Channel state information reference signal configuration

1. A method for wireless communication at a user equipment, the method comprising:

receiving, from a base station, a channel state information reference signal configuration (CSI-RS configuration) that indicates a period and a plurality of offsets, wherein the period and the plurality of offsets are associated with a channel state information reference signal (CSI-RS) transmission;

receiving the CSI-RS transmission from the base station via a wireless channel of a shared radio frequency spectrum band according to the period and at least one of the plurality of offsets;

receiving an indication that one or more of the plurality of offsets was not used for the CSI-RS transmission; and

transmitting, to the base station, a measurement report based on the CSI-RS transmission.

2. The method of claim 1 , wherein the CSI-RS configuration comprises a CSI-ResourcePeriodicityAndOffset parameter that indicates the period and the plurality of offsets.

3. The method of claim 1 , wherein the CSI-RS configuration comprises:

a first CSI-ResourcePeriodicityAndOffset parameter that indicates the period and a first one of the plurality of offsets; and

a second CSI-ResourcePeriodicityAndOffset parameter that indicates the period and a second one of the plurality of offsets.

4. The method of claim 3 , wherein a CSI-RS-Resource config parameter comprises the first CSI-ResourcePeriodicityAndOffset parameter and the second CSI-ResourcePeriodicityAndOffset parameter.

5. The method of claim 1 , wherein the CSI-RS configuration comprises:

a first CSI-ResourcePeriodicityAndOffset parameter that indicates a first period and a first one of the plurality of offsets; and

a second CSI-ResourcePeriodicityAndOffset parameter that indicates a second period and a second one of the plurality of offsets, wherein the second period is different from the first period.

6. The method of claim 5 , wherein a CSI-RS-Resource config parameter comprises the first CSI-ResourcePeriodicityAndOffset parameter and the second CSI-ResourcePeriodicityAndOffset parameter.

7. The method of claim 1 , further comprising:

generating the measurement report based on a measurement conducted using one of the plurality of offsets.

8. The method of claim 1 , further comprising:

receiving downlink control information comprising a zero-power CSI-RS (ZP-CSI-RS) indicator; and

rate matching into a resource associated with the ZP-CSI-RS indicator, wherein the resource corresponds to the one or more of the plurality of offsets that was not used for transmission of the CSI-RS.

9. The method of claim 1 , further comprising:

receiving a slot format indicator (SFI) that indicates that a first symbol corresponding to a first one of the plurality of offsets is designated as a flexible symbol; and

canceling a measurement of the first symbol as a result of receiving the SFI that indicates that the first symbol is designated as a flexible symbol.

10. The method of claim 1 , wherein receiving the CSI-RS transmission comprises receiving a CSI-RS multiplexed with a synchronization signal block (SSB).

11. The method of claim 1 , wherein receiving the CSI-RS transmission comprises receiving a CSI-RS multiplexed with a discovery reference signal (DRS).

12. The method of claim 1 , wherein receiving the CSI-RS configuration comprises receiving the CSI-RS configuration via downlink control information or a physical broadcast channel message.

13. A user equipment, comprising:

a transceiver;

one or more memories storing processor-executable code; and

one or more processors configured to execute the processor-executable code to cause the user equipment to:

receive, from a base station via the transceiver, a channel state information reference signal configuration (CSI-RS configuration) that indicates a period and a plurality of offsets, wherein the period and the plurality of offsets are associated with a channel state information reference signal (CSI-RS) transmission;

receive the CSI-RS transmission from the base station via the transceiver and a wireless channel of a shared radio frequency spectrum band according to the period and at least one of the plurality of offsets;

receive, via the transceiver, an indication that one or more of the plurality of offsets was not used for the CSI-RS transmission; and

transmit, to the base station via the transceiver, a measurement report based on the CSI-RS transmission.

14. The user equipment of claim 13 , wherein the CSI-RS configuration comprises a CSI-ResourcePeriodicityAndOffset parameter that indicates the period and the plurality of offsets.

