Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OCS, CS (Joint) |
2023-01-13 09:25 |
Fukuoka |
CANAL CITY HAKATA (Primary: On-site, Secondary: Online) |
Phase compensation method in core-selective switch for few-mode multi-core fiber using spatial light modulator Ryo Watanabe, Atsushi Okamoto, Akihisa Tomita (Hokkaido Univ.) OCS2022-63 |
In order to realize Dence SDM transmission using Few-Mode Multi-Core Fiber(FM-MCF), a switching device adapted to spatia... [more] |
OCS2022-63 pp.18-21 |
RCS, AP, UWT (Joint) |
2022-11-17 11:00 |
Fukuoka |
Kyushu University, and Online (Primary: On-site, Secondary: Online) |
[Invited Talk]
Fundamentals of Orbital Angular Momentum (OAM) Mode Multiplexing Toshihiko Nishimura (Hokkaido Univ.) AP2022-164 RCS2022-177 |
The demand for high-capacity wireless communications is increasing as we move toward the 6G era, which will provide a fu... [more] |
AP2022-164 RCS2022-177 pp.97-102(AP), pp.130-135(RCS) |
RCS, SR, SRW (Joint) |
2022-03-04 15:20 |
Online |
Online |
Evaluation of the optimal position of relay station equipped with frequency converter in high frequency band Masahiro Takigawa, Ryochi Kataoka, Takeo Ohseki, Taishi Watanabe, Kosuke Yamazaki, Yoji Kishi (KDDI Research) RCS2021-291 |
In order to realize the integration of physical and cyber space (CPS: Cyber-Physical System), real-time, high-speed and ... [more] |
RCS2021-291 pp.195-200 |
OCS, CS (Joint) |
2021-01-15 13:25 |
Online |
Online |
Experiment on joint switch of few-mode multi-core fiber using spatial light modulator Yuta Abe, Atushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Daiki Soma, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research, Inc.) OCS2020-35 |
In order to realize SDM transmission using few-mode multi-core fibers (FM-MCFs), a switching device adapted to spatially... [more] |
OCS2020-35 pp.42-45 |
AP, RCS (Joint) |
2019-11-20 14:15 |
Saga |
Saga Univ. |
A Study on Performance Improvement for OAM Mode Multiplexing Using Multiple UCAs Ayano Yamamoto, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ.), Tomoya Tandai, Daisuke Uchida (Toshiba Corp.) RCS2019-212 |
A novel spatial multiplexing transmission system using orthogonality of orbital angular momentum (OAM) mode has been att... [more] |
RCS2019-212 pp.55-60 |
RCS |
2019-10-25 14:10 |
Kanagawa |
Yokosuka Research Park |
[Invited Lecture]
Digital RoHR for Distributed Collaborative MIMO Reception Daisuke Umehara (Kyoto Inst. of Tech.) RCS2019-198 |
We apply the Lloyd-Max quantization to a distributed collaborative interference canceller (DCIC) with digital higher-fre... [more] |
RCS2019-198 pp.109-114 |
AP |
2019-02-22 09:55 |
Osaka |
Sumitomo Electric Industries (Osaka Works) |
[Invited Lecture]
A Study on the Specificity of Nonlinear Distortion Radiation in Multitone Transmission using 4.65GHz Band Massive Element Active Antenna System for 5G Takuji Mochizuki, Masashi Hirabe, Tomohiro Kikuma, Makoto Hayakawa, Daisuke Nose (NEC) AP2018-178 |
When operating the Sub6GHz-band massive element Active Antenna System (AAS) for 5 G in high power region, Downlink (DL) ... [more] |
AP2018-178 pp.49-54 |
RCS |
2018-06-22 16:05 |
Nagasaki |
Nagasaki University |
A Study on Superposed 16QAM Signal Detection Using GaBP in Massive MIMO Taisei Watabe, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.) RCS2018-78 |
A massive MIMO system, which uses about 100 or more antennas for transmitting and receiving, enables high-speed and larg... [more] |
RCS2018-78 pp.255-260 |
OPE, OCS, OFT (Joint) [detail] |
2018-02-16 09:25 |
Okinawa |
Okinawa Prefectural Museum |
Joint Switching Characteristics of LCoS-Based WSS Kosuke Yamashita, Takuya Kataoka, Masahiko Jinno (Kagawa Univ.) OCS2017-85 OPE2017-178 |
n order to reduce the optical node cost in the forthcoming Space Division Multiplexing (SDM) era, joint-switching techni... [more] |
OCS2017-85 OPE2017-178 pp.29-34(OCS), pp.47-52(OPE) |
RCS |
2017-10-19 10:00 |
Miyagi |
Tohoku Institute of Technology |
A Study on m-QAM Signal Detection Using Belief Propagation in a Massive MIMO System Taisei Watabe, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2017-171 |
A typical scenario considered in the current massive MIMO systems is one accommodating about 20 users with 100 or more e... [more] |
RCS2017-171 pp.19-24 |
RCS, RCC, ASN, NS, SR (Joint) |
2016-07-20 16:15 |
