Aperiodic channel state information physical uplink shared channel repetition with demodulation reference signal bundling

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

determining a first set of demodulation reference signal symbols associated with a first hop of a set of hops and a second set of demodulation reference signal symbols associated with a second hop of the set of hops in a time domain or a frequency domain;

coherently transmitting, based at least in part on the determining and with a first transmit power, the first set of demodulation reference signal symbols associated with the first hop of the set of hops, wherein the first transmit power is constant over the first hop of the set of hops; and

coherently transmitting, based at least in part on the determining and with a second transmit power different from the first transmit power, the second set of demodulation reference signal symbols associated with the second hop of the set of hops, wherein the second transmit power is constant over the second hop of the set of hops.

2. The method of claim 1 , further comprising:

receiving signaling comprising an indication of a set of resources of one or more physical uplink channels associated with the first hop of the set of hops in the time domain or the frequency domain wherein the UE coherently transmits the one or more physical uplink channels, wherein the first set of demodulation reference signal symbols associated with the first hop of the set of hops correspond to the one or more physical uplink channels.

3. The method of claim 2 , further comprising:

determining the set of resources of the one or more physical uplink channels associated with the first hop of the set of hops in the time domain or the frequency domain based at least in part on the indication, wherein the one or more physical uplink channels and one or more demodulation reference signals are time division multiplexed or frequency division multiplexed, or a combination thereof.

4. The method of claim 1 , further comprising:

receiving signaling comprising an indication of the second set of demodulation reference signal symbols associated with the second hop of the set of hops,

wherein determining the second set of demodulation reference signal symbols is based at least in part on the indication.

5. The method of claim 1 , further comprising:

receiving signaling comprising an indication of a set of resources of one or more physical uplink channels associated with the second hop of the set of hops; and

determining the set of resources of the one or more physical uplink channels associated with the second hop of the set of hops in the time domain or the frequency domain based at least in part on the indication, wherein the set of resources comprises a set of symbols or a set of slots.

6. The method of claim 5 , wherein a quantity of resources of the set of resources of the one or more physical uplink channels associated with the first hop of the set of hops and a quantity of resources of the set of resources of the one or more physical uplink channels associated with the second hop of the set of hops are different or the same.

7. The method of claim 1 , wherein a quantity of demodulation reference signal symbols of the first set of demodulation reference signal symbols associated with the first hop of the set of hops and a quantity of demodulation reference signal symbols of the second set of demodulation reference signal symbols associated with the second hop of the set of hops are different or the same.

8. The method of claim 1 , further comprising:

determining the first transmit power for one or more physical uplink channels associated with the first hop of the set of hops; and

transmitting the one more physical uplink channels associated with the first hop of the set of hops according to the first transmit power.

9. The method of claim 8 , further comprising:

determining the second transmit power for one or more physical uplink channels associated with the second hop of the set of hops; and

transmitting the one more physical uplink channels associated with the second hop of the set of hops according to the second transmit power.

10. The method of claim 9 , further comprising:

receiving signaling comprising an indication of a difference between the first transmit power and the second transmit power, wherein the signaling comprises radio resource control signaling or system information signaling, or a combination thereof.

11. The method of claim 9 , further comprising:

determining a difference between the first transmit power and the second transmit power based on a parameter; and

performing, based at least in part on an absence of a frequency hopping associated with the set of hops, a power ramping operation according to the difference between the first transmit power and the second transmit power.

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

determining a first set of demodulation reference signal symbols associated with a first hop of a set of hops in a time domain or a frequency domain;

determining a second set of demodulation reference signal symbols associated with a second hop of the set of hops in the time domain or the frequency domain; and

transmitting signaling comprising an indication of one or more of the first set of demodulation reference signal symbols associated with the first hop and a first transmit power constant over the first hop, or the second set of demodulation reference signal symbols associated with the second hop and a second transmit power different from the first transmit power and constant over the second hop.

13. The method of claim 12 , further comprising:

determining a first set of resources of one or more physical uplink channels associated with the first hop of the set of hops;

determining a second set of resources of one or more physical uplink channels associated with the second hop of the set of hops; and

transmitting a second signaling including a second indication of one or more of the first set of resources of the one or more physical uplink channels associated with the first hop or the second set of resources of the one or more physical uplink channels associated with the second hop.

14. The method of claim 13 , wherein a quantity of resources of the first set of resources of the one or more physical uplink channels associated with the first hop and a quantity of resources of the second set of resources of the one or more physical uplink channels associated with the second hop are different or the same.

