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All Technical Committee Conferences (Searched in: Recent 10 Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SIP, IT | 2025-01-30 09:55 |
Yamaguchi | Kaikyou-messe (Yamaguchi, Online) (Primary: On-site, Secondary: Online) |
PRACH Detection Probability in the Presence of Strong Phase Noise for NR Uplink in Sub-THz Bands Satoshi Tsuyuki, Yoshinobu Ohta, Takashi Ohiwa, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Suyama (NTT DOCOMO)  IT2024-57 SIP2024-96 RCS2024-240 |
This paper presents the miss-detection probability (MDP) for the physical random access channel(PRACH) in the presence o... [more] | IT2024-57 SIP2024-96 RCS2024-240 pp.180-185 |
| RCS, SIP, IT | 2025-01-30 10:30 |
Yamaguchi | Kaikyou-messe (Yamaguchi, Online) (Primary: On-site, Secondary: Online) |
Multiplexing Scheme for Initial Access Control Signals Using Dedicated Frequency Bandwidth in Sub-THz Communications Mamoru Sawahashi, Takashi Ohiwa (Tokyo City Univ.), Satoshi Suyama (NTT DOCOMO) IT2024-58 SIP2024-97 RCS2024-241 |
This paper proposes a scheme that multiplexes control signals for initial access using a dedicated frequency bandwidth i... [more] | IT2024-58 SIP2024-97 RCS2024-241 pp.186-191 |
| RCS, AP (Joint) |
2024-11-15 16:40 |
Ishikawa | (Ishikawa, Online) (Primary: On-site, Secondary: Online) |
Miss Detection Probability of PRACH for NR Air Interface When Multiple UEs Transmit PRACH Yoshinobu Ota, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Suyama (NTT DOCOMO) RCS2024-173 |
In this paper, the Miss Detection Probability (MDP) of the Physical Random Access Channel (PRACH) of the New Radio (NR) ... [more] | RCS2024-173 pp.101-106 |
| RCS, AP (Joint) |
2024-11-15 17:05 |
Ishikawa | (Ishikawa, Online) (Primary: On-site, Secondary: Online) |
BER of QAM Schemes with LDPC Coding in the Presence of Phase Noise for LOS Multipath Fading Channels in Sub-THz Bands Manato Murakami, Takashi Ohiwa, Yoshiki Mori, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Suyama (NTT DOCOMO) RCS2024-174 |
This paper presents bit error rate (BER) performance for QAM schemes associated with low-density parity-check (LDPC) cod... [more] | RCS2024-174 pp.107-112 |
| RCS | 2024-10-18 10:55 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
PCID Detection Probabilities in the Presence of CFO and Strong Phase Noise for Sub-THz Band Takashi Ohiwa, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata, Satoshi Suyama (NTT DOCOMO) RCS2024-144 |
This paper presents detection probabilities of physical layer cell ID (PCID) in the presence of large carrier frequency ... [more] | RCS2024-144 pp.51-56 |
| AP, SANE, SAT (Joint) |
2024-07-25 12:10 |
Hokkaido | Frontier Research in Applied Sciences Building, Hokkaido University (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Evaluating Inter and Intra-System Interference in HAPS and 5G Coexistence at 38 GHz using 3D Cell Control Technology Yuki Hokazono, Yuto Muroki, Atsunori Shimamura, Hinata Kohara, Megumi Ozono, Hirofumi Nakajo, Kenji Fukasawa (NTT DOCOMO INC.), Hiromu Kitanozono (SKY Perfect JSAT) SAT2024-24 |
The utilization of the wideband 38 GHz frequencies, as allocated at the 2019 World Radiocommunication Conference(WRC–19)... [more] | SAT2024-24 pp.52-57 |
| RCS | 2024-06-21 13:10 |
Okinawa | (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Beam Selection Algorithm with BS Digital Null Beamforming in RIS-empowered 6G System Dan Mohri, Satoshi Suyama, Yuyuan Chang, Huilling Jiang (NTT DOCOMO) RCS2024-79 |
The 6th generation mobile communication system (6G) is expected to achieve ultra-high-speed communication with peak data... [more] | RCS2024-79 pp.299-304 |
| CQ, CS (Joint) |
2024-05-17 11:30 |
Aichi | (Aichi, Online) (Primary: On-site, Secondary: Online) |
[Special Invited Talk]
Wireless Communication Quality Prediction Using Physical Spatial Information Hisashi Nagata, Riichi Kudo, Kahoko Takahashi, Takafumi Fujita (NTT), Yuya Aoki, Yoshifumi Morihiro (NTT DOCOMO INC.) CS2024-5 CQ2024-11 |
[more] | CS2024-5 CQ2024-11 p.11(CS), p.34(CQ) |
| IE, MVE, CQ, IMQ (Joint) [detail] |
2024-03-15 15:10 |
Okinawa | Okinawa Sangyo Shien Center (Okinawa, Online) (Primary: On-site, Secondary: Online) |
The Effect of Virtual Hand on User Experience and Performance of Virtual Keypad with Self-Haptics Daiki Hagimori, Yuki Yamada, Kenichiro Kawamoto (NTT DOCOMO) IMQ2023-80 IE2023-135 MVE2023-109 |
(To be available after the conference date) [more] | IMQ2023-80 IE2023-135 MVE2023-109 pp.358-363 |
| PEM (Workshop) |
2023-11-27 - 2023-11-28 |
Hokkaido | Hokkaido Univ. Frontier Research in Applied Sciences Building (Hokkaido) | Interference-Induced Voltage Measurement for EMI Assessment of Implantable Medical Devices by Exposure to 5G Frequency Radio Wave using Electro-Optical Converter Funa Tsumura, Shuhei Waki, Takashi Hikage (Hokkaido Univ.), Yoshitoshi Tochikura, Takahiro Iyama, Junji Higashiyama, Yasunori Suzuki (NTT DOCOMO INC.) |
