Method and apparatus for handling IDC problems in NR in a wireless communication system
A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), the UE determines whether a beam associated with a reference signal of a cell has an In-Device Coexistence (IDC) problem. The UE determines whether to include information associated with the reference signal in a report based on whether the beam associated with the reference signal has the IDC problem. The UE transmits the report to a network node.
1. A method of a User Equipment (UE), the method comprising:
determining that a beam associated with a reference signal of a cell has an In-Device Coexistence (IDC) problem;
determining to not include information associated with the reference signal in a report based on the determination that the beam associated with the reference signal has the IDC problem; and
transmitting the report to a network node.
2. The method of claim 1 , comprising:
determining whether a second beam associated with a second reference signal of a second cell has a second IDC problem;
determining whether to include second information associated with the second reference signal in a second report based on whether the second beam associated with the second reference signal has the second IDC problem; and
transmitting the second report.
3. The method of claim 2 , wherein the determining whether the second beam associated with the second reference signal has the second IDC problem comprises determining that the second beam does not have the second IDC problem, the method comprising:
including the second information in the second report based on the determination that the second beam does not have the second IDC problem.
4. The method of claim 1 , wherein:
the reference signal is a Synchronization Signal (SS)/Physical Broadcast Channel (PBCH) Block (SSB) or a Channel State Information Reference Signal (CSI-RS).
5. The method of claim 1 , wherein:
the information comprises an identity of the reference signal.
6. The method of claim 1 , wherein:
the information comprises a measurement result of the reference signal.
7. The method of claim 1 , comprising:
receiving the reference signal using the beam.
8. The method of claim 1 , wherein:
the report is a MeasurementReport message in Radio Resource Control (RRC) layer.
9. The method of claim 1 , wherein:
the report comprises a cell measurement quantity associated with the cell.
10. The method of claim 9 , comprising:
determining whether to consider a beam measurement quantity of the beam for deriving the cell measurement quantity based on whether the beam associated with the reference signal has the IDC problem; and
deriving the cell measurement quantity based on the determination of whether to consider the beam measurement quantity.
11. The method of claim 9 , comprising:
deriving the cell measurement quantity based on one or more beam measurement quantities of one or more second beams other than the beam based on the determination that the beam has the IDC problem.
12. The method of claim 2 , wherein the second report comprises a second cell measurement quantity associated with the second cell, wherein the determining whether the second beam associated with the second reference signal has the second IDC problem comprises determining that the second beam does not have the second IDC problem, the method comprising:
deriving the second cell measurement quantity based on a second beam measurement quantity of the second beam based on the determination that the second beam does not have the second IDC problem.
13. The method of claim 1 , wherein:
the report is a Channel State Information (CSI) report.
14. A communication device, comprising:
a processor; and
memory comprising processor-executable instructions that when executed by the processor cause performance of operations, the operations comprising:
determining that a beam associated with a reference signal of a cell has an In-Device Coexistence (IDC) problem;
determining to not include information associated with the reference signal in a report based on the determination that the beam associated with the reference signal has the IDC problem; and
transmitting the report to a network node.
15. The communication device of claim 14 , the operations comprising:
determining whether a second beam associated with a second reference signal of a second cell has a second IDC problem;
determining whether to include second information associated with the second reference signal in a second report based on whether the second beam associated with the second reference signal has the second IDC problem; and
transmitting the second report.
16. The communication device of claim 15 , wherein the determining whether the second beam associated with the second reference signal has the second IDC problem comprises determining that the second beam does not have the second IDC problem, the operations comprising:
including the second information in the second report based on the determination that the second beam does not have the second IDC problem.
17. The communication device of claim 14 , wherein:
the reference signal is a Synchronization Signal (SS)/Physical Broadcast Channel (PBCH) Block (SSB) or a Channel State Information Reference Signal (CSI-RS).
18. The communication device of claim 14 , wherein:
the information comprises an identity of the reference signal.
19. The communication device of claim 14 , wherein:
the information comprises a measurement result of the reference signal.
20. A non-transitory computer-readable medium comprising processor-executable instructions that when executed cause performance of operations, comprising:
determining that a beam associated with a reference signal of a cell has an In-Device Coexistence (IDC) problem;
determining to not include information associated with the reference signal in a report based on the determination that the beam associated with the reference signal has the IDC problem; and
transmitting the report to a network node.
21. A method of a User Equipment (UE), the method comprising:
determining whether a beam associated with a reference signal of a cell has an In-Device Coexistence (IDC) problem;
determining whether to include information associated with the reference signal in a report based on whether the beam associated with the reference signal has the IDC problem;
deriving a cell measurement quantity based on at least one of:
a determination of whether to consider at least one beam measurement quantity of the beam for deriving the cell measurement quantity based on whether the beam associated with the reference signal has the IDC problem;
one or more beam measurement quantities of one or more second beams other than the beam based on a determination that the beam has the IDC problem; or
a beam measurement quantity of the beam based on a determination that the beam does not have the IDC problem, wherein the report comprises the cell measurement quantity associated with the cell; and
transmitting the report to a network node.