Title :
A post-DFE path comparison detection algorithm
Author :
Wang, Xiaodong ; Spencer, Richard R.
Author_Institution :
California Univ., Davis, CA, USA
Abstract :
A new detection algorithm combining a DFE and a two-path tree search estimator (TPTS) is discussed. The DFE provides an adjustable polynomial to use in the tree search, which provides a performance advantage over fixed coefficient polynomials. Making use of the DFE output, a two-path tree search is carried our instead of a fixed-delay tree search (FDTS). We show that the TPTS is simpler to implement than other sub-optimal detectors with comparable performance
Keywords :
decision feedback equalisers; maximum likelihood detection; polynomials; tree searching; FIR filter; MLSD; adjustable polynomial; correction filter; feedback filter; fixed coefficient polynomials; maximum-likelihood sequence detection; optimum coefficient values; performance; post-DFE path comparison detection algorithm; sub-optimal detectors; two-path tree search estimator; Bit error rate; Decision feedback equalizers; Detection algorithms; Detectors; Finite impulse response filter; Intersymbol interference; Magnetic noise; Magnetic recording; Maximum likelihood detection; Polynomials;
Conference_Titel :
Communication Technology Proceedings, 1998. ICCT '98. 1998 International Conference on
Conference_Location :
Beijing
Print_ISBN :
7-80090-827-5
DOI :
10.1109/ICCT.1998.743115
