Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SDM, ICD, ITE-IST [detail] |
2023-08-03 11:35 |
Hokkaido |
Hokkaido Univ. Multimedia Education Bldg. 3F (Primary: On-site, Secondary: Online) |
A method for analyzing chlorophyll-a concentration in the seawater surface layer by image hue analysis. Shunya Kosako, Toshihiko Hamasaki (HIT) |
[more] |
|
SRW, SeMI, CNR (Joint) |
2020-11-26 11:50 |
Online |
Online |
Wireless Sensor Networks Construction Support Application
-- Estimation of RSSI prediction model formula -- Etsushi Oda, Koki Kawauchi, Toshihiko Hamasaki (HIT) SeMI2020-18 |
We developed an application system to determine the location of relay nodes in a mesh-type wireless sensor network of 2.... [more] |
SeMI2020-18 pp.13-16 |
CQ |
2020-09-03 10:55 |
Osaka |
Osaka University Nakanoshima Center (Primary: On-site, Secondary: Online) |
Wireless Sensor Networks Construction Support Application
-- Optimal Relay Node Installation -- Etsushi Oda, Koki Kawauchi, Toshihiko Hamasaki (HIT) CQ2020-35 |
We developed an application system to determine the location of relay nodes in a mesh-type wireless sensor network of 2.... [more] |
CQ2020-35 pp.7-8 |
MW (2nd) |
2020-05-13 - 2020-05-15 |
Overseas |
CU, Bangkok, Thailand (Postponed) |
Research on Wireless Sensor Network Construction
-- Static Placement of Relay Node Positions -- Etsushi Oda, Koki Kawauchi, Yoshitaka Yamaoka, Toshihiko Hamasaki (Hiroshima Inst.Tech.) |
In this paper, we developed a system to determine the location of WSN (Wireless Sensor Network) relay nodes for agricult... [more] |
|
MW (2nd) |
2019-06-26 - 2019-06-28 |
Overseas |
RUS, Bangkok, Thailand |
2.4GHz and 920MHz RF Propagation in the Grain Filling Stage of Paddy Field Yoshitaka Yamaoka, Daisuke Kuramoto, Toshihiko Hamasaki (HIT) |
This paper describes the detailed RF propagation measurements and modeling in a Japonica paddy field of grain filling st... [more] |
|
MW (2nd) |
2016-06-09 - 2016-06-11 |
Overseas |
KMUTNB, Bangkok, Thailand |
Radio Wave Propagation Loss Model in forest for Low Energy WSN Tatsuki Tokunou, Ryohei Yamane, Toshihiko Hamasaki (HIT) |
In recent years, as one of the environmental monitoring in a forest, low-energy WSN system is demanded. The network form... [more] |
|
ICD, MW |
2016-03-03 16:20 |
Hiroshima |
Hiroshima University |
Study of Propagation Loss Prediction in Near Earth Forest Environment Ryohei Yamane, Tatsuki Tokunou, Toshihiko Hamasaki (HIT) MW2015-200 ICD2015-123 |
Wireless Sensor Network (WSN) is a key end point sub-system of IoT. Applications of WSN are wide variety, and an environ... [more] |
MW2015-200 ICD2015-123 pp.151-156 |
ICD, MW |
2016-03-03 16:45 |
Hiroshima |
Hiroshima University |
Proposal of handy measurement method the directivity in pattern antenna Tatsuki Tokunou, Ryohei Yamane, Toshihiko Hamasaki (HIT) MW2015-201 ICD2015-124 |
Recently, WSN has been attracting a global attention in the field of environmental monitoring for many industries. Since... [more] |
MW2015-201 ICD2015-124 pp.157-162 |
MW (2nd) |
2015-08-06 - 2015-08-08 |
Overseas |
Chulalongkorn Univ., Bangkok, Thailand |
[Poster Presentation]
Study of Radio Wave Propagation for low-power Autonomous WSN
-- Attenuation and Fading Modeling by Measurements -- Ryohei Yamane, Tatsuki Tokunou, Toshihiko Hamasaki (HIT) |
In recent years, a short-range autonomous wireless sensor network has been employed for various fields of environment mo... [more] |
