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 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 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 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 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 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 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 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 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 for a wireless communication, the wireless terminal includes: a memory that includes a buffer configured to store uplink data, wherein the uplink data is configured to be transmitted; and a controller configured to transmit a buffer status report, the buffer status report including a first index, wherein the first index is one of a plurality of buffer status indices and corresponds to a buffer size indicating a size of the uplink data stored in the buffer, wherein the memory is configured to store a buffer status table in which a range from a minimum value of the buffer to a maximum value of the buffer is divided into a plurality of subranges, the plurality of subranges being associated with a part of the plurality of buffer status indices, and a rest of the plurality of buffer status indices are associated with one or more reserved fields.

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.