Abstract
Abstract This paper describes the analysis results of channel characteristics in the operating area of satellite OTM(On-The-Move) terminal. The communication channel between the Koreasat-5 and OTM terminal on a test car is measured and recorded from Daejeon to Daecheon, using the downlink frequency of around 20 GHz. And the measurement data are divided into two classes ; highway environment and national road environment, and then are statistically analyzed. The statistical evaluation of satellite channel is conducted by using probability density function and Markov model and then presents average connection duration(ACD), average fade dura-tion(AFD), and level crossing rate(LCR) of highway environment and national road environment. Finally the statistics data of the two environments are compared with each other.Key words: Satellite Communication Channel, On-The-Move, Average Connection Duration, Average Fade Duration, Level Cross- ing Rate @[#\]D^(Agency for Defense Development)*_`+\Z/ab\#(Department of Electronic Engineering, Chungbuk National University)Manuscript received October 8, 2013 ; Revised November 25, 2013 ; Accepted December 1, 2013. (ID No. 20131008-090)Corresponding Author: Kun-Sup Kwon (e-mail: kevin.kwon@add.re.kr)
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