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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CAS, CS | 2024-03-15 09:45 |
Okinawa | 4 wave length division multiplexing visible light communication using neural network Naoki Umezawa, Saeko Oshiba (KIT)  CAS2023-126 CS2023-119 |
In this study, we investigated a signal separation method for wavelength division multiplexing visible light wireless co... [more] | CAS2023-126 CS2023-119 pp.84-87 |
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| RCS, SR, SRW (Joint) |
2024-03-13 09:55 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
User Scheduling based on Expanded Null-Space for Massive MIMO Yuki Sasaki (Tokyo Univ. of Scince), Kabuto Arai (The Univ. of Electro-Communications), Jin Nakazato (UTokyo), Kazuki Maruta (Tokyo Univ. of Scince) RCS2023-250 |
This paper proposes a user scheduling scheme for multi-user massive MIMO (MU-mMIMO), particularly effective in time-vary... [more] | RCS2023-250 pp.1-6 |
| RCS, SR, SRW (Joint) |
2024-03-13 13:10 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Beamforming/Null-steering for Millimeter-wave Transmission in High Mobility Environment Kazuki Maruta, Yuki Sasaki, Sojin Ozawa (Tokyo Univ. of Science), Kazuto Arai (The Univ. of Electro-Communications), Jin Nakazato, Manabu Tsukada (UTokyo) SRW2023-52 |
Spatial multiplexing performance of the multi-user MIMO is deteriorated in the mobility environment, especially using th... [more] | SRW2023-52 p.39 |
| SIP, IT, RCS | 2024-01-19 14:55 |
Miyagi | (Primary: On-site, Secondary: Online) |
Performance of the Joint PAPR Reduction Method Using Null Space in Channel for MIMO-OFDM Signals and Predistortion Techniques in Multiple-Antenna AF-type Relay Transmission Asuka Kakehashi, Kenichi Higuchi (Tokyo Univ. of Science) IT2023-69 SIP2023-102 RCS2023-244 |
The combination of the peak-to-average power ratio (PAPR) reduction and predistortion (PD) technique removes the nonline... [more] | IT2023-69 SIP2023-102 RCS2023-244 pp.211-216 |
| ITS, WBS, RCC | 2023-12-22 15:15 |
Okinawa | (Primary: On-site, Secondary: Online) |
Bit Error Rate of Noise Aided 2x2 SFBC-MIMO-OFDM Systems with 1bit ADCs Hideaki Sakayama, Masato Saito (Ryukyu Univ.), Takaya Yamazato (Nagoya Univ.) WBS2023-59 ITS2023-42 RCC2023-53 |
In this study, we conduct a Bit Error Rate (BER) performance evaluation in a $2times2$ Space-Frequency Block Code (SFBC)... [more] | WBS2023-59 ITS2023-42 RCC2023-53 pp.161-166 |
| SRW, SeMI (Joint) |
2023-11-21 17:00 |
Tokyo | Koganei Campus, Tokyo University of Agriculture and Technology (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Study on Effectiveness of MIIMO in Polarized OAM Multiplexing Mikito Ito, Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.) SRW2023-31 |
In this report, we investigate the effectiveness of multiple-input multiple-output (MIMO) on the polarized OAM multiplex... [more] | SRW2023-31 pp.22-23 |
| AP, RCS (Joint) |
2023-11-15 16:00 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
Location-Based Broad-Range Null-Steering in V2I Multiuser MIMO Transmission Yuki Sasaki, Sojin Ozawa (Tokyo Univ. of Science), Kabuto Arai (The Univ. of Electro-Communications), Jin Nakazato, Manabu Tsukada (UTokyo), Kazuki Maruta (Tokyo Univ. of Science) RCS2023-161 |
This paper proposes a location based broad-range null-steering (BRNS) scheme for vehicle to everything (V2X) multiuser M... [more] | RCS2023-161 pp.51-56 |
| AP, RCS (Joint) |
2023-11-16 13:00 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Invited Talk]
User Terminal Collaborated MIMO Communications Exploiting Higher-Frequency Bands
-- Prototyping 12-multiplexing equipment with collaboration at 26 GHz -- Hidekazu Murata (Yamaguchi Univ.) AP2023-145 RCS2023-168 |
This paper introduces a transmission/reception technique based on mobile terminal collaboration that equivalently increa... [more] | AP2023-145 RCS2023-168 p.79(AP), p.83(RCS) |
| RCS | 2023-10-20 15:15 |
Kagawa | Kagawa University (Saiwai-cho Campus), and online (Primary: On-site, Secondary: Online) |
Application of Joint Transmit-Receive Diversity to A Cellular Distributed MU-MIMO System Ryo Takahashi (PSNRD), Hidenori Matsuo (Panasonic Holdings), Fumiyuki Adachi (Tohoku Univ.) RCS2023-148 |
Cellular distributed multiuser MIMO (MU-MIMO) is a cellular system in which a wide communication service area is divided... [more] | RCS2023-148 pp.90-95 |
| OFT, OCS, LSJ (Joint) [detail] |
2023-08-25 11:20 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Real-time 114-SDM transmission over a 6-mode 19-core fiber using real-time MIMO DSP Shohei Beppu (KDDI Research), Masahiro Kikuta, Masahiro Shigihara (NEC Platforms), Koji Igarashi (Osaka University), Daiki Soma, Yuta Wakayama, Noboru Yoshikane (KDDI Research) OCS2023-25 |
