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31.
公开(公告)号:US20150341144A1
公开(公告)日:2015-11-26
申请号:US14717142
申请日:2015-05-20
Inventor: Se-ho MYUNG , Kyung-joong KIM , Hong-sil JEONG , Kyeongcheol YANG , Seung-chan LIM
CPC classification number: H04L1/0071 , H04L1/00 , H04L1/0057 , H04L1/0063 , H04L27/34
Abstract: A transmitter, a receiver and signal processing methods are provided. The transmitter includes: an encoder configured to perform encoding on an information word based on a parity check matrix to generate a codeword including a plurality of non-binary symbols; an interleaver configured to interleave the codeword; and as modulator configured to modulate the interleaved codeword to generate a plurality of modulation symbols. The interleaver is configured to interleave the codeword such that the modulator maps a predetermined non-binary symbol from among the plurality of non-binary symbols constituting the codeword to a predetermined position in a modulation symbol among the plurality of modulation symbols.
Abstract translation: 提供发射机,接收机和信号处理方法。 发射机包括:编码器,被配置为基于奇偶校验矩阵对信息字进行编码,以生成包括多个非二进制符号的码字; 被配置为交织所述码字的交织器; 以及作为调制器,被配置为调制交织的码字以产生多个调制符号。 交织器被配置为交织码字,使得调制器将构成码字的多个非二进制符号之间的预定非二进制符号映射到多个调制符号之中的调制符号中的预定位置。
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32.
公开(公告)号:US20150089321A1
公开(公告)日:2015-03-26
申请号:US14497635
申请日:2014-09-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Se-ho MYUNG , Hong-sil JEONG , Kyung-joong KIM
CPC classification number: H03M13/271 , H03M13/036 , H03M13/11 , H03M13/1102 , H03M13/116 , H03M13/1165 , H03M13/1177 , H03M13/152 , H03M13/255 , H03M13/2707 , H03M13/2792 , H03M13/2906
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 is formed of a plurality of columns including a plurality of rows, respectively, and comprises: a block interleaver configured to divide each of the plurality of columns into a first part and a second part, and interleave a plurality of bit groups constituting the LDPC codeword, all bit groups interleaved by the first part are interleaved as bits included in a same bit group are written in a same column of the first part, at least one bit group interleaved by the second part is interleaved as bits included in the at least one bit group are divided and written in at least two columns constituting the second part.
Abstract translation: 提供发送装置和接收装置。 发送装置包括:编码器,被配置为通过执行LDPC编码来生成低密度奇偶校验(LDPC)码字; 配置为交织所述LDPC码字的交织器; 以及调制器,被配置为根据调制方法来调制交织的LDPC码字以产生调制符号。 交织器分别由包括多个行的多个列形成,并且包括:块交织器,被配置为将多个列中的每一个划分为第一部分和第二部分,并且交织构成该多个列的多个位组 LDPC码字,由第一部分交织的所有比特组被交织,因为包含在同一比特组中的比特被写入第一部分的同一列中,由第二部分交织的至少一个比特组被交织为包括在该 至少一个位组被划分并写入构成第二部分的至少两列中。
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33.
公开(公告)号:US20150039973A1
公开(公告)日:2015-02-05
申请号:US14324436
申请日:2014-07-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hong-sil JEONG , Se-ho MYUNG , Kyung-joong KIM
CPC classification number: H04L1/0071 , H03M13/11 , H03M13/1102 , H03M13/1165 , H03M13/1177 , H03M13/255 , H03M13/27 , H03M13/271 , H03M13/2778 , H03M13/2792 , H03M13/356 , H03M13/616 , H03M13/6538 , H03M13/6552 , H03M13/6555 , H04L1/00 , H04L1/004 , H04L1/0041 , H04L1/0057 , H04L27/04 , H04L27/36
Abstract: A transmitter apparatus and a receiver apparatus are provided. The transmitter apparatus includes: an encoder configured to generate a low density parity check (LDPC) by performing LDPC encoding; an interleaver configured to interleave the LDPC codeword; and a modulator configured to map the interleaved LDPC codeword onto a modulation symbol. The modulator maps a bit included in a predetermined group from among a plurality of groups constituting the LDPC codeword onto a predetermined bit in the modulation symbol.
