{"title":"基于正交仿射预编码器的MIMO-OFDM系统的PAPR分析","authors":"E. Sharma, H. B. Mishra, K. Vasudevan","doi":"10.1109/INDICON.2016.7839003","DOIUrl":null,"url":null,"abstract":"Precoder matrices are used in various contexts in the MIMO-OFDM systems. In particular, orthogonal affine precoder (OAP) is used in superimposed training (ST) based MIMO-OFDM system to nullify the data training interference. Precoders are also used to reduce the peak to average power ratio (PAPR) of MIMO-OFDM. In general, the OAP does not reduce the PAPR. In this paper a ZC based OAP is proposed that has lower PAPR compared to random OAPs. We also derive the distribution of PAPR considering ST based MIMO-OFDM systems which uses ZC based OAP and compare with the simulation results.","PeriodicalId":283953,"journal":{"name":"2016 IEEE Annual India Conference (INDICON)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"PAPR analysis of superimposed training based MIMO-OFDM systems using an orthogonal affine precoder\",\"authors\":\"E. Sharma, H. B. Mishra, K. Vasudevan\",\"doi\":\"10.1109/INDICON.2016.7839003\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Precoder matrices are used in various contexts in the MIMO-OFDM systems. In particular, orthogonal affine precoder (OAP) is used in superimposed training (ST) based MIMO-OFDM system to nullify the data training interference. Precoders are also used to reduce the peak to average power ratio (PAPR) of MIMO-OFDM. In general, the OAP does not reduce the PAPR. In this paper a ZC based OAP is proposed that has lower PAPR compared to random OAPs. We also derive the distribution of PAPR considering ST based MIMO-OFDM systems which uses ZC based OAP and compare with the simulation results.\",\"PeriodicalId\":283953,\"journal\":{\"name\":\"2016 IEEE Annual India Conference (INDICON)\",\"volume\":\"30 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2016 IEEE Annual India Conference (INDICON)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/INDICON.2016.7839003\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE Annual India Conference (INDICON)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/INDICON.2016.7839003","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
PAPR analysis of superimposed training based MIMO-OFDM systems using an orthogonal affine precoder
Precoder matrices are used in various contexts in the MIMO-OFDM systems. In particular, orthogonal affine precoder (OAP) is used in superimposed training (ST) based MIMO-OFDM system to nullify the data training interference. Precoders are also used to reduce the peak to average power ratio (PAPR) of MIMO-OFDM. In general, the OAP does not reduce the PAPR. In this paper a ZC based OAP is proposed that has lower PAPR compared to random OAPs. We also derive the distribution of PAPR considering ST based MIMO-OFDM systems which uses ZC based OAP and compare with the simulation results.
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