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학술대회 Early Termination Method for LDPC Codes Based on Majority-Voted Codeword
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저자
조은영, 이현재, 주효상, 윤찬호, 고영조, 김상효
발행일
202010
출처
International Conference on Information and Communication Technology Convergence (ICTC) 2020, pp.1484-1487
DOI
https://dx.doi.org/10.1109/ICTC49870.2020.9289302
협약과제
20HH1500, [전문연구실] 초정밀 서비스 실현을 위한 On-Time·On-Rate 무선액세스 및 광에지 클라우드 네트워킹 핵심기술 개발, 고영조
초록
In this paper, we propose an early termination method of sum-product algorithm for few-hundred-long low-density parity check codes. At low signal-to-noise ratio, by com-paring the decoded bits of current iteration with the majority-voted bits, we easily find few bits which seem correctable. With the small number of correctable bits even less than threshold, we give up the decoding at an early iteration. It is verified that the proposed scheme reduces at most 43% of unnecessary iterations compared with a conventional scheme.
키워드
early termination, low-density parity check codes, sum-product algorithm, ultra-reliable and low latency communications
KSP 제안 키워드
LDPC codes, Low Density Parity Check(LDPC), Low latency, Parity check codes, Signal noise ratio(SNR), Signal-to-Noise, Sum-product Algorithm, early termination method