Multi-TRP and URLLC capability signaling

1. A method, comprising:

sending, by a user equipment (UE), to a network, a first report, comprising a report of one or more capabilities,

wherein the first report further comprises an identification of a component carrier (CC), and the first report reports the UE's capability to perform processing of two overlapping Physical Downlink Shared Channels (PDSCHs) from two Transmission and Reception Points (TRPs)

wherein the first report further comprises:

a first maximum number of CCs for which, at a first subcarrier spacing, the user equipment supports a first capability of the one or more capabilities, and

a first fallback action code, the first fallback action code specifying the behavior of the UE when configured, at the first subcarrier spacing, with more than the first maximum number of CCs.

2. The method of claim 1 , further comprising sending, by the user equipment (UE), to a network, a second report, comprising a report of one or more capabilities, wherein the second report further comprises an identification of a band, and the second report applies to component carriers (CCs) in the band.

3. The method of claim 1 , further comprising sending, by the user equipment (UE), to a network, a second report, comprising a report of one or more capabilities, wherein the second report further comprises an identification of a combination of bands, and the second report applies to component carriers (CCs) in the combination of bands.

4. The method of claim 1 , wherein the first fallback action code indicates that when the UE is configured, at the first subcarrier spacing, with more than the first maximum number of CCs, it will not support the first capability.

5. The method of claim 1 , wherein the first fallback action code indicates that when the UE is configured, at the first subcarrier spacing, with more than the first maximum number of CCs, it will support the first capability on only one CC.

6. The method of claim 5 , wherein the one CC is the CC having the lowest cell index or the CC having the highest cell index.

7. The method of claim 1 , wherein the first fallback action code indicates that when the UE is configured, at the first subcarrier spacing, with more than the maximum number of CCs, it will support the first capability only on └2N cell,feature μ −N Cell μ ┘ CCs, wherein N cell,feature μ is the first maximum number, and N Cell μ is the number of CCs with which the UE is configured, at the first subcarrier spacing.

8. The method of claim 1 , wherein:

the first capability is multi-transmission and reception point (M-TRP) reception; and

the first fallback action code indicates that when the UE is configured, at the first subcarrier spacing, with more than the maximum number of CCs, it will support the first capability only on

⌊

M

×

N

cell

,

feature

μ

-

N

Cell

μ

M

-

1

⌋

CCs, wherein M is the number of TRPs, N cell,feature μ is the first maximum number of CCs, and N cell μ is the number of CCs with which the UE is configured, at the first subcarrier spacing.

9. The method of claim 1 , wherein:

the first capability is out of order (OoO) reception; and

the first fallback action code indicates that when the UE is configured, at the first subcarrier spacing, with more than the maximum number of CCs, it will support the first capability only on

⌊

M

×

N

cell

,

feature

μ

-

N

Cell

μ

M

-

1

⌋

CCs, wherein M is the maximum possible number of overlapping or OoO PDSCHs with different priorities, N cell,feature μ is the first maximum number of CCs, and N Cell μ is the number of CCs with which the UE is configured, at the first subcarrier spacing.

10. The method of claim 1 , wherein the first report further comprises:

a second maximum number of CCs for which, at a second subcarrier spacing, the user equipment supports the first capability of the one or more capabilities, and

a second fallback action code, the second fallback action code specifying the behavior of the UE when configured, at the second subcarrier spacing, with more than the second maximum number of CCs.

11. The method of claim 10 , wherein the first report further comprises:

a third maximum number of CCs for which, at the first subcarrier spacing, the user equipment supports a second capability of the one or more capabilities, and

a third fallback action code, the third fallback action code specifying the behavior of the UE when configured, at the first subcarrier spacing, with more than the third maximum number of CCs.

12. A method comprising:

receiving, by a network, from a user equipment (UE), a first report, comprising a report of one or more capabilities; and

responsive to receiving the first report, implementing a response protocol suitable for a UE having the one or more capabilities,

wherein the first report further comprises an identification of a component carrier (CC), and the first report reports the UE's capability to perform processing of two overlapping Physical Downlink Shared Channels (PDSCHs) from two Transmission and Reception Points (TRPs),

wherein the first report further comprises:

a first maximum number of CCs for which, at a first subcarrier spacing, the user equipment supports a first capability of the one or more capabilities, and

a first fallback action code, the first fallback action code specifying the behavior of the UE when configured, at the first subcarrier spacing, with more than the first maximum number of CCs.

13. The method of claim 12 , further comprising receiving, by the network, from a user equipment (UE), a second report, comprising a report of one or more capabilities,

wherein the second report further comprises an identification of a band, and the second report applies to component carriers (CCs) in the band.

14. The method of claim 12 , further comprising receiving, by the network, from a user equipment (UE), a second report, comprising a report of one or more capabilities,

wherein the second report further comprises an identification of a combination of bands, and the second report applies to component carriers (CCs) in the combination of bands.

15. The method of claim 12 , wherein the first fallback action code indicates that when the UE is configured, at the first subcarrier spacing, with more than the first maximum number of CCs, it will not support the first capability.

16. A user equipment comprising:

a processing circuit,

the processing circuit being configured to send, to a network, a first report, comprising a report of one or more of capabilities,

wherein the first report further comprises an identification of a component carrier (CC) specific combination of bands, and the first report reports the UE's capability to perform processing, of two overlapping Physical Downlink Shared Channels (PDSCHs) from two Transmission and Reception Points (TRPs),

wherein the first report further comprises:

a first maximum number of CCs for which, at a first subcarrier spacing, the user equipment supports a first capability of the one or more capabilities, and

a first fallback action code, the first fallback action code specifying the behavior of the UE when configured, at the first subcarrier spacing, with more than the first maximum number of CCs.