Received packet sorting and null packet processing system
A packet processing and receiving packet technology, applied in the field of network communication, can solve problems such as long recovery time, poor recovery accuracy, and loss of clock information
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Embodiment 1
[0082] Embodiment 1: as figure 2 As shown, this embodiment provides a TDM-based network clock recovery system with high recovery accuracy and short recovery time; it includes a data clock branching module 1, a received packet sorting and invalid packet processing system 2, a clock recovery module 3, Parallel-serial processing module 4; said data clock branching module 1 is respectively connected with said receiving packet sorting and invalid packet processing system 2, clock recovery module 3; said receiving packet sorting and invalid packet processing system 2, said clock recovery The modules 3 are all connected to the parallel-serial processing module 4 .
[0083] The data clock branching module 1 is used to send the control word part of the network data received from the packet network to the clock recovery module 3 .
[0084] The received packet sorting and invalid packet processing system 2 is used to sort the network data and process packet loss.
[0085] The clock r...
Embodiment 2
[0103] Embodiment 2: This embodiment also provides a TDM-based network clock recovery method with high recovery accuracy and short recovery time, such as Figure 5 As shown, the following steps are included: Step S100 is included: encapsulating the network data to be transmitted according to the specified number of frames.
[0104] Including step S200: separating the control word part from the received network data, and calculating and adjusting the recovered clock.
[0105] Step S300 is included: sorting and discarding received network data.
[0106] Step S400 is included: performing parallel-serial processing on the sorted and packet loss-processed network data and the calculated and adjusted recovered clock frequency, so as to realize the clock recovery of the network data.
[0107] Further, such as Figure 6 As shown, in the step S200 of extracting the timing sequence number from the control word part and counting according to the current recovered clock: including step...
Embodiment 3
[0162] Embodiment 3: This embodiment also provides a TDM-based network clock recovery method with high recovery accuracy and short recovery time, such as Figure 5 As shown, the following steps are included: Step S100 is included: encapsulating the network data to be transmitted according to the specified number of frames.
[0163] Including step S200: separating the control word part from the received network data, and calculating and adjusting the recovered clock.
[0164] Step S300 is included: sorting and discarding received network data.
[0165] Step S400 is included: performing parallel-serial processing on the sorted and packet loss-processed network data and the calculated and adjusted recovered clock frequency.
[0166] Further, such as Figure 6 As shown, in the step S200 of extracting the timing sequence number from the control word part and counting according to the current recovered clock: including step S210: within a single calculation cycle, according to the...
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