{"title":"A New Frequency Offset Estimation Algorithm for Transmissions over Frequency Selective Channels","authors":"Xing Chen, Weilin Wu","doi":"10.1109/ICWMC.2006.8","DOIUrl":null,"url":null,"abstract":"The accurate estimate of carrier frequency offset is crucial for the reliable data detection. This paper proposes a new frequency offset estimation algorithm for the downlink of TD-SCDMA system. It exploits the midamble of downlink time slots to provide maximum-likelihood (ML) estimate of the frequency offset. As it eliminates the multipath interference, the algorithm has the ability to resist the frequency-selective fading. The simulation results show the algorithm achieves good performance in multipath fading environments with low computation complexity.","PeriodicalId":387519,"journal":{"name":"International Conference on Wireless and Mobile Communications","volume":"150 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Conference on Wireless and Mobile Communications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICWMC.2006.8","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The accurate estimate of carrier frequency offset is crucial for the reliable data detection. This paper proposes a new frequency offset estimation algorithm for the downlink of TD-SCDMA system. It exploits the midamble of downlink time slots to provide maximum-likelihood (ML) estimate of the frequency offset. As it eliminates the multipath interference, the algorithm has the ability to resist the frequency-selective fading. The simulation results show the algorithm achieves good performance in multipath fading environments with low computation complexity.
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