| 摘要 |
Methods are provided for compensating the electrical path delay imposed on signals traversing a repeater. In some embodiments, the repeater generates an output signal having an undelayed signal component. Detection of the undelayed signal component enables establishment of a low error timing reference. In other embodiments, the repeater superimposes a low level signature onto signals traversing the repeater. The signature includes embedded information, from which a receiver can determine an accurate time reference.
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