Abstract: Provided is a terminal apparatus configured to establish, based on receiving, via a DCCH from the base station apparatus, an RRC message including a part of session information of an MBS session, an MBS radio bearer used to receive the MBS session.

Abstract: A terminal apparatus determines whether to delete all entries included in an entry list held by the terminal apparatus in a case that an RRC connection reconfiguration is performed, deletes all entries included in the entry list in a case that it is determined to delete all entries included in the entry list, and does not delete one or more entries included in the entry list in a case that it is determined not to delete all entries included in the entry list.

Abstract: A mobile station apparatus detects a signature not reserved as a dedicated signature informed by a base station. In addition, the mobile station apparatus performs a random access using a randomly selected signature, in case of detecting a signature not reserved as a dedicated signature.

Abstract: A terminal apparatus that communicates with a base station apparatus includes: a reception unit configured to receive a configuration of an initial uplink (UL) bandwidth part (BWP) and a configuration of an additional UL BWP via a radio resource control (RRC) message and receive a random access response (RAR) message including an RAR UL grant; and a transmission unit configured to transmit a physical uplink shared channel (PUSCH) in an active UL BWP, wherein one of the initial UL BWP and the additional UL BWP is activated as the active UL BWP, the PUSCH is scheduled by using the RAR UL grant, a first field included in the RAR UL grant is used to indicate frequency resource allocation of the PUSCH, and whether the first field is to be truncated or whether a bit is to be inserted into the first field is determined based on a bandwidth of the initial UL BWP.

Abstract: A terminal apparatus includes a transmitter configured to transmit, in a case that the aperiodic channel state information reporting and the periodic channel state information reporting occur in a same time period for a certain cell group, only an aperiodic channel state information report in the same time period, transmit, in a case that the semi-persistent channel state information reporting and the aperiodic channel state information reporting occur in a same time period for a certain cell group, only the aperiodic channel state information report in the same time period, and transmit, in a case that the periodic channel state information reporting and the semi-persistent channel state information reporting occur in a same time period for a certain cell group, only a semi-persistent channel state information report in the same time duration.

Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, a first radio resource control (RRC) parameter related to a first search space set, receiving a second RRC parameter related to a control resource set (CORESET) wherein the CORESET is associated with the first search space set, monitoring a set of PDCCH candidates for the first search space set, wherein each PDCCH candidate is repeated in a first total number of one or more PDCCH monitoring occasions starting from a first slot, the first slot is determined based on the first RRC parameter.

Abstract: A control method for User Equipment (UE) comprising: performing communication with a master cell group (MCG) and a secondary cell group (SCG); detecting whether a failure occurred in the MCG transmission; if it is detected that the failure has occurred in the MCG transmission, executing an MCG failure processing operation; and sending a message to a base station, the message indicating information related to the failure.

Abstract: A method performed by a sidelink transmitting user equipment (SL TX UE) for sidelink (SL) vehicle to everything (V2X) unicast transmission to a sidelink receiving user equipment (SL RX UE). The method includes: receiving, a Radio Resource Control (RRC) configuration from a base station, the RRC configuration includes at least information for enabling SL Channel State Information (CSI) reporting and first Modulation and Coding Scheme (MCS) information for SL transmission by the SL TX UE; transmitting, a CSI-Reference Signal (CSI-RS) measurement resource configuration to the SL RX UE for deriving an SL CSI report; transmitting, an aperiodic CSI report trigger to the SL RX UE for triggering the SL CSI report in a sidelink control information (SCI); and receiving, the SL CSI report from the SL RX UE in a Physical Sidelink Shared Channel (PSSCH).

Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, first information related to a first search space set and second information related to a control resource set (CORESET), the CORESET is associated with the first search space set, determining, based on the first information, a first set of one or more PDCCH monitoring occasions for the first search space set in the CORESET, and monitoring a set of PDCCH candidates for the first search space set wherein each PDCCH candidate is repeated in the one or more PDCCH monitoring occasions in the first set.

Abstract: Provided is a terminal apparatus for communicating with a base station apparatus. The terminal apparatus includes a receiver configured to receive an RRC message including configuration information of a multicast broadcast service (MBS) from the base station apparatus, and a processing unit. The configuration information of the MBS includes MBS session information. The MBS session information includes PDU session information. The processing unit releases a radio bearer for the MBS used for reception of the MBS session, based on stop of the reception of the MBS session by the terminal apparatus, and performs processing of notifying a higher layer of a part or all of the MBS session information.

