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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 23  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
DC, SS 2019-10-25
Kumamoto Kumamoto Univ. SS2019-23 DC2019-51 (To be available after the conference date) [more] SS2019-23 DC2019-51
SS 2019-03-05
Masayuki Doi, Yoshiki Higo, Shinji Kusumoto (Osaka Univ.) SS2018-69
(To be available after the conference date) [more] SS2018-69
Miyazaki Phoenix Seagaia Resort Generalized Inverse Function Method for OD Traffic Matrix Estimation
Yuki Doi (Waseda Univ.), Masato Tsuru (KIT), Masato Uchida (Waseda Univ.) NS2017-216
The origin-destination traffic matrix (ODTM) estimation is a technique for estimating the amount of global inter-network... [more] NS2017-216
SS, MSS 2018-01-18
Masayuki Doi, Yoshiki Higo, Ryo Arima, Kento Shimonaka, Shinji Kusumoto (Osaka Univ.) MSS2017-50 SS2017-37
(To be available after the conference date) [more] MSS2017-50 SS2017-37
OPE, LQE, OCS 2015-10-29
Oita Beppu International Convention Center 100Gbit/s transmitter optical sub-assembly (TOSA) using optical butt-coupling between EADFB laser array and AWG multiplexer
Takaharu Ohyama, Yoshiyuki Doi, Wataru Kobayashi, Shigeru Kanazawa, Kiyoto Takahata, Atsushi Kanda, Takeshi Kurosaki, Takuya Tanaka, Tetsuichiro Ohno, Hiroaki Sanjoh, Toshikazu Hashimoto (NTT) OCS2015-44 OPE2015-94 LQE2015-63
(Advance abstract in Japanese is available) [more] OCS2015-44 OPE2015-94 LQE2015-63
OPE, LQE, OCS 2015-10-30
Oita Beppu International Convention Center Reception of PAM4 data signal with a 4-ch Integrated Receiver Optical Sub-Assembly using High-Sensitivity Avalanche Photodiode
Tetsuichiro Ohno, Yasuhiko Nakanishi, Yoshiyuki Doi, Hiroaki Sanjoh (NTT) OCS2015-55 OPE2015-105 LQE2015-74
(Advance abstract in Japanese is available) [more] OCS2015-55 OPE2015-105 LQE2015-74
OCS, OPE, LQE 2014-10-31
Nagasaki Nagasaki Museum of History and Culture [Invited Talk] 400-G Ethernet Configuration Utilizing 100-G Optical Sub-assemblies and Cyclic Arrayed Waveguide Gratings
Yoshiyuki Doi, Takaharu Ohyama, Toshihide Yoshimatsu, Shunichi Soma, Manabu Oguma (NTT) OCS2014-80 OPE2014-124 LQE2014-98
We propose a simple configuration of 400-Gigabit Ethernet with 16-λ 25-Gb/s NRZ WDM by using 100GbE optical sub-assembli... [more] OCS2014-80 OPE2014-124 LQE2014-98
EMD, LQE, OPE, CPM, R 2014-08-22
Hokkaido Otaru Economy Center Compact High-Responsivity Receiver Optical Sub-Assembly for 100-Gb/s Ethernet by Using Arrayed Waveguide Gratings
Yoshiyuki Doi, Manabu Oguma, Masayuki Itoh, Toshihide Yoshimatsu, Tetsuichiro Ohno, Toshikazu Hashimoto, Ikuo Ogawa, Eiji Yoshida (NTT) R2014-46 EMD2014-51 CPM2014-66 OPE2014-76 LQE2014-50
We developed a compact receiver optical sub-assembly (ROSA) for 100 Gigabit Ethernet (100GbE) for the reach of 10 km. By... [more] R2014-46 EMD2014-51 CPM2014-66 OPE2014-76 LQE2014-50
OPE, OCS 2014-05-16
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Talk] Report on OFC2014: Passive Optical Devices
Yoshiyuki Doi (NTT) OCS2014-10 OPE2014-10
This paper reports trends in papers of optical passive module and devices presented at OFC 2014 held in San Francisco, U... [more] OCS2014-10 OPE2014-10
AP 2014-03-11
Fukushima Koriyama City Rodo Fukushi Kaikan Modified 2-D MUSIC Spectrum Based on Switched Axes
Yuki Doi, Yuta Shikagawa, Koichi Ichige, Hiroyuki Arai (Yokohama Nat'l Univ.), Hiromi Matsuno, Masayuki Nakano (KDDI R&D Labs.) AP2013-194
This paper proposes a novel method of 2-D DOA estimation using a modified version of MUSIC spectrum based on switched ax... [more] AP2013-194
R 2013-06-14
Tokyo   Optimal Checkpoint Placement based on System Workload
Yuki Doi, Tadashi Dohi (Hiroshima Univ.) R2013-19
