Sub-band full duplex resource configuration
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network node may output a first configuration for a set of resources, the first configuration being associated with a time division duplexing pattern, and the first configuration configuring the set of resources to one of an uplink format, a downlink format, or a flexible format. The network node may output a second configuration configuring one or more resources, of the set of resources, to a sub-band full duplex (SBFD) format based at least in part on the one or more resources satisfying a condition. Numerous other aspects are described.
1 . A network node for wireless communication, comprising:
a memory; and
one or more processors, coupled to the memory, configured to:
output a first configuration that configures
a resource, of a set of resources, to a sub-band full duplex (SBFD) format; and
output a second configuration that reconfigures one or more resources, of the set of resources,
based at least in part on the one or more resources satisfying a condition,
wherein the condition indicates that the resource with the SBFD format is not permitted to be reconfigured to a downlink format, an uplink format, or a flexible format based at least in part on the resource with the SBFD format being configured by a cell configuration.
2 . The network node of claim 1 , wherein the SBFD format includes at least one downlink sub-band and at least one uplink sub-band in a same symbol.
3 . The network node of claim 1 , wherein the condition indicates that any resource configured in the flexible format or the downlink format can be configured to the SBFD format.
4 . The network node of claim 1 , wherein the condition indicates that resources configured in the flexible format or the downlink format, and not associated with a restricted use, can be configured to the SBFD format.
5 . The network node of claim 4 , wherein the restricted use includes at least one of:
a synchronization signal block transmission,
a control resource set associated with a control channel for a system information block,
a common search space control channel transmission,
a shared channel transmission scheduled via a common search space control channel transmission,
a common reference signal transmission, or
a common semi-persistent scheduling transmission.
6 . The network node of claim 1 , wherein the condition indicates that resources configured in the uplink format cannot be configured to the SBFD format.
7 . The network node of claim 1 , wherein the condition indicates that resources configured in the uplink format, and not associated with a restricted use, can be configured to the SBFD format.
8 . The network node of claim 7 , wherein the restricted use includes at least one of:
a random access channel occasion,
a sounding reference signal transmission, or
a physical uplink control channel transmission.
9 . The network node of claim 1 , wherein the one or more processors are further configured to:
schedule an uplink transmission of a user equipment that is not associated with an SBFD capability, wherein the uplink transmission is permitted to be scheduled only in resources having the uplink format or the flexible format.
10 . The network node of claim 1 , wherein the one or more processors are further configured to:
schedule an uplink transmission of a user equipment that is not associated with an SBFD capability, wherein the uplink transmission is permitted to be scheduled in an uplink sub-band of the one or more resources having the SBFD format.
11 . The network node of claim 1 , wherein the one or more processors are further configured to:
schedule a downlink transmission of a user equipment that is not associated with an SBFD capability, wherein the downlink transmission is permitted to be scheduled only in resources having the downlink format or the flexible format.
12 . The network node of claim 11 , wherein the downlink transmission is not permitted to be scheduled in resources having the SBFD format.
13 . The network node of claim 1 , wherein the one or more processors are further configured to:
schedule a downlink transmission of a user equipment that is not associated with an SBFD capability, wherein the downlink transmission is permitted to be scheduled in a downlink sub-band of the one or more resources having the SBFD format.
14 . The network node of claim 1 , wherein the condition indicates that a sub-band of the one or more resources having the SBFD format is not permitted to be reconfigured to at least one of a downlink sub-band, an uplink sub-band, or a flexible sub-band.
15 . The network node of claim 1 , wherein the one or more processors are further configured to:
output a configuration, prior to the first configuration, that includes a dedicated configuration parameter that configures a time division duplexing (TDD) pattern for the set of resources,
wherein the first configuration reconfigures the resource from a format indicated by the TDD pattern to the SBFD format.
