{"title":"时空turbo码二次迭代译码的m正交调幅软估计","authors":"Ana-Mirela Rotopanescu, L. Trifina, D. Tarniceriu","doi":"10.1109/ISSCS.2017.8034868","DOIUrl":null,"url":null,"abstract":"Quadrature Amplitude Modulation (QAM) is an important modulation scheme with many practical applications, including current and future wireless technologies. The performance of a mobile communication system can be improved by using a doubly iterative decoding scheme for space-time turbo codes with a large number of transmit and receive antennas, where the decoder uses preliminary soft values of the coded symbols. In this paper, the soft estimates for a high QAM order are derived and explained.","PeriodicalId":338255,"journal":{"name":"2017 International Symposium on Signals, Circuits and Systems (ISSCS)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Soft estimates for doubly iterative decoding of space-time turbo codes using M-ary Quadrature Amplitude Modulation\",\"authors\":\"Ana-Mirela Rotopanescu, L. Trifina, D. Tarniceriu\",\"doi\":\"10.1109/ISSCS.2017.8034868\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Quadrature Amplitude Modulation (QAM) is an important modulation scheme with many practical applications, including current and future wireless technologies. The performance of a mobile communication system can be improved by using a doubly iterative decoding scheme for space-time turbo codes with a large number of transmit and receive antennas, where the decoder uses preliminary soft values of the coded symbols. In this paper, the soft estimates for a high QAM order are derived and explained.\",\"PeriodicalId\":338255,\"journal\":{\"name\":\"2017 International Symposium on Signals, Circuits and Systems (ISSCS)\",\"volume\":\"23 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 International Symposium on Signals, Circuits and Systems (ISSCS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISSCS.2017.8034868\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 International Symposium on Signals, Circuits and Systems (ISSCS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSCS.2017.8034868","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Soft estimates for doubly iterative decoding of space-time turbo codes using M-ary Quadrature Amplitude Modulation
Quadrature Amplitude Modulation (QAM) is an important modulation scheme with many practical applications, including current and future wireless technologies. The performance of a mobile communication system can be improved by using a doubly iterative decoding scheme for space-time turbo codes with a large number of transmit and receive antennas, where the decoder uses preliminary soft values of the coded symbols. In this paper, the soft estimates for a high QAM order are derived and explained.
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