Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
QIT (2nd) |
2024-05-28 13:00 |
Ibaraki |
AIST Tsukuba (Ibaraki) |
[Poster Presentation]
On the Convex Optimization Method for POVM Estimation of a Photon-Number-Resolving Detector
-- Estimation Accuracy and Shot Noise -- Akio Yoshizawa (AIST), Daiji Fukuda (AIST/OPERANDO-OIL) |
A measurement in quantum mechanics is characterized using a set of positive semi-definite operators called the POVM (pos... [more] |
|
MICT, WBS, RCC, SAT (Joint) [detail] |
2023-05-26 09:50 |
Tokyo |
TOKYO BIG SIGHT (Tokyo, Online) (Primary: On-site, Secondary: Online) |
LEO-MIMO Antenna Configuration of Satellite/Gateway for High Channel Capacity Daisuke Goto, Koyo Tategami, Kiyohiko Itokawa, Fumihiro Yamashita (NTT) SAT2023-6 MICT2023-6 |
In this paper, we propose low earth orbit satellite (LEO) communications using Muti-input / Multi-output (MIMO), called ... [more] |
SAT2023-6 MICT2023-6 pp.26-31 |
WPT |
2023-03-16 15:15 |
Kyoto |
Kyoto-Univ. (Uji campus) (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Experimental Evaluation on Phase Error Correction Method of Phased Array Antenna for Power Transmission Yoko Segami, Toshio Ishizaki (Ryukoku Univ.), Takayuki Matsumuro (ATR), Naoki Hasegawa, Yuta Nakamoto, Takashi Hirakawa (Softbank) WPT2022-38 |
The purpose of this research is to develop a phase error correction method to realize a phased array antenna for power t... [more] |
WPT2022-38 pp.41-46 |
HCS |
2023-01-21 16:20 |
Kyoto |
Kyoto Institute of Technology (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Sign language learning support system for beginners
-- Automatic playback speed adjustment function using the amount of spatial movement of hand images -- Kazuki Matsumaru (SIT), Ken Tsutsuguchi (Sojo Univ.), Shunichi Yonemura (SIT) HCS2022-63 |
Textbooks with illustrations and video materials with live-action images are used for sign language learning. Textbooks ... [more] |
HCS2022-63 pp.48-53 |
WPT (2nd) |
2022-12-05 - 2022-12-06 |
Kyoto |
Uji Obaku Plaza Kihada Hall, Uji Campus, Kyoto University (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Study on Phase Error Correction Method of Phased Array Antenna for Power Transmission Yoko Segami, Toshio Ishizaki (Ryukoku Univ.), Takayuki Matsumuro (ATR), Naoki Hasegawa, Yuta Nakamoto, Takashi Hirakawa (SB) |
The purpose of this study is to investigate a calibration method that can easily perform beamforming for large-scale arr... [more] |
|
AP, SANE, SAT (Joint) |
2022-07-29 15:55 |
Hokkaido |
Asahikawa Taisetsu Crystal Hall (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Massive MIMO OTA Evaluation method with Controllable the Number of Paths Kazuhiro Honda, Rio Kitamura (Univ. of Toyama) AP2022-63 |
In our previous study, an Over-The-Air (OTA) evaluation method for massive MIMO antenna systems with controllable the nu... [more] |
AP2022-63 pp.162-167 |
AP |
2017-08-24 10:00 |
Hokkaido |
National Institute of Technology, Hakodate College (Hokkaido) |
DOA Estimation for Coprime Arrays Without Knowledge of Source Number Anh-Tuan Nguyen, Takashi Matsubara, Takakazu Kurokawa (NDA) AP2017-69 |
Pal et al. use a coprime array to extend it to a larger virtual ULA, and after spatial smoothing technique is implemente... [more] |
AP2017-69 pp.7-12 |
SIP, RCS |
2015-01-23 10:05 |
Okayama |
Okayama Univ. (Okayama) |
