Abstract: A user equipment includes a receiving unit configured to receive, from a base station apparatus, information for requesting a report of a User Equipment (UE) capability, a control unit configured to generate the report including a supported UE capability, and a transmitting unit configured to, in a case where an Access Stratum (AS) security with the base station apparatus is activated, transmit the report to the base station apparatus.

Abstract: A communication apparatus comprises: a controller configured to determine whether or not a stationarity criterion is fulfilled, the stationarity criterion being a criterion used for selecting whether or not to execute measurement according to a measurement relaxation method for relaxing measurement of radio quality for an adjacent cell and being a criterion for determining whether or not the communication apparatus is in a stationary state; and a communicator configured to transmit, to a network, a radio resource control (RRC) message indicating that the stationarity criterion is not fulfilled in response to the stationarity criterion being not fulfilled.

Abstract: Provided is a solid-state image capturing element including a semiconductor substrate and first and second photoelectric conversion parts configured to convert light into electric charge. The first and the second photoelectric conversion parts each have a laminated structure including an upper electrode, a lower electrode, a photoelectric conversion film sandwiched between the upper electrode and the lower electrode, and an accumulation electrode facing the upper electrode through the photoelectric conversion film and an insulating film.

Abstract: UE (200) executes dual connectivity in which it simultaneously connects to a radio base station and other radio base station. The UE (200) includes a transmitting unit (210) that transmits to the radio base station and the other radio base station uplink transmission related information indicating an uplink transmission state, and a control unit (230) that controls transmission or stop of transmission of the uplink transmission related information of a predetermined type.

Abstract: A communication apparatus comprises: a communicator configured to receive, from a base station, first information regarding a stationarity criterion, second information regarding a non-cell edge criterion, and third information regarding execution of relaxed measurement; and a controller configured to choose a performance of the relaxed measurement in a case where both the stationarity criterion and the non-cell edge criterion are fulfilled based on the third information.

Abstract: A communication apparatus comprises a transmitter configured to transmit a random access preamble, and a controller configured to control a state related to monitoring of a physical downlink control channel (PDCCH) based on the transmission of the random access preamble.

Abstract: A user equipment (UE) performs radio communication with a base station that manages a cell including N (N?2) transmission/reception points. The UE comprises: a communicator configured to receive a radio resource control (RRC) message from the base station, the radio resource control (RRC) message including a radio link monitoring configuration for configuring radio link monitoring and a beam failure detection configuration for configuring N beam failure detection resource sets; and a controller configured to detect radio link failure based on the radio link monitoring configuration and individually detect beam failure for each of the N beam failure detection resource sets based on the beam failure detection configuration.

Abstract: A terminal apparatus (TA) is configured to: transmit capability information including radio frequency (RF) parameters; include an information bit indicating that the TA supports restricted ranges of a frequency band (FB) in a specific area and an information bit indicating that the TA supports a modified maximum power reduction (MPR) indicated per FB in the RF parameters, in a case where the TA supports first restricted ranges of the FB in the specific area and the modified MPR indicated per FB; and not include the information bit indicating that the TA supports the restricted ranges of the FB in the specific area in the RF parameters and include the information bit indicating that the TA supports the modified MPR indicated per FB in the RF parameters, in a case where the TA supports a second range of the FB in the specific area and the modified MPR indicated per FB.

Abstract: A communication apparatus comprises: a communicator configured to transmit a UE assistance information message including information indicating whether or not a stationarity criterion regarding measurement relaxation in a radio resource control (RRC) connected state is fulfilled to a base station.

Abstract: A user equipment (UE) performs radio communication with a base station that manages a cell including N (N?2) transmission/reception points. The UE comprises: a communicator configured to receive a radio resource control (RRC) message from the base station, the radio resource control (RRC) message including information for configuring N beam failure detection resource sets; and a controller configured to individually detect beam failure for each of the N beam failure detection resource sets. The controller is configured to determine whether or not to initiate a random access procedure for the cell based on a state of recovery from the beam failure in a case where the beam failure has been detected for all of the N beam failure detection resource sets.

Abstract: A user equipment (UE) performs radio communication with a base station that manages a cell including N (N?2) transmission/reception points. The UE comprises: a communicator configured to receive a radio resource control (RRC) message from the base station, the RRC message including information for configuring N beam failure detection resource sets; and a controller configured to individually detect beam failure for each of the N beam failure detection resource sets. The controller is configured to trigger beam failure recovery (BFR) for one beam failure detection resource set with which the beam failure has been detected. The communicator is configured to cancel all the triggered BFRs for the one beam failure detection resource set in a case where a MAC PDU is transmitted, the MAC PDU including a BFR MAC CE including information regarding the detected beam failure.

