Abstract: Method and apparatus to rewrite BAP headers in IAB networks. The apparatus receives, from a second base station, a routing configuration indicating a mapping between a first routing ID and a second routing ID. The apparatus receives a packet with a packet header indicating the first routing ID. The apparatus determines the second routing ID based on the routing configuration mapping the first routing ID in the packet header to the second routing ID. The apparatus modifies, based on a determination of the second routing ID, the packet header to replace the first routing ID with the second routing ID. The apparatus transmits the packet based on the second routing ID.

Abstract: Certain aspects of the present disclosure provide techniques for method of wireless communication at a first centralized unit (CU) generally including receiving, from a second CU having a connection to an integrated access and backhaul (IAB) mobile termination (IAB-MT) of an IAB node, a first identifier of the IAB-MT and a second identifier of a third CU; and transmitting, to the third CU, a request to perform a migration of transport of traffic of a IAB distributed unit (IAB-DU) of the IAB node via a topology of the third CU, wherein the request includes the first identifier.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, for each of one or more candidate cells, a lower layer triggered mobility configuration. The UE may identify a subset of candidate cells, of the one or more candidate cells, for which a lower layer triggered mobility configuration is to be processed based at least in part on reception of the lower layer triggered mobility configuration. The UE may process, for each of the subset of candidate cells, a corresponding lower layer triggered mobility configuration. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communication are described. A mobile wireless node (e.g., a mobile integrated access and backhaul (IAB) node) may transmit a control message to a parent wireless node indicating one or more supported network connectivity modes. A network connectivity mode may provide network connectivity to one or more user equipments (UEs) via the mobile wireless node when wireless backhaul connectivity is lost between the mobile wireless node and the parent wireless node. The parent wireless node may authorize the mobile wireless node to use a first network connectivity mode, and the mobile wireless node may communicate with a first UE in accordance with the first network connectivity mode. In this way, the mobile wireless node may use a network connectivity mode to extend coverage of a network to the first UE even if the first UE is outside of the coverage area of the network.

Abstract: Certain aspects of the present disclosure provide a method of wireless communication at a first distributed unit (DU), generally including detecting a condition related to a cell switch of a user equipment (UE) that supports dynamic mobility signaling via physical (PHY) layer or medium access control (MAC) layer signaling, wherein the condition is detected while a first data path between a centralized unit (CU) and the UE via the first DU is active and transmitting, based on detection of the condition, an indication to trigger the CU to begin forwarding data to the UE via a second data path involving a second DU involved in the cell switch.

Abstract: A method for wireless communication at a user equipment (UE) is provided. In the method, the UE receives, via radio resource control (RRC), a configuration of multiple candidate cells for layer 1 (L1) or layer 2 (L2) inter-cell mobility from a network entity, and receive information about an L2 reset when switching between the multiple candidate cells from the network entity. Then, the UE performs a serving cell switch within the candidate cells for the UE in response to L1 or L2 signaling, and resets or reuses an L2 cell configuration based on the information in response to the serving cell switch.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a first network node associated with an anchor cell, first system information (SI) associated with the anchor cell and proxy information associated with obtaining second SI. The UE may obtain the second SI based on the proxy information. The UE may communicate with the non-anchor cell based on the second SI. Numerous other aspects are provided.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless node may receive, while connected to a first cell associated with a physical cell identifier (PCI) and a first cell global identifier (CGI), a message that includes an indication to connect to a second cell, associated with the PCI and a second CGI, responsive to detecting the second CGI in a system information message associated with the PCI. The wireless node may connect to the second cell based at least in part on detecting the second CGI in the system information message associated with the PCI. Numerous other aspects are provided.

Abstract: Methods, systems, and devices for wireless communications are described. The techniques described herein relate to a user equipment (UE) receiving, from a network entity while in a connected mode with the network entity, first control signaling indicating a coordination configuration. The coordination configuration indicates a subset of paging cycles from a set of paging cycles, the subset of paging cycles associated with an indication of a tracking reference signal (TRS) availability or an indication of a system information (SI) change message availability. The UE receives from the network entity via a paging cycle of the subset of paging cycles in accordance with the coordination configuration, second control signaling indicating an availability of a TRS in a TRS resource or an availability of an SI change message in the paging cycle. The UE receives from the network entity, the TRS or the SI change message based on the second control signaling.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first node may transmit transmit power information for a distributed unit (DU) to a central unit (CU). The first node may receive, from the CU in connection with transmitting the transmit power information, an indication of a transmit power parameter to use for transmitting a communication. The first node may transmit the communication with a transmit power that is based at least in part on the transmit power parameter. Numerous other aspects are described.

Abstract: Aspects described herein relate to receiving, by a mobile termination (MT) function of an integrated access and backhaul (IAB) node, a first indication to migrate from a first IAB donor node associated with a first cell group and a first central unit (CU) to a second IAB donor node associated with a second cell group and a second CU, performing, by the IAB node and based at least in part on receiving the first indication, a first random access procedure to connect to the second cell group associated with the second IAB donor node, establishing, by the IAB node in addition to a first distributed unit (DU) function of the IAB node that serves a third cell group and based on performing the first random access procedure, a second DU function that serves a fourth cell group.

