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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 15 of 15  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW
(2nd)
2020-05-13
- 2020-05-15
Overseas CU, Bangkok, Thailand 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
 Results 1 - 15 of 15  /   
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