An all-digital implementation of the data-transition tracking loop (DTTL) is proposed and analyzed. The input waveform is assumed to be nonreturn-to-zero (NRZ)-coded binary signals. The mathematical analysis of the loop is reduced to the study of a Markov chain which allows the derivation of expressions for the mean square phase error, steady-state probabilities, transient behavior (time to acquire and time to bit slippage), and bit error rate (BER). Theoretical results have been validated using a computer simulation of the loop. The all-digital implementation can take full advantage of advanced technology in memory and processing speeds.<>
Analysis of an all-digital data-transition tracking loop
IEEE Transactions on Aerospace and Electronic Systems ; 28 , 4 ; 1119-1127
1992-10-01
528339 byte
Article (Journal)
Electronic Resource
English
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