An adaptive linear equalizer with optimum filter length and decision delay
Gong, Y. (2006) An adaptive linear equalizer with optimum filter length and decision delay. In: 7th International Conference on Mathematics in Signal Processing, 18-20 September 2006, The Royal Agricultural College, Cirencester, UK.
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The power of an adaptive equalizer is maximized when the structural parameters including the tap-length and decision delay can be optimally chosen. Although the method for adjusting either the tap-length or decision delay has been proposed, adjusting both simultaneously becomes much more involved as they interact with each other. In this paper, this problem is solved by putting a linear prewhitener before the equalizer, with which the equivalent channel becomes maximum-phase. This implies that the optimum decision delay can be simply ¯xed at the tap-length minus one, while the tap-length can then be chosen using a similar approach as that proposed in our previous work.