Abstract: A method, apparatus, and computer-readable storage medium for wireless communication at a first user equipment (UE) is provided. The UE receives an indication of one or more timers associated with a radio resource control (RRC) connection establishment procedure or an RRC connection re-establishment procedure with a network entity via a relay. The UE transmits a request associated with an RRC connection to a second UE to be relayed to the network entity and monitors for a response from the network entity based on the one or more timers associated with the RRC connection establishment procedure or the RRC connection re-establishment procedure via the second UE as the relay.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network entity may receive, from a relay node via a radio access link, information indicating a link layer identifier of the relay node associated with a relay service, wherein the relay node is associated with a radio access identifier. The network entity may configure a relay service with the relay node and a remote node using a mapping between the radio access identifier and the link layer identifier. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an indication of a configuration for a set of random access channel (RACH) procedure types for a bandwidth part of the UE, each RACH procedure type in the set of RACH procedure types being different from at least some if not all the other RACH procedure types in the set of RACH procedure types. The UE may select a RACH procedure type from the set of RACH procedure types for the RACH procedure based at least in part on the indication of the configuration for the set of RACH procedure types and on a trigger to perform a RACH procedure for a network slice. The UE may perform the RACH procedure for the network slice according to the RACH procedure type.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, in a radio resource control (RRC) idle mode or an RRC inactive mode, a paging message that includes an indication identifying an intended slice for a protocol data unit (PDU) session associated with downlink traffic for the UE. The UE may transmit, to a base station, a request to initiate a random access channel (RACH) procedure based at least in part on the intended slice. Numerous other aspects are described.

Abstract: A user equipment (UE), a baseband processor or other network device can operate in a new radio (NR) unlicensed network can operate to communicate in a UE to UE (U2U) relay path through a first relay UE with another UE as a source or destination UE according to a direct communication request initiating from the source UE. The UE, as a source UE, can also perform the U2U relay reselection based on a measurement report received from a destination UE.

Abstract: A user equipment (UE), a baseband processor or other network device can operate in a new radio (NR) unlicensed network can operate to communicate in a UE to UE (U2U) relay path through a first relay UE with another UE as a source or destination UE according to a direct communication request initiating from the source UE. The UE can further perform a U2U relay reselection to a second relay UE in response to a trigger condition, either as a source UE or a destination UE.

Abstract: Certain aspects of the present disclosure provide techniques for paging based on a paging early indication (PEI). Particular aspects provide for a method for wireless communication performed by a user equipment (UE). The method generally includes determining a set of paging cycles for receiving paging information from a base station (BS), receiving a first paging early indicator (PEI) from the BS in a first paging cycle of the set of paging cycles, wherein the first PEI indicates whether the paging information will be transmitted to the UE in one or more second paging cycles of the set of paging cycles occurring after the first paging cycle, and receiving the paging information in the one or more second paging cycles based on the first PEI received in the first paging cycle.

Abstract: The retrievable packer system includes a packer mandrel, a lock ring, an upper cone, a lower cone, a slip device, a retrieval mandrel, and a slotted retrieval sleeve. The lock ring is attached to the packer mandrel, followed by the upper cone, the slip device, the lower cone, and the retrieval mandrel. The upper connection sleeve and the lower connection sleeve cover the packer mandrel so as to form a chamber in fluid connection with slip flow channels of the slip device. The packer system is run into the borehole with the slotted retrieval sleeve in the first position relative to the lower cone and the slip device in the run-in position. The packer system is set and can be locked at a location in the borehole. The slotted retrieval sleeve can push the upper cone to return the slip device to the run-in position for retrieval of the packer system.

Abstract: Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may relay wireless communications between a first base station and a second UE via at least a sidelink communication link with the second UE. The first UE may transmit, to the first base station, a measurement report for one or more candidate base stations, the measurement report indicating that the one or more candidate base stations support sidelink relay operation. The first UE may receive instructions to perform a handover procedure from the first base station to a second base station of the one or more candidate base stations based on the measurement report, where the second base station supports sidelink relay operation. The first UE may then perform the handover procedure including establishing a wireless connection with the second base station based on the instructions.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may support carrier aggregation for a sidelink control connection, such as a PC5 or radio resource control (RRC) connection with another UE. The sidelink control connection may support at least two sidelink control carriers, such as an anchor sidelink carrier, a secondary or selected sidelink carrier, a secondary anchor sidelink carrier that may be configured for fallback or duplication, among others. The sidelink control connection may be monitored for radio link failure and a secondary sidelink carrier may be used. Other sidelink carriers may be configured for the sidelink control connection as channel conditions change.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) and/or a master node may use configurations to resume communications with one or more cells of a dual connectivity (DC) or carrier aggregation (CA) scheme. In some cases, the configuration may be used for a secondary cell group (SCG) of the DC scheme. This configuration may include the UE applying a previously stored configuration for the SCG (e. g., including higher-layer and lower-layer configurations of a last serving SN of the DC scheme) if it determines the previously stored configuration is valid. Additionally or alternatively, the configuration may include the network using a previous SCG configuration or reconfiguring the SCG and transmitting this indication in a resume communications message to the UE. In some cases, the network may determine this configuration based on assistance information or reports generated from the UE.

