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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| IT, SIP, RCS | 2017-01-19 13:30 |
Osaka | Osaka City Univ. | Comparative Study on LDS and SCMA in Uplink Transmission in Considering of Channel Correlation between User Devices for 5G mMTC Manabu Mikami, Junichi Nakajima, Hitoshi Yoshino (Softbank)  IT2016-57 SIP2016-95 RCS2016-247 |
Currently, the fifth generation mobile communications system (5G) has been technically discussed very well to support us... [more] | IT2016-57 SIP2016-95 RCS2016-247 pp.63-68 |
| AP, WPT (Joint) |
2017-01-19 14:30 |
Hiroshima | Hiroshima Institute of Technology | Propagation Measurements by Using Directional Vehicle Antenna Masayuki Miyashita, Kazuma Tomimoto, Ryo Yamaguchi, Junichi Nakajima, Sourabh Maiti, Manabu Mikami, Hitoshi Yoshino (SB) AP2016-134 |
(To be available after the conference date) [more] | AP2016-134 pp.27-31 |
| NS, RCS (Joint) |
2016-12-22 16:25 |
Ishikawa | A Study on Extension of Tomlinson-Harashima Precoding Employing Perturbation Vector Search for Downlink MU-MIMO Systems Sourabh Maiti, Manabu Mikami, Kenji Hoshino, Hitoshi Yoshino (Softbank) RCS2016-235 |
[more] | RCS2016-235 pp.153-158 |
|
| RCS, AP (Joint) |
2016-11-25 10:00 |
Kyoto | Kyoto International Community House | A Prototype of Real-Time Transmit Beamforming at 28 GHz Band and its Laboratory Experiments Masayuki Miyashita, Kazuma Tomimoto, Manabu Mikami, Ryo Yamaguchi, Hitoshi Yoshino (SB) AP2016-116 |
Recently, the study on the 5th generation communication systems using a high frequency band has been actively conducted.... [more] | AP2016-116 pp.53-58 |
| RCS | 2016-10-20 16:05 |
Kanagawa | YRP (Yokosuka) | [Invited Lecture]
A study on the use of higher portion of SHF band for 5G Hitoshi Yoshino, Ryo Yamaguchi, Manabu Mikami (SoftBank Corp.) RCS2016-172 |
SHF-band broadband transmission is under study aiming at increasing peak data rate and/or system capacity for 5G Ultra M... [more] | RCS2016-172 pp.105-109 |
| 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 |
| SR, AN, USN, RCS (Joint) |
2012-10-17 11:40 |
Fukuoka | Fukuoka univ. | A Study on Inter-Cell Interference Cancellation for Downlink Layer-1/Layer-2 Control Channels in LTE/LTE-Advanced Heterogeneous Networks Masayuki Miyashita, Manabu Mikami, Hitoshi Yoshino (Softbank Mobile) RCS2012-131 |
Recently, data traffic is explosively increasing in cellular mobile communication system due to the prevalence of smart ... [more] | RCS2012-131 pp.37-42 |
| SR, RCS, SRW (Joint) |
2012-03-08 15:45 |
Kanagawa | YRP | [Invited Talk]
Trends of ITU-R Standadization
-- Results of ITU-R RA-12 & WRC-12, and future perspective -- Hitoshi Yoshino (SBM) |
ITU (International Telecommunication Union) Radiocommunication Assembly (RA-12) and World Radiocommunication Conference ... [more] | |
| RCS | 2011-04-22 15:00 |
Kanagawa | Keio University | Field Experimental Results on Cooperative Multi-Point Wireless Transmission Masayuki Miyashita, Kenji Hoshino, Haruya Miyajima, Manabu Mikami, Hitoshi Yoshino, Teruya Fujii (Softbank Mobile) RCS2011-17 |
[more] | RCS2011-17 pp.95-100 |
| SR | 2011-04-21 15:50 |
Shimane | Matsue Terrsa | [Invited Talk]
The current status of ITU-R studies on Cognitive Radio Systems Hitoshi Yoshino (Softbank Mobile Corp.) SR2011-6 |
World Radiocommunication Conference 2007 (WRC-07) set Agenda Item 1.19 “to consider regulatory measures and their releva... [more] | SR2011-6 pp.31-35 |
| SAT, RCS (Joint) |
2010-08-26 12:50 |
