Research

Research Interests

1.   Diode Laser Based Water Vapor Differential Absorption Lidar.

2.   Ionospheric effects on Global Positioning System (GPS) communications.

3.   Software Defined Radio based on GNU Radio Framework.

Research Projects

4.   Development of next-generation field deployable water vapor lidar for predicting local heavy rain, sponsored by JSPS KAKENHI Grant Number 26282115 (2014-2016).

3.   Ionospheric Observation and GPS Monitoring in Thailand, sponsored by National Information and Communication Technology (NICT), Japan (2010-2012).

2.   Spectrum Sensing of Cognitive Radio, undergraduate project (2010). 

1.   Design of a smart key based on ATtiny 13 AVR microcontroller, undergraduate project (2009).

Publications

14.  Tetsu Sakai, Makoto Abo, Phong Pham Le Hoai, Osamu Uchino, Tomohiro Nagai, Toshiharu Izumi, Isamu Morino, Chikao Nagasawa, “ Development of ground­based lidars for measuring H2O and O3 profiles in the troposphere,” 2015 AGU Fall Meeting, San Francisco, USA, Dec. 14-18, 2015.

13.  Phong Pham Le Hoai, Makoto Abo, Tetsu Sakai, “ Field-deployable diode-laser-based water vapor DIAL with modulated pulse technique: preliminary results,” The 33rd Japanese Laser Sensing Symposium, Tokyo, Japan, Sep. 10-11, 2015.

12.  Tatsuya Kikuta, Pham Le Hoai Phong, Makoto Abo, “Study on horizontal scan observation by water vapor DIAL for the local heavy rain forecast,” The 33rd Japanese Laser Sensing Symposium, Tokyo, Japan, Sep. 10-11, 2015.

11.  Phong Pham Le Hoai, Makoto Abo, Tetsu Sakai, “ Development of field deployable diode laser based water vapor DIAL,” 27th International Laser Radar Conference, New York, USA, July 5-10, 2015.--download--

10.  Makoto Abo, Phong Pham Le Hoai, Kouki Aruga, Chikao Nagasawa, Yasukuni Shibata, “ High spectral resolution Lidar based on a potassium Faraday dispersive filter for daytime temperature measurement,” 27th International Laser Radar Conference, New York, USA, July 5-10, 2015.--download--

9.   Makoto Abo, Tatsuya Kikuta, Kouki Aruga, Pham Le Hoai Phong, " Lidar development for hyper-dense remote observation of urban atmosphere," Japan Geoscience Union Meeting 2015, May 24-28, 2015.--link--

8.   Phong Le Hoai Pham, Makoto Abo, " Diode laser based water vapor DIAL using modulated pulse technique ," SPIE Asia Pacific Remote Sensing, Beijing, China, Oct. 13 - 16, 2014. --link----download--

7.   Makoto Abo, Takahiro Ishikawa, Phong L. Pham, Chikao Nagasawa, Yasukuni Shibata, " High spectral resolution lidar with a potassium Faraday dispersive filter for daytime temperature measurement," SPIE Asia Pacific Remote Sensing, Beijing, China, Oct. 13 - 16, 2014.

6.   Phong Pham Le Hoai, Makoto Abo, ” Modulated laser pulse based Water vapor DIAL," The 32nd Japanese Laser Sensing Symposium, Takayama, Japan, Sep. 4-5, 2014. --link----download--

5.   Phong Pham Le Hoai, Makoto Abo, ” Diode Laser Based Water Vapor Differential Absorption Lidar: an Advanced Wavelength Selection ,” The 31st Japanese Laser Sensing Symposium, Hakone, Japan, Sep. 12-13, 2013. --link----download--

4.   Phong Pham Le Hoai, P. Supnithi, T. Tsujii, ” Ionospheric Scintillation Monitoring using software GPS receiver at Chumphon station, Thailand,” The 27th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2012), Sapporo, Japan, July 15-18, 2012. (Best Paper Award)  --download--

3.   P.L.H. Phong, P. Supnithi, T. Tsujii, ” Ionospheric Scintillation Monitoring using software GPS receiver at Chumphon station, Thailand,” The first AOSWA (Asia-Oceania Space Weather Alliance) Workshop, Chiang Mai, Thailand, Feb. 22-24, 2012.--link--

2.   K. Watthanasangmechai, P.P.L. Hoai, and P. Supnithi,” TEC modeling based improved neural network over Chumphon,” International Reference Ionosphere (IRI) 2011 Workshop, Hermanus, South Africa, Oct. 10-14, 2011. 

1.   P.L.H. Phong, S. Rungraengwajiake, and P. Supnithi, “ Loss-of-Lock Statistics from the GPS Receiver Near Suvarnabhumi Airport, Thailand,” 2011 IEEE International Conference on Space Science and Communication (IconSpace), July 12-13, 2011, Penang, Malaysia. --link-- --download--

Master's Thesis

      “SCINTILLATION EFFECTS ON GPS SIGNAL AND TEC MODEL BASED ON NEURAL NETWORK” --download--  

under the supervision of Assoc. Prof. Dr. Pornchai Supnithi  

Bachelor's Thesis

 “SPECTRUM SENSING OF COGNITIVE RADIO” --download--

under the supervision of Assoc. Prof. Dr. Hoang Dinh Chien