Abstract: A light emitting device is located inside a vehicle and emits light toward an occupant compartment where an occupant is seated. The light emitting device comprises a light emitting unit and a control unit. The light emitting unit has a plurality of light emission regions. The plurality of light emission regions are arranged along one direction. The control unit controls the light emission region using at least one of first information related to an operation of the vehicle in which the light emitting device is mounted and second information related to an operation of an output unit that performs output toward the occupant compartment of the vehicle.

Abstract: A light emitting device is located inside a vehicle and emits light toward an occupant compartment where an occupant is seated. The light emitting device comprises a light emitting unit and a control unit. The light emitting unit has a plurality of light emission regions. The plurality of light emission regions are arranged along one direction. The control unit controls the light emission region using at least one of first information related to an operation of the vehicle in which the light emitting device is mounted and second information related to an operation of an output unit that performs output toward the occupant compartment of the vehicle.

Abstract: A terminal is disclosed including a transmission unit that transmits a Sounding Reference Signal (SRS) and a control unit that switches a carrier so as to transmit the SRS. The control unit determines a period during which no signal transmission is performed in radio frames used in a serving cell, based on a subcarrier spacing of a cell corresponding to a switching destination carrier.

Abstract: A mechanical component has a surface and is made of steel subjected to quenching and tempering. The mechanical component includes a nitrided layer formed at the surface. Steel contains at least 0.95 mass % and at most 1.10 mass % of carbon, less than 0.30 mass % of silicon, less than 0.50 mass % of manganese, less than 0.0080 mass % of sulfur, at least 1.3 mass % and at most 1.6 mass % of chromium, and a remainder composed of iron and an inevitable impurity. An average nitrogen concentration at the surface is equal to or more than 0.10 mass %. A hardness at the surface is equal to or more than 850 Hv. An amount of retained austenite at the surface is equal to or less than 20 volume %.

Abstract: A user equipment includes a transmitting unit that transmits a measurement result of a secondary cell; a receiving unit that receives a signal to activate the secondary cell; and a control unit that uses previously obtained information of the secondary cell to activate the secondary cell when a predetermined condition associated with a power class of the user equipment is satisfied.

Abstract: A mechanical component includes steel and has a surface. The steel is quenched and tempered. The mechanical component includes a nitrided layer on the surface and a core farther away from the surface than the nitrided layer. A nitrogen concentration in the steel on the surface is greater than or equal to 0.01 mass percent. A hardness of the steel on the surface is greater than or equal to 820 Hv. An amount of residual austenite in the steel in the core is greater than or equal to 0.1 volume percent and less than or equal to 9 volume percent. A dislocation density of the residual austenite in the steel in the core is greater than or equal to 4.0×1014 m?2. The steel is high carbon steel or bearing steel.

Abstract: A light emitting device is located inside a vehicle and emits light toward an occupant compartment where an occupant is seated. The light emitting device comprises a light emitting unit and a control unit. The light emitting unit has a plurality of light emission regions. The plurality of light emission regions are arranged along one direction. The control unit controls the light emission region using at least one of first information related to an operation of the vehicle in which the light emitting device is mounted and second information related to an operation of an output unit that performs output toward the occupant compartment of the vehicle.

Abstract: A user device includes a receiver configured to receive, from a base station, a signal containing one or more transmission configuration indication information items; and a controller configured to determine whether an assumption of a QCL (Quasi-Co-Location) relationship between a first signal and a second signal is valid, based on the one or more transmission configuration indication information items, wherein the controller performs an operation with respect to the first signal in accordance with a result of the determination.

Abstract: A user equipment executes carrier aggregation using a plurality of component carriers allocated in a predetermined band in a predetermined frequency range (FR2). In a case where only a plurality of secondary component carriers is allocated in the predetermined band, the user equipment selects a secondary component carrier that is a reception quality measurement target among the plurality of secondary component carriers. In addition, the user equipment transmits a reception quality measurement result.

Abstract: Provided is a user equipment including: a receiving unit that receives at least one of configuration information of inter-radio access technology (RAT) measurement in a frequency range (FR) 2, configuration information of inter-RAT measurement other than the FR2, and configuration information of a measurement gap for each user equipment from a base station apparatus; and a control unit that performs the inter-RAT measurement other than the FR2 within the measurement gap for each user equipment and performs the inter-RAT measurement in the FR2 outside the measurement gap for each user equipment.

