Simultaneous communication capability signaling in an integrated access and backhaul network
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a node in a wireless network may transmit an indication of a capability of the node for simultaneous communication with respect to at least one of: multiple parent nodes of the node, multiple mobile termination components of the node, multiple transmit receive points of the node, multiple cells of the node, or a combination thereof; and communicate with another node in the wireless network based at least in part on the capability. Numerous other aspects are provided.
1. A node for wireless communication in a wireless network, comprising:
a memory; and
one or more processors coupled to the memory, wherein the one or more processors are configured to:
transmit an indication of a capability of the node to simultaneously communicate with multiple parent nodes of the node, wherein the node comprises and integrated access and backhaul node, wherein the capability to simultaneously communicate comprises a support of simultaneous transmission and reception with multiple parent nodes of the node; and
communicate with another node in the wireless network based at least in part on the capability of the node to simultaneously communicate with multiple parent nodes of the node.
2. The node of claim 1 , wherein the indication of the capability indicates at least one of:
whether the node supports simultaneous transmission via multiple cells of the node,
whether the node supports simultaneous reception via multiple cells of the node,
whether the node supports simultaneous transmission by a first cell of the node and reception by a second cell of the node, or
a combination thereof.
3. The node of claim 1 , wherein a plurality of cells of the node includes at least one of:
multiple cells of a distributed unit component of the node,
multiple cells corresponding to multiple transmit receive points of a distributed unit component of the node, or
a combination thereof.
4. The node of claim 1 , wherein the indication of the capability identifies one or more cells that the node is capable of using for simultaneous communication.
5. The node of claim 1 , wherein the indication of the capability indicates
that the node supports simultaneous transmission and reception associated with multiple parent nodes of the node.
6. The node of claim 1 , wherein the indication of the capability identifies the multiple parent nodes with which the node is capable of simultaneous communication.
7. The node of claim 1 ,
wherein the indication of the capability indicates at least one of:
whether the node supports simultaneous transmission by multiple mobile termination components of the node, whether the node supports simultaneous reception by multiple mobile termination components of the node,
whether the node supports simultaneous transmission by a first mobile termination component of the node and reception by a second mobile termination component of the node, or
a combination thereof.
8. The node of claim 1 , wherein the indication of the capability identifies a plurality of multiple mobile termination components that the node is capable of using for simultaneous communication.
9. The node of claim 1 , wherein the indication of the capability indicates at least one of:
whether the node supports simultaneous transmission by multiple transmit receive points of the node,
whether the node supports simultaneous reception by multiple transmit receive points of the node,
whether the node supports simultaneous transmission by a first transmit receive point of the node and reception by a second transmit receive point of the node, or
a combination thereof.
10. The node of claim 1 , wherein the indication of the capability indicates at least one of:
whether the node supports simultaneous communication by a mobile termination component of the node and a transmit receive point of a distributed unit of the node,
whether the node supports simultaneous communication by a distributed unit of the node and a transmit receive point of a mobile termination component of the node,
whether the node supports simultaneous communication by a transmit receive point of a distributed unit of the node and a transmit receive point of a mobile termination component of the node,
whether the node supports simultaneous communication by a first transmit receive point of a mobile termination component of the node and a second transmit receive point of the mobile termination component of the node,
whether the node supports simultaneous communication by a first transmit receive point of a distributed unit of the node and a second transmit receive point of the distributed unit of the node, or
a combination thereof.
11. The node of claim 1 , wherein a plurality of multiple transmit receive points of the node includes at least one of:
multiple transmit receive points of a mobile termination component of the node,
multiple transmit receive points of a distributed unit component of the node,
a first transmit receive point of a mobile termination component of the node and a second transit receive point of a distributed unit component of the node, or
a combination thereof.
12. The node of claim 1 , wherein the indication of the capability identifies one or more transmit receive points that the node is capable of using for simultaneous communication.
13. The node of claim 1 , wherein the indication of the capability of the node is for at least one of:
all combinations of parent nodes of the node,
all combinations of mobile termination components of the node,
all combinations of transmit receive points of the node,
all combinations of cells of the node, or
a combination thereof.
14. The node of claim 1 , wherein the one or more processors, when communicating with another node in the wireless network based at least in part on the capability, are configured to receive at least one of a configuration or a resource allocation based at least in part on the capability.
15. The node of claim 1 , wherein the indication of the capability of the node is transmitted based at least in part on a report configuration received by the node.
16. The node of claim 15 , wherein the report configuration indicates at least one of:
a combination of parent nodes of the node for which the capability of the node is to be reported,
a combination of mobile termination components of the node for which the capability of the node is to be reported,
a combination of transmit receive points of the node for which the capability of the node is to be reported, or
a combination thereof.
17. The node of claim 1 , wherein the indication of the capability of the node includes an indication of whether the capability is conditional or unconditional.
18. The node of claim 17 , wherein the indication of whether the capability is conditional or unconditional includes an indication of a condition to which the capability of the node to simultaneously communicate is subject.
19. The node of claim 1 , wherein the one or more processors are further configured to:
receive a configuration or a resource allocation based at least in part on the indication of the capability; and
transmit an indication of whether the node supports the configuration or the resource allocation based at least in part on a condition associated with the capability of the node to simultaneously communicate.
