Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SANE, SAT (Joint) |
2019-02-14 10:25 |
Kagoshima |
Tanegashima Island |
Performance Evaluation of Frequency Flexibility for High Throughput Satellite in Disaster Scenario Yuma Abe, Mitsugu Okawa, Amane Miura, Kazunori Okada, Maki Akioka, Morio Toyoshima (NICT) SAT2018-75 |
[more] |
SAT2018-75 pp.105-108 |
ASN, ICTSSL |
2018-05-14 14:20 |
Hiroshima |
Hiroshima City Univ. |
[Memorial Lecture]
Studies on Operation and Control Technologies for Frequency Flexible Payload in High Throughput Satellite
-- Performance Studies on Frequency Band Assignment Methods During Disasters and Future Works -- Yuma Abe, Kazunori Okada, Mitsugu Okawa, Amane Miura, Morio Toyoshima (NICT) ICTSSL2018-3 ASN2018-3 |
In this paper, we state frequency assignment methods on a satellite communications system with frequency flexibility and... [more] |
ICTSSL2018-3 ASN2018-3 pp.11-16 |
IN, ICTSSL, NWS (Joint) |
2016-10-21 14:20 |
Osaka |
Osaka Uinv. |
An adjustment method of priority channel rates for emergency calls to follow their fluctuations using moving average in the Satellite/Terrestrial Integrated Mobile Communications System Diwakar Adhikari, kazunori Okada, Amane Miura (NICT) ICTSSL2016-30 |
The Satellite/Terrestrial Integrated Mobile Communications System [1], in which handy phone terminals can access to the ... [more] |
ICTSSL2016-30 pp.59-64 |
SAT, WBS (Joint) |
2016-05-19 09:30 |
Aichi |
Nagoya Institute of Technology |
A performance study of a call admission control in Satellite/Terrestria Integrated Communications System during Large Scale Disasters
-- Characteristics of traffic considering the user's retry call behaver -- Kunio Endoh (NEC), Kazunori Okada, Amane Miura (NICT) SAT2016-1 |
When a large-scale disaster by a big earthquake occurs, many base stations become to be non-functional. In such this sit... [more] |
SAT2016-1 pp.1-6 |
WBS, SAT (Joint) |
2015-05-28 13:00 |
Tokyo |
Tokyo City Univ. (Setagaya Campus) |
A Performance Study on Bandwidth in Digital Channelizer for Multi-beam Satellite
-- Non-uniform Offered Load in Each Beam Area during Large Scale Disasters -- Kunio Endoh (NEC), Kazunori Okada, Amane Miura (NICT) SAT2015-1 |
Communications system with which the communication satellite into which large diameter multi-beam antenna is loaded and ... [more] |
SAT2015-1 pp.1-5 |
AP, SAT (Joint) |
2013-07-25 10:30 |
Hokkaido |
Sun Refre Hakodate |
[Tutorial Lecture]
Current Status of the Development of Satellite/Terrestrial Integrated Mobile Communication System Hiroyuki Tsuji, Amane Miura, Kazunori Okada, Teruaki Orikasa (NICT), Yoshiyuki Fujino (Toyo Univ.), Morio Toyoshima (NICT) AP2013-56 SAT2013-18 |
The National Institute of Information and Communications Technology (NICT) has been promoting the research and developme... [more] |
AP2013-56 SAT2013-18 pp.53-58(AP), pp.41-46(SAT) |
OME |
2009-03-13 15:20 |
Miyagi |
Tohoku University |
Fabrication of Curve Optical Waveguide by Single-Mode Light-Induced Self-Written Method Masahiro Tomiki, Kazunori Okada, Hajime Sakata (Shizuoka Univ.), Takayuki Matsui, Tatsuya Yamashita, Manabu Kagami (Toyota Central R&D Lab.) OME2008-106 |
Light-induced self-written (LISW) optical waveguide attracts the expectation of the application to the single-mode optic... [more] |
OME2008-106 pp.27-30 |
PRMU, IE |
2008-03-11 13:00 |
Ishikawa |
|
[Tutorial Lecture]
* Kazunori Okada (San Francisco State Univ.) IE2007-324 PRMU2007-308 |
