Abstract: A base station device includes a processor a communicator. The processor configured to perform, when a terminal device performs wireless communication by using both a first wireless communication method that is a wireless communication method with the base station device and a second wireless communication method that is a wireless communication method with a relay device, data communication by converging the wireless communication in a convergence layer in the first wireless communication method. The communicator configured to identify, even when the relay device relays data that is transmitted and/or received by the second wireless communication method to the base station device by any of the wireless communication methods of the first wireless communication method and the second wireless communication method, a bearer in the first wireless communication method to which the data belongs, and transmit and/or receive the data.

Abstract: A base station device that communicates with a first terminal device that transmits first data includes: a controller configured to determine whether a calculation method for a single term among a plurality of terms included in an equation for determining a transmission power of the first terminal device is either a first method or a second method, the first method using a relative value based on a previous value of the single term, the second method using an absolute value that is irrelevant to the previous value of the single term; and a transmitter configured to transmit, to the first terminal device, notification information for notifying the calculation method determined by the controller.

Abstract: A communication system includes: a first communication apparatus configured to control a first wireless communication and a second wireless communication different from the first wireless communication; a second communication apparatus configured to communicate using the second communication; and a third communication apparatus configured to perform data communication with the first communication apparatus via the first wireless communication or the second wireless communication, wherein the third communication apparatus transmits to the first communication apparatus a control message that includes an available address of the third wireless communications apparatus used in the second wireless communication, the first communication apparatus notifies the second communication apparatus of the available address of the third communication apparatus, and the second communication apparatus communicate with the third communication apparatus using the address.

Abstract: A wireless communication device that transmits data to another wireless communication device that performs wireless connection using a packet including a transmission number, the wireless communication device includes, a controller configured to classify the data as first data when a transmission condition indicating a condition related to transmission of the data is a first transmission condition and classifies the data as second data when the transmission condition of the data is a second transmission condition different from the first transmission condition, and a transmitter configured to transmit the data in a first transmission mode in a layer related to the wireless connection when the data is the first data and transmits the data in a second transmission mode in a layer related to the wireless connection when the second data is second data.

Abstract: A first wireless communication device includes a controller configured to: operate in a first mode or a second mode, the first mode being a mode that has a first mode in which data communication with a second wireless communication device may be performed, the second mode being a mode in which limited data communication may be performed; and transmit, at timing when the second wireless communication device may receive data in the second mode, a code related to message authentication and first data, to the second wireless communication device via a downlink channel, by allocating the code related to message authentication and the first data to the downlink channel that does not accompany a corresponding uplink channel.

Abstract: A first wireless communication device that performs pre-allocated communication to communicate with a second wireless communication device, using a preconfigured radio resource, includes a controller configured to receive data transmitted on an adjusted radio resource obtained by adjusting a timing of a preconfigured pre-allocated radio resource to a predetermined different timing.

Abstract: A first wireless communication device that performs pre-allocated communication to communicate with a second wireless communication device, using a radio resource that is configured beforehand, the first wireless communication device includes a controller configured to reconfigure a frequency of a pre-allocated radio resource in the second wireless communication device while maintaining a preconfigured transmission cycle of the pre-allocated radio resource, and control implementation of the pre-allocated communication that uses the reconfigured frequency of the pre-allocated radio resource.

Abstract: A communication device performing wireless communication with a plurality of partner communication devices, the communication device includes a communicator and a controller. The communicator configured to perform communication with a network to which the communication device is connected and a partner communication device included in the plurality of communication devices. The controller configured to cause the plurality of partner communication devices to perform uplink data communication when receiving, from the network, a control signal requesting the uplink data communication with the partner communication devices, which includes information regarding requested uplink data.

Abstract: A first wireless communication device in a wireless communication system, includes: a first memory; and processor circuitry coupled to the memory, the processor circuitry being configured to control communication with a second wireless communication device that has a survival time, being capable of controlling wireless measurement performed by the second wireless communication device in a survival time duration by using information related to performance of wireless measurement included in a control signal, and being capable of receiving data transmitted under priority control performed between the data and other data in the second wireless communication device.

