US 11,757,568 B2
Transmitting apparatus and interleaving method thereof
Se-ho Myung, Yongin-si (KR); Hong-sil Jeong, Suwon-si (KR); and Kyung-joong Kim, Seoul (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Aug. 5, 2022, as Appl. No. 17/882,217.
Application 17/882,217 is a continuation of application No. 17/168,604, filed on Feb. 5, 2021, granted, now 11,438,096.
Application 17/168,604 is a continuation of application No. 16/431,247, filed on Jun. 4, 2019, granted, now 10,965,397, issued on Mar. 30, 2021.
Application 16/431,247 is a continuation of application No. 14/715,908, filed on May 19, 2015, granted, now 10,447,428, issued on Oct. 15, 2019.
Prior Publication US 2022/0398157 A1, Dec. 15, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 1/00 (2006.01); H03M 13/11 (2006.01); H03M 13/25 (2006.01); H03M 13/27 (2006.01); H03M 13/29 (2006.01); G06F 11/10 (2006.01); G06F 17/11 (2006.01); H03M 13/15 (2006.01)
CPC H04L 1/0041 (2013.01) [G06F 11/1096 (2013.01); G06F 17/11 (2013.01); H03M 13/1165 (2013.01); H03M 13/255 (2013.01); H03M 13/271 (2013.01); H03M 13/2732 (2013.01); H03M 13/2778 (2013.01); H03M 13/2906 (2013.01); H04L 1/0045 (2013.01); H04L 1/0057 (2013.01); H04L 1/0071 (2013.01); H03M 13/152 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A transmitting apparatus comprising:
an encoder configured to encode input bits to generate parity bits based on a low density parity check (LDPC) code, a code rate of the LDPC code being 6/15 and a code length of the LDPC code being 64800 bits;
an interleaver configured to interleave the parity bits, split a codeword comprising the input bits and the interleaved parity bits into a plurality of bit groups, interleave the plurality of bit groups based on an interleaving order, and interleave bits of the interleaved plurality of bit groups;
a mapper configured to map the interleaved bits to constellation points for 64-quadrature amplitude modulation (QAM); and
a transmitter configured to transmit a signal which is generated based on the constellation points,
wherein the plurality of bit groups are interleaved based on a following equation:
Yj=Xπ(j) for (0≤J<Ngroup),
where Xj is a jth bit group among the plurality of bit groups, Yj is a jth bit group among the interleaved plurality of bit groups, Ngroup is a number of the plurality of bit groups, and π(j) denotes the interleaving order, and
wherein the π(j) is represented as follows:
 
 
 Order of the interleaving
 
 π(j) (0 ≤ j < 180)
 
 
j 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
 
 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
 
 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68
 
 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91
 
 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114
 
 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137
 
 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160
 
 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179
 
 
 
 
π(j) 29 17 38 37 27 43 31 35 16 46 44 9 23 1 34 45 14 18 156 19 22 40 50
 
 24 56 49 26 42 69 47 59 61 66 52 64 65 67 54 170 68 132 51 70 41 21 5
 
 160 7 13 55 62 53 63 58 3 167 71 57 151 60 36 25 74 39 32 72 85 86 107
 
 113 48 88 2 129 137 20 73 166 75 77 142 174 15 149 28 145 92 169 30 133 163 119
 
 82 176 152 134 139 148 164 99 173 104 83 106 112 135 153 0 128 144 98 171 94 97 143
 
 110 118 127 84 79 108 126 131 93 111 91 4 125 162 157 158 109 140 123 154 150 80 11
 
 12 146 96 81 165 8 89 138 105 141 103 6 100 161 172 78 101 115 179 147 116 136 122
 
 87 33 130 124 175 120 90 102 10 114 159 76 177 178 121 168 95 117 155