{"title":"新兴5G新无线蜂窝系统的信道估计器设计","authors":"Rakesh Munagala, Rohit Budhiraja","doi":"10.1109/NCC48643.2020.9056078","DOIUrl":null,"url":null,"abstract":"The 5G new radio (NR) cellular system transmits demodulation reference signals (DM-RS) for a user to estimate precoded channel. The DM-RS can be optionally transmitted at various orthogonal frequency division multiplexing (OFDM) symbols. The 5G NR specifications does not explicitly tell how many DM-RS should be used, and needs to be decided by system designers. This work designs various channel estimators for the DM-RS, and based on the MSE performance, proposes an algorithm to decide the number of DM-RS required at a particular user speed.","PeriodicalId":183772,"journal":{"name":"2020 National Conference on Communications (NCC)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Channel Estimator Designs For Emerging 5G New Radio Cellular Systems\",\"authors\":\"Rakesh Munagala, Rohit Budhiraja\",\"doi\":\"10.1109/NCC48643.2020.9056078\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The 5G new radio (NR) cellular system transmits demodulation reference signals (DM-RS) for a user to estimate precoded channel. The DM-RS can be optionally transmitted at various orthogonal frequency division multiplexing (OFDM) symbols. The 5G NR specifications does not explicitly tell how many DM-RS should be used, and needs to be decided by system designers. This work designs various channel estimators for the DM-RS, and based on the MSE performance, proposes an algorithm to decide the number of DM-RS required at a particular user speed.\",\"PeriodicalId\":183772,\"journal\":{\"name\":\"2020 National Conference on Communications (NCC)\",\"volume\":\"42 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-02-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2020 National Conference on Communications (NCC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NCC48643.2020.9056078\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 National Conference on Communications (NCC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NCC48643.2020.9056078","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Channel Estimator Designs For Emerging 5G New Radio Cellular Systems
The 5G new radio (NR) cellular system transmits demodulation reference signals (DM-RS) for a user to estimate precoded channel. The DM-RS can be optionally transmitted at various orthogonal frequency division multiplexing (OFDM) symbols. The 5G NR specifications does not explicitly tell how many DM-RS should be used, and needs to be decided by system designers. This work designs various channel estimators for the DM-RS, and based on the MSE performance, proposes an algorithm to decide the number of DM-RS required at a particular user speed.
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