Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2024-03-14 11:00 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Tutorial Lecture]
Short-range radio propagation characteristics evaluation technology in the 300-GHz band Akihiko Hirata (CIT) AP2023-203 |
Research and development of terahertz wireless communication using from 0.1 THz to 10 THz radio waves is underway as a m... [more] |
AP2023-203 pp.11-16 |
AP, RCS (Joint) |
2023-11-17 13:00 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Relationship between size and reflected power of metal flat reflectors for indoor communications in the 300 GHz band Makoto Ohashi, Keizo Cho, Akihiko Hirata (CIT) AP2023-150 RCS2023-173 |
Large-capacity and ultrahigh-speed communications using millimeter wave and terahertz wave bands are attracting attentio... [more] |
AP2023-150 RCS2023-173 pp.104-109(AP), pp.107-112(RCS) |
MW, AP (Joint) |
2023-09-29 09:40 |
Kochi |
Kochi Castle Museum of History (Primary: On-site, Secondary: Online) |
Measurement of Reflection Characteristics of 300 GHz Sub-THz Wave Considering Polarization in Indoor Environment Keizo Cho, Makoto Ohashi, Yuma Tanaka, Akihiko Hirata (Chiba Inst. of Tech) AP2023-82 |
[more] |
AP2023-82 pp.22-26 |
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] |
2023-07-20 10:35 |
Hokkaido |
Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
MIMO Communication for Pipe Inspection Robot Using Microwave Propagating along PVC Pipe Wall Masafumi Suzuki, Akihiko Hirata (CIT), Hiroshi Murata (Mie Univ.), Masato Mizukami (Muroran IT) EMT2023-25 MW2023-43 OPE2023-25 EST2023-25 MWPTHz2023-21 |
Recently, inspection by robots has been attracting attention as an efficient inspection method for buried pipes such as ... [more] |
EMT2023-25 MW2023-43 OPE2023-25 EST2023-25 MWPTHz2023-21 pp.88-93 |
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] |
2023-07-21 09:35 |
Hokkaido |
Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
120-GHz-band Close Proximity Wireless Communication Using Dielectric Substrate Tomohiro Kumaki, Akihiko Hirata (CIT), Osamu Kagaya (AGC) EMT2023-37 MW2023-55 OPE2023-37 EST2023-37 MWPTHz2023-33 |
This study examines 120-GHz-band ultrahigh-speed sheet LAN communications that enable stable network connections simply ... [more] |
EMT2023-37 MW2023-55 OPE2023-37 EST2023-37 MWPTHz2023-33 pp.147-150 |
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] |
2023-07-21 13:00 |
Hokkaido |
Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
Evaluation of Availability of 300-GHz-Band Wireless Fronthaul deployed by tree topology during Torrential Rain Shiichiro Furukawa, Akihiko Hirata (CIT) EMT2023-42 MW2023-60 OPE2023-42 EST2023-42 MWPTHz2023-38 |
In this study, we investigated the availability of 300-GHz-band fronthaul during torrential rain by simulation. We divid... [more] |
EMT2023-42 MW2023-60 OPE2023-42 EST2023-42 MWPTHz2023-38 pp.169-172 |
AP |
2023-03-16 14:10 |
Toyama |
Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
A Study of Multipath Angular Characteristics near Human Body in 300 GHz Band Koya Imaseki, Yuito Usui, Hiroaki Nakabayashi, Akihiko Hirata (Chiba Inst. of Tech.) AP2022-237 |
In recent years, the application of radio over terahertz technology, which relays millimeter-wave communications in a te... [more] |
AP2022-237 pp.19-24 |
EMD, R, LQE, OPE, CPM |
2022-08-25 15:35 |
Chiba |
(Primary: On-site, Secondary: Online) |
A communication method between the compact pipe travelling robot using microwave guided-modes propagating along a pipe-Wall Masato Mizukami (Muroran Inst. Tech.), Hiroshi Murata (Mie Univ.), Akihiko Hirata (Chiba Inst. Tech.) R2022-20 EMD2022-8 CPM2022-25 OPE2022-51 LQE2022-14 |
In recent years, infrastructure facilities have been noticeably deteriorating and need to be inspected effectively. Many... [more] |
R2022-20 EMD2022-8 CPM2022-25 OPE2022-51 LQE2022-14 pp.21-26 |
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] |
2022-07-19 16:35 |
Hokkaido |
Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
Transmission of 120GHz-band RF Signal by Contacting Another Dielectric Sheet Akihiko Hirata, Masaki Ushio (CIT), Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) EMT2022-30 MW2022-54 OPE2022-33 EST2022-31 MWPTHz2022-28 |
