Abstract: A mobile station including: a communication unit that includes a first logical processing subject and a second logical processing subject that operates in association with the first logical processing subject and performs multiple communications with a first wireless communication apparatus and a second wireless communication apparatus; an accumulation unit that accumulates data received from the second wireless communication apparatus; and a notifying unit that notifies the first wireless communication apparatus of data receiving status in the accumulation unit.

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 communication device that performs a random access procedure, the communication device including a transmitter and a controller. The transmitter configured to transmit a first signal which is a signal of the random access procedure and a second signal which is not a signal of the random access procedure. The controller configured to incorporate first information to be transmitted by the first signal into the second signal, and control to transmit information related to the second signal.

Abstract: A terminal device includes: a receiver configured to receive a signal including configuration information related to a scheduling request configuration associated with a logical channel; and a controller configured to control a counter associated with the scheduling request configuration. The controller controls, when the receiver receives a signal including configuration information related to a reconfiguration of the scheduling request configuration, the counter in accordance with at least one of the scheduling request configuration after the reconfiguration and a state of the scheduling request.

Abstract: A radio base station includes: a radio communicator configured to perform radio communication; and a first controller that includes a first scheduler configured to perform a first scheduling that is at least a first part of a scheduling for the radio communication; and a second controller that is coupled to the first controller via a network, wherein the second controller comprises a second scheduler configured to perform a second scheduling that is at least a second part of the scheduling for the radio communication.

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 communication apparatus includes a radio processing unit configured to transmit or receive a radio signal; and a control unit configured to control application of retransmission control in accordance with information indicating whether or not to apply the retransmission control, the information being included in a radio signal received from another communication apparatus via the radio processing unit.

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 radio communication device includes a reception unit that receives a part of data transmitted from a first communication device, via a first path including a radio channel between the radio communication device and the first communication device and that receives another part of data transmitted from the first communication device, via a second path that goes through a second communication device; a control unit that performs communication control in accordance with a state of data communication performed via the second path; and a transmission unit that transmits, to the first communication device via the first path by using control performed by the control unit in accordance with the state of the data communication performed via the second path, reception state information that specifies data that has been received or data that has not been received by the reception unit.

Abstract: A wireless communication method including: when a wireless station has dual connectivity to a first base station that is a primary base station and a second base station that is a secondary base station and when a handover of the primary base station is to be performed from the first base station to a third base station, transmitting from the first base station to the third base station a first signal requesting the handover, when the third base station makes a determination not to change the secondary base station based on the first signal, transmitting from the third base station to the second base station a second signal indicating the determination and to the first base station a third signal indicating the determination, and performing the handover based on the third signal without transferring a connection between the wireless station and the second base station to the first base station.

Abstract: A base station device including: a transmitter configured to transmit, for each logical channel, first data of a first type and second data of a second type; and processor circuitry configured to: omit information about a data length of the second data in a MAC protocol data unit (PDU), place a medium access control (MAC) header in front of a MAC service data unit (MSDU) of the second data, and multiplex the first data and the second data, wherein the data length of the second data is omitted from the MAC header and an R bit (reserved bit) is set in the first bit of the first octet in the MAC header.

Abstract: A communication apparatus includes a radio processing unit configured to transmit or receive a radio signal; and a control unit configured to control application of retransmission control in accordance with information indicating whether or not to apply the retransmission control, the information being included in a radio signal received from another communication apparatus via the radio processing unit.

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 base station device including: a transmitter configured to transmit, for each logical channel, first data of a first type and second data of a second type; and processor circuitry configured to: omit information about a data length of the second data in a MAC protocol data unit (PDU), place a medium access control (MAC) header in front of a MAC service data unit (MSDU) of the second data, and multiplex the first data and the second data, wherein the data length of the second data is omitted from the MAC header and an R bit (reserved bit) is set in the first bit of the first octet in the MAC header.

Abstract: A wireless communications system including a base station and a terminal, the wireless communications system capable of communications between terminals through a first path and communications between terminals through a second path which different the first path, the wireless communications system includes: a plurality of terminals; and the base station including to: a memory; and a processor coupled to the memory, the processor configured to process related to proximity-based communications between a plurality of terminals; obtain identifiers of the terminal and information enables determination of whether to use the second path.

Abstract: A base station performing random access procedure, the base station includes a transmitter and a controller. The transmitter configured to transmit a protocol data unit which is a signal of the random access procedure and a second signal different from the first signal which is not signal of the random access procedure, the second signal being a downlink control signal of control plane. The controller configured to perform control such that control information is included in the first signal, the control information being for controlling transmission of the second signal.

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 method including: when a wireless station has dual connectivity to a first base station that is a primary base station and a second base station that is a secondary base station and when a handover of the primary base station is to be performed from the first base station to a third base station, transmitting from the first base station to the third base station a first signal requesting the handover, when the third base station makes a determination not to change the secondary base station based on the first signal, transmitting from the third base station to the second base station a second signal indicating the determination and to the first base station a third signal indicating the determination, and performing the handover based on the third signal without transferring a connection between the wireless station and the second base station to the first base station.

Abstract: A wireless base station for communicating with a wireless terminal includes: a wireless apparatus configured to perform a first part of signal processing, the first part of signal processing including wireless signal processing among signal processing of the wireless base station; a wireless control apparatus configured to perform a second part of signal processing, the second part of signal processing being different from the first part of signal processing, the signal processing of wireless terminal user data split between the wireless apparatus and the wireless control apparatus of the wireless base station, the wireless apparatus and the wireless control apparatus of the base station connected via a transmission path, and the second part of signal processing of the wireless terminal user data in a unit of packet data convergence protocol packet data unit (PDCP PDU).

Abstract: A radio communication device includes a reception unit that receives a part of data transmitted from a first communication device, via a first path including a radio channel between the radio communication device and the first communication device and that receives another part of data transmitted from the first communication device, via a second path that goes through a second communication device; a control unit that performs communication control in accordance with a state of data communication performed via the second path; and a transmission unit that transmits, to the first communication device via the first path by using control performed by the control unit in accordance with the state of the data communication performed via the second path, reception state information that specifies data that has been received or data that has not been received by the reception unit.