A transmitter transmits, and a receiver receives, a data frame is transmitted into an 8 MHZ channel. The data frame contains a plurality of data segments, where each of the data segments contain DS symbols. The DS symbols include data symbols, priming symbols, and segment synchronization symbols. The...http://www.google.com/patents/US6687310?utm_source=gb-gplus-sharePatent US6687310 - Trellis coded modulation system for digital television signal with trellis coded data and synchronization symbols
