{"title":"通过一种新的组合脉冲整形方案减少SC-FDMA的纸张","authors":"Naser Ahmadi Moghaddam, A. Sharafat","doi":"10.1109/ITU-WT.2016.7805718","DOIUrl":null,"url":null,"abstract":"Peak-to-average-power-ratio (PAPR) is an important parameter that affects the cost of end-user devices in next generation wireless networks. When PAPR is high, the end-user power amplifier's dynamic range should also be high, resulting in costly power amplifiers. Single-carrier frequency-division-multiple-access (SC-FDMA) is used as the air-interface in LTE-Advanced, and this paper proposes a novel and efficient technique for PAPR reduction via pulse shaping for interleaved-FDMA (IFDMA) subcarrier mapping in SC-FDMA. By way of simulations, we show that PAPR can be reduced by 2.11 dB for our novel pulse shaping compared to raised cosine (RC) pulse shaping with QPSK modulation.","PeriodicalId":393816,"journal":{"name":"2016 ITU Kaleidoscope: ICTs for a Sustainable World (ITU WT)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Papr reduction in SC-FDMA via a novel combined pulse-shaping scheme\",\"authors\":\"Naser Ahmadi Moghaddam, A. Sharafat\",\"doi\":\"10.1109/ITU-WT.2016.7805718\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Peak-to-average-power-ratio (PAPR) is an important parameter that affects the cost of end-user devices in next generation wireless networks. When PAPR is high, the end-user power amplifier's dynamic range should also be high, resulting in costly power amplifiers. Single-carrier frequency-division-multiple-access (SC-FDMA) is used as the air-interface in LTE-Advanced, and this paper proposes a novel and efficient technique for PAPR reduction via pulse shaping for interleaved-FDMA (IFDMA) subcarrier mapping in SC-FDMA. By way of simulations, we show that PAPR can be reduced by 2.11 dB for our novel pulse shaping compared to raised cosine (RC) pulse shaping with QPSK modulation.\",\"PeriodicalId\":393816,\"journal\":{\"name\":\"2016 ITU Kaleidoscope: ICTs for a Sustainable World (ITU WT)\",\"volume\":\"69 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2016 ITU Kaleidoscope: ICTs for a Sustainable World (ITU WT)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ITU-WT.2016.7805718\",\"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 ITU Kaleidoscope: ICTs for a Sustainable World (ITU WT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ITU-WT.2016.7805718","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Papr reduction in SC-FDMA via a novel combined pulse-shaping scheme
Peak-to-average-power-ratio (PAPR) is an important parameter that affects the cost of end-user devices in next generation wireless networks. When PAPR is high, the end-user power amplifier's dynamic range should also be high, resulting in costly power amplifiers. Single-carrier frequency-division-multiple-access (SC-FDMA) is used as the air-interface in LTE-Advanced, and this paper proposes a novel and efficient technique for PAPR reduction via pulse shaping for interleaved-FDMA (IFDMA) subcarrier mapping in SC-FDMA. By way of simulations, we show that PAPR can be reduced by 2.11 dB for our novel pulse shaping compared to raised cosine (RC) pulse shaping with QPSK modulation.
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