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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CQ, CBE (Joint) |
2025-01-31 14:10 |
Fukuoka | (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
Capacity Map Estimation Method based on LOS/NLOS Information and range attenuation in Factory Environments Kaito Tanaka, Takahiro Matsuda, Shino Shiraki (Tokyo Metropolitan Univ.), Yoshiaki Nishikawa (Tokyo Metropolitan Univ. /NEC), Eiji Takahashi, Takeo Onishi, Toshiki Takeuchi, Kazushi Muraoka (NEC) |
[more] | |
| NS, RCS (Joint) |
2024-12-19 10:55 |
Hokkaido | Hakodate Arena + Online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
A Study on Doppler Shift Pre-compensation for Antenna Switching in mmWave Backhaul Communication for High-Speed Mobility Daichi Shirase, Toshiki Takeuchi, Kazushi Muraoka (NEC)  RCS2024-178 |
We propose a Doppler frequency offset (DFO) pre-compensation scheme to address abrupt DFO changes during the switching o... [more] | RCS2024-178 pp.19-24 |
| RCS | 2024-06-20 10:10 |
Okinawa | (Okinawa, Online) (Primary: On-site, Secondary: Online) |
A Study on Mutual Information Prediction after Iterative Signal Detection for MCS Selection in Massive Multi-User MIMO-OFDM Fuga Kobayashi, Takumi Takahashi (Osaka Univ.), Sinsuke Ibi (Doshisha Univ.), Kazushi Muraoka, Takanobu Doi, Naoto Ishii (NEC), Hideki Ochiai (Osaka Univ.) RCS2024-56 |
To maximize spectral efficiency in the uplink of a massive multi-user multi-input multi-output orthogonal frequency-divi... [more] | RCS2024-56 pp.168-173 |
| AP, RCS (Joint) |
2023-11-15 14:30 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Kumamoto, Online) (Primary: On-site, Secondary: Online) |
Integrated Radio Resource and User-Cluster Allocation for mmWave Distributed MIMO with Partial MMSE Daichi Shirase, Kazushi Muraoka, Jun Shikida (NEC) RCS2023-158 |
This paper proposes a novel integrated radio resource and user-cluster allocation for mmWave distributed MIMO (D-MIMO) w... [more] | RCS2023-158 pp.33-38 |
| IT, RCS, SIP | 2023-01-24 14:50 |
Gunma | Maebashi Terrsa (Gunma, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Machine Learning and Deep Learning-Aided Wireless Physical Layer Techniques Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Daichi Shirase, Takanobu Doi, Kazushi Muraoka, Naoto Ishii (NEC) IT2022-42 SIP2022-93 RCS2022-221 |
[more] | IT2022-42 SIP2022-93 RCS2022-221 pp.72-77 |
| IT, RCS, SIP | 2023-01-25 12:20 |
Gunma | Maebashi Terrsa (Gunma, Online) (Primary: On-site, Secondary: Online) |
A Study on Wireless Autoencoder for Data-Aided Channel Estimation Yoshinori Ichihashi, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Takanobu Doi, Kazushi Muraoka, Naoto Ishii (NEC), Hisato Iwai (Doshisha Univ.) IT2022-56 SIP2022-107 RCS2022-235 |
In MIMO (Multiple-Input Multiple-Output) channels, when the channel matrix is obtained by the Data-Aided Channel Estimat... [more] | IT2022-56 SIP2022-107 RCS2022-235 pp.154-159 |
| RCS, NS (Joint) |
2022-12-15 16:10 |
Aichi | Nagoya Institute of Technology, and Online (Aichi, Online) (Primary: On-site, Secondary: Online) |
A Study on Outer Loop Link Adaptation in Massive MIMO with Multi-user Detection via Generalized Approximate Message Passing Takanobu Doi, Jun Shikida, Daichi Shirase, Kazushi Muraoka, Naoto Ishii (NEC), Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.) RCS2022-196 |
With the ever-growing demand for uplink communications in beyond fifth generation mobile communications (beyond 5G), mas... [more] | RCS2022-196 pp.57-62 |
| PN | 2022-03-01 15:00 |
Online | Online (Online) | [Invited Talk]
Evaluation of the Link Budget Increase using Error-Tolerant TCPs for Optical Communication in Nonlinear Regime on 200G PM-16QAM Real-time Communication Yohei Hasegawa, Hidemi Noguchi, Morihiko Ota, Kazushi Muraoka (NEC Corp.) PN2021-62 |
We have proposed a concept of large-capacity optical communications with the relaxed error rate constraint. In this talk... [more] | PN2021-62 pp.48-53 |
| AP, RCS (Joint) |
2021-11-11 10:55 |
Nagasaki | NBC-Bekkan (Nagasaki) (Nagasaki, Online) (Primary: On-site, Secondary: Online) |
A Study on Receive Beamforming for Multi-User Detection with Trainable Gaussian Belief Propagation Takanobu Doi, Jun Shikida, Kazushi Muraoka, Naoto Ishii (NEC), Daichi Shirase, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.) RCS2021-159 |
We propose two digital receive beamforming (BF) methods for low-complexity and high-accuracy uplink signal detection via... [more] | RCS2021-159 pp.86-91 |
| RCS, SR, NS, SeMI, RCC (Joint) |
2021-07-16 09:50 |
Online | Online (Online) | A study on Negentropy-Aware Deep Unfolding for Coded MIMO Detection via Gaussian Belief Propagation Daichi Shirase, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Kazushi Muraoka, Takanobu Doi, Naoto Ishii (NEC), Seiichi Sampei (Osaka Univ.) RCS2021-95 |
