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11.
公开(公告)号:US20220123858A1
公开(公告)日:2022-04-21
申请号:US17564531
申请日:2021-12-29
Applicant: Samsung Electronics Co., Ltd.
Inventor: Kyung-Joong KIM , Seho MYUNG , Min JANG , Hong-Sil JEONG , Jae-Yoel KIM , Seok-Ki AHN
Abstract: A channel encoding method in a communication or broadcasting system is provided. The channel encoding method includes reading a first sequence corresponding to a parity check matrix, converting the first sequence to a second sequence by applying a certain rule to a block size corresponding to a parity check matrix and the first sequence, and encoding information bits based on the second sequence. The block size has at least two different integer values.
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12.
公开(公告)号:US20210091884A1
公开(公告)日:2021-03-25
申请号:US17109476
申请日:2020-12-02
Applicant: Samsung Electronics Co., Ltd.
Inventor: Kyung-Joong KIM , Seho MYUNG , Min JANG , Hong-Sil JEONG , Jae-Yoel KIM , Seok-Ki AHN
Abstract: A channel encoding method in a communication or broadcasting system is provided. The channel encoding method includes reading a first sequence corresponding to a parity check matrix, converting the first sequence to a second sequence by applying a certain rule to a block size corresponding to a parity check matrix and the first sequence, and encoding information bits based on the second sequence. The block size has at least two different integer values.
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公开(公告)号:US20190058546A1
公开(公告)日:2019-02-21
申请号:US16169332
申请日:2018-10-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hong-sil JEONG , Kyung-Joong KIM , Se-ho MYUNG
CPC classification number: H04L1/0041 , H03M13/1165 , H03M13/152 , H03M13/255 , H03M13/2707 , H03M13/2778 , H03M13/3761 , H03M13/3769 , H03M13/6356 , H03M13/6362 , H04L1/0045 , H04L1/0057 , H04L1/0065 , H04L1/0067 , H04L1/0071 , H04L27/20
Abstract: A transmitter is provided. The transmitter includes: a Low Density Parity Check (LDPC) encoder configured to encode input bits to generate an LDPC codeword including the input bits and parity bits to be transmitted in a current frame; a parity permutator configured to perform by group-wise interleaving a plurality of bit groups configuring the parity bits based on a group-wise interleaving pattern comprising a first pattern and a second pattern; a puncturer configured to puncture some of the parity-permutated parity bits; and an additional parity generator configured to select at least some of the punctured parity bits to generate additional parity bits to be transmitted in a previous frame of the current frame, based on the first pattern and the second pattern.
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公开(公告)号:US20190058492A1
公开(公告)日:2019-02-21
申请号:US16166988
申请日:2018-10-22
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hong-sil JEONG , Se-ho MYUNG , Kyung-Joong KIM
CPC classification number: H03M13/2792 , H03M13/1102 , H03M13/1165 , H03M13/255 , H03M13/2703 , H03M13/2707 , H03M13/2778 , H03M13/6552 , H03M13/6555 , H04L1/0041 , H04L1/0058 , H04L1/0071
Abstract: A transmitting apparatus and a receiving apparatus are provided. The transmitting apparatus includes an encoder configured to generate a low density parity check (LDPC) codeword by performing LDPC encoding, an interleaver configured to interleave the LDPC codeword, and a modulator configured to modulate the interleaved LDPC codeword according to a modulation method to generate a modulation symbol. The interleaver performs interleaving by dividing the LDPC codeword into a plurality of groups, rearranging an order of the plurality of groups in group units, and dividing the plurality of rearranged groups based on a modulation order according to the modulation method.
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公开(公告)号:US20170264315A1
公开(公告)日:2017-09-14
申请号:US15609707
申请日:2017-05-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hong-sil JEONG , Kyung-Joong KIM , Se-ho MYUNG
CPC classification number: H03M13/1111 , H03M13/1102 , H03M13/1165 , H03M13/255 , H03M13/2707 , H03M13/271 , H03M13/2778 , H03M13/2792 , H03M13/611 , H04L1/0041 , H04L1/0057 , H04L1/0058 , H04L1/0071 , H04L27/36
Abstract: A transmitting apparatus is provided. The transmitting apparatus includes: an encoder configured to generate a Low Density Parity Check (LDPC) codeword by LDPC encoding based on a parity check matrix; an interleaver configured to interleave the LDPC codeword; and a modulator configured to map the interleaved LDPC codeword onto a plurality of modulation symbols, wherein the modulator is configured to map bits included in a predetermined bit group from among a plurality of bit groups constituting the LDPC codeword onto a predetermined bit of each of the modulation symbols.
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公开(公告)号:US20160261289A1
公开(公告)日:2016-09-08
申请号:US15130011
申请日:2016-04-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Kyung-Joong KIM , Se-ho MYUNG , Hong-sil JEONG
CPC classification number: H03M13/1148 , H03M13/1165 , H03M13/1177 , H03M13/152 , H03M13/255 , H03M13/2707 , H03M13/271 , H03M13/2739 , H03M13/2778 , H03M13/2792 , H03M13/2906 , H03M13/611 , H03M13/6356 , H03M13/6362 , H04L1/0057 , H04L1/0068 , H04L1/0071 , H04L27/20
Abstract: A transmitter is provided. The transmitter includes: a Low Density Parity Check (LDPC) encoder configured to encode input bits to generate parity bits; a parity permutator configured to perform parity permutation by interleaving the parity bits and group-wise interleaving a plurality of bit groups including the interleaved parity bits; and a puncturer configured to select some of the parity bits in the group-wise interleaved bit groups, and puncture the selected parity bits, wherein the parity permutator group-wise interleaves the bit groups such that some of the bit groups are positioned at predetermined positions, respectively, and a remainder of the bit groups are positioned without an order within the group-wise interleaved bit groups so that the puncturer selects parity bits included in the some of the bit groups positioned at the predetermined positions sequentially and selects parity bits included in the remainder of the bit groups without an order.
