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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CS, CQ (Joint) |
2023-05-18 16:30 |
Kagawa | Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Optical and Wireless convergence for realizing User-Centric Network Ryo Inohara, Shinji Nimura, Kazuki Tanaka (KDDI Research, Inc.)  CQ2023-4 |
Cellular systems have been commercially deployed in the 5th and earlier generations of mobile communication systems, in ... [more] | CQ2023-4 p.18 |
| MWPTHz, PN, EMT, IEE-EMT [detail] | 2023-01-23 14:30 |
Osaka | (Primary: On-site, Secondary: Online) |
[Invited Talk]
Analog Radio-over-Fiber Systems for 5G and Beyond 5G Mobile Communication Systems Kazuki Tanaka, Shinji Nimura, Shota Ishimura, Kosuke Nishimura, Ryo Inohara (KDDI Research) PN2022-34 EMT2022-72 MWPTHz2022-60 |
Millimeter and sub-terahertz waves will be used for high-speed wireless communication in the mature phase of fifth gener... [more] | PN2022-34 EMT2022-72 MWPTHz2022-60 pp.17-21 |
| OFT | 2022-10-14 15:20 |
Kanagawa | Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
Analog IFoF Mobile Fronthaul based on SDM/WDM/SCM Accommodating 576 channel (1.314 Tbit/s) Wireless Signals Shinji Nimura, Kazuki Tanaka, Shota Ishimura, Kosuke Nishimura, Ryo Inohara, Takehiro Tsuritani, Masatoshi Suzuki (KDDI Research) OFT2022-36 |
We have demonstrated an analog IFoF-based mobile fronthaul with SCM, WDM, and SDM for the realization of cell-free massi... [more] | OFT2022-36 pp.77-80 |
| MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] | 2022-07-19 17:00 |
Hokkaido | Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
Demonstration of Photodiode-Integrated 8x8 Array-Antenna Module for Analog-RoF Shinji Nimura, Shota Ishimura, Kazuki Tanaka, Kosuke Nishimura, Ryo Inohara (KDDI Research) EMT2022-31 MW2022-55 OPE2022-34 EST2022-32 MWPTHz2022-29 |
An 8×8 40-GHz beamforming antenna module integrated with PD and RF circuits was developed and demonstrated with the comb... [more] | EMT2022-31 MW2022-55 OPE2022-34 EST2022-32 MWPTHz2022-29 pp.113-116 |
| RCS, NS (Joint) |
2021-12-16 14:25 |
Nara | Nara-ken Bunka Kaikan and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Research activities for realizing Cell Free massive MIMO Issei Kanno, Masaaki Ito, Noboru Osawa, Shunsuke Kamiwatari, Kosuke Yamazaki, Shinji Nimura, Kazuki Tanaka, Ryo Inohara (KDDI Research Inc.) NS2021-98 RCS2021-181 |
[more] | NS2021-98 RCS2021-181 p.13(NS), p.35(RCS) |
| OPE, OCS, OFT (Joint) [detail] |
2021-02-18 15:50 |
Online | Online | Photonic generation of wideband electrical PM signal using the Armstrong method Shota Ishimura, Hsuan-Yun Kao, Kazuki Tanaka, Kosuke Nishimura, Ryo Inohara, Takehiro Tsuritani, Masatoshi Suzuki (KDDI Research, Inc.) OCS2020-43 OPE2020-80 |
Recently, there have been several reports on analog-based mobile front haul systems. We have also demonstrated high-fide... [more] | OCS2020-43 OPE2020-80 pp.1-5(OCS), pp.21-25(OPE) |
| EMT, MWP, PN, IEE-EMT [detail] | 2021-01-21 14:55 |