Mean shift is a popular robust framework for statistical data analysis using kernel density estimation, originally propo... [more] |
IE2007-324 PRMU2007-308 pp.401-414 |
RCS, AP (Joint) |
2007-11-09 10:20 |
Tokyo |
Univ. of Electro-Commun. |
Estimation on the performance of the Emergency Multi-System Access considering the area concentrated base stations in which their functions are stopped in micro cellular networks Shinya Semba, Kazunori Okada (NICT/The Univ. of Electro-Communicatios), Koichi Gyoda, Hoang Nam Nguyen (NICT) RCS2007-109 |
When a large scale disaster occurs, people want to check on their families and friends. So, the traffic demand on mobile... [more] |
RCS2007-109 pp.71-76 |
CQ |
2007-07-12 14:50 |
Hokkaido |
Shiretoko Prince Hotel Kazenamiki |
Performance Evaluation of Ad hoc Network on Emergency communication models Koichi Gyoda, Nam Hoang Nguyen, Kazunori Okada, Osamu Takizawa (NICT) CQ2007-19 |
We had previously arranged information and communication required at the time of disaster from the viewpoint of elapsed ... [more] |
CQ2007-19 pp.25-30 |
CQ, MVE (Joint) |
2007-01-25 15:10 |
Fukuoka |
Asia-pacific Import Mart |
Analysis of Emergency communication models using Ad hoc Network
-- In case of terminals' routes are restricted -- Koichi Gyoda, Nam Hoang Nguyen, Kazunori Okada, Osamu Takizawa (NICT) CQ2006-83 |
We had previously arranged information and communication required at the time of disaster from the viewpoint of elapsed ... [more] |
CQ2006-83 pp.23-28 |
CQ |
2006-07-14 12:15 |
Hokkaido |
Future University-Hakodate |
Basic Study on Emergency communication models using Ad hoc Network Koichi Gyoda, Nam Hoang Nguyen, Kazunori Okada, Osamu Takizawa (NICT) CQ2006-34 |
The so-called emergency communications at the time of catastrophic disaster etc. is considered as one of the uses of an ... [more] |
CQ2006-34 pp.95-98 |
IN, RCS (Joint) |
2006-05-19 14:55 |
Tokyo |
|
Traffic Analysis of Holding Time Limit Scheme for a Cellular Phone System Yoshitaka Takahashi (Waseda Univ.), Yoshiaki Shikata (Shobi Univ.), Kazunori Okada (NICT), Naohisa Komatsu (Waseda Univ.) IN2006-14 |
Hearing of a natural disaster like a terribly strong earthquake or severely wild typhoon, people use their cellular phon... [more] |
IN2006-14 pp.79-84 |
MVE, CQ, MoNA (Joint) |
2006-01-26 11:45 |
Oita |
Beppu Onsen Spring (Resorpia Beppu Hotel) |
A study on method for increasing capacity in mobile IP phone systems using the W-CDMA systems during large scale disasters Yoshitaka Kawade (UEC), Kazunori Okada (NICT) |
When a massive disaster occurs, communication demands increase suddenly and greatly because people want to check on thei... [more] |
CQ2005-85 pp.37-42 |
NS, ICM |
2004-11-19 11:00 |
Kanagawa |
Mitsubishi Electric Corp. Kamakura-Learning-Center (Kanagawa pref) |
A proposal of a queueing method for high availability and fairness in wireless IP phone systems during disasters Takuhei Kamada (Waseda Univ), Kazunori Okada (NICT), Hidenori Nakazato (Waseda Univ) |
[more] |
NS2004-155 TM2004-58 pp.7-12 |
CQ |
2004-07-15 10:20 |
Hokkaido |
Kitami Institute of Technology |
A study on emergency multi-system access in mobile cellular systems during large-scale disasters Masashi Kimura (UEC), Kazunori Okada (NICT), Yusuke Ogura, Shoji Shinoda (Chuo Univ.) |
When a massive disaster occurs, the traffic on communication systems increases suddenly and dramatically in the stricken... [more] |
CQ2004-51 pp.13-18 |