Signal space detection in colored noise

Author

Stromberg, Guido ; Hassner, Martin ; Schwiegelshohn, Uwe

Author_Institution

Dept. of Comput. Eng., Dortmund Univ., Germany

Volume

36

Issue

3

fYear

2000

fDate

5/1/2000 12:00:00 AM

Firstpage

604

Lastpage

612

Abstract

An appropriate adaption of the decision boundaries of the well-known signal space detector (SSD) yields a detector that whitens the input noise in the detector forward path. This new detector, called a whitening signal space detector (WSSD), offers higher reliability without increasing the dimensionality of the signal space. A WSSD can be designed by applying a transformation into the ordinary SSD case. We use the new concept to design a WSSD based on three-dimensional 110 equalization and demonstrate its feasibility and performance. The detector can be implemented with a small increase of hardware and offers a significant improvement in terms of bit error rate, especially at low to moderate channel densities

Keywords

discrete time systems; equalisers; magnetic recording noise; signal detection; tree searching; white noise; colored noise; decision boundaries; detector forward path; discrete-time channel; error rate; fixed delay tree search; low channel density; magnetic recording; moderate channel density; reliability; signal space detection; three-dimensional 110 equalization; transformation; whitening signal space detector; Adaptive signal detection; Bit error rate; Colored noise; Delay; Detectors; Finite impulse response filter; Hardware; Intersymbol interference; Signal detection; Tail;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.846225

Filename

846225