A CMOS two-path tree search detector

A CMOS two-path tree search detector

Two-path tree search (TPTS) is a detection algorithm combining a decision-feedback equalizer and a two-path tree search estimator. This sub-optimal tree search overcomes the exponential increase in hardware complexity with tree length in a fixed-delay tree search structure. An adaptive mixed-signal...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:IEEE journal of solid-state circuits 2000-06, Vol.35 (6), p.816-825
Hauptverfasser: Xiaodong Wang, Spencer, R.R.
Format: Artikel
Sprache:eng
Schlagworte:
Bit error rate
Channels
CMOS
Decision feedback equalizers
Detection algorithms
Detectors
Disk drives
Equalization
Finite impulse response filter
Hardware
Intersymbol interference
Maximum likelihood detection
Maximum likelihood estimation
Noise levels
Searching
Signal to noise ratio
Trees
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:Two-path tree search (TPTS) is a detection algorithm combining a decision-feedback equalizer and a two-path tree search estimator. This sub-optimal tree search overcomes the exponential increase in hardware complexity with tree length in a fixed-delay tree search structure. An adaptive mixed-signal CMOS TPTS detector is presented in this paper. The integrated circuit occupies 2.77 mm by 2.44 mm (including the bonding pads) in a 0.6 /spl mu/m CMOS process. It performs about 0.8 dB better than a conventional decision-feedback equalization for a disk drive read channel.
ISSN:0018-9200
1558-173X
DOI:10.1109/4.845185