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Conference Paper
Improved Timing Accuracy by Upsampling in Wireless OFDM Systems
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- Authors
- Kapseok Chang, Junhyeong Kim, Yongsun Kim, Young-Jo Ko
- Issue Date
- 2022-10
- Citation
- International Conference on Information and Communication Technology Convergence (ICTC) 2022, pp.1882-1886
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- 6G expected to be commercialized around 2030 will provide not only a new telepresence service with a data rate of Tbps but also an ultra-high precision positioning service with a cm-level accuracy. In a timing-based positioning, achieving a cm-level accuracy typically requires a bandwidth of GHz. Support of such a highly accurate positioning with a minimum bandwidth possible would be beneficial since it can allow more radio resources for other broadband services. In this study, we describe an upsampling-based frequency-efficient time synchronization method in a wireless OFDM system and provide a detailed analysis of some of the important factors affecting timing accuracy.