Abstract: Aspects relate to establishing a signaling connection between a radio access network (RAN) node and a first scheduling entity. The RAN node may communicate in a dual connectivity (DC) mode of operation with the first scheduling entity (e.g., a secondary gNB) using a first radio access technology (RAT) and with a second scheduling entity (e.g., a master eNB) using a second RAT. The RAN node and the first scheduling entity may support sending information for a first signaling connection between the RAN node and the first scheduling entity over a second signaling connection through the second scheduling entity (e.g., when the second signaling connection is more reliable than the first signaling connection). To establish the second signaling connection, the RAN node and the first scheduling entity may signal support for the second signaling connection and exchange Internet Protocol information for the second signaling connection.

Abstract: A method of handover at a user equipment (UE) is provided comprising receiving, from a first network entity (NE), a configuration for conditional handover associated with a second NE. The configuration includes at least one condition. An indication is received by the UE from the first NE to execute the conditional handover. Handover is initiated from the first NE to the second NE subject to the condition being satisfied. The condition may be that the indication is received or it may be a channel condition or both. At an NE, configurations for conditional handover are sent to multiple UEs, each configuration associated with a target NE and each including at least one condition, and an indication is sent to at least one UE to execute conditional handover.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, an integrated access and backhaul (IAB) node may determine a cell configuration of a distributed unit (DU) of the IAB node. The cell configuration may be associated with a second IAB donor. The DU may be one of a set of DUs of the IAB node. The IAB node may have a first signaling connection to a central unit (CU) of a first IAB donor. The IAB node may provide the cell configuration associated with the second TAB donor. Numerous other aspects are provided.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a central entity in an integrated access and backhaul (IAB) network may determine that a trigger condition for updating transport network layer information of an TAB node in the TAB network is satisfied, based at least in part on at least one of: a change of a donor distributed unit associated with the TAB node, a central entity change associated with the TAB node, or an establishment, release, or modification of a route including the TAB node; and provide, to the TAB node, updated transport network layer information, based at least in part on the trigger condition being satisfied. Numerous other aspects are described.

Abstract: Methods, systems, and devices for dynamic indication of tracking references signal (TRS) and wireless communications are described. A user equipment (UE) that is operating in a first operating mode may receive one or more TRS parameters from a network entity for the UE to perform channel measurements associated with one or more TRSs. The UE may receive a dynamic paging indicator message that indicates a set of updated TRS parameters. The dynamic paging indicator may include at least one TRS parameter that is different from the one or more TRS parameters. The UE may then receive one or more TRSs, and may perform channel measurement in accordance with the set of updated TRS parameters.

Abstract: Methods and apparatus for assisted frequency scan signaling are described. A method for wireless communication at a cell may comprise entering a semi-active state corresponding to an energy-saving mode of operation of the cell; configuring a downlink signal to assist at least one user equipment (UE) to detect a synchronization signal transmitted from at least one cell in an active state; and transmitting the downlink signal during the semi-active state. A method for wireless communication at a UE may comprise receiving a downlink signal from a cell in a semi-active state corresponding to an energy-saving mode of operation of the cell; detecting, based at least in part on the downlink signal, a synchronization signal transmitted from at least one cell in an active state; and establishing a connection with the at least one cell in the active state based at least in part on the synchronization signal.

Abstract: A method, a computer-readable medium, and an apparatus are provided. The apparatus may be an IAB node. The apparatus may receive communication from one or more of a parent IAB node or a child IAB node using a first frequency carrier of a paired spectrum comprising the first frequency carrier and a second frequency carrier. The apparatus may transmit communication to the one or more of the parent IAB node or the child IAB node using the second frequency carrier in the paired spectrum. At least one of the first frequency carrier or the second frequency carrier in the paired spectrum carries both uplink and downlink communication.

Abstract: Systems, devices, and methods for performing coordinated clear channel assessments (CCAs) in a shared radiofrequency band are provided. In one aspect, a method of wireless communication performed by a first wireless communication device includes: receiving a control signal indicating a CCA trigger associated with the first wireless communication device and a second wireless communication device; performing, based on the CCA trigger, a CCA; transmitting, to the second wireless communication device based on the CCA, a first CCA success signal; receiving, from the second wireless communication device, a second CCA success signal; initiating, based on the first CCA success signal and the second CCA success signal, a channel occupancy time (COT); and amplifying and forwarding a communication in the COT.

Abstract: Aspects presented herein relate to methods and devices for wireless communication including an apparatus, e.g., a UE and/or a base station. In one aspect, the apparatus may send a request to a second BS to configure a backhaul routing path via the second BS to a third BS that has a signaling connection to the first BS. The apparatus may also communicate, with the second BS, a first backhaul adaptation protocol (BAP) configuration associated with the backhaul routing path. The apparatus may also transmit a second BAP configuration to the third BS in association with the communicated first BAP configuration.