|
MW (2nd) |
2014-11-26 - 2014-11-28 |
Overseas |
King Mongkut's Institute of Technology Ladkrabang (KMITL), Bangkok |
[Poster Presentation]
Study of wave propagation in short-range autonomous wireless sensor network Ryohei Yamane, Yusuke Aritome, Toshihiko Hamasaki (HIT) |
This paper reports study of RF (2.4GHz) wave propagation and it's modeling concept for short-range distance (<100meters... [more] |
|
MW (2nd) |
2014-11-26 - 2014-11-28 |
Overseas |
King Mongkut's Institute of Technology Ladkrabang (KMITL), Bangkok |
[Poster Presentation]
Proposal of a computer aided wireless network design tool Tatsuya Kagawa, Yusuke Aritome, Toshihiko Hamasaki (HIT) |
This paper shows the prototype of computer aided network design tool for an autonomous wireless sensor system. In order... [more] |
|
ASN |
2014-05-29 14:30 |
Tokyo |
Convention Hall, RCAST, The University of Tokyo |
[Poster Presentation]
Study on the diffraction of WPAN in building Yusuke Aritome, Tatsuya Kagawa, Toshihiko Hamasaki (Hiroshima Inst. of Tech.) ASN2014-10 |
An autonomous sensor is expected to be a key device for the M2M wireless sensor network with node-distance of 10~100m, w... [more] |
ASN2014-10 pp.37-40 |
ICD, ITE-IST |
2013-07-04 17:10 |
Hokkaido |
San Refre Hakodate |
[Panel Discussion]
Extending analog-interface function increasingly for micro computer Toshihiko Hamasaki (HIT), Yoshihisa Homma (Panasonic), Hideaki Ishihara (Denso), Yoshihide Iwata (TIJ), Masanori Hayashikoshi (Renesas), Mitsuhiko Noda (Lapis), Yoshiyasu Doi (Fujitsu Lab.) ICD2013-33 |
(To be available after the conference date) [more] |
ICD2013-33 p.49 |
MW |
2013-03-08 13:00 |
Hiroshima |
Hiroshima Univ. |
[Invited Talk]
Autonomous Wireless Sensor Network
-- Cluster Network Formation -- Toshihiko Hamasaki (Hiroshima Inst. of Tech.) MW2012-186 |
This paper presents the design concepts of wireless sensor network system constructed with autonomous sensing nodes, whi... [more] |
MW2012-186 pp.149-152 |
ICD, ITE-IST |
2008-10-23 15:00 |
Hokkaido |
Hokkaido University |
[Invited Talk]
Direction for High Performance Analog Circuit Integration Toshihiko Hamasaki (Texas Instruments) ICD2008-77 |
Abstract Advanced CMOS technology beyond 90nm is leading power reduction trend in analog digital mixed signal circuitry... [more] |
ICD2008-77 pp.107-112 |
ICD, ITE-IST |
2008-10-23 16:05 |
Hokkaido |
Hokkaido University |
[Panel Discussion]
Challenges and Future of Analog Circuit Design using Sub-100nm CMOS Devices Shoji Kawahito (Shizuoka Univ.), Shigetoshi Sugawa (Tohoku Univ.), Tatsuya Ohguro (Toshiba), Hidetoshi Onodera (Kyoto Univ.), Kunihiko Goto (Fujitsu Labs.), Toshihiko Hamasaki (TI), Shiro Dosho (Panasonic) |
[more] |
|
ICD |
2006-05-26 10:30 |
Hyogo |
Kobe University |
A Digital Input Controller for Audio Class-D Amplifiers with 100W 0.004% THD+N and 113dB DR Toru Ido, Sonny Ishizuka (TIJ), Lars Risbo (TIDK), Fumitaka Aoyagi, Toshihiko Hamasaki (TIJ) |
[more] |
ICD2006-30 pp.49-54 |
IE, SIP, ICD, IPSJ-SLDM |
2004-10-22 14:15 |
Yamagata |
|
A class-D amplifier using a spectrum shaping technique Akira Yasuda (Hosei Univ.), Takashi Kimura, Koichiro Ochiai, Toshihiko Hamasaki (TI Japan) |
In this paper, we propose a new class-D amplifier with a lower-frequency reference signal by using a spectrum shap-ing t... [more] |
SIP2004-98 ICD2004-130 IE2004-74 pp.55-60 |