A new burst detection scheme using parity check matrix of LDPC code for bit flipping burst-like signal degradation

Yasuaki Nakamura, Mitsuhiro Nishimura, Yoshihiro Okamoto, Hisashi Osawa, Hiroaki Muraoka

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

In this paper, a new burst detection method using the check matrix of low-density parity-check (LDPC) code is proposed. The burst detection for the bit flipping burst-like signal degradation which the conventional burst detection using a reproducing waveform, an equalizer output, an a posteriori probability (APP) decoder output and so on cannot detect is studied. The performance of the LDPC coding and iterative decoding system with the proposed burst detector is evaluated by computer simulation for a perpendicular magnetic recording channel with bit flipping burst-like signal degradation, and it is compared with that of the RS encoding and decoding system using the erasure correction. The results show that the LDPC coding and iterative decoding system with our burst detector shows the better performance and has the resistance to the bit flipping burst-like signal degradation of about 1500 bits.

Original languageEnglish
Pages (from-to)3773-3776
Number of pages4
JournalIEEE Transactions on Magnetics
Volume44
Issue number11 PART 2
DOIs
Publication statusPublished - 2008 Nov

Keywords

  • Burst detection
  • Burst-like signal degradation
  • Low-density parity-check (LDPC) code
  • Perpendicular magnetic recording (PMR)

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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