Abstract: A PDCP layer of a first transmitting device determines a transmission failure of at least one PDCP SDU, wherein a plurality of PDCP SDUs, comprising a data unit of a data flow, comprise the at least one PDCP SDU. The PDCP layer of the first transmitting device discards, based on the determining, the plurality of PDCP SDUs.

Abstract: An access and mobility management function (AMF) receives from a first wireless device a non-access stratum (NAS) message comprising an identifier (ID) of a group communication session. The AMF receives from a session management function (SMF) a message comprising a list of one or more second wireless devices associated with the group communication session and a list of one or more packet data unit (PDU) sessions. The AMF determines, based on a state of the one or more second wireless devices, to page the one or more second wireless devices. The AMF receives from the one or more second wireless devices one or more service request messages.

Abstract: A wireless device may receive one or more configuration parameters indicating a single frequency network (SFN) scheme. The wireless device may further receive a command activating at least two transmission configuration indicator (TCI) states for a control resource set (coreset). The wireless device may monitor, via the coreset, downlink control channels based on the at least two active TCI states and determine a radio link quality based on the at least two active TCI states of the coreset, when the one or more configuration parameters indicate the SFN scheme. The wireless device may further transmit an uplink signal indicating the radio failure, when the radio link quality indicates a radio failure.

Abstract: A method includes determining, by a first wireless device, whether to trigger a sidelink resource selection procedure to select a set of resources for one or more sidelink transmissions by a second wireless device based on a wireless device category of the first wireless device. The method further includes, in response to triggering the sidelink resource selection procedure, selecting the set of resources and transmitting a first message indicating the set of resources to the second wireless device.

Abstract: A wireless device receives one or more messages comprising a first parameter indicating a first maximum beam failure instance threshold and a second parameter indicating a second maximum beam failure instance threshold. The wireless device triggers a first beam failure recovery based on a first beam failure instance counter reaching the first maximum beam failure instance threshold. The wireless device triggers a second beam failure recovery based on a second beam failure instance counter reaching the second maximum beam failure instance threshold. The wireless device transmits, based on triggering the first beam failure recovery and the second beam failure recovery, a random-access preamble for a random-access procedure. The wireless device sets, based on successfully completing the random-access procedure, the first beam failure instance counter to zero and the second beam failure instance counter to zero.

Abstract: A base station central unit receives, from a wireless device, one or more radio resource control (RRC) messages comprising a resume identity of the wireless device. The base station central unit sends, to a base station distributed unit, a message indicating release of a configured uplink grant configuration, of a cell of the base station distributed unit, for an RRC inactive state or an RRC idle state of the wireless device.

Abstract: A wireless device communicates, with a base station distributed unit (BS-DU) and via at least one bearer configured between the wireless device and a base station central unit (BS-CU) through the BS-DU, a first adaptation layer packet, wherein a first header of the first adaptation layer packet comprises a route identifier indicating a route. The wireless device receives, from the BS-DU, backhaul link information indicating a failure of a link between the BS-DU and the BS-CU, wherein a second header of a second adaptation layer packet comprises the backhaul link information indicating the failure of the link.

Abstract: A wireless device may receive downlink control information (DCI) comprising parameters of a plurality physical uplink shared channel (PUSCH) transmissions of a cell. A wireless device may determine, for a transport block (TB), a first hybrid automatic repeat request (HARQ) process associated with a first PUSCH transmission of the plurality of PUSCH transmissions. In response to a listen-before-talk (LBT) procedure, for the TB of the first PUSCH transmission, indicating a busy channel, the wireless device may transmit the TB via a second PUSCH transmission, of the plurality PUSCH transmissions, associated with a second HARQ process.

Abstract: A wireless device receives one or more configuration parameters indicating a first timer used for prohibiting initiation of a random access (RA) procedure for a buffer status report (BSR). The wireless device starts the first timer based on completing a first RA procedure initiated for a first BSR and triggers a second BSR while the first timer is running. Based on the triggering the second BSR while the first timer running, the wireless device prohibits initiation of a second RA procedure for the second BSR.

Abstract: A base station may transmit, to a wireless device, configuration parameters of a first bandwidth part (BWP) and a second BWP of an unlicensed cell. The base station may determine, for the wireless device and with the first BWP being an active BWP, a first number of consecutive listen before talk (LBT) procedures, for a first channel of the active BWP, performed based on a contention window being a maximum contention window of a plurality of contention windows corresponding to the first channel. Based on switching from the first BWP to the second BWP as the active BWP, the base station may determine, for the wireless device, a second number of consecutive LBT procedures, for a second channel of the active BWP, performed based on the contention window being the maximum contention window of a plurality of contention windows corresponding to the second channel.

Abstract: A wireless device receives configuration parameters of: one or more first cells in a first frequency band; and one or more second cells in a second frequency band. A physical uplink shared channel (PUSCH) signal in the first frequency band is transmitted via the one or more first cells. The wireless device determines, independent of transmissions of the PUSCH signals in the first frequency band, whether to transmit or to drop a configured transmission of at least one sounding reference signal (SRS) via the one or more second cells of the second frequency band. The configured transmission of the at least one SRS overlaps with the PUSCH signal. Based on the determination: the at least one SRS are transmitted via a second cell of the one or more second cells; or the at least one SRS is dropped.

