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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SR, SRW (Joint) |
2024-03-15 13:50 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Time-Varying Channel Prediction Considering Angle-of-Arrival Variation for Hybrid Massive MIMO Communications Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO)  RCS2023-287 |
For 5G massive MIMO systems, hybrid beamforming (HB), which is composed of analog beamforming (AB) and digital beamformi... [more] | RCS2023-287 pp.146-151 |
| EMM | 2024-03-03 10:00 |
Overseas | Day1:JEJU TECHNOPARK, Day2:JEJU Business Agency | [Poster Presentation]
Estimation of scaling rate and rotation angle using pilot signal for image watermarking
-- Estimation using radon transform -- Rinka Kawano, Masaki Kawamura (Yamaguchi Univ.) EMM2023-94 |
To construct a robust watermarking method against geometric attacks, conventional methods extract watermarks and correct... [more] | EMM2023-94 pp.28-33 |
| SAT, SANE (Joint) |
2024-02-09 09:55 |
Kagoshima | AmaHome PLAZA (Amami City Shimin Koryu Center) (Primary: On-site, Secondary: Online) |
Study on non-linear compensation for LDM transmission in satellite broadcasting system
-- Improving transmission performance using DPD and pilot signals -- Masaaki Kojima, Yuki Koizumi, Masashi Kamei (NHK) SAT2023-69 |
We are considering a satellite broadcasting system with layered division multiplexing (LDM) scheme that multiplexes two ... [more] | SAT2023-69 pp.55-59 |
| RCS, SAT (Joint) |
2023-08-31 09:50 |
Nagano | Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
Improving Performance of LDM Transmission against Non-linear Distortion in Satellite Broadcasting System
-- Decoding Method of LL Signal with Pilot Signals -- Yuki Koizumi, Masaaki Kojima, Masashi Kamei (NHK) SAT2023-35 |
We are developing a satellite broadcasting system with layered division multiplexing (LDM) scheme that multiplexes multi... [more] | SAT2023-35 pp.13-18 |
| EMM, BioX, ISEC, SITE, ICSS, HWS, IPSJ-CSEC, IPSJ-SPT [detail] | 2023-07-24 16:00 |
Hokkaido | Hokkaido Jichiro Kaikan | Estimation of rotation angle using pilot signal for image watermarking Rinka Kawano, Masaki Kawamura (Yamaguchi Univ.) ISEC2023-26 SITE2023-20 BioX2023-29 HWS2023-26 ICSS2023-23 EMM2023-26 |
Robust watermarking methods must be resistant to attacks. In conventional methods, errors have been corrected after extr... [more] | ISEC2023-26 SITE2023-20 BioX2023-29 HWS2023-26 ICSS2023-23 EMM2023-26 pp.80-85 |
| EMM | 2023-01-26 10:20 |
Miyagi | Tohoku Univ. (Primary: On-site, Secondary: Online) |
Proposal of Watermarking Method with Magnification Ratio Estimation Using Pilot Signal Rinka Kawano, Masaki Kawamura (Yamaguchi Univ.) EMM2022-63 |
Resistance to attacks is required for watermarking methods.Conventional methods used error-correcting codes and spread s... [more] | EMM2022-63 pp.13-18 |
| RCS | 2022-10-28 09:25 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
Improving Semi-Blind Interference Suppression on Multi-Cell Massive MIMO Systems by Multi-Antenna Users Kazuki Maruta (Tokyo Univ. of Science) RCS2022-142 |
When the number of spatial multiplexing is increased in a Massive MIMO system to increase capacity, the number of orthog... [more] | RCS2022-142 pp.65-70 |
| RCS, SR, SRW (Joint) |
2022-03-03 09:30 |
Online | Online | Channel Estimation Scheme Robust against Pilot Contamination for Hybrid Beamforming Massive MIMO Systems Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO) RCS2021-270 |
In 5G massive MIMO systems, hybrid beamforming (HB), which is composed of the analog beamforming (AB) and the digital be... [more] | RCS2021-270 pp.102-107 |
| MIKA (3rd) |
2021-10-29 10:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Study of MIMO SC-FDE for Large-capacity Transmission using Millimeter-wave Band Yoshifumi Matsusaki, Fumiya Yamagishi, Tomohiro Shimazaki, Takayuki Nakagawa, Naohiko Iai (NHK) |
The authors are conducting research and development on large-capacity transmission technology using millimeter-wave band... [more] | |
| SRW | 2021-08-24 10:00 |
Online | Online | Design of Multi-carrier Pilot Signals for Operation Point Estimation in Digital Pre-Distortion based Linearizer Atushi Masubuchi, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SRW2021-13 |
Mobile terminal is required to improve the power utilization efficiency of HPA (High Power Amplifier) because of the inc... [more] | SRW2021-13 pp.1-6 |
