Abstract
BER performance improvement of recording system referring jitter noise is studied. Jitter noise depends on recording signals, because the transition position jitter is the cause of jitter noise. We pay attention to the dependence on signals, and verified by computer simulation that the average and the dispersion of jitter like noise are different in each branches of Trellis diagram which is used in Viterbi algorithm. Futhermore, we proposed the calculation method of the path metric which includes the difference of the average and the dispersion. Simulation is used for evaluating BER of proposed scheme.