In this paper we revisit an optimal checkpoint model by Bouguerra, Trystram, Gautier and Vincent (2008, 2010) and develo... [more] R2013-19
AP 2013-06-13
Tokyo Kikai-Shinko-Kaikan Bldg. A Study of Experiment for 2D-DOA Estimation under LOS Environment by Using Pyramid Shaped Array Antenna
Yusuke Hori, Yuki Doi, Hiroki Moriya, Koichi Ichige, Hiroyuki Arai (YNU), Hiromi Matsuno, Takahiro Hayashi, Masayuki Nakano (KDDI R&D LABS) AP2013-35
 [more] AP2013-35
SP, EA, SIP 2013-05-17
Okayama   High Resolution DOA Estimation by Variable Step Size GROUSE Algorithm
Keita Yamada, Yuki Doi, Koichi Ichige (Yokohama National Univ.) EA2013-23 SIP2013-23 SP2013-23
This paper presents high-resolution DOA estimation method by Variable Step Size (VSS) GROUSE algorithm in low-cost array... [more] EA2013-23 SIP2013-23 SP2013-23
Tokyo Tokyo Denki University High Resolution 2-D DOA Estimation by 3-D Cuboid Structure Array Antenna
Hiroki Moriya, Yuki Doi, Koichi Ichige, Hiroyuki Arai (Yokohama National Univ.), Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano (KDDI R&D Lab.) AP2012-115
This paper proposes 3-D cuboid structure array antenna which enables high resolution 2-D DOA estimation.
Generically e... [more]
Saitama KDDI R&D LABS A Study of Analysis for 2D-DOA Estimation by Using Pyramid Shaped Array Antenna
Yusuke Hori, Yuki Doi, Hiroki Moriya, Koichi Ichige, Hiroyuki Arai (YNU), Hiromi Matsuno, Takahiro Hayashi, Masayuki Nakano (KDDI R&D Labs) AP2012-82
In recent years, the transition to the microcell and femtocell structure has been considered to achieve high-speed and h... [more] AP2012-82
OPE, CPM, R 2009-04-17
Tokyo Kikai-Shinko-Kaikan Bldg. Reliability Tests of Multi-Chip PLC Modules
Takao Fukumitsu, Yoshiyuki Doi (NTT Corp.), Yasuaki Tamura, Ryouichi Kasahara (NTT Electronics Corp.), Akimasa Kaneko, Sen-ichi Suzuki (NTT Corp.) R2009-3 CPM2009-3 OPE2009-3
Recently improvement of photonic network systems require high performance functional optical devices. We have been devel... [more] R2009-3 CPM2009-3 OPE2009-3
OPE, CPM, R 2009-04-17
Tokyo Kikai-Shinko-Kaikan Bldg. Crosstalk Characteristics of photodiode array for multi-channel level monitoring
Yoshiyuki Doi, Ikuo Ogawa, Takaharu Ohyama, Akimasa Kaneko (NTT Corp.), Yuji Akahori (NTT Electronics Corp.) R2009-4 CPM2009-4 OPE2009-4
In fiber-optic systems, a photodiode (PD) array is size-effective for multi-channel level monitoring. However, it has c... [more] R2009-4 CPM2009-4 OPE2009-4
OCS, LQE, OPE 2008-10-23
Fukuoka Kyushu Univ. AWG-based optical channel monitor using chip scale packaged PD array
Takaharu Ohyama, Yoshiyuki Doi, Shin Kamei (NTT), Tomoyuki Yamada, Yasuaki Tamura (NEL), Hirotaka Ono, Takashi Goh, Ikuo Ogawa, Akimasa Kaneko (NTT) OCS2008-57 OPE2008-100 LQE2008-69
Recent optical network systems need the optical channel monitor (OCM) for monitoring the signal power of over 40-wavelen... [more] OCS2008-57 OPE2008-100 LQE2008-69
CPM, LQE, OPE, EMD 2007-08-23
Hokkaido Hokaido Univ. Chip-Scale Packaged PD-Array (CSP-PD)
Yoshiyuki Doi, Ikuo Ogawa, Takaharu Ohyama, Akimasa Kaneko (NTT) EMD2007-36 CPM2007-57 OPE2007-74 LQE2007-37
We developed a chip-scale packaged photodiode array (CSP-PD) which is compact and hermetically sealed. In addition, we ... [more] EMD2007-36 CPM2007-57 OPE2007-74 LQE2007-37
Okinawa Okinawa Convention Center Design and Implementation of User Level Mail Reception Settings on Anti-Spam Method with SMTP Session Abort
Takumi Seike, Masayuki Doi, Kiyohiko Okayama (Okayama Univ.), Motonori Nakamura (Kyoto Univ.), Nariyoshi Yamai (Okayama Univ.) IN2006-203
To protect recipients from receiving spam mails, our research group proposed an anti-spam method by means of tempfailing... [more] IN2006-203
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