Online | Online | Demonstration of 5G Mobile Network System based on hybrid IFoF and RoF/RoMMF links Hsuan-Yun Kao (KDDI Research), Hiroki Yasuda (Yazaki), Shota Ishimura, Kazuki Tanaka (KDDI Research), Takamitsu Aiba, Tomohiro Wakabayashi (Yazaki), Kosuke Nishimura (KDDI Research), Tetsuya Kawanishi (Waseda Univ.), Ryo Inohara (KDDI Research) PN2020-36 EMT2020-54 MWP2020-37 |
A proof-of-concept experiment is demonstrated for 5G end-to-end MFH system based on hybrid IFoF and RoF/RoMMF transmissi... [more] | PN2020-36 EMT2020-54 MWP2020-37 pp.37-41 |
| CS, IN, NS, NV (Joint) |
2020-09-10 11:40 |
Online | Online | [Invited Lecture]
Transmission Experiments on IF-over-Fiber Systems for Mobile Fronthaul Kazuki Tanaka, Hsuan-Yun Kao, Shota Ishimura, Kosuke Nishimura, Ryo Inohara (KDDI Research) CS2020-40 |
[more] | CS2020-40 pp.30-34 |
| OCS, CS (Joint) |
2019-01-17 15:05 |
Okinawa | Nobumoto Ohama Memorial Hall (Ishigaki Island) | [Special Invited Talk]
Technical Trends of Mobile Fronthaul/Backhaul from 5G and Beyond Kosuke Nishimura, Shota Ishimura, Abdelmoula Bekkali, Kazuki Tanaka, Haruhisa Hirayama, Yu Tsukamoto, Ryo Inohara, Shinobu Nanba, Masatoshi Suzuki (KDDI Research, Inc.) CS2018-91 |
(Advance abstract in Japanese is available) [more] | CS2018-91 pp.25-30 |
| CAS, ICTSSL | 2017-01-27 09:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | On a remote operation technology for OpenROV Taiti Watanabe, Syouiti Fujisawa, Gaku Tokunou, Ryo Inohara, Hideaki Okazaki (SIT) CAS2016-97 ICTSSL2016-51 |
This paper introduces how a remote operation technology for OpenROV is built. An effective setup such that OpenROV is co... [more] | CAS2016-97 ICTSSL2016-51 pp.91-93 |
| CAS, ICTSSL | 2017-01-27 14:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Modeling and simulation of motion of a quadcopter subject to constraints Kaito Isogai, Ryo Inohara, Hideo Nakano, Hideaki Okazaki (SIT) CAS2016-110 ICTSSL2016-64 |
This paper presents how system dynamics and system control equations for a quadcopter subject to constraints are derived... [more] | CAS2016-110 ICTSSL2016-64 pp.161-164 |
| CAS, ICTSSL | 2017-01-27 16:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | On a simple model and simulation for OpenROV Yuichi Hara, Mitsuki Hashiba, Ryo Inohara, Hideo Nakano, Hideaki Okazaki (SIT) CAS2016-113 ICTSSL2016-67 |
This paper presents how simple models of system dynamics and system control equations for an underwater robot are built.... [more] | CAS2016-113 ICTSSL2016-67 pp.171-173 |
| CAS, NLP | 2016-10-27 11:25 |
Tokyo | On Modeling of a Quadcopter Kaito Isogai, Ryo Inohara, Hideo Nakano, Hideaki Okazaki (SIT) CAS2016-42 NLP2016-68 |
In this report, we discuss how to build a mathematical foundation for study of a motion of a Quadcopter in Hamilton mech... [more] | CAS2016-42 NLP2016-68 pp.23-25 |
|
| CAS, NLP | 2016-10-27 11:50 |
Tokyo | Modeling and Simulation of Motion of an Underwater Robot Ryo Inohara, Kaito Isogai, Hideo Nakano, Hideaki Okazaki (SIT) CAS2016-43 NLP2016-69 |
This paper presents how system dynamics and system control equations for an underwater robot were derived using an Arnol... [more] | CAS2016-43 NLP2016-69 pp.27-31 |
|
