Abstract: A user equipment includes a receiving unit that receives information indicating that, in a case in which a first condition is satisfied by a first type of measurement result, a second type of measurement result is to be reported, and a control unit that determines, when it is specified or indicated that RRM measurement relaxing or adaptation is to be performed in a case in which a second condition including a threshold value is satisfied, that the threshold value corresponds to the first type of measurement result, and performs the RRM measurement relaxing or adaptation in a case in which the second condition including the threshold value is satisfied by the first type of measurement result.

Abstract: There is provided a user equipment including a receiving unit configured to receive a downlink signal; and a control unit configured to select a second component carrier in an active state for monitoring a downlink control channel among a plurality of component carriers, in response to deactivation of a first component carrier in an active state among the plurality of component carriers.

Abstract: A terminal includes a receiver configured to receive from a base station a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH) in a synchronization signal block; and a transmitter configured to transmit a random access preamble based on the synchronization signal block in which the PSS, the SSS, and the PBCH are received. A mapping period for mapping synchronization signal blocks included in a synchronization signal block set to resources for transmitting the random access preamble is determined based on a period determined based on configuration information regarding a random access channel, a value of a period of the synchronization signal block set, and a value of a duration in which a process of mapping synchronization signal blocks used for transmission by the base station in the synchronization signal block set to the resources for transmitting the random access preamble is completed.

Abstract: Techniques for implementing proper transmission of RA preambles in a RA procedure are disclosed. An aspect of the present invention relates to a base station including a communication control unit configured to control radio communication with user equipment; and an RA procedure processing unit configured to perform a random access (RA) procedure with the user equipment, wherein the RA procedure processing unit indicates to the user equipment a maximum multiplexing number of RA preambles multiplexed into a radio resource capable of transmitting the RA preambles.

Abstract: There is provided a communication apparatus including a receiving unit that receives a first synchronization signal from a synchronization source; a control unit that identifies, prior to receiving the first synchronization signal by the receiving unit, a value corresponding to a number of times of relaying the first synchronization signal, and that identifies a resource assignment corresponding to the identified value; and a transmitting unit that transmits a second synchronization signal by using a transmission resource assigned by the identified resource assignment.

Abstract: The present invention is designed so that beamforming can be executed properly even when user terminals are in idle mode. A user terminal communicates with a radio base station that uses beamforming, and has a receiving section that receives a synchronization signal and/or a broadcast channel and a paging channel, which are transmitted using a single beam pattern or a plurality of beam patterns; and a control section that exerts control so that at least part of the paging channel is received based on a resource where the synchronization signal and/or the broadcast channel are allocated.

Abstract: A user apparatus includes a reception unit configured to receive information indicating resources used for downlink or uplink from a base station apparatus and a transmission unit configured to transmit TDD configuration information used for determining an arrangement of resources used for sidelink.

Abstract: A user equipment includes a transmitting unit that transmits first data in a first step of a 2-step RACH for a contention based random access procedure and a receiving unit that receives second data in a second step of the 2-step RACH for the contention based random access procedure. The first data includes a preamble and a PUSCH and information indicating a predetermined correspondence relationship of a PUSCH resource is indicated or defined.

Abstract: User equipment for communicating with a base station using a secondary cell includes a transmitter that transmits, to the base station, a preamble to start a random access in the secondary cell; a receiver that receives, within a predetermined search space, scheduling information of a random access response to be transmitted, in response to the preamble, from the base station or another base station of a timing advance group including the base station, and that receives a random access response including uplink transmission timing information based on the scheduling information; and a transmission timing controller that controls uplink transmission timing based on the uplink transmission timing information included in the random access response.

Abstract: A terminal is disclosed including a processor and a transmitter. The processor selects one of a first table and a second table based on a frequency band, wherein the first table and the second table include candidate parameters that are used for random access. The transmitter transmits a preamble using the selected table.

Abstract: A user device includes a receiving unit that receives, from a base station device, a measurement configuration including an event including a condition for transmitting a measurement report; a control unit that executes a measurement based on the measurement configuration; and a transmitting unit that transmits the measurement report to the base station device when the condition for transmitting the measurement report is satisfied, the transmission being based on a result of the executed measurement, wherein the control unit modifies a measurement method based on the result of the executed measurement.

