Fujitsu Corporation

Fujitsu Connected Technologies Limited

1finity Inc.

Yoshiaki Ohta

Yoshihiro Kawasaki

Yoshiharu Tajima

Takayoshi Ode

Kazuhisa Obuchi

Shinichiro Aikawa

Katsumasa Sugiyama

Yoshinori Tanaka

Tetsuya Yano

Nobuhisa Aoki

Ryuichi Takechi

Kazuo Kawabata

Akira Ito

Haibo Xu

Hideto Furukawa

Masatsugu Shimizu

Jianming Wu

Yutaka Kobayashi

Naotoshi Watanabe

Junichi Suga

Hua Zhou

Yuantao Zhang

Paul Bucknell

Michiharu Nakamura

Timothy J Moulsley

Matthew William Webb

Milos Tesanovic

Tsuyoshi Shimomura

Tomonori Sato

Daisuke Jitsukawa

Yanling Lu

Masafumi Tsutsui

Kenji Suda

Hongyang Chen

Yuki Shinada

Tetsuya Hasegawa

Ryosuke Kobayashi

Huiting Cheng

Yoshihara Tajima

A communication device includes, a first wireless communication layer and a second wireless communication layer, each of the first wireless communication layer and the second wireless communication layer being compliant with a first communication standard and a second communication standard, a controller that selects respective communication standards for the first wireless communication layer and the second wireless communication layer on the basis of communication standards of the first wireless communication layer and the second wireless communication layer, with each of which the other communication device is compliant.

Communication device and communication system

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.

Base station, terminal, and wireless communication system

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.

Base station device, terminal device, communication method and communication system

A radio station includes, a controller configured to configure a bundled channel which is a channel group obtained by bundling a plurality of channels and first information related to the bundled channel, and perform control to generate a transmission opportunity for a second signal that requests an uplink resource for a first signal, according to an amount of data in the bundled channel and the first information, and a communicator configured to transmit the second signal to another radio station according to the transmission opportunity for the second signal, and receives a radio resource from the other radio station.

Radio station and communication system

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.

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.

Radio communication device and radio communication method for executing process corresponding to reception state information

A mobile station is a mobile station configured to transmit data to a base station by performing priority control, and includes a memory and a processor coupled to the memory and configured to be capable of transmitting a plurality of pieces of data having different requirements corresponding to a plurality of channel groups, and be capable of, when performing the priority control, applying a radio resource specified by the base station to a channel group specified by the base station out of the channel groups and controlling transmission of the data.

Mobile station, base station, communication system, and communication method performed in the communication system performing priority control

A base station device that communicates with a terminal device in a wireless manner, the base station device includes, a controller configured to determine an accumulation number which is a number of reception confirmation packets that are able to be accumulated in the terminal device and correspond to packets received from the base station device, in accordance with an amount of data transmitted by the terminal device, and a transmitter configured to transmit a control signal including the determined accumulation number to the terminal device.

Base station device, terminal device, and communication method

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.

Terminal device, base station device, and wireless communication system

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.

Wireless communication method, wireless communication system, wireless terminal, and wireless base station

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.

Base station device, relay device, and communication system

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.

Base station device, terminal device, wireless communication system, and communication method

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.

Wireless communications system, base station, mobile station, and processing method

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.

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.

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Yokohama, Japan

Yoshiaki Ohta