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Phase synchronization

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Definition Edit

Phase synchronization is

implies that all associated nodes have access to reference timing signals whose significant events occur at the same instant (within the relevant phase accuracy requirement). In other words, the term phase synchronization refers to the process of aligning clocks with respect to phase (phase alignment).[1]

Overview Edit

"Phase synchronization includes compensation for delay between the (common) source and the associated nodes."[2]

"This term might also include the notion of frame timing (that is, the point in time when the time slot of an outgoing frame is to be generated)."[3]

"The concept of phase synchronization (phase alignment) should not be confused with the concept of phase-locking where a fixed phase offset is allowed to be arbitrary and unknown. Phase alignment implies that this phase offset is nominally zero. Two signals which are phase-locked are implicitly frequency synchronized. Phase-alignment and phase-lock both imply that the time error between any pair of associated nodes is bounded."[4]

References Edit

  1. Framework for Cyber-Physical Systems, at 15.
  2. Id.
  3. Id.
  4. Id.

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