{"title":"水平分层解码器的捕获集分析","authors":"N. Raveendran, B. Vasic","doi":"10.1109/ICC.2018.8422965","DOIUrl":null,"url":null,"abstract":"In this paper, we present how the decoding performance of layered decoder can be analyzed using trapping sets. Surprisingly, a simple horizontal layered Gallager-B decoder breaks all weight-3 error patterns on a (5,3) trapping set successfully, resulting in a steeper slope in frame error rate (FER) curves compared to a flooding schedule decoder. Theoretical validation of the results is also done using a semi- analytical method for computing the error floors of LDPC codes on a binary symmetric channel decoded using layered Gallager-B algorithm.","PeriodicalId":387855,"journal":{"name":"2018 IEEE International Conference on Communications (ICC)","volume":"104 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Trapping Set Analysis of Horizontal Layered Decoder\",\"authors\":\"N. Raveendran, B. Vasic\",\"doi\":\"10.1109/ICC.2018.8422965\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, we present how the decoding performance of layered decoder can be analyzed using trapping sets. Surprisingly, a simple horizontal layered Gallager-B decoder breaks all weight-3 error patterns on a (5,3) trapping set successfully, resulting in a steeper slope in frame error rate (FER) curves compared to a flooding schedule decoder. Theoretical validation of the results is also done using a semi- analytical method for computing the error floors of LDPC codes on a binary symmetric channel decoded using layered Gallager-B algorithm.\",\"PeriodicalId\":387855,\"journal\":{\"name\":\"2018 IEEE International Conference on Communications (ICC)\",\"volume\":\"104 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-07-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 IEEE International Conference on Communications (ICC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICC.2018.8422965\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 IEEE International Conference on Communications (ICC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICC.2018.8422965","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Trapping Set Analysis of Horizontal Layered Decoder
In this paper, we present how the decoding performance of layered decoder can be analyzed using trapping sets. Surprisingly, a simple horizontal layered Gallager-B decoder breaks all weight-3 error patterns on a (5,3) trapping set successfully, resulting in a steeper slope in frame error rate (FER) curves compared to a flooding schedule decoder. Theoretical validation of the results is also done using a semi- analytical method for computing the error floors of LDPC codes on a binary symmetric channel decoded using layered Gallager-B algorithm.
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