| RCS, SR, SRW (Joint) |
2021-03-04 10:30 |
Online | Online | Performance Evaluation of Digital Pre-Distortion based Linearizer using Operation Point Estimation Pilot for Mobile Terminal in Non-linear HPA with AM/AM and AM/PM Characteristics Atsushi Masubuchi, Akira Tada, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SRW2020-59 |
With the increase in uplink speeds and the use of millimeter wave bands, it is required to futher improve the power util... [more] | SRW2020-59 pp.29-34 |
| RCS, SR, SRW (Joint) |
2021-03-05 09:50 |
Online | Online | Deep Learning-based Channel Estimation to Mitigate Channel Aging in Massive MIMO with Pilot Contamination Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) RCS2020-254 |
In a massive multiple-input multiple-output (MIMO) system based on time division duplex (TDD), the channel state informa... [more] | RCS2020-254 pp.234-239 |
| SIP, IT, RCS | 2021-01-21 14:00 |
Online | Online | A Study of Pilot Assignment Optimization Based on Statistical Beam Selection for Large Multi-User MIMO Yuichi Ochi, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) IT2020-78 SIP2020-56 RCS2020-169 |
We propose a novel pilot assignment optimization scheme based on statistical beam selection for significant pilot overhe... [more] | IT2020-78 SIP2020-56 RCS2020-169 pp.87-92 |
| SIP, IT, RCS | 2021-01-22 13:20 |
Online | Online | A Study on Self-Interference Canceller Based In-Band Full-Duplex using Software Defined Radio in Pilot Contamination Environments Kensuke Tomita, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) IT2020-93 SIP2020-71 RCS2020-184 |
IBFD (In-Band Full-Duplex), which is a new communication technology attracting attention for future wireless communicati... [more] | IT2020-93 SIP2020-71 RCS2020-184 pp.164-169 |
| RCS, AP, UWT (Joint) |
2020-11-25 09:50 |
Online | Online | Deep Learning Aided Channel Estimation for Massive MIMO with Pilot Contamination Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) RCS2020-110 |
In a time division duplex (TDD) based massive multiple-input multiple-output (MIMO) system, a base station (BS) needs ac... [more] | RCS2020-110 pp.1-6 |
| RCS, AP, UWT (Joint) |
2020-11-25 10:15 |
Online | Online | A Study on Joint Channel and Data Estimation via Belief Propagation for Correlated Large MIMO Systems Kenta Ito, Takumi Takahashi (Osaka Univ), Shinsuke Ibi (Doshisha Univ), Seiichi Sampei (Osaka Univ) RCS2020-111 |
We propose a novel joint channel and data estimation (JCDE) scheme for correlated large multi-user multi-input multi-out... [more] | RCS2020-111 pp.7-12 |
| RCS | 2020-06-25 15:20 |
Online | Online | Bilinear Gaussian Belief Propagation for Iterative Channel and Data Estimation in Large MIMO Systems Kenta Ito, Takumi Takahashi (Osaka Univ), Shinsuke Ibi (Doshisha Univ), Seiichi Sampei (Osaka Univ) RCS2020-40 |
This paper proposes a bilinear Gaussian belief propagation (BiGaBP) for joint channel and data estimation (JCDE) in larg... [more] | RCS2020-40 pp.103-108 |
| IT, SIP, RCS | 2020-01-23 09:50 |
Hiroshima | Hiroshima City Youth Center | A Study on Channel Estimation by Using Independent Component Analysis in Large-scale MIMO Systems Taichi Kasai, Shinsuke Ibi, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) IT2019-37 SIP2019-50 RCS2019-267 |
As the demand for wireless communication technology increases, efficient frequency usage is required. In the case of lar... [more] | IT2019-37 SIP2019-50 RCS2019-267 pp.7-11 |
| RISING (2nd) |
2019-11-26 14:10 |
Tokyo | Fukutake Learning Theater, Hongo Campus, Univ. Tokyo | [Invited Lecture]
Channel Estimation via Convolutional Neural Network for Massive MIMO with Pilot Contamination Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) |
In massive multiple-input multiple-output (MIMO) based on time division duplex (TDD), a base station (BS) needs accurate... [more] | |
| RCS | 2019-10-25 14:35 |
Kanagawa | Yokosuka Research Park | [Invited Lecture]
M-QAM Adaptation by Semi-Blind Multi Modulus Algorithm and MMSE-SMI for Multicell Massive MIMO Systems Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2019-199 |
This paper expands our previously proposed semi-blind uplink interference suppression scheme on multicell multiuser mass... [more] | RCS2019-199 pp.115-120 |
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