Power control for concurrent transmissions

1. A method of wireless communication performed by a wireless relay node, comprising:

determining, by the wireless relay node when in communication with a plurality of other wireless nodes via a plurality of links of a network, a plurality of transmit powers for concurrent transmission on the plurality of links,

wherein the wireless relay node is a first wireless node,

wherein the plurality of other wireless nodes include a second wireless node and a third wireless node,

wherein the second wireless node is a parent node of the first wireless node, and

wherein the third wireless node is a child node of the first wireless node; and

concurrently transmitting, by the wireless relay node using the plurality of transmit powers for the plurality of links, an uplink transmission to the second wireless node and a downlink transmission to the third wireless node,

wherein the plurality of transmit powers comprises:

a first transmit power for the downlink transmission, and

a second transmit power, for the uplink transmission, that is determined based at least in part on information identifying the first transmit power,

wherein the first transmit power is determined semi-statically, and

wherein the second transmit power is controlled by another wireless node.

2. The method of claim 1 , wherein the first wireless node communicates with the second wireless node using a first link of the plurality of links and the first wireless node communicates with the third wireless node using a second link of the plurality of links;

wherein the first wireless node schedules communications on the second link; and

wherein communications on the first link are scheduled by the second wireless node.

3. The method of claim 1 , wherein the first wireless node communicates with the second wireless node using a first link of the plurality of links and the first wireless node communicates with the third wireless node using a second link of the plurality of links;

wherein communications on the first link are scheduled by the second wireless node; and

wherein communications on the second link are scheduled by the third wireless node.

4. The method of claim 1 , wherein the plurality of transmit powers are selected to share a plurality of portions of a maximum transmit power criterion of the wireless relay node.

5. The method of claim 1 , wherein the plurality of transmit powers is determined based at least in part on received signaling from a central unit of the network.

6. The method of claim 1 , wherein the plurality of transmit powers is controlled by the wireless relay node.

7. The method of claim 1 , wherein the plurality of transmit powers is determined based at least in part on received signaling from one or more of the second wireless node, the third wireless node, or another wireless node of the plurality of other wireless nodes.

8. The method of claim 1 , wherein the plurality of transmit powers is determined based at least in part on a scheduler node for the wireless relay node.

9. The method of claim 1 , wherein the plurality of transmit powers is determined based at least in part on received signaling from a group of wireless nodes,

wherein the group of wireless nodes includes one or more of the wireless relay node, the second wireless node, or the third wireless node.

10. The method of claim 1 , wherein the plurality of transmit powers is determined based at least in part on stored information identifying a transmit power configuration.

11. The method of claim 1 , wherein the plurality of transmit powers is determined based at least in part on upper layer signaling.

12. The method of claim 1 , further comprising:

transmitting signaling relating to a transmit power, of the plurality of transmit powers, to at least one of:

another wireless node,

a central unit, or

an upper layer of the network.

13. The method of claim 1 , wherein signaling provided to the wireless relay node or by the wireless relay node, relating to a transmit power, of the plurality of transmit powers, includes information identifying at least one of:

a configuration parameter,

a request for information identifying the configuration parameter,

an approval of the configuration parameter,

a disapproval of the configuration parameter,

a measurement,

a capability indication,

a limitation indication, or

a schedule.

14. The method of claim 1 , wherein signaling provided to the wireless relay node or by the wireless relay node, relating to a transmit power, of the plurality of transmit powers, is provided via at least one of:

a downlink control information signal,

an uplink control information signal,

a media access control (MAC) control element (CE) signal,

a radio resource control signal,

a master information block signal,

a system information block signal,

a reference signal,

a synchronization signal,

an upper layer signaling signal,

an F1-AP signal, or

a beam reference signal.

15. The method of claim 1 , wherein a transmit power, of the plurality of transmit powers, is statically determined.

16. The method of claim 1 , wherein a transmit power, of the plurality of transmit powers, is dynamically determined.

17. The method of claim 1 ,

wherein the second transmit power is dynamically determined.

