Frame synchronization system and method for shortening total time length of calibration and synchronization
A frame synchronization, total duration technology, applied in time division multiplexing systems, electrical components, multiplexing communications, etc., can solve the problems of increasing overall power consumption, reducing calibration accuracy, etc. The effect of shortening the total time and saving hardware resources
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[0022] Regular frame synchronization such as figure 1 As shown, the N-bit received data is sampled with the OS times oversampling clock, and moved into the shift register, and correlated with the N-bit synchronization code that is also OS times oversampled. If the correlation is higher than the threshold, the frame synchronization is successful. .
[0023] Since the synchronization code configured by the register is known and fixed, during the duration of a symbol, the oversampling clock is the same for all sampling values of the same bit configured with the synchronization code, so there is no need to reserve NxOS bit space To store the configuration synchronization code, 1~OS sampling points of any bit of the received data can be correlated with the value of the corresponding bit in the configuration synchronization code, so it is enough to reserve only N bits of synchronization code storage space. figure 1 can be simplified as figure 2 , the storage space for the synch...
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