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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 324  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
WBS, IT, ISEC 2021-03-05
14:20
Online Online An Improvement of Cicalese-Gargano-Vaccaro Algorithm in the Minimum-Entropy Couplings Problem
Kohei Sakatani, Ken-ichi Iwata (Univ. of Fukui), Hiroshi Fujisaki (Kanazawa Univ.)
 [more]
SIP, IT, RCS 2021-01-21
10:55
Online Online conference A counterexample to the conjecture that the maximum redundancy of the AIFV-m codes is 1/m and an improvement
Yuta Nakamura, Ueda Daichi, Ken-ichi Iwata (Univ. of Fukui), Hirosuke Yamamoto (The Univ. of Tokyo) IT2020-73 SIP2020-51 RCS2020-164
Hu, Yamamoto, and Honda proposed the binary AIFV-m codes and proved that the redundancy of the optimal binary AIFV-m cod... [more] IT2020-73 SIP2020-51 RCS2020-164
pp.58-63
IT 2020-12-02
10:50
Online Online Enumeration and Coding of Binary AIFV-m Code Trees
Genta Onishi, Kengo Hashimoto, Ken-ichi Iwata (Univ. of Fukui), Hirosuke Yamamoto (The Univ. of Tokyo) IT2020-33
Using the one-to-one correspondence between binary AIFV codes and Schröder paths, Sumigawa and Yamamoto gave a method to... [more] IT2020-33
pp.50-55
IT 2020-12-02
11:10
Online Online On the Optimality of the AIFV Code for Average Codeword Length
Kengo Hashimoto, Ken-ichi Iwata (Univ. of Fukui) IT2020-34
McMillan's inequality proved that Huffman code attains an optimal average code length in a class of
source codes that ... [more]
IT2020-34
pp.56-61
LQE, CPM, ED 2020-11-26
14:10
Online Online Mapping of Photoelectrochemical Etched Ni/GaN Schottky Contacts Using Scanning Internal Photoemission Microscopy -- Comparison between n- and p-type GaN samples --
Ryo Matsuda (Univ. of Fukui), Fumimasa Horikiri, Yoshinobu Narita, Takehiro Yoshida, Noboru Fukuhara (SCIOCS), Tomoyoshi Mishima (Hosei Univ.), Kenji Shiojima (Univ. of Fukui) ED2020-9 CPM2020-30 LQE2020-60
 [more] ED2020-9 CPM2020-30 LQE2020-60
pp.33-36
LQE, CPM, ED 2020-11-26
14:40
Online Online Two-Dimensional Characterization of n-GaN Schottky Contacts Printed by Using Ni Nanoink
Yuto Kawasumi, Yuto Yasui (Univ. of Fukui), Yukiyasu Kashiwagi, Toshiyuki Tamai (ORIST), Kenji Shiojima (Univ. of Fukui) ED2020-10 CPM2020-31 LQE2020-61
Two-dimensional characterization of n-GaN Schottky contacts formed by printing method using Ni nanoink was performed by ... [more] ED2020-10 CPM2020-31 LQE2020-61
pp.37-40
LQE, CPM, ED 2020-11-26
15:30
Online Online Enhanced Breakdown Voltage in AlGaN/GaN HEMTs by Oxygen Plasma Treatment
Shunsuke Kamiya, Takashi Nishitani, Yu Matsuda, Nozomu Takano, Joel T. Asubar, Hirokuni Tokuda (Univ. of Fukui), Masaaki Kuzuhara (Kwansei Gakuin Univ.) ED2020-12 CPM2020-33 LQE2020-63
With its high critical electric field as consequence of its wide bandgap, gallium nitride (GaN) is considered a leading ... [more] ED2020-12 CPM2020-33 LQE2020-63
pp.45-48
LQE, CPM, ED 2020-11-26
15:50
Online Online GaN-based MIS-HEMTs with Mist Chemical Vapor Deposited Al2O3
Low Rui Shan, Itsuki Nagase, Ali Baratov, Joel Tacla Asubar, Hirokuni Tokuda (Univ. of Fukui), Masaaki Kuzuhara (Kwansei Gakuin Univ.), Zenji Yatabe, Kenta Naito, Motoyama Tomohiro, Yusui Nakamura (Kumamoto Univ.) ED2020-13 CPM2020-34 LQE2020-64
We have fabricated AlGaN/GaN metal-insulator-semiconductor high-electron mobility transistors (MIS-HEMTs) using Al2O3 ga... [more] ED2020-13 CPM2020-34 LQE2020-64
pp.49-52
LQE, CPM, ED 2020-11-27
11:20
Online Online Improved performance in GaN-based HEMTs with insulated gate structures
Ali Baratov, Takashi Ozawa, Shunpei Yamashita, Joel T. Asubar, Hirokuni Tokuda (Univ. of Fukui), Masaaki Kuzuhara (Kwansei Gakuin Univ.) ED2020-16 CPM2020-37 LQE2020-67
Several groups have reported improved performance in GaN-based transistors employing metal-insulator-semiconductor (MIS)... [more] ED2020-16 CPM2020-37 LQE2020-67
pp.60-62
MI, IE, SIP, BioX, ITE-IST, ITE-ME [detail] 2020-05-29
10:10
Online Online Development of Activity Collecting System for Grazing Cattle and its Data Utilization
