Abstract: Provided are a terminal device, a base station apparatus, a communication system, a control method, and an integrated circuit, in all of which it is possible that access control when performing device-to-device communication is efficiently performed. The terminal device selects which one of a device-to-device data communication and a procedure for establishment of a radio resource control connection to the base station apparatus to perform, based on information on whether or not restriction of access to the base station apparatus is in progress, in which the device-to-device data communication uses a transmission resource which is available when the specific condition that is notified or broadcast by the base station apparatus is satisfied.

Abstract: There are provided a base station, a terminal, and a communication system in a wireless communication system in which a base station and a terminal communicate with each other, in which the base station and the terminal can efficiently perform communication. The communication system includes a higher layer processing unit 605 configured to configure, at the base station, for each terminal, a first reference signal configuration for configuring a measurement target for channel state reporting, configured to configure, at the base station, for each terminal, a second reference signal configuration specifying a resource element to be excluded from the target of data demodulation in a case where the terminal demodulates data, and configured to configure, at the base station, for each terminal, a third reference signal configuration for configuring a measurement target for which a reference signal received power is to be measured by the terminal.

Abstract: A communication system includes a terminal apparatus and a base station apparatus. The terminal apparatus communicates with a base station apparatus by carrier aggregation using a plurality of serving cells, where each of the plurality of serving cells has a different frequency. In addition, the terminal apparatus removes a measurement identity relevant to a serving cell of the plurality of serving cells based on that the serving cell was removed.

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 vehicle body front structure includes: a front pillar that includes an A-pillar provided to extend in an up-down direction, an A?-pillar provided to extend in the up-down direction in the rear of the A-pillar, and a lower frame disposed between lower ends of the A-pillar and the A?-pillar; and a bracket connected to the lower end of the A-pillar and provided to extend frontward from the lower end of the A-pillar. In the vehicle body front structure, strength of the bracket is set to be lower than strength of the A-pillar.

Abstract: A vehicle upper body structure includes a roof panel, a roof arch that extends across the roof panel in a vehicle width direction and that is joined to a lower surface of the roof panel, and a roof antenna disposed on an upper surface of the roof panel. The roof arch includes a first roof arch and a second roof arch disposed in front of the first roof arch. An antenna bracket that allows the roof antenna to be mounted thereon extends frontward from a midpoint of the first roof arch in the vehicle width direction or a vicinity of the midpoint. The antenna bracket supports the roof panel, and the second roof arch is disposed so that as viewed from above the vehicle body, at least part of the second roof arch extends between right and left rear pillars.

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: A mobile station device that receives downlink control information which is used to selectively provide downlink scheduling or a random access order, 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 downlink control information which provides a random access order, where the downlink control information provides a downlink resource allocation in a case that the downlink control information is used to provide the downlink scheduling and where a preset value is set for a field of the downlink resource allocation in a case that the downlink control information is used to provide the random access order.

Abstract: Provided is a wireless communication system in which a first base station apparatus and a second base station apparatus perform communication with a terminal device, in which the first base station apparatus transmits radio resource configuration information including radio bearer configuration information of the first base station apparatus or the second base station apparatus, to the terminal device, in which the terminal device receives the radio resource configuration information, in which, in a case where an RLC failure with respect to the first base station apparatus is detected, the terminal device executes a re-establishment procedure, and in which, in a case where an RLC failure with respect to the second base station apparatus is detected, the terminal device transmits to the first base station apparatus a message indicating that an RLC failure with respect to the second base station apparatus is detected, and suspends the radio bearer for the second base station apparatus.

Abstract: A mobile station apparatus receives, on a PDCCH (physical downlink control channel), information used for initiating a random access procedure. The mobile station apparatus also transmits a random access preamble on a physical random access channel resource based on or in response to the information. Furthermore, the mobile station apparatus receives a random access response corresponding to the random access preamble on one specific downlink component carrier among a plurality of downlink component carriers where the one specific downlink component carrier linked to an uplink component carrier on which the random access preamble is transmitted on the physical random access channel resource.

Abstract: A communication system comprises a base station that includes circuitry and a mobile station that includes circuitry and which is configured to perform random access to the base station using a preamble. The preamble corresponds to an ID number among a plurality of ID numbers, the number of the plurality of ID numbers is constant, the plurality of ID numbers are contiguous, and the ID number is randomly selectable, by the mobile station, from a set of ID numbers which are included in the plurality of ID numbers. The base station notifies the mobile station of information indicating the number of ID numbers which are included in the set of ID numbers. The mobile station acquires, from the base station, the information indicating the number of ID numbers which are included in the set of ID numbers.

