Uplink Adaptive Algorithm for Interference Cancellation Repeater Based on 4G-LTE and 5G-NR Systems 


Vol. 44,  No. 11, pp. 2078-2081, Nov.  2019
10.7840/kics.2019.44.11.2078


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  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 non-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 sudden change of the signal band spectrum and power.

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  Cite this article

[IEEE Style]

S. Hong and C. Kim, "Uplink Adaptive Algorithm for Interference Cancellation Repeater Based on 4G-LTE and 5G-NR Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 11, pp. 2078-2081, 2019. DOI: 10.7840/kics.2019.44.11.2078.

[ACM Style]

Seungmo Hong and Chonghoon Kim. 2019. Uplink Adaptive Algorithm for Interference Cancellation Repeater Based on 4G-LTE and 5G-NR Systems. The Journal of Korean Institute of Communications and Information Sciences, 44, 11, (2019), 2078-2081. DOI: 10.7840/kics.2019.44.11.2078.

[KICS Style]

Seungmo Hong and Chonghoon Kim, "Uplink Adaptive Algorithm for Interference Cancellation Repeater Based on 4G-LTE and 5G-NR Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 11, pp. 2078-2081, 11. 2019. (https://doi.org/10.7840/kics.2019.44.11.2078)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880