Umaba Takayuki

Practical Methodology of Secret Key Agreement System Using Variable Directional Antenna

Aikawa Satoru, Ueba Masazumi, Sasaoka Hideichi, 2009 .

Experimental Study on Efficiency of EER Transmitter Using Envelope PWM

Taromaru Makoto, Inagaki Keizo, Umaba Takayuki, 2009 .

Investigation of Radio Propagation in Narrow Space in ICT Equipments

Kitazawa Shoichi, Ueba Masazumi, Ohira Masataka, 2010 .

Modeling and Verification of Secret Key Agreement System Using Variable Directional Antenna

Aikawa Satoru, Ueba Masazumi, Sasaoka Hideichi, 2009 .