Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SR, SRW (Joint) |
2015-10-27 09:30 |
Tokyo |
KKE |
[Technology Exhibit]
Development of LTE/WiGig interworking heterogeneous networks Shozo Okasaka, Toshiaki Sakurai (Panasonic), Hailan Peng, Kazuya Moriwaki, Shinobu Nanba (KDDI R&D Labs.) SR2015-53 SRW2015-34 |
The LTE technology has widely been used for offering mobile broadband access. The radio specification of LTE is optimize... [more] |
SR2015-53 SRW2015-34 pp.27-28 |
AP |
2015-10-22 09:30 |
Yamaguchi |
Yamaguchi Pref. Roufukukyo-kaikan |
A Study of antenna radiation pattern arrangement with cylindrical frequency selective surface Toyohisa Takano, Suguru Yamagishi (SEI), Masayuki Nakano, Ho Yu Lin (KDDI Labs.) AP2015-92 |
[more] |
AP2015-92 pp.1-4 |
AP |
2015-10-22 16:10 |
Yamaguchi |
Yamaguchi Pref. Roufukukyo-kaikan |
[Tutorial Lecture]
Review of research activities for thirty years
-- Satellite communication, Cognitive radio, Standardization -- Kanshiro Kashiki (KDDI Labs.) AP2015-104 |
The author has been engaged in the research and development activities regarding the wireless communications, since join... [more] |
AP2015-104 pp.55-58 |
AP |
2015-10-23 09:00 |
Yamaguchi |
Yamaguchi Pref. Roufukukyo-kaikan |
(Non Manuscript) Onboard Millimeter wave communication area construction considering reflection characteristics Feng Lu, Satoshi Imata, Katsuo Yunoki, Nobuo Suzuki, Kazunori Takeuchi (KDDI R&D Labs.) |
[more] |
|
RCS |
2015-10-01 11:15 |
Kanagawa |
YRP (Yokosuka) |
A simulation study on the impact of MTC coverage enhancement in LTE-Advanced systems Koichiro Kitagawa, Yasuhiro Suegara (KDDI Labs.) RCS2015-165 |
[more] |
RCS2015-165 pp.51-55 |
MW, AP (Joint) |
2015-09-18 12:45 |
Tochigi |
Oyama National College of Tech. |
Field Evaluation of Cell Quality by Beam Control with Active Array Antenna System Masayuki Nakano, Toru Kitayabu (KDDI R&D Labs.), Shohei Natori, Keisuke Sato, Ichiro Oshima (DKK), Koji Miyata, Hisahiro Hayashi, Kazuhiro Gosui (KDDI) AP2015-90 |
Active array antenna system (AAS) is considered as the base station of the next generation. In order to reduce the inter... [more] |
AP2015-90 pp.59-64 |
LOIS, IE, EMM, IEE-CMN, ITE-ME [detail] |
2015-09-10 14:00 |
Aichi |
Nagoya University, Higashiyama Campus |
A Study on Coding Control Method on Gradation Region for UHDTV Kei Kawamura, Sei Naito (KDDI) |
[more] |
|
EST |
2015-09-03 10:30 |
Okinawa |
Oohama-Nobumoto-Kinenkan, Ishigaki Island, Okinawa, Japan |
Statistical Analysis of Rain Toward Route Switching of Millimeter-Wave Wireless Network Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech.), Riichiro Nagareda, Akira Yamaguchi (KDDI Labs.), Hitoshi Nagahori, Toru Taniguchi (JRC) EST2015-54 |
Statistic properties of rainfall in Tokyo are presented in this report. Average rain duration as a function of rain rate... [more] |
EST2015-54 pp.7-11 |
IN, NS, CS, NV (Joint) |
2015-09-04 12:00 |
Iwate |
Iwate-ken Kokaido |
Near Real-Time Group Movement Detection Method Based on LTE Control Signals Quentin Plessis, Masaki Suzuki, Takeshi Kitahara, Shigehiro Ano (KDDI Labs.) IN2015-49 |
The performances of a mobile network are affected by the movement of its users, which leads to the reallocation of netwo... [more] |
IN2015-49 pp.51-56 |
IN, NS, CS, NV (Joint) |
2015-09-04 17:55 |
Iwate |
Iwate-ken Kokaido |
Efficient Paging Method Considering Movement Condition of Mobile Terminals in LTE Network Takeshi Hashimoto, Takeshi Kubo, Yoshinori Kitatsuji (KDDI Lab) NS2015-86 |
[more] |
NS2015-86 pp.89-94 |
PN |
2015-09-01 09:50 |
Hokkaido |
Asahidake Manseikaku Hotel Bearmonte |
