Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
QIT (2nd) |
2022-12-08 14:00 |
Kanagawa |
Keio Univ. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Quantum State Generation using DPQPSK Modulator for High Speed Quantum Key Distribution Yuki Sugawara, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.) |
In implementing a high-speed QKD system, distortions in the modulation signal degrade the performance of the QKD system.... [more] |
|
OPE, OCS, LQE |
2022-10-20 13:30 |
Ehime |
(Primary: On-site, Secondary: Online) |
Aggregation of BPSK Signals Using Coherent Interference for Modulation Format Conversion to 8QAM Signal Taiga Ishida, Hiroki Kishikawa, Junichi Fujikata (Tokushima Univ.) OCS2022-18 OPE2022-64 LQE2022-27 |
Modulation format conversion is useful for connecting networks with different modulation schemes. In this study, we prop... [more] |
OCS2022-18 OPE2022-64 LQE2022-27 pp.5-9 |
EMCJ |
2022-07-14 14:25 |
Tokyo |
(Primary: On-site, Secondary: Online) |
Comparative Study of Noise Spectrum of Different Phase Change Schemes in BPSK Modulators Kazuaki Maruyama, Atsuhiro Nishikata (Tokyo Tech) EMCJ2022-30 |
We have proposed and studied full-duplex retroreflective communications using Van Atta array retroreflectors.
In the pr... [more] |
EMCJ2022-30 pp.11-16 |
SRW, SeMI, CNR (Joint) |
2020-11-27 10:50 |
Online |
Online |
[Invited Lecture]
Research and Development Activities of Active Integrated Antenna for Polarization and Beam Switching Functions Maodudul Hasan, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) SRW2020-35 |
This invited lecture introduces Saga University’s research and development activities on the active integrated antennas ... [more] |
SRW2020-35 pp.44-49 |
SRW |
2019-06-10 10:25 |
Kanagawa |
Anritsu |
Design of a Miniaturized Polarization Agile Self-Oscillating Ring-Slot Active Integrated Antenna for Short Range Wireless Communications Maodudul Hasan, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) SRW2019-4 |
This paper presents a new design of miniaturized active integrated antenna (AIA) having oscillation and polarization swi... [more] |
SRW2019-4 pp.17-22 |
AP, RCS (Joint) |
2017-11-08 11:15 |
Fukuoka |
Fukuoka University |
Experimental Evaluation of a Gunn-Oscillator Integrated 4-Patch Active Array Antenna With Polarization Switching Function Hiroki Ushiroda, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) AP2017-112 |
We have proposed a new spatial modulation system using polarizations, and several advanced planar antennas have been exa... [more] |
AP2017-112 pp.25-30 |
RCS, CCS, SR, SRW (Joint) |
2016-03-02 16:20 |
Tokyo |
Tokyo Institute of Technology |
BER Performance Degradation due to Hardware Implementation Errors in Ultra Multi-level SSB-DFTs-OFDM Hirokazu Fusayasu, Shigeki Nihei, Masahiro Umehira (Ibaraki Univ.), Junichi Abe, Jun Mashino (NTT) RCS2015-347 |
We have proposed SSB-DFTs-OFDM using ultra multi-level BPSK modulation to further improve spectral efficiency. In the pr... [more] |
RCS2015-347 pp.85-90 |
AP |
2014-01-22 13:25 |
Kagoshima |
Hozan Hall (Kagoshima Prefectural Culture Center) |
Prototype Evaluation of an Advanced Planar Antenna with Polarization Switching and Detection Functions for Space Modulation Systems Satoshi Matsuyuki, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) AP2013-139 |
In this paper, a novel advanced planar antenna with polarization switching and detection functions proposed for space mo... [more] |
AP2013-139 pp.31-35 |
MW, ED |
2013-01-17 16:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
120-GHz-band 20-Gb/s QPSK Transmitter and Receiver modules Hiroyuki Takahashi, Toshihiko Kosugi, Akihiko Hirata, Jun Takeuchi, Koichi Murata, Naoya Kukutsu (NTT) ED2012-116 MW2012-146 |
NTT laboratories are developing a 120-GHz-band wireless link using quadrature-phase-shift keying (QPSK). We have reporte... [more] |
ED2012-116 MW2012-146 pp.23-28 |
MWP, OPE, MW, EMT, EST, IEE-EMT [detail] |
2012-07-26 13:15 |
Hokkaido |
Hokkaido Univ. |
Stabilization of 40 Gbit/s optical DQPSK demodulator Masaki Nishioka, Takuya Chikamoto, Tatsuya Shimizu, Hiroyuki Toda (Doshisha Univ.), Koji Inafune, Masatoshi Kagawa, Hitoshi Murai (OKI) MW2012-41 OPE2012-34 EST2012-23 MWP2012-22 |
