Methods and apparatus used in nodes for wireless communications

Abstract

This application discloses a method and apparatus used in a node for wireless communication. The method includes a first node, which receives a first signaling, which includes a first set of configurations and a second set of configurations, which is a first signaling, the first signal being an RRC signaling, and the first signaling is for a first cell; it receives a second signaling, which is a second signaling, which is a physical layer signaling or a MAC layer signaling; and in response to receiving the second signaling, it performs a handover to the first cell, the handover to the first cell comprising activating the second set of configurations from the first set of configurations and the second set of configurations included in the first signaling, both of which are related to uplink transmission. This application enables rapid acquisition of uplink resources during cell handovers triggered at protocol layers below the RRC layer, thereby reducing downtime and signaling overhead.

Claims

1. A first node used for wireless communication, A first receiver that receives a first signaling, which includes a first set of components and a second set of components, wherein the first signaling is an RRC signaling and the first signaling is for a first cell, and a second signaling, which is a physical layer signaling or a MAC layer signaling. A first transceiver that performs a handover to the first cell in response to receiving the second signaling, The handover behavior to the first cell includes activating the second configuration set of the first and second configuration sets, which are included in the first signaling, and both the first and second configuration sets are related to uplink transmission, for the first node.

2. The first receiver, in response to the termination of the first timer, clears at least the uplink grant to the first cell, The first node according to claim 1, wherein the first configuration set is used to configure the uplink grant to the first cell.

3. The first node according to claim 1 or 2, wherein the second configuration set is used to configure uplink dynamic transmission of the first cell.

4. The first node according to any one of claims 1 to 3, wherein the termination of the first timer occurs after the first signaling and before the second signaling.

5. Prior to the second signaling, the first node does not receive air interface signaling to activate the uplink grant indicated by the first configuration set, and the air interface signaling is RRC signaling or DCI, the first node according to any one of claims 1 to 4.

6. The first node according to any one of claims 1 to 5, comprising the first receiver which performs a handover to acquire a first serving cell.

7. The first transceiver receives target signaling and transmits a target signal within a target time-frequency resource set, The first node according to any one of claims 1 to 6, wherein the target signaling is used to determine the target time-frequency resource set, and the second configuration set is used to determine the configuration parameters of the target signal.

8. The system includes the first transceiver which receives a third signaling and transmits a first signal within a first time-frequency resource set, The first node according to any one of claims 1 to 7, wherein the third signaling is used to activate the first configuration set for the first cell, the third signaling is an RRC signaling, and the first configuration set is used to determine the first time-frequency resource set.

9. A second node used for wireless communication, A first signaling, wherein the first signaling is an RRC signaling, and the first signaling is for a first cell, a first configuration set and A first transmitter comprises a first signaling that transmits a first signaling that includes a second set of components, and a second signaling that is a physical layer signaling or a MAC layer signaling. The recipient of the first signaling and the second signaling includes a first node, and in response to receiving the second signaling, the first node performs a handover to the first cell, the behavior of the handover to the first cell includes activating the second configuration set of the first and second configuration sets included in the first signaling, both of which are related to uplink transmission, to the second node.

10. The second node according to claim 9, comprising the first node which clears at least an uplink grant to the first cell in response to the termination of a first timer, wherein the first configuration set is used to configure the uplink grant to the first cell.

11. The second node according to claim 9 or 10, wherein the second configuration set is used to configure uplink dynamic transmission of the first cell.

12. The second node according to any one of claims 9 to 11, wherein the termination of the first timer occurs after the first signaling and before the second signaling.

13. Prior to the second signaling, the first node does not receive air interface signaling for activating the uplink grant indicated by the first configuration set, and the air interface signaling is RRC signaling or DCI, the second node according to any one of claims 9 to 12.

14. A second node according to any one of claims 9 to 13, comprising the first node which performs a handover to acquire a first serving cell.

15. A second node according to any one of claims 9 to 14, comprising a second transceiver that transmits target signaling and receives a target signal within a target time-frequency resource set, wherein the target signaling is used to determine the target time-frequency resource set, and the second configuration set is used to determine the configuration parameters of the target signal.

