LDPC IP Core User Guide

ID 683381
Date 4/04/2022
Public

2.1. LDPC IP Core Features

The LDPC IP Core targets these standards:

  • DOCSIS 3.1
    • Decoder only
    • On-the fly switching between code
  • WiMedia 1.5
    • Encoder and decoder
    • Optional on-the fly switching between code
    • Supports short and long frame
  • DVB-S2
    • Encoder only
  • NASA GSFC-STD-9100
    • Encoder and decoder
    • Optional low resource architecture
    • MSA or layered MSA decoding

All decoders have:

  • MATLAB models
  • Double-buffered architecture to reduce latency and boost throughput
  • Early stopping criterion
  • Parameters for:
    • Input parallelism
    • Decoding parallelism
    • LLR width
    • Attenuation factor

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