Layer-specific accuracy for channel state feedback

1 . A user equipment (UE), comprising:

a processor;

memory coupled with the processor; and

instructions stored in the memory and executable by the processor to cause the UE to:

receive first signaling from a network entity via a cell, the first signaling indicates a state of resource utilization associated with at least the cell; and

modify a first compression scheme in accordance with the state of resource utilization, the first compression scheme is used for compressing first channel state information associated with a first spatial layer in a multiple spatial layer wireless communication between the UE and the network entity via the cell, wherein the UE is configured to use at least the first compression scheme for compressing channel state information associated with the first spatial layer and a second compression scheme for compressing channel state information associated with a second spatial layer of the multiple spatial layers in accordance with the state of resource utilization, the first compression scheme being different from the second compression scheme in accordance with the first spatial layer corresponding to a higher energy relative to the second spatial layer.

2 . The UE of claim 1 , wherein the instructions are further executable by the processor to cause the UE to:

receive second signaling from the network entity via the cell, wherein the second signaling indicates an allocation of resources for transmission of a channel state feedback message to the network entity, and wherein the allocation of resources is based at least in part on the state of resource utilization.

3 . The UE of claim 2 , wherein the instructions are further executable by the processor to cause the UE to:

transmit the channel state feedback message to the network entity using the allocation of resources, wherein the channel state feedback message indicates a compression of the first channel state information, and wherein an accuracy associated with the compression is based at least in part on modifying the first compression scheme.

4 . The UE of claim 1 , wherein the instructions are further executable by the processor to cause the UE to:

receive second signaling from the network entity via the cell, wherein the second signaling identifies a neural network to be used with the first compression scheme, and wherein the neural network is associated with the state of resource utilization.

5 . The UE of claim 4 , wherein the instructions to modify the first compression scheme in accordance with the state of resource utilization are executable by the processor to cause the UE to:

modify the first compression scheme to include use of the neural network for compressing the first channel state information.

6 . The UE of claim 1 , wherein the instructions are further executable by the processor to cause the UE to:

transmit second signaling to the network entity, the second signaling indicates that the UE modified the first compression scheme, a duration during which the UE modified the first compression scheme, or both.

7 . The UE of claim 6 , wherein the second signaling further indicates a neural network associated with the first compression scheme, the first spatial layer, or both.

8 . The UE of claim 1 , wherein the instructions are further executable by the processor to cause the UE to:

receive second signaling from the network entity, the second signaling indicates a first rank associated with wireless communication between the UE and the network entity via the cell, wherein modifying the first compression scheme is based at least in part on the first rank, and wherein the first rank is different from a second rank requested by the UE for wireless communication between the UE and the network entity.

9 . The UE of claim 8 , wherein the instructions are further executable by the processor to cause the UE to:

transmit third signaling to the network entity in response to receiving the second signaling, the third signaling indicates a request to use a third rank for wireless communication between the UE and the network entity via the cell, wherein the third rank is based at least in part on the first rank.

10 . The UE of claim 1 , wherein the instructions are further executable by the processor to cause the UE to:

modify the second compression scheme in accordance with the state of resource utilization, wherein the second compression scheme is used for compressing second channel state information associated with the second spatial layer of the multiple spatial layers used for wireless communication between the UE and the network entity via the cell, and wherein the first spatial layer is associated with a first layer index and the second spatial layer is associated with a second layer index that is greater than the first layer index.

11 . The UE of claim 10 , wherein the first compression scheme is modified to use a first quantity of bits for compression of the first channel state information and the second compression scheme is modified to use a second quantity of bits for compression of the second channel state information, and wherein the first quantity of bits is greater than the second quantity of bits.

12 . The UE of claim 11 , wherein a first accuracy associated with compression of the first channel state information is greater than a second accuracy associated with compression of the second channel state information based at least in part on the first quantity of bits being greater than the second quantity of bits.

13 . The UE of claim 10 , wherein the first compression scheme is modified to use a first quantity of bits for compression of the first channel state information and the second compression scheme is modified to use a second quantity of bits for compression of the second channel state information, and wherein the first quantity of bits less than the second quantity of bits.

14 . The UE of claim 13 , wherein a first accuracy associated with compression of the first channel state information and a second accuracy associated with compression of the second channel state information satisfy a threshold based at least in part on the first quantity of bits being less than the second quantity of bits.

15 . A network entity, comprising:

a processor;

memory coupled with the processor; and

instructions stored in the memory and executable by the processor to cause the network entity to:

output first signaling via a cell that indicates a state of resource utilization associated with at least the cell; and

obtain second signaling via the cell that indicates a first modification to a first compression scheme used for compressing first channel state information associated with a first spatial layer in a multiple spatial layer wireless communication via the cell, the first modification is based at least in part on the state of resource utilization, wherein the first compression scheme is used for compressing channel state information associated with the first spatial layer and a second compression scheme is used for compressing channel state information associated with a second spatial layer of the multiple spatial layers in accordance with the state of resource utilization, the first compression scheme being different from the second compression scheme in accordance with the first spatial layer corresponding to a higher energy relative to the second spatial layer.

