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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MIKA (3rd) |
2021-10-29 10:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Adaptive In-band Distortion Compensation for Massive MIMO-OFDM Systems with Deep Peak Cancellation HIroki Hase, Osamu Muta (Kyushu Univ.) |
In massive multi-input multi-output (mMIMO) orthogonal frequency division multiplexing (OFDM) systems, the reduction of ... [more] | |
| RCS | 2021-10-21 16:00 |
Online | Online | [Poster Presentation]
Performance Improvement of Multiuser Massive MIMO Null-Space Expansion Kazuki Maruta (Tokyo Tech), Kabuto Arai, Nobutaka Funaki (Chiba Univ.)  RCS2021-130 |
A significant challenge of the multiuser multiple-input multiple-output (MIMO) is the interference leakage among user te... [more] | RCS2021-130 p.63 |
| CQ, MIKA (Joint) |
2021-09-09 14:40 |
Online | Online | [Invited Talk]
Advancement of Multiuser Massive MIMO Null-Space Expansion Kazuki Maruta (Tokyo Tech) CQ2021-46 |
Massive multiple-input multiple-output (MIMO) technology with base stations having more than a hundred antennas has been... [more] | CQ2021-46 p.46 |
| IN, NS, CS, NV (Joint) |
2021-09-09 14:55 |
Online | Online | Proposal of signal separation using LSTM on wavelength division multiplexed optical wireless communication Masaki Inomata, Takanori Iwamatsu, Saeko Oshiba (KIT) CS2021-43 |
We propose a new method for sequential interference cancellation in wavelength-division multiplexed optical wireless com... [more] | CS2021-43 pp.13-16 |
| SANE | 2021-08-26 14:00 |
Online | Online | A Consideration for Virtual Array in MIMO Radar Hirokazu Kobayashi (Electromagnetic Wave System Lab.) SANE2021-22 |
Multiple-input multiple-output (MIMO) radar that employs multiple antennas to transmit orthogonal waveforms and multiple... [more] | SANE2021-22 pp.1-6 |
| CS | 2021-07-16 09:20 |
Online | Online | Simple transmission rate evaluation for 5G using K-factor in real propagation environment Hiroki Sato, Kentaro Nishimori (Niigata Univ.) CS2021-27 |
In this paper, we report the results of a simple transmission rate evaluation of a 5G system using the K-factor, based o... [more] | CS2021-27 pp.55-60 |
| PN, NS, OCS (Joint) |
2021-06-25 13:00 |
Online | Online | An experimental study on polarization multiplexing of analog RoF signals Yo Nakamura, Amila Kariyawasam, Joji Maeda (Tokyo Univ. of Science) OCS2021-4 |
Analog Radio-over-Fiber (A-RoF) technology is expected to be adopted in next generation mobile fronthauls (MFH) because ... [more] | OCS2021-4 pp.15-19 |
| RCS | 2021-06-23 13:20 |
Online | Online | Investigation on Complexity Reduction in Peak Cancellation Signal-Based PAPR Reduction Method Using Null Space in MIMO Channel Kenta Hosoi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2021-38 |
In this paper, we propose an algorithm to further reduce the computational complexity of the peak-to-average power ratio... [more] | RCS2021-38 pp.56-61 |
| RCS | 2021-06-23 13:30 |
Online | Online | Investigation of PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals in Multiple-Antenna AF Relay Transmission Yuki Sekiguchi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2021-39 |
In the 5th generation mobile communication system and beyond, the importance of relay transmission increases in order to... [more] | RCS2021-39 pp.62-67 |
| CS, CQ (Joint) |
2021-05-14 09:50 |
Online | On-line | Proposal of Channel Matrix Estimation by Using Neural Networks on Wavelength Division Multiplexing Optical Wireless Communication Masaki Inomata, Saki Shibata, Takanori Iwamatsu, Saeko Oshiba (KIT) CS2021-8 |
This paper describes a wavelength division multiplexing (WDM) - optical wireless communication (OWC) system using orth... [more] |
CS2021-8 pp.25-30 |
| RCS | 2021-04-22 11:20 |
Online | Online | A Study on Impact of User-side Fading Correlation on Multi-user Joint Transmit/Receive Diversity Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-3 |
