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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 149  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OCS, CS
(Joint)
2021-01-14
13:55
Online Online A Study on Q Performance for 400 Gb/s Signals under SOP Variation and Tight Optical Filtering in Cascaded Node Optical Transmission
Shun Chikamori, Masashi Binkai, Tsuyoshi Yoshida, Kiyoshi Onohara, Naoki Suzuki (Mitsubishi Electric) OCS2020-28
We experimentally evaluated the impact of fast state of polarization (SOP) variations on the received Q-factor of 400 Gb... [more] OCS2020-28
pp.7-11
OCS, CS
(Joint)
2021-01-14
14:20
Online Online Study of the Effect of Single Near-end Reflection on Bidirectional Transmission of QPSK/OOK Asymmetrically Modulated Signals in the Same Bandwidth
Tetsuji Goto, Takahiro Kodama, Masahiko Jinno (Kagawa Univ.) OCS2020-29
In recent years, PON systems for mobile front halls are required to have a larger capacity due to wireless terminal base... [more] OCS2020-29
pp.12-17
NS, RCS
(Joint)
2020-12-18
13:50
Online Online [Invited Lecture] A Study on Higher-Order Large MIMO Detection via Concatenated Beam- and Antenna- Domain Layered BP
Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) NS2020-102 RCS2020-149
In large multi-user multi-input multi-output systems, the computational cost and circuit scale on the base station (BS) ... [more] NS2020-102 RCS2020-149
pp.79-84
RCS, AP, UWT
(Joint)
2020-11-26
11:20
Online Online [Invited Lecture] Adaptive digital down-conversion for underwater acoustic communication
Mitsuyasu Deguchi, Yukihiro Kida, Takuya Shimura (JAMSTEC) AP2020-86 RCS2020-125
In underwater acoustic communication, effects of the Doppler shift is much larger than that of the radio communication i... [more] AP2020-86 RCS2020-125
pp.72-77(AP), pp.87-92(RCS)
OFT, ITE-BCT, OCS, IEE-CMN [detail] 2020-11-12
16:50
Online Online Multi-Channel Simultaneous Encryption in WDM Systems of PSK Y-00 Quantum Stream Cipher
Ken Tanizawa, Fumio Futami (Tamagawa Univ.) OCS2020-26
Tapping from an optical fiber link is a potential security risk in optical communication systems. Physical layer encrypt... [more] OCS2020-26
pp.15-20
OFT 2020-10-09
13:25
Online Online [Invited Talk] Digital Coherent PSK Y-00 Quantum Stream Cipher for Secure Optical Fiber Communications
Ken Tanizawa, Fumio Futami (Tamagawa Univ.) OFT2020-32
Tapping from an optical fiber link is a potential security risk in optical communication systems. Physical layer encrypt... [more] OFT2020-32
pp.97-102
CS 2020-07-17
10:20
Hokkaido Ripura(Rishiri Fuji)
(Primary: On-site, Secondary: Online)
An Analysis of a Noise-aided One-bit Analog-to-Digital Converter for a Multi-Antenna Receiver
Yasuo Nakashima, Takaya Yamazato (Nagoya Univ.), Shintaro Arai (Okayama Univ. of Sci.), Masato Saito (Ryukyu Univ.), Hiroyuki Hatano (Mie Univ.), Hiroya Tanaka, Yukihiro Tadokoro (Toyota CRDL) CS2020-20
This paper proposes a method of analysing noise-aided one-bit analog-to-digital converters for a multi-antenna receiver.... [more] CS2020-20
pp.25-26
NC, IBISML, IPSJ-BIO, IPSJ-MPS [detail] 2020-06-29
13:00
Online Online How to Cope with the 3rd Digital Evolution of Linguistic Humans -- Group Theory for Concepts and FEC --
Kumon Tokumaru (writer) NC2020-2 IBISML2020-2
Human speech voice acquired frequency domain discrete element of phoneme and time domain discrete element of mora, thank... [more] NC2020-2 IBISML2020-2
pp.7-14
RCS, SR, SRW
(Joint)
2020-03-04
11:35
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
Improving In-Band Full-Duplex Capacity by Transmitter Nonlinearization using Digital Predistortion
Chua Teong Zhe, Kazuki Komatsu, Yuichi Miyaji, Hideyuki Uehara (Toyohashi Univ. of Tech.) RCS2019-338
In-band full-duplex (IBFD) is expected to have higher throughput or spectral efficiency compared to conventional wireles... [more] RCS2019-338
pp.99-104
LQE, OPE, CPM, EMD, R 2019-08-22
13:15
Miyagi   [Invited Talk] Ultra-high-speed optical transceivers in the Beyond Terra era -- IMDD vs coherent viewed from the system side --
Hiroshi Onaka (Fujitsu Ltd.) R2019-19 EMD2019-17 CPM2019-18 OPE2019-46 LQE2019-24
This paper outlines the latest data center interconnection technology, then discuss the future prospects of terabit opti... [more] R2019-19 EMD2019-17 CPM2019-18 OPE2019-46 LQE2019-24
pp.1-4
