{"title":"速率兼容低密度奇偶校验码的位重复方法改进","authors":"Son Le, E. Likhobabin","doi":"10.1109/DSPA51283.2021.9535844","DOIUrl":null,"url":null,"abstract":"In this paper, we propose a principle for improving the “bit duplication” method for designing rate-compatible low-density parity-check (LDPC) codes. An experiment was carried out in the Matlab to obtain codes of rate-1/4 with different variants for duplicating bits from the original irregular DVB-S2 code of rate-1/2. Experimental results show that different bit duplication variants give different performance, moreover, codes using duplication of that part of the code word, where, respectively, the columns of the check matrix have the majority of the nonzero elements, turn out to be the best.","PeriodicalId":393602,"journal":{"name":"2021 23rd International Conference on Digital Signal Processing and its Applications (DSPA)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Improvement of the Bit Duplication Method for Rate-Compatible Low-Density Parity-Check Codes\",\"authors\":\"Son Le, E. Likhobabin\",\"doi\":\"10.1109/DSPA51283.2021.9535844\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, we propose a principle for improving the “bit duplication” method for designing rate-compatible low-density parity-check (LDPC) codes. An experiment was carried out in the Matlab to obtain codes of rate-1/4 with different variants for duplicating bits from the original irregular DVB-S2 code of rate-1/2. Experimental results show that different bit duplication variants give different performance, moreover, codes using duplication of that part of the code word, where, respectively, the columns of the check matrix have the majority of the nonzero elements, turn out to be the best.\",\"PeriodicalId\":393602,\"journal\":{\"name\":\"2021 23rd International Conference on Digital Signal Processing and its Applications (DSPA)\",\"volume\":\"27 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-03-24\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2021 23rd International Conference on Digital Signal Processing and its Applications (DSPA)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/DSPA51283.2021.9535844\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 23rd International Conference on Digital Signal Processing and its Applications (DSPA)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/DSPA51283.2021.9535844","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Improvement of the Bit Duplication Method for Rate-Compatible Low-Density Parity-Check Codes
In this paper, we propose a principle for improving the “bit duplication” method for designing rate-compatible low-density parity-check (LDPC) codes. An experiment was carried out in the Matlab to obtain codes of rate-1/4 with different variants for duplicating bits from the original irregular DVB-S2 code of rate-1/2. Experimental results show that different bit duplication variants give different performance, moreover, codes using duplication of that part of the code word, where, respectively, the columns of the check matrix have the majority of the nonzero elements, turn out to be the best.
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