Abstract: A user equipment is connected to a master node associated with a master cell group and connected to a secondary node associated with a secondary cell group by utilizing a dual connectivity scheme. The UE comprises: a communicator (120) configured to receive an RRC (radio resource control) message including information instructing deactivation of the secondary cell group; and a controller configured to deactivate the secondary cell group according to the information. The controller is configured to determine whether or not a cell in which beam failure is detected is a primary cell belonging to the deactivated secondary cell group, and the communicator (120) is configured to transmit an SCGFailureInformation message related to failure of the secondary cell group to the master node when the controller determines that the cell is the primary cell.

Abstract: A user equipment (UE) performs radio communication with a base station that manages a cell including N (N?2) transmission/reception points. The UE comprises: a communicator configured to receive a radio resource control (RRC) message from the base station, the radio resource control (RRC) message including a beam failure detection configuration which is information for configuring N beam failure detection resource sets and is associated with a downlink bandwidth part that is a part of a bandwidth of the cell; and a controller configured to individually detect beam failure for each of the N beam failure detection resource sets in the radio communication using the downlink bandwidth part.

Abstract: A User Equipment communicates with a master node associated with a master cell group and a secondary node associated with a secondary cell group. The UE comprises: a receiver configured to receive an RRC message including information instructing deactivation of the secondary cell group; and a controller configured to perform control not to perform a random access procedure for beam failure recovery in a primary secondary cell belonging to the secondary cell group in a case where the secondary cell group is deactivated on a basis of the information.

Abstract: A master node is connected to a communication apparatus together with a secondary node using dual connectivity. The master node comprises a controller having a packet data convergence protocol (PDCP) entity and a first radio link control (RLC) entity, the PDCP entity outputting a PDCP protocol data unit (PDU) to the first RLC entity and outputting a duplication of the PDCP PDU to a second RLC entity of the secondary node. The PDCP entity deactivates the duplication of the PDCU PDU for the second RLC entity in a case where a secondary cell group associated with the secondary node is deactivated.

Abstract: A user equipment is connected to a master node associated with a master cell group (MCG) and connected to a secondary node associated with a secondary cell group (SCG) using dual connectivity. The user equipment comprises: a controller having a packet data convergence protocol (PDCP) entity associated with a split bearer, a primary radio link control (RLC) entity associated with the PDCP entity, and a secondary RLC entity associated with the PDCP entity; and a receiver configured to receive, from the master node, an RRC message including information for configuring an ID of a cell group associated with the primary RLC entity as an ID of the MCG in a case where the SCG is deactivated. The PDCP entity outputs a PDCP protocol data unit (PDU) to the primary RLC entity in a case where a total volume of a PDCP data volume and an RLC data volume for which initial transmission is suspended is smaller than a threshold.

Abstract: A master node is connected to a user equipment together with a secondary node using dual connectivity. The master node comprises: a transmitter configured to transmit, to the UE, information indicating to change a primary secondary cell (PSCell) in a state where a secondary cell group associated with the secondary node is deactivated, to transmit an indication to activate the secondary cell group to the UE, and to transmit an indication to deactivate the secondary cell group to the UE after a random access procedure for the changed PSCell is executed.

Abstract: A communication apparatus, comprises: a receiver configured to receive a radio resource control (RRC) message including information for configuring a cell group from a base station; a transmitter configured to transmit a scheduling request (SR); and a controller configured to control a condition related to monitoring of a physical downlink control channel (PDCCH) in each serving cell in the cell group based on the transmission of the SR or a trigger of the SR.

Abstract: A user equipment 100 to which a plurality of cell groups are configured by a base station 200, comprises the steps of: receiving a switching instruction for giving an instruction about switching of search space set groups (SSSGs) in serving cells belonging to any cell group of the plurality of cell groups from the base station 200; specifying a target cell group as a switching target of the SSSG from among the plurality of cell groups based on a cell identifier or a cell group identifier included in the switching instruction. The UE 100 is configured to simultaneously switch the SSSGs of all the serving cells in the specified target cell group in response to the reception of the switching instruction.

Abstract: A terminal includes: a receiving unit which receives a discontinuous reception parameter for a radio resource control (RRC) idle state and a discontinuous reception parameter for an RRC inactive state; and a control unit which controls a discontinuous reception operation in the RRC inactive state in accordance with the discontinuous reception parameter for the RRC idle state instead of the discontinuous reception parameter for the RRC inactive state.