METHOD AND DEVICE USED IN COMMUNICATION NODE FOR WIRELESS COMMUNICATION

1 . A first node for wireless communications, comprising:

a first receiver, receiving multiple pieces of configuration sub-information, of which each piece of configuration sub-information comprises one execution condition and one configuration set, wherein the multiple pieces of configuration sub-information are used for Conditional Reconfiguration, the Conditional Reconfiguration comprises Conditional Handover (CHO), or the Conditional Reconfiguration comprises Conditional PSCell Change (CPC); and

a first transmitter, in instances when the execution condition in first configuration sub-information is fulfilled, applying the configuration set in the first configuration sub-information, and transmitting a first message;

the first receiver, in instances when a first condition set is fulfilled after transmitting the first message, maintaining a subset of the multiple pieces of configuration sub-information and releasing the first configuration sub-information, the subset of the multiple pieces of configuration sub-information at least comprising second configuration sub-information;

wherein the first configuration sub-information is any of the multiple pieces of configuration sub-information, and the second configuration sub-information is one of the multiple pieces of configuration sub-information other than the first configuration sub-information; the first configuration sub-information is associated with a first cell, while the second configuration sub-information is associated with a second cell; the first message is used to indicate completion of a radio link control reconfiguration; a condition in the first condition set comprises transmitting the first message; the action of maintaining a subset of the multiple pieces of configuration sub-information comprises: maintaining the subset of the multiple pieces of configuration sub-information stored in VarConditionalReconfig or VarConditionalReconfiguration; the maintaining includes not removing; the meaning includes removing.

2 . The first node according to claim 1 , comprising:

the first transmitter, in instances when the execution condition in first configuration sub-information is fulfilled, transmitting a second message; and

the first receiver, receiving a third message;

wherein the second message is used for a random access procedure; a condition in the first condition set comprises that the random access procedure is successfully completed; the third message being associated with a first identifier is used to determine that the random access procedure is successfully completed.

3 . The first node according to claim 1 , comprising:

the first transmitter, as a response to the action of maintaining a subset of the multiple pieces of configuration sub-information, transmitting first information; the first information indicates that the subset of the multiple pieces of configuration sub-information is maintained.

4 . The first node according to claim 3 , wherein the phrase that the first information indicates that the subset of the multiple pieces of configuration sub-information is maintained comprises: the first information explicitly indicates that the subset of the multiple pieces of configuration sub-information is maintained.

5 . The first node according to claim 3 , wherein the phrase that the first information indicates that the subset of the multiple pieces of configuration sub-information is maintained comprises: the first information implicitly indicates that the subset of the multiple pieces of configuration sub-information is maintained.

6 . The first node according to claim 1 , comprising:

the first receiver, receiving second information, the second information being used to indicate maintenance of the subset of the multiple pieces of configuration sub-information; a condition in the first condition set comprises the second information being received.

7 . The first node according to claim 6 , wherein the phrase that the second information is used to indicate maintenance of the subset of the multiple pieces of configuration sub-information comprises: the second information explicitly indicates maintenance of the subset of the multiple pieces of configuration sub-information.

8 . The first node according to claim 6 , wherein the second information comprises a field in an RRC message, the field in the RRC message comprises a field in CondReconfigToAddMod.

9 . The first node according to claim 1 , wherein the first condition set is related to at least one of a cell parameter of the first cell or a cell parameter of the second cell; the cell parameter comprises at least one of a cell type, or a cell altitude, or a cell orbit, or a cell delay or a cell ephemeris.

10 . The first node according to claim 9 , wherein a condition for fulfilling the first condition set comprises that the cell parameter of the second cell indicates that the second cell is an NTN cell.

11 . The first node according to claim 9 , wherein a condition for fulfilling the first condition set comprises that the cell parameter of the first cell indicates that the first cell is an NTN cell and that the cell parameter of the second cell indicates that the second cell is an NTN cell.

12 . The first node according to claim 1 , wherein the execution condition is related to a first threshold; and the first threshold is time-related.