20. The node of claim 1 , wherein the one or more processors are further configured to:
receive downlink control information that indicates a first set of resources scheduled for the node for communication with a first parent node of the node;
determine that the first set of resources conflicts with a second set of resources scheduled for the node for communication with a second parent node of the node due to a condition associated with the capability of the node to simultaneously communicate; and
transmit, in uplink control information, an indication that the node is not capable of communicating using the first set of resources based at least in part on the determination.
21. A control node for wireless communication in a wireless network, comprising:
a memory; and
one or more processors coupled to the memory, wherein the one or more processors are configured to:
receive an indication of a capability of a node in the wireless network to simultaneously communicate with multiple parent nodes of the node, wherein the node comprises an integrated access and backhaul node, wherein the capability to simultaneously communicate comprises a support of simultaneous transmission and reception with multiple parent nodes of the node; and
communicate with the node based at least in part on the capability of the node to simultaneously communicate with multiple parent nodes of the node.
22. The control node of claim 21 , wherein the indication of the capability indicates at least one of:
whether the node supports simultaneous transmission via multiple cells of the node,
whether the node supports simultaneous reception via multiple cells of the node,
whether the node supports simultaneous transmission by a first cell of the node and reception by a second cell of the node, or
a combination thereof.
23. The control node of claim 21 , wherein a plurality of cells of the node includes at least one of:
multiple cells of a distributed unit component of the node,
multiple cells corresponding to multiple transmit receive points of a distributed unit component of the node, or
a combination thereof.
24. The control node of claim 21 ,
wherein the indication of the capability identifies a plurality of cells that the node is capable of using for simultaneous communication.
25. The control node of claim 21 , wherein the indication of the capability indicates that the node supports simultaneous transmission and reception associated with multiple parent nodes of the node.
26. The control node of claim 21 , wherein the indication of the capability identifies a plurality of multiple parent nodes with which the node is capable of simultaneous communication.
27. The control node of claim 21 , wherein the indication of the capability indicates at least one of:
whether the node supports simultaneous transmission by multiple mobile termination components of the node,
whether the node supports simultaneous reception by multiple mobile termination components of the node,
whether the node supports simultaneous transmission by a first mobile termination component of the node and reception by a second mobile termination component of the node, or
a combination thereof.
28. The control node of claim 21 , wherein the indication of the capability indicates at least one of:
whether the node supports simultaneous transmission by multiple transmit receive points of the node,
whether the node supports simultaneous reception by multiple transmit receive points of the node,
whether the node supports simultaneous transmission by a first transmit receive point of the node and reception by a second transmit receive point of the node, or
a combination thereof.
29. The control node of claim 21 , wherein the indication of the capability indicates at least one of:
whether the node supports simultaneous communication by a mobile termination component of the node and a transmit receive point of a distributed unit of the node,
whether the node supports simultaneous communication by a distributed unit of the node and a transmit receive point of a mobile termination component of the node,
whether the node supports simultaneous communication by a transmit receive point of a distributed unit of the node and a transmit receive point of a mobile termination component of the node,
whether the node supports simultaneous communication by a first transmit receive point of a mobile termination component of the node and a second transmit receive point of the mobile termination component of the node,
whether the node supports simultaneous communication by a first transmit receive point of a distributed unit of the node and a second transmit receive point of the distributed unit of the node, or
a combination thereof.
30. The control node of claim 21 , wherein a plurality of multiple transmit receive points of the node includes at least one of:
multiple transmit receive points of a mobile termination component of the node, multiple transmit receive points of a distributed unit component of the node,
a first transmit receive point of a mobile termination component of the node and a second transit receive point of a distributed unit component of the node, or
a combination thereof.
31. The control node of claim 21 , wherein the indication of the capability of the node is received based at least in part on a report configuration transmitted to the node by the control node.
32. The control node of claim 31 , wherein the report configuration indicates at least one of:
a combination of parent nodes of the node for which the capability of the node is to be reported,
a combination of mobile termination components of the node for which the capability of the node is to be reported,
a combination of transmit receive points of the node for which the capability of the node is to be reported, or
a combination thereof.
33. The control node of claim 21 , wherein the one or more processors, when communicating with the node based at least in part on the capability, are configured to transmit a configuration or a resource allocation to the node based at least in part on the capability.
34. A method of wireless communication performed by a node in a wireless network, comprising:
transmitting an indication of a capability of the node to simultaneously communicate with multiple parent nodes of the node, wherein the node comprises an integrated access and backhaul node, wherein the capability to simultaneously communicate comprises a support of simultaneous transmission and reception with multiple parent nodes of the node; and
communicating with another node in the wireless network based at least in part on the capability of the node to simultaneously communicate with multiple parent nodes of the node.
35. A method of wireless communication performed by a control node in a wireless network, comprising:
receiving an indication of a capability of a node in the wireless network to simultaneously communicate with multiple parent nodes of the node, wherein the node comprises an integrated access and backhaul node, wherein the capability to simultaneously communicate comprises a support of simultaneous transmission and reception with multiple parent nodes of the node; and
communicating with the node based at least in part on the capability of the node to simultaneously communicate with multiple parent nodes of the node.