Granted Patent B2

US 12,289,696 · App. 17/597,794 · Granted Apr 29, 2025

Inventors: Peng Cheng (Beijing, CN); Huichun Liu (Beijing, CN)

Assignee: QUALCOMM Incorporated

H04W56/001H04W24/10H04W76/30

Abstract

Claims (126)

1. A method of wireless communication, the method comprising:

selecting, by a user equipment (UE), a list of synchronization signal block (SSB) frequencies included in at least one message as a selected list of SSB frequencies;

determining, based on whether a first frequency included in the selected frequency list is an overlapping carrier or a non-overlapping carrier, whether to perform a new radio (NR) early measurement operation for the first frequency;

identifying a SSB-based measurement timing configuration (SMTC) based on a determination to perform the NR early measurement operation for the first frequency; and

performing the NR early measurement operation for the first frequency using the identified SMTC.

2. The method of claim 1 , wherein:

the overlapping carrier comprises a carrier configured by higher layer for both early measurement reporting and inter-frequency mobility measurements; and

the non-overlapping carrier comprises a carrier configured by higher layer for early measurement reporting while not configured for inter-frequency mobility measurements.

3. The method of claim 1 , further comprising:

generating, by the UE, a measurement report based on the NR early measurement operation.

4. The method of claim 1 , further comprising:

receiving, by the UE, the at least one message comprising a first message, a second message, a third message, or a combination thereof.

5. The method of claim 4 , wherein:

each of the first message and the second message include a system information block (SIB) message,

the first message includes an new radio (NR) SIB or a legacy-based SIB, or

a combination thereof.

6. The method of claim 4 , wherein:

the first message includes an NR SIB2/4 message, a SIB5 message, or a SIB24 message,

the second message includes a NR SIB,

the third message includes a radio resource controller (RRC) release message or a new radio (NR) release message, or

a combination thereof.

7. The method of claim 4 , further comprising:

determining, by the UE, whether the third message is received.

8. The method of claim 4 , further comprising:

determining, by the UE, whether the second message includes a first list of SSB frequencies; or

determining, by the UE, whether the third message includes a second list of SSB frequencies,

wherein, based on a determination that the third message includes the second list of SSB frequencies, the UE selects the second list of SSB frequencies as the selected list of SSB frequencies.

9. The method of claim 4 , further comprising:

determining, by the UE, whether the second message includes a first list of SSB frequencies; or

determining, by the UE, whether the third message includes a second list of SSB frequencies,

wherein, based on a determination that the third message does not include the second list of SSB frequencies and a determination that the second message includes the first list of SSB frequencies, the UE selects the first list of SSB frequencies as the selected list of SSB frequencies.

10. The method of claim 4 , further comprising:

for the first frequency, selecting, by the UE, a first SMTC of the first message as the SMTC based on a determination the first frequency is the overlapping carrier;

performing, by the UE, cell selection; and

receiving, by the UE during cell reselection, a SIB message from a target base station; and

identifying, by the UE, a second SMTC of the SIB message received from the target base station.

11. An apparatus configured for wireless communication, comprising:

at least one processor; and

a memory coupled to the at least one processor,

wherein the at least one processor is configured to:

select, by a user equipment (UE), a list of synchronization signal block (SSB) frequencies included in at least one message as a selected list of SSB frequencies;

determine, based on whether a first frequency included in the selected list of SSB frequencies is an overlapping carrier or a non-overlapping carrier, whether to perform a new radio (NR) early measurement operation for the first frequency;

identify a SSB-based measurement timing configuration (SMTC) based on a determination to perform the NR early measurement operation for the first frequency; and

initiate the NR early measurement operation for the first frequency using the identified SMTC.

12. The apparatus of claim 11 , wherein the at least one processor is further configured to:

receive, by the UE, the at least one message comprising a first message, a second message, a third message, or a combination thereof.

13. The apparatus of claim 12 , wherein the at least one processor is further configured to, for the first frequency:

determine, by the UE, whether the SMTC is included in the third message based on a determination that the first frequency is the non-overlapping carrier.

14. The apparatus of claim 13 , wherein the at least one processor is further configured to:

determine, by the UE, that a network is synchronized based on a determination that that SMTC is included in the third message;

initiate, by the UE, a cell reselection operation; and

after cell reselection, use, by the UE, the SMTC identified prior to performance of the cell reselection.

15. The apparatus of claim 13 , wherein the at least one processor is further configured to:

for the first frequency, determine, by the UE, whether the SMTC is included in the second message based on a determination that that SMTC is not included in the third message;

for the first frequency, select, by the UE, a second SMTC of the second message as the SMTC based on a determination that the SMTC is included in the second message;

initiate, by the UE, a cell selection operation;

receive, by the UE during cell reselection, a SIB message from a target base station; and

identify, by the UE, a second SMTC of the SIB message received from the target base station.

16. The apparatus of claim 13 , wherein the at least one processor is further configured to:

for the first frequency, determine, by the UE, whether the SMTC is included in the second message based on a determination that that SMTC is not included in the third message; and

based on determining for a second frequency included in the selected frequency list that the second frequency is the non-overlapping carrier, that the SMTC is not included in the third message, and that the SMTC is not included in the second message, select, by the UE, a third frequency without performing NR early measurement for the second frequency.