Abstract: A wireless device transmits assistance information including first configuration parameters indicating that each cell group of cell groups is associated with a maximum number of multiple-input multiple-output (MIMO) layers for a power saving operation of the wireless device with each of the cell groups operating in a different frequency range. Second configuration parameters, for the power saving operation, are received including: a first maximum number of MIMO layers for a first bandwidth part (BWP) of a first cell group of the cell groups, and a second maximum number of MIMO layers for a second BWP of the first cell. Based on the first cell belonging to the first cell group, the first maximum number and the second maximum number are each less than or equal to the maximum number corresponding to the first cell group.

Abstract: A wireless device transmits, via a first uplink bandwidth part (BWP), a first preamble for a random-access procedure. A determination is made of a second uplink BWP for transmission of a second preamble for the random-access procedure. The determination is based on not receiving, via a first downlink BWP associated with the first uplink BWP, a random-access response corresponding to the first preamble. Based on the determination of the second uplink BWP, the first downlink BWP is switched to a second downlink BWP associated with the second uplink BWP. The second preamble is transmitted via the second uplink BWP.

Abstract: A wireless device receives configuration parameters of channel state information (CSI) resource configurations for a CSI report configuration. The CSI resource configurations comprise first CSI resource configurations associated with a first transmission reception point (TRP) and second CSI resource configurations associated with at least two second TRPs. The wireless device receives a command comprising a first field triggering the CSI report configuration and a second field indicating whether the CSI report configuration is associated with the first CSI resource configurations or the second CSI resource configurations. The wireless device transmits, based on the CSI report configuration and in response to the second field indicating the CSI report configuration is associated with the first CSI resource configurations. A CSI report comprises one or more first CSI quantities of the first TRP.

Abstract: A first wireless device triggers inter user equipment (inter-UE) coordination with a second wireless device and a third wireless device based on one or more first resources of one or more first sidelink transmissions transmitted by the second wireless device being overlapped with one or more second resources of one or more second sidelink transmissions transmitted by the third wireless device. The first wireless device transmits, based on the inter-UE coordination, one of: first coordination information of the inter-UE coordination, to the second wireless device, indicating the one or more first resources; or, second coordination information of the inter-UE coordination, to the third wireless device, indicating the one or more second resources.

Abstract: A wireless device receives a system information block (SIB) comprising a value of a scheduling request (SR) delay timer. The wireless device receives, in a radio resource control (RRC) connected state, an RRC message comprising a parameter indicating the SR delay timer is applied to a logical channel. The wireless device initiates a small data transmission (SDT) procedure in an RRC inactive state, wherein at least one radio bearer, associated with the logical channel, is configured for the SDT procedure. The wireless device, in response to triggering, during the SDT procedure, buffer status reporting (BSR) for the logical channel, start the SR delay timer based on the parameter indicating the SR delay timer is applied to the logical channel and the value of the SIB.

Abstract: A base station may transmit, to a wireless device, one or more radio resource control (RRC) messages comprising configuration parameters of a multicast and broadcast service (MBS). The configuration parameters may comprise parameters of a semi-persistent scheduling (SPS) and at least one indicator, for the SPS, indicating a feedback type from a plurality of feedback types. The plurality of feedback types may comprise acknowledgement-negative acknowledgement (ACK-NACK) feedback, negative acknowledgement only (NACK-only) feedback, and disabled feedback. The base station may transmit, to the wireless device, a downlink control information (DCI) indicating an activation of the SPS. The base station may transmit, to the wireless device via downlink assignments of the SPS, one or more transport blocks (TBs) of the MBS. The base station may receive, from the wireless device based on the feedback type indicated by the at least one indicator, feedback information for the one or more TBs.

Abstract: A method may include multiplexing, by a wireless device, a radio resource control, RRC, message in a medium access control protocol data unit, MAC PDU. The RRC message may indicate arrival of non-small data transmission, SDT, data. The multiplexing may be based on a logical channel prioritization order indicating that the RRC message is higher priority than data of an SDT procedure. The method may also include transmitting, by the wireless device, the MAC PDU.

Abstract: A first base station distributed unit (BS-DU) receives, from a base station central unit (BS-CU), a first power value for uplink transmission of a wireless device to the first BS-DU. The first BS-DU receives, from the BS-CU, a third power value for uplink transmission of the wireless device to the first BS-DU, wherein the third power value is based on a second power value for uplink transmission of the wireless device to a second BS-DU. The first BS-DU transmits, to the BS-CU, a response confirming addition of the second BS-DU for the wireless device.

Abstract: A user plane function UPF receives, from a SMF, a DU identification information for identifying a plurality of packets for one or more DUs of an application. The UPF receives a first plurality of packets, of the plurality of packets, of a first DU of the application; and a second plurality of packets, of the plurality of packets, of a second DU of the application. The UPF sends, to an access node and using the DU identification information a first GTP container comprising a first GTP header comprising a first number identifying the first plurality of packets, and a second GTP container comprising a second GTP header comprising a second number identifying the second plurality of packets.