Fujitsu Corporation

Yuki Shinada

Daisuke Nitta

Hiromitsu Kawai

Kazunari Kobayashi

Noboru Hasegawa

Takahiro Kawaguchi

Yutaka Hamada

Katsuyuki Masuda

Yuya Murakami

Yoshihiro Kawasaki

Yoshiaki Ohta

Takayoshi Ode

Satoshi Ueda

Masanori Hashimoto

Shinichiro Aikawa

Tetsuo Tomita

Yoshio Miura

Tomonori Kumagai

Tatsuru Nakagaki

Takeshi Kunugi

Tadanori Yokosawa

Masamitsu Komi

Hiroaki Maruyama

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.

Wireless base station, first wireless control apparatus, second wireless control apparatus, and wireless apparatus

A positional information managing device includes a processor. The processor is configured to manage first positional information of a first mobile device communicating with a network. The processor is configured to associate device information of a second mobile device connected to the first mobile device with the first positional information. The second mobile device communicates with the network through the first mobile device.

Positional information managing device, mobile terminal, and mobile device

A communication system including: a terminal, and a base station configured to wirelessly couple to the terminal using a first frequency band, wherein a second frequency band is used for wirelessly coupling the base station to the terminal instead of the first frequency band only when a specified application program executed in the terminal communicates only with a specified network via the base station, the second frequency band being used for communication between the specified application program and the specified application program.

Communication system, base station, and terminal

A wireless access system includes a terminal; and a fixed terminal control apparatus configured to identify based on position information of the terminal, whether the terminal is a fixed terminal having no change in position for a predetermined period of time, the fixed terminal control apparatus identifying whether the terminal is the fixed terminal, when the fixed terminal control apparatus receives from the terminal, a connection request requesting connection to a network of the terminal, the fixed terminal control apparatus further configured to deny the connection request according to a predetermined probability, when identifying the terminal to be the fixed terminal.

Wireless access system and fixed terminal control apparatus

A base station device is able to perform radio communication with a mobile terminal that exists in a first cell, and includes a memory and a transmitter. The memory stores therein position information on a second cell that can be a move destination for the mobile terminal. The transmitter transmits the position information on the second cell to the mobile terminal so as to cause the mobile terminal to detect that the mobile terminal has approached the second cell using the position information.

Base station device, mobile terminal, and radio communication system

The relay device is configured to relay packet data between an information processing device and a mobile equipment, and the relay device includes a memory, and a processor coupled to the memory and configured to receive, from the information processing device, a session release request that requests release of a communication session set between the mobile equipment and the information processing device, and when there is not a wireless resource allocated to the mobile equipment, transmit a session release response to the session release request to the information processing device without transmitting the session release request to the mobile equipment.

Relay device and session control method

A wireless device includes a memory, and a processor coupled to the memory and configured to store data into the memory, detect that the wireless device moves from a first cell area formed by a first base station to a second cell area formed by a second base station, when it is detected that the wireless device moves from a first cell area to a second cell area, determine whether to execute a processing for establish a communication path between the second base station and the wireless device based on an amount of the data stored in the memory, when it is determined to execute the processing for establish the communication path, execute the processing for establish the communication path, and send, to the second base station, the data stored in the memory using the established communication path.

Wireless device and communication method

A management apparatus that identifies a candidate for improving communication quality in a wireless communication system including a base station and a mobile station, the management apparatus comprising: an obtainer that obtains measured communication quality information and positional information from the mobile station; a communication quality estimator that estimates a communication quality based on the positional information obtained from the mobile station; a communication path determiner that identifies a communication path using the estimated communication quality estimated and the measured communication quality information; and a communication quality improvement candidate determiner that identifies the candidate for improving communication quality related to the communication path determined, the candidate being based on communication quality. A method and a program for identifying a candidate for improving communication quality, an apparatus, a method, and a program for determining a communication path, and a wireless communication system are also provided.

Management apparatus and method for identifying candidate for improving communication quality; apparatus and method for identifying communication path; non-transitory computer-readable storage medium storing such programs; and wireless communication system

A radio access system includes a controlling apparatus that when the terminal apparatuses to which delivery data is to be delivered are concentrated in a particular area, groups the terminal apparatuses as a terminal apparatus group, selects a representative server terminal apparatus from the terminal apparatuses, creates data map information indicating a delivery rule for delivering the delivery data from the representative server terminal apparatus to another terminal apparatus, adds information for identification of the representative server terminal apparatus to the data map information, transmits the group information and the data map information to the terminal apparatuses, and instructs a delivery data server to deliver the delivery data to the representative server terminal apparatus; and a terminal apparatus that obtains the delivery data by communicating, in accordance with the received data map information, with the another terminal apparatus within the terminal apparatus group included in the received group information.

Radio access system, controlling apparatus, and terminal apparatus

A base station apparatus including: a transmitter, and a processor to control the transmitter to transmit true area information when a given event is not detected, and to transmit false area information when the given event is detected. A wireless communication system including: a mobile station apparatus; and a base station apparatus to transmit true area information to the mobile station when a given event is not detected, and to transmit false area information to the mobile station when the given event is detected.

Base station apparatus, wireless communication system, and wireless communication method

In a control apparatus, a network IF acquires position information of a terminal that exists in both of a macro cell and a small cell, and position information of a terminal that exists in the macro cell. A control unit then identifies the terminal that exists in a peripheral area including an area corresponding to the small cell based on the position information of the terminals. The control unit then notifies the identified terminal of a control signal that starts cell search about the small cell through the macro cell.

Control apparatus and method of controlling cell search

A base station includes a receiving unit, a determining unit, a control unit, and a transmitting unit. The receiving unit receives a connection request signal when the base station is in a power-saving state. The determining unit, when the receiving unit receives the connection request signal, determines whether a priority of the base station is higher than a priority of a different base station that belongs to a same group as the base station. The control unit, when the determining unit determines that the priority of the base station is higher than the priority of the different base station, causes the base station to return from the power-saving state to a normal state. The transmitting unit wirelessly transmits a notification signal after the base station is returned to the normal state by the control unit.

Base station

A communication control apparatus includes an acquirer that acquires operation information of a moving object having a shielded space therein, and a controller that controls at least one of a channel between a first base station installed in a car in the moving object and a second base station installed on each floor where the car is stoppable, transmission power of the first base station and transmission power of the second base station, and location information for locating a position of a mobile terminal for each floor where the car is stoppable, on the basis of the operation information.

Communication control apparatus and communication control method

A communication quality measuring apparatus includes a calculating unit, a specifying unit, and an associating unit. The calculating unit collects information that is used to calculate the communication quality of wireless communication from a base station that performs wireless communication with a mobile station and calculates the communication quality by using the information. The specifying unit collects location information from a measuring device that measures the location information related to the mobile station and specifies a mobile station area that is an area in which the mobile station is located by using the location information. The associating unit associates the communication quality calculated by the calculating unit with each of the mobile station areas specified by the specifying unit.

Communication quality measuring apparatus and communication quality measuring method

In a communication system, an upper-level carrier has communication functions for both first and second sessions. A first communication unit communicates with the upper-level carrier through a first communication session established therewith. A second communication unit communicates with the upper-level carrier through a second communication session established therewith. A communication control unit controls the first and second communication units. The communication control unit disconnects the first communication session and directs a signal intended for the first communication session to the second communication session, so that the signal is delivered to the upper-level carrier by using the second communication session as a detour.

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Saitama, Japan

Yuki Shinada