A multilevel approach to the design of DC-free line codes

Author

Calderbank, A.R. ; Herro, Mark A. ; Telang, Vivek

Author_Institution

AT&T Bell Lab., Murray Hill, NJ, USA

Volume

35

Issue

3

fYear

1989

fDate

5/1/1989 12:00:00 AM

Firstpage

579

Lastpage

583

Abstract

A multilevel approach to the design of DC-free line codes is presented. The different levels can be used for different purposes, for example, to control the maximum accumulated charge or to guarantee a certain minimum distance. The advantages of codes designed by this method over similar codes are the improved run-length/accumulated-charge parameters, higher transmission rate, and the systematic nature of the code construction. The multilevel structure allows the redundancy in the signal selection procedure to be allocated efficiently among the different levels. It also allows the use of suboptimal staged decoding procedures that have performance/complexity advantages over maximum-likelihood decoding

Keywords

decoding; encoding; error correction codes; DC-free line codes; error correcting codes; maximum accumulated charge; minimum distance; multilevel approach; redundancy; signal selection procedure; suboptimal staged decoding procedures; Decoding; Design methodology; Magnetic recording; Magnetization; Optical fibers; Optical pulses; Optical receivers; Optical recording; Pulse circuits; Voltage;

fLanguage

English

Journal_Title

Information Theory, IEEE Transactions on

Publisher

ieee

ISSN

0018-9448

Type

jour

DOI

10.1109/18.30980

Filename

30980