LDPC (1)

Composing hybrid type (RS+LDPC) example

Composing hybrid type (RS+LDPC) example

[Principle]
The LDPC code has/is the followings;
(1) Low inspection procession
(2) Excellent characteristic at the maximum likelihood decoding
(3) Random characteristic
(4) Suitable structure for decoding (The graph structure is also sparse.)
(5) Decoding characteristic, closed to the Shannon-limit


[Merit]
The LDPC error correcting algorithm supports a wide range of code lengths or code rates,
and the LDPC long code words performances are close to the Shannon Limit. Furthermore,
the error-floor phenomenon observed in Turbo-Codes is considerably decreased.