Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2014-01-23 13:55 |
Kagoshima |
Hozan Hall (Kagoshima Prefectural Culture Center) |
Study on Shadowing by a Human Body at High Frequency Bands using UTD
-- Radio Wave Propagation Technology for Future Radio Access and Mobile Optical Network -- Ngochao Tran, Tetsuro Imai, Yukihiko Okumura (NTTDocomo) AP2013-154 |
(To be available after the conference date) [more] |
AP2013-154 pp.117-122 |
RCS, AP (Joint) |
2013-11-21 11:00 |
Shimane |
Matsue Terrsa |
Performance evaluation of linear decoding using real propagation channel on Massive MIMO Ryochi Kataoka, Kentaro Nishimori, Ngochao Tran (Niigata Univ.), Tetsuro Imai (NTTdocomo) AP2013-108 |
[more] |
AP2013-108 pp.49-54 |
SID-JC, EID, ITE-IDY, IEIJ-SSL [detail] |
2013-11-12 13:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
IMID2013Participant Report
-- 3D sessions -- Tsutomu Horikoshi (NTTdocomo) |
[more] |
|
ICM |
2013-07-11 13:00 |
Hokkaido |
Future University Hakodate |
Study on integrated control methods of the IP and Optical layer by SDN Yohei Kaminaga, Hiroaki Sato (NTTDOCOMO) ICM2013-9 |
In the current mobile core network, traffic is increasing rapidly by the increase in the smart phone or streaming video.... [more] |
ICM2013-9 pp.1-4 |
RCS |
2013-04-19 13:00 |
Okinawa |
Ishigaki City Hall |
A Transmission Power Control Method by Interference Power Estimation in Shared Frequency Bands Atsushi Ikeda, Shigeru Tomisato (Okayama Univ.), Hiromasa Fujii (NTTDOCOMO), Masaharu Hata (Okayama Univ.) RCS2013-19 |
This paper evaluates interference power reduction effect with the proposed transmission power control (TPC) method for l... [more] |
RCS2013-19 pp.101-106 |
SR |
2013-01-25 10:20 |
Nagano |
Shinshu Univ. |
An interference power estimation method for low-priority systems in spectrum sharing systems Atsushi Ikeda, Shigeru Tomisato (Okayama Univ.), Hiromasa Fujii (NTTDOCOMO), Masaharu Hata (Okayama Univ.) SR2012-77 |
This paper proposes a new transmission power control method for low-priority systems by the accurate estimation of inter... [more] |
SR2012-77 pp.33-38 |
SAT, RCS (Joint) |
2012-08-30 11:30 |
Kochi |
Kochi City Cultura-Plaza CUL-PORT |
Transmission Performance Improvement by Non-Linear Distortion Noise Control in Spectrum Sharing Seiichiro Okamoto, Shigeru Tomisato (Okayama Univ.), Hiromasa Fujii (NTTDOCOMO), Masaharu Hata (Okayama Univ.), Shunji Miura, Hidetoshi Kayama (NTTDOCOMO) RCS2012-101 |
On spectrum sharing systems, transmission power control (TPC) effectively works to avoid harmful inter-system interferen... [more] |
RCS2012-101 pp.31-36 |
NS, RCS (Joint) |
2011-12-16 15:05 |
Yamaguchi |
Yamaguchi University |
Non-Linear Distortion Noise Control for Spectrum Sharing Systems Seiichiro Okamoto, Shigeru Tomisato (Okayama Univ.), Hiromasa Fujii (NTTDOCOMO), Masaharu Hata (Okayama Univ.), Shunji Miura, Hidetoshi Kayama (NTTDOCOMO) RCS2011-260 |
Recently, a spectrum sharing method between wireless communication systems has been studied to use frequency resources w... [more] |
RCS2011-260 pp.165-170 |
NLC |
2011-07-08 13:20 |
Tokyo |
IBM Japan, Ltd. |
[Invited Talk]
Exploiting more than 10 million textual data per year on voice of customers forimproving busines Makoto Ichise (DOCOMO) NLC2011-15 |
[more] |
NLC2011-15 pp.79-83 |
SR |
2011-04-21 13:30 |
Shimane |
Matsue Terrsa |
A Multimode MIMO Successive Detector Tomoya Ohta, Satoshi Denno (Kyoto Univ.), Tatsuo Furuno (NTTdocomo), Masahiro Morikura (Kyoto Univ.) SR2011-1 |
Nowadays, cognitive radio draws attention because it can raise frequency
