Patent application number | Description | Published |
20080285514 | Wireless Communication Apparatus, Method and Program Storage Medium - A wireless communication apparatus having a wireless communication function capable of using a plurality of transmission rates. The wireless communication apparatus includes utilization-factor calculation means for calculating a utilization factor of a wireless transmission path through which wireless communication is performed using the wireless communication function; and determination means for determining a transmission rate at least on the basis of the utilization factor calculated by the utilization-factor calculation means. | 11-20-2008 |
20090086696 | Wireless Transmission Device, Wireless Transmission Method, Wireless Communication System, and Program - A wireless transmission device according to the present invention includes a packet transmission portion, a Block ACK receiving portion, a retransmission control portion, and a transmission rate revision portion. The packet transmission portion transmits a plurality of packets to a receiving terminal. The Block ACK receiving portion receives a Block ACK that is received from the receiving terminal after the plurality of the packets are transmitted. The retransmission control portion determines a plurality of the packets to be consecutively transmitted, based on the Block ACK. The transmission rate revision portion revises a transmission rate that is used when the plurality of the packets are consecutively transmitted from a value that is normally used in accordance with a wireless channel quality. | 04-02-2009 |
20100040007 | Wireless Communication Device, Communication System, and Communication Control Method, and Program - A wireless communication device includes a control unit for performing a processing on communication data and a memory storing the communication data, in which the control unit performs a processing on data received via a direct link path and a path via a relay point, stores the data received via the respective paths in plural reorder buffers corresponding to the communication paths set in the memory, after a communication path switch decision processing, stores data from a new channel in a new channel reorder buffer and prohibits transfer to a higher-level layer, and when data indicating a trailing end frame is received from an existing channel, or a stand-by time elapses, or the data stored in the reorder buffer for the new channel reaches a specified threshold, performs a transfer processing for the data stored in the reorder buffer for the new channel to the higher-level layer. | 02-18-2010 |
20100046430 | WIRELESS COMMUNICATION DEVICE, COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, AND PROGRAM - A wireless communication device includes: a control unit configured to control communication data; and memory configured to store communication data; wherein the control unit performs processing of setting a re-order buffer corresponding to a source address, for storing received data in increments of source address in the memory, storing received packets from a single data source in the re-order buffer corresponding to a source address, and arraying the packet order following sequence numbers set to the received packets. | 02-25-2010 |
20100254361 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD AND PROGRAM - Provided is a wireless communication device which includes a function information transmitting unit for transmitting, via a wireless communication network, function information relating to a function of the wireless communication device, a function information receiving unit for receiving function information transmitted from another device, a function information comparison unit for comparing the function information of the wireless communication device and the function information received from such other device, and a function determination unit for determining which of the wireless communication device and such other device is to play a function of an access point, based on a result of the comparison by the function information comparison unit. | 10-07-2010 |
20100260158 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD AND PROGRAM - Provided is a wireless communication device which includes a notification information transmitting unit for transmitting, via a wireless communication network, notification information of the wireless communication device, a notification information receiving unit for receiving notification information transmitted from another device, a frequency switching unit for successively switching, at random cycles, a frequency at which the notification information is transmitted or a frequency at which the notification information is received, and a transmission processing unit for performing a data transmission process after transmitting or receiving an acknowledgement to the notification information to/from such other device. | 10-14-2010 |
20100272083 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND PROGRAM - There is provided a wireless communication device including a control-message creation/transmission-instruction unit which sends notification information via a wireless communication network and also sends response information in the case of receiving notification information sent from another device, a reception/interpretation processing unit which receives, from another device which has received the notification information of the wireless communication device, response information of such other device and also receives the notification information sent from such other device, and an operation mode determination unit which determines, based on operation mode determination information included in the notification information of such other device or the response information of such other device, that the wireless communication device is caused to operate as one of a master device and a slave device. | 10-28-2010 |
20110116415 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, PROGRAM AND WIRELESS COMMUNICATION METHOD - A first station for communicating with a second station is disclosed. The first station may include a storage unit configured to store relationship information defining a communication relationship between the first station and the second station. The first station may also include a communication unit configured to communicate with the second station and with an access point. The communication relationship may be maintained when the communication unit begins communicating with the access point. | 05-19-2011 |
20110116425 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION DEVICE, RADIO COMMUNICATION METHOD, AND PROGRAM - Provided is a radio communication system including a first radio communication device, and a second radio communication device that communicates with a radio communication device operating as a master unit and being connected, wherein the second radio communication device includes a communication unit that communicates with the radio communication device being connected, and a control unit that controls the communication unit to send a response packet to the first radio communication device when a response request packet broadcasted from the first radio communication device is received by the communication unit. | 05-19-2011 |
20110122835 | RADIO COMMUNICATION DEVICE, RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD, AND PROGRAM - There is provided a radio communication device including a reception unit which receives information indicating a connection state or a communication capability of another radio communication device which the radio communication device attempts to connect to, and a selection unit which selects, depending on the information received by the reception unit, which communication is to be performed from among first communication in which a direct connection to such other radio communication device is established and direct communication with such other radio communication device is performed, second communication in which a connection to such other radio communication device via a base station is established and direct communication with such other radio communication device is performed, and third communication in which a connection to such other radio communication device via the base station is established and indirect communication with such other radio communication device via the base station is performed. | 05-26-2011 |
