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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 16 of 16  /   
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
 Results 1 - 16 of 16  /   
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