A data processing device, comprising: an encoder adapted to encode information bits of length K = 4320 into a codeword of a Low Density Parity Check, LDPC, code based on a parity check matrix of the LDPC code, the LDPC code having a code length of N = 16200 bits and a coding rate of 4/15, wherein the parity check matrix includes an information matrix of dimension (N-K)xK = 11880x4320 corresponding to the information bits and a parity matrix of dimension (N-K)x(N-K) = 11880x1880 corresponding to parity bits of the LDPC codeword; said parity matrix having a stepwise structure, in which elements of "1" are arranged in a stepwise manner; said information matrix being represented by a parity check matrix initial value table, which shows in its i-th row, 1 ≤ i ≤ 12, the positions of elements "1" in the (1+360x(i-1))-th column of the information matrix, and wherein based on each (1+3fi0x(i-1))-th column, 1 ≤ i ≤ 12, columns 2+360x(i-1) through 360xi of the information matrix are determined by cyclically shifting downwards the respective preceding column by (N-K)/360 =33; and the parity check matrix initial value table is formed as follows: 1953 2331 2545 2623 4653 5012 5700 6458 6875 7605 7694 7881 8416 8758 9181 9555 9578 9932 10068 11479 11699 514 784 2059 2129 2386 2454 3396 5184 6624 6825 7533 7861 9116 9473 9601 10432 11011 11159 11378 11528 11598 483 1303 1735 2291 3302 3648 4222 4522 5511 6626 6804 7404 7752 7982 8108 8930 9151 9793 9876 10786 11879 1956 7572 9020 9971 13 1578 7445 8373 6805 6857 8615 11179 7983 8022 10017 11748 4939 8861 10444 11661 2278 3733 6265 10009 4494 7974 10649 8909 11030 11696 3131 9964 10480. an encoder adapted to encode information bits of length K = 4320 into a codeword of a Low Density Parity Check, LDPC, code based on a parity check matrix of the LDPC code, the LDPC code having a code length of N = 16200 bits and a coding rate of 4/15, wherein the parity check matrix includes an information matrix of dimension (N-K)xK = 11880x4320 corresponding to the information bits and a parity matrix of dimension (N-K)x(N-K) = 11880x1880 corresponding to parity bits of the LDPC codeword; said parity matrix having a stepwise structure, in which elements of "1" are arranged in a stepwise manner; said information matrix being represented by a parity check matrix initial value table, which shows in its i-th row, 1 ≤ i ≤ 12, the positions of elements "1" in the (1+360x(i-1))-th column of the information matrix, and wherein based on each (1+3fi0x(i-1))-th column, 1 ≤ i ≤ 12, columns 2+360x(i-1) through 360xi of the information matrix are determined by cyclically shifting downwards the respective preceding column by (N-K)/360 =33; and the parity check matrix initial value table is formed as follows: 1953 2331 2545 2623 4653 5012 5700 6458 6875 7605 7694 7881 8416 8758 9181 9555 9578 9932 10068 11479 11699 514 784 2059 2129 2386 2454 3396 5184 6624 6825 7533 7861 9116 9473 9601 10432 11011 11159 11378 11528 11598 483 1303 1735 2291 3302 3648 4222 4522 5511 6626 6804 7404 7752 7982 8108 8930 9151 9793 9876 10786 11879 1956 7572 9020 9971 13 1578 7445 8373 6805 6857 8615 11179 7983 8022 10017 11748 4939 8861 10444 11661 2278 3733 6265 10009 4494 7974 10649 8909 11030 11696 3131 9964 10480. 1953 2331 2545 2623 4653 5012 5700 6458 6875 7605 7694 7881 8416 8758 9181 9555 9578 9932 10068 11479 11699 514 784 2059 2129 2386 2454 3396 5184 6624 6825 7533 7861 9116 9473 9601 10432 11011 11159 11378 11528 11598 483 1303 1735 2291 3302 3648 4222 4522 5511 6626 6804 7404 7752 7982 8108 8930 9151 9793 9876 10786 11879 1956 7572 9020 9971 13 1578 7445 8373 6805 6857 8615 11179 7983 8022 10017 11748 4939 8861 10444 11661 2278 3733 6265 10009 4494 7974 10649 8909 11030 11696 3131 9964 10480.