Kagoshima | Kagoshima Univ. | An Evaluation on Wireless Transmission Characteristics in LTE Kitakyushu Field Trial at Specified Ubiquitous District Manabu Mikami, Atsushi Nagate, Kenji Hoshino, Hitoshi Yoshino, Teruya Fujii (Softbank Mobile Corp.) RCS2010-81 |
LTE (Long Term Evolution), which is specified in 3GPP (3rd Generation Partnership Project) Release 8 and employs downlin... [more] | RCS2010-81 pp.19-24 |
| SAT, RCS (Joint) |
2010-08-26 13:30 |
Kagoshima | Kagoshima Univ. | A Basic Experiment of Multi-BS Cooperative Transmission in LTE Kitakyushu Field Trial at Specified Ubiquitous District Atsushi Nagate, Kenji Hoshino, Manabu Mikami, Hitoshi Yoshino, Teruya Fujii (Softbank Mobile) RCS2010-83 |
[more] | RCS2010-83 pp.31-36 |
| SIP, RCS | 2009-01-22 09:25 |
Kumamoto | Kumamoto University | Required Bandwidth and Peak Power Reduction Effect of Intermediary Over-Sampling for Wireless OFDMA Systems Kazuhiko Fujimoto, Shigeru Tomisato, Masaharu Hata (Okayama Univ.), Hiromasa Fujii, Hitoshi Yoshino (NTTDOCOMO) SIP2008-125 RCS2008-173 |
This paper evaluates the required bandwidth to iterative peak power reduction to exactly reduce PAPRs in the proposed in... [more] | SIP2008-125 RCS2008-173 pp.7-12 |
| SR | 2009-01-22 14:30 |
Kyoto | Kyoto University | Performance Evaluation of a Spectrum Sharing Method with Joint Power Control and Spectrum Aggregation Techniques Yuta Sagae, Hitoshi Yoshino (NTT DOCOMO) SR2008-71 |
[more] | SR2008-71 pp.15-20 |
| SR | 2009-01-22 16:20 |
Kyoto | Kyoto University | [Invited Talk]
The State of the art of ITU-R studies on Cognitive Radio Systems Hitoshi Yoshino (NTT Docomo) SR2008-74 |
World Radiocommunication Conference 2007 (WRC-07) set Agenda Item 1.19 “to consider regulatory measures and their releva... [more] | SR2008-74 pp.37-42 |
| SR, RCS, USN, AN (Joint) |
2008-10-23 14:55 |
Okinawa | Okinawa industry support center | Performance Analysis of Adaptive TPC Spectrum Sharing under Multicell Environments Hiromasa Fujii, Hitoshi Yoshino (NTT DOCOMO, Inc.) SR2008-54 |
[more] | SR2008-54 pp.113-118 |
| AP, SAT (Joint) |
2008-07-23 09:30 |
Hokkaido | Hokkaido University | Using 3D Maps to Investigate the Calculating Method of Clutter Losses in Recommendation ITU-R P.452
-- Effects of Local Fluctuations of Ground Level -- Hiromasa Fujii, Hitoshi Yoshino (NTT DoCoMo) AP2008-36 |
[more] | AP2008-36 pp.1-6 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-07 14:00 |
Kanagawa | YRP | New spectrum for IMT-Advanced
-- Report of ITU-R World Radiocommunication Conference 2007 -- Hitoshi Yoshino (NTT DoCoMo) SR2007-98 |
International Telecommunication Union(ITU) World Radiocommunication Conference 2007 (WRC-07) was held from October 22nd ... [more] | SR2007-98 pp.91-94 |
| RCS, SIP | 2008-01-25 09:00 |
Hiroshima | Hiroshima City Uni. | Theoretical Capacity and Outage rate of OFDMA Cellular System with Fractional Frequency Reuse Hiromasa Fujii, Hitoshi Yoshino (NTT DoCoMo, Inc.) SIP2007-158 RCS2007-161 |
Employing fractional frequency reuse (FFR) in OFDMA cellular systems is attracting a lot of attention since it offers la... [more] | SIP2007-158 RCS2007-161 pp.1-6 |
| SR | 2007-11-27 09:00 |
Hiroshima | Hirishima international univ. | Spectrum Sharing by Adaptive Transmit Power Contorl for Low Priority Systems and its Achievable Capacity Hiromasa Fujii, Hitoshi Yoshino (NTT DoCoMo) SR2007-48 |
A spectrum sharing method is proposed for the systems which share the same frequency band or adjacent bands with differe... [more] | SR2007-48 pp.15-20 |
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