Commit Graph

2 Commits

Author SHA1 Message Date
cah
18333e32f5 Update RTL base matrix to match working Python model
IRA staircase structure: col 0 = info (dv=7), cols 1-7 = parity (dv=1-2).
RTL decoder core still needs CN update rework for variable degree.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23 21:56:48 -07:00
cah
b93a6f5769 Initial LDPC optical decoder project scaffold
Rate-1/8 QC-LDPC decoder for photon-starved optical communication.
Target: Efabless chipIgnite (SkyWater 130nm, Caravel harness).

- RTL: decoder top, core (layered min-sum), Wishbone interface
- Python behavioral model with Poisson channel simulation
- 7x8 base matrix, Z=32, n=256, k=32

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23 21:47:40 -07:00