Abstract: The present disclosure relates to methods and devices for wireless communication of an apparatus, e.g., a wireless device and/or a UE. In one aspect, the apparatus may receive a configuration for inter-RAT or intra-RAT sidelink carrier aggregation including one or more inter-RAT or intra-RAT CA parameters. The apparatus may also determine one or more inter-RAT or intra-RAT carriers for SL CA based on the configuration for inter-RAT or intra-RAT SL CA. The apparatus may also transmit, to at least one second wireless device, an indication of the one or more inter-RAT or intra-RAT carriers for SL CA.

Abstract: Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may be configured to communicate with a first base station, where the first UE is configured to relay wireless communications between a second UE and the first base station via at least a sidelink communication link between the first UE and the second UE. The first UE may receive, from the first base station, an indication for the first UE to perform a first handover procedure from the first base station to a second base station. The first UE may transmit, to the second UE via the sidelink communication link and based on receiving the indication to perform the first handover procedure, a sidelink transmission including a trigger for the second UE to perform a second handover procedure or a reselection procedure. The first UE may then communicate with the second base station based on performing the first handover procedure from the first base station to the second base station.

Abstract: Methods, systems, and devices for wireless communications are described. A base station may identify a relay pairing between a user equipment (UE) and a relay UE. The base station may additionally identify a configuration of the relay UE based on a handover decision associated with the relay pairing. The base station may indicate, to the UE, the configuration of the relay UE, an identifier of the relay UE, and that the UE is to switch to a sidelink communications link with the relay UE. The UE may then establish the sidelink communications link with the relay UE and may indicate, to the relay UE, that the sidelink communication link is for a handover associated with the relay pairing. Based on receiving the indication that the sidelink communication link is for the handover associated with the relay pairing, the relay UE may perform a connection setup procedure with the base station.

Abstract: Apparatus, methods, and computer-readable media for facilitating mobility in sidelink-assisted access link connectivity are disclosed herein. An example method for wireless communication at a user equipment (UE) includes establishing a sidelink connection with a first assistant node (AN) and establishing an access link connection with a first primary node (PN), the first AN and the first PN communicating via a first network interface. The example method also includes determining an occurrence of a node-change triggering event associated with at least one of the first AN and the first PN. The example method also includes performing a node-change procedure based on the occurrence of the node-change triggering event. The example method also includes communicating with at least one of a second AN or a second PN based on the node-change procedure, the second AN and the second PN communicating via a second network interface.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a set of cell quality measurements for a set of candidate target cells. The UE may select a target cell, from the set of candidate target cells, and a beam, of one or more beams of the target cell, for a conditional handover procedure and based at least in part on the set of cell quality measurements. The UE may perform the conditional handover procedure to transfer from a source cell to the target cell based at least in part on selecting the target cell and the beam. Numerous other aspects are provided.

Abstract: Aspects of the disclosure relate to random access procedures. An apparatus (e.g., a user equipment) may identify one or more network slices based on at least one of an access category of the apparatus, an identifier of the one or more network slices, or an index value of the one or more network slices. The apparatus may select a random access channel (RACH) configuration from a set of RACH configurations based on at least one of an access identity of the apparatus or the identified one or more network slices. The apparatus may transmit a random access message based on the RACH configuration.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration message associated with a blind handover, wherein the configuration message indicates a frequency band for a target cell. The UE may measure a synchronization signal, from the target cell, based at least in part on the configuration message. Numerous other aspects are provided.

Abstract: Methods, systems, and devices for wireless communications are described. In some systems, a first user equipment (UE) that is out-of-coverage of a base station and a second UE that is in-coverage of the base station may support signaling exchanges for transmitting or receiving a discovery message, an essential system information block (E-SIB), common SIB updates, or on-demand SIBs within a relaying network before and after a relay connection between the first UE and the second UE. The first UE may receive the discovery message and the E-SIB via same or different signaling and may acquire or decode the E-SIB according to various techniques. The first UE may receive common SIB updates via a dedicated logical channel between the first UE and the second UE and the first UE may initiate on-demand SIB acquisition after establishment of the relay connection and based on a connection type of the first UE.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a relay user equipment (UE) may establish a sidelink unicast link with a remote UE via a sidelink signaling interface. The relay UE may identify configuration information for an adaptation layer of the sidelink signaling interface, the configuration information including at least one of: a remote UE identifier associated with the sidelink unicast link for a relay service, bearer identifier information identifying one or more bearers between the remote UE and a network entity for the relay service, a radio link control (RLC) channel mapping between a bearer identifier and one or more RLC channels, or data routing information associated with the relay service. The relay UE may relay communications between the remote UE and the network entity based at least in part on the configuration information. Numerous other aspects are described.