18. The method of claim 1 , wherein a transmit power, of the plurality of transmit powers, is determined based at least in part on at least one of:

a type of signal for transmission on a link of the plurality of links,

a type of the wireless relay node,

a type of another wireless node,

a state of the wireless relay node,

a state of the other wireless node,

a timing of the signal for transmission on the link of the plurality of links,

a capability of at least one wireless node, or

an angular direction of the signal for transmission on the link of the plurality of links.

19. A wireless relay node for wireless communication, comprising:

a memory; and

one or more processors coupled to the memory, the memory and the one or more processors configured to:

determine a plurality of transmit powers for concurrent transmission on a plurality of links of a network,

wherein the wireless relay node is a first wireless node,

wherein a second wireless node is a parent node of the first wireless node, and

wherein a third wireless node is a child node of the first wireless node; and

concurrently transmit, using the plurality of transmit powers for the plurality of links, an uplink transmission to the second wireless node and a downlink transmission to the third wireless node,

wherein the plurality of transmit powers comprises:

a first transmit power for the downlink transmission, and

a second transmit power, for the uplink transmission, that is determined based at least in part on information identifying the first transmit power,

wherein the first transmit power is determined semi-statically, and

wherein the second transmit power is controlled by another wireless node.

20. The wireless relay node of claim 19 , wherein the first wireless node is configured to communicate with the second wireless node using a first link of the plurality of links and the first wireless node is configured to communicate with the third wireless node using a second link of the plurality of links; and

wherein communications on the first link are scheduled by the second wireless node and communications on the second link are scheduled by the first wireless node.

21. The wireless relay node of claim 19 , wherein the first wireless node is configured to communicate with the second wireless node using a first link of the plurality of links and the first wireless node is configured to communicate with the third wireless node using a second link of the plurality of links; and

wherein communications on the first link are scheduled by the second wireless node and communications on the second link are scheduled by the third wireless node.

22. A non-transitory computer-readable medium storing one or more instructions for wireless communication, the one or more instructions comprising:

one or more instructions that, when executed by one or more processors of a wireless relay node, cause the one or more processors to:

determine a plurality of transmit powers for concurrent transmission on a plurality of links of a network,

wherein the wireless relay node is a first wireless node,

wherein a second wireless node is a parent node of the first wireless node, and

wherein a third wireless node is a child node of the first wireless node; and

concurrently transmit, using the plurality of transmit powers for the plurality of links, an uplink transmission to the second wireless node and a downlink transmission to the third wireless node,

wherein the plurality of transmit powers comprises:

a first transmit power for the downlink transmission, and

a second transmit power, for the uplink transmission, that is determined based at least in part on information identifying the first transmit power,

wherein the first transmit power is determined semi-statically, and

wherein the second transmit power is controlled by another wireless node.

23. The non-transitory computer-readable medium of claim 22 , wherein the one or more instructions further cause the one or more processors to communicate with the second wireless node using a first link of the plurality of links and the one or more instructions further cause the one or more processors to communicate with the third wireless node using a second link of the plurality of links; and

wherein communications on the first link are scheduled by the second wireless node and communications on the second link are scheduled by the first wireless node.

24. The non-transitory computer-readable medium of claim 22 , wherein the one or more instructions further cause the one or more processors to communicate with the second wireless node using a first link of the plurality of links and the one or more instructions further cause the one or more processors to communicate with the third wireless node using a second link of the plurality of links; and

wherein communications on the first link are scheduled by the second wireless node and communications on the second link are scheduled by the third wireless node.

25. An apparatus for wireless communication, comprising:

means for determining a plurality of transmit powers for concurrent transmission on a plurality of links of a network,

wherein the apparatus is a first wireless node,

wherein a second wireless node is a parent node of the first wireless node, and

wherein a third wireless node is a child node of the first wireless node; and

means for concurrently transmitting, using the plurality of transmit powers for the plurality of links, an uplink transmission to the second wireless node and a downlink transmission to the third wireless node,

wherein the plurality of transmit powers comprises:

a first transmit power for the downlink transmission, and

a second transmit power, for the uplink transmission, that is determined based at least in part on information identifying the first transmit power,

wherein the first transmit power is determined semi-statically, and

wherein the second transmit power is controlled by another wireless node.

