Slot format configuration to support full-duplex operation
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless node may receive, from a control node, information identifying a slot configuration pattern for a wireless communication link between the wireless node and another wireless node. For example, the information identifying the slot configuration pattern may indicate one or more symbols that are configured to support full-duplex communication. The wireless node may communicate with the other wireless node in the one or more symbols configured to support full-duplex communication in accordance with the slot configuration pattern. Numerous other aspects are provided.
1. A method of wireless communication performed by a wireless node, comprising:
receiving, from a control node, information identifying a slot configuration pattern for a wireless communication link between the wireless node and another wireless node,
the information identifying the slot configuration pattern indicating one or more symbols, of a slot, configured to support full-duplex communication, and
the slot including the one or more symbols configured to support full-duplex communication and one or more uplink-only or downlink-only symbols; and
communicating with the other wireless node in the one or more symbols configured to support full-duplex communication in accordance with the slot configuration pattern by prioritizing an uplink communication or a downlink communication in accordance with a simultaneous transmit and receive capability failing to satisfy a condition in the one or more symbols configured to support full-duplex communication.
2. The method of claim 1 , wherein receiving the information identifying the slot configuration pattern includes receiving information explicitly indicating the one or more symbols configured to support full-duplex communication in one or more of radio resource control (RRC) signaling common to a cell associated with the control node, RRC signaling dedicated to the wireless node, or a slot format indicator carried in downlink control information.
3. The method of claim 1 , wherein the information identifying the slot configuration pattern implicitly indicates the one or more symbols configured to support full-duplex communication in accordance with the received information relabeling a downlink symbol as an uplink symbol or a flexible symbol.
4. The method of claim 1 , wherein the one or more symbols configured to support full-duplex communication are implicitly indicated in accordance with the received information relabeling an uplink symbol as a downlink symbol or a flexible symbol.
5. The method of claim 1 , wherein prioritizing the uplink communication or the downlink communication comprises one or more of:
prioritizing one of the uplink communication or the downlink communication that matches an original symbol type associated with the one or more symbols in which the simultaneous transmit and receive capability fails to satisfy the condition,
prioritizing one of the uplink communication or the downlink communication that is dynamically scheduled,
prioritizing one of the uplink communication or the downlink communication that was scheduled earlier or scheduled later, or
prioritizing one of the uplink communication or the downlink communication in accordance with respective signal types associated with the uplink communication and the downlink communication.
6. The method of claim 1 , wherein communicating with the other wireless node in the one or more symbols configured to support full-duplex communication further comprises cancelling or modifying one of the uplink communication or the downlink communication determined to be a lower priority communication.
7. The method of claim 6 , wherein the lower priority communication is cancelled or modified in accordance with an uplink signal received from the other wireless node.
8. The method of claim 1 , wherein communicating with the other wireless node in accordance with the slot configuration pattern comprises:
selectively performing a half-duplex operation for a scheduled communication in a direction that conflicts with a symbol type.
9. The method of claim 8 , wherein communicating with the other wireless node in accordance with the slot configuration pattern further comprises receiving, from the other wireless node, an uplink signal to indicate whether the half-duplex operation is performed for the scheduled communication.
10. The method of claim 1 , wherein the information identifying the slot configuration pattern includes a slot format indicator that changes a label for a symbol from a flexible symbol type to a downlink symbol type or an uplink symbol type.
11. The method of claim 1 , wherein communicating with the other wireless node in accordance with the slot configuration pattern comprises:
selectively performing a full-duplex operation in a symbol of the one or more uplink-only or downlink-only symbols.
12. The method of claim 11 , wherein selectively performing the full-duplex operation comprises prioritizing a communication that is dynamically scheduled.
13. A wireless node for wireless communication, comprising:
a memory; and
one or more processors, coupled to the memory, configured to:
receive, from a control node, information identifying a slot configuration pattern for a wireless communication link between the wireless node and another wireless node,
the information identifying the slot configuration pattern indicating one or more symbols, of a slot, configured to support full-duplex communication, and
the slot including the one or more symbols configured to support full-duplex communication and one or more uplink-only or downlink-only symbols; and
communicate with the other wireless node in the one or more symbols configured to support full-duplex communication in accordance with the slot configuration pattern by prioritizing an uplink communication or a downlink communication in accordance with a simultaneous transmit and receive capability failing to satisfy a condition in the one or more symbols configured to support full-duplex communication.
14. The wireless node of claim 13 , wherein the one or more processors, when receiving the information identifying the slot configuration pattern, are configured to receive information explicitly indicating the one or more symbols configured to support full-duplex communication in one or more of radio resource control (RRC) signaling common to a cell associated with the control node, RRC signaling dedicated to the wireless node, or a slot format indicator carried in downlink control information.