utilization efficiency. For the cognitive radi... [more] |
SR2011-1 pp.1-6 |
IN, NS (Joint) |
2011-03-04 09:10 |
Okinawa |
Okinawa Convention Center |
A study on inter TOF equipment relocation in SIPTO(solution4) Yohei Kaminaga, Takashi Komuro (NTTDOCOMO) NS2010-226 |
In 3GPP, SIPTO (Selected IP Traffic Offload) solution4 which is one of the Traffic Offload method, is being standardized... [more] |
NS2010-226 pp.363-366 |
CS, IPSJ-AVM, ITE-BCT, IE [detail] |
2010-12-02 15:40 |
Kyoto |
Nagoya Univ |
Technologies of Contents-Protection and Access Control for ISDB-Tmm Shinji Ishii (NTT), Yoshitaka Uchida, Toshiharu Morizumi (mmbi), Tatsuya Matsuda, Koichi Ito, Hidetaka Kuwano, Akihito Akutsu (NTT), Kimihiko Sekino (NTTdocomo) |
[more] |
|
SR |
2010-05-21 14:15 |
Kanagawa |
Keio Univ. (Tokyo) |
Performance of multimode receivers dependent on frequency response of Hilbert transformer and equalization of the response Hiroaki Homma, Satoshi Denno (Kyoto Univ), Tatsuo Furuno (NTTdocomo), Masahiro Morikura (Kyoto Univ) SR2010-15 |
A heterodyne receiver with the Hilbert transformer is in principle known to cope with signals in arbitrary frequency ban... [more] |
SR2010-15 pp.95-100 |
RCS, SAT (Joint) |
2009-12-18 14:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Spectrum Properties of DFTS-OFDM Transmission with Nonlinear Distortion Yuichiro Fukuda, Shigeru Tomisato, Masaharu Hata (Okayama Univ.), Hiromasa Fujii, Takahiro Asai, Yukihiko Okumura (NTTDOCOMO) RCS2009-195 |
This paper evaluates spectrum property of DFTS-OFDM transmission with non-linear distortion of a transmission power ampl... [more] |
RCS2009-195 pp.167-172 |
RCS |
2009-06-25 13:40 |
Aichi |
Nagoya University |
Out-of-band distortion power reduction by soft-clipping for wireless OFDMA systems Toshihisa Fujiwara, Shigeru Tomisato, Masaharu Hata (Okayama Univ.), Hiromasa Fujii, Takahiro Asai, Yukihiko Okumura (NTTDOCOMO) RCS2009-29 |
This paper proposes an adaptive control method for soft clipping which is one of effective peak power reduction methods ... [more] |
RCS2009-29 pp.13-16 |
ICM |
2009-03-13 14:20 |
Kagoshima |
|
A Practical Traffic Data Management System Based on a Large-Sacle PC Cluster Hironao Tamura, Hiroya Makino, Yushi Makino, Kazuhide Takahashi, Shoichi Hirata (NTTDoCoMo) ICM2008-81 |
Traffic data are indispensable for communication common careers to optimize quantity of network facilities and improve q... [more] |
ICM2008-81 pp.131-136 |
PN |
2009-03-10 14:30 |
Okinawa |
Yonaguni Island |
Link Power Saving Method towards Green Networks Hideaki Imaizumi, Masateru Minami (Tokyo Univ.), Tomohiro Nagata, Goro Kunito, Kenichi Yamazaki (NTTDoCoMo), Hiroyuki Morikawa (Tokyo Univ.) PN2008-102 |
In this paper, we discuss a link power saving method which
dynamically changes the number of active channels in IEEE 8... [more] |
PN2008-102 pp.105-110 |
IA, SITE |
2009-03-05 17:00 |
Kumamoto |
|
Proposal of geographical range search on P2P network Hideki Kamiya, Hiroshi Mineno (Shizuoka Univ.), Tomoyuki Osano, Hiromitsu Sumino, Norihiro Ishikawa (NTT dokomo), Tadanori Mizuno (Shizuoka Univ.) SITE2008-55 IA2008-78 |
[more] |
SITE2008-55 IA2008-78 pp.67-72 |
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 |
AP |
2009-01-22 11:45 |
Fukuoka |
Fukuoka University |
A Study on High Accuracy SIR Measurement Methods in Multipath Propagation Environment for OFDM Systems Mototsugu Suzuki, Koshiro Kitao, Tetsuro Imai (NTTDOCOMO) AP2008-165 |
In a mobile communication system, it is an important subject which is measured downlink SIR correctly by known signal in... [more] |
AP2008-165 pp.91-96 |