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1. WO2020197474 - QUANTIZED EARLY MEASUREMENTS

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[ EN ]

Qaims

What is claimed is:

1 . A method performed by a wireless device (912) for reporting quantized early measurements to a network node (902), the method comprising:

when the wireless device (912) is transitioning from a dormant state to a connected state, transmitting (1000, 1 100, 1200; 1300), to a network node (902) :

a Radio Resource Control, RRC, resume request like message or an RRC setup request like message; and

a report of one or more quantized early measurements.

2. The method of claim 1 wherein the report of the one or more quantized early measurements comprises a single-bit indication.

3. The method of claim 2 wherein the single-bit indication indicates that:

early measurements performed by the wireless device (912) while in the dormant state for all previous master cell group secondary cells with which the wireless device (912) was configured prior to entering the dormant state are above a threshold;

early measurements performed by the wireless device (912) while in the dormant state for all previous master cell group secondary cells with which the wireless device (912) was configured prior to entering the dormant state are above or below a threshold;

an early measurement(s) performed by the wireless device (912) while in the dormant state for a previous primary secondary cell of the wireless device (912) for dual connectivity prior to entering the dormant state is(are) above a threshold;

an early measurement(s) performed by the wireless device (912) while in the dormant state for a previous primary secondary cell of the wireless device (912) for dual connectivity prior to entering the dormant state is(are) above or below a threshold; early measurements performed by the wireless device (912) while in the dormant state for all previous serving cells of the wireless device (912) in a secondary cell group with which the wireless device (912) was configured prior to entering the dormant state are above a threshold;

early measurements performed by the wireless device (912) while in the dormant state for all previous serving cells of the wireless device (912) in a secondary cell group with which the wireless device (912) was configured prior to entering the dormant state are above or below a threshold;

early measurements performed by the wireless device (912) while in the dormant state for all previous master cell group secondary cells with which the wireless device (912) was configured prior to entering the dormant state and all previous serving cells of the wireless device (912) in a secondary cell group with which the wireless device (912) was configured prior to entering the dormant state are above or below a threshold; or

early measurements performed by the wireless device (912) while in the dormant state for all previous master cell group secondary cells with which the wireless device (912) was configured prior to entering the dormant state and all previous serving cells of the wireless device (912) in a secondary cell group with which the wireless device (912) was configured prior to entering the dormant state are above or below a threshold.

4. The method of claim 2 or 3 wherein the single-bit indication is comprised in the RRC resume request like message or the RRC setup request like message.

5. The method of claim 2 or 3 wherein the single-bit indication is comprised in the RRC resume request like message or the RRC setup request like message using a previously identified spare bit.

6. The method of claim 1 wherein the report of the one or more quantized early measurements comprises a multi-bit indication that indicates information about multiple cells.

7. The method of claim 6 wherein the RRC resume request like message or the RRC setup request like message is a RRCResumeRequestl message in which a number of bits of a resume identity comprised in the RRCResumeRequestl message are utilized to provide the multi-bit indication.

8. The method of claim 6 or 7 wherein the multi-bit indication is a ranked list of N best serving cells of the wireless device (912).

9. The method of claim 6 or 7 wherein the multi-bit indication is a ranked list of N best serving cells of the wireless device (912), other than a cell on which the RRC resume request like message or the RRC setup request like message is transmitted.

10. The method of claim 6 wherein the multi-bit indication is a bitmap to report N serving cells, where a value of Ό’ in the bitmap indicates that an early measurement(s) on a respective cell is below a threshold and a value of Ί’ in the bitmap indicates that the early measurement(s) on the respective cell is above the threshold.

1 1 . The method of claim 6 wherein the multi-bit indication comprises two or more single-bit indications.

12. The method of claim 1 1 wherein:

• each of the two or more single-bit indications is an indication of one of the

following:

a. early measurements performed by the wireless device (912) while in the dormant state for all previous master cell group secondary cells with which the wireless device (912) was configured prior to entering the dormant state are above or below a threshold;

b. an early measurement(s) performed by the wireless device (912) while in the dormant state for a previous primary secondary cell of the wireless device (912) for dual connectivity prior to entering the dormant state is(are) above or below a threshold;

c. early measurements performed by the wireless device (912) while in the dormant state for all previous serving cells of the wireless device (912) in a secondary cell group with which the wireless device (912) was configured prior to entering the dormant state are above or below a threshold; or

d. early measurements performed by the wireless device (912) while in the dormant state for all previous master cell group secondary cells with which the wireless device (912) was configured prior to entering the dormant state and all previous serving cells of the wireless device (912) in a secondary cell group with which the wireless device (912) was configured prior to entering the dormant state are above or below a threshold; and • a first single-bit indication from among the two or more single-bit indications is an indication of one of a-d, and a second single-bit indication from among the two or more single-bit indications is an indication of a different one of a-d.