Multi-user joint transmit/receive diversity (JTRD) is able to perform multiuser multiplexing while achieving spatial div... [more] | RCS2021-3 pp.11-16 |
| CAS, CS | 2021-03-02 13:50 |
Online | Online | Study on Combination of Phase Rotation and ASK for SD-SM-MIMO Yuta Ida (Yamaguchi Univ.), Kazuki Maruta (Tokyo Tech.), Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) CAS2020-83 CS2020-90 |
For multiple-input multiple-output (MIMO) systems, SD-SM-MIMO which combines the space division multiplexing (SD) and sp... [more] | CAS2020-83 CS2020-90 pp.65-70 |
| SIP, IT, RCS | 2021-01-22 16:45 |
Online | Online | Theoretical Study of User-wise Joint Transmit-receive Diversity for Multi-user MIMO Communication Fumiyuki Adachi, Ryou Takahashi (Tohoku Univ.) IT2020-100 SIP2020-78 RCS2020-191 |
Multi-user MIMO spatial multiplexing has been recognized as an indispensable technique to significantly improve the spec... [more] | IT2020-100 SIP2020-78 RCS2020-191 pp.206-211 |
| ITS, WBS, RCC | 2020-12-14 09:30 |
Online | Online | An Overloaded MU-MIMO OFDM/SC-CP Signal Detection Method using Non-Convex Sparse Regularizers and Group Sparsity Ayano Nakai-Kasai (Kyoto Univ.), Atsuya Hirayama, Hiroki Honda, Tetsuya Sasaki, Hideki Yasukawa (Osaka City Univ.), Ryo Hayakawa (Osaka Univ.), Kazunori Hayashi (Kyoto Univ.) WBS2020-8 ITS2020-4 RCC2020-11 |
This paper proposes low-latency signal detection methods for overloaded MU-MIMO (Multi-User Multi-Input Multi-Output) OF... [more] | WBS2020-8 ITS2020-4 RCC2020-11 pp.1-6 |
| RCS | 2020-10-22 11:25 |
Online | Online | Multi-user MIMO coordinated with user-wise joint transmit-receive diversity using linear antenna array at BS Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2020-96 |
Multi-user MIMO spatial multiplexing has been recognized as an indispensable technique to significantly improve the spec... [more] | RCS2020-96 pp.24-29 |
| AP | 2020-10-02 14:00 |
Okinawa | 2 sub sites and online (Primary: On-site, Secondary: Online) |
[Tutorial Lecture]
Antenna Pattern Multiplexing for Receive Antennas with Massive Outputs and Reduced Cost Masato Saito (Ryukyu Univ.) AP2020-72 |
We have been studied Antenna Pattern Multiplexing (APM) technique suitable for receivers of Single-Input Multiple-Outp... [more] |
AP2020-72 pp.23-28 |
| SR, NS, SeMI, RCC, RCS (Joint) |
2020-07-08 14:15 |
Online | Online | Zero-forcing based Multi-user MIMO Coordinated with User-wise Joint Transmit-receive Diversity Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2020-65 |
Multi-user MIMO multiplexing coordinated with spatial diversity is a promising technique to improve the transmission qua... [more] | RCS2020-65 pp.43-48 |
| RCS | 2020-06-25 13:00 |
Online | Online | A Study on DLDC-Aided Joint Signal Processing for Unified Optical and Wireless Channels Yoshikatsu Wakabayashi, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) RCS2020-35 |
One of the solutions for utilizing the high-frequency band is to deploy multiple distributed units (DU) under a central ... [more] | RCS2020-35 pp.73-77 |
| RCS | 2020-06-25 13:25 |
Online | Online | PC-Signal-Based PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals under Frequency-Selective Fading Channel Leon Yamaguchi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-36 |
In this paper, we propose a computational complexity-efficient algorithm for the adaptive peak-to-average power ratio (P... [more] | RCS2020-36 pp.79-84 |
| RCS | 2020-06-25 13:50 |
Online | Online | User Group Selection Method in Multiuser MIMO-OFDM Transmission with Adaptive PAPR Reduction Using Null Space in MIMO Channel Shyunsei Shin (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-37 |
In this paper, we investigate the user group selection method in multiuser multiple-input multiple-output (MIMO)- orthog... [more] | RCS2020-37 pp.85-90 |
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