Device of implementing accuracy timing between base band and radio frequency in wireless communication system
A wireless communication and precise timing technology, which is applied in the communication between multiple stations, synchronization devices, transmission systems, etc., and can solve the problems of not being able to directly obtain long-term time scales and wasting bandwidth.
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[0032] The present invention mainly describes how the frame generation and frame extraction circuit transmits and obtains the frame boundary, and how the time mark insertion and extraction circuit transmits and obtains the time mark.
[0033] In the mobile communication system, the forward and backward signals from baseband to radio frequency are all fixed-rate data after baseband modulation. Therefore, the frame length is specified as a fixed value. For each frame, a frame header flag is set as a special overhead field in the frame structure.
[0034] Such as figure 2 As shown, it is a schematic structural diagram of a preferred embodiment of the device for realizing precise timing between the baseband and radio frequency of the wireless communication system of the present invention. The frame header insertion circuit 21 and the data insertion circuit 22 are located on the transmitting side of the baseband-remote radio frequency interface. , Implied time stamp insertion circuit 2...
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