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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 26  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
NS, IN, CS, NV
(Joint)
2019-09-06
14:30
Miyagi Research Institute of Electrical Communication, Tohoku Univ. A Study on Performance of TCP BBR and CUBIC TCP over 5G Network
Tomoaki Kanaya (Kogakuin Univ.), Takao Okamawari, Nobuo Tabata (Softbank), Saneyasu Yamaguchi (Kogakuin Univ.) NS2019-92
(To be available after the conference date) [more] NS2019-92
pp.19-24
IA, SITE, IPSJ-IOT [detail] 2018-03-06
14:20
Tochigi Kinugawa Onsen Hotel Accuracy of Clock Synchronization in IEEE1588 where Boundary Clock and Synchronous Ethernet are Combined
Koki Horita (Keio Univ.), Shota Shiobara, Takao Okamawari, Yoichi Goto (Softbank), Fumio Teraoka, Kunitake Kaneko (Keio Univ.) SITE2017-78 IA2017-89
 [more] SITE2017-78 IA2017-89
pp.233-238
MoNA, ASN, IPSJ-MBL, IPSJ-UBI [detail] 2017-03-10
14:30
Tokyo University of Tokyo (Hongo Campus) An Available Bandwidth Estimation Method for Mobile Networks
Shota Shiobara, Takao Okamawari (SoftBank Corp.) MoNA2016-47
Recently, mobile traffic is increasing exponentially due to the popularity of mobile devices. Therefore, the available b... [more] MoNA2016-47
pp.301-307
IA, SITE, IPSJ-IOT [detail] 2017-03-03
13:50
Okinawa Culture Resort Festone (Okinawa) Verification of Precise of Clock Synchronization using IEEE 1588 in Network Composed of Ordinary Routers
Koki Horita (Keio Univ.), Shota Shiobara, Takao Okamawari (Softbank), Fumio Teraoka, Kunitake Kaneko (Keio Univ.) SITE2016-62 IA2016-92
In these days, demands for highly precise clock synchronization have been increasing. IEEE1588 (PTP), which aims for sub... [more] SITE2016-62 IA2016-92
pp.13-18
NS, RCS
(Joint)
2016-12-21
11:35
Ishikawa   Development of Network-Listening Time Synchronization method for Layered cell control architecture in a dense 3D cell structure
Yasuhiro Nagai, Shota Shiobara, Takao Okamawari, Teruya Fujii (Softbank Corp.) RCS2016-212
HetNet (heterogeneous network) is currently studied in 3GPP to meet with rapid increase of mobile traffic. HetNet is def... [more] RCS2016-212
pp.29-34
SR, SRW
(Joint)
2016-05-16
14:30
Overseas Hotel Lasaretti, Oulu, Finland [Poster Presentation] Layered Cell Configuration for 3D Dense Cell Structure
Atsushi Nagate, Manabu Mikami, Takao Okamawari, Teruya Fujii (SoftBank) SR2016-5 SRW2016-5
 [more] SR2016-5 SRW2016-5
pp.15-20
RCS, CCS, SR, SRW
(Joint)
2016-03-04
13:40
Tokyo Tokyo Institute of Technology Distributed control architecture for multi-cell coordinated MU-MIMO using simple Interference Cancel method
Shota Shiobara, takao okamawari, teruya fujii (Softbank) RCS2015-392
CoMP-JT (Coordinated Multiple Point Joint Transmission) is a technology to improve the cell-edge performance in LTE-Adva... [more] RCS2015-392
pp.345-350
RCS 2015-10-01
15:15
Kanagawa YRP (Yokosuka) [Invited Lecture] A perspective on 5G and activities towards 5G
Hitoshi Yoshino, Manabu Mikami, Atsushi Nagate, Takao Okamawari, Teruya Fujii (Softbank) RCS2015-171
5th Generation mobile communication systems are being studied in order to efficiently support a wide variety of highly s... [more] RCS2015-171
pp.77-81
RCS, SR, SRW
(Joint)
2015-03-04
13:35
Tokyo Tokyo Institute of Technology Field evaluation of base station synchronization method using GPS to realize eICIC for LTE-Advanced
Shota Shiobara, Yasuhiro Nagai, Takao Okamawari, Teruya Fujii (SoftBank Mobile Corp.) RCS2014-316
HetNet (heterogeneous networks) is studied intensively to meet with the explosive mobile traffic increase. HetNet is def... [more] RCS2014-316
pp.89-94
RCS, SR, SRW
(Joint)
2015-03-04
16:15
Tokyo Tokyo Institute of Technology Layered cell control architecture over inter base-station interface in a dense 3D cell structure
