Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, SAT (Joint) |
2014-07-24 13:00 |
Gifu |
Gero Citizen Hall |
[Special Talk]
Satellite Communication: Stories not frequentry told Yasuhiko Ito (KDDI Labs.) AP2014-53 SAT2014-12 |
In the Radio Regulation Board (RRB) of the ITU, where the author is serving as an elected member, the number of the agen... [more] |
AP2014-53 SAT2014-12 pp.31-35(AP), pp.1-5(SAT) |
SR |
2011-04-22 14:25 |
Shimane |
Matsue Terrsa |
[Invited Talk]
History and Standardization of Software Defined Radio and Cognitive Radio Tatsuaki Hamai (KDDI Labs.) SR2011-15 |
The Software Defined Radio Forum (currently the Wireless Innovation Forum) in the United States has been continuing the ... [more] |
SR2011-15 pp.85-90 |
IN |
2010-06-04 09:45 |
Akita |
Akita ATORION |
Coordination Path Control Method for Data Traffic Offload Naoki Imai, Manabu Isomura, Kiyohito Yoshihara (KDDI Laboratories) IN2010-17 |
In the WLAN Interworking specified by 3GPP (3rd Generation Partnership Project), all data packets related to IMS (IP Mul... [more] |
IN2010-17 pp.35-40 |
ICM |
2009-07-10 11:10 |
Yamagata |
|
A study on convergence of simultaneous connections in a server for communication-broadcasting integrated access control Yasuhiko Hiehata, Satoshi Uemura, Hideyuki Koto, Hajime Nakamura (KDDI Labs) ICM2009-24 |
TV programs and disasters could cause an enormous amount of access requests which can concentrate in a short period of t... [more] |
ICM2009-24 pp.61-66 |
IN, NS (Joint) |
2009-03-03 11:50 |
Okinawa |
Okinawa-Zanpamisaki Royal Hotel |
Access control method for stabilizing the number of simultaneous connections and algebraic analysis of its effect Yasuhiko Hiehata, Satoshi Uemura, Hideyuki Koto, Hajime Nakamura (KDDI Labs) IN2008-142 |
TV programs and disasters could cause an enormous amount of access requests which can concentrate in a short period of t... [more] |
IN2008-142 pp.61-66 |
DE |
2008-12-01 |
Tokyo |
Gakushuin |
[Poster Presentation]
Presuming Landmark Information for Geo-tagged Photographs Using Content-based Image Similarity Keiichiro Hoashi, Toshiaki Uemukai, Kazunori Matsumoto, Yasuhiro Takishima (KDDI Lab.) DE2008-52 |
In past research, the authors have developed a prototype application which clusters geo-tagged images collected from onl... [more] |
DE2008-52 p.3 |
ICM, CQ, NS (Joint) |
2008-11-14 14:40 |
Fukushima |
Nihon University |
A Study of Spam Mail Detection before Receiving DATA Command at SMTP Server Yukiko Sawaya, Yutaka Miyake (KDDI Laboratories) NS2008-107 |
As the number of spam mail has been increasing and it occupies 80% of all email traffic, SMTP servers are frustrated wit... [more] |
NS2008-107 pp.109-114 |
NS, IN (Joint) |
2008-03-06 08:20 |
Okinawa |
Bankoku Shinryokan |
Terminal-driven Coverage Area Detection with Low Power Consumption Haruki Izumikawa, Yoji Kishi, Riichiro Nagareda (KDDI Labs.) NS2007-130 |
It is necessary to select an appropriate access network out of the several available when a multi-mode terminal is used.... [more] |
NS2007-130 pp.1-6 |
RCS |
2007-10-19 14:30 |
Nagano |
Tokyo Uni. of Science, Suwa |
An Effect of Time Selective Fading Channels on Packet Error Rate in Wireless IP Transmission with Ultra Low-Latency Yu Komatsu, Fumiaki Maehara (Waseda Univ.), Satoshi Konishi, Xiaoqiu Wang, Takeshi Kitahara, Hajime Nakamura (KDDI Labs.), Masataka Ohta (TItech) RCS2007-94 |
[more] |
RCS2007-94 pp.85-90 |
RCS, CS |
2005-01-26 14:00 |
Okinawa |
University of the Ryukyus |
Sampling Frequency Selection Scheme in Undersampling Systems Naohiro Sahara (Chuo Univ.), Yoshio Kunisawa, Hisato Iwai (KDDI Labs.), Hiroshi Shirai (Chuo Univ.) |
In software defined radio systems, it is desired to place the analog-to-digital converter (ADC) near the antenna part in... [more] |
CS2004-144 RCS2004-251 pp.91-96 |
PN, OPE, OFT, LQE |
2005-01-28 11:15 |
Osaka |
Osaka University |
Analysis on high-speed semiconductor optical amplifier with an assist light and opertion of interferometer-type wavelength converters Atsushi Matsumoto, Katsuyuki Utaka (Waseda Univ.), Kosuke Nishimura, Masashi Usami (KDDI Labs.) |
[more] |
PN2004-101 OFT2004-107 OPE2004-208 LQE2004-155 pp.17-21 |
PN |
2004-08-20 15:30 |
Hokkaido |
KKR Hakodate |
100 Gbit/s All-Optical Wavelength Conversion Using Electro-Absorption Modulator Kohsuke Nishimura, Ryo Inohara, Masashi Usami (OITDA/KDDI Laboratories Inc.) |
100 Gbit/s all-optical wavelength conversion is demonstrated by a wavelength converter consisting of an electro-absorpti... [more] |
PN2004-46 pp.73-76 |
IN |
2004-07-15 16:00 |
Hokkaido |
|
[Invited Talk]
Characteristics of IP Traffic and Capacity Planning in Backbone Networks Shinichi Nomoto, Masaki Fukushima, Hiroki Furuya, Hajime Nakamura (KDDI Labs.) |
The paper discusses a series of studies, by the authors, on characteristics of communication traffic over INTERNET backb... [more] |
IN2004-33 pp.39-42 |