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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 43  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
NS, NWS
(Joint)
2022-01-28
09:00
Online Online A novel approach for Low Latency Communications in Mobile System
Tomoyuki Nagano, Yoshinori Kitatsuji (KDDI Research, Inc.) NS2021-112
(To be available after the conference date) [more] NS2021-112
pp.13-18
IA 2021-09-08
13:00
Online Online Development and Evaluation of an Abnormal Condition Detection System during Snow Removal Operations based on Behavioral Sensing of Operators
Kenya Sugimoto, Hiroshi Yamamoto (Ritsumeikan Univ.), Yoshinori Kitatsuji (KDDI Research, Inc.) IA2021-19
Snow removal operations by snowplows in Japan's snowy and cold regions play an important role for securing social activi... [more] IA2021-19
pp.29-35
IA 2021-09-08
13:25
Online Online Development and Evaluation of a Contact Accident Prevention System around Snowplows utilizing LiDAR and Machine Learning Technologies
Kohei Omachi, Hiroshi Yamamoto (Ritsumeikan Univ.), Yoshinori Kitatsuji (KDDI Research, Inc.) IA2021-20
In heavy snowfall areas, snow removal work by snowplows plays a significant role in securing transportation for local re... [more] IA2021-20
pp.36-41
IA 2021-09-08
13:50
Online Online Development and Evaluation of a Wide-Area Road Surface and Snow Condition Observation System utilizing Traveling Sensing by LiDAR
Ryota Akiyama, Hiroshi Yamamoto (Ritsumei Univ.), Yoshinori Kitatsuji (KDDI Research, Inc.) IA2021-21
In order to improve the efficiency of the snow removal activity in heavy
snowfall areas, the measurement of the snow de... [more]
IA2021-21
pp.42-48
CQ 2019-08-27
11:55
Hokkaido Hakodate arena Estimation of Cell Phone Location for Disaster Rescue using drone-mounted Small eNB and EPC
Takuro Sakai, Chikara Sasaki, Yoshinori Kitatsuji (KDDI Research) CQ2019-64
We developed an estimation method of cell phone locations using a tiny LTE mobile system (Evolved Node B and Evolved Pac... [more] CQ2019-64
pp.39-42
IA, SITE, IPSJ-IOT [detail] 2018-03-06
15:20
Tochigi Kinugawa Onsen Hotel Development of Small Mobile System to Support Communication Services for Cell Phones in Disaster Situation
Takuro Sakai, Yoshinori Kitatsuji (KDDI Reserach), Katsuyuki Yamazaki (Nagaoka University of Technology) SITE2017-81 IA2017-92
We developed a small mobile system to support communication services for cell phones in disaster situation. The system h... [more] SITE2017-81 IA2017-92
pp.267-272
RCS, NS
(Joint)
2017-12-15
10:30
Hiroshima Aster Plaza [Invited Lecture] Realization of Network Slice in 5G Mobile Core
Takeshi Usui, Yoshinori Kitatsuji (KDDI Research) NS2017-134 RCS2017-260
Recently, the research and development, and standardization regarding the 5th generation mobile network (5G) have been a... [more] NS2017-134 RCS2017-260
pp.43-46(NS), pp.55-58(RCS)
CS 2017-07-28
14:00
Nagasaki Fukue Bunka Kaikan A Service Resiliency Framework for the Next Generation Mobile Cellular Network
Zaw Htike, Yoshinori Kitatsuji (KDDI Research Inc.) CS2017-41
 [more] CS2017-41
pp.149-152
NS, ASN, RCC, RCS, SR
(Joint)
2017-07-20
15:25
Hokkaido Hokkaido Univ. [Invited Talk] Outlook of the fifth Generation Mobile Communication System and Mobile Core Network Operations
Ryota Mizutani, Takeshi Usui, Yoshinori Kitatsuji (KDDI Research) RCC2017-39 NS2017-60 RCS2017-131 SR2017-54 ASN2017-48
 [more] RCC2017-39 NS2017-60 RCS2017-131 SR2017-54 ASN2017-48
pp.145-150(RCC), pp.159-164(NS), pp.199-204(RCS), pp.157-162(SR), pp.177-182(ASN)
ICM 2017-03-10
18:00
Okinawa Miyakojima Marine Terminal Bldg. Automatic generation method of workflow utilized in verification of Openstack operation
Ryota Mizutani, Takeshi Usui, Yoshinori Kitatsuji (KDDI Research, Inc.) ICM2016-71
 [more] ICM2016-71
pp.105-109
MoNA, IN
(Joint)
2015-11-18
16:10
Kumamoto Kumamoto University A Study of Aggregating Cellular Communication Lines for IoT Devices by Sharing IMSI
Manabu Ito (NICT/Osaka Univ.), Nozomu Nishinaga (NICT), Yoshinori Kitatsuji (KDDI R&D Labs.), Masayuki Murata (Osaka Univ.) MoNA2015-36
To provide cellular communication for a large number of IoT devices, a large number of servers are needed to increase th... [more] MoNA2015-36
pp.83-88
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
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
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
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
ICM 2015-03-20
14:50
Okinawa Ishigaki-City-Hall [Encouragement Talk] Proposal and Evaluation of Redirect Process for Congestion Tolerance of EPC Signaling by Using Network Function Virtualization
Takeshi Usui, Yujin Noishiki, Takeshi Hashimoto, Yoshinori Kitatsuji (KDDI Lab) ICM2014-72
Virtualized functions of EPC(Evolved Packet Core) which is mobility management system in LTE(Long Term Evolution) have b... [more] ICM2014-72
pp.109-114
MICT, ASN, MoNA
(Joint)
2015-01-26
09:00
Wakayama Nanki Shirahama Efficient Paging Method Considering Movement Condition of Mobile Terminals in LTE Networks
Takeshi Hashimoto, Masafumi Watari, Yujin Noishiki, Yoshinori Kitatsuji (KDDI R&D Labs) MoNA2014-58
Recently, high-speed LTE communication encourages wide usage of interactive application using push communication. For pu... [more] MoNA2014-58
pp.1-6
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 2014-01-23
16:35
Okinawa Univ. of the Ryukyus [Invited Talk] Study on Cloudization of IP Multimedia Subsystem
Yoshinori Kitatsuji (KDDI Labs), Manabu Itou (KDDI), Satoshi Komorita, Hidetoshi Yokota (KDDI Labs), Takeo Hayashi (NEC) NS2013-169
Employing a cloud concept into the communication systems enables on-demand configuration change on the service system in... [more] NS2013-169
pp.35-40
NS, CS, IN
(Joint)
2013-09-12
13:00
Miyagi Tohoku Univ. Research Institute of Electrical Communication 2gokan [Tutorial Lecture] Introduction to Network Virtualization Systems -- Flexible Communication Infrastructure Enabling Deeply Programmable Virtual Networks --
Akihiro Nakao (Univ. of Tokyo), Katsuhiro Shimano, Kazuhisa Yamada (NTT), Yoshinori Kitatsuji, Shigehiro Ano (KDDI R&D Labs), Masahiro Kiyokawa (NICT) NS2013-75 IN2013-62 CS2013-28
 [more] NS2013-75 IN2013-62 CS2013-28
p.23(NS), p.25(IN), p.1(CS)
 Results 1 - 20 of 43  /  [Next]  
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