17. The apparatus of claim 12 , wherein the at least one processor is further configured to:

identify, by the UE, common control signaling included in at least one message;

set, by the UE, the identified common control signaling as selected common control signaling; and

initiate, by the UE for the first frequency, NR early measurement based on the selected common control signaling, and

wherein the identified common control signaling includes a cell quality threshold, an indication of reporting quantity reporting, an indication of beam reporting, a validity area, or a combination thereof.

18. The apparatus of claim 17 , wherein the at least one processor is further configured to:

determine, by the UE, whether the second message includes first common control signaling; or

determine, by the UE, whether the third message includes second common control signaling,

wherein, based on a determination that the third message includes the second common control signaling, the UE selects the second common control signaling as the selected common control signaling.

19. The apparatus of claim 17 , wherein the at least one processor is further configured to:

determine, by the UE, whether the second message includes first common control signaling; or

determine, by the UE, whether the third message includes second common control signaling,

wherein, based on a determination that the third message does not include the second common control signaling and a determination that the second message includes the first common control signaling, the UE selects the first common control signaling as the selected common control signaling.

20. The apparatus of claim 11 , wherein the at least one processor is further configured to:

determine, by the UE, whether the at least one message includes a validity timer; and

initiate, by the UE for the first frequency, NR early measurement based on the validity timer.

21. An apparatus configured for wireless communication, the apparatus comprising:

an interface configured to receive at least one message; and

a processing system configured to:

select, by a user equipment (UE), a list of synchronization signal block (SSB) frequencies included in the at least one message as a selected list of SSB frequencies;

determine, based on whether a first frequency included in the selected list of SSB frequencies is an overlapping carrier or a non-overlapping carrier, whether to perform a new radio (NR) early measurement operation for the first frequency;

identify a SSB-based measurement timing configuration (SMTC) based on a determination to perform the NR early measurement operation for the first frequency; and

initiate the NR early measurement operation for the first frequency using the identified SMTC.

22. The apparatus of claim 21 , further comprising:

a receiver configured to receive the at least one message.

23. The apparatus of claim 21 , wherein the processing system is further configured to:

select, by the UE, a first SMTC of the at least one message as the SMTC based on a determination the first frequency is the overlapping carrier.

24. The apparatus of claim 21 , wherein the processing system is further configured to:

determine, by the UE, whether the SMTC is included in the at least one message based on a determination that the first frequency is the non-overlapping carrier.

25. A method of wireless communication, the method comprising:

generating, by a base station, at least one message including a list of SSB frequencies, wherein at least one frequency included in the list of frequencies comprises an overlapping carrier or a non-overlapping carrier;

transmitting, by the base station, the at least one message to a user equipment (UE); and

receiving, by the base station, a report based on new radio (NR) early measurement operations performed by the UE, the NR early measurement operations performed based on a determination of whether the at least one frequency is the overlapping carrier or a non-overlapping carrier.

26. The method of claim 25 , wherein:

the overlapping carrier comprises a carrier configured by higher layer for both early measurement reporting and inter-frequency mobility measurements; and

the non-overlapping carrier comprises a carrier configured by higher layer for early measurement reporting while not configured for inter-frequency mobility measurements.

27. The method of claim 25 , wherein the at least one message comprising a first message, a second message, a third message, or a combination thereof.

28. The method of claim 27 , wherein:

each of the first message and the second message include a system information block (SIB) message,

the first message includes a new radio (NR) SIB or a legacy-based SIB, or

a combination thereof.

29. The method of claim 27 , wherein:

the first message includes an NR SIB2/4 message, a SIB5 message, or a SIB24 message,

the second message includes a NR SIB,

the third message includes a radio resource controller (RRC) release message or a new radio (NR) release message, or

a combination thereof.

30. The method of claim 25 , wherein the at least one message includes common control signaling and a validity timer.

31. An apparatus configured for wireless communication, comprising:

at least one processor; and

a memory coupled to the at least one processor,

wherein the at least one processor is configured to:

generate, by a base station, at least one message including a list of SSB frequencies, wherein at least one frequency included in the list of frequencies comprises an overlapping carrier or a non-overlapping carrier;

transmit, by the base station, the at least one message to a user equipment (UE); and

receive, by the base station, a report based on new radio (NR) early measurement operations performed by the UE, the NR early measurement operations performed based on a determination of whether the at least one frequency is the overlapping carrier or a non-overlapping carrier.

32. The apparatus of claim 31 , wherein the at least one message comprising a first message, a second message, a third message or a combination thereof.

33. The apparatus of claim 32 , wherein:

each of the first message and the second message include a system information block (SIB) message,

the first message includes a new radio (NR) SIB or a legacy-based SIB, or

a combination thereof.

34. The apparatus of claim 32 , wherein:

the first message includes an NR SIB2/4 message, a SIB5 message, or a SIB24 message,

the first message includes a new radio (NR) SIB or a legacy-based SIB,

the third message includes a radio resource controller (RRC) release message or a new radio (NR) release message, or

a combination thereof.

35. The apparatus of claim 31 , wherein the at least one message includes common control signaling and a validity timer.

Assignments (1)

Continuity (1)

References Cited (24)