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1. (WO2019032017) APPARATUSES AND METHODS FOR PERFORMING BEAM RECOVERY
Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

CLAIMS

1 . A method performed by a wireless device (10) for handling communication of the wireless device (10) in a wireless communication network (1 ), the method comprising

- performing (402) a beam recovery process of a selected beam upon beam failure detection, wherein the selected beam is associated to one cell of a configured set of cells, wherein the configured set of cells includes a primary cell and a set of neighbor cells.

2. The method according to claim 1 , further comprising

- sending (403) a message associated with the selected beam using an uplink resource configuration that belongs to the primary cell or any of the configured set of cells.

3. The method according to any of the claims 1 -2, further comprising

receiving (401 ) configuring data from the radio network node configuring the wireless device with the set of cells.

4. The method according to claims 3, wherein the configuring data comprises a

black list indicating cells where the wireless device is not allowed to perform beam recovery process.

5. The method according to any of the claims 3-4, wherein the configuring data

comprises a reference signal configuration and/or uplink resource configuration per configured cell or for all cells in the set of cells.

6. The method according to any of the claims 3-5, wherein the configuring data

comprises a relative threshold per cell defining when to select a cell of the set of neighbor cells relative the primary cell.

7. The method according to any of the claims 1 -6, wherein the primary cell is a

primary cell of a primary cell group or a primary secondary cell of a secondary cell group; and/or a neighbor cell in the set of neighbor cells is a non-serving cell or a serving cell that is a secondary cell.

8. A method performed by a radio network node (12) for handling communication of a wireless device (10) in a wireless communication network (1 ), the method comprising

- configuring (301 ) the wireless device (10) to perform a beam recovery process in one cell of a configured set of cells, wherein the configured set of cells includes a primary cell and a set of neighbor cells.

9. The method according to claim 8, further comprising

- detecting (302) that the wireless device (10) accesses a beam of a different cell, which cell is not provided by the radio network node; and

fetching (303) context of the wireless device (10).

10. The method according to any of the claims 8-9, wherein the set of neighbor cells is comprised in a list of cells of a same measurement object as the primary cell or are any cells of the same measurement object as the primary cell.

1 1 . The method according to any of the claims 8-10, wherein configuring the wireless device (10) to perform the beam recovery process in one cell of the configured set of cells comprises transmitting a black list indicating cells where the wireless device is not allowed to perform beam recovery process.

12. The method according to any of the claims 8-1 1 , wherein configuring the wireless device (10) to perform the beam recovery process in one cell of the configured set of cells comprises transmitting reference signal configuration and/or uplink resource configuration per configured cell or for all cells in the set of cells.

13. The method according to any of the claims 8-12, wherein configuring the wireless device (10) to perform the beam recovery process in one cell of the configured set of cells comprises transmitting a relative threshold per cell defining when to select a cell of the set of neighbor cells relative the primary cell.

14. The method according to any of the claims 8-13, wherein the primary cell is a primary cell of a primary cell group or a primary secondary cell of a secondary cell group; and/or a neighbor cell in the set of neighbor cells is a non-serving cell or a serving cell that is a secondary cell when the wireless device (10).

15. A radio network node (12) for handling communication of a wireless device (10) in a wireless communication network (1 ), wherein the radio network is configured to configure the wireless device (10) to perform a beam recovery process in one cell of a configured set of cells, wherein the configured set of cells includes a primary cell and a set of neighbor cells.

16. The radio network node (12) according to claim 15, wherein the radio network is further configured to

detect that the wireless device (10) accesses a beam of a different cell which cell is not provided by the radio network node; and

fetch context of the wireless device (10).

17. The radio network node (12) according to any of the claims 15-16, wherein the set of neighbor cells is comprised in a list of cells of a same measurement object as the primary cell, or are any cells of the same measurement object as the primary cell.

18. The radio network node (12) according to any of the claims 15-17, wherein the radio network node is configured to configure the wireless device (10) to perform the beam recovery process in one cell of the configured set of cells by

transmitting a black list indicating cells where the wireless device is not allowed to perform beam recovery process.

19. The radio network node (12) according to any of the claims 15-18, wherein the radio network node is configured to configure the wireless device (10) to perform the beam recovery process in one cell of the configured set of cells by

transmitting reference signal configuration and/or uplink resource configuration per configured cell or for all cells in the set of cells.

20. The radio network node (12) according to any of the claims 15-19, wherein the radio network node is configured to configure the wireless device (10) to perform the beam recovery process in one cell of the configured set of cells by

transmitting a relative threshold per cell defining when to select a cell of the set of neighbor cells relative the primary cell.

21 . The radio network node (12) according to any of the claims 15-20, wherein the primary cell is a primary cell of a primary cell group or a primary secondary cell of a secondary cell group; and/or a neighbor cell in the set of neighbor cells is a non- serving cell or a serving cell that is a secondary cell.

22. A wireless device (10) for handling communication of the wireless device (10) in a wireless communication network (1 ), wherein the wireless device (10) is configured to

perform a beam recovery process of a selected beam upon beam failure detection, wherein the selected beam is associated to one cell of a configured set of cells, wherein the configured set of cells includes a primary cell and a set of neighbor cells.

23. The wireless device (10) according to claim 22, wherein the wireless device (10) is configured to

send a message associated with the selected beam by using an uplink resource configuration that belongs to the primary cell or any of the configured set of cells.

24. The wireless device (10) according to any of the claims 22-23, wherein the

wireless device (10) is further configured to

receive configuring data from the radio network node (12) configuring the wireless device with the set of cells.

25. The wireless device (10) according to claims 24, wherein the configuring data comprises a black list indicating cells where the wireless device is not allowed to perform beam recovery process.

26. The wireless device (10) according to any of the claims 24-25, wherein the

configuring data comprises a reference signal configuration and/or uplink resource configuration per configured cell or for all cells in the set of cells.

27. The wireless device (10) according to any of the claims 24-26, wherein the

configuring data comprises a threshold per cell defining when to select a cell of the set of neighbor cells relative the primary cell.

28. The wireless device (10) according to any of the claims 22-27, wherein the

primary cell is a primary cell of a primary cell group or a primary secondary cell of a secondary cell group; and/or a neighbor cell in the set of neighbor cells is a non- serving cell or a serving cell that is a secondary cell.

29. A computer program product comprising instructions, which, when executed on at least one processor, cause the at least one processor to carry a method according to any of the claims 1 -14, as performed by the radio network node or the wireless device respectively.

30. A computer-readable storage medium, having stored thereon a computer program product comprising instructions which, when executed on at least one processor, cause the at least one processor to carry out a method according to any of the claims 1 -14, as performed by the radio network node or the wireless device, respectively.