Bounds for low-density parity-check codes over partial-response channels

Author

Tan, Wei ; Todd, R.M. ; Cruz, J.R.

Author_Institution

Sch. of Electr. & Comput. Eng., Oklahoma Univ., Norman, OK, USA

fYear

2002

Abstract

Summary form only given. The application of low-density parity-check (LDPC) codes to magnetic recording systems motivates the search for analytical ways to evaluate system performance over partial-response (PR) channels. In this paper a technique proposed by Duman and Kurtas (IEEE Trans. Inform. Theory, vol. 47, pp. 1203-1205, 2001) is extended to bound the frame error rate (FER) of high-rate LDPC codes. We circumvent the requirement that the weight distribution of the underlying code must be known by using estimates (A. Ashikhmin et al, ibid., vol. 47, pp. 1050-1061, 2001). This new bounding technique is used to compute the bounds for geometrically constructed LDPC codes over PR channels. Simulations are used to evaluate the computed bounds.

Keywords

error statistics; magnetic recording; parameter estimation; parity check codes; partial response channels; LDPC codes; PR channels; bounding technique; frame error rate bounds; geometrically constructed LDPC codes; low-density parity-check code bounds; magnetic recording systems; partial-response channels; simulations; system performance; weight distribution estimates; Application software; Bit error rate; Computational modeling; Geometry; Linear code; Magnetic analysis; Magnetic recording; Parity check codes; Performance analysis; System performance;

fLanguage

English

Publisher

ieee

Conference_Titel

Magnetics Conference, 2002. INTERMAG Europe 2002. Digest of Technical Papers. 2002 IEEE International

Conference_Location

Amsterdam, The Netherlands

Print_ISBN

0-7803-7365-0

Type

conf

DOI

10.1109/INTMAG.2002.1001123

Filename

1001123