| CAS | 2016-01-29 10:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A construction of a quadcopter by using a student embedded device Kaito Isogai, Ryo Inohara, Hideo Nakano, Hideaki Okazaki (SIT) CAS2015-73 |
This report presents how to build a handmade quadcopter system and control the system in an Embedded system engineering ... [more] | CAS2015-73 pp.67-72 |
| NLP, CAS | 2015-10-06 09:55 |
Hiroshima | Aster Plaza | On a seabed measurement and a control of an undersea robot Ryo Inohara, Kaito Isogai, Hideo Nakano, Hideaki Okazaki (SIT) CAS2015-35 NLP2015-96 |
This report presents how to derive a system dynamics and system control equations of a underwater robot: Open ROV correc... [more] | CAS2015-35 NLP2015-96 pp.75-79 |
| NLP, CAS | 2015-10-06 10:20 |
Hiroshima | Aster Plaza | On a control of a quad copter by using a student embedded device Kaito Isogai, Ryo Inohara, Hideo Nakano, Hideaki Okazaki (SIT) CAS2015-36 NLP2015-97 |
This report presents how to derive a system dynamics and system control equations of a handmade quadcopter correctly, by... [more] | CAS2015-36 NLP2015-97 pp.81-86 |
| OPE, EMT, LQE, PN | 2007-01-30 14:50 |
Osaka | Osaka Univ. Convention Center | [Invited Talk]
40/10Gbps bit-rate transparent switching and contention resolving wavelength conversion in an optical burst router prototype Abdullah Al Amin (Univ. Tokyo/OITDA), Katsuhiro Shimizu (Univ. Tokyo), Mitsuru Takenaka (Univ. Tokyo/OITDA), Takuo Tanemura (Univ. Tokyo), Ryo Inohara (KDDI R&D Labs), Kohsuke Nishimura, Yukio Horiuchi, Masashi Usami, Yutaka Takita (KDDI R&D Labs/OITDA), Yutaka Kai, Yasuhiko Aoki, Hiroshi Onaka (Fujitsu/OITDA), Yasunori Miyazaki, Toshiharu Miyahara, Tatsuo Hatta (Misubishi Electric/OITDA) PN2006-75 OPE2006-157 LQE2006-146 |
We report a bit-rate transparent optical burst switching (OBS) router prototype using a fast 5x5 PLZT optical matrix swi... [more] | PN2006-75 OPE2006-157 LQE2006-146 pp.155-160 |
| NS, OCS (Joint) |
2007-01-25 13:00 |
Miyazaki | Optical burst switching nodes using wavelength conversion and its cascadability Katsuhiro Shimizu (Univ. of Tokyo/Mitsubishi Electric), Abdullah Al Amin (Univ. of Tokyo), Mitsuru Takenaka, Takuo Tanemura (Univ. of Tokyo/OITDA), Ryo Inohara, Kohsuke Nishimura, Yukio Horiuchi, Masashi Usami (KDDI Lab./OITDA), Yutaka Takita, Yutaka Kai, Yasuhiko Aoki, Hiroshi Onaka (Fujitsu Lim./OITDA), Toshiharu Miyahara, Tatsuo Hatta, Kuniaki Motoshima (Mitsubishi Electric/OITDA) OCS2006-74 |
Dynamic switching of co-existing 40 and 10 Gbps bursts with error-free contention resolution by a tunable MZI-SOA wavele... [more] | OCS2006-74 pp.1-6 |
|
| LQE, PN, OPE, OFT, EMT | 2006-02-02 15:05 |
Hyogo | Kobe Univ. | Bidirectional injection operation of SOA-MZI all-optical wavelength converter Kohsuke Nishimura (KDDI Labs, OITDA), Masaharu Hattori (KDDI Labs), Ryo Inohara, Masashi Usami (KDDI Labs, OITDA) |
In the all-optical wavelength converter based on semiconductor optical amplifier (SOA) Mach-Zehnder interferometer (MZI)... [more] | PN2005-95 OFT2005-82 OPE2005-143 LQE2005-158 pp.55-60 |
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