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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2021-06-23 16:10 |
Online | Online | Proof of concept of Normally-off type local 5G base station Kazutami Arimoto (Okaya.a Prefectural Univ.), Hiroshi Nakamura, Ryuichi Sakamoto, Yuta Suzuki (Univ. of Tokyo), Hideharu Takebe (poco-apoco Networks), Noriaki Yoshikawa, Kensaku Kinosita (Cyber Creative Institute), Tomoyuki Ohya (DOCOMO Technology)  RCS2021-44 |
Using open software and software defined radio, we developed a proof-of-concept facility (PoC) for a normally-off local ... [more] | RCS2021-44 pp.91-96 |
| RCS, SAT (Joint) |
2015-08-17 14:45 |
Fukuoka | Fukuoka Univ. | [Invited Lecture]
Efforts on Communications/Broadcasting Integrated Services Toshiharu Morizumi, Tomoyuki Ohya (mmbi) SAT2015-16 RCS2015-138 |
Integrated services of broadcasting and communications have been drawing attentions for long time. Broadcasting and comm... [more] | SAT2015-16 RCS2015-138 pp.29-34(SAT), pp.37-42(RCS) |
| ITE-BCT, IPSJ-AVM, CS, IE [detail] | 2012-12-06 10:00 |
Fukui | Fukuisi-chiiki-kouryu-plaza | The live feed over the mobile network in NOTTV programs Yasuhiko Hayashi, Shinichi nishizawa, Tomoyuki Ohya (mmbi) |
[more] | |
| MoNA, IPSJ-AVM | 2011-07-15 11:25 |
Nara | Nara Institute of Science and Technology | [Invited Talk]
ISDB-Tmm Multimedia Broadcasting Technologies Tomoyuki Ohya (mmbi) MoMuC2011-18 |
A multimedia broadcasting service for mobile terminals based on the Integrated Services Digital Broadcasting for mobile ... [more] | MoMuC2011-18 pp.55-59 |
| RCS, MoNA, SR (Joint) |
2011-03-03 16:45 |
Kanagawa | YRP | [Invited Talk]
Retransmission Request Scheme for Multimedia Broadcasting Content Delivery Hosei Matsuoka, Akira Yamada (NTT DOCOMO), Tomoyuki Ohya (Multimedia Broadcasting), Ryo Kitahara, Junichiro Hagiwara (NTT DOCOMO) RCS2010-280 MoMuC2010-93 SR2010-107 |
[more] | RCS2010-280 MoMuC2010-93 SR2010-107 pp.183-188(RCS), pp.75-80(MoMuC), pp.117-122(SR) |
| CS, IPSJ-AVM, ITE-BCT, IE [detail] | 2010-12-02 14:50 |
Kyoto | Nagoya Univ | ISDB-Tmm technology overview Tomoyuki Ohya, Toshiharu Morizumi, Shin'ichi Nishizawa, Kenji Nakayama, Takashi Koganemaru, Chiharu Kamise (mmbi) |
[more] | |
| CS, IPSJ-AVM, ITE-BCT, IE [detail] | 2010-12-02 15:15 |
Kyoto | Nagoya Univ | File-Casting Technologies for ISDB-Tmm Akira Yamada, Hosei Matsuoka (NTT DOCOMO), Tomoyuki Ohya (mmbi), Ryo Kitahara, Junichiro Hagiwara (NTT DOCOMO) |
[more] | |
| AN, USN, SR, RCS (Joint) |
2010-10-29 11:20 |
Osaka | Osaka University | On Capacity Improvement of 2x2 LOS-MIMO using Reflectors Jiyun Shen, Yasuhiro Oda, Tatsuo Furuno, Tamami Maruyama, Tomoyuki Ohya (NTT DOCOMO) RCS2010-133 |
As for the MIMO (Multiple-Input Multiple-Output) transmission scheme, high attention has be paid to the frequency utiliz... [more] | RCS2010-133 pp.169-174 |
| AN, USN, SR, RCS (Joint) |
2010-10-29 12:00 |
Osaka | Osaka University | Achievable Capacity of Cognitive Radio Systems Coexisting with a Macro Cellular System Hiromasa Fujii, Shunji Miura, Tomoyuki Ohya (NTT DOCOMO) SR2010-68 |
[more] | SR2010-68 pp.199-204 |
| SR | 2010-07-29 13:00 |
Kyoto | ATR (Kyoto) | Experimental Evaluation of Multiple Signal Identification based on Cyclostationarity in Spectrum Sharing Scenarios Hiroki Harada, Hiromasa Fujii, Shunji Miura, Tomoyuki Ohya (NTT DOCOMO) SR2010-16 |
The problem of conventional cyclostationarity-based feature detection is that the detection probability of weak signals ... [more] | SR2010-16 pp.1-6 |
| RCS, AN, MoNA, SR (Joint) |
2010-03-04 11:50 |
