Adaptive FEC codeword management

Adaptive FEC codeword management

  • CN 101,841,389 A
  • Filed: 12/02/2004
  • Published: 09/22/2010
  • Est. Priority Date: 12/07/2003
  • Status: Active Application
First Claim
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1. transmission system comprises:

  • Transmission channel is used for transmitting data between transmitter and receiver/decoder, described transmitter is connected by interface in the mode that can communicate by letter with described transmission channel separately with described receiver/decoder;

    Transmission error value watch-dog, be connected by interface in the mode that can communicate by letter with this receiver/decoder, be used for periodically monitoring the characteristic that takes place in time that is used to be illustrated in detected transmission error on the described transmission channel, the measurement transmission error value MEV of amplitude and/or frequency, wherein said MEV on described receiver/decoder, train and initialization after periodically monitored, wherein said MEV is selected from the group that comprises following parameters;

    bit error rate, SES, the error code branch, the fixing code violation on the period, the signal to noise ratio snr of measuring at this receiver/decoder place, and transmission control protocol and Internet protocol TCP/IP throughput;

    Wherein said transmission error value watch-dog is further used for producing input signal based on transmission error, and it is detected on described transmission channel that described transmission error is based on MEV;

    AndController, be connected with described transmitter, be used for from described transmission error value watch-dog receiving inputted signal, and further produce control signal, described control signal changes N code word parameter at least by the interleaver outside in transmission system and instructs the coding associated components of described transmitter and/or described receiver/decoder to adjust their operation, the number of the byte of wherein said each Frame of N code word parametric representation.

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