Design and Analysis of Spatially Coupled Protograph LDPC Codes for Two-Dimensional Magnetic Recording Systems

被引：0
|
作者：
Yang, Zhaojie [1 ]
Fang, Yi [1 ]
Kong, Lingjun [2 ]
Zhang, Guohua [3 ]
Han, Guojun [1 ]
机构：
[1] Guangdong Univ Technol, Guangzhou 510006, Guangdong, Peoples R China
[2] Nanjing Univ Posts & Commun, Nanjing 210044, Jiangsu, Peoples R China
[3] China Acad Space Technol Xian, Xian 710100, Shaanxi, Peoples R China
来源：
2018 ASIA-PACIFIC MAGNETIC RECORDING CONFERENCE (APMRC) | 2018年
关键词：
Extrinsic information transfer; Turbo Detection; spatially coupled protograph codes; magnetic recording channels;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a turbo-like extrinsic information transfer (EXIT) algorithm is proposed for two-dimensional magnetic recording (TDMR) systems. Based on the proposed turbo-like EXIT algorithm, we not only analyze the decoding threshold of spatially coupled protograph (SC-P) low-density parity-check (LDPC) codes over TDMR channels under turbo detection, but also conceive a design methodology to construct capacity-approaching terminated SC-P codes. Compared with the original protograph codes, the terminated SC-P codes possess desirable performance gains in both low and high signal-to-noise ratio (SNR) regions.
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页数：2
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