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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 67  /  [Next]  
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)
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