We demonstrate a stabilization of 40 Gbit/s optical DQPSK demodulator using a wavelength tunable CW laser. The BER of th... [more] |
MW2012-41 OPE2012-34 EST2012-23 MWP2012-22 pp.101-104 |
MWP |
2012-04-06 13:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Talk]
High Speed LiNbO3 Optical Modulator Masaharu Doi (FOC) MWP2012-2 |
It is described the structure of the modulator corresponding to various modulation formats applied to 40 Gbps and 100Gbp... [more] |
MWP2012-2 pp.7-11 |
EMT, PN, LQE, OPE, MWP, EST, IEE-EMT [detail] |
2012-01-27 16:40 |
Osaka |
Osaka Univ. Convention Center |
Absorption Balancing of Semiconductor Mach-Zehnder Modulator Keisuke Matsuda, Keita Mochizuki, Takashi Sugihara, Hiroshi Aruga (Mitsubishi Electric Corp.) PN2011-79 OPE2011-195 LQE2011-181 EST2011-129 MWP2011-97 |
Semiconductor Mach-Zehnder (MZ) Modulators generally use quantum-confined-Stark effect (QCSE) at the phase modulation wa... [more] |
PN2011-79 OPE2011-195 LQE2011-181 EST2011-129 MWP2011-97 pp.319-322 |
RCS, SAT (Joint) |
2011-08-26 10:45 |
Niigata |
Niigata Univ. |
High Efficient Power Amplification of M-ary Modulated Signal by Spatial Superposition Masayoshi Tanaka (Nihon Univ.), Hiroyasu Madate (Kyosera) SAT2011-32 |
This paper presents a new spatial power combining technology suitable for superposed M-ary modulated communication syste... [more] |
SAT2011-32 pp.87-92 |
SANE, SAT (Joint) |
2011-02-25 10:15 |
Hyogo |
NICT Kobe Research Laboratories |
High Efficient Power Amplification of M-ary Modulated Signal
-- Spatially Superposition -- Hiroyasu Madate, Masayoshi Tanaka (Nihon Univ.) SAT2010-85 |
This paper presents a new spatial power combining technology suitable for superposed M-ary modulated communication syste... [more] |
SAT2010-85 pp.55-60 |
SIP, RCS |
2011-01-20 11:20 |
Kagoshima |
|
RTL Design of Joint CFO and IQ-Imbalance Compensator for Narrow-Band Wireless System Takuro Yoshida, Daisuke Nojima, Yuhei Nagao, Masayuki Kurosaki, Hiroshi Ochi (Kyusyu Inst. of Tech.) SIP2010-77 RCS2010-207 |
In direct conversion receiver, I/Q imbalance is caused by non orthogonality between in-phase component and quadrature-ph... [more] |
SIP2010-77 RCS2010-207 pp.49-54 |
SANE |
2010-11-26 13:50 |
Kanagawa |
JAXA Sagamihara campus |
Simulation of Combined Frequency Estimation and Symbol Demodulation for GPS Reciever on Rocket Ken Harima (Tokyo Univ.), Hirobumi Saito (JAXA) SANE2010-119 |
Due to carrier frequency tracking errors produced by the rocket high dynamics, a frequency estimator must be included in... [more] |
SANE2010-119 pp.13-18 |
OCS |
2010-07-29 13:10 |
Shizuoka |
New Welcity Yugawara |
Optical-modulator designing with pre-equalization based on digital signal processing Moriya Nakamura, Yukiyoshi Kamio, Tetsuya Miyazaki (NICT) OCS2010-25 |
BPSK, QPSK, and 8-PSK modulation/demodulation was experimentally demonstrated using only a single-electrode straight-lin... [more] |
OCS2010-25 pp.7-10 |
OPE, LQE |
2010-06-25 17:15 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Examination about bias control method of parallel LiNbO3 optical modulators Yuta Tsuchiya (Waseda Univ.), Takahide Sakamoto, Tetsuya Kawanishi (NICT), Hirochika Nakajima (Waseda Univ.) OPE2010-21 LQE2010-23 |
We improved extinction ratio by putting a new electrode on a Y-branch structure at input side of a Mach-Zehnder interfer... [more] |
OPE2010-21 LQE2010-23 pp.31-35 |
ED |
2009-11-29 16:20 |
Osaka |
Osaka Science & Technology Center |
120-GHz-band BPSK Modulator and Demodulator for 10 Gbit/s Data Transmission Hiroyuki Takahashi, Toshihiko Kosugi, Akihiko Hirata, Koichi Murata, Naoya Kukutsu (NTT Corp.) ED2009-165 |
This paper presents a 120-GHz-band binary phase shift keying (BPSK) modulator and demodulator fabricated on microwave mo... [more] |
ED2009-165 pp.31-35 |
MW |
2009-03-06 17:10 |
Tokyo |
NHK Science & Technical Research Lab. |
High-Speed BPSK Modulator and Demodulator for 60GHz Band by NRD-Guide Yuki Kawahara (MMEx), Hirokazu Sawada, Tsukasa Yoneyama (Tohoku Institute of Tech.) MW2008-208 |
A high-speed BPSK modulator and demodulator have been constructed by using NRD-guide technology at 60GHz. The NRD-guide ... [more] |
MW2008-208 pp.105-110 |