15. The wireless node of claim 13 , wherein the information identifying the slot configuration pattern implicitly indicates the one or more symbols configured to support full-duplex communication in accordance with the received information relabeling a downlink symbol as an uplink symbol or a flexible symbol.
16. The wireless node of claim 13 , wherein the one or more symbols configured to support full-duplex communication are implicitly indicated in accordance with the received information relabeling an uplink symbol as a downlink symbol or a flexible symbol.
17. The wireless node of claim 13 , wherein the one or more processors, when prioritizing the uplink communication or the downlink communication, are configured to:
prioritize one of the uplink communication or the downlink communication that matches an original symbol type associated with the one or more symbols in which the simultaneous transmit and receive capability fails to satisfy the condition,
prioritize one of the uplink communication or the downlink communication that is dynamically scheduled,
prioritize one of the uplink communication or the downlink communication that was scheduled earlier or scheduled later, or
prioritize one of the uplink communication or the downlink communication in accordance with respective signal types associated with the uplink communication and the downlink communication.
18. The wireless node of claim 13 , wherein the one or more processors, when communicating with the other wireless node in the one or more symbols configured to support full-duplex communication, are configured to cancel or modifying one of the uplink communication or the downlink communication determined to be a lower priority communication.
19. The wireless node of claim 13 , wherein the one or more processors, when communicating with the other wireless node in accordance with the slot configuration pattern, are configured to:
selectively perform a half-duplex operation for a scheduled communication in a direction that conflicts with a symbol type.
20. The wireless node of claim 13 , wherein the information identifying the slot configuration pattern includes a slot format indicator that changes a label for a symbol from a flexible symbol type to a downlink symbol type or an uplink symbol type.
21. The wireless node of claim 13 , wherein the one or more processors, when communicating with the other wireless node in accordance with the slot configuration pattern, are configured to:
selectively perform a full-duplex operation a symbol of the one or more uplink-only or downlink-only symbols.
22. The wireless node of claim 13 , wherein the information identifying the slot configuration pattern includes a slot format indicator that changes a label for a symbol from a flexible symbol type to a downlink symbol type or an uplink symbol type.
23. The method of claim 1 , wherein the full-duplex communication includes simultaneous uplink and downlink operations at a particular frequency.
24. The wireless node of claim 13 , wherein the full-duplex communication includes simultaneous uplink and downlink operations at a particular frequency.
25. A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising:
one or more instructions that, when executed by one or more processors of a wireless node, cause the wireless node to:
receive, from a control node, information identifying a slot configuration pattern for a wireless communication link between the wireless node and another wireless node,
the information identifying the slot configuration pattern indicates one or more symbols, of a slot, configured to support full-duplex communication, and
the slot including the one or more symbols configured to support full-duplex communication and one or more uplink-only or downlink-only symbols; and
communicate with the other wireless node in the one or more symbols configured to support full-duplex communication in accordance with the slot configuration pattern by prioritizing an uplink communication or a downlink communication in accordance with a simultaneous transmit and receive capability failing to satisfy a condition in the one or more symbols configured to support full-duplex communication.
26. The non-transitory computer-readable medium of claim 25 , wherein the information identifying the slot configuration pattern is explicitly indicated in one or more of radio resource control (RRC) signaling common to a cell associated with the control node, RRC signaling dedicated to the wireless node, or a slot format indicator carried in downlink control information.
27. The non-transitory computer-readable medium of claim 25 , wherein the information identifying the slot configuration pattern implicitly indicates the one or more symbols configured to support full-duplex communication in accordance with the received information relabeling a downlink symbol as an uplink symbol or a flexible symbol.
28. The non-transitory computer-readable medium of claim 25 , wherein the one or more symbols configured to support full-duplex communication are implicitly indicated in accordance with the received information relabeling an uplink symbol as a downlink symbol or a flexible symbol.
29. The non-transitory computer-readable medium of claim 25 , wherein the information identifying the slot configuration pattern includes a slot format indicator that changes a label for a symbol from a flexible symbol type to a downlink symbol type or an uplink symbol type.
30. An apparatus, comprising:
means for receiving, from a control node, information identifying a slot configuration pattern for a wireless communication link between the apparatus and another apparatus,
the information identifying the slot configuration pattern indicating one or more symbols, of a slot, configured to support full-duplex communication, and
the slot including the one or more symbols configured to support full-duplex communication and one or more uplink-only or downlink-only symbols; and
means for communicating with the other wireless node in the one or more symbols configured to support full-duplex communication in accordance with the slot configuration pattern by prioritizing an uplink communication or a downlink communication in accordance with a simultaneous transmit and receive capability failing to satisfy a condition in the one or more symbols configured to support full-duplex communication.