MIMO in Local 5G System under the outdoor environment Hiroki Urasawa, Ryota Bairaku, Takamasa Nishijima, Hayato Soya, Kazuhiro Yamaguchi, Hideaki Matsue (SUS) IT2022-53 SIP2022-104 RCS2022-232 |
In an environment where a local 5G wireless base station was installed on the roof of the research building of our unive... [more] | IT2022-53 SIP2022-104 RCS2022-232 pp.136-141 |
| AP, WPT (Joint) |
2023-01-19 12:05 |
Hiroshima | Hiroshima Institute of Technology (Primary: On-site, Secondary: Online) |
5G radio wave propagation analysis in a city model by large-scale FDTD simulation using the supercomputer "Fugaku" Yoichi Kochibe, Naoki Ebata, Takashi Yamagajo, Wataru Odajima, Hiroaki Watanabe, Hikaru Inoue (Fujitsu) AP2022-182 |
Recently, the utilization of the radio communication technology such as the service start of the fifth-generation mobile... [more] | AP2022-182 pp.30-32 |
| NLP | 2022-08-02 16:20 |
Online | Online | Esimation of Propagation Delay and Doppler Frequency based on Time-Domain and Frequency-Domain Spread Spectrum Signal. Yutaka Jitsumatsu (Tokyo Tech.) NLP2022-38 |
In Direct Sequence Spread Spectrum (DSSS) communications, a symbol interval is divided into chip intervals, and a pseudo... [more] | NLP2022-38 pp.44-49 |
| NS, SR, RCS, SeMI, RCC (Joint) |
2022-07-15 11:20 |
Ishikawa | The Kanazawa Theatre + Online (Primary: On-site, Secondary: Online) |
Transmission performance simulation for SU-MIMO in Local 5G System under the campus outdoor environment HIroki Urasawa, Soya Hayato, Yamaguchi Kazuhiro, Matsue Hideaki (SUS) RCS2022-96 |
When a local 5G wireless base station is installed on the roof of the on-campus research building, the improvement effec... [more] | RCS2022-96 pp.134-139 |
| OPE, OFT, OCS (Joint) [detail] |
2022-02-25 13:05 |
Online | Online | Group delay spread reduction using coupled multicore fibers with twist and bend Kazushi Homma, Takanori Sato, Takeshi Fujisawa (Hokkaido Uni.), Yuto Sagae, Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Uni.) OCS2021-49 OFT2021-79 OPE2021-64 |
We investigate mode coupling characteristics in coupled multicore fibers with twist and bend for reducing the group dela... [more] | OCS2021-49 OFT2021-79 OPE2021-64 pp.40-45(OCS), pp.49-54(OFT), pp.78-83(OPE) |
| RCS, NS (Joint) |
2021-12-16 13:00 |
Nara | Nara-ken Bunka Kaikan and Online (Primary: On-site, Secondary: Online) |
Performance Evaluation of SC-FDE Considering Radiation Pattern in Millimeter-wave and Terahertz Broadband Communications Yuto Oyamada, Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Keita Kuriyama, Yu Ono, Hayato Fukuzono, Masafumi Yoshioka (NTT), Fumiaki Maehara (Waseda Univ.) RCS2021-178 |
With the growing demand for wireless mobile services and the development of fifth- and sixth-generation mobile communica... [more] | RCS2021-178 pp.19-23 |
| RCS, NS (Joint) |
2021-12-17 09:30 |
Nara | Nara-ken Bunka Kaikan and Online (Primary: On-site, Secondary: Online) |
Physical Cell ID Detection Probability with Polarization Receiver Diversity Using NR Synchronization Signals in 3GPP CDL Channel Models Shun Yoneda, Daisuke Inoue, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO) RCS2021-185 |
This paper presents a physical-layer cell identity (PCID) detection probability with polarization receiver diversity usi... [more] | RCS2021-185 pp.51-56 |
| AP, RCS (Joint) |
2021-11-10 15:30 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A Study of Delay Characteristics of Time Domain Channel Model for Terahertz Band Hiroto Ebisawa, Zhaona Wu, Kenta Umebayasi (TUAT), Janne Lehtomaki (University of Oulu), Nizar Zorba (Qatar University) AP2021-105 |
In this paper, we consider the channel model in THz band for future wireless communication systems. To design wireless c... [more] | AP2021-105 pp.28-33 |
| MIKA (3rd) |
2021-10-28 10:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Study on PSO-Based Drone Movement for Delay-Tolerant Drone Networks Hiroyuki Asano, Hiraku Okada, Chedlia Ben Naila, Masaaki Katayama (Nagoya Univ.) |
An emergency communication system where multiple drones are deployed over a large-scale natural disaster area and contin... [more] | |
| IN, NS (Joint) |
2021-03-04 11:00 |
Online | Online | Power saving TCP for Sleep Control in Wireless LAN APs with STAs receiving Download Traffic Masahiro Fukahori, Kenji Kawahara (Kyutech) IN2020-63 |
In recent years, with the rapid increase in the number of public Wi-Fi hotspots, the total power consumption of wireless... [more] | IN2020-63 pp.55-60 |
| NS, RCS (Joint) |
2020-12-18 10:00 |
Online | Online | A Study on Performance Analysis of Single-carrier Modulation with Frequency Domain Equalization in Millimeter-wave and Terahertz Broadband Communications Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Keita Kuriyama, Yu Ono, Hayato Fukuzono, Masafumi Yoshioka (NTT), Fumiaki Maehara (Waseda Univ.) RCS2020-143 |
This report investigates the system capacity of millimeter-wave (mm-wave) and terahertz (THz) broadband communications w... [more] | RCS2020-143 pp.50-53 |
| OPE, LQE | 2020-11-20 15:30 |
Online | Online | The relationship between group index and group delay spread in coupled multicore fibers under macrobending condition Yuki Yasui, Takeshi Fujisawa, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) OPE2020-60 LQE2020-40 |
We reveal the relationship between group index and group delay spread (GDS) in coupled multicore fibers for space divisi... [more] | OPE2020-60 LQE2020-40 pp.75-79 |
| OPE, LQE | 2020-11-20 15:30 |
Online | Online | Suppression of bending loss in coupled few-mode multicore fibers with outer trench layer Kenta Nishimura, Takeshi Fujisawa, Takanori Sato (Hokkaido Univ.), Taiji Sakamoto, Takashi Matsui, Yuto Sagae, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OPE2020-62 LQE2020-42 |
We propose a coupled few-mode multicore fiber with outer trench layer for suppressing both the group delay spread (GDS) ... [more] | OPE2020-62 LQE2020-42 pp.86-91 |
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