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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| IA | 2015-08-25 17:05 |
Tokyo | IIJ Seminar Room (Iidabashi Grand Bloom 13F) | A Resource Estimation Method Considering Terminals Communication Initiation Delay in Virtualized EPC Ryota Mizutani, Takeshi Usui, Takeshi Kubo, Yoshinori Kitatsuji (KDDI Lab.)  IA2015-27 |
Due to the high usability of smartphones, various applications running in the smartphones are rapidly increase. Although... [more] | IA2015-27 pp.47-52 |
| AP (2nd) |
2015-05-29 13:50 |
Tokyo | NICT Headquarters | Pattern measurements for base station antennas by measuring the near-feild on a circle
-- Comparison of absolute gains by GCNF(Great Circular Near-Field) method and CNF method -- Masanobu Hirose (AIST), Masayuki Nakano (KDDI), Satoru Kurokawa (AIST) |
[more] | |
| 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) |
| AP (2nd) |
2014-06-27 13:15 |
Ibaraki | AIST | Pattern Measurements of Base Station Antennas by Near-Field Measurements on a Circle(1)
-- Comparison Among Kim Method, Near-Field Method, and Far-Field Method -- Masanobu Hirose (AIST), Masayuki Nakano (KDDI Lab.), Michitaka Ameya, Satoru Kurokawa (AIST) |
Kim method realizes to obtain the sharp-beam far-field pattern of a base station antenna from the measurement on a circl... [more] | |
| ICM | 2014-03-14 16:00 |
Okinawa | Congestion Control of EPC Signaling by Using Network Function Virtualization Takeshi Usui, Yujin Noishiki, Takeshi Hashimoto, Yoshinori Kitatsuji (KDDI Labo) ICM2013-75 |
(To be available after the conference date) [more] | ICM2013-75 pp.137-142 |
|
| NS, IN (Joint) |
2013-03-08 10:00 |
Okinawa | Okinawa Zanpamisaki Royal Hotel | Predictive Discarding of Registration for Fast Recovery of IMS-based Services Takeshi Usui (NICT), Kohei Sugiyama, Atsushi Tagami (KDDI Lab), Nozomu Nishinaga (NICT) NS2012-277 |
This paper proposes a method for fast reovery of IP Multimedia Subsystem (IMS) –based services, when the network c... [more] | NS2012-277 pp.651-656 |
| 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 | 2010-10-14 15:00 |
Aichi | Nagoya Institute of Technology | [Invited Talk]
Self-Consistent Approach to Reveal a Structure of Social Networks Behind Communication Networks Chisa Takano (Hiroshima City Univ.), Masaki Aida (Tokyo Metropolitan Univ.), Hideyuki Koto, Hajime Nakamura (KDDI Lab.) IN2010-68 |
Communication network data, such as the volume of traffic and the number of users, has been mainly used for facility eng... [more] | IN2010-68 pp.19-24 |
| 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 |
| NC | 2009-01-20 15:30 |
Hokkaido | Hokkaido Univ. | Model Adaptation in Preference Modeling Hideki Asoh, Yoichi Motomura (National Inst. of Adv Ind Scie and Tech.), Chihiro Ono (KDDI R&D Lab,Inc.) NC2008-100 |
Modeling users' preference becomes important for providing personalized services. In order to construct context-aware st... [more] | NC2008-100 pp.101-106 |
| 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 |
| ICM | 2008-03-13 11:15 |
Okinawa | A study on efficient traffic engineering method for IMS/MMD Takeshi Usui, Yoshinori Kitatsuji, Teruyuki Hasegawa, Hidetoshi Yokota (KDDI lab) TM2007-56 |
IMS/MMD is a key technology for NGN, which integrates the fixed network and the mobile network. IMS/MMD adopts a basic ... [more] | TM2007-56 pp.19-23 |
|
| 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 |
| MoNA | 2006-07-14 14:30 |
Osaka | Kansai Univ. Centenary Memorial Hall, Kansai Univ. Senriyama Campus | A study on transcoding between MP3 and AAC in coding domain Koichi Takagi, Satoshi Miyaji, Yasuhiro Takishima (KDDI) MoMuC2006-28 |
In this paper, we propose an efficient conversion algorithm from an MP3 stream into AAC. Generally, this kind of convers... [more] | MoMuC2006-28 pp.13-17 |
| 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 |
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