Viterbi Decoder Block Decoding - Trellis Termination and Tail Biting Application Note: All Virtex and Spartan FPGA Families Viterbi Decoder Block Decoding - Trellis Termination and Tail Biting Author: Michael Francis XAPP551 (v2.0) July 30, 2010 Summary Many digital communication standards employ convolution coding as a means of forward error correction (FEC). Data encoded in this way generally is decoded with a Viterbi decoder, which operates by constructi……