15. The method of claim 12 , wherein a quantity of demodulation reference signal symbols of the first set of demodulation reference signal symbols associated with the first hop and a quantity of demodulation reference signal symbols of the second set of demodulation reference signal symbols associated with the second hop are different or the same.

16. The method of claim 12 , further comprising:

transmitting signaling including an indication of a difference between the first transmit power associated with the first hop and the second transmit power associated with the second hop.

17. The method of claim 16 , wherein the signaling includes RRC signaling.

18. The method of claim 16 , wherein the signaling includes system information signaling.

19. An apparatus for wireless communications, comprising:

a processor;

memory coupled with the processor; and

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

determine a first set of demodulation reference signal symbols associated with a first hop of a set of hops and a second set of demodulation reference signal symbols associated with a second hop of the set of hops in a time domain or a frequency domain;

coherently transmit, based at least in part on the determining and with a first transmit power, the first set of demodulation reference signal symbols associated with the first hop of the set of hops, wherein the first transmit power is constant over the first hop of the set of hops; and

coherently transmit, based at least in part on the determining and with a second transmit power different from the first transmit power, the second set of demodulation reference signal symbols associated with the second hop of the set of hops, wherein the second transmit power is constant over the second hop of the set of hops.

20. The apparatus of claim 19 , wherein the instructions are further executable by the processor to cause the apparatus to:

receive signaling comprising an indication of a set of resources of one or more physical uplink channels associated with the first hop of the set of hops in the time domain or the frequency domain wherein the apparatus coherently transmits the one or more physical uplink channels, wherein the first set of demodulation reference signal symbols associated with the first hop of the set of hops correspond to the one or more physical uplink channels.

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

determine the set of resources of the one or more physical uplink channels associated with the first hop of the set of hops in the time domain or the frequency domain based at least in part on the indication, wherein the one or more physical uplink channels and one or more demodulation reference signals are time division multiplexed or frequency division multiplexed, or a combination thereof.

22. The apparatus of claim 19 , wherein the instructions are further executable by the processor to cause the apparatus to:

receive signaling comprising an indication of the second set of demodulation reference signal symbols associated with the second hop of the set of hops,

wherein the instructions, to determine the second set of demodulation reference signal symbols, are further executable by the processor based at least in part on the indication.

23. The apparatus of claim 19 , wherein the instructions are further executable by the processor to cause the apparatus to:

receive signaling comprising an indication of a set of resources of one or more physical uplink channels associated with the second hop of the set of hops; and

determine the set of resources of the one or more physical uplink channels associated with the second hop of the set of hops in the time domain or the frequency domain based at least in part on the indication, wherein the set of resources comprises a set of symbols or a set of slots.

24. An apparatus for wireless communications, comprising:

a processor;

memory coupled with the processor; and

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

determine a first set of demodulation reference signal symbols associated with a first hop of a set of hops in a time domain or a frequency domain;

determine a second set of demodulation reference signal symbols associated with a second hop of the set of hops in the time domain or the frequency domain; and

transmit signaling comprising an indication of one or more of the first set of demodulation reference signal symbols associated with a first hop and a first transmit power constant over the first hop, or the second set of demodulation reference signal symbols associated with the second hop and a second transmit power different from the first transmit power and constant over the second hop.

25. The apparatus of claim 24 , wherein the instructions are further executable by the processor to cause the apparatus to:

determine a first set of resources of one or more physical uplink channels associated with the first hop of the set of hops;

determine a second set of resources of one or more physical uplink channels associated with the second hop of the set of hops; and

transmit a second signaling including a second indication of one or more of the first set of resources of the one or more physical uplink channels associated with the first hop or the second set of resources of the one or more physical uplink channels associated with the second hop.

26. The apparatus of claim 25 , wherein a quantity of resources of the first set of resources of the one or more physical uplink channels associated with the first hop and a quantity of resources of the second set of resources of the one or more physical uplink channels associated with the second hop are different or the same.

27. The apparatus of claim 24 , wherein a quantity of demodulation reference signal symbols of the first set of demodulation reference signal symbols associated with the first hop and a quantity of demodulation reference signal symbols of the second set of demodulation reference signal symbols associated with the second hop are different or the same.

28. The apparatus of claim 24 , wherein the instructions are further executable by the processor to cause the apparatus to:

transmit signaling including an indication of a difference between the first transmit power associated with the first hop and the second transmit power associated with the second hop.