This paper proposes the UTC (KRIS) based clock synchronization of the pseudolite. And FIR and PLL based clock synchronization algorithms using typical synchronization method are introduced. The software based simulation platform is designed for synchronization performance analysis as clock synchronization algorithms and clock source of psuedolite. The simulation platform consists of clock generator, clock synchronizer and performance evaluator. The clock generator provides the reference clock of UTC (KRIS) and pseudolite clock of OCXO, TCXO, Rb, Sc these are based in theoretical model. The clock synchronizer performs FIR and PLL based synchronization algorithms between reference clock and pseudolite clock as pseudolite clock type. Finally, performance evaluator drew allan deviation and time error from synchronized clock. Therefore synchronization performance analysis as clock type and algorithms are carried out by using this simulation platform.

Keywords: clock synchronization, PLL, FIR, performance analysis