Abstract: A user equipment includes a reception unit that performs a measurement for determining an optimum beam from among a plurality of reception beams that is usable in the user equipment; and a control unit that selects, based on information of a past measurement by the reception unit, a reception beam to be used in the user equipment, upon receiving, by the reception unit, a signal including information indicating to update a configuration.

Abstract: A user equipment includes a receiving unit that receives a reference signal from a secondary cell; a transmitting unit that transmits a result of a measurement of the reference signal; and a control unit that selects, when the secondary cell is deactivated after the transmitting unit transmits the result of the measurement and the secondary cell is reactivated, and when a time interval from a timing at which the transmitting unit transmits the result of the measurement until a timing at which the secondary cell is reactivated is within a predetermined time interval, a receiving beam that is applied to the secondary cell upon transmitting the result of the measurement by the transmitting unit, as a receiving beam to be applied to the reactivated secondary cell.

Abstract: A terminal is disclosed including a receiver that receives an instruction for a quality measurement of a cell in Dual Connectivity (DC), the cell being in an unconnected state; and a processor that performs the quality measurement in accordance with the instruction, wherein the processor performs the quality measurement in a measurement period based on a discontinuous reception configuration in a Secondary Cell Group (SCG). In other aspects, a measurement method for a terminal is also disclosed.

Abstract: A user device includes a receiving unit that receives from a base station device a measurement configuration including a condition for triggering a measurement report; a control unit that executes a measurement based on the measurement configuration; and a transmitting unit that transmits a measurement report to the base station device in response to the condition for triggering a measurement report being met, wherein the control unit modifies the measurement configuration based on a parameter indicating mobility capability or based on a type of user device.

Abstract: A bearing part (10) is composed of a steel, and has a quench-hardened layer (11) in a surface of the bearing part. The quench-hardened layer includes a plurality of martensite crystal grains. The plurality of martensite crystal grains are classified into a first group and a second group. A minimum value of crystal grain sizes of the martensite crystal grains belonging to the first group is larger than a maximum value of crystal grain sizes of the martensite crystal grains belonging to the second group. A value obtained by dividing a total area of the martensite crystal grains belonging to the first group by the total area of the plurality of martensite crystal grains is more than or equal to 0.3. A value obtained by dividing, by the total area of the plurality of martensite crystal grains, a total area of the martensite crystal grains belonging to the first group except for a martensite crystal grain that has a minimum crystal grain size and that belongs to the first group is less than 0.3.

Abstract: A terminal is disclosed including a processor that scales a delay requirement of an intra-frequency measurement based on a synchronization signal block by a scaling factor corresponding to each of a plurality of carriers; and a receiver that receives the synchronization signal block in each of the plurality of carriers, wherein a specified carrier out of the plurality of carriers satisfies a condition, wherein a first scaling factor for an unspecified carrier out of the plurality of carriers is based on a number of the plurality of carriers, and wherein a second scaling factor for the specified carrier is not based on the number of the plurality of carriers. In other aspects, a radio communication method and a base station are also disclosed.

Abstract: A terminal is disclosed including a transmission unit that transmits a Sounding Reference Signal (SRS) and a control unit that switches a carrier so as to transmit the SRS. The control unit determines a period during which no signal transmission is performed in radio frames used in a serving cell, based on a subcarrier spacing of a cell corresponding to a switching destination carrier.

Abstract: A terminal includes a reception unit that receives, from a base station, a configuration related to at least one of measurement and reporting, a control unit that performs the measurement based on the configuration related to the at least one of the measurement and the reporting, and a transmission unit that transmits a measurement report to the base station based on the result of the performed measurement. The control unit limits a period related to the measurement or changes the number of times an operation related to the measurement is performed based on whether the terminal is in a specific environment.

Abstract: A user equipment includes a transmitting unit that transmits a measurement result of a secondary cell; a receiving unit that receives a signal to activate the secondary cell; and a control unit that uses previously obtained information of the secondary cell to activate the secondary cell when a predetermined condition associated with a power class of the user equipment is satisfied.

Abstract: A user apparatus for communicating with a first base station apparatus using a first RAT (Radio Access Technology) and a second base station apparatus using a second RAT includes a reception unit configured to receive, from the first base station apparatus, a configuration for measuring a timing difference between a cell of the first base station apparatus and a cell of the second base station apparatus; a control unit configured to perform measurement with respect to a cell of the second RAT based on the configuration for measuring the timing difference; and a transmission unit configured to transmit, to the first base station apparatus, a result of the performed measurement, wherein the configuration for measuring the timing difference includes information indicating an upper limit of a number of cells of the second RAT.