16. A second node according to any one of claims 9 to 15, comprising a second transceiver that transmits a third signaling and receives a first signal within a first time-frequency resource set, wherein the third signaling is used to activate the first configuration set for the first cell, the third signaling is an RRC signaling, and the first configuration set is used to determine the first time-frequency resource set.

17. A method used in a first node for wireless communication, Receiving a first signaling, wherein the first signaling is an RRC signaling, and the first signaling is for a first cell, includes a first set of components and a second set of components. Receiving a second signaling, wherein the second signaling is a physical layer signaling or a MAC layer signaling, The process includes, in response to receiving the second signaling, performing a handover to the first cell, The behavior of the handover to the first cell is included in the first signaling. A method comprising activating the second configuration set of the first and second configuration sets, wherein both the first and second configuration sets relate to uplink transmission.

18. The method according to claim 17, comprising clearing at least an uplink grant to the first cell in response to the termination of a first timer, wherein the first configuration set is used to configure the uplink grant to the first cell.

19. The method according to claim 17 or 18, wherein the second configuration set is used to configure uplink dynamic transmission of the first cell.

20. The method according to any one of claims 17 to 19, wherein the termination of the first timer occurs after the first signaling and before the second signaling.

21. The method according to any one of claims 17 to 20, wherein, prior to the second signaling, the first node does not receive air interface signaling for activating the uplink grant indicated by the first configuration set, and the air interface signaling is RRC signaling or DCI.

22. The method according to any one of claims 17 to 21, comprising performing a handover to obtain a first serving cell.

23. The method according to any one of claims 17 to 22, comprising receiving a target signaling and transmitting a target signal within a target time-frequency resource set, wherein the target signaling is used to determine the target time-frequency resource set and the second configuration set is used to determine the configuration parameters of the target signal.

24. The method according to any one of claims 17 to 23, comprising receiving a third signaling and transmitting a first signal within a first time-frequency resource set, wherein the third signaling is used to activate the first configuration set for the first cell, the third signaling is an RRC signaling, and the first configuration set is used to determine the first time-frequency resource set.

25. A method used in a second node for wireless communication, Transmitting a first signaling, wherein the first signaling is an RRC signaling, and the first signaling is for a first cell, comprising a first configuration set and a second configuration set. The process includes transmitting a second signaling, wherein the second signaling is a physical layer signaling or a MAC layer signaling. A method wherein the recipient of the first signaling and the second signaling includes a first node, and in response to receiving the second signaling, the first node performs a handover to the first cell, the behavior of the handover to the first cell includes activating the second configuration set of the first and second configuration sets included in the first signaling, and both the first and second configuration sets relate to uplink transmission.

26. The first node, which clears at least an uplink grant to the first cell in response to the termination of a first timer, wherein the first configuration set is used to configure the uplink grant to the first cell, according to claim 25. Law.

27. The method according to claim 25 or 26, wherein the second configuration set is used to configure uplink dynamic transmission of the first cell.

28. The method according to any one of claims 25 to 27, wherein the termination of the first timer occurs after the first signaling and before the second signaling.

29. The method according to any one of claims 25 to 28, wherein, prior to the second signaling, the first node does not receive air interface signaling for activating the uplink grant indicated by the first configuration set, and the air interface signaling is RRC signaling or DCI.

30. The method according to any one of claims 25 to 29, comprising the first node performing a handover to acquire a first serving cell.

31. The method according to any one of claims 25 to 30, comprising transmitting a target signaling and receiving a target signal within a target time-frequency resource set, wherein the target signaling is used to determine the target time-frequency resource set, and the second configuration set is used to determine the configuration parameters of the target signal.

32. The method according to any one of claims 25 to 31, comprising transmitting a third signaling and receiving a first signal within a first time-frequency resource set, wherein the third signaling is used to activate the first configuration set for the first cell, the third signaling is an RRC signaling, and the first configuration set is used to determine the first time-frequency resource set.

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