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A two-path tree search algorithm for use with DFE

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2 Author(s)
Xiaodong Wang ; Dept. of Electr. & Comput. Eng., California Univ., Davis, CA, USA ; R. R. Spencer

The two-path tree search is a detection algorithm that improves the performance of standard decision-feedback equalizer detectors by examining two likely paths through the decision tree. The method achieves about 1-dB improvement over standard decision-feedback equalization for typical magnetic recording channels used in hard disk drives. The implementation complexity is modest and is compared with other improved decision-feedback structures

Published in:

IEEE Transactions on Communications  (Volume:48 ,  Issue: 6 )