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 |
SIP, IT, RCS |
2024-01-18 15:45 |
Miyagi |
(Primary: On-site, Secondary: Online) |
Performance Enhancement of Periodic Convolutional Spreading CDMA System over Fast Fading Channels Koseki Suda (UEC), Chenggao Han (Foxcom) IT2023-51 SIP2023-84 RCS2023-226 |
In this paper, we propose a method for improving the performance of CDMA systems using the Concatenative Complete Comple... [more] |
IT2023-51 SIP2023-84 RCS2023-226 pp.109-114 |
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] |
|
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] |
2023-07-21 10:00 |
Hokkaido |
Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
High-speed Fading Measurement of Millimeter-wave Broadband Signals Kazuki Tsushima (Waseda Univ.), Keizo Inagaki (NICT), Kunihisa Jitsuno, Arata Ogaki, Keisuke Miyano, Tetsuya Kawanishi (Waseda Univ.) EMT2023-38 MW2023-56 OPE2023-38 EST2023-38 MWPTHz2023-34 |
In wireless communications, fading is a propagation characteristic that degrades communication quality. Millimeter wave ... [more] |
EMT2023-38 MW2023-56 OPE2023-38 EST2023-38 MWPTHz2023-34 pp.151-154 |
AP, SANE, SAT (Joint) |
2023-07-13 09:50 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
OTA Experiments on the Angular Accuracy of a Circular DLMP Array Using the Mean Unit Vector Method Yuto Sekino, Kazuhiro Honda (Univ. of Toyama) AP2023-42 |
To ensure the success of upcoming car-to-car networks, we proposed a 4 × 4 multiple-input multiple-output (MIMO) antenna... [more] |
AP2023-42 pp.59-64 |
RCS, SR, SRW (Joint) |
2023-03-03 09:25 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Development of fading simulators based on the 3GPP map-based hybrid channel model and its basic study Hirokazu Yamakura, Yoto Emori, Koichi Seki, Yukiko Kishiki (KKE) RCS2022-282 |
Channel models up to 100 GHz have been reported, which are composed of both the general stochastic channel and the deter... [more] |
RCS2022-282 pp.190-195 |
RCS, AP, UWT (Joint) |
2022-11-17 10:20 |
Fukuoka |
Kyushu University, and Online (Primary: On-site, Secondary: Online) |
Theoretical analysis of 3D spatial autocorrelation characteristics of Nakagami-Rice fading in sky radio propagation Hikari Tsuhama (Tokyo Tech), Fuji Teruya (Tokyo Tech/Softbank) AP2022-166 |
It is expected to use mobile communication networks to control the flight of drones and transmit its captured video data... [more] |
AP2022-166 pp.109-114 |
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 |
AP |
2022-04-15 13:15 |
Yamagata |
Yamagata Syokuryo Kaikan (Primary: On-site, Secondary: Online) |
Development of Cluster Channel Model Evaluation System and Fast Fading Measurement Results Riku Takahashi, Hibiki Tsukada, Minseok Kim (Niigata Univ.) AP2022-7 |
Performance evaluation in developing new wireless communication systems usually requires a propagation channel model tha... [more] |
AP2022-7 pp.34-39 |
SIP, IT, RCS |
2021-01-21 09:25 |
Online |
Online |
Transmission Performance for Multiuser MIMO System Under the multi path fading and the Spatial Correlations Environment Shogo Maeda, Hideaki Matsue (SUS) IT2020-70 SIP2020-48 RCS2020-161 |
This paper analyzed transmission performances for multiuser-MIMO system according to the number of users and spatially c... [more] |
IT2020-70 SIP2020-48 RCS2020-161 pp.40-45 |
MW, AP (Joint) |
2020-09-24 13:50 |
Online |
Online |
[Poster Presentation]
Investigation of Fading Correlation Characteristics Considering Human Body Shadowing Takato Akiyama, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2020-53 |
