Abstract: A leaning vehicle including a vehicle body frame that is configured to lean leftward and rightward respectively when the leaning vehicle is turning left and right, a steerable wheel supported by the vehicle frame body, a steering mechanism steering the steerable wheel, and a posture control actuator device. The posture control actuator device includes a posture control actuator that outputs power to control posture of the vehicle body frame, and an angular rate sensor that detects an amount of change per unit time of a rotation angle of the vehicle body frame around a rotation axis thereof, the rotation angle changing as the vehicle body frame is rotating around the rotation axis. The posture control actuator device is supported by the vehicle body frame, and is attachable to and detachable from the vehicle body frame. The posture control actuator and the angular rate sensor are not displaceable relative to each other.

Abstract: Technologies relating to a terminal apparatus, a method, and an integrated circuit capable of efficiently performing communication by reducing complexity of protocol processing are provided. A terminal apparatus that communicates with one or multiple base station apparatuses includes: a receiver configured to receive an RRC connection reconfiguration message including a DRB configuration from a base station apparatus of the one or multiple base station apparatuses; and a processing unit configured to associate an DRB that is established with an EPS bearer identity included in information of a DRB configuration in a case that information indicating that a full configuration is applied is included in the RRC connection reconfiguration message received by the receiver, a DRB identity included in the information of the DRB configuration is not present in a part of a current configuration of the terminal apparatus, and an LTE PDCP entity is established in the DRB that is established and has the DRB identity.

Abstract: A terminal apparatus receives first information for identifying one or multiple random access channel occasions, and receives second information for identifying an index of a random access preamble. In a case that a first condition is satisfied, the terminal apparatus selects, from one or multiple reference signals, one reference signal based on a measurement of each of the one or multiple reference signals. In a case that a second condition is satisfied, the terminal apparatus selects one reference signal of the one or multiple reference signals associated with a PDCCH used to receive the second information. The terminal apparatus selects, from the one or multiple random access channel occasions, one random access channel occasion associated with the one reference signal selected.

Abstract: To enable efficient communication between a terminal apparatus and a base station apparatus. A terminal apparatus includes: a reception unit configured to receive a first DCI format scrambled by TC-RNTI in a search space set; and a control unit configured to identify resource allocation of a PUSCH based on a second field indicating frequency domain resource assignment included in the first DCI format, wherein bits of a first field indicating frequency resource assignment indicated by a first UL grant included in an RAR message are truncated from a least significant bit and/or a most significant bit is inserted into the bits, based on the number of first resource blocks indicating a bandwidth of a first UL BWP, a size of the second field is derived from a bandwidth of an initial UL BWP, and the control unit identifies, based on a value of RIV indicated by the second field, resource block allocation of the PUSCH in a frequency direction, the resource block allocation being applied to the first UL BWP.

Abstract: To efficiently transmit a power headroom. An apparatus includes a receiver configured to receive first information and receive a physical downlink control channel, the first information including a resource configuration of one or more sounding reference signals, and a transmitter configured to transmit information indicating a first power headroom level for a physical uplink shared channel associated with a sounding reference signal resource index included in downlink control information carried on the downlink control channel, and transmit information indicating a second power headroom level for a physical uplink shared channel associated with a sounding reference signal resource index not included in the downlink control information carried on the downlink control channel.

Abstract: A terminal apparatus (1, 1A, 1B) includes: a receiver (10) configured to receive preamble index information on a physical downlink control channel; and a transmitter (10) configured to, in a case where the preamble index information indicates a prescribed value, select a block from one or more blocks to transmit a random access preamble based on the block selected, and in a case where the preamble index information indicates a value other than the prescribed value, transmit the random access preamble corresponding to a preamble index indicated by the preamble index information, wherein the block includes four OFDM symbols to which at least a synchronization signal and a physical broadcast channel are mapped.

Abstract: The terminal apparatus receives one or more first blocks including a synchronization signal, receives first information and second information identifying one of the first blocks, and transmits a random access preamble in an available PRACH occasion identified based at least on the first information and the second information. At least one bit sequence of bit sequences indicatable by the second information indicates a PRACH occasion index indicating a physical random access channel occasion available for transmission of the random access preamble among PRACH occasions associated with the first block in an association period identified based on a physical random access channel configuration period indicated by higher layer signaling and the number of one or more first blocks.

Abstract: A terminal apparatus receives a first measurement configuration from a first base station apparatus via a first SRB and receives a second measurement configuration from a second base station apparatus via a second SRB, and transmits via the first SRB a first measurement result for the first measurement configuration configured from the first base station apparatus via the first SRB and transmits via the second SRB a second measurement result for the second measurement configuration configured from the second base station apparatus via the second SRB.

Abstract: A technique is provided that is related to a terminal apparatus, a base station apparatus, a communication method, and an integrated circuit which enable efficient communication. A terminal apparatus includes a receiver configured to receive, from a base station apparatus, a message requesting mobility history information, and a transmitter configured to notify the base station apparatus of the mobility history information, based on the message. The mobility history information includes a list including identifier information (first identifier information) of a cell of a first radio access technology, and a list including identifier information (second identifier information) of a cell of a second radio access technology. The mobility history information includes stay time information of a limited number of entries, each corresponding to a visit by the terminal apparatus in a cell and/or outside a network.

Abstract: An object of the present invention is to efficiently perform communication between a terminal apparatus and a base station apparatus. The present invention provides a terminal apparatus including: a receiver configured to receive an RRC message including information for indicating an RACH occasion corresponding to one of one or multiple CSI-RSs; and a transmitter configured to, in a case that a reference signal received power of at least one of the one or multiple CSI-RS blocks exceeds a prescribed threshold, select one of the one or multiple CSI-RS blocks with the reference signal received power exceeding the prescribed threshold, select the RACH occasion corresponding to the selected CSI-RS, and transmit a random access preamble in the selected RACH occasion.

