{"title":"具有多个功率放大器的5G无线系统的多项式存储器预失真","authors":"Avi Sulimarski, O. Avraham, J. Stein, D. Lipshitz","doi":"10.1109/WMCAS.2018.8400645","DOIUrl":null,"url":null,"abstract":"This paper presents a novel technique, based on digital signal processing, for nonlinear modeling and pre-distortion of multiple parallel power amplifiers in a beam-forming transmitter. By jointly estimating a mutual pre-distortion function that effectively compensates for the distortions experienced in the entire transmission system, the proposed method optimizes performance for a single digital pre-distortion system. This method exhibits superior performance of up to 5dB in EVM and PSD in transmitter KPI compared to the standard method, where the multiple PAs are pre-distorted using digital pre-distortion derived from a single arbitrary PA.","PeriodicalId":254840,"journal":{"name":"2018 Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Polynomial memory pre distortion for 5G wireless systems with multiple power amplifiers\",\"authors\":\"Avi Sulimarski, O. Avraham, J. Stein, D. Lipshitz\",\"doi\":\"10.1109/WMCAS.2018.8400645\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents a novel technique, based on digital signal processing, for nonlinear modeling and pre-distortion of multiple parallel power amplifiers in a beam-forming transmitter. By jointly estimating a mutual pre-distortion function that effectively compensates for the distortions experienced in the entire transmission system, the proposed method optimizes performance for a single digital pre-distortion system. This method exhibits superior performance of up to 5dB in EVM and PSD in transmitter KPI compared to the standard method, where the multiple PAs are pre-distorted using digital pre-distortion derived from a single arbitrary PA.\",\"PeriodicalId\":254840,\"journal\":{\"name\":\"2018 Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS)\",\"volume\":\"40 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-04-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/WMCAS.2018.8400645\",\"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 Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WMCAS.2018.8400645","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Polynomial memory pre distortion for 5G wireless systems with multiple power amplifiers
This paper presents a novel technique, based on digital signal processing, for nonlinear modeling and pre-distortion of multiple parallel power amplifiers in a beam-forming transmitter. By jointly estimating a mutual pre-distortion function that effectively compensates for the distortions experienced in the entire transmission system, the proposed method optimizes performance for a single digital pre-distortion system. This method exhibits superior performance of up to 5dB in EVM and PSD in transmitter KPI compared to the standard method, where the multiple PAs are pre-distorted using digital pre-distortion derived from a single arbitrary PA.
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