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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 10 of 10  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCC, ASN, RCS, NS, SR
(Joint)
2015-07-29
15:50
Nagano JA Naganoken Bldg. An experimental discussion of virtual array antenna technologies for dynamic beam-forming in a low cost way
Taichi Ohtsuji, Takahide Yoshida, Hiroto Sugahara (NEC) ASN2015-28
With rapid growth of IoT (Internet of Things), a scenario of wireless communications between moving things is expected t... [more] ASN2015-28
pp.43-48
RCS 2015-06-25
14:55
Hokkaido Hokkaido Univ. Evaluation of Interference Characteristic of Device-to-Device Communication in Public Safety LTE
Kazushi Muraoka, Jun Shikida, Hiroto Sugahara (NEC) RCS2015-75
Public safety networks are desired to meet increasing needs for sharing images or videos among incident commanders and f... [more] RCS2015-75
pp.173-178
ICM 2015-03-20
14:30
Okinawa Ishigaki-City-Hall A Data Transfer Method Using Fragmental Low Load Intervals of LTE Base Station
Eiji Takahashi, Hiroto Sugahara, Takeo Onishi, Takahiro Shiroshima (NEC) ICM2014-71
The necessity of improving the efficiency of radio base station usage by peak load distribution is increasing, because o... [more] ICM2014-71
pp.103-108
RCS, NS
(Joint)
2013-12-19
15:00
Kagawa Sunport Hall Takamatsu [Invited Lecture] SON Algorithm for Small Cell eNB in LTE Heterogeneous Network
Takamichi Inoue, Kosei Kobayashi, Yoshinori Watanabe, Hiroto Sugahara, Yasuhiko Matsunaga (NEC) NS2013-146 RCS2013-234
 [more] NS2013-146 RCS2013-234
pp.73-78(NS), pp.167-172(RCS)
RCS 2013-04-18
14:50
Okinawa Ishigaki City Hall Self-optimization of Transmit Power in LTE Heterogeneous Network
Takamichi Inoue, Kosei Kobayashi, Hiroto Sugahara, Yasuhiko Matsunaga (NEC) RCS2013-9
 [more] RCS2013-9
pp.49-54
RCS 2011-06-23
10:00
Okinawa Ryukyu Univ. Wireless base station sleep mode control for energy saving with network congestion avoidance and network outage suppression
Taichi Kumagai, Yasuhiko Matsunaga, Hiroto Sugahara, Kosei Kobayashi, Hisashi Futaki (NEC) RCS2011-38
Since wireless base stations account for a major portion of energy consumption in mobile networks, there is a growing de... [more] RCS2011-38
pp.19-24
RCS, MoNA, SR
(Joint)
2011-03-03
10:30
Kanagawa YRP Dynamic Neighbor Cell List Management for Handover Optimization in LTE
Yoshinori Watanabe, Yasuhiko Matsunaga, Kosei Kobayashi, Hiroto Sugahara, Kojiro Hamabe (NEC Corp.) RCS2010-269
Self-optimization of the neighbor cell list (NCL) is expected to improve handover performance and reduce the need for si... [more] RCS2010-269
pp.127-132
SR 2011-01-27
15:40
Fukuoka Kyushu Institute of Technology [Panel Discussion] Cross Layer Technologies for Cognitive Radio Systems in QoSMOS Project
Masayuki Ariyoshi, Hiroto Sugahara (NEC), Vincent Merat, Christophe Rosik (NEC Tech (UK)) SR2010-77
An European FP7 project, QoSMOS aims to develop a framework for QoS and mobility driven cognitive radio systems. Six sc... [more] SR2010-77
p.47
AN, USN, SR, RCS
(Joint)
2010-10-29
11:00
Osaka Osaka University Site Specific Interference Estimation for Advanced Spectrum Management in Cognitive Radio Systems over White Space Spectrum
Toshifumi Nakamura, Hiroto Sugahara, Kazushi Muraoka, Masayuki Ariyoshi (NEC) SR2010-65
Spectrum management is one of essential functions for cognitive radio systems operating in white space spectrum bands in... [more] SR2010-65
pp.177-184
ICM 2008-03-13
11:40
Okinawa   Radio Network Co-design System for Multiple Divisions
Kosei Kobayashi, Yasuhiko Matsunaga, Takayuki Nyu, Hiroto Sugahara, Takashi Ono, Yoshinori Watanabe, Masahiro Motoyoshi, Yuma Matsuda (NEC) TM2007-57
In this paper, we propose to introduce radio network co-design between planning, operation and customer relations divisi... [more] TM2007-57
pp.25-30
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