Abstract: A method can include receiving, by a wireless device from a base station, one or more radio resource control (RRC) messages that include: a first radio network temporary identifier (RNTI) for a multicast and broadcast service (MBS) session; a second RNTI for unicast transmissions; a first scrambling identity for the MBS session; and a second scrambling identity for the unicast transmissions. The method can also include receiving, based on the first RNTI, a group common downlink control information (DCI) scheduling a first transport block (TB) of the MBS session. The method can further include receiving the first TB being scrambled with a first scrambling sequence initialized by: the first scrambling identity; and the first RNTI. The method can additionally include receiving, based on a second RNTI, a unicast DCI scheduling a second TB of the unicast transmissions and receiving the second TB being scrambled with a second scrambling sequence.

Abstract: A wireless device receives configuration parameters indicating a plurality of slot format combinations of a cell. The wireless device receives, during a slot, downlink control information (DCI) indicating a slot format combination of the plurality of slot format combinations. The slot format combination indicates a channel occupancy time (COT) duration for the cell. The wireless device transmits, via the cell, a transport block based on the COT duration, wherein the COT duration starts from the slot.

Abstract: A wireless device receives an uplink grant via a monitoring occasion associated with a synchronization signal and physical broadcast channel block (SSB). The SSB is determined by a most recent of: an activation command of a transmission configuration indicator (TCI) state; a random access procedure; or a configured-grant based uplink transmission in a radio resource control (RRC) inactive state. The wireless device transmits an uplink transmission based on the uplink grant.

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: A second base station transmits, to a wireless device, a radio resource control (RRC) message indicating a handover to a cell. The RRC message further indicates a first timing advance of a first beam of the cell and a second timing advance of a second beam of the cell. The first timing advance and the second timing advance are provided for transmitting transport blocks using a beam selected among the first beam and the second beam and a timing advance selected among the first timing advance and the second timing advance. The timing advance corresponds to the beam.

Abstract: A wireless device may receive, from a base station, configuration parameters indicating transmission configuration indication (TCI) states, wherein each TCI state is associated with a pathloss reference signal (RS) and used for uplink transmissions via a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH). The wireless device may receive a first downlink control information (DCI) indicating a PUCCH resource and a first TCI state, of the TCI states, associated with a first pathloss RS. The wireless device may determine a transmit power of the PUCCH resource based on a second pathloss RS associated with a second TCI state, of the TCI states, indicated by a second DCI received before the first DCI. The wireless device may transmit the PUCCH resource based on the transmit power.

Abstract: A video decoder may determine, based on comparing a coding parameter associated with a chroma block with a threshold, one or more candidate models from a first type of models and a second type of models. The decoder may select a chroma prediction model from the one or more candidate models and generate a prediction of the chroma block based on reference signals of the chroma block and the chroma prediction model.

Abstract: A base station transmits, to a wireless device, at least one radio resource control (RRC) message comprising configuration parameters of an unlicensed cell. The base station transmits a first physical downlink control channel (PDCCH) to initiate a random access procedure on the unlicensed cell. In response to a listen-before-talk (LBT) procedure indicating a clear channel for uplink transmission of a first preamble of the random access procedure, the base station receives the first preamble via a random access channel (RACH) of the unlicensed cell and transmits a second PDCCH for a random access response (RAR). In response to the LBT procedure indicating an LBT failure, the base station receives a second preamble based on a random access resource selection procedure and does not transmit the second PDCCH for the RAR.

Abstract: A base station can receive, while a primary cell (PCell) and a secondary cell (SCell) are in a second power state, an uplink wake-up signal from a wireless device. In response to receiving the uplink wake-up signal, the base station can transition the PCell to a first power state and maintain the SCell in the second power state.

Abstract: A first wireless device receives, from a second wireless device, a first medium access control (MAC) control element (CE) requesting for an inter-UE coordination between the first wireless device and the second wireless device, wherein the first MAC CE indicates a start time and an end time of a selection window for a resource selection procedure of the second wireless device to select resources for one or more sidelink transmissions by the second wireless device. The first wireless device selects a preferred resource set or a non-preferred resource set during the selection window. The first wireless device transmits, to the second wireless device, a second MAC CE indicating the preferred resource set or the non-preferred resource set for the second wireless device to select resources for the one or more sidelink transmissions. The first wireless device receives the one or more sidelink transmissions.

Abstract: A wireless device may receive downlink control information (DCI) that includes a cell index, wherein the cell index indicates one or more cells and a channel state information (CSI) request. The wireless device may also determine a cell to transmit a CSI based on the CSI request and the cell index of the DCI. The wireless device may also transmit a CSI via the cell.

Abstract: A wireless device may receive configuration parameters indicating monitoring occasions for a first downlink control information (DCI). The first DCI may comprise a paging early indication (PEI) indicating whether to monitor paging occasions for receiving a second DCI scheduling a paging message, and the first DCI may comprise a tracking reference signal (TRS) availability indication indicating whether a TRS is available. Based on determining not to monitor the monitoring occasions for the first DCI, the wireless device may determine that the TRS is unavailable and the wireless device may monitor the paging occasions for the second DCI.