Abstract translation: 提供发射机装置和接收机装置。 发送装置包括:编码器,被配置为通过执行LDPC编码来生成低密度奇偶校验(LDPC); 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。 调制器将构成LDPC码字的多个组中的预定组中包含的比特映射到调制符号中的预定比特。
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公开(公告)号:US20230299877A1
公开(公告)日:2023-09-21
申请号:US18304029
申请日:2023-04-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Se-ho MYUNG , Kyung-joong kim , Hong-sil Jeong
CPC classification number: H04L1/0041 , H03M13/1165 , H03M13/255 , H03M13/2778 , H03M13/2906 , H03M13/3761 , H03M13/3769 , H03M13/6356 , H03M13/6362 , H03M13/152
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 interleave the parity bits and group-wise interleave a plurality of parity bit groups configuring the interleaved parity bits based on a group-wise interleaving pattern including a first pattern and a second pattern to perform parity permutation; a puncturer configured to puncture at least some of the group-wise interleaved parity bit groups; and an additional parity generator configured to select at least some of the punctured parity bit groups 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:US20220385399A1
公开(公告)日:2022-12-01
申请号:US17870981
申请日:2022-07-22
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Se-ho MYUNG , Hong-si JEONG , Kyung-joong KIM
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:US20220294559A1
公开(公告)日:2022-09-15
申请号:US17827883
申请日:2022-05-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Se-ho MYUNG , Kyung-joong KIM , Hong-sil JEONG
Abstract: A receiver is provided. The receiver includes: a first decoder configured to decode a superposition-coded signal by using a parity check matrix to generate Low Density Parity Check (LDPC) information word bits and first parity bits corresponding to a first layer signal; an encoder configured to encode the LDPC information word bits and the first parity bits to generate second parity bits, or encode the LDPC information word bits to generate the first parity bits and the second parity bits, by using the parity check matrix; and a second decoder configured to decode a signal which is generated by removing the first layer signal, corresponding to the LDPC information word bits, the first parity bits, and the second parity bits, from the superposition-coded signal, to reconstruct bits transmitted through the second layer signal.
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公开(公告)号:US20220247429A1
公开(公告)日:2022-08-04
申请号:US17717239
申请日:2022-04-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Se-ho MYUNG , Kyung-Joong Kim , Hong-sil Jeong
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:US20220216883A1
公开(公告)日:2022-07-07
申请号:US17698179
申请日:2022-03-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Se-ho MYUNG , Belkacem MOUHOUCHE , Daniel Ansorregui LOBETE , Kyung-joong KIM , Hong-sil JEONG
Abstract: A transmitting apparatus is disclosed. The transmitting apparatus includes an encoder to perform channel encoding with respect to bits and generate a codeword, an interleaver to interleave the codeword, and a modulator to map the interleaved codeword onto a non-uniform constellation according to a modulation scheme, and the constellation may include constellation points defined based on various tables according to the modulation scheme.
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公开(公告)号:US20210367697A1
公开(公告)日:2021-11-25
申请号:US17380636
申请日:2021-07-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Se-ho MYUNG , Belkacem Mouhouche , Daniel Ansorregui Lobete , Kyung-joong Kim , Hong-sil Jeong
Abstract: A transmitting apparatus is disclosed. The transmitting apparatus includes an encoder to perform channel encoding with respect to bits and generate a codeword, an interleaver to interleave the codeword, and a modulator to map the interleaved codeword onto a non-uniform constellation according to a modulation scheme, and the constellation may include constellation points defined based on various tables according to the modulation scheme.
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公开(公告)号:US20210336835A1
公开(公告)日:2021-10-28
申请号:US17366731
申请日:2021-07-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Se-ho MYUNG , Belkacem MOUHOUCHE , Daniel Ansorregui LOBETE , Kyung-joong KIM , Hong-sil JEONG
Abstract: A transmitting apparatus is disclosed. The transmitting apparatus includes an encoder to perform channel encoding with respect to bits and generate a codeword, an interleaver to interleave the codeword, and a modulator to map the interleaved codeword onto a non-uniform constellation according to a modulation scheme, and the constellation may include constellation points defined based on various tables according to the modulation scheme.
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