Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
PN |
2023-11-16 15:30 |
Ehime |
(Ehime, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Free-space optical communications using photonic-crystal surface-emitting lasers Shota Ishimura (KDDI Research.), Ryohei Morita, Takuya Inoue (Kyoto Univ.), Kosuke Nishimura, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research.), Menaka De Zoysa, Kenji Ishizaki (Kyoto Univ.), Masatoshi Suzuki (KDDI Research.), Susumu Noda (Kyoto Univ.) PN2023-41 |
Recently, the application of optical communication in space has been actively discussed. Compared to microwaves or milli... [more] |
PN2023-41 pp.27-32 |
PN |
2023-08-29 13:00 |
Hokkaido |
(Hokkaido, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Development of wireless-optical fusion communication systems for ultra-broadband beyond-5G wireless network Hiroshi Murata, Yui Otagaki (Mie Univ.), Ken-ichi Kashima, Ryotaro Manabe (Hitachi Kokusai Electric), Atsunobu Ota (Kyoto Semiconductor), Takehiro Tsuritani, Kosuke Nishimura, Hidenori Takahashi, Hotaka Hayashi (KDDI Research), Yukihiko Suga, Bekkali Abdelmoula, Michikazu Hattori, Yuichiro Hara (Toyo Electric) PN2023-20 |
In the next generation (Beyond-5G/6G) wireless mobile communication systems, advanced performances for high-speed data t... [more] |
PN2023-20 pp.19-22 |
MWPTHz, PN, EMT, IEE-EMT [detail] |
2023-01-23 14:30 |
Osaka |
(Osaka, Online) (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 |
OPE, LQE, OCS |
2022-11-18 16:05 |
Online |
Online (Online) |
[Special Invited Talk]
Proposal and Demonstration of Free-Space Optical Communication Using Lens-Free Photonic-Crystal Surface-Emitting Laser Shota Ishimura (KDDI Research), Ryohei Morita, Takuya Inoue (Kyoto Univ.), Kosuke Nishimura, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research), Menaka De Zoysa, Kenji Ishizaki (Kyoto Univ.), Masatoshi Suzuki (KDDI Research), Susumu Noda (Kyoto Univ.) OCS2022-57 OPE2022-92 LQE2022-55 |
In this talk, we present the first demonstration of free-space optical (FSO) communication using a photonic-crystal surf... [more] |
OCS2022-57 OPE2022-92 LQE2022-55 pp.25-29 |
OFT |
2022-10-14 15:20 |
Kanagawa |
Kanagawa-Kenmin Center (Kanagawa, Online) (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 (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Photodiode-Integrated 8×8 Array-Antenna Module for Analog-RoF Supporting 40-GHz 5G Systems 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 |
OPE, OCS, OFT (Joint) [detail] |
2021-02-18 15:50 |
Online |
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 (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 (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 |
RCS, SR, SRW (Joint) |
2020-03-04 09:20 |
Tokyo |
Tokyo Institute of Technology (Tokyo) (Cancelled but technical report was issued) |
Placement of Base Station Functions According to Diverse Services on Adaptive RAN Yu Tsukamoto, Haruhisa Hirayama, Seung Il Moon, Shinobu Nanba, Kosuke Nishimura, Hiroyuki Shinbo (KDDI Research) RCS2019-321 |
[more] |
RCS2019-321 pp.7-12 |
RCS, SR, SRW (Joint) |
2020-03-04 09:40 |
Tokyo |
Tokyo Institute of Technology (Tokyo) (Cancelled but technical report was issued) |
A Study of Efficient Radio Resource Allocation Method Considering Various Services in Adaptive RAN Haruhisa Hirayama, Yu Tsukamoto, Shinobu Nanba, Seungil Moon, Kosuke Nishimura, Hiroyuki Shinbo (KDDI Research) RCS2019-322 |
In order to meet the requirements of various 5G services, we have proposed Adaptive RAN system, in which base station fu... [more] |
RCS2019-322 pp.13-17 |
RISING (2nd) |
2019-11-26 10:30 |
Tokyo |
Fukutake Learning Theater, Hongo Campus, Univ. Tokyo (Tokyo) |
[Poster Presentation]