16 . A user equipment (UE) for wireless communication, comprising:
a memory; and
one or more processors, coupled to the memory, configured to:
receive a first configuration that configures
a resource, of a set of resources, to a sub-band full duplex (SBFD) format;
receive a second configuration that reconfigures one or more resources, of the set of resources,
based at least in part on the one or more resources satisfying a condition,
wherein the condition indicates that the resource with the SBFD format is not permitted to be reconfigured to a downlink format, an uplink format, or a flexible format based at least in part on the resource with the SBFD format being configured by a cell configuration; and
communicate on the one or more resources.
17 . The UE of claim 16 , wherein the condition indicates that resources configured in the flexible format or the downlink format, and not associated with a restricted use, can be configured to the SBFD format.
18 . The UE of claim 16 , wherein the condition indicates that resources configured in the uplink format, and not associated with a restricted use, can be configured to the SBFD format.
19 . The UE of claim 16 , wherein the one or more processors are further configured to:
receive downlink control information scheduling an uplink transmission of the UE, wherein the UE is not associated with an SBFD capability, and wherein the uplink transmission is permitted to be scheduled only in resources having the uplink format or the flexible format.
20 . The UE of claim 16 , wherein the one or more processors are further configured to:
receive downlink control information scheduling an uplink transmission, wherein the UE is not associated with an SBFD capability, and wherein the uplink transmission is permitted to be scheduled in an uplink sub-band of the one or more resources having the SBFD format.
21 . The UE of claim 16 , wherein the one or more processors are further configured to:
receive downlink control information scheduling a downlink transmission, wherein the UE is not associated with an SBFD capability, and wherein the downlink transmission is permitted to be scheduled only in resources having the downlink format or the flexible format.
22 . The UE of claim 16 , wherein the one or more processors are further configured to:
receive downlink control information scheduling a downlink transmission, wherein the UE is not associated with an SBFD capability, and wherein the downlink transmission is permitted to be scheduled in a downlink sub-band of the one or more resources having the SBFD format.
23 . The UE of claim 16 , wherein the one or more processors are further configured to receive an indication to reconfigure the one or more resources to at least one of:
the downlink format,
the uplink format, or
the flexible format.
24 . The UE of claim 16 , wherein the one or more processors are further configured to:
receive a configuration, prior to the first configuration, that includes a dedicated configuration parameter that configures a time division duplexing (TDD) pattern for the set of resources,
wherein the first configuration reconfigures the resource from a format indicated by the TDD pattern to the SBFD format.
25 . A method of wireless communication performed by a network node, comprising:
outputting a first configuration that configures
a resource, of a set of resources, to a sub-band full duplex (SBFD) format; and
outputting a second configuration that reconfigures one or more resources, of the set of resources,
based at least in part on the one or more resources satisfying a condition,
wherein the condition indicates that the resource with the SBFD format is not permitted to be reconfigured to a downlink format, an uplink format, or a flexible format based at least in part on the resource with the SBFD format being configured by a cell configuration.
26 . The method of claim 25 , wherein the SBFD format includes at least one downlink sub-band and at least one uplink sub-band in a same symbol.
27 . The method of claim 25 , wherein the condition indicates that any resource configured in the flexible format or the downlink format can be configured to the SBFD format.
28 . The method of claim 25 , further comprising:
outputting a configuration, prior to the first configuration, that includes a dedicated configuration parameter that configures a time division duplexing (TDD) pattern for the set of resources,
wherein the first configuration reconfigures the resource from a format indicated by the TDD pattern to the SBFD format.
29 . A method of wireless communication performed by a user equipment (UE), comprising:
receiving a first configuration that configures
a resource, of a set of resources, to a sub-band full duplex (SBFD) format;
receive a second configuration that reconfigures one or more resources, of the set of resources,
based at least in part on the one or more resources satisfying a condition,
wherein the condition indicates that the resource with the SBFD format is not permitted to be reconfigured to a downlink format, an uplink format, or a flexible format based at least in part on the resource with the SBFD format being configured by a cell configuration; and
communicating on the one or more resources.
30 . The method of claim 29 , wherein the condition indicates that resources configured in the flexible format or the downlink format, and not associated with a restricted use, can be configured to the SBFD format.