Abstract: Provided is a terminal apparatus including a receiver configured to receive an RRC message including configuration information of an MBS from a base station apparatus, and a processing unit. The configuration information of the MBS includes MBS session information. The MBS session information includes PDU session information. The processing unit, based on initiation of reception of the MBS session by the terminal apparatus, establishes a radio bearer for the MBS, and performs processing of notifying a higher layer of a part or all of the MBS session information.

Abstract: A method by a user equipment (UE) is described.

Abstract: A method by a user equipment (UE) is described.

Abstract: A mobile station device that receives control information having a downlink control information format and addressed by a Cell-Radio Network Temporary Identifier on a physical downlink control channel from a base station device. The mobile station device also transmits a random access preamble using a random access channel to the base station device based on receiving the control information which provides a random access order. The downlink control information format includes a first field for downlink resource assignment. In a first case that the downlink control information form at is used for the random access order, a fixed value is set to the first field, while in a second case in which the downlink control information format is used for downlink scheduling, a first value different from the fixed value is set to the first field.

Abstract: A terminal apparatus for communicating with a base station apparatus, the terminal apparatus including: a receiver configured to receive, from the base station apparatus, a Radio Resource Control (RRC) reconfiguration message including a radio bearer configuration information element; and a processing unit configured to, in a case that a radio bearer identity included in the radio bearer configuration information element is not part of a configuration of the terminal apparatus and that the radio bearer configuration information element includes a Service Data Adaptation Protocol (SDAP) configuration information element and that a Protocol Data Unit (PDU) session information element included in the SDAP configuration information element is not part of the configuration of the terminal apparatus, indicate to upper layers that a user-plane resource is configured for a PDU session corresponding to a value of the PDU session information element.

Abstract: A terminal apparatus includes: a measurement unit configured to measure a first radio link quality based on at least part of a plurality of reference signals and a second radio link quality based on at least part of the plurality of reference signals in a certain serving cell; and a processing unit configured to trigger a report in a case that the first radio link quality and the second radio link quality satisfy a predetermined condition.

Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, a MIB including first information related to a CORESET for a first search space set for the detected SS/PBCH block, monitoring a set of PDCCH candidates for the first search space set in the CORESET, wherein the CORESET comprises a first set of consecutive OFDM symbols and a second set of consecutive OFDM symbols, the CORESET is transmitted by a first time periodicity, the second set of consecutive OFDM symbols is transmitted after a first time offset from the first OFDM symbol for the first set of consecutive OFDM symbols. Further receiving second information indicating the first time offset.

Abstract: A state managing unit configured to control a prescribed communication resource allocating process and a reception processing unit configured to receive a control element (CE) are included. The prescribed communication resource allocating process is a process of allocating a communication resource at a predetermined time interval, and the state managing unit suspends an uplink grant configured for the prescribed communication resource allocating process in a case that the reception processing unit receives an SCell Activation/Deactivation MAC CE for deactivating a secondary cell, or an sCellDeactivationTimer configured for the secondary cell expires, and the state managing unit reinitializes the uplink grant suspended, in a case that the reception processing unit receives the SCell Activation/Deactivation MAC CE for activating the secondary cell after the state managing unit suspends the uplink grant.

Abstract: The present disclosure provides a method performed by user equipment, and user equipment. The method performed by user equipment includes: if a medium access control (MAC) entity is configured with a configured uplink grant and if the configured uplink grant is activated, then determining whether the MAC entity is configured to use the configured uplink grant to transmit a MAC PDU, namely a MAC protocol data unit, obtained for a de-prioritized configured uplink grant; and if the MAC entity is configured to use the configured uplink grant to transmit the MAC PDU, then delivering the configured uplink grant to a hybrid automatic repeat request (HARQ) entity. In this way, the problem involving transmission of a de-prioritized MAC PDU stored in a HARQ process buffer can be solved, thereby improving the communication efficiency and reliability of a wireless communication system.

Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, a first radio resource control (RRC) parameter related to a first search space set, to receive a second RRC parameter related to a CORESET wherein the CORESET is associated with the first search space set, monitoring a set of PDCCH candidates for the first search space set in the CORESET, wherein the CORESET comprises one or more sets of consecutive OFDM symbols within a first time duration, the number of consecutive OFDM symbols for each set is determined based on the second RRC parameter, the first time duration is determined based on a RRC parameter included in the first parameter. The first RRC parameter include a third RRC parameter indicating a first symbol for each of the one or more than one sets of consecutive OFDM symbols within a slot, the first duration is determined as one slot, the CORESET comprises one or more sets of consecutive OFDM symbols within a slot.