EARLY TERMINATION METHOD WITH RE-ENCODING SCHEME FOR DECODING OF ERROR CORRECTION CODE

1 . An early termination method with a re-encoding scheme for decoding of error correction codes, comprising the steps of:

A. receiving soft values;

B. processing hard decision on the soft value to determine a codeword;

C. separating the codeword into a data part and a first parity part;

D. re-encoding the data part to get a second parity part;

E. checking if the first parity part and the second parity part are equivalent; and

F. if a result of step E is yes, stopping decoding the codeword; if the result of step E is no, processing a decoding algorithm on the codeword.

2 . An early termination method with a re-encoding scheme for decoding of error correction codes, comprising the steps of:

A. receiving first soft values;

B. processing hard decision on the first soft values to determine a first codeword and processing a decoding algorithm on the first soft values to get second soft values;

C. separating the first codeword into a data part and a first parity part;

D. re-encoding the data part to get a second parity part;

E. processing hard decision on the second soft values to determine a second codeword and a third parity part of the second codeword;

F. checking if the second parity part and the third parity part are equivalent; and

G. if a result of step F is yes, stopping iterative decoding; if the result of step F is no, processing the decoding algorithm on the second codeword.

3 . The early termination method according to claim 2 , further comprising the steps of, after step G:

G 1 . after the decoding algorithm is processed, checking if a number of iterative calculation reaches a preset maximum number; and

G 2 . if a result of step H 11 is yes, stopping iterative calculation of the decoding algorithm; if the result of step H 11 is no, returning the processed codeword as the first soft values to repeat the procedure from step A.

4 . An early termination method with a re-encoding scheme for decoding of error correction codes, comprising the steps of:

A. receiving soft values;

B. processing hard decision on the soft values to determine a first codeword;

C. separating the first codeword into a first data part and a first parity part;

D. re-encoding the first data part to get a second codeword;

E. separating the second codeword into a second data part and a second parity part;

F. calculating a number of mismatched bits between the first parity part and the second parity part;

G. checking if the number is greater than or equal to a preset value; and

H. if a result of step G is yes, processing a decoding algorithm on the first codeword; if the result of step G is no, processing the decoding algorithm on the second codeword.

5 . The early termination method according to claim 4 , further comprising the steps of, after step H:

H 1 . checking if a number of iterative calculation reaches a preset maximum number or a present termination condition of the decoding algorithm is met; and

H 2 . if a result of step G 1 is yes, stopping iterative calculation of the decoding algorithm; if the result of step G 1 is no, returning the processed codeword as the soft values to repeat the procedure from step A.