13. The method of claim 1 wherein the report of the one or more quantized early measurements comprises one or more indications related to quantized early

measurement results for one or more cells and/or frequencies for which the wireless device (912) was configured to perform early measurements.

14. The method of claim 13 wherein each of the one or more indications comprises a frequency index, a cell index, and a radio access technology indicator.

15. The method of claim 13 or 14 wherein the one or more indications provide a list of cells for which early measurements performed by the wireless device (912) while in the dormant state are above a threshold.

16. The method of claim 1 wherein the report of the one or more quantized early measurements comprises one or more indications related to quantized early

measurement results for one or more frequency layers for which the wireless device (912) was configured to perform early measurements.

17. The method of claim 1 wherein the report of the one or more quantized early measurements is transmitted in one or more transport blocks subsequent to a transport block in which the RRC resume request like message or the RRC setup request like message is transmitted.

18. The method of claim 1 wherein the report of the one or more quantized early measurements is transmitted in a message in one or more transport blocks subsequent to a transport block in which the RRC resume request like message or the RRC setup request like message is transmitted.

19. The method of claim 18 wherein the message further comprises an indication of whether the wireless device (912) has more quantized early measurements to report.

20. The method of claim 18 wherein the message further comprises an indication of how many quantized early measurements that the wireless device (912) has left to report.

21 . The method of any one of embodiments 18 to 20 wherein the report of the one or more quantized early measurements transmitted in the message is a truncated early measurement result.

22. A wireless device (912; 1900) for reporting quantized early measurements to a network node (902), the wireless device (912; 1900) adapted to:

when the wireless device (912; 1900) is transitioning from a dormant state to a connected state, transmit (1000, 1 100, 1200; 1300), to a network node (902) :

a Radio Resource Control, RRC, resume request like message or an RRC setup request like message; and

a report of one or more quantized early measurements.

23. The wireless device (912; 1900) of claim 22 wherein the wireless device (912; 1900) is further adapted to perform the method of any one of claims 2 to 24.

24. The wireless device (912; 1900) of claim 22 or 23 wherein the wireless device (912; 1900) comprises:

one or more transmitters (1908) ;

one or more receivers (1910) ; and

processing circuitry (1902) associated with the one or more transmitters (1908) and the one or more receivers (1910) , the processing circuitry (1902) configured to cause the wireless device (912; 1900) to, when the wireless device (912; 1900) is transitioning from a dormant state to a connected state, transmit (1000, 1 100, 1200; 1300), to a network node (902) :

the RRC resume request like message or the RRC setup request like message; and

the report of the one or more quantized early measurements.

25. A method performed by a network node (902), the method comprising:

when a wireless device (912) is transitioning from a dormant state to a

connected state, receiving (1000, 1 100, 1200; 1300), from the wireless device (912) :

a Radio Resource Control, RRC, resume request like message or a RRC setup request like message; and

a report of one or more quantized early measurements.

26. The method of claim 25 further comprising performing (1002; 1 102; 1202; 1302) one or more actions based on the report of the one or more quantized early

measurements.

27. A network node (902; 1600) for a cellular communications network, the network node (902; 1600) adapted to:

when a wireless device (912) is transitioning from a dormant state to a

connected state, receive (1000, 1 100, 1200; 1300), from the wireless device (912) :

a Radio Resource Control, RRC, resume request like message or a RRC setup request like message; and

a report of one or more quantized early measurements.

28. The network node (902; 1600) of claim 27 wherein the network node (902;

1600) is further adapted to perform (1002; 1 102; 1202; 1302) one or more actions based on the report of the one or more quantized early measurements.

29. The network node (902; 1600) of claim 27 or 28 wherein the network node (902; 1600) comprises processing circuitry (1604; 1704) configured to cause the network node (902; 1600) to, when the wireless device (912) is transitioning from the dormant state to the connected state, receive (1000, 1 100, 1200; 1300), from the wireless device (912) :

the RRC resume request like message or the RRC setup request like message; and

the report of the one or more quantized early measurements.