Takao Okamawari, Atsushi Nagate, Teruya Fujii (softbank mobile) RCS2014-322
HetNet (heterogeneous network) is currently studied in LTE-Advanced to meet with the explosive increase of mobile traffi... [more] RCS2014-322
pp.123-128
IN, NV
(Joint)
2014-07-18
10:35
Hokkaido Hokkaido Univ. High-precise Delay Measurements of Prioritized Packets in Network Equipments
Takahisa Sekiguchi (Keio Univ.), Liang Zhang, Takao Okamawari (SOFTBANK MOBILE), Fumio Teraoka, Kunitake Kaneko (Keio Univ.) IN2014-42
Highly precise time synchronization via network is required. Among various causes that make the precision of time synchr... [more] IN2014-42
pp.71-76
PN, NS, OCS
(Joint)
2014-06-27
13:30
Oita B-ConPlaza High-Precise Jitter Measurements of Network Equipments fot Time Synchronization
Takahisa Sekiguchi (Keio Univ.), Liang Zhang, Takao Okamawari (SOFTBANK MOBILE), Fumio Teraoka, Kunitake Kaneko (Keio Univ.) NS2014-41
Highly precise time synchronization via network is required. There are various causes that make the precision of time sy... [more] NS2014-41
pp.11-16
RCS, SR, SRW
(Joint)
2014-03-03
13:00
Tokyo Waseda Univ. A Study on Network-Based Coordinated Interference Control in 3D Cell Structure with eICIC
Atsushi Nagate, Manabu Mikami, Takao Okamawari, Teruya Fujii (Softbank Mobile) RCS2013-322
 [more] RCS2013-322
pp.97-102
RCS, SR, SRW
(Joint)
2014-03-03
14:00
Tokyo Waseda Univ. Network control architecture for base station coordination in eICIC based 3D cell structure
Takao Okamawari, Liang Zhang, Teruya Fujii (Softbank Mobile) RCS2013-325
 [more] RCS2013-325
pp.115-120
RCS, SR, SRW
(Joint)
2014-03-03
14:20
Tokyo Waseda Univ. A study on transmission delay improvement over inter-BS network in eICIC based 3D cell structure
Daisuke Maeda, Liang Zhang, Takao Okamawari, Teruya Fujii (SoftBank Mobile) RCS2013-326
In LTE-Advanced (Long Term Evolution-Advanced), HetNet (heterogeneous network) is studied intensively for the explosive ... [more] RCS2013-326
pp.121-126
RCS, SR, SRW
(Joint)
2013-02-28
11:10
Tokyo Waseda Univ. Field Experiment of the Network Control Architecture for CoMP JT over X2
Yasuhiro Nagai, Liang Zhang, Takao Okamawari, Teruya Fujii (Softbank Mobile) RCS2012-329
CoMP JT (Coordinated Multiple Point Joint Transmission) is one of the key technologies in LTE-Advanced to improve the ce... [more] RCS2012-329
pp.273-278
SR, RCS, SRW
(Joint)
2012-03-08
09:00
Kanagawa YRP Analysis of End-to-End Transmission Delay for LTE
Yasuhiro Nagai, Liang Zhang, Takao Okamawari, Teruya Fujii (SBM) RCS2011-337
LTE (Long Term Evolution) allows us to provide low delay IP services. The delay performance may be degraded due to the l... [more] RCS2011-337
pp.127-132
AP, RCS
(Joint)
2011-11-17
09:35
Aichi Nagoya Congress Center Performance Evaluation of TCP and UDP during LTE Handover
Liang Zhang, Takao Okamawari, Teruya Fujii (Softbank Mobile Corps) RCS2011-207
LTE (Long Term Evolution) is expected as a next generation mobile system which can provide better communication quality ... [more] RCS2011-207
pp.109-114
RCS, NS
(Joint)
2011-07-21
13:05
Hokkaido Asahikawa Civic Culture Hall Evaluation of communication quality over LTE by field experiment
Liang Zhang, Baoshan Yan, Takao Okamawari, Hideki Hayashi, Teruya Fujii (SBM) RCS2011-83
LTE is expected as a next generation mobile system which can provide better communication quality (Higher transmission t... [more] RCS2011-83
pp.49-54
RCS, NS
(Joint)
2011-07-21
13:25
Hokkaido Asahikawa Civic Culture Hall Cooperative control for multiple base stations in an environment consisting of various cell sizes
Teruya Fujii, Hideki Hayashi, Takao Okamawari, Manabu Mikami (SBM) RCS2011-84
 [more] RCS2011-84
pp.55-60
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