Abstract: To efficiently transmit CSI. A receiver configured to receive a physical downlink control channel for conveying downlink control information including a first information field and a transmitter configured to report channel state information (CSI) are included, wherein the first information field indicates first information, the first information indicates one of multiple states, each of the multiple states is associated with a configuration related to one or multiple CSI reports and a configuration related to one or multiple CSI resources, and the one of the multiple states is configured to be associated with a first serving cell and a bandwidth part (BWP) of the first serving cell.

Abstract: A terminal apparatus includes: a receiver configured to receive an RRC message including an index of a random access preamble corresponding to one of one or multiple SS blocks or an index of a random access preamble corresponding to one of one or multiple CSI-RSs transmitted by a base station apparatus; a configuration unit configured to, in a case that a reference signal received power of at least one of the one or multiple SS blocks or at least one of the one or multiple CSI-RS blocks exceeds a prescribed threshold value, select one of the one or multiple SS blocks or one of the one or multiple CSI-RS blocks with the reference signal received power exceeding the prescribed threshold value, and set a preamble index to an index of the random access preamble corresponding to the selected one of the one or multiple SS blocks or the selected one of the one or multiple CSI-RSs; and a transmitter configured to transmit a random access preamble corresponding to the preamble index.

Abstract: A terminal apparatus for communicating with a base station apparatus includes a receiver configured to receive at least one synchronization signal burst periodically transmitted. A first synchronization signal and a second synchronization signal are mapped at a particular time position in a radio frame. Each of the at least one synchronization signal burst includes at least one synchronization signal block. Each of the at least one synchronization signal block includes at least one of the first synchronization signal, the second synchronization signal, or a physical broadcast channel. The receiver receives, from the base station apparatus, information for indicating the number of the at least one synchronization signal block included in each of the at least one synchronization signal burst.

Abstract: To efficiently transmit a sounding reference signal. One or more downlink BWPs are configured in a serving cell, one or more uplink BWPs are configured in a serving cell, each BWP of the one or more downlink BWPs is identified by a downlink BWP index, each BWP of the one or more uplink BWPs is identified by the uplink BWP index, and in a case that one of the one or more downlink BWPs configured is activated in a serving cell, one of the one or more uplink BWPs configured is activated in a serving cell, and an SRS transmission in one or more serving cells of a plurality of the serving cells is triggered, the SRS for the BWP indicated by the uplink BWP index activated in the serving cell activated is transmitted.

Abstract: A method by a user equipment (UE) is described. The method includes determining a repetition level, determining a initialization value for a scrambling sequence generator based on the repetition level, generating the scrambling sequence, and applying the scrambling sequence for a Physical Downlink Shared Channel (PDSCH). The repetition level is associated with the PDSCH and determined by a Radio Resource Control (RRC) configuration.

Abstract: To provide a terminal apparatus including a receiver configured to receive, in a time resource including a plurality of OFDM symbol groups, a synchronization signal included in each of the plurality of OFDM symbol groups, a synchronization unit configured to determine a position of a first synchronization signal that is one of the synchronization signals, and a detection unit configured to receive, based on the first synchronization signal, a physical broadcast channel. The time resource is periodically allocated, and a maximum number of the plurality of OFDM symbol groups in which the synchronization signal included in the time resource is possibly transmitted is predefined.

Abstract: An access control method and a user equipment are provided in the present invention. The access control method in a user equipment includes: determining, according to a status of the user equipment, a corresponding access control parameter to execute access control; if a result of the access control is access barring, then starting different access barring timers corresponding to different user equipment states, or starting the same access barring timer in the different user equipment states; and determining a duration of the started access barring timer according to the corresponding access control parameter.

Abstract: To efficiently transmit a sounding reference signal. In order for a base station apparatus and a terminal apparatus in a radio communication system to efficiently provide a terminal apparatus, a base station apparatus, a communication method, and an integrated circuit, a transmitter configured to transmit a sounding reference signal, and a receiver configured to receive a first downlink signal in a BandWidth Part (BWP) activated in downlink in a first serving cell are included, wherein a spatial domain transmission filter identical to a spatial domain reception filter used to receive the first downlink signal is used, and a configuration parameter for transmitting the sounding reference signal is received.

Abstract: To efficiently transmit a sounding reference signal. In order for a base station apparatus and a terminal apparatus in a radio communication system to efficiently provide a terminal apparatus, a base station apparatus, a communication method, and an integrated circuit, a transmitter configured to transmit a sounding reference signal, and a transmitter configured to transmit a first sounding reference signal in a BandWidth Part (BWP) activated in uplink of a first serving cell are included, wherein a spatial domain transmission filter identical to a spatial domain transmission filter used to transmit the first sounding reference signal is used, and a configuration parameter for transmitting a second sounding reference signal is received.

Abstract: To efficiently transmit a sounding reference signal. In order for a base station apparatus and a terminal apparatus in a radio communication system to efficiently provide a terminal apparatus, a base station apparatus, a communication method, and an integrated circuit, a transmitter configured to transmit a sounding reference signal, and a receiver configured to receive a first channel state information calculation reference signal (CSI-RS) in a BandWidth Part (BWP) activated in downlink of a first serving cell are included, wherein a first spatial domain transmission filter (transmission beam, precoder) is calculated using the first CSI-RS, and a configuration parameter for transmitting the sounding reference signal is received using the first spatial domain transmission filter.