Title :
Turbo-PRML: a compromise EPRML detector
Author_Institution :
IBM AdStar, San Jose, CA, USA
fDate :
11/1/1993 12:00:00 AM
Abstract :
Extended partial-response maximum-likelihood (EPRML) detection outperforms PRML on very high density magnetic recording channels. However, EPRML detection is much more complex than PRML and is difficult to implement at high data rates. Turbo-PRML is a compromise EPRML detector which comprises a conventional PRML detector plus a digital circuit operating on the PRML outputs. A bit-by-bit simulation is presented that confirms the expected performance gains over PRML
Keywords :
magnetic recording; maximum likelihood estimation; signal detection; EPRML detector; bit-by-bit simulation; digital circuit; extended partial response maximum likelihood detection; high density magnetic recording channels; signal to noise ratio; turbo PRML; Adders; Circuit simulation; Detectors; Digital circuits; Disk drives; Disk recording; Magnetic recording; Maximum likelihood detection; Performance gain; Timing;
Journal_Title :
Magnetics, IEEE Transactions on
