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 first communication device in a communication systems including the first communication device and the second communication device that performs wireless connection with the first communication device and relays communication with the first communication device, the first communication device includes a receiver configured to receive packets from the second communication device, and a transmitter configured to store reception confirmation packets corresponding to the packets in a buffer, perform transmission at least a portion of the reception confirmation packets stored in the buffer, and discard reception confirmation packets not to be transmitted in the transmission according to a discard ratio.

Abstract: A wireless communication method including: transmitting, from a base station, a signal in a second control channel that is used for transmitting information indicating a resource of first resource information indicating a resource of a first control channel, and receiving, by a wireless terminal, second resource information that indicates the resource of the first control channel and that is transmitted from the wireless base station before a transmission of the second control channel from the wireless base station to the wireless terminal.

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 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 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 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 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 base station configured to control a second wireless communication different from a first wireless communication by a control unit configured to control the first wireless communication; and a mobile station configured to be capable of performing data transmission between the mobile station and the base station, using one of the first wireless communication and the second wireless communication. When data is transmitted between the base station and the mobile station using the second wireless communication, a sender station among the base station and the mobile station performs transmission control of using an identifier of a bearer of the data transmitted to a receiver station among the base station and the mobile station and using correspondence information of the identifier and an access category that is QoS information in the second wireless communication to identify the access category of the data and transmit the data.

Abstract: A method implemented by a transmission apparatus configured to generate a radio signal based on second data obtained by sequentially processing first data addressed to a reception apparatus from an upper layer to a lower layer, the method includes: executing preprocessing configured to start generating the second data before an amount of radio resources to be allocated to the reception apparatus is determined; executing first processing when the amount of radio resources to be allocated to the reception apparatus is determined, the first processing being configured to generate the radio signal based on the second data which has an amount corresponding to the amount to be allocated among the second data generated in the preprocessing; and executing second processing that includes performing control such that the amount of the second data generated from the first data is below a first threshold in the preprocessing.

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 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 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 wireless communication method including: transmitting, from a base station, a signal in a second control channel that is used for transmitting information indicating a resource of first resource information indicating a resource of a first control channel, and receiving, by a wireless terminal, second resource information that indicates the resource of the first control channel and that is transmitted from the wireless base station before a transmission of the second control channel from the wireless base station to the wireless terminal.

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 radio terminal includes a radio reception device that receives line identification information related to a setting of a host line between a base station and a host node, and a radio signal from the base station, when a radio line between the radio terminal and the base station is disconnected, and the host line used by the radio terminal to communicate via the base station is maintained, a control device that scrambles or spreads a signal to be transmitted to another communication device or the base station, using the line identification information, and a radio transmission device that transmits the scrambled or spread signal to the base station.

Abstract: A terminal capable of performing a random access procedure, the terminal includes a receiver, a controller, and a transmitter. The receiver configured to receive a first signal of the random access procedure from a base station. The controller configured to control a transmission timing at which a second signal of the random access procedure is transmitted according to configuration information associated with a transmission timing. The transmitter configured to transmit, to the base station, the second signal in an unlicensed band at the transmission timing.

Abstract: A wireless communication system includes: a transmitting apparatus to transmit using one or more of radio resources; and a receiving apparatus to store correspondence information indicating a correspondence between a resource amount and a data size, the transmitting apparatus transmits to the receiving apparatus, data mapped to the radio resources, where the transmitting apparatus transmits a single control signal associated with the data to be transmitted across a plurality of time resource, the transmitting apparatus transmits a single control signal associated with the data transmitted across a plurality of frequency resources, the single control signal includes information indicating a value based on a number of the plurality of time resources, a number of the plurality of frequency resources, or information indicating a first resource amount wherein the receiving apparatus acquires a first data size being dependent on the value, the first resource amount, and correspondence information, and decode the da

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 terminal including; a memory configured to store a first table and a second table different from the first table; a receiver configured to receive a Radio Resource Control (RRC) Connection setup signaling including information indicating the first table or the second table, a controller configured to configure a buffer table to the first table or the second table according to the information; and, a transmitter configured to transmit a RRC Connection setup complete signaling after configured the table, wherein, the transmitter transmits a signal including an index of the buffer table accorded to amount of data that the terminal has, the index indicates a range of data amount.