Abstract: A wireless terminal of a wireless communication system, the wireless communication system including a wireless base station and one or more wireless terminals, the wireless terminal includes: a radio communication circuit configured to perform wireless communication with the wireless base station; and a controller configured to allocate a part of an allocation amount of a wireless resource indicated in uplink grant to transmission of a status report of a transmission buffer when the uplink grant is received from the wireless base station, and uplink data stored in the transmission buffer is transmitted by using the radio communication circuit.

Abstract: A wireless communications system includes a packet core network, and a wireless access network including a base station and a terminal. The wireless communications system includes plural terminals; and a base station configured to perform a process related to a proximity-based communications service between the plural terminals and when a failure in a connection between the base station and the packet core network occurs, the base station causes execution of proximity-based communication between the plural terminals by using the process related to the proximity-based communications service and performing authentication and authorization of communication with a terminal connected to the base station among the plural terminals.

Abstract: A communication apparatus in a communication system including a plurality of communication apparatuses, the communication apparatus includes a controller configured to, in a wireless communication with another communication apparatus, considering with power information related to a power amount of a signal to be transmitted from the communication apparatus to candidate communication apparatuses that are candidates for performing the wireless communication, calculate a transmission power amount for the candidate communication apparatuses, and perform a control such that a candidate communication apparatus for which the calculated transmission power amount is the smallest becomes the other communication apparatus for performing the wireless communication, and a transmitter configured to transmit a signal to the other communication apparatus considering with the power information.

Abstract: A base station includes a memory; a processor configured to transmit a wireless signal to a wireless terminal and to receive a wireless signal from the wireless terminal; and a controller configured to, while a radio link between the wireless terminal and the base station is disconnected, and an upper-layer connection between the base station and an upper-layer node is maintained wherein the wireless terminal uses the upper-layer connection for communication through the base station, in response to an event that one of first setting information for setting the radio link and second setting information for setting the upper-layer connection is changed, transmit setting information having been changed among the first setting information and the second setting information to the wireless terminal through the processor.

Abstract: A terminal device includes: a transmitter configured to transmit a scheduling request for an uplink (UL) resource; and a controller configured to stop a random access procedure when MAC PDU is transmitted using a UL grant other than a UL grant provided by random access response in the random access procedure.

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 apparatus includes a control unit configured to establish a connection with a first cell formed by another wireless communications apparatus, the control unit performing selection or reselection of a second cell different from the first cell, according to a value of control information corresponding to a degree of connection barring of at least one or more cells, when the connection with the first cell is barred. The wireless communications apparatus camps on the second cell, not on the first cell when the control unit performs the selection or reselection of the second cell.

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 device includes 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, be able 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.

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 base station device has a transmitter and a receiver. The transmitter transmits reporting information including information of divided resources, information of connection modes used when connecting to the divided resources, and information for identifying services associated with the divided resources. Here, the divided resources are obtained by dividing resources in association with services provided via a core network. The receiver receives, from a terminal that has received the reporting information, a connection request that specifies a certain connection mode to be used for connection.

Abstract: A wireless base station for wireless communication includes: a wireless apparatus configured to perform first signal processing that is a part of signal processing in the wireless communication; a first wireless control apparatus configured to perform a user plane (U-plane) processing of the wireless communication; and a second wireless control apparatus configured to perform a control plane (C-plane) processing of the wireless communication.

Abstract: A radio communication system, a first application server includes a communicator configured to transmit to and receive from a terminal apparatus individual data via a first base station apparatus, the first base station apparatus includes a first controller configured to request to a second base station apparatus first control information regarding to a second application server connected to the second base station apparatus and second control information for the terminal apparatus to connect to the second base station apparatus, and a transmitter configured to transmit to the terminal apparatus the second control information notified from the second base station apparatus, at least, the second base station apparatus includes a second controller configured to notify the first and second control information to the first base station apparatus, the terminal apparatus receives at least the second control information from the first base station apparatus.

Abstract: A wireless base station for communicating with a wireless terminal includes: a wireless apparatus configured to perform first signal processing, the first signal processing including wireless signal processing among signal processing of the wireless base station; a wireless control apparatus configured to perform second signal processing, the second signal processing being different from the first signal processing; and a transmitter that includes at least any of a first transmitter and a second transmitter, the first transmitter being configured to notify the wireless control apparatus of first information relating to the first signal processing, the second transmitter being configured to notify the wireless apparatus of second information relating to the second signal processing.

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 wireless communication system includes a terminal configured to perform wireless communication concurrently using a cell of a first type enabling connection without association with another cell and a cell of a second type enabling connection by being associated with the cell of the first type; and a base station configured to form a first cell of the second type and when detecting that the terminal selects the first cell for the cell of the first type, the base station notifies the terminal of a second cell of the first type different from the first cell so as to allow the terminal to change connection to the second cell.

Abstract: A wireless communication device which receives a data signal and a first control signal associated with the data signal from another wireless communication device, the wireless communication device includes a receiver configured to receive, from the another wireless communication device, a series of first frames having a first frame length through a first subband and a series of second frames having a second frame length through a second subband, the second frame length differing from the first frame length, and a processor configured to obtain the first control signal of the first frame through the first subband and the data signal associated with the first control signal of the second frames through the second subband, and specify which of the second frames includes the data signal, based on predetermined information included in the first control signal.

Abstract: A base station includes: a transmitter configured to transmit an operation signal for a remote control; and a controller that is coupled to the transmitter, wherein the controller is configured to execute a setting process that includes setting, with regard to transmission of the operation signal, a service class for the remote control, and execute a control process that includes controlling, in accordance with the service class, the operation signal to be transmitted via the transmitter.

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 radio communication system includes a base station configured to set a first radio resource for performing full duplex communication and a second radio resource for performing half duplex communication in one frequency band, and a radio terminal configured to communicate with the base station by using at least one of the first radio resource and the second radio resource.