Methods, second node and apparatus for determining clock asynchronization

A method for facilitating a determination of asynchronization between a first clock used by a first node and a second clock used by a second node, the method comprising:

• periodically sending, by the second node, a sequence of signals to the first node, to facilitate the first node to measure a sequence of time differences based on a sequence of signals, each time difference of a signal being between a respective transmission timestamp in accordance with the second clock and a respective receiving timestamp in accordance with the first clock;
• and
• facilitating the first node to estimate at least one of a relative phase offset and a relative frequency offset between the first and the second clock based on the sequence of time differences.

-26. (canceled)

An apparatus comprising processing circuitry configured to:

• measure a sequence of time differences based on a sequence of signals periodically sent by a second node and received by a first node, each time difference of a signal being between a respective transmission timestamp in accordance with the second clock and a respective receiving timestamp in accordance with the first clock;
• and
• estimate at least one of a relative phase offset and a relative frequency offset between the first and the second clock based on the sequence of time differences.

A second node comprising processing circuitry configured to:

• periodically send a sequence of signals to the first node, to facilitate the first node to measure a sequence of time differences based on a sequence of signals, each time difference of a signal being between a respective transmission timestamp in accordance with the second clock and a respective receiving timestamp in accordance with the first clock;
• and
• facilitate the first node to estimate at least one of a relative phase offset and a relative frequency offset between the first and the second clock based on the sequence of time differences.

(canceled)

(canceled)