Recognition Method of Concentratively Inserted Frame Synchronization
Yang Xiao-jing · Acta Armamentarii · 2013
A method is proposed to recognize the frame synchronization codes of the sequence intercepted by non-cooperative part.This method is to use a small area detection algorithm to estimate the frame length,then use the secondary filter to judge the start bit of frame,and finally use the fuzzy matching algorithm to recognize the frame synchronization code.The simulation result shows that,if the bit error rate(BER) is less than 4%,the proposed method can achieve a high recognition probability for the frame synchronization code of synchronized data frames,where the recognition probabilities for the Barker codes and m-sequences are 80% and 78%,respectively.