Accurate Source Number Detection for Low-Cost Array Antenna Based on Expanded Array Processing Keita Yamada, Koichi Ichige (Yokohama National Univ.) SIP2014-102 RCS2014-290 |
This paper proposes an accurate source number detection method for low-cost array system based on expanded array process... [more] |
SIP2014-102 RCS2014-290 pp.123-128 |
AP, SAT (Joint) |
2012-07-27 10:10 |
Hokkaido |
Hokkaido Univ. (Hokkaido) |
Optimum Element Size of Array-Fed Reflector Antennas for 100-Beam-Class Multibeam Communications Satellite Yoshiyuki Fujino, Naokazu Hamamoto, Amane Miura, Teruaki Orikasa, Hiromitsu Wakana (NICT), Shin-ichi Yamamoto, Takashi Yanagi, Yoshio Inasawa, Masahiko Funada, Naoyuki Natori (Mitsubishi Electric Corp.) SAT2012-16 |
Mobile satellite communications systems using 100-beam-class multibeam on-board antenna have been proposed and some of t... [more] |
SAT2012-16 pp.49-54 |
LQE, LSJ |
2011-05-20 10:25 |
Ishikawa |
Kanazawa Univ. (Natural Sci. Tech. Main Bldg.) (Ishikawa) |
Physical Random Number Generation by Means of Diode Lasers' Frequency Noise Kohei Doi, Hideaki Arai, Shinya Maehara, Hiroki Takamori, Yoshihiko Matsumoto, Takashi Sato, Yasuo Ohdaira, Shuichi Sakamoto, Masashi Ohkawa (Niigata Univ.) LQE2011-3 |
Diode lasers are characterized by wideband frequency-noise output that is easily detected by frequency-selective element... [more] |
LQE2011-3 pp.9-12 |
AP |
2011-01-20 12:45 |
Saga |
Saga Univ. (Saga) |
A study on the detection of signals exceeding array degree of freedom Masashi Tsuji, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo University of Agriculture and Technology) AP2010-139 |
A traditional DOA (Direction-Of-Arrival) estimation method can estimate the DOA up to $(N-1)$ signals when the number of... [more] |
AP2010-139 pp.37-42 |
US |
2010-12-16 14:00 |
Kanagawa |
Suzukakedai Campus, Tokyo Institute of Technology (Kanagawa) |
Ultrasound imaging experiment using the envelope method with reduced number of ultrasound element circular array Takuya Sakamoto, Hirofumi Taki, Toru Sato (Kyoto Univ.) US2010-86 |
In this study, we applied a couple of different imaging methods to ultrasound measurement system to evaluate their perfo... [more] |
US2010-86 pp.7-12 |
COMP |
2010-06-25 16:00 |
Tokyo |
Tokyo Tech (Tokyo) |
A Constant Work Space Algorithm for Finding Nearest Larger Neighbors Tetsuo Asano (JAIST), Sergey Bereg (Univ. of Texas at Dallas), David Kirkpatrick (Univ. of British Columbia) COMP2010-22 |
In this report we consider a problem of finding nearest
larger elements using only constant work space in addition
to ... [more] |
COMP2010-22 pp.45-52 |
VLD, DC, IPSJ-SLDM, CPSY, RECONF, ICD, CPM (Joint) [detail] |
2009-12-04 15:00 |
Kochi |
Kochi City Culture-Plaza (Kochi) |
Evaluation of Energy Consumption on Multipliers Using the Sum of Operands Hirotaka Kawashima, Naofumi Takagi (Nagoya Univ.) VLD2009-66 DC2009-53 |
We evaluate dynamic energy consumption of multipliers using the sum of operands we have proposed before.
The multiplie... [more] |
VLD2009-66 DC2009-53 pp.173-178 |
RECONF, CPSY, VLD, DC, IPSJ-SLDM, IPSJ-ARC (Joint) [detail] |
2006-11-28 16:35 |
Fukuoka |
Kitakyushu International Conference Center (Fukuoka) |
A Self-Test of Dynamically Reconfigurable Processors Takashi Fujii, Hideyuki Ichihara, Tomoo Inoue (Hiroshima City Univ.) |
Dynamically Reconfigurable Processor (DRP), which can execute a task with multiple hardware contexts so as to achieve hi... [more] |
VLD2006-62 DC2006-49 pp.65-70 |