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Modified Uplink Adaptive Algorithm for PRACH on 5G-NR Systems
- Issue Date
- Apr-2020
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- 3GPP; DCT-LMS; ICS Repeater; On-Channel Repeater; PRACH
- Citation
- 2020 International Conference on Electronics, Information, and Communication, ICEIC 2020
- Journal Title
- 2020 International Conference on Electronics, Information, and Communication, ICEIC 2020
- ISSN
- 0000-0000
- Abstract
- In a 3GPP-based system such as 4G-LTE and 5G-NR, a UE transmits a PRACH (Preamble Random Access Channel) signal in the initial connection with a base station. As a result, the interference canceling repeater suddenly receives a high-power narrow-band signal continuously in a no user signal state, so that the interference cancellation algorithm may malfunction and the system is likely to cause oscillation. In this paper, we propose an adaptive algorithm that can maintain the interference cancellation function without oscillation even for narrow band input with an abrupt change of the spectrum and power. © 2020 IEEE.
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Related Researcher
- Hong, Seng mo
- College of Information Technology (Department of IT Convergence)