Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2021-10-07 14:25 |
Online |
Online |
[Poster Presentation]
A Study of Deformation Compensation for Deployment of a Foldable and Storable Reflectarray Antenna Yuki Takeda, Takashi Tomura, Hiraku Sakamoto (Tokyo Tech) AP2021-89 |
Satellite onboard antennas are stored on the ground and deployed in orbit due to the volume limitation at launch. Conven... [more] |
AP2021-89 pp.78-81 |
WPT (2nd) |
2019-10-31 - 2019-11-02 |
Overseas |
Xidian University |
A Wideband Triple-layer Transmitarray Antenna Yongliang Zhang, Xiuzhu Lv, Keyv Yan, Zhihua Han (Inner Mongolia Univ.) |
In this paper, based on array antenna theory and geometric theory, a three-layer wideband transmitarray antenna is prese... [more] |
|
RCS |
2015-06-24 14:45 |
Hokkaido |
Hokkaido Univ. |
A Study on OFDM Receiver Processes for High-Speed Train Environments at 60 GHz Band Yuyuan Chang, Masashi Furukawa, Kazuhiko Fukawa (Tokyo Tech.) RCS2015-51 |
An iterative receiver, proposed in our previous works, employs decision directed phase noise compensation (DD-PNC) and d... [more] |
RCS2015-51 pp.31-36 |
MICT, ASN, MoNA (Joint) |
2015-01-27 14:20 |
Wakayama |
Nanki Shirahama |
Carrier Phase Compensation using M-ary Spread Spectrum Tomohiro Arakawa, Nobukazu Doi (NIT, Tokyo College) ASN2014-144 |
The spread spectrum technology enables the communication system to achieve long distance wireless communication by incre... [more] |
ASN2014-144 pp.185-189 |
SAT |
2013-10-25 09:00 |
Fukuoka |
IP CITY HOTEL Fukuoka |
Multiple Symbol Differential Detection with Majority Decision Method for MDPSK in Rician Fading Channel Hiroyasu Ishikawa (Nihon Univ.), Hideyuki Shinonaga (Toyo Univ.) SAT2013-41 |
This study presents evaluation results of a multiple symbol differential detection (MSDD) with majority decision (MD) me... [more] |
SAT2013-41 pp.87-92 |
SANE, SAT (Joint) |
2013-02-21 15:45 |
Okinawa |
Youth Center of Okinawa prefecture |
The distributed array antenna constructing technique applying to portable type satellite communication antennas Yoshinori Suzuki, Kouhei Suzaki, Takashi Hirose, Takatoshi Sugiyama (NTT) SAT2012-53 |
This paper presents the a Distributed Array Antenna (DAA) that is applied for portable type satellite communication ante... [more] |
SAT2012-53 pp.35-40 |
OCS, CS (Joint) |
2013-01-24 15:25 |
Ehime |
Ehime Univ. |
Improvement of Transmission Performance in Digital Coherent System by Suppressing Cycle Slip Using Statistical Analysis Algorithm Fukutaro Hamaoka, Takeshi Seki, Toshiya Matsuda, Akira Naka (NTT) OCS2012-89 |
In a coherent system, the phase shift caused by the optical frequency difference between a phase modulation signal and l... [more] |
OCS2012-89 pp.25-29 |
OPE, LQE, OCS |
2012-10-26 13:55 |
Miyazaki |
|
Algorithm for Phase Shift Compensation in Digital Coherent System Fukutaro Hamaoka, Takeshi Seki, Toshiya Matsuda, Akira Naka (NTT) OCS2012-68 OPE2012-119 LQE2012-85 |
In a coherent system, the phase shift caused by the optical frequency difference between a phase modulation signal and l... [more] |
OCS2012-68 OPE2012-119 LQE2012-85 pp.141-145 |
SAT, WBS (Joint) |
2012-05-24 14:05 |
Iwate |
Iwate Prefectural University |
Experimental Evaluation of Distributed Array Antenna Controller for Earth Station onboard Vessels Kouhei Suzaki, Yoshinori Suzuki, Takashi Hirose, Takatoshi Sugiyama (NTT) SAT2012-1 |
We developed and tested “Prototype of Distributed Array Antenna (DAA) controller”. This prototype employs to realize DAA... [more] |
SAT2012-1 pp.1-6 |
MW, ED |
2011-01-13 16:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
32-GHz Phase Shifter IC with 810° control range Hideyuki Nosaka, Munehiko Nagatani, Kimikazu Sano, Koichi Murata (NTT) ED2010-181 MW2010-141 |
A phase-shifter IC with 810° control range was fabricated using InP HBTs. The phase shifter includes a wideband vector m... [more] |
ED2010-181 MW2010-141 pp.35-40 |
ED, MW |
2010-01-15 10:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg |
Pseudo Sinusoidal Generator with PVT Compensation Circuit using InP HBTs
-- For Linear Control of Vector-Sum Phase Shifter -- Hideyuki Nosaka, Munehiko Nagatani, Shogo Yamanaka, Kimikazu Sano, Koichi Murata (NTT Corp.) ED2009-192 MW2009-175 |
A pseudo-sinusoidal generator is needed to realize a voltage-controlled vector-sum phase shifter that has linear phase c... [more] |
ED2009-192 MW2009-175 pp.99-103 |
OCS |
2009-07-29 17:05 |
Shizuoka |
Welcity Yugawara |
[Invited Talk]
Multi-staged SPM Compensation in Coherent Receiver and Second-Order Distributed Raman Amplification for 12,015 km WDM Transmission of 10-ch x 111-Gb/s No-Guard-Interval Co-OFDM Etsushi Yamazaki, Hiroji Masuda, Akihide Sano, Toshihide Yoshimatsu, Takayuki Kobayashi, Eiji Yoshida, Yutaka Miyamoto, Koichi Ishihara, Riichi Kudo, Munehiro Matsui, Yasushi Takatori (NTT) OCS2009-28 |
We describe about Q-factor improvement using multi-staged SPM compensation and received-OSNR improvement using second-or... [more] |
OCS2009-28 pp.49-54 |
SANE |
2008-12-19 13:00 |
Saitama |
Nippon Institute of Technology |
A Study on the Doppler Compensation for Intra-Pulse Phase Coded Synthetic Bandwidth Radar Chie Fukushima, Nozomu Hamada (Keio Univ.) SANE2008-87 |
In radar systems, for detecting target in strong background clutters, separating the target signal from the background c... [more] |
SANE2008-87 pp.1-6 |
OCS |
2008-07-17 15:40 |
Yamanashi |
|
Performance improvement of DQPSK Signal Transmission by an All-Optical Amplitude Limiter Tetsuji Kamio, Masaru Sato, Masayuki Matsumoto (Osaka Univ.) OCS2008-29 |
In long-distance optical communication, optical amplifiers are used for compensation of fiber loss. However, the ASE noi... [more] |
OCS2008-29 pp.47-52 |