{"title":"新的低复杂度涡轮式代码","authors":"P. Massey, D. Costello","doi":"10.1109/ITW.2001.955139","DOIUrl":null,"url":null,"abstract":"We discuss the design of new low-complexity turbo-like codes based on a multiple parallel concatenation of 4-state and 2-state constituent codes. The new code designs take advantage of the big-numerator/little-denominator principle along with specially designed interleavers to outperform previously designed turbo codes over the entire range of signal-to-noise ratios. Puncturing at the encoder is used to produce low-complexity codes with excellent performance at code rates of 1/2 and 1/3. The multiple parallel concatenation and puncturing results in turbo-like encoders which are either partially systematic or completely nonsystematic. Comparisons with the proposed 8-state turbo coding standard and with other low-complexity alternative code designs are included.","PeriodicalId":288814,"journal":{"name":"Proceedings 2001 IEEE Information Theory Workshop (Cat. No.01EX494)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2001-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"25","resultStr":"{\"title\":\"New low-complexity turbo-like codes\",\"authors\":\"P. Massey, D. Costello\",\"doi\":\"10.1109/ITW.2001.955139\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We discuss the design of new low-complexity turbo-like codes based on a multiple parallel concatenation of 4-state and 2-state constituent codes. The new code designs take advantage of the big-numerator/little-denominator principle along with specially designed interleavers to outperform previously designed turbo codes over the entire range of signal-to-noise ratios. Puncturing at the encoder is used to produce low-complexity codes with excellent performance at code rates of 1/2 and 1/3. The multiple parallel concatenation and puncturing results in turbo-like encoders which are either partially systematic or completely nonsystematic. Comparisons with the proposed 8-state turbo coding standard and with other low-complexity alternative code designs are included.\",\"PeriodicalId\":288814,\"journal\":{\"name\":\"Proceedings 2001 IEEE Information Theory Workshop (Cat. No.01EX494)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2001-09-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"25\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings 2001 IEEE Information Theory Workshop (Cat. No.01EX494)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ITW.2001.955139\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings 2001 IEEE Information Theory Workshop (Cat. No.01EX494)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ITW.2001.955139","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
We discuss the design of new low-complexity turbo-like codes based on a multiple parallel concatenation of 4-state and 2-state constituent codes. The new code designs take advantage of the big-numerator/little-denominator principle along with specially designed interleavers to outperform previously designed turbo codes over the entire range of signal-to-noise ratios. Puncturing at the encoder is used to produce low-complexity codes with excellent performance at code rates of 1/2 and 1/3. The multiple parallel concatenation and puncturing results in turbo-like encoders which are either partially systematic or completely nonsystematic. Comparisons with the proposed 8-state turbo coding standard and with other low-complexity alternative code designs are included.
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