Abstract: User equipment includes a control unit that compensates for, by a compensation value related to uplink transmission power capability of the user equipment, a threshold value of a received level that defines a condition for performing measurement for cell selection, and that determines, by the compensated threshold value of the received level, whether the measurement for the cell selection is performed.

Abstract: A radio communication apparatus functioning as a transmitter in a radio communication system including the transmitter and a receiver includes a first data generation unit that generates first data which are to be transmitted in accordance with a first transmission scheme, a second data generation unit that generates second data which are to be transmitted in accordance with a second transmission scheme, and a transmission unit that, when the second data are generated during transmission of the first data, punctures a portion in which a predetermined signal is transmitted in a resource allocated for the transmission of the first data, transmits the first data in an unpunctured portion, and transmits the second data in the punctured portion.

Abstract: A base station includes a control unit that configures, for each power class of a plurality of power classes, SIntraSearchP that is a threshold value of a received level for performing intra-frequency measurement for cell selection and SnonIntraSearchP that is a threshold value of a received level for performing inter-frequency measurement for cell selection; and a transmitting unit that transmits, to the user equipment, the SIntraSearchP and the SnonIntraSearchP that are configured for the power class of the plurality of power classes.

Abstract: A user equipment includes a transmission unit configured to transmit a signal; and a control unit configured to determine, according to a power class, a maximum transmission power for transmitting the signal. The control unit causes the maximum transmission power to change according to a modulation method for the signal.

Abstract: Provided is a technique that transmits data, which is transmitted without obtaining transmission permission, with low delay and high reliability. An aspect of the invention relates to a transmitter including a resource determination unit that determines whether a first type of resource has been allocated in response to the generation of a transmission event for a predetermined type of information and a transmitting unit that transmits the predetermined type of information to a receiver, using the first type of resource, without obtaining transmission permission, when the first type of resource has been allocated.

Abstract: A user apparatus, in a radio communication system including a plurality of base stations, including a reception unit configured to receive, from a connecting base station, control information to be used for reducing an interference signal sent from an interference base station for the user apparatus; and an interference reducing unit configured to reduce the interference signal by using the control information to obtain a desired signal sent from the connecting base station.

Abstract: The present invention is designed to reduce the latency due to collisions in UL transmission when contention-based UL data transmission is employed. A user terminal communicates using a second transmission time interval (TTI), having a shorter TTI duration than a first TTI, and this user terminal has a transmission section that transmits multiple UL data without a UL grant from a radio base station, and a control section that controls allocation of the multiple UL data individually, and the control section applies frequency hopping to allocate the multiple UL data to resources of different second TTIs.

Abstract: Disclosed is a second base station device communicating with a first base station device. The second base station device includes a receiver configured to receive, from the first base station device, information for limiting radio resource allocation; a controller configured to allocate a radio resource based on the received information for limiting radio resource allocation; and a transmitter configured to transmit information for limiting radio resource allocation to the first base station device. The information for limiting radio resource allocation includes information indicating at least one of a frequency domain and a time domain indicating a location of a radio resource.

Abstract: A user apparatus communicates with a first base station apparatus and a second base station apparatus, and the user apparatus includes a receiving unit configured to receive, from the first base station apparatus, a configuration for measuring a timing difference between the first base station apparatus and the second base station apparatus; a control unit configured to execute measurement with respect to the second base station apparatus, based on the configuration for measuring the timing difference; and a transmitting unit configured to transmit a result of the executed measurement, to the first base station apparatus, wherein the executed measurement is executed before starting to communicate with the second base station apparatus.

Abstract: The present invention is designed to reduce the impact which the variation of the amount of overhead within a subframe has upon the throughput of data channels. A user terminal, according to the present invention, has a transmitting/receiving section that receives a downlink (DL) signal and/or transmits an uplink (UL) signal in a subframe, and a control section that controls transport block sizes (TBSs) of the DL signal and/or the UL signal. The user terminal controls the TBSs based on overhead in the subframe or a desired coding rate.

Abstract: The present invention is designed to reduce the impact of communication using TTIs with different numbers of symbols (or different numbers of REs) on the throughput of data channels. A transmitting/receiving section that transmits and receives signals using a plurality of transmission time intervals (TTIs) with different numbers of symbols, and a control section that controls the transmission and receipt of the signals by applying a predetermined transport block size (TBS) in each TTI are provided, where the predetermined TBS in each TTI is controlled according to the number of symbols in each TTI or a target coding rate that is configured in advance.