Space-division multiplexing (SDM) transmission systems, in which multiple channels with different spatial paths are mult... [more] | OCS2023-25 pp.33-38 |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-13 13:00 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals at Multiple-Antenna AF Relay Station Considering Direct Link Asuka Kakehashi (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-91 |
In this study, assuming downlink amplify-and-forward (AF)-type relaying of multiple-input multiple-output (MIMO)-orthogo... [more] | RCS2023-91 pp.58-63 |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-13 13:25 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
Peak Cancellation Signal-Based PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals under Frequency-Selective Fading Channel Jun Saito, Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-92 |
In this paper, we propose a parallel peak cancellation (PC) method in the peak-to-average power ratio (PAPR) reduction u... [more] | RCS2023-92 pp.64-69 |
| SIS, IPSJ-AVM [detail] | 2023-06-15 14:50 |
Shimane | NIT, Matsue College (Primary: On-site, Secondary: Online) |
A study on blind IQ imbalance compensation and channel equalization for wideband MIMO-OFDM Takuma Yamada, Naoto Sasaoka, Tadao Nakagawa (Tottori Univ.) SIS2023-9 |
(To be available after the conference date) [more] | SIS2023-9 pp.45-50 |
| RCS | 2023-06-14 09:30 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Study on Subarray Beam Control for Sub-Terahertz-Band MIMO Spatial Multiplexing Naoki Hamada, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-28 |
In 6th generation mobile communication system (6G), the use of sub-Terahertz band (100–300 GHz) is being considered to r... [more] | RCS2023-28 pp.1-6 |
| RCS | 2023-06-15 10:00 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A Study on Joint Peak Cancellation and In-band Distortion Compensation for Precoded Massive MIMO-OFDM with Uniform Planar Array, Part-II Mirena Omoto, Riku Nojima, Osamu Muta (Kyushu Univ.), Kazuki Maruta (Tokyo Univ. of Science) RCS2023-50 |
The authors have proposed an in-band distortion compensation (IDC) scheme for peak cancellation (PC) based peak-to-avera... [more] | RCS2023-50 pp.129-134 |
| RCS | 2023-06-15 10:10 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Investigation of PAPR Reduction Method Using Null Space in MIMO Channel for Massive MIMO-OFDM Signals with Uniform Planar Array Soma Taguchi (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-51 |
In this paper, we consider the application of our previously reported PCCNC (peak cancellation with channel-null constra... [more] | RCS2023-51 pp.135-140 |
| RCS | 2023-06-15 10:30 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
PAPR Reduction Method Utilizing Difference in Eigenvalues Among Spatial Channels in Uplink Eigenmode Massive MIMO Transmission Yuta Abekura (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-52 |
In this paper, we propose a peak-to-average power ratio (PAPR) reduction method utilizing difference in eigenvalues amon... [more] | RCS2023-52 pp.141-146 |
| RCS, SR, SRW (Joint) |
2023-03-01 15:40 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Effect of Phase Noise for Beyond 5G Virtualized Terminal with MIMO Yasuaki Yuda, Tomohiro Kimura, Shotaro Maki, Akihiko Nishio (Panasonic) RCS2022-261 |
Towards the Beyond 5G/6G, the “virtualized terminal” system is studied. In the virtualized terminal system, a user termi... [more] | RCS2022-261 pp.82-87 |
| OCS, OFT, OPE (Joint) [detail] |
2023-02-17 11:55 |
Okinawa | kukuru-itomancity (Primary: On-site, Secondary: Online) |
Investigation of optical frequency domain mode equalizer using spatial light modulator Yuta Goto, Satoshi Shinada (NICT), Atsushi Okamoto (Hokkaido Univ.), Hideaki Furukawa (NICT) OCS2022-83 OPE2022-112 |
In the mode-division multiplexing transmission, although the multi-input multi-output (MIMO) processing is required in t... [more] | OCS2022-83 OPE2022-112 pp.68-72(OCS), pp.93-97(OPE) |
| IT, RCS, SIP | 2023-01-25 11:55 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
A Study on Evaluation of Non-Gaussianity in Two-Stage ICA-Aided Blind Signal Separation Taisuke Nogami, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) IT2022-55 SIP2022-106 RCS2022-234 |
In the Internet of Things (IoT) communications, which will play an important role in the next-generation wireless commun... [more] | IT2022-55 SIP2022-106 RCS2022-234 pp.148-153 |
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