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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 17 of 17  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
 [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
OPE, LQE, OCS 2022-05-13
13:30
Online Online [Invited Talk] Report on OFC2022 -- Optical Access --
Kazuki Tanaka (KDDI Research) OCS2022-2 OPE2022-2 LQE2022-2
This paper shows research topics on optical access systems presented in OFC 2022 which was held from March 6 to 10, 2022... [more] OCS2022-2 OPE2022-2 LQE2022-2
pp.6-9
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
OPE, LQE, OCS 2019-11-11
16:45
Tokyo Kikai-Shinko-Kaikan Bldg (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
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
MWP 2017-11-09
15:10
Tokyo Kikai-Shinko-Kaikan Bldg. 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. [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 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
SWIM 2012-11-30
10:35
Tokyo Tokai Univ. Takanawa Campus(Tokyo) Cloud Transaction Equivalence Evaluation Using CPN
Kazuki Tanaka, Yoshiyuki Shinkawa (Ryukoku Univ.) SWIM2012-15
Cloud computing environments provide us with different form of transaction processing platforms, and therefore we need a... [more] SWIM2012-15
pp.1-6
SIS, IPSJ-AVM 2011-09-21
11:05
Akita   Research on interface for physically disabled person by head movement using Kinect
Kazuki Tanaka (KAIT), Kengo Ohsaki (Ohsaki), Tomoaki Kimura (KAIT) SIS2011-24
Kinect is a device which can obtain a depth image and color image information, operating a computer by gesture and voice... [more] SIS2011-24
pp.17-20
SWIM 2011-06-17
17:15
Tokyo Kikai-Shinko-Kaikan Bldg. Database Consistency Evaluation Using CPN
Kazuki Tanaka, Yoshiyuki Shinkawa (Ryukoku Univ.) SWIM2011-9
There are various restrictions on transaction processing in cloud computing environments, which have not been imposed in... [more] SWIM2011-9
pp.43-48
SWIM 2011-02-25
15:30
Tokyo Kikai-Shinko-Kaikan Bldg. CPN Based Transaction Model Expression and Verification
Kazuki Tanaka, Kazuma Yamauchi, Yoshiyuki Shinkawa (Ryukoku Univ.) SWIM2010-32
Various problems are pointed out in migrating traditional ACID transactions into cloud environments, caused by the diffe... [more] SWIM2010-32
pp.39-44
OCS, OFT
(Joint)
2010-08-26
14:05
Hokkaido Asahikawa Tokiwa Shimin Hall Long reach coherent WDM PON using self polarization stabilization technique
Takayuki Sano, Kazuki Tanaka (KDDI Labs), K. Y. Cho (KAIST), Akira Agata, Yukio Horiuchi, Masatoshi Suzuki (KDDI Labs), S. P. Jung, J. H. Chang, Y. Takushima, Y. C. Chung (KAIST) OCS2010-40
We propose a simple self-polarization-stabilization technique for the wave length-division-multiplexed passive optical n... [more] OCS2010-40
pp.27-30
 Results 1 - 17 of 17  /   
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