Abstract: A terminal is disclosed including a receiver that receives a synchronization signal/physical broadcast channel (SS/PBCH) block including a synchronization signal (SS) and a physical broadcast channel (PBCH); and a processor that determines a control resource set based on configuration information in a configuration information set of a plurality of configuration information sets, the configuration information set being associated with information based on the SS/PBCH block, the configuration information being associated with a value of a field in the PBCH, and the configuration information including a plurality of parameters regarding the control resource set. In other aspects, a radio communication method and a base station are also disclosed.

Abstract: User equipment communicates with a base station apparatus. The user equipment includes a generating unit that generates terminal capability information including information indicating an uplink band combination; information indicating whether simultaneous transmissions in the uplink band combination is allowed; and information indicating maximum sensitivity degradation when the simultaneous transmissions are executed in the uplink band combination; a transmitting unit that transmits the generated terminal capability information to the base station apparatus; and a receiving unit that receives an uplink scheduling allocation from the base station apparatus. The user equipment executes the simultaneous transmissions in the uplink band combination based on the uplink scheduling allocation.

Abstract: There is provided user equipment of a radio communication system including a base station and the user equipment, the user equipment includes a receiver that receives a plurality of user equipment identifier candidates from the base station; a selector that selects one user equipment identifier from the plurality of user equipment identifier candidates; and a transmitter that transmits a signal of an uplink shared channel using the one user equipment identifier that is selected, without performing contention resolution of the user equipment identifier used by the user equipment with the base station.

Abstract: The present invention is designed to reduce the time it takes to form adequate beams, in communication using beamforming. According to one aspect of the present invention, a user terminal has a transmission section that, using temporally orthogonal radio resources, forms different transmitting beams and transmits reference signals respectively to a radio base station, and a control section that controls the forming of the transmitting beams so that at least one of the reference signals is received in a receiving beam which the radio base station forms in a given period set.

Abstract: The present invention is designed to make it possible to acquire broadcast information in a suitable manner. According to one aspect of the present invention, a user terminal has a receiving section that receives a synchronization signal and a broadcast signal, and a control section that specifies a frequency hopping pattern that is applied to the broadcast signal based on the synchronization signal.

Abstract: A user equipment is disclosed including a processor that selects a parameter set from a parameter set group generated by grouping radio parameters used for transmission of an uplink signal or reception of a downlink signal, and selects a radio parameter to be applied to the uplink signal or the downlink signal from the selected parameter set, and a transceiver that performs the transmission of the uplink signal or the reception of the downlink signal using the selected radio parameter.

Abstract: A terminal is disclosed including a processor that controls reception of a first synchronization signal (PSS), a second synchronization signal (SSS), and a broadcast channel (PBCH) in a predetermined block that is formed by a predetermined number of symbols and a predetermined number of subcarriers; and a receiver that receives the PSS, the SSS and the PBCH that form the predetermined block, wherein the PSS and the SSS are located in a first frequency domain, wherein the PBCH is located in at least part of a second frequency domain that is broader than the first frequency domain, and wherein the PBCH is located in at least part of a first predetermined domain neighboring the SSS in the frequency direction in the predetermined block and the PBCH is not located in a second predetermined domain neighboring the PSS in the frequency direction in the predetermined block.

Abstract: A user apparatus communicates with a base station. The user apparatus includes a generation unit configured to generate terminal capability information including information indicating an uplink band combination and information indicating whether capable of simultaneous transmission in the uplink band combination, a transmission unit configured to transmit the generated terminal capability information to the base station apparatus, and a reception unit configured to receive an uplink scheduling assignment from the base station apparatus. The simultaneous transmission is performed in the uplink band combination based on the uplink scheduling assignment.

Abstract: A radio communication system that forms a plurality of cells including a first cell and a second cell adjacent to the first cell, including: a first communication apparatus in the first cell; and a second communication apparatus in the second cell, wherein the first communication apparatus includes a first transmitting unit that transmits a reference signal and the second communication apparatus includes a second transmitting unit that transmits a reference signal, and the reference signal transmitted by the first transmitting unit and the reference signal transmitted by the second transmitting unit are orthogonalized in the same radio resource.