[more] | RCS2021-95 pp.86-91 |
| SR, NS, SeMI, RCC, RCS (Joint) |
2020-07-09 13:50 |
Online | Online (Online) | A Study on Deep Unfolding-aided Gaussian Belief Propagation for Correlated Large MIMO Signal Detection Daichi Shirase, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Kazushi Muraoka, Naoto Ishii (NEC), Seiichi Sampei (Osaka Univ.) RCC2020-6 NS2020-35 RCS2020-69 SR2020-14 SeMI2020-6 |
[more] | RCC2020-6 NS2020-35 RCS2020-69 SR2020-14 SeMI2020-6 pp.25-30(RCC), pp.25-30(NS), pp.67-72(RCS), pp.31-36(SR), pp.19-24(SeMI) |
| RCS | 2020-06-25 15:45 |
Online | Online (Online) | A Study on Trainable Gaussian Belief Propagation Using Deep Unfolding for Large MIMO Signal Detection Daichi Shirase, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Kazushi Muraoka, Naoto Ishii (NEC), Seiichi Sampei (Osaka Univ.) RCS2020-41 |
[more] | RCS2020-41 pp.109-114 |
| AP, WPT (Joint) |
2020-01-24 10:15 |
Kagawa | Sunport Hall Takamatsu (Kagawa) | [Invited Lecture]
Vehicle Penetration Loss Characteristics for the shinkansen from 2GHz to 28GHz Bands Minoru Inomata, Tetsuro Imai, Kazushi Muraoka, Nobuhide Nonaka, Satoshi Suyama, Koshiro Kitao, Yukihiko Okumura, Takahiro Asai (NTT DOCOMO, INC), Yoshihiro Matsumura (Central Japan Railway Company) AP2019-168 |
Mobile telephone operators around the world are now working hard to introduce 5G services. With 5G, 3.7, 4.5, 28 GHz ban... [more] | AP2019-168 pp.99-103 |
| NS, RCS (Joint) |
2019-12-20 14:55 |
Tokushima | Tokushima Univ. (Tokushima) | 28GHz Band 5G Experimental Trial in High Mobility Environment Using the Shinkansen Nopbuhide Nonaka, Kazushi Muraoka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai (NTT DOCOMO), Yoshihiro Matsumura (JR Central) RCS2019-264 |
Commercial services in fifth-generation (5G) mobile communication system will start by using 3.7 GHz, 4.5 GHz, and 28 GH... [more] | RCS2019-264 pp.145-150 |
| AP, RCS (Joint) |
2019-11-20 11:20 |
Saga | Saga Univ. (Saga) | [Encouragement Talk]
Low-Complexity User Selection Algorithm for High SHF-Band Multiuser Massive MIMO Using Hybrid Beamforming Nobuhide Nonaka, Kazushi Muraoka, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2019-205 |
The 5th Generation (5G) radio access network will introduce Massive MIMO technology at higher frequency bands with wider... [more] | RCS2019-205 pp.13-18 |
| RCS | 2019-10-25 10:20 |
Kanagawa | Yokosuka Research Park (Kanagawa) | 28-GHz Band 5G Downlink Throughput Enhancement Using Reflectarray with Variable Phase Shifter Yuta Takahashi (NTT Docomo Inc.), Yuta Takahashi (Iwate Univ.), Junichi Abe, Kazushi Muraoka, Satoshi Suyama, Yuji Aburakawa (NTT Docomo Inc.) RCS2019-194 |
SHF band (3 to 30 GHz) radio waves, used for fifth-generation (5G) mobile communication systems, has an issue to establi... [more] | RCS2019-194 pp.89-94 |
| SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-11 10:00 |
Osaka | I-Site Nanba（Osaka） (Osaka) | Performance Evaluation of Downlink Multi-user MIMO with Moving User Equipment using Low-SHF-Band C-RAN Massive MIMO System Jiang Yi, Kohei Izui, Kenichiro Yamazaki (NEC), Tatsuki Okuyama, Kazushi Muraoka, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO, INC.) RCS2019-111 |
In order to tackle rapid increase of data traffic and diversification of mobile service, 5G wireless access system intro... [more] | RCS2019-111 pp.57-62 |
| RCS | 2019-06-21 16:50 |
Okinawa | Miyakojima Hirara Port Terminal Building (Okinawa) | Indoor Experimental Trial on MU-MIMO Transmission for High SHF Wide-band Massive MIMO in 5G Nobuhide Nonaka, Kazushi Muraoka, Satoshi Suyama, Jun Mashino (NTT DOCOMO), Kenichirou Kamohara, Manabu Sakai, Kuniyuki Suzuki, Hiroki Iura (Mitsubishi Electric), Yukihiko Okumura (NTT DOCOMO) RCS2019-100 |
[more] | RCS2019-100 pp.371-376 |
| RCS | 2019-04-18 11:20 |
Hokkaido | Noboribetsu Grand Hotel (Hokkaido) | 28 GHz-Band Experimental Trial of Downlink Massive MIMO in Urban Railway Environment Kazushi Muraoka, Nobuhide Nonaka, Yuta Takahashi, Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2019-5 |
Field trials of the fifth-generation (5G) mobile communication system using 28 GHz band at which 400 MHz band will be av... [more] | RCS2019-5 pp.23-28 |
| RCS | 2019-04-18 11:45 |
Hokkaido | Noboribetsu Grand Hotel (Hokkaido) | Experimental evaluation of wireless LAN with distributed smart antenna system on a train Koichi Ishihara, Masayoshi Nabeshima, Takafumi Hayashi, Yasushi Takatori (NTT), Kazushi Muraoka, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2019-6 |
We have proposed a distributed smart antenna system (D-SAS) for wireless LAN, which suppresses the interference among OB... [more] | RCS2019-6 pp.29-34 |
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