Leo Ki-Chun Fu

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Hardware complexity required for the implementation of E 2 PR4 magnetic read channel results in slower operation and increased area and power consumption. The Viterbi sequence detector for E 2 PR4 channel requires 16 states that could be realized as an array of 16 single step or two-step add-compare-select units. The method presented here reduces the(More)
—Detector hardware complexity of high-order partial response magnetic read channels is a major obstacle to high data rate operation and reduced area and power consumption. The method presented here reduces the complexity of single-step and two-step implementations of the Viterbi detector by applying a distance-enhancing code that eliminates some states from(More)
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