26. The apparatus of claim 25 , further comprising:

means for communicating with the second wireless node using a first link of the plurality of links and with the third wireless node using a second link of the plurality of links,

wherein communications on the first link are scheduled by the second wireless node and communications on the second link are scheduled by the first wireless node.

27. The apparatus of claim 25 , further comprising:

means for communicating with the second wireless node using a first link of the plurality of links and with the third wireless node using a second link of the plurality of links,

wherein communications on the first link are scheduled by the second wireless node and communications on the second link are scheduled by the third wireless node.

28. The method of claim 2 , wherein the first wireless node is an integrated access/backhaul (IAB) node.

29. The method of claim 2 ,

wherein the first wireless node is a first user equipment,

wherein the second wireless node is a base station, and

wherein the third wireless node is a second user equipment.

30. A method of wireless communication performed by a first wireless node that is a wireless relay node, comprising:

determining, by the wireless relay node when in communication with a second wireless node and a third wireless node, a plurality of transmit powers for concurrent transmission on a plurality of links associated with the second wireless node and the third wireless node, the second wireless node being a parent node of the first wireless node, and the third wireless node being a child node of the first wireless node; and

transmitting, by the wireless relay node using the plurality of transmit powers for the plurality of links, an uplink transmission to the second wireless node and a downlink transmission to the third wireless node,

wherein a first transmit power, of the plurality of transmit powers, for the downlink transmission is determined based at least in part on a power sharing prioritization rule and a message associated with identifying a second transmit power, of the plurality of transmit powers, for the uplink transmission.

31. The method of claim 30 , wherein the first wireless node is a user equipment.

32. A first wireless node that is a wireless relay node, comprising:

a memory; and

one or more processors coupled to the memory, the memory and the one or more processors configured to:

determine a plurality of transmit powers for concurrent transmission on a plurality of links associated with a second wireless node and a third wireless node, the second wireless node being a parent node of the first wireless node, and the third wireless node being a child node of the first wireless node; and

transmit, using the plurality of transmit powers for the plurality of links, an uplink transmission to the second wireless node and a downlink transmission to the third wireless node,

wherein a first transmit power, of the plurality of transmit powers, for the downlink transmission is determined based at least in part on a power sharing prioritization rule and a message associated with identifying a second transmit power, of the plurality of transmit powers, for the uplink transmission.

33. The first wireless node of claim 32 , wherein the first wireless node is a user equipment.

34. A non-transitory computer-readable medium storing one or more instructions for wireless communication, the one or more instructions comprising:

one or more instructions that, when executed by one or more processors of a first wireless node that is a wireless relay node, cause the one or more processors to:

determine a plurality of transmit powers for concurrent transmission on a plurality of links associated with a second wireless node and a third wireless node, the second wireless node being a parent node of the first wireless node, and the third wireless node being a child node of the first wireless node; and

transmit, using the plurality of transmit powers for the plurality of links, an uplink transmission to the second wireless node and a downlink transmission to the third wireless node,

wherein a first transmit power, of the plurality of transmit powers, for the downlink transmission is determined based at least in part on a power sharing prioritization rule and a message associated with identifying a second transmit power, of the plurality of transmit powers, for the uplink transmission.

35. The non-transitory computer-readable medium of claim 34 , wherein the first wireless node is a user equipment.

36. A first wireless node that is a wireless relay node, comprising:

means for determining a plurality of transmit powers for concurrent transmission on a plurality of links associated with a second wireless node and a third wireless node, the second wireless node being a parent node of the first wireless node, and the third wireless node being a child node of the first wireless node; and

means for transmitting, using the plurality of transmit powers for the plurality of links, an uplink transmission to the second wireless node and a downlink transmission to the third wireless node,

wherein a first transmit power, of the plurality of transmit powers, for the downlink transmission is determined based at least in part on a power sharing prioritization rule and a message associated with identifying a second transmit power, of the plurality of transmit powers, for the uplink transmission.

37. The first wireless node of claim 36 , wherein the first wireless node is a user equipment.

38. The first wireless node of claim 32 , wherein the message is provided by the second wireless node.

39. The method of claim 30 , wherein the message is provided by the second wireless node.