Improving Decoding Performance of 5G NR PBCH by the Altering Subcarrier Mapping Scheme 


Vol. 46,  No. 10, pp. 1572-1577, Oct.  2021
10.7840/kics.2021.46.10.1572


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  Abstract

In 5G NR system, base stations periodically transmit physical broadcast channel (PBCH) carrying information such as a system frame number (SFN), subcarrier spacing and the location of demodulation reference signal (DMRS). A part of polar encoded PBCH data is repeated during a rate matching process before being mapped into subcarriers assigned to PBCH. In this paper, we propose a scheme to improve the decoding performance of PBCH channel by altering subcarrier mapping for PBCH. The proposed scheme offers better decoding performance without any increases in encoding and decoding complexities.

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  Cite this article

[IEEE Style]

J. Kim, S. Back, S. Choi, W. Oh, "Improving Decoding Performance of 5G NR PBCH by the Altering Subcarrier Mapping Scheme," The Journal of Korean Institute of Communications and Information Sciences, vol. 46, no. 10, pp. 1572-1577, 2021. DOI: 10.7840/kics.2021.46.10.1572.

[ACM Style]

Junseong Kim, Sungyeol Back, Suyong Choi, and Wangrok Oh. 2021. Improving Decoding Performance of 5G NR PBCH by the Altering Subcarrier Mapping Scheme. The Journal of Korean Institute of Communications and Information Sciences, 46, 10, (2021), 1572-1577. DOI: 10.7840/kics.2021.46.10.1572.

[KICS Style]

Junseong Kim, Sungyeol Back, Suyong Choi, Wangrok Oh, "Improving Decoding Performance of 5G NR PBCH by the Altering Subcarrier Mapping Scheme," The Journal of Korean Institute of Communications and Information Sciences, vol. 46, no. 10, pp. 1572-1577, 10. 2021. (https://doi.org/10.7840/kics.2021.46.10.1572)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880