Abstract: A wireless device receives a configured grant (CG) configuration indicating: a period of the CG configuration, and a number of consecutive slots for transmission occasions within the period. The wireless device transmits uplink data, via a transmission occasion of the transmission occasions. A hybrid automatic repeat request (HARQ) process index (ID) for transmission of the uplink data is based on: the number of consecutive slots for the transmission occasions within the period, and an offset for the transmission occasion of the transmission occasions within the period. The offset is based on an order of the transmission occasion among the transmission occasions within the period.

Abstract: A wireless device may detect a beam failure of a serving beam set. In response to detecting the beam failure, the wireless device may select a first candidate beam set from candidate beam sets based on a priority order of the candidate beam sets, wherein each candidate beam set, of the candidate beam sets, comprises reference signals (RSs). The wireless device may select a first candidate RS from candidate RSs associated with the first candidate beam set based on a channel quality of the first candidate RS being greater than a threshold. The wireless device may transmit a preamble associated with the first candidate RS for beam failure recovery.

Abstract: A station (STA) receives from an access point (AP) a frame indicating a start time and a wake duration of a restricted target wake time (r-TWT) service period (SP) of an r-TWT setup for the STA. The STA transitions to an awake state at or before the start time of the r-TWT SP. The STA receives, from the AP, during the r-TWT SP: a first frame comprising a traffic identifier (TID) associated with the r-TWT and having an end of service period (EOSP) field set to 0; or a trigger frame indicating an identifier of the STA. The STA transitions to a doze state, after expiration of the wake duration of the r-TWT SP, on condition of receiving, from the AP, after expiration of the wake duration of the r-TWT SP, a second frame comprising a TID associated with the r-TWT and having an EOSP field set to 1.

Abstract: A wireless device receives one or more messages comprising configuration parameters, of a cell, indicating a first bandwidth part (BWP) and a second BWP. The wireless device receives a first downlink control information (DCI) scheduling one or more first uplink resources for a first transmission of a first uplink transport block (TB) via the first BWP of the cell. The wireless device receives, before the first transmission of the first uplink TB, a second DCI indicating: a switching from the first BWP to the second BWP of the cell, one or more second uplink resources for a second transmission of a second uplink TB via the second BWP. In response to the receiving the second DCI before the first transmission of the first uplink TB, the wireless device does not transmit the first transmission of the first uplink TB, and transmits the second uplink TB via the second BWP.

Abstract: A wireless device receives one or more radio resource control (RRC) messages indicating: two control resource set (coreset) group indexes; one or more sounding reference signal (SRS) resource sets; and a respective parameter, for each SRS resource set, for determining a transmission configuration indication (TCI) state among TCI states associated with the two coreset group indexes. The wireless device receives one or more control commands indicating: a first TCI state for a first coreset group index; and a second TCI state for a second coreset group index. The wireless device determines, based on a parameter associated with an SRS resource set, a TCI state among the first TCI state and the second TCI state. The wireless device transmits, via an SRS resource in the SRS resource set, an SRS using a spatial transmission filter determined based on a reference signal of the TCI state.

Abstract: A wireless device receives one or more radio resource control (RRC) messages. The RRC messages comprise one or more control resource set (coreset) identifiers (IDs) for one or more coresets in a downlink bandwidth part (BWP) of a cell. The wireless device receives a medium access control (MAC) control element (CE) indicating activation of an ordered set of two transmission configuration indicator (TCI) states for a coreset of the one or more coresets. The coreset is with a lowest coreset ID among the one or more coreset IDs of the one or more coresets. In response to the coreset with the lowest coreset ID being activated with the two TCI states, the wireless device transmits an uplink signal with a spatial domain transmission filter determined based on a first TCI state occurring first in the ordered set of the two TCI states of the coreset.

Abstract: An AMF receives, from a wireless device, a first registration request message for a first access path of an access type via a first access node. The AMF determines a common security context for the wireless device and sends, to the first access node, a first access stratum (AS) key, wherein the first AS key is based on a first value associated with the first access path and the common security context. The AMF receives, from the wireless device a second registration request message for a second access path of the access type via a second access node, and sends, to the second access node, a second AS key, wherein the second AS key is based on a second value associated with the second access path and the common security context.

Abstract: A wireless device receives one or more radio resource control (RRC) messages. The one or more RRC messages indicate a scheduling request (SR) configuration of a cell and configuration parameters of a group common downlink control information (DCI) indicating an energy saving state of the cell. The wireless device triggers, based on the SR configuration, an SR for an uplink grant of radio resources of the cell. The wireless device receives the group common DCI indicating the energy saving state of the cell. Based on the group common DCI indicating the energy saving state, the wireless device does not run an SR prohibit timer for the SR during a time interval of the energy saving state of the cell.