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Iterative Concatenated Coding Scheme for Staggered Bit-Patterned Media Recording엇갈린 형태의 비트 패턴드 미디어 기록장치를 위한 반복적 연접 부호 방식
- Other Titles
- 엇갈린 형태의 비트 패턴드 미디어 기록장치를 위한 반복적 연접 부호 방식
- Issue Date
- Jan-2020
- Publisher
- 한국통신학회
- Keywords
- Bit-patterned media recording; concatenated code; iterative decoding; low-density parity check code; soft output Viterbi algorithm.; 비트 패턴드 미디어 기록장치; 연접 부호; 반복적 디코딩; 저밀도 패리티 체크 부호; 연판정 출력비터비 알고리즘
- Citation
- 한국통신학회논문지, v.45, no.1, pp.7 - 12
- Journal Title
- 한국통신학회논문지
- Volume
- 45
- Number
- 1
- Start Page
- 7
- End Page
- 12
- ISSN
- 1226-4717
- Abstract
- The layout of bit islands in bit-patterned media recording (BPMR) can be arranged in various structures such as regular- and staggered-array bit patterns according to the lithography approach. The main difference between the regular- and staggered-array bit patterns is the effect of inter-track interference. In this paper, we propose an iterative concatenated coding scheme using the three-path soft output Viterbi algorithm for a staggered BPMR system. The proposed concatenated coding scheme, which consists of inner and outer low-density parity check (LDPC) codes, can help improve the performance of BPMR because of the iteration between the inner and outer codes using extrinsic information.
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Related Researcher
- Lee, Jae jin
- College of Information Technology (Department of Electronic Engineering)