Abstract: A wireless communication apparatus includes processor circuitry configured to control to perform data communication when communication is implemented with another wireless communication apparatus, the data communication selectively using a multiple-cell group, the multiple-cell group being selected when communication with the other wireless communication apparatus in a non-communication mode is established and being able to perform data communication allowed even in the non-communication mode.

Abstract: A transmission device includes a communication circuit configured to wirelessly communicate with a reception device, by using a plurality of wireless services including a first wireless service having a first priority and a second wireless service having a second priority that is a priority lower than the first priority, and a processing circuit configured to perform, in accordance with a first information element, allocating of an uplink radio resource to transmission data of the first wireless service, the allocating of the uplink radio resource being performed in a situation, the situation being a situation that a medium access control-protocol data unit (MAC-PDU) has been generated or can be generated in response to allocating the uplink radio resource to a transmission data of the second wireless service, the first information element indicating a value configured to control logical channel prioritization (LCP) procedure.

Abstract: A wireless communication apparatus that is used as a second wireless communication apparatus in a wireless communication system that includes a first wireless communication apparatus and a plurality of the second wireless communication apparatuses includes: a communication circuit configured to perform wireless communication via a first communication channel between the wireless communication apparatus and one other second wireless communication apparatus, and wireless communication via a second communication channel between the wireless communication apparatus and the first wireless communication apparatus; and a control circuit configured to control the communication circuit to establish the second communication channel between the wireless communication apparatus and the first wireless communication apparatus, and switch from communication with the one other second wireless communication apparatus via the first communication channel to communication via the second communication channel.

Abstract: A processing method includes: determining at least one of first conditions in a first situation, by a second wireless apparatus in a system which includes a first wireless apparatus and a plurality of the second wireless apparatuses, the first situation being when the wireless apparatus operates in an idle mode and when communication between the wireless apparatus and the one other second wireless apparatus is performed via a first channel, the first conditions including whether a quality of the first channel is lower than a predetermined quality and whether a switching instruction is received; and executing a first process by the second wireless apparatus when the at least one of first conditions is met, the first process including establishing a second channel between the second wireless apparatus and the first wireless apparatus, and switching from communication via the first channel to communication via the second channel.

Abstract: A wireless communication system includes a first wireless communication device, and a second wireless communication device. The first wireless communication device includes: a communicator that delivers, to the second wireless communication device, data addressed to a third wireless communication device and receives, from the second wireless communication device, information on communication quality according to failed data of which delivery fails among the data delivered from the second wireless communication device to the third wireless communication device; and a controller that controls delivery of the data in accordance with the information on the communication quality.

Abstract: A base station device includes a transmitter configured to perform communication when a terminal station device associated with the base station device is in a predetermined state, and a controller configured to configure, regarding setting that is related to a region in which a control signal for the communication performed by the terminal station device is decoded and that is related to a duration in which the region becomes available, a duration that corresponds to first communication and a duration that corresponds to second communication out of the communication, and control the terminal station device so as to cause the terminal station device to perform the communication by intermittently using each of the durations.

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 transmitting device includes: a buffer configured to store the transmission data; a first layer processor configured to execute processing for a first layer on the transmission data; a second layer processor configured to execute processing for a second layer on the transmission data, the second layer being lower layer of the first layer; and a transmitter configured to transmit the transmission data processed by the first layer processor and the second layer processor; and a receiver configured to receive first information and second information, the first information being information for setting a first time for discarding the transmission data used by the first layer, the second information being information associated with the second layer and used to configure a second time for discarding the transmission data, wherein the first layer processor is configured to discard the transmission data stored in the buffer when the second discard time expires.

Abstract: A communication device that performs wireless communication with a terminal device, the communication device includes a receiver, a processor, and a transmitter. The receiver configured to receive a measurement request from a wireless communication control device which controls communication between the communication device and the terminal device. The processor configured to measure uplink wireless channel quality with the terminal device. The transmitter configured to transmit a result of the measurement to the wireless communication control device. The receiver receives control information related to the measurement of the uplink wireless channel quality from the wireless communication control device or another communication device.

Abstract: A base station includes a memory and a processor coupled to the memory and configured to transmit, when a state transition of a mobile station is performed, a first control signal to the mobile station, and perform control to simultaneously transmit the first control signal and a second control signal different from the first control signal to the mobile station when a first state transition, which causes a state of the mobile station to transfer from a first state to a second state, is performed, and then a second state transition, which causes the state of the mobile station to transfer from the second state to a third state, is performed.

Abstract: A communication device that performs a random access procedure, the communication device includes a transmitter and a controller. The transmitter configured to transmit a first signal in the random access procedure and a second signal which is not a signal of the random access procedure. The controller configured to perform control so that first information included in a first subheader corresponding to the first signal is included in a second subheader corresponding to the second signal and is transmitted.

Abstract: A wireless communication device includes a controller configured to configure an entity that processes data to be transmitted by a radio bearer, configure a plurality of communication channels with different communication configurations for requirements of the data, select one communication channel from the communication channels in accordance with a state of the data, and control data communication with a counterpart wireless communication device.

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.

Abstract: A transmitting device includes a first layer processor configured to include a buffer to store therein transmission data, the first layer processor configured to execute processing for a first layer on the transmission data, a second layer processor configured to execute processing for a second layer that differs from the first layer on the transmission data, and a transmitter configured to transmit the transmission data processed by the first layer processor and the second layer processor. The first layer processor discards the transmission data stored in the buffer in accordance with a parameter used for transmission control in the processing for the second layer.

Abstract: A wireless communication device includes a controller configured to configure a plurality of entities for requirements of data to be transmitted by a radio bearer, configure communication channels with different communication configurations for the respective entities, select one entity and one communication channel in accordance with a state of the data, and control data communication with a counterpart wireless communication device.

Abstract: A base station device 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 is either a first method or a second method; and a transmitter configured to transmit notification information for notifying the calculation method determined by the controller. The controller determines either the first method or the second method for first data, and determines either the first method or the second method for second data different from the first data.

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.

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 wireless terminal including: a memory, and a processor coupled to the memory and configured to: communicate with a wireless base station using a wireless signal that is divided into sequential time segments, receive first information from the wireless base station, the first information including a length of a period for periodic wireless communication that is performed using the wireless signal, the length of the period being a specified number of time segments in the sequential time segments, and perform the periodic wireless communication with the wireless base station based on the first information, wherein the first information includes second information indicating at least one time segment within the period for the periodic wireless communication, the indicated at least one time segment in which a radio resource for the periodic wireless communication is allocated for the wireless terminal.

Abstract: A radio terminal that performs radio communication with a base station, including: a communicator configured to perform radio measurement and monitoring of a paging signal; and a controller configured to control the communicator to receive information related to first duration by Non-Access Stratum (NAS) message from the base station, and not to perform the radio measurement and the monitoring during the first duration but to perform the radio measurement and the monitoring during second duration different from the first duration, wherein the controller is further configured to control the radio measurement and the monitoring by ending the first duration for transmitting uplink data of the radio terminal.