A transmission system using multicarrier modulation applies FECC (forward error correcting code) coding and codeword interleaving differently to input signals from a plurality of different data channels to produce encoded data signals having different reliabilities and different coding delays. Bits of...http://www.google.com.tw/patents/US5596604?utm_source=gb-gplus-share專利 US5596604 - Multicarrier modulation transmission system with variable delay
