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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT | 2017-10-26 13:50 |
Okinawa | Okinawa Cellular Telephone Company | Expectation toward the Satellite Communications from the viewpoint of a Cellular Operator Shunji Miura, Kazuhide Ando, Seiichi Yoshimura (NTT DOCOMO)  SAT2017-43 |
Some examples of current satellite applications applied into the cellular systems are explained. In conventional usage, ... [more] | SAT2017-43 pp.37-42 |
| ITE-ME, ITE-AIT, IE [detail] | 2012-11-15 15:20 |
Kagoshima | Kagoshima Univ. | Performance Improvement of Learning-based Super-resolution utilizing Total Variation Regularization Decomposition Yuta Kawamoto, Shunji Miura, Yasutaka Sakuta, Tomio Goto, Masaru Sakurai (Nagoya Inst. of Tech.) IE2012-84 |
In this paper, we propose a new learning-based super-resolution method, which utilizes the Principal Components Analysis... [more] | IE2012-84 pp.13-16 |
| 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 |
| SR | 2012-07-26 13:25 |
Kagoshima | Yakushima (an island in Kagoshima pref.) | A Proposed Application of Cognitive Radio Technique towards the Usage of White Space in Public Cellular Systems and its Evaluation Results obtained form an Indoor Test-Bed Hiromasa Fujii, Shunji Miura, Hidetoshi Kayama (NTT DOCOMO) SR2012-18 |
[more] | SR2012-18 pp.7-14 |
| AP, SAT (Joint) |
2012-07-26 11:20 |
Hokkaido | Hokkaido Univ. | Human-Body Shadowing Modeling for Indoor Quasi-static MIMO Channels Kentaro Saito, Koshiro Kitao, Tetsuro Imai, Shunji Miura, Hidetoshi Kayama (NTT DOCOMO) AP2012-53 |
[more] | AP2012-53 pp.131-136 |
| SR | 2012-01-26 16:05 |
Kagoshima | Kagoshima | [Panel Discussion]
Possible applications of cognitive radio techniques to the next generation cellular communication systems Hiromasa Fujii, Hiroki Harada, Shunji Miura, Hidetoshi Kayama (NTT DOCOMO) SR2011-84 |
[more] | SR2011-84 pp.43-50 |
| AP | 2012-01-18 13:20 |
Fukuoka | Kyushu Inst. of Tech. | Experimental Study on Spatio-Temporal Channel in Indoor Environments Koshiro Kitao, Tetsuro Imai, Kentaro Saito, Yoshiki Okano, Hiroki Harada, Shunji Miura (NTT DOCOMO) AP2011-152 |
This paper describes characteristics of direct and scattered waves which are extracted from the measurement channel data... [more] | AP2011-152 pp.37-42 |
| AP | 2012-01-18 14:00 |
Fukuoka | Kyushu Inst. of Tech. | Data Analysis and Modeling Method for Indoor Human-Body Shadowing MIMO channels Kentaro Saito, Koshiro Kitao, Tetsuro Imai, Shunji Miura (DOCOMO) AP2011-154 |
[more] | AP2011-154 pp.47-52 |
| 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 |
| SR | 2011-07-28 15:05 |
Kanagawa | YRP | [Technology Exhibit]
Multiple Signal Identification Equipment Based on Cyclostationarity Hiroki Harada, Shunji Miura, Hidetoshi Kayama (NTT DOCOMO) SR2011-27 |
A cyclostationary feature detection is considered as one of major sensing techniques for a cognitive radio system due to... [more] | SR2011-27 pp.61-66 |
| AP, SAT (Joint) |
2011-07-15 13:00 |
Nagano | Fac. Eng., Shinshu Univ. | The Modeling Methods of time varying MIMO channels using Particle Filter Kentaro Saito, Koshiro Kitao, Tetsuro Imai, Yoshiki Okano, Shunji Miura (DOCOMO) AP2011-41 |
Ray-based channel models parameterized from measured data such as 3GPP Spatial Channel Model has been widely used as the... [more] | AP2011-41 pp.81-86 |
| SR | 2011-04-22 09:55 |
Shimane | Matsue Terrsa | Achievable Capacity of Cognitive Radio Systems Coexisting with a Macro Cellular System Hiromasa Fujii, Hiroki Harada, Shunji Miura, Hidetoshi Kayama (NTT DOCOMO) SR2011-9 |
[more] | SR2011-9 pp.53-58 |
| SR | 2011-04-22 10:20 |
Shimane | Matsue Terrsa | A Study on Spectrum Sharing between Systems Using 3D Area Model
-- Improvement of Evaluation Method and Comparison with a Method Based on 2DArea Model -- Hiroto Yasuda, Hiromasa Fujii, Shunji Miura, Hidetoshi Kayama (NTT DOCOMO) SR2011-10 |
In this paper, we propose a simulation method for system level evaluation based on 3-dimensional area model when an macr... [more] | SR2011-10 pp.59-64 |
| RCS, MoNA, SR (Joint) |
2011-03-02 13:40 |
Kanagawa | YRP | A Signal Recognition Technique based on Cyclostationarity and its Application to Cognitive Radio Systems Hiroki Harada, Hiromasa Fujii, Shunji Miura, Hidetoshi Kayama (NTT DOCOMO) SR2010-90 |
This paper introduces a signal recognition technique based on cyclostationarity and proposes its application to cognitiv... [more] | SR2010-90 pp.17-22 |
| SR | 2011-01-27 13:25 |
Fukuoka | Kyushu Institute of Technology | Experimental Evaluation of Cyclostationarity-Based Multiple Signal Identification Method by using Spatial Channel Emulator Hiroki Harada, Hiromasa Fujii, Shunji Miura, Hidetoshi Kayama, Yoshiki Okano, Tetsuro Imai (NTT DOCOMO) SR2010-70 |
The problem with conventional cyclostationarity-based feature detection is that the detection probability of weak sign... [more] |
SR2010-70 pp.7-12 |
| NS, RCS (Joint) |
2010-12-17 16:10 |
Okayama | Okayama Univ. | Interference Properties of OFDMA Systems under Spectrum Sharing Environment Yuichiro Fukuda, Shigeru Tomisato (Okayama Univ.), Hiromasa Fujii (NTT DOCOMO), Masaharu Hata (Okayama Univ.), Shunji Miura (NTT DOCOMO) RCS2010-198 |
This paper evaluates interference reduction effects by transmission power control (TPC) under spectrum sharing environme... [more] | RCS2010-198 pp.233-238 |
| AP, RCS (Joint) |
2010-11-12 09:55 |
Fukui | Fukui Univ. | The DoA estimation method using EM/SAGE algorithm and Extended MODE algorithms with array interpolation Kentaro Saito, Koshiro Kitao, Tetsuro Imai, Yoshiki Okano, Shunji Miura (NTT DOCOMO) AP2010-108 |
MIMO transmission technologies have been investigated and are expected to realize the wide-band and high-speed radio com... [more] | AP2010-108 pp.97-102 |
| 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 |
| AP | 2010-03-08 09:50 |
Saitama | Saitama University | The estimation of time-variant behavior of propagation parameters using the particle filter and modeling the dynamic MIMO channel Kentaro Saito, Koshiro Kitao, Yoshiki Okano, Tetsuro Imai, Shunji Miura (NTT DOCOMO) AP2009-206 |
[more] | AP2009-206 pp.7-12 |
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