To investigate the interference implications in the micro/millimeter wave bands of the increasingly popular 5G technolog... [more] | |
| MIKA (3rd) |
2023-10-10 15:35 |
Okinawa | Okinawa Jichikaikan (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Study of wireless access technique using multiple terminal cooperation Tomoya Kageyama, Takayuki Yamada, Riichi Kudo (NTT), Yuya Aoki, Yoshifumi Morihiro (NTT DOCOMO) |
With increases in demand for mobile traffic, high-frequency bands such as millimeter waves (mmWave) are being utilized. ... [more] | |
| AP | 2023-03-16 15:00 |
Toyama | Toyama Prefectural Civic Hall (Toyama, Online) (Primary: On-site, Secondary: Online) |
A Study of Multipath Estimation using Color Images Method Takahiro Tomie, Satoshi Suyama, Koshiro Kitao, Mitsuki Nakamura (NTT DOCOMO INC.) AP2022-239 |
Currently, research and development of realization of the 6th generation mobile communication system (6G) are carried ou... [more] | AP2022-239 pp.31-36 |
| AP | 2023-02-15 11:25 |
Miyagi | Tohoku University, Aobayama Campus (Miyagi, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Research and Development of Antenna Device for HAPS Ground Station Composed of 2-Axis Mechanically Driven Gimbal and Lens Antenna Go Otsuru, Hiroyuki Tsuji, Ryu Miura (NICT), Jun Suzuki (SKY Perfect JSAT), Yoshihisa Kishiyama (NTT DOCOMO) AP2022-201 |
In Beyond 5G/ 6G era, a three-dimensional seamless network integrating terrestrial and non-terrestrial network is expect... [more] | AP2022-201 pp.23-28 |
| RCS | 2022-10-28 11:20 |
Ehime | Ehime University, and online (Ehime, Online) (Primary: On-site, Secondary: Online) |
Transmission experiment with delay generator for realization of HAPS network Hinata Kohara, Yuki Hokazono, Yuto Muroki, Kenji Fukasawa, Yoshihisa Kishiyama (NTT DOCOMO), Jun Suzuki, Hiromu Kitanozono (SKY Perfect JSAT) RCS2022-146 |
We are focusing on the provision of communication areas from the sky by satellites and High-Altitude Platform Stations (... [more] | RCS2022-146 pp.89-94 |
| RCS, NS (Joint) |
2021-12-17 09:30 |
Nara | Nara-ken Bunka Kaikan and Online (Nara, 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 |
| RCS, NS (Joint) |
2021-12-17 09:55 |
Nara | Nara-ken Bunka Kaikan and Online (Nara, Online) (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
SS/PBCH Block Features and PCID/Radio Frame Timing Detection Methods for NR Radio Interface Mamoru Sawahashi, Daisuke Inoue, Kyogo Ota (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO) RCS2021-186 |
This paper presents sequences and multiplexing schemes of synchronization signals of SS/Physical Broadcast Channel (PBCH... [more] | RCS2021-186 pp.57-62 |
| RCS, SAT (Joint) |
2021-08-26 15:15 |
Online | Online (Online) | [Invited Lecture]
Development of HAPS Backhaul System using mmWave Frequency
-- HAPS as a NTN System for 5G and Beyond -- Hiromu Kitanozoo, Jun Suzuki (SJC), Yoshihisa Kishiyama, Yuki Hokazono (NTT DOCOMO), Takayuki Sotoyama, Mikihiro Ouchi (Panasonic), Ryu Miura, Hiroyuki Tsuji (NICT) SAT2021-30 RCS2021-105 |
In order to support the mid-2020 and beyond, the development of high-speed, high-capacity wireless communication systems... [more] | SAT2021-30 RCS2021-105 pp.14-19(SAT), pp.32-37(RCS) |
| RCS, SAT (Joint) |
2021-08-26 15:40 |
Online | Online (Online) | [Invited Lecture]
Beyond 5G and 6G for extreme coverage extension: Non-Terrestrial Network trends and performance evaluation of HAPS Yuki Hokazono, Yoshihisa Kishiyama, Takahiro Asai (NTT DOCOMO INC.) SAT2021-31 RCS2021-106 |
In Beyond 5G & 6G era, extreme coverage extension is being studied for use cases in all places including air, sea, and s... [more] | SAT2021-31 RCS2021-106 p.20(SAT), p.38(RCS) |
| RCS, SAT (Joint) |
2021-08-27 18:00 |
Online | Online (Online) | Measurement on 39 GHz band radio propagation characteristics for coverage extension from the sky Yuki Hokazono, Yoshihisa Kishiyama, Takahiro Asai (NTT DOCOMO INC.), Tetsumi Takamori, Jun Suzuki, Hiromu Kitanozono (SKY Perfect JSAT Corporation) SAT2021-41 |
While the 5G is expected to be an important technology for regional development and solving regional issues, a key issue... [more] | SAT2021-41 pp.73-78 |
| RCS | 2021-06-24 13:50 |
Online | Online (Online) | A Study on How to Optimize the Transmission Power of pico-eNB in Multiband HetNets Ayumi Yoneyama (Kogakuin Univ.), Satoshi Suyama, Takahiro Asai (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.) RCS2021-58 |
Two types of fifth-generation (5G) mobile systems have been diffused worldwide. One is called as 5G New Radio (NR) SA (S... [more] | RCS2021-58 pp.175-179 |
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