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公开(公告)号:US20150341053A1
公开(公告)日:2015-11-26
申请号:US14716132
申请日:2015-05-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Kyung-Joong KIM , Se-ho MYUNG , Hong-sil JEONG , Daniel ANSORREGUI LOBETE , Belkacem MOUHOUCHE
CPC classification number: H03M13/2792 , H03M13/1102 , H03M13/1165 , H03M13/1177 , H03M13/152 , H03M13/253 , H03M13/255 , H03M13/2707 , H03M13/2778 , H03M13/616 , H04L1/0041 , H04L1/0057 , H04L1/0071 , H04L27/04
Abstract: A transmitting apparatus is provided. The transmitting apparatus includes: an encoder configured to generate a low-density parity check (LDPC) codeword by LDPC encoding of input bits based on a parity check matrix including information word bits and parity bits, the LDPC codeword including a plurality of bit groups each including a plurality of bits; an interleaver configured to interleave the LDPC codeword; and a modulator configured to map the interleaved LDPC codeword onto a modulation symbol, wherein the interleaver is further configured to interleave the LDPC codeword such that a bit included in a predetermined bit group from among the plurality of bit groups constituting the LDPC codeword onto a predetermined bit of the modulation symbol.
Abstract translation: 提供发送装置。 发送装置包括:编码器,被配置为基于包括信息字比特和奇偶校验位的奇偶校验矩阵,通过输入比特的LDPC编码生成低密度奇偶校验(LDPC)码字,所述LDPC码字包括多个比特组 包括多个位; 配置为交织所述LDPC码字的交织器; 以及调制器,被配置为将交织的LDPC码字映射到调制符号,其中所述交织器还被配置为交织所述LDPC码字,使得包括在构成所述LDPC码字的所述多个比特组中的预定比特组中包括的比特到预定的 位的调制符号。
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公开(公告)号:US20230370089A1
公开(公告)日:2023-11-16
申请号:US18225841
申请日:2023-07-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Se-ho MYUNG , Kyung-Joong KIM , Hong-sil JEONG
CPC classification number: H03M13/1148 , H03M13/611 , H04L1/0068 , H04L1/0057 , H03M13/6356 , H03M13/255 , H03M13/1102 , H03M13/6362 , H03M13/1165 , H04L1/0041
Abstract: A transmitter is provided. The transmitter includes: a Low Density Parity Check (LDPC) encoder configured to encode outer-encoded bits to generate an LDPC codeword including LDPC information bits and parity bits; a puncturer configured to puncture some of the parity bits included in the LDPC codeword; and a mapper configured to map the LDPC codeword except the punctured parity bits to symbols for transmission to a receiver, wherein the puncturer calculates a number of parity bits to be punctured among the parity bits included in the LDPC codeword based on a number of the outer-encoded bits, a number of the LDPC information bits, and a minimum number of parity bits to be punctured among the parity bits included in the LDPC codeword.
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公开(公告)号:US20220094469A1
公开(公告)日:2022-03-24
申请号:US17541430
申请日:2021-12-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hong-sil JEONG , Kyung-Joong KIM , Se-ho MYUNG
Abstract: A transmitter is provided. The transmitter includes: an outer encoder configured to encode input bits to generate outer-encoded bits including the input bits and parity bits; a zero padder configured to generate a plurality of bit groups each of which is formed of a same number of bits, determine whether a number of the outer-encoded bits satisfies a predetermined number of bits required according to at least one of a code rate and a code length for Low Density Parity Check (LDPC) encoding, pads zero bits to some of the bits in the bit groups if the number of the outer-encoded bits is less than the predetermined number of bits, and maps the outer-encoded bits to remaining bits in the bit groups, based on a predetermined shortening pattern, thereby to constitute LDPC information bits; and an LDPC encoder configured to encode the LDPC information bits, wherein the some of the bits, in which zero bits are padded, are included in some of the bit groups which are not sequentially disposed in the LDPC information bits.
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公开(公告)号:US20200343911A1
公开(公告)日:2020-10-29
申请号:US16925368
申请日:2020-07-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hong-sil JEONG , Kyung-Joong KIM , Se-ho MYUNG
Abstract: Provided is a signal interleaving method which includes: interleaving parity bits by encoding input bits based on a low density parity check (LDPC) code according to a code rate of 6/15 and a code length of 64800; splitting a codeword comprising the input bits and the interleaved parity bits into a plurality of bit groups; interleaving the plurality of bit groups according to a specific permutation order to provide an interleaved codeword; de-multiplexing bits of the interleaved codeword to generate data cells; mapping the data cells onto constellation points for 1024-quadrature amplitude modulation (QAM); and transmitting a signal based on the constellation points.
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