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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2024-03-15 13:00 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
A Study on K-factor estimation accuracy using momentum method for designing narrowband IoT communication system DR-IoT Naoki Ikeda, Motonari Imai, Takato Ikegame, Tetsushi Ikegami (Meiji Univ.), Susumu Ishihara (Shizuoka Univ.), Arata Kato, Syugo Kajita (スペースタイムエンジニアリング), Hiroshi Yamamoto (Ritsumeikan Univ.), Mineo Takai (Osaka Univ.)  AP2023-215 |
A versatile variable-range IoT communication system using the VHF-high band， Diversified-Range IoT (DR-IoT)is being cons... [more] | AP2023-215 pp.80-84 |
| AP | 2024-02-16 10:00 |
Mie | Sinfonia Technology Hibiki Hall Ise (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Consideration of Equivalence between Omuni and Direction Antennain in mm-Waves Radio Environment Measurements Toshiki Hozen, Ryo Yamaguchi, Kazuma Tomimoto, Tomonori Ikeda (Softbank) AP2023-193 |
Omnidirectional antennas are frequently used in the propagation evaluation of radio environments, but their use in the m... [more] | AP2023-193 pp.34-38 |
| MIKA (3rd) |
2023-10-11 14:30 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Field experiment on mobile radio propagation characteristics in the VHF-High band
-- Path loss and Fading characteristics -- Naoki Ikeda, Motonari Imai, Takato Ikegame, Tetsushi Ikegami (Meiji Univ.), Susumu Ishihara (Shizuoka Univ.), Hiroshi Yamamoto (Ritumeikan Univ.), Arata Kato, Syugo Kajita, Mineo Takai (STE) |
In the VHF-High band (207.5 MHz to 222 MHz), the DR-IoT (Diversified-Range/Disaster-Response IoT), a quasi-narrow-band w... [more] | |
| MICT, WBS | 2022-07-25 10:55 |
Okayama | Okayama Prefectural University | [Poster Presentation]
Consideration of Fading Characteristics on Field Propagation Measurements of 920MHz band and 220MHz band Naoki Ikeda, Motonari Imai, Takato Ikegame, Tetsushi Ikegami (Meiji Univ.) WBS2022-24 MICT2022-24 |
In recent years, damages caused by natural disasters have become a social problem. We are studying a Disaster Response I... [more] | WBS2022-24 MICT2022-24 pp.41-46 |
| RCS | 2021-06-25 14:00 |
Online | Online | A Theoretical Study on Suboptimal Joint Transmit-Receive Diversity In Correlated Rayleigh Fading Channels Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-73 |
Joint transmit-receive diversity (JTRD) jointly optimizes transmitter and receiver diversity weight vectors to maximize ... [more] | RCS2021-73 pp.255-260 |
| IT | 2020-12-03 14:20 |
Online | Online | Outage Probabilities of Three-Node Bidirectional Relay Systems with Finite Block-Length Transmission over Rayleigh Fading Channels Masaya Kambara, Tomotaka Kimura, Jun Cheng (Doshisha Univ.) IT2020-56 |
Outage probabilities of three-node bidirectional relaying systems over quasi-state Rayleigh channels with finite-blockle... [more] | IT2020-56 pp.171-176 |
| AP | 2020-02-21 11:25 |
Shizuoka | Shizuoka Univ. Hamamatsu Campus | Random Walk and Wave Propagation Yoshio Karasawa AP2019-190 |
While doing a random walk, we visit some basic probability distributions that appear in radio wave propagation models. R... [more] | AP2019-190 pp.53-57 |
| SR | 2018-10-30 10:30 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Poster Presentation]
Uplink Non-Orthogonal Multiple Access with Single-Carrier Frequency Domain Equalization Kenta Mayama, Kohei Akimoto, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2018-63 |
In this paper, we investigate the link-level performances in an uplink non-orthogonal multiple access (NOMA) with single... [more] | SR2018-63 pp.11-12 |
| RCS | 2014-06-17 09:40 |
Okinawa | Okinawa-ken Seinenkaikan (Naha) | Transmission Performance of QZSS Short Message Communication SS-CDMA in Rayleigh Fadaing Environment Kohei Akimoto, Yuji Miyake, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2014-37 |
Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way commu... [more] | RCS2014-37 pp.31-36 |
| NS, IN (Joint) |
2013-03-08 15:50 |
Okinawa | Okinawa Zanpamisaki Royal Hotel | Effect of interference estimation methods on performance of IEEE 802.16j relay networks Ryosuke Mine, Go Hasegawa, Yoshiaki Taniguchi, Hirotaka Nakano (Osaka Univ.) NS2012-224 |
