LDPC DESIGN FOR HIGH RATE, HIGH PARALLELISM, AND LOW ERROR FLOOR

摘要

A method of data encoding is disclosed. An encoder receives a set of information bits and performs a lifted LDPC encoding operation on the information bits to produce a codeword. The encoder then punctures all lifted bits of the codeword that correspond to one or more punctured base bits of a base LDPC code used for the LDPC encoding operation. The base LDPC code has no multiple edges, and the one or more punctured base bits are those that correspond with one or more punctured base nodes, respectively, of the base LDPC code. For some embodiments, the one or more punctured base nodes correspond to one or more degree 2 variable nodes.

主权项

1. A method of data encoding, the method comprising:
receiving a set of information bits; performing a lifted low density parity check (LDPC) encoding operation on the set of information bits to produce a codeword; and puncturing all lifted bits of the codeword that correspond to one or more punctured base bits of a base LDPC code used for the LDPC encoding operation, wherein:
the one or more punctured base bits are those that correspond with one or more punctured base nodes, respectively, of the base LDPC code; andthe base LDPC code has no multiple edges.