Abstract: A user apparatus includes a control unit configured to determine a spatial reception parameter of a control channel based on QCL (Quasi-co-location) information pertaining to a synchronization signal or a reference signal, and a receiver configured to receive the control channel based on the determined spatial reception parameter, wherein, in a case where a first search space is received during a non-contention based random access procedure, the control unit determines the spatial reception parameter of the first search space based on the QCL information applied when receiving an instruction by the control channel, the instruction triggering the non-contention based random access procedure.

Abstract: In one aspect of the present invention, a user equipment apparatus includes a reception unit configured to receive, from a base station, control information indicating a pattern of retransmission schemes to be applied depending on a retransmission count, for retransmitting a preamble through random access to the base station, the retransmission schemes including beam switching and power ramping; and a transmission unit configured to transmit the preamble according to the control information at timing of retransmitting the preamble.

Abstract: A terminal includes a receiver configured to receive from a base station a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH) in a synchronization signal block; and a transmitter configured to transmit a random access preamble based on the synchronization signal block in which the PSS, the SSS, and the PBCH are received. A mapping period for mapping synchronization signal blocks included in a synchronization signal block set to resources for transmitting the random access preamble is determined based on a period determined based on configuration information regarding a random access channel, a value of a period of the synchronization signal block set, and a value of a duration in which a process of mapping synchronization signal blocks used for transmission by the base station in the synchronization signal block set to the resources for transmitting the random access preamble is completed.

Abstract: A user equipment comprises a transmitter configured to transmit a signal to a base station apparatus; a controller configured to determine whether an environment to the base station apparatus is a line of sight (LOS) environment. The controller changes an operation according to the determined environment, or the transmitter transmits to the base station apparatus information indicating the determined environment.

Abstract: A radio node that is a first radio node among a plurality of radio nodes, includes: a reception section that receives at least one of first information indicating qualities of a plurality of candidate links between the first radio node and a second radio node, and second information indicating congestion degrees of the candidate links, through any of the candidate links; and a control section that determines a candidate link used for establishing connection among the plurality of candidate links, based on at least one of the first information and the second information that are received.

Abstract: There is provided a user equipment including a receiving unit that receives information specifying a resource group for transmitting a plurality of blocks including a sidelink synchronization signal and sidelink broadcast information, wherein, for the plurality of blocks, different beams of one set of a plurality of beams are applied; a controlling unit that selects a plurality of resources for transmitting the plurality of blocks in accordance with the information specifying the resource group; and a transmitting unit that transmits the plurality of blocks including the sidelink synchronization signal and the sidelink broadcast information to another user equipment using the selected plurality of resources.

Abstract: A user equipment has a reception unit configured to receive from a base station apparatus a measurement configuration including an event that sets a condition for sending a measurement report, a control unit configured to perform a measurement based on the measurement configuration, and a transmission unit configured to send to the base station apparatus, when the condition for sending a measurement report is met, a measurement report based on a result of the performed measurement, wherein the control unit determines, based on the result of the performed measurement, a period with which a measurement is performed.

Abstract: There is provided a user equipment, the user equipment including: a reception unit that receives configuration information in which a reference signal and a synchronous signal block are associated with each other from a base station; a control unit that selects a specific reference signal from a plurality of reference signals to be monitored in a random access procedure; and a transmission unit that transmits a random access signal to the base station using a resource corresponding to the specific reference signal, wherein the reception unit assumes based on the configuration information that there is a quasi co-location relation between the synchronous signal block corresponding to the specific reference signal and a signal to be monitored in a predetermined search space, and monitors the signal.

Abstract: A user equipment includes a receiving unit configured to receive, from a base station, control information to be a trigger for starting a random access procedure, the control information including a SSB index specifying a synchronization signal block and a RACH occasion index specifying a relative position of a transmission resource for transmitting a random access preamble; a control unit configured to determine a position of the transmission resource for transmitting the random access preamble, based on a time until preparation for transmitting the random access preamble is completed after receiving the control information, the SSB index, and the RACH occasion index; and a transmitting unit configured to transmit the random access preamble at the position of the transmission resource determined by the control unit.