LQE, OPE, CPM, EMD, R 2019-08-22
13:30
Miyagi   [Invited Talk] Progress of InP-based Monolithically Integrated Photonic Devices and Future Prospect Towards Beyond Tbps Era
Hideki Yagi (SEI) R2019-20 EMD2019-18 CPM2019-19 OPE2019-47 LQE2019-25
InP-based photonic devices have yielded the monolithic integration of
various functionalities in addition to miniaturi... [more]
R2019-20 EMD2019-18 CPM2019-19 OPE2019-47 LQE2019-25
pp.5-9
LQE, OPE, CPM, EMD, R 2019-08-22
14:15
Miyagi   [Invited Talk] Ultra boradband digital coherent technologies for 1Tb/s channel rate and beyond
Takayuki Kobayashi (NTT) R2019-23 EMD2019-21 CPM2019-22 OPE2019-50 LQE2019-28
Research and development of optical transmission systems with over-1-Tb/s capacity per wavelength are underway to effici... [more] R2019-23 EMD2019-21 CPM2019-22 OPE2019-50 LQE2019-28
pp.21-24
MBE 2019-06-21
14:15
Hokkaido   Influence of coherence length on scattering suppression by digital phase-conjugate light
Sogo Toda (NIT, Ishikawa), Yuji Kato (Hokkaido Univ.), Koichi Shimizu (Waseda Univ.) MBE2019-18
The strong scattering in biological tissue is a difficult problem for optical imaging and measurement of an animal body.... [more] MBE2019-18
pp.11-15
EMCJ 2019-04-11
16:30
Okinawa Okinawa Industry Support Center [Special Talk] Investigation on electromagnetic wave shielding by various multilayer and composite materials in digital wireless communication
Koyu Chinen (GLEX), Anna Ishihara, Sayaka China, Ichiko Kinjo (ONCT) EMCJ2019-8
In a digital wireless communication using 256-QAM-ODFM format signals, influence on received power (Pwr) and error vecto... [more] EMCJ2019-8
pp.39-44
ICD, CPSY, CAS 2018-12-23
09:30
Okinawa   [Poster Presentation] FPGA Implementation of Digital Transmitters with RF Pulse-width Modulation
Kazuto Yoshida, Takao Kihara, Tsutomu Yoshimura (OIT) CAS2018-105 ICD2018-89 CPSY2018-71
Common RF transmitters consist of high-cost analog circuits and linear power amplifiers (PA) consuming much power. We ca... [more] CAS2018-105 ICD2018-89 CPSY2018-71
pp.105-106
RCS, AP
(Joint)
2018-11-20
13:15
Okinawa Okinawa Industry Support Center [Invited Lecture] Digital-Signage Image-Sensor Visible Light Communications Embedding Data Information on Video Contents
Hiraku Okada, Shota Yoshida (Nagoya Univ.), Tadahiro Wada (Shizuoka Univ.), Kentaro Kobayashi, Masaaki Katayama (Nagoya Univ.) AP2018-107 RCS2018-184
In this paper, we discuss optical cammera communication systems using
digital signage, which is composed of a liquid cr... [more]
AP2018-107 RCS2018-184
pp.29-34(AP), pp.37-42(RCS)
OPE, LQE, OCS 2018-10-19
13:05
Saga   Optimization of signal amplitudes for dynamic range of analog-to-digital convertor in digital coherent reception of ultra-high QAM optical signals
Yasuhiro Kawabata, Koji Igarashi (Osaka Univ.) OCS2018-45 OPE2018-81 LQE2018-70
In the digital coherent reception of ultra-high quadrature amplitude modulation (QAM) optical signals, the received ampl... [more] OCS2018-45 OPE2018-81 LQE2018-70
pp.93-97
OFT 2018-10-11
14:00
Miyagi Touhoku Univ. [Poster Presentation] Observation of GAWBS noise and development of its compensation technique in digital coherent optical transmission
Naoya Takefushi, Masato Yoshida, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OFT2018-29
Guided acoustic-wave Brillouin scattering (GAWBS) noise is an optical phase fluctuation that occurs coherently with ther... [more] OFT2018-29
pp.79-83
OCS, OFT, LSJ
(Joint) [detail]
2018-08-30
16:50
Hokkaido Hakodate Hokuyo Building 8Kai Hall 600 Gbps/λ Signal Transmission Technologies Employing High-order Modulation Formats
Asuka Matsushita, Masanori Nakamura, Fukutaro Hamaoka, Seiji Okamoto, Yoshiaki Kisaka (NTT) OCS2018-23
The communication traffic is increasing exponentially and there are demands to increase the capacity of optical transmis... [more] OCS2018-23
pp.25-29
AP, SANE, SAT
(Joint)
2018-07-19
09:45
Hokkaido Hokkaido Univ. Performance Improvement by Digital Pre-Distortion Technique for 32APSK over Satellite Transmission
Masaaki Kojima, Yoichi Suzuki, Yuki Koizumi, Hisashi Sujikai (NHK) SAT2018-18
4K/8K test broadcasting by satellite started on August 1st 2016, and 4K/8K commercial broadcasting will start on Decembe... [more] SAT2018-18
pp.43-48
 Results 1 - 20 of 149  /  [Next]  
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