Abstract: A terminal device includes: a selecting circuit configured to select a single downlink beam from among a plurality of downlink beams that are used for downlink transmission; a deciding circuit configured to decide that a radio resource associated with a synchronization signal block or a reference signal for estimating a channel state transmitted by the selected downlink beam is a radio resource that is used for a random access process; and a controller configured to control transmission power used for the decided radio resource. The controller increases the transmission power in a case in which the synchronization signal block associated with the reference signal for estimating the channel state of the selected downlink beam selected is not changed.

Abstract: A radio communication apparatus includes a transmitter configured to transmit a message to a different radio communication apparatus, and processor circuitry configured to perform a process on the message that is transmitted; and further configured to, when including a first parameter in a first Radio Resource Control (RRC) message that is to be transmitted to the different radio communication apparatus and including a second parameter in a first Data Radio Bearer (DRB) configuration parameter that is included in the first RRC message, control to include a third parameter in the first DRB configuration parameter.

Abstract: A wireless communication device that transmits data to another wireless communication device that performs wireless connection using a packet including a transmission number, the wireless communication device includes, a controller configured to classify the data as first data when a transmission condition indicating a condition related to transmission of the data is a first transmission condition and classifies the data as second data when the transmission condition of the data is a second transmission condition different from the first transmission condition, and a transmitter configured to transmit the data in a first transmission mode in a layer related to the wireless connection when the data is the first data and transmits the data in a second transmission mode in a layer related to the wireless connection when the second data is second data.

Abstract: A terminal device (200) includes a wireless communication unit (210) that receives data transmitted from a base station device (100); a reception buffer (231) that can hold the data received by the wireless communication unit (210); and a transmission control unit (222) that can perform control, in accordance with a status of the reception buffer, such that communication status information indicating a reception status of the data is transmitted to the base station device (100).

Abstract: A first wireless communication device included in a wireless communication system, the first wireless communication device includes, a communicator that performs communication with a second wireless communication device supporting a survival time, and a controller configured to control allocation of a radio resource for data transmission in terms of frequency band and time domain, in a survival time mode in which the survival time is being applied, and configured to control, in accordance with the survival time and information on a radio measurement duration during which the second wireless communication device performs radio measurement, configuration of the radio measurement duration.

Abstract: A second radio communication device includes, a receiver configured to receive a Radio Resource Control (RRC) message from a first radio communication device, and a controller configured to, when the RRC message includes a first parameter and a second parameter, control to perform processing according to the second parameter after performing processing of resuming a radio bearer in a suspended state.

Abstract: A first wireless communication apparatus includes: a controller configured to perform numbering of multiple pieces of data and transmit the multiple pieces of data that are numbered, to a second wireless communication apparatus, and perform first processing in a case where, among the multiple pieces of data, specific data is discarded after the numbering and before the transmission, wherein the first processing is configured to transmit the multiple pieces of data subsequent to the discarding to the second wireless communication apparatus without renumbering, and transmit discarding notification information that notifies the discarding, to the second wireless communication apparatus.

Abstract: A wireless communication device includes processor circuitry configured to perform to control, when establishing communication with another wireless communication device in a non-communication mode, to generate first identification information included in identification information that is able to simultaneously identify the wireless communication device itself and the other wireless communication device, regardless of whether the other wireless communication device holds second identification information included in the identification information, and to notify the generated first identification information to the other wireless communication device.

Abstract: A base station device includes, a transmitter configured to transmit a Radio Resource Control (RRC) message including information for configuring a secondary cell group to a terminal device, and a controller configured to control to refrain from performing first processing on the terminal device when the secondary cell group that is configured for the terminal device through the RRC message is in a first state.

Abstract: A wireless communication device includes processor circuitry configured to control, in a case of performing communication with another wireless communication device, so as to perform data communication using simultaneously a plurality of cell groups including a cell being able to control a control plane and another cell that are selected when the communication with the other wireless communication device in a non-communication mode is established.

Abstract: A base station that can transmit a synchronization signal at a predetermined transmission interval in a plurality of cycles includes a processor configured to continuously transmit the synchronization signal in a plurality of radio signals; and control radio measurement of a mobile station connected to the base station such that the mobile station detects the synchronization signal under a condition in accordance with second information that has been scaled by using first information.