An Approach to Emergency Multi-layer Networks Construction in Disaster Recovery with Efficient Multi-vendor Interconnection Sugang Xu (NICT), Noboru Yoshikane (KDDI R&D Lab.), Masaki Shiraiwa (NICT), Takehiro Tsuritani (KDDI R&D Lab.), Hiroaki Harai, Yoshinari Awaji, Naoya Wada (NICT) PN2015-18 |
For the efficient and quick recovery of multi-layer networks after disaster, in this paper, we introduce a planning prob... [more] |
PN2015-18 pp.43-48 |
AP, SANE (Joint) |
2015-08-27 14:35 |
Ibaraki |
Ibaragi Univ. Mito Campus |
Active Array Antenna System for Cellular Base Station Keisuke Sato, Shohei Natori, Ichiro Oshima (Denkikogyo), Toru Kitayabu, Masayuki Nakano (KDDI Lab.), Kouji Miyata, Hisahiro Hayashi, Kazuhiro Gosui (KDDI) AP2015-65 |
In 5th generation mobile networks, the introduction of active array antenna system (AAS) is considered for energy effici... [more] |
AP2015-65 pp.25-30 |
OFT, OCS (Joint) |
2015-08-28 15:40 |
Hokkaido |
|
DMD Measurement of Weakly-Coupled Few-Mode Fiber Using Low-Coherence Digital Holography Yuta Wakayama, Hidenori Taga, Takehiro Tsuritani (KDDI R&D Labs.) OCS2015-40 |
In a mode division multiplexed transmission system, differential mode delay (DMD) in a transmission line roles as a key ... [more] |
OCS2015-40 pp.53-57 |
IA |
2015-08-25 12:35 |
Tokyo |
IIJ Seminar Room (Iidabashi Grand Bloom 13F) |
[Invited Talk]
Prospect of the Fifth Generation Mobile Telecommunication Technology, and its Network Operations and Management Yoshinori Kitatsuji (KDDI Lab) IA2015-19 |
[more] |
IA2015-19 pp.1-5 |
IA |
2015-08-25 13:25 |
Tokyo |
IIJ Seminar Room (Iidabashi Grand Bloom 13F) |
Human Network Interaction
-- Developing a Network Design Method Considering Communication Behavior -- Hideyuki Koto, Sumaru Niida, Norihiro Fukumoto, Shigehiro Ano (KDDI R&D Labs.), Shin'ichi Arakawa, Masayuki Murata (Osaka Univ.) IA2015-20 |
While a quality indicator changes from QoS to QoE, the design of communication network from user perspective has been ad... [more] |
IA2015-20 pp.7-12 |
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 |
DE, IPSJ-DBS, IPSJ-IFAT |
2015-08-05 13:00 |
Nara |
Todaiji Culture Center |
Empirical Study on Instance Selection from Healthcare Data Using Fuzzy Rough Sets Do Van Nguyen (KDDI R&D Labs), Keisuke Ogawa (KDDI), Kazunori Matsumoto, Masayuki Hashimoto (KDDI R&D Labs) DE2015-14 |
This research shows a study on issues that cause low performance in disease prediction such as overlap and imbalance and... [more] |
DE2015-14 pp.19-24 |
MoNA |
2015-08-04 14:35 |
Hyogo |
Kobe University Centennial Hall (Rokko Hall) |
[Encouragement Talk]
How high is the floor? Floor Height Estimation Based on Mobile Phones with Sensor Data Haruki Izumikawa, Yuki Hirota, Hiroshi Hanano, Chihiro Ono (KDDI Labs.) MoNA2015-12 |
We have undertaken research and development with the objectives of making cellular coverage distinctly visible and ident... [more] |
MoNA2015-12 pp.21-24 |
IN, NV (Joint) |
2015-07-17 16:10 |
Hokkaido |
Hokkaido University |
Study of Preemptive Distribution to Next Gates on Wireless Access Gate System in MMW Band Ayami Meguro (Tokyo Tech), Kenji Yokota, Atsushi Tagami (KDDI Lab.), Katsunori Yamaoka (Tokyo Tech) IN2015-36 |
Recently, mobile traffic has been increasing rapidly. In this situation, we need to shift frequency band used commonly n... [more] |
IN2015-36 pp.79-84 |
IN, NV (Joint) |
2015-07-17 17:00 |
Hokkaido |
Hokkaido University |
On Resource Estimation Method Preventing Degradation of Waiting Time of User in Virtualized EPC Ryota Mizutani, Takeshi Usui, Yoshinori Kitatsuji (KDDI Lab) IN2015-38 |
As Long Term Evolution (LTE) develops, mobile devices start to use various kinds of the applications. Nowadays, the burs... [more] |
IN2015-38 pp.91-96 |