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Conference Paper
Selective Layered BP Decoding for low-latency NR LDPC Codes
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- Authors
- Chanho Yoon, Woncheol Cho, Young-Jo Ko
- Issue Date
- 2022-10
- Citation
- International Conference on Information and Communication Technology Convergence (ICTC) 2022, pp.560-562
- Language
- English
- Type
- Conference Paper
- Project Code
- 22HH1300, Speciality Laboratory for Wireless Backhaul Communications based on Very High Frequency, Ko Young Jo
- Abstract
- In this paper, we propose selective layered BP decoding approach for decoding 3GPP NR rate compatible punctured LDPC codes that eliminates the ambiguity of BP decoding for information bit punctured codes. Conventional BP or layered BP decoding approach for NR LDPC codes does not perform well in frequency selective fading channels, and, with the sub iteration applying to the sub matrix portion, the proposed SL layered BP decoding improves the performance drastically. We show that faster decoding speed by applying the proposed scheme to the 3GPP NR LDPC code is achieved in terms of decoding latency.
- KSP Keywords
- Frequency Selective Fading Channels, LDPC codes, Low latency, rate compatible