| 摘要 |
Low complexity signal-space detection can be applied to a variety of systems, e.g., data storage systems, data communication systems, DVD systems, systems that use media subject to a d=2 minimum run-length constraint, etc. The signal-space detector/method estimates a channel input symbol based on a finite number of observation samples. For example, in the binary input case, the signal-space detector divides a multidimensional space into two disjoint regions corresponding to opposite symbol decisions. The detection system/method determines in which region the observation vector falls and releases a corresponding hard decision, e.g., a binary symbol decision. Further, a soft decision can be provided that measures the reliability of the symbol decision.
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