{"title":"Joint DoA and TDoA Estimation for mmWave Communications Using Zadoff-Chu Sequence","authors":"Seungnyun Kim, B. Shim","doi":"10.1109/ICTC55196.2022.9952779","DOIUrl":null,"url":null,"abstract":"In this paper, we propose a joint DoA and TDoA estimation algorithm for mmWave communications. The key idea of proposed scheme is to use the pilot signal generated from the Zadoff-Chu sequence. Zadoff-Chu sequence is a type of constant amplitude zero auto-correlation (CAZAC) sequence that has a circular auto-correlation property. Using this property, we can effectively determine the time delay of multi-path signals. Also, by applying the maximum likelihood (ML) estimation at the Zadoff-Chu pilot measurements, we can acquire high resolution DoAs and corresponding path gains.","PeriodicalId":441404,"journal":{"name":"2022 13th International Conference on Information and Communication Technology Convergence (ICTC)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 13th International Conference on Information and Communication Technology Convergence (ICTC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICTC55196.2022.9952779","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In this paper, we propose a joint DoA and TDoA estimation algorithm for mmWave communications. The key idea of proposed scheme is to use the pilot signal generated from the Zadoff-Chu sequence. Zadoff-Chu sequence is a type of constant amplitude zero auto-correlation (CAZAC) sequence that has a circular auto-correlation property. Using this property, we can effectively determine the time delay of multi-path signals. Also, by applying the maximum likelihood (ML) estimation at the Zadoff-Chu pilot measurements, we can acquire high resolution DoAs and corresponding path gains.
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