Currently, sheet LAN, which enables LAN connection simply by placing a terminal on a dielectric sheet that transmits ter... [more] |
EMT2022-30 MW2022-54 OPE2022-33 EST2022-31 MWPTHz2022-28 pp.109-112 |
SRW |
2022-06-20 15:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Study of Propagation Characteristics of Radio Waves for Use Cases in 300 GHz Band Wireless Link Akihiko Hirata (CIT) SRW2022-7 |
In Beyond 5G, the next generation of mobile communications, the use of 300 GHz band wireless links, which can achieve da... [more] |
SRW2022-7 pp.20-24 |
AP, SANE, SAT (Joint) |
2021-07-30 14:05 |
Online |
Online |
[Invited Lecture]
Propagation study of 300 GHz band front hall wireless link for Beyond 5G AKihiko Hirata (CIT), Katsumi Fujii, Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) AP2021-44 |
Recently, research and development of Beyond 5G mobile network systems has been activated. In Beyond 5G mobile network s... [more] |
AP2021-44 pp.115-119 |
OPE, MW, IEE-EMT, MWP, EST, EMT, THz [detail] |
2021-07-15 16:00 |
Online |
Online |
Dependence of Alignment on the transmission control of 120-GHz-band SRR bandstop filter by contacting Lattice Pattern Akihiko Hirata (CIT), Issei Wanatabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) EMT2021-16 MW2021-21 OPE2021-10 EST2021-17 MWP2021-18 |
Terahertz (THz)-band close-proximity wireless link can achieve instantaneous transfer of large amounts of data, however,... [more] |
EMT2021-16 MW2021-21 OPE2021-10 EST2021-17 MWP2021-18 pp.50-53 |
MWP |
2021-05-26 15:10 |
Online |
Online |
Complex dielectric constant measurement of glass at 200-500 GHz by THz-TDS and VNA Akihiko Hirata, Koji Suizu (CIT), Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) MWP2021-3 |
(To be available after the conference date) [more] |
MWP2021-3 pp.10-13 |
SRW |
2020-08-25 13:50 |
Online |
Online |
[Invited Talk]
Evaluation of Antenna and Propagation Models for beyond 5G System Akihiko Hirata (CIT), Shintaro Hisatake (Gifu Univ.), Tetsuya Kawanishi (Waseda Univ.) SRW2020-23 |
[more] |
SRW2020-23 pp.67-70 |
EMT, MW, OPE, EST, MWP, THz, IEE-EMT [detail] |
2020-07-17 13:50 |
Online |
Online |
Improvement of Detection in Concrete Surface Cracks Covered with Paper by Using 77-GHz-Band Millimeter-Wave Akihiko Hirata, Makoto Nakasizuka, Koji Suizu (CIT), Yoshikazu Sudo (Ais Eng.) EMT2020-23 MW2020-32 OPE2020-18 EST2020-23 MWP2020-23 |
[more] |
EMT2020-23 MW2020-32 OPE2020-18 EST2020-23 MWP2020-23 pp.95-100 |
MWP |
2020-05-28 15:55 |
Online |
Online |
Transmission control of 120-GHz-band SRR bandstop filter Akihiko Hirata, Koichiro Itakura (CIT), Takashi Tomura, Jiro Hirokawa (TITECH), Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) MWP2020-5 |
[more] |
MWP2020-5 pp.23-26 |
MWP |
2019-11-27 13:55 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Measurement of 4 x 4 planar slot array antenna near-field pattern Akihiko Hirata (CIT), Yusuke Tanaka, Shintaro Hisatake (Gifu Univ.), Jiro Hirokawa (TITEC), Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) MWP2019-43 |
[more] |
MWP2019-43 pp.5-8 |
AP, RCS (Joint) |
2019-11-20 14:40 |
Saga |
Saga Univ. |
Mutual Coupling Suppression and Improvement of the Near-Field Transmission by using a Substrate Layer in a Corporate-feed Waveguide Slot Array Antenna Kentaro Wada, Takashi Tomura, Jiro Hirokawa (Tokyo Tech.), Akihiko Hirata (CIT) AP2019-113 |
[more] |
AP2019-113 pp.41-45 |
MWP |
2018-11-26 14:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Proximity wireless data transmission characteristics using planar slot array antenna Akihiko Hirata (CIT), Jiro Hirokawa (Tokyo Tech), Masato Sonoda, Taiki Higashimoto, Tsubasa Kurokwa, Tadao Nagatsuma (Osaka Univ.) MWP2018-45 |
[more] |
MWP2018-45 pp.9-12 |
MW |
2016-01-14 16:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Beam steering of 120-GHz-band planar slot array antenna Akihiko Hirata, Jun Takeuchi (NTT), Jiro Hirokawa (Tokyo Tech.) MW2015-164 |
In this report, we report on the examination results of the beam scanning using the 120-GHz-band planar slot array anten... [more] |
MW2015-164 pp.27-30 |