Abstract
A high-speed frequency-domain bit synchronization algorithm for parallel implementation is proposed in this paper, which is aimed at integrating high-speed laser communication with distance measurement. This algorithm which combines bit synchronization with the frequency-domain parallel matched filtering can make the output of filter only contain the data of optimum sampling points, so that the complexity of implementation will be obviously lower than parallel time-domain bit synchronization algorithm. Moreover, this algorithm adopts tracking timing adjustment to produce a better accuracy. A description of this algorithm is made in this paper, including formula derivation, implementation structure and simulation verification. Meanwhile, comparison between time-domain algorithm and frequency-domain algorithm is performed in this paper. According to the simulation results, this algorithm has a better performance.
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