15. A method for wireless communication at a base station, the method comprising:

transmitting, to a user equipment, a channel state information reference signal configuration (CSI-RS configuration) that indicates a period and a plurality of offsets, wherein the period and the plurality of offsets are associated with a channel state information reference signal (CSI-RS) transmission;

transmitting the CSI-RS transmission to the user equipment via a wireless channel of a shared radio frequency spectrum band according to the period and at least one of the plurality of offsets;

transmitting to the user equipment an indication that one or more of the plurality of offsets was not used for the CSI-RS transmission; and

receiving a measurement report from the user equipment after sending the CSI-RS.

16. The method of claim 15 , wherein the CSI-RS configuration comprises a CSI-ResourcePeriodicityAndOffset parameter that indicates the period and the plurality of offsets.

17. The method of claim 15 , wherein the CSI-RS configuration comprises:

a first CSI-ResourcePeriodicityAndOffset parameter that indicates the period and a first one of the plurality of offsets; and

a second CSI-ResourcePeriodicityAndOffset parameter that indicates the period and a second one of the plurality of offsets.

18. The method of claim 17 , wherein a CSI-RS-Resource config parameter comprises the first CSI-ResourcePeriodicityAndOffset parameter and the second CSI-ResourcePeriodicityAndOffset parameter.

19. The method of claim 15 , wherein the CSI-RS configuration comprises:

a first CSI-ResourcePeriodicityAndOffset parameter that indicates a first period and a first one of the plurality of offsets; and

a second CSI-ResourcePeriodicityAndOffset parameter that indicates a second period and a second one of the plurality of offsets, wherein the second period is different from the first period.

20. The method of claim 19 , wherein a CSI-RS-Resource config parameter comprises the first CSI-ResourcePeriodicityAndOffset parameter and the second CSI-ResourcePeriodicityAndOffset parameter.

21. The method of claim 15 , wherein the measurement report is based on a measurement conducted using one of the plurality of offsets.

22. The method of claim 15 , further comprising:

transmitting downlink control information comprising a zero-power CSI-RS (ZP-CSI-RS) indicator, wherein the ZP-CSI-RS indicator corresponds to a resource allocated for the one or more of the plurality of offsets that was not used for the CSI-RS transmission.

23. The method of claim 15 , further comprising:

transmitting a slot format indicator (SFI) that indicates that a first symbol corresponding to a first one of the plurality of offsets is designated as a flexible symbol, wherein the first symbol corresponds to the one or more of the plurality of offsets that was not used for the CSI-RS transmission.

24. The method of claim 15 , wherein transmitting the CSI-RS transmission comprises transmitting a CSI-RS multiplexed with a synchronization signal block (SSB).

25. The method of claim 15 , wherein transmitting the CSI-RS comprises transmitting a CSI-RS multiplexed with a discovery reference signal (DRS).

26. The method of claim 15 , wherein transmitting the CSI-RS configuration comprises transmitting the CSI-RS configuration via downlink control information or a physical broadcast channel message.

27. The method of claim 15 , further comprising:

determining at least one communication parameter for communicating with the user equipment based on the measurement report.

28. A base station, comprising:

a transceiver;

one or more memories storing processor-executable code; and

one or more processors configured to execute the processor-executable code to cause the base station to:

transmit, to a user equipment via the transceiver, a channel state information reference signal configuration (CSI-RS configuration) that indicates a period and a plurality of offsets, wherein the period and the plurality of offsets are associated with a channel state information reference signal (CSI-RS) transmission;

transmit the CSI-RS transmission to the user equipment via the transceiver and a wireless channel of a shared radio frequency spectrum band according to the period and at least one of the plurality of offsets;

transmit, to the user equipment via the transceiver, an indication that one or more of the plurality of offsets was not used for the CSI-RS transmission; and

receive a measurement report from the user equipment via the transceiver after sending the CSI-RS.