Kanagawa | YRP | Extensions of Linear Constraint Adaptive Array and Zero Forcing for Spectrum Sharing Environments Hiromasa Fujii, Takahiro Asai, Tomoyuki Ohya (NTT DOCOMO) RCS2009-292 |
[more] | RCS2009-292 pp.197-202 |
| SR | 2010-01-22 10:40 |
Tokyo | Univ. of Electro-Communications | Iterative Cyclostationarity-based Feature Detection of Multiple Primary Signals for Spectrum Sharing Scenarios Hiroki Harada, Hiromasa Fujii, Shunji Miura, Tatsuo Furuno, Tomoyuki Ohya (NTT DOCOMO, INC.) SR2009-84 |
The original cyclostationarity cannot distinguish signals if several signals have the same signal format and parameters,... [more] | SR2009-84 pp.65-72 |
| RCS, SIP | 2010-01-21 16:00 |
Fukuoka | Kyushu Univ. | Optimum Weighting for Adaptive Array Antennas under Spectrum Sharing Environments Hiromasa Fujii, Takahiro Asai, Tomoyuki Ohya (NTT DOCOMO) SIP2009-98 RCS2009-232 |
[more] | SIP2009-98 RCS2009-232 pp.145-150 |
| MoNA, IPSJ-MBL | 2009-05-07 16:55 |
Okinawa | Miyakojima Marine Terminal | Looking back on the activity of MoMuC committee
-- Beyond 10 years from MoMuC foundation -- Tomoyuki Ohya (NTT DOCOMO), Masakatsu Ogawa (NTT East Corp.), Shigeaki Tagashira (Kyushu Univ.) MoMuC2009-9 |
For last two years, the technical committee on Mobile Multimedia Communications (MoMuC) has been organized various speci... [more] | MoMuC2009-9 pp.95-99 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-05 15:35 |
Kanagawa | YRP | Retransmission Request Scheme for Broadcast Content Delivery Hosei Matsuoka, Akira Yamada, Tomoyuki Ohya (NTT Docomo) MoMuC2008-88 |
Under integrated systems of communication and broadcasting, the lost data in broadcasting is recoverable with a retransm... [more] | MoMuC2008-88 pp.19-22 |
| IN, MoNA (Joint) |
2008-11-13 14:55 |
Fukuoka | Kyushu Institute of Technology | Performance Evaluation of Contents Distribution System for Communication-Broadcasting Integrated Services Akira Yamada, Hosei Matsuoka, Tomoyuki Ohya (NTT DOCOMO) MoMuC2008-62 |
A combination of communication and broadcasting systems is presently expected to create integrated new services. In this... [more] | MoMuC2008-62 pp.5-9 |
| SR, RCS, USN, AN (Joint) |
2008-10-24 13:40 |
Okinawa | Okinawa industry support center | Power Saving Method of Wireless LAN Access Points Kei Igarashi, Akira Yamada, Tomoyuki Ohya (NTT DoCoMo) RCS2008-123 |
It is expected that mobile terminals equipped with both wireless LAN and 3G cellar interface play a role of wireless LAN... [more] | RCS2008-123 pp.123-128 |
| RCS | 2008-06-27 16:25 |
Mie | Mie University | On the Gains of MU-MIMO Coordinated Base Stations Transmission Anass Benjebbour, Masashige Shirakabe, Yusuke Ohwatari, Junichiro Hagiwara, Tomoyuki Ohya (NTT DoCoMo) RCS2008-29 |
Interference management is essential toward improving spectral efficiency in wireless networks. During the last decade i... [more] | RCS2008-29 pp.79-84 |
| RCS | 2008-06-27 17:15 |
Mie | Mie University | Complexity-Reduced Transmit Power Optimization Techniques for Multiuser MIMO with Per-Antenna Power Constraint Yusuke Ohwatari, Anass Benjebbour, Junichiro Hagiwara, Tomoyuki Ohya (NTT DoCoMo) RCS2008-31 |
For a (MU)-MIMO precoded transmission with individual constraints on the maximum power of each transmit antenna, the pro... [more] | RCS2008-31 pp.91-96 |
| USN, CQ, MoNA (Joint) |
2008-01-25 11:20 |
Shizuoka | Kenshu Kouryu Center, Actcity Hamamatsu (Shizuoka) | [Technology Exhibit]
WLAN VoIP Capacity Improvement with Distributed Packet Scheduling Kei Igarashi, Akira Yamada, Tomoyuki Ohya (NTT DoCoMo) MoMuC2007-77 USN2007-70 |
[more] | MoMuC2007-77 USN2007-70 pp.69-70(MoMuC), pp.85-86(USN) |
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