Takahiro Natori, Yuya Oishi (Tokyo Univ. of Science), Satoki Tsuichihara (Univ. of Fukui), Hiroshi Takemura, Naoyuki Aikawa (Tokyo Univ. of Science) SIP2020-8 BioX2020-8 IE2020-8 MI2020-8
 [more] SIP2020-8 BioX2020-8 IE2020-8 MI2020-8
pp.35-39
PN 2020-04-24
15:05
Online Online [Invited Talk] AIFV Code Construction Method and Optimization Method for Average Performance of Markov Chains with Finite States
Ken-ichi Iwata, Ryusei Fujita (Univ. of Fukui), Hirosuke Yamamoto (Univ. of Tokyo) PN2020-3
We describe a construction method to design the optimal binary AIFV codes, which are defined by Yamamoto, Tsuchihashi, H... [more] PN2020-3
pp.15-21
AP 2020-03-27
10:20
Fukui Fukui College
(Cancelled but technical report was issued)
[Tutorial Lecture] Application of Meta-Surface with Parasitic Element to Dipole Array
Yuki Kawakami (NIT, Fukui Col.), Toshikazu Hori (Univ. of Fukui) AP2019-205
 [more] AP2019-205
pp.47-52
IT, SIP, RCS 2020-01-23
13:05
Hiroshima Hiroshima City Youth Center On a redundancy of AIFV-m codes -- for m=3,5 --
Ryusei Fujita, Ken-ichi Iwata (Univ. of Fukui), Hirosuke Yamamoto (Univ. of Tokyo) IT2019-48 SIP2019-61 RCS2019-278
(To be available after the conference date) [more] IT2019-48 SIP2019-61 RCS2019-278
pp.75-80
CPM 2019-11-08
10:50
Fukui Fukui univ. [Invited Talk] Mapping of metal/semiconductor and semiconductor/semiconductor interfaces using scanning internal photoemission microscopy
Kenji Shiojima (Univ. of Fukui) CPM2019-51
Scanning internal photoemission spectroscopy has been developed to map the electrical characteristics of metal/semicondu... [more] CPM2019-51
pp.35-38
LQE, LSJ 2019-05-31
13:00
Shiga   High Efficiency Diode-Pumped Continuous Continuous-Wave Yb:YAG Hemisphirical Short Cavity Laser
Ryo Kobayashi, Fumihiro Sugiki, Yu Aoyagi, Shunji Kataoka, Masashi Shibata, Junya Maeda, Sakae Kawato (Univ. of Fukui)
 [more] LQE2019-20
pp.35-38
LQE, LSJ 2019-05-31
13:25
Shiga   Theoretical analysis on influence of the pump-induced loss for the efficiency of Ti:sapphire laser
Shunji Kataoka, Tomoki Kanetake, Masashi Shibata, Ryo Kobayashi, Yu Aoyagi, Junya Maeda, Sakae Kawato (Univ. of Fukui)
We investigate influence of the laser efficiency due to the pump-induced loss in a Ti:sapphire laser crystal. We experim... [more] LQE2019-21
pp.39-42
NLP, MSS
(Joint)
2019-03-14
12:55
Fukui Bunkyo Camp., Univ. of Fukui Comparison of coupling element characteristics in multiphase CMOS LC oscillator using THD analysis
Kenta Akao, Seiichiro Moro (Univ. of Fukui) NLP2018-124
Synchronization phenomena are observed in every place in nature such as firefly light emission and pendulum of the clock... [more] NLP2018-124
pp.1-6
NLP, MSS
(Joint)
2019-03-15
14:30
Fukui Bunkyo Camp., Univ. of Fukui Numerical analysis of partial differential equation using the Haar wavelet transform
Akihiro Ogura, Ryoji Hirata, Seiichiro Moro (Univ. of Fukui) NLP2018-136
Recently, numerical analysis using Haar wavelet transform has attracted attention. Especially, the integration system of... [more] NLP2018-136
pp.63-68
NC, MBE
(Joint)
2019-03-06
14:15
Tokyo University of Electro Communications Analysis of EEG for healthy elderly people with IQ and creativity scores
Teruya Yamanishi (Fukui Univ. of Tech.), Kanji Ueno (Univ. of Fukui), Sou Nobukawa (Chiba Inst. of Tech.), Kouhei Yamamoto (JAIST), Haruhiko Nishimura (Univ. of Hyogo), Tetsuya Takahashi (Univ. of Fukui) MBE2018-112
Today, Japan became the most aging societies in the world.
Lowering of brain functions of the elderly people is feared ... [more]
MBE2018-112
pp.131-135
IN, NS
(Joint)
2019-03-05
10:00
Okinawa Okinawa Convention Center Optimal Resource Allocation Based on Backhaul Link Bandwidth and User Fairness for Heterogeneous Networks
Gaku Kato, Takuji Tachibana (Univ. of Fukui) NS2018-236
In this paper, we propose an optimal resource allocation based on backhaul link bandwidth and userfairness for HetNet en... [more] NS2018-236
pp.255-260
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