13 . The first node according to claim 1 , wherein the execution condition is related to a first threshold; and the first threshold is position-related.

14 . The first node according to claim 1 , comprising:

the first receiver, receiving a first signaling, the first signaling indicating a first time length; when the subset of the multiple pieces of configuration sub-information is maintained for up to the first time length, releasing the subset of the multiple pieces of configuration sub-information;

wherein the first time length comprises a positive integer number of slots.

15 . The first node according to claim 1 , comprising:

the first receiver, receiving third configuration sub-information; as a response to the action of receiving the third configuration sub-information, releasing the subset of the multiple pieces of configuration sub-information;

wherein the third configuration sub-information comprises one execution condition and one configuration set, and the third configuration sub-information is different from any of the multiple pieces of configuration sub-information, the third configuration sub-information being associated with a third cell.

16 . A second node for wireless communications, comprising:

a second transmitter, transmitting multiple pieces of configuration sub-information, of which each piece of configuration sub-information comprises one execution condition and one configuration set, wherein the multiple pieces of configuration sub-information are used for Conditional Reconfiguration, the Conditional Reconfiguration comprises Conditional Handover (CHO), or the Conditional Reconfiguration comprises Conditional PSCell Change (CPC);

wherein when the execution condition in first configuration sub-information is fulfilled, the configuration set in the first configuration sub-information is applied and a first message is transmitted; when a first condition set is fulfilled after transmission of the first message, a subset of the multiple pieces of configuration sub-information is maintained and the first configuration sub-information is released, the subset of the multiple pieces of configuration sub-information at least comprises second configuration sub-information; the first configuration sub-information is any of the multiple pieces of configuration sub-information, and the second configuration sub-information is one of the multiple pieces of configuration sub-information other than the first configuration sub-information; the first configuration sub-information is associated with a first cell, while the second configuration sub-information is associated with a second cell; the first message is used to indicate completion of a radio link control reconfiguration; a condition in the first condition set comprises transmitting the first message; the action of maintaining a subset of the multiple pieces of configuration sub-information comprises: maintaining the subset of the multiple pieces of configuration sub-information stored in VarConditionalReconfig or VarConditionalReconfiguration; the maintaining includes not removing; the meaning includes removing.

17 . The second node according to claim 16 , comprising:

the second transmitter, transmitting second information, the second information being used to indicate maintenance of the subset of the multiple pieces of configuration sub-information; a condition in the first condition set comprises the second information being received.

18 . The second node according to claim 17 , wherein the second information comprises a field in an RRC message, the field in the RRC message comprises a field in CondReconfigToAddMod.

19 . The second node according to claim 16 , wherein the execution condition is related to a first threshold; and the first threshold is time-related.

20 . A method in a first node for wireless communications, comprising:

receiving multiple pieces of configuration sub-information, of which each piece of configuration sub-information comprises one execution condition and one configuration set, wherein the multiple pieces of configuration sub-information are used for Conditional Reconfiguration, the Conditional Reconfiguration comprises Conditional Handover (CHO), or the Conditional Reconfiguration comprises Conditional PSCell Change (CPC); and

in instances when the execution condition in first configuration sub-information is fulfilled, applying the configuration set in the first configuration sub-information, and transmitting a first message;

in instances when a first condition set is fulfilled after transmitting the first message, maintaining a subset of the multiple pieces of configuration sub-information and releasing the first configuration sub-information, the subset of the multiple pieces of configuration sub-information at least comprising second configuration sub-information;

wherein the first configuration sub-information is any of the multiple pieces of configuration sub-information, and the second configuration sub-information is one of the multiple pieces of configuration sub-information other than the first configuration sub-information; the first configuration sub-information is associated with a first cell, while the second configuration sub-information is associated with a second cell; the first message is used to indicate completion of a radio link control reconfiguration; a condition in the first condition set comprises transmitting the first message; the action of maintaining a subset of the multiple pieces of configuration sub-information comprises: maintaining the subset of the multiple pieces of configuration sub-information stored in VarConditionalReconfig or VarConditionalReconfiguration; the maintaining includes not removing; the meaning includes removing.