Slice Admission Control Scheme using the Ensemble Learning Method in 5G RAN Slicing Environments Seungil Moon, Haruhisa Hirayama, Yu Tsukamoto, Shinobu Nanba, Kosuke Nishimura (KDDI Research Inc.) |
Network slicing allows splitting a common shared network across multiple logical networks. It configured to meet the spe... [more] |
|
OPE, LQE, OCS |
2019-11-11 16:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg (Tokyo) (Tokyo) |
[Special Invited Talk]
SSBI-free SSB-DD transmission scheme using phase modulation for high-quality analog mobile fronthaul Shota Ishimura, Hsuan-Yun Kao, Kazuki Tanaka,, Kosuke Nishimura, Masatoshi Suzuki (KDDI Research) OCS2019-59 OPE2019-97 LQE2019-75 |
In this invited talk, we introduce a signal-to-signal beat interference (SSBI)-free direct-detection transmission system... [more] |
OCS2019-59 OPE2019-97 LQE2019-75 pp.37-41 |
CS |
2019-07-05 10:25 |
Kagoshima |
Amami City Social Welfare Center (Kagoshima) |
[Invited Talk]
Demonstration of Two-Level Scheduling for RAN Slicing in Multi-CU/DU Architecture Yu Tsukamoto, Haruhisa Hirayama, Shinobu Nanba, Kosuke Nishimura (KDDI Research) CS2019-42 |
[more] |
CS2019-42 pp.133-136 |
OCS, CS (Joint) |
2019-01-17 15:05 |
Okinawa |
Nobumoto Ohama Memorial Hall (Ishigaki Island) (Okinawa) |
[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 |
OPE, LQE, OCS |
2018-10-19 15:30 |
Saga |
(Saga) |
DSP algorithms in Stokes vector receivers for short-reach optical transmission systems Shota Ishimura, Kosuke Nishimura (KDDI Research, Inc.) OCS2018-50 OPE2018-86 LQE2018-75 |
We propose novel blind polarization tracking algorithms for the Stokes vector receivers, applying the concept of the con... [more] |
OCS2018-50 OPE2018-86 LQE2018-75 pp.121-125 |
IN, NS, CS, NV (Joint) |
2018-09-07 14:50 |
Miyagi |
Research Institute of Electrical Communication, Tohoku Univ. (Miyagi) |
Novel RAN Slicing Architecture Considering Multiple Functional Split Options and Placement for 5G Services Yu Tsukamoto, Shinobu Namba, Kosuke Nishimura (KDDI Research) CS2018-53 |
[more] |
CS2018-53 pp.69-74 |
MWP |
2017-11-09 15:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo) |
Broadband IF-over-Fiber Transmission with Parallel IM/PM Transmitter Overcoming Dispersion-Induced RF Power Fading for High-Capacity Mobile Fronthaul Links Shota Ishimura (KDDI Research, Inc), Byung Gon Kim (KAIST), Kazuki Tanaka, Kosuke Nishimura (KDDI Research, Inc), Hoon Kim, Yun C. Chung (KAIST), Masatoshi Suzuki (KDDI Research, Inc) MWP2017-47 |
We demonstrate a high-capacity IF-over-Fiber (IFoF) transmission using a parallel Intensity modulator (IM) /phase modula... [more] |
MWP2017-47 pp.13-17 |
MWP |
2017-05-11 14:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo) |
[Invited Talk]
Optical and Radio Converged Access Network for Accommodating Mobile Services in Beyond-5G Era Kosuke Nishimura, Shinobu Nanba, Kazuki Tanaka, Shota Ishimura, Masatoshi Suzuki (KDDI Research) MWP2017-3 |
In this report, optical and radio converged access network for accommodating 5G and beyond mobile services is overviewed... [more] |
MWP2017-3 pp.13-17 |
OPE, EST, LQE, EMT, PN, MWP, IEE-EMT [detail] |
2017-01-18 13:45 |
Mie |
Iseshi Kanko Bunka Kaikan (Mie) |
Transmission Experiment of Multiple LTE Signals by Radio-over-Fiber Kazuki Tanaka (KDDI Research), Byung Gon Kim (KAIST), Takashi Kobayashi, Bekkali Abdelmoula, Kosuke Nishimura (KDDI Research), Hoon Kim (KAIST), Masatoshi Suzuki (KDDI Research), Yun C. Chung (KAIST) PN2016-57 EMT2016-86 OPE2016-132 LQE2016-121 EST2016-96 MWP2016-70 |
The application of Centralized Radio Access Network (C-RAN) architecture to mobile base stations enable the cooperation ... [more] |
PN2016-57 EMT2016-86 OPE2016-132 LQE2016-121 EST2016-96 MWP2016-70 pp.93-96 |