It has become popular to use communication terminals such as mobile phones or PC in an indoor environment where human bo... [more] |
AP2020-53 pp.94-95 |
AP |
2017-10-20 13:00 |
Aomori |
Hchinohe-Shoukou-Kaikan |
[Tutorial Lecture]
OTA Assessment for Next Generation Mobile Communication Terminals Kazuhiro Honda (Toyama Univ.) AP2017-103 |
This paper describes a fading emulator OTA (Over-the-Air) testing apparatus and its measurement method for next generati... [more] |
AP2017-103 pp.45-50 |
AP |
2016-02-19 10:55 |
Fukushima |
Iwaki (Spa Resort Hawaiians) |
A Method of Realizing Gaussian Angular Power Spectra in Elevation Using a Three-Dimensional Fading Emulator Kazuhiro Honda, Toshihiko Kabeya, Kento Karitani, Kun Li, Koichi Ogawa (Toyama Univ.), Yoshio Koyanagi, Hiroshi Sato, Ritsu Miura (Panasonic) AP2015-197 |
This paper presents a method of realizing a Gaussian propagation environment in the elevation direction using a 3D fadin... [more] |
AP2015-197 pp.37-42 |
SIS |
2015-12-04 09:50 |
Fukui |
Matsuya-sensen (Awara city, Fukui) |
An Evaluation of High Quality Synchronization Method Based on Delayed and Symmetric Correlation in MIMO-OFDM Sukeyuki Iwata, Masahito Umehara, Takashi Imagawa, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.) SIS2015-42 |
In this paper, we propose a highly accurate ODFM symbol timing synchronization method using cross–correlation in a... [more] |
SIS2015-42 pp.73-76 |
AP, SANE (Joint) |
2015-08-28 13:45 |
Ibaraki |
Ibaragi Univ. Mito Campus |
Analysis of Shadow Fading in Mobile Radio
-- Autocorrelation Mechanism of Received Level Variation approximated with Exponential Function -- Teruya Fujii, Hideki Omote (Softbank) AP2015-74 |
The propagation variation in mobile radio can divide into three independent variations; instantaneous fading (Rayleigh f... [more] |
AP2015-74 pp.77-82 |
AP |
2015-06-11 15:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Fast Fading Characteristics for Microwave to Millimeter-wave Band in Street Microcell Environments Minoru Inomata, Wataru Yamada, Motoharu Sasaki, Takeshi Onizawa (NTT), Koshiro Kitao, Tetsuro Imai (NTT DOCOMO) AP2015-38 |
The fast fading characteristics for microwave to millimeter wave band in street microcell environments are analyzed base... [more] |
AP2015-38 pp.35-40 |
WBS, ITS (Joint) |
2014-12-19 11:10 |
Kumamoto |
Kumamoto University |
Pulse Duty Factor and Transmission Power Evaluation of Direct Sequence Spread Spectrum Communication System for Body Area Network Masayuki Sakata, Tetsushi Ikegami (Meiji Univ.) WBS2014-52 |
This paper presents the pulse duty factor and transmission power evaluation of direct sequence spread spectrum UWB commu... [more] |
WBS2014-52 pp.71-75 |
RCC, ASN, NS, RCS, SR (Joint) |
2014-07-30 15:45 |
Kyoto |
Kyoto Terrsa |
Development of Simplified MIMO Fading Emulator and Its Applications [II] Katsuhiro Nakada, Rikako Kotani, Yoshio Karasawa (UEC) SR2014-20 |
OTA(Over-the-Air) measurement, which generates multipath-rich propagation environment around a DUT(Device Under Test), i... [more] |
SR2014-20 pp.1-6 |
AP, SAT (Joint) |
2014-07-25 14:10 |
Gifu |
Gero Citizen Hall |
Study of propagation channel Fading prediction algorithm Wataru Yamada, Motoharu Sasaki, Takatoshi Sugiyama (NTT), Oliver Holland, Hamid Aghvami (KCL) AP2014-67 SAT2014-20 |
Propagation channel fading prediction algorithms which are AR Models composed by 1st and 2nd order differential model wi... [more] |
AP2014-67 SAT2014-20 pp.109-114(AP), pp.47-52(SAT) |