16 . The network entity of claim 15 , wherein the instructions are further executable by the processor to cause the network entity to:

output third signaling that indicates an allocation of resources for transmission of a channel state feedback message to the network entity, wherein the allocation of resources is based at least in part on the state of resource utilization.

17 . The network entity of claim 16 , wherein the instructions are further executable by the processor to cause the network entity to:

obtain the channel state feedback message using the allocation of resources, wherein the channel state feedback message indicates a compression of the first channel state information, and wherein an accuracy associated with the compression is based at least in part on the first modification.

18 . The network entity of claim 15 , wherein the instructions are further executable by the processor to cause the network entity to:

output third signaling via the cell that identifies a neural network to be used with the first compression scheme, wherein the neural network is associated with the state of resource utilization.

19 . The network entity of claim 15 , wherein the second signaling further indicates a duration during which the first modification to the first compression scheme occurred, a neural network associated with the first compression scheme, the first spatial layer, or any combination thereof.

20 . The network entity of claim 15 , wherein the instructions are further executable by the processor to cause the network entity to:

output third signaling that indicates a first rank associated with wireless communication via the cell, wherein the first modification is based at least in part on the first rank.

21 . The network entity of claim 20 , wherein the instructions are further executable by the processor to cause the network entity to:

obtain fourth signaling in response to outputting the third signaling, wherein the fourth signaling indicates a request to use a second rank for wireless communication via the cell, and wherein the second rank is based at least in part on the first rank.

22 . The network entity of claim 15 , wherein the second signaling further indicates a second modification to a second compression scheme used for compressing second channel state information associated with the second spatial layer of the multiple spatial layers, and wherein the second modification is based at least in part on the state of resource utilization.

23 . The network entity of claim 22 , wherein the first modification identifies a first quantity of bits used for compression of the first channel state information and the second modification identifies a second quantity of bits used for compression of the second channel state information, and the first quantity of bits is greater than the second quantity of bits.

24 . The network entity of claim 23 , wherein a first accuracy associated with compression of the first channel state information is greater than a second accuracy associated with compression of the second channel state information based at least in part on the first quantity of bits being greater than the second quantity of bits.

25 . The network entity of claim 22 , wherein the first modification identifies a first quantity of bits used for compression of the first channel state information and the second modification identifies a second quantity of bits used for compression of the second channel state information, and wherein the first quantity of bits is less than the second quantity of bits.

26 . The network entity of claim 25 , wherein a first accuracy associated with compression of the first channel state information and a second accuracy associated with compression of the second channel state information satisfy a threshold based at least in part on the first quantity of bits being less than the second quantity of bits.

27 . The network entity of claim 15 , wherein the instructions are further executable by the processor to cause the network entity to:

determine the state of resource utilization based at least in part on an uplink resource block usage associated with at least the cell, a downlink resource block usage associated with at least the cell, or both.

28 . A method for wireless communication at a user equipment (UE), comprising:

receiving first signaling from a network entity via a cell, the first signaling indicates a state of resource utilization associated with at least the cell; and

modifying a first compression scheme in accordance with the state of resource utilization, the first compression scheme is used for compressing first channel state information associated with a first spatial layer in a multiple spatial layer wireless communication between the UE and the network entity via the cell, wherein the UE is configured to use at least the first compression scheme for compressing channel state information associated with the first spatial layer and a second compression scheme for compressing channel state information associated with a second spatial layer of the multiple spatial layers in accordance with the state of resource utilization, the first compression scheme being different from the second compression scheme in accordance with the first spatial layer corresponding to a higher energy relative to the second spatial layer.

29 . The method of claim 28 , further comprising:

receiving second signaling from the network entity via the cell, wherein the second signaling indicates an allocation of resources for transmission of a channel state feedback message to the network entity, and wherein the allocation of resources is based at least in part on the state of resource utilization.

30 . A method for wireless communication at a network entity, comprising:

outputting first signaling via a cell that indicates a state of resource utilization associated with at least the cell; and

obtaining second signaling via the cell that indicates a first modification to a first compression scheme used for compressing first channel state information associated with a first spatial layer in a multiple spatial layer wireless communication via the cell, the first modification is based at least in part on the state of resource utilization, wherein the first compression scheme is used for compressing channel state information associated with the first spatial layer and a second compression scheme is used for compressing channel state information associated with a second spatial layer of the multiple spatial layers in accordance with the state of resource utilization, the first compression scheme being different from the second compression scheme in accordance with the first spatial layer corresponding to a higher energy relative to the second spatial layer.