Turbo Decoding - 1.1 English

Soft-Decision FEC Integrated Block LogiCORE IP Product Guide (PG256)

Document ID
PG256
Release Date
2022-10-19
Version
1.1 English
  • Max, Max Scale (scale factor is programmable as a multiple of 0.0625), or Max Star
  • Number of iterations between 1 and 63
    • Specified for each block using the AXI4-Stream control interface
  • Early termination
    • Specified for each block to be none, one, or both of the following:
      • No change in hard decision since last iteration
      • CRC pass
  • Soft or hard outputs
    • Specified for each block to include systematic and optionally parity 0 and parity 1
    • 8-bit soft LLR on input and output (8-bit interface, two fractional bits, with external saturation before input to symmetric range -31.75 to +31.75 is assumed)