On time slot assignment in IEEE 802.16j multi-hop relay networks, the interference relationships among links are often e... [more] | NS2012-224 pp.343-348 |
| RCS, SR, SRW (Joint) |
2013-02-27 13:40 |
Tokyo | Waseda Univ. | Channel Capacity of Distributed MIMO systems with Spatially Correlated Shadowing Ou Zhao, Hidekazu Murata, Susumu Yoshida (Kyoto Univ.) RCS2012-294 |
In order to demonstrate the channel capacity improvement by MIMO transmission techniques in distributed antenna systems ... [more] | RCS2012-294 pp.61-66 |
| AP (2nd) |
2012-12-21 14:15 |
Okinawa | KDDI Naha Building 6F | Numerical Estimation of E-field Uniformity in a Reverberation Chamber Using a Simple Multipath Model Katsushige Harima (NICT) |
A simple numerical technique for estimation of the maximum E-field uniformity in a reverberation chamber is presented. T... [more] | |
| SR, AN, USN, RCS (Joint) |
2012-10-18 09:50 |
Fukuoka | Fukuoka univ. | Channel Capacity of Distributed MIMO Systems under the Effect of Spatially Correlated Shadowing Ou Zhao, Hidekazu Murata, Susumu Yoshida (Kyoto Univ.) RCS2012-137 SR2012-57 AN2012-31 USN2012-34 |
In order to demonstrate the channel capacity improvement by MIMO transmission techniques in distributed antenna systems ... [more] | RCS2012-137 SR2012-57 AN2012-31 USN2012-34 pp.75-80(RCS), pp.133-138(SR), pp.45-50(AN), pp.39-44(USN) |
| IT | 2012-09-28 14:00 |
Gunma | Kusatsu Seminar House | LLR Calculation for Iterative Decoding on Rayleigh Fading Channels using Pade Approximation Gou Hosoya, Mikio Hasegawa, Hiroyuki Yashima (Tokyo Univ. of Science) IT2012-43 |
In this paper, approximate calculation of channel log likelihood ratio (LLR) for wireless channels using Pad\'{e} approx... [more] | IT2012-43 pp.69-74 |
| MoNA, CQ (Joint) |
2012-09-28 09:00 |
Kagawa | Kagawa pref. Takamatsu-city | Performance evaluation of time slot assignment algorithms with various radio interference models in IEEE 802.16j relay networks Ryosuke Mine, Go Hasegawa, Yoshiaki Taniguchi, Hirotaka Nakano (Osaka Univ.) CQ2012-48 |
Time slot assignment algorithms in IEEE 802.16j multi-hop relay networks often assume simple radio interference models b... [more] | CQ2012-48 pp.37-42 |
| SIS | 2010-03-05 14:10 |
Kanagawa | Kanagawa Institute of Technology | An OFDM Technique with Pilot Sequence in Transmission Symbols Hiroyuki Yamano, Shoichiro Yamasaki (Polytechnic Univ) SIS2009-73 |
At the OFDM(Orthogonal Frequency Division Multiplexing) transmitter, by using the $M$ samples of input block as the cont... [more] | SIS2009-73 pp.135-140 |
| IT | 2010-01-08 09:40 |
Overseas | Univ. of Hawaii | Theoretical Analysis of Collaborative Multi-Hop Transmission over Block Rayleigh Fading Channels Naoki Nishimura, Koji Ishibashi, Tadahiro Wada (Shizuoka Univ.) IT2009-60 |
If sensor nodes cannot support multiple antennas due to size or power consumption, the use of collaborative (or cooperat... [more] | IT2009-60 pp.47-52 |
| SR | 2009-07-30 11:45 |
Tokyo | Tokyo institute of technology | Transmission Schemes of Cognitive Radio System with Power Control over Rayleigh Fading Chen Sun, Yohannes D. Alemseged, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2009-43 |
This paper addresses the transmission schemes of cognitive radio system (CRS) with power control. An adaptive power cont... [more] | SR2009-43 pp.131-138 |
| NS, RCS (Joint) |
2009-07-16 11:00 |
Hokkaido | Hokkaido University (Hokkaido) | Cooperative Diversity Can Mitigate Keyhole Effects in Wireless MIMO Systems Oussama Souihli, Tomoaki Ohtsuki (Keio Univ.) RCS2009-53 |
A MIMO keyhole is a propagation environment such that the channel gain matrix has unit rank (single degree of freedom), ... [more] | RCS2009-53 pp.1-6 |
| RCS | 2009-06-26 15:35 |
Aichi | Nagoya University | A novel QoS-Aware Joint Feedback and Scheduling Scheme for Multiuser MIMO Systems Oussama Souihli, Tomoaki Ohtsuki (Keio Univ.) RCS2009-52 |
This report considers the problem of scheduling, in Closed-Loop Multiuser MIMO systems, a large set of users with differ... [more] | RCS2009-52 pp.137-142 |
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