Aichi |
|
Differential MIMO Spatial Multiplexing Employing PADM Based on Channel Prediction for Fast Time-Varying Channels Toshiki Mori, Takuma Yamagishi, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) RCS2016-100 |
This paper proposes a demodulation scheme based on channel prediction for differential multiple-input multiple-output (M... [more] |
RCS2016-100 pp.35-40 |
AP, RCS, WPT, SAT (Joint) |
2015-11-04 11:25 |
Okinawa |
Okinawa Prefectural Museum & Art Museum |
A Study on LLR Updating in an LDPC Coded Massive MIMO System with Belief Propagation Shuhei Tanno, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2015-196 |
A multiple-input multiple-output (MIMO) system is possible to improve the throughput performance by increasing the numbe... [more] |
RCS2015-196 pp.37-42 |
AP, RCS, WPT, SAT (Joint) |
2015-11-04 11:50 |
Okinawa |
Okinawa Prefectural Museum & Art Museum |
16-QAM Signal Detection Using Belief Propagation in a Massive MIMO System Tomoya Usami, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2015-197 |
With the rapid traffic growth, a massive multiple-input multiple-output (MIMO) system with an order of 100 elements has ... [more] |
RCS2015-197 pp.43-48 |
AP, RCS, WPT, SAT (Joint) |
2015-11-06 15:25 |
Okinawa |
Okinawa Prefectural Museum & Art Museum |
PADM (per transmit antenna differential mapping) Spatial Multiplexing with Higher Order Channel Prediction for Multi-Level Modulation Index Toshiki Mori, Takuma Yamagishi, Hiroshi Kubo (Ritsumeikan Univ.) RCS2015-242 |
This paper discusses bit error rate (BER) performance of demodulation schemes based on higher order channel prediction f... [more] |
RCS2015-242 pp.311-316 |
SIP, RCS |
2015-01-22 14:35 |
Okayama |
Okayama Univ. |
A Novel Dynamic Clustering Scheme for Multiuser MIMO-OFDM transmission in Distributed Antenna Systems Ou Zhao, Hidekazu Murata (Kyoto Univ.) SIP2014-92 RCS2014-280 |
To establish a wide service area of a multiuser multiple-input multiple-output (MU-MIMO) distributed antenna system (DAS... [more] |
SIP2014-92 RCS2014-280 pp.67-72 |
SIP, RCS |
2015-01-23 14:10 |
Okayama |
Okayama Univ. |
A BP-based approach for M-QAM signal detection in a fully massive MIMO system Tomoya Usami, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) SIP2014-109 RCS2014-297 |
With the rapid traffic growth, a massive multiple-input multiple-output (MIMO) system with an order of 100 elements has ... [more] |
SIP2014-109 RCS2014-297 pp.163-168 |
RCS, AP (Joint) |
2013-11-20 17:15 |
Shimane |
Matsue Terrsa |
A Study on BP-based Signal Detection for a Massive MIMO system in Spatially Correlated Channels Wataru Fukuda, Takashi Abiko, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yusuke Ohwatari, Teruo Kawamura, Yoshihisa Kishiyama (NTT DOCOMO) RCS2013-183 |
The easiest way to improve the throughput performance of multiple-input multiple-output (MIMO) systems is increasing the... [more] |
RCS2013-183 pp.55-60 |
RCS, SAT (Joint) |
2013-08-29 15:45 |
Nagano |
Shinshu Univ. |
Single-carrier MIMO Transmission Using Adaptive Selection of Modulation Level and Spatial Multiplexing Order Ryo Nagaoka, Shinya Kumagai, Fumiyuki Adachi (Tohoku Univ.) RCS2013-128 |
Multiple-input multiple-output (MIMO) transmission, which uses multiple antennas at transmitter and receiver, can increa... [more] |
RCS2013-128 pp.31-36 |
SIP, RCS |
2013-02-01 13:00 |
Hiroshima |
Viewport-Kure-Hotel (Kure) |
Complexity Reduction Approaches for Signal Detection Based on Belief Propagation in a Large Scale MIMO System Wataru Fukuda, Takashi Abiko, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yusuke Ohwatari, Yoshihisa Kishiyama (NTT DOCOMO) SIP2012-119 RCS2012-276 |
The easiest way to improve the throughput performance of multiple-input multiple-output (MIMO) systems is to increase th... [more] |
SIP2012-119 RCS2012-276 pp.225-230 |
SIP, RCS |
2013-02-01 13:25 |
Hiroshima |
Viewport-Kure-Hotel (Kure) |
Performance Evaluation of Belief-Propagation Algorithm with MRC for Signal Detection in a Large Scale MIMO System Takashi Abiko, Wataru Fukuda, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yusuke Ohwatari, Yoshihisa Kishiyama (NTT DOCOMO) SIP2012-120 RCS2012-277 |
Multiple-input multiple-output (MIMO) systems are well known as a method to improve the throughput performance. Recently... [more] |
SIP2012-120 RCS2012-277 pp.231-236 |