Turbo Decoding

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

Document ID
Release Date
2.4 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 via streaming control interface

Early termination

°Specified for each codeword 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 codeword to include systematic and optionally parity 0 and parity 1

°8-bit soft LLR on input and output (8-bit interface, 2 fractional bits, with external saturation before input to symmetric range –31.75 to +31.75)