Chikao NAGASAWA


Speed Enhancement Technique for Pulsed Laser Rangefinders Based on Lagrange's Theorem Using an Undersampling Method
Masahiro OHISHI Fumio OHTOMO Masaaki YABE Mitsuru KANOKOGI Takaaki SAITO Yasuaki SUZUKI Chikao NAGASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/08/01
Vol. E94-A  No. 8  pp. 1738-1746
Type of Manuscript:  PAPER
Category: Measurement Technology
Keyword: 
distance measurementpulsed laserrange finderundersamplingLagrange's theorem
 Summary | Full Text:PDF

Ray-Tracing Simulation of Path-Loss in Urban-Microcellular Environments under Road Traffic Conditions
Hiroyuki SHIMIZU Makoto ABO Chikao NAGASAWA Takehiko KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/01/01
Vol. E87-B  No. 1  pp. 195-199
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
ray-tracing simulationmobile radio propagationpath lossurbanLOSmicrocellRayleighroad traffic
 Summary | Full Text:PDF

Effects of Road Traffic on Probability Distributions of Path-Loss in an Urban Microcellular Environment
Hiroyuki SHIMIZU Hironari MASUI Masanori ISHII Kozo SAKAWA Takehiko KOBAYASHI Makoto ABO Chikao NAGASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7  pp. 1578-1584
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
path lossLOSmicrocellRayleighroad traffic
 Summary | Full Text:PDF