Abstract: A vehicle control system to configured to operate a vehicle autonomously while keeping a safe distance from a preceding vehicle is provided. The vehicle control system is configured to operate the vehicle autonomously to follow a preceding vehicle while keeping a predetermined distance, and to determine a presence of a passenger in the vehicle. If the vehicle is operated autonomously to follow the preceding vehicle while carrying a passenger, the vehicle control system selects a longest distance from the preceding vehicle.

Abstract: Provided is a technique related to a terminal apparatus, a base station apparatus, a communication system, a control method, and an integrated circuit which realize procedure of efficiently controlling a state of a cell for a plurality of cells. The terminal apparatus using a plurality of cells divides the plurality of cells into groups based on group identification information transmitted from the base station apparatus, receives control information indicating a change of a cell state of at least one of the cells, and controls the state of the cell based on bit map information and the group identification information, which are included in the control information and indicate the cell the state of which is to be changed.

Abstract: A terminal device is configured to monitor a radio link on the basis of a specific threshold value defined as a level of a downlink radio link and the threshold value is defined by taking into account the number of repetitive transmissions and/or repetitive receptions.

Abstract: A carrier for an ethylene epoxidation catalyst, the carrier comprising a porous alumina body formed of sintered particles of alumina in a substantial absence of inorganic binder species other than alumina, wherein the substantial absence of inorganic binder species corresponds to an amount of less than 0.6 wt % inorganic binder species other than alumina and comprises at least a substantial absence of silicon-containing species.

Abstract: A terminal device includes a transmitter that transmits a random access preamble, a higher layer processor that configures, based on a higher layer signal, a first identity corresponding to a first component carrier group and a second identity corresponding to a second component carrier group; a counter that, in a case that two or more component carriers are configured for an uplink, counts a number of transmission of the random access preamble; and a medium access control (MAC) layer processor that indicates a random access problem to an upper layer in a case that the number exceeds a maximum number of transmission of the random access preamble on a master component carrier of the first component carrier group or a master component carrier of the second component carrier group.

Abstract: An object of the invention is to provide a mobile station apparatus, a base station apparatus, a communication system, a mobile station apparatus capability notification method, and an integrated circuit, which enable uplink transmission timing support information of the mobile station apparatus to be effectively notified to the base station apparatus. The mobile station apparatus that is connected to the base station apparatus by aggregating a plurality of cells of which frequencies are different from each other transmits capability information in which information related to an uplink transmission timing supported by the mobile station apparatus is associated with the plurality of frequencies supported by the mobile station apparatus, to the base station apparatus.

Abstract: A mobile station device transmits a random access preamble to a base station device. The base station device receives the random access preamble from the mobile station device and transmits, to the mobile station device, a Random Access-Radio Network Temporary Identity (RA-RNTI) which notifies a resource assignment of a random access response. The mobile station device further monitors downlink control channels while detecting both a Cell-Radio Network Temporary Identity (C-RNTI) and the RA-RNTI, in which a downlink control channel includes the RA-RNTI and a downlink control channel includes the C-RNTI which notifies a resource assignment of downlink data. Upon detection of the C-RNTI and the RA-RNTI in a same sub-frame, the mobile station receives both the random access response and the downlink data, or receives either the random access response or the downlink data.

Abstract: Provided is a wireless communication system in which a first base station apparatus and a second base station apparatus perform communication with a terminal device, in which the first base station apparatus transmits radio resource configuration information including radio bearer configuration information of the first base station apparatus or the second base station apparatus, to the terminal device, in which the terminal device receives the radio resource configuration information, in which, in a case where an RLC failure with respect to the first base station apparatus is detected, the terminal device executes a re-establishment procedure, and in which, in a case where an RLC failure with respect to the second base station apparatus is detected, the terminal device transmits to the first base station apparatus a message indicating that an RLC failure with respect to the second base station apparatus is detected, and suspends the radio bearer for the second base station apparatus.

Abstract: A mobile station apparatus that obtains, from the base station apparatus, frequency information for a one cell of the plurality of the cells and a parameter of a timer, where a state of the one cell is changed to deactivation state based on expiry of the timer.