Shared resource pools between transmission and reception points with user equipment assistance

1 . An apparatus for wireless communication at a first network device associated with a first transmission and reception point (TRP), comprising:

memory; and

at least one processor coupled to the memory and, based at least in part on information stored in the memory, the at least one processor is configured to:

configure at least a first resource pool associated with the first TRP and a second resource pool associated with both the first TRP and a second TRP;

transmit, for a first communication with the first TRP, a first resource-granting control message that indicates a grant of a first resource in the first resource pool, wherein the first network device is configured to use the first resource-granting control message in association with the first resource pool; and

transmit, for a second communication with the first TRP, a second potential-resource-granting control message that indicates a potential grant of a second resource in the second resource pool, wherein the first network device is configured to use the second potential-resource-granting control message in association with the second resource pool.

2 . The apparatus of claim 1 , wherein the at least one processor is further configured to:

configure a third resource pool associated with the second TRP; and

skip scheduling in the third resource pool for a third communication with the first TRP.

3 . The apparatus of claim 1 , wherein the first communication is associated with a wireless device connected to the first TRP and the second TRP, wherein the first resource-granting control message is a downlink control information (DCI) that indicates the grant of the first resource for the first communication, and wherein the at least one processor is further configured to:

transmit or receive, via the first TRP, the first communication via the first resource.

4 . The apparatus of claim 1 , wherein the second potential-resource-granting control message is a downlink control information (DCI) that indicates a potential grant of the second resource in the second resource pool for the second communication with a wireless device, wherein the at least one processor is further configured to:

receive, from the wireless device, a feedback indicating that the potential grant of the second resource is accepted; and

transmit or receive, based on the potential grant of the second resource indicated in the first DCI and the feedback, the second communication associated with the first TRP via the second resource.

5 . The apparatus of claim 1 , wherein the second potential-resource-granting control message is a downlink control information (DCI) that indicates the potential grant of the second resource in the second resource pool for the second communication with a wireless device, wherein the at least one processor is further configured to:

receive, from the wireless device, a feedback indicating that the potential grant of the second resource is accepted;

transmit a second DCI indicating the grant of the second resource in the second resource pool; and

transmit or receive, via the first TRP, the first communication associated with the first TRP via the second resource.

6 . The apparatus of claim 1 , wherein the second potential-resource-granting control message is a downlink control information (DCI) that indicates the potential grant of the second resource in the second resource pool for the second communication with a wireless device, and wherein the at least one processor is further configured to:

receive, based on the DCI, a feedback indicating that the potential grant of the second resource is rejected; and

omit a transmission, from the first TRP, of a resource-granting DCI indicating the grant of the second resource in the second resource pool.

7 . The apparatus of claim 1 , wherein the at least one processor is further configured to:

receive, via backhaul signaling resource information for the second TRP, wherein the at least one processor is configured to configure at least the first resource pool associated with the first TRP and the second resource pool associated with both the first TRP and the second TRP based on the resource information for the second TRP.

8 . The apparatus of claim 1 , wherein a configuration of the first resource pool and the second resource pool is UE specific.

9 . The apparatus of claim 1 , wherein the first resource pool is configured for downlink communication, wherein the at least one processor is further configured to:

configure, for uplink communication with a wireless device, a third resource pool associated with the first TRP and a fourth resource pool associated with both the first TRP and the second TRP.

10 . The apparatus of claim 1 , wherein the second potential-resource-granting control message is a downlink control information (DCI) that indicates a potential grant of a plurality of subsets of resources in the second resource pool for a plurality of transmissions associated with a wireless device, wherein the plurality of subsets of resources comprises the second resource.

11 . The apparatus of claim 10 , wherein the DCI separately indicates each of the plurality of subsets of resources for the plurality of transmissions.

12 . The apparatus of claim 10 , wherein the DCI indicates a subset of resources to be reserved within a slot and a number of slots in which a corresponding subset of resources are to be reserved.

13 . The apparatus of claim 10 , wherein the at least one processor is further configured to:

receive separate feedback to the potential grant for one or more of the plurality of transmissions.

14 . An apparatus for wireless communication at a wireless device, comprising:

memory; and

at least one processor coupled to the memory and, based at least in part on information stored in the memory, the at least one processor is configured to:

receive a configuration for at least a first resource pool associated with a first transmission and reception point (TRP) and a second resource pool associated with both the first TRP and a second TRP;

receive, for a first communication with the first TRP, a first resource-granting control message that indicates a grant of a first resource in the first resource pool, wherein the wireless device is configured to receive the first resource-granting control message in association with the first resource pool; and

receive, for a second communication with the first TRP, a second potential-resource-granting control message that indicates a potential grant of a second resource in the second resource pool, wherein the wireless device is configured to receive the second potential-resource-granting control message in association with the second resource pool.

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

receive an additional configuration for a third resource pool associated with the second TRP;

receive, for a third communication with the second TRP, a third resource-granting control message that indicates an additional grant of a third resource in the third resource pool, wherein the wireless device is configured to receive the third resource-granting control message in association with the third resource pool; and

receive, for a fourth communication with the second TRP, a fourth potential-resource-granting control message that indicates an additional potential grant of a fourth resource in the second resource pool, wherein the wireless device is configured to receive the fourth potential-resource-granting control message in association with the second resource pool.

16 . The apparatus of claim 14 , wherein the first resource-granting control message is a downlink control information (DCI) that indicates the grant of the first resource for the first communication, and wherein the at least one processor is further configured to:

transmit or receive, via the first TRP, the first communication associated with the first TRP via the first resource.

17 . The apparatus of claim 14 , wherein the second potential-resource-granting control message is a downlink control information (DCI) that indicates the potential grant of the second resource in the second resource pool for the second communication with the first TRP, wherein the at least one processor is further configured to:

transmit, for the first TRP, a feedback indicating that the potential grant of the second resource is accepted; and

transmit or receive, via the first TRP and based on the potential grant of the second resource indicated in the DCI and the feedback, the second communication associated with the first TRP via the second resource.

18 . The apparatus of claim 14 , wherein the second potential-resource-granting control message is a downlink control information (DCI) that indicates the potential grant of the second resource in the second resource pool for the second communication with the first TRP, wherein the at least one processor is further configured to:

transmit, for the first TRP, a feedback indicating that the potential grant of the second resource is accepted;

receive, from the first TRP, a second DCI indicating the grant of the second resource in the second resource pool; and

transmit or receive, via the first TRP, the first communication associated with the first TRP via the second resource.

19 . The apparatus of claim 14 , wherein the second potential-resource-granting control message is a downlink control information (DCI) that indicates the potential grant of the second resource in the second resource pool for the second communication with the first TRP, and, wherein the at least one processor is further configured to:

transmit, for the first TRP, a first feedback indicating that the potential grant of the second resource is rejected.

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

receive, from the second TRP, an additional DCI that indicates an additional potential grant of a third resource in the second resource pool for a third communication with the second TRP, wherein there is an overlap between the second resource and the third resource, wherein the at least one processor is configured to transmit the first feedback indicating that the potential grant of the second resource is rejected based on the overlap between the second resource and the third resource.

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

transmit, for the second TRP, a second feedback indicating that the additional potential grant of the third resource is accepted;

receive, from the second TRP, a third DCI indicating an additional grant of the third resource in the second resource pool; and

transmit or receive, via the second TRP, the third communication associated with the second TRP via the third resource.

22 . The apparatus of claim 14 , wherein the first resource pool is configured for downlink communication, wherein the at least one processor is further configured to:

receive, for uplink communication with the first TRP, a third indication of an additional configuration of a third resource pool associated with the first TRP and a fourth resource pool associated with both the first TRP and the second TRP.

23 . The apparatus of claim 14 , wherein the second potential-resource-granting control message is a downlink control information (DCI) indicating a potential grant of a plurality of subsets of resources in the second resource pool for a plurality of transmissions, wherein the plurality of subsets of resources comprises the second resource.

24 . The apparatus of claim 23 , wherein the DCI separately indicates each of the plurality of subsets of resources for the plurality of transmissions.

25 . The apparatus of claim 23 , wherein the DCI indicates a subset of resources to be reserved in a single slot and a number of slots in which a same subset of resources is to be reserved.

26 . The apparatus of claim 23 , wherein the at least one processor is further configured to:

transmit separate feedback to the potential grant for one or more of the plurality of transmissions.

27 . A method for wireless communication at a first network device associated with a first transmission and reception point (TRP), comprising:

configuring at least a first resource pool associated with the first TRP and a second resource pool associated with both the first TRP and a second TRP;

transmitting, for a first communication with the first TRP, a first resource-granting control message that indicates a grant of a first resource in the first resource pool, wherein the first network device is configured to use the first resource-granting control message in association with the first resource pool; and

transmitting, for a second communication with the first TRP, a second potential-resource-granting control message that indicates a potential grant of a second resource in the second resource pool, wherein the first network device is configured to use the second potential-resource-granting control message in association with the second resource pool.

28 . The method of claim 27 , further comprising:

configuring a third resource pool associated with the second TRP; and

skipping scheduling in the third resource pool for a third communication with the first TRP.

29 . A method for wireless communication at a wireless device, the method comprising:

receiving a configuration for at least a first resource pool associated with a first transmission and reception point (TRP) and a second resource pool associated with both the first TRP and a second TRP;

receiving, for a first communication with the first TRP, a first resource-granting control message that indicates a grant of a first resource in the first resource pool, wherein the wireless device is configured to receive the first resource-granting control message in association with the first resource pool; and

receiving, for a second communication with the first TRP, a second potential-resource-granting control message that indicates a potential grant of a second resource in the second resource pool, wherein the wireless device is configured to receive the second potential-resource-granting control message in association with the second resource pool.

30 . The method of claim 29 , wherein the second potential-resource-granting control message is a downlink control information (DCI) that indicates the potential grant of the second resource in the second resource pool for the second communication with the first TRP, the method further comprising:

receiving, from the second TRP, an additional DCI that indicates an additional potential grant of a third resource in the second resource pool for a third communication with the second TRP, wherein there is an overlap between the second resource and the third resource;

transmitting, for the first TRP and based on the overlap between the second resource and the third resource, a first feedback indicating that the first potential grant of the second resource is rejected;

transmitting, for the second TRP, a second feedback indicating that the additional potential grant of the third resource is accepted;

receiving, from the second TRP, a third DCI indicating an additional grant of the third resource in the second resource pool; and

transmitting or receiving, via the second TRP, the third communication associated with the second TRP via the third resource.