20110128946 | RADIO COMMUNICATION DEVICE, RADIO COMMUNICATION SYSTEM, PROGRAM, AND RADIO COMMUNICATION METHOD - Provided is a radio communication device which includes a communication unit that communicates with a connected radio communication device operating as a master unit, and a control unit that, when a prescribed inquiry packet sent from another radio communication device is received by the communication unit, controls the communication unit to send a response packet containing service information indicating a service with which the radio communication device is compatible to said another radio communication device. | 06-02-2011 |
20110149816 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION METHOD, PROGRAM, AND WIRELESS COMMUNICATION SYSTEM - Provided is a wireless communication device including a communication unit that communicates with another wireless communication device, a role determination unit that determines a role of either acting as a group owner or a client based on information of said another wireless communication device received by the communication unit, and a communication control unit that controls communication for forming a wireless communication group with said another wireless communication device, as a device that plays the role determined by the role determination unit. | 06-23-2011 |
20110167106 | COMMUNICATION TERMINAL APPARATUS, PROGRAM, INFORMATION PROCESSING SYSTEM, AND METADATA PROVIDING SERVER - There is provided a communication terminal apparatus including a position information acquisition section which acquires position information indicating a current position, a velocity calculation section which calculates a moving velocity based on variations in amount and time of the position information acquired by the position information acquisition section, and a metadata acquisition section which determines a reference point to be a reference of an acquisition area of position metadata based on the position information and the moving velocity, determines an area size indicating a size of the acquisition area depending on the moving velocity, and acquires position metadata within an acquisition area specified based on the reference point and the area size from a metadata providing server that provides position metadata. | 07-07-2011 |
20110182207 | WIRELESS COMMUNICATION DEVICE, PROGRAM, WIRELESS COMMUNICATION METHOD, AND WIRELESS COMMUNICATION SYSTEM - Provided is a wireless communication device including a communication unit, a storage unit that stores information of one wireless communication device forming a same communication group as the wireless communication device, received by the communication unit, and a control unit that discloses the information of the one wireless communication device during an information disclosure period initiated based on user operation for connecting the one wireless communication device forming the communication group and another wireless communication device and does not disclose the information of the one wireless communication device during another period. | 07-28-2011 |
20110194489 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, PROGRAM, AND WIRELESS COMMUNICATION METHOD - Provided is a wireless communication device including a receiving unit that receives, from one or more than one first wireless communication devices, information indicating an order of each of the one or more than one first wireless communication devices in a queue for data communication with a second wireless communication device, an order management unit that manages an order of its own device in the queue based on the information received by the receiving unit from the one or more than one first wireless communication devices, and a transmitting unit that transmits information indicating the order of its own device in the queue managed by the order management unit. | 08-11-2011 |
20110246689 | Content transmission apparatus, content playback system, content transmission method, and program - There is provided a content transmission apparatus including a reception unit for performing a receiving process for receiving, from a content output apparatus, a transmission instruction that is based on an output order of pieces of content data, a transmission unit for starting transmission of content data to the content output apparatus in response to the transmission instruction, and a control unit for controlling a time interval for causing the reception unit to perform the receiving process, according to wait information indicating a status of wait until transmission of the content data to the content output apparatus is to be started. | 10-06-2011 |
20120115439 | RADIO TERMINAL APPARATUS, COMMUNICATION SYSTEM, AND METHOD OF CONTROLLING RADIO TERMINAL APPARATUS - A radio terminal apparatus includes a transmission control unit transmitting an acquisition request for acquiring contract authentication information via a radio channel when a predetermined operation of acquiring the contract authentication information associated with a radio service provider providing a radio connection service is received; a reception unit receiving the contract authentication information transmitted via the radio channel in response to the acquisition request; and a control unit controlling writing the received contract authentication information in a retaining unit. | 05-10-2012 |
20120115440 | WIRELESS TERMINAL DEVICE, COMMUNICATION SYSTEM, AND CONTROL METHOD OF WIRELESS TERMINAL DEVICE - A wireless terminal device includes: a transmission control unit which transmits a transfer request which is for requesting a use right of contract authentication information relating to a wireless business operator providing wireless connection services, which is information held by a second wireless terminal device as another wireless terminal device, via a wireless line when a predetermined operation is input; a receiving unit which receives transfer information which is transmitted via the wireless line in response to the transfer request for transferring the use right; and a control unit which sets valid contract authentication information based on the received transfer information. | 05-10-2012 |
20120117210 | INFORMATION PROCESSING DEVICE, WIRELESS TERMINAL DEVICE, INFORMATION PROCESSING SYSTEM, AND INFORMATION PROCESSING METHOD - An information processing device includes: a selection unit that selects a second wireless provider used when an application service is provided to a wireless terminal device on the basis of a connection request transmitted from the wireless terminal device storing contract authorization information of a first wireless provider constituting a plurality of wireless providers providing a wireless connection service through a wireless line, the connection request being based on a user operation for using the application service, from the plurality of wireless providers on the basis of the content of the application service and a position of the wireless terminal device; and a control unit that controls rewriting instruction information for rewriting contract authorization information stored in the wireless terminal device into contract authorization information of the second wireless provider to be transmitted to the wireless terminal device. | 05-10-2012 |
20120157040 | INFORMATION PROCESSING DEVICE, COMMUNICATION SYSTEM, AND BILLING METHOD FOR WIRELESS TERMINAL DEVICE - An information processing device includes: a detecting unit configure to detect, with regard to a plurality of wireless terminal devices sharing a usage right of subscription authentication information relating to a mobile network operator which provides wireless connection services, transfer of the usage right among the wireless terminal devices; and a calculating unit configured to, in the event that transfer of the usage right is detected, calculate fees relating to the subscription authentication information occurring after the transfer, based on billing information set for the wireless terminal device to which the usage right has been transferred. | 06-21-2012 |
20130170459 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD AND PROGRAM - Provided is a wireless communication device which includes a notification information transmitting unit for transmitting, via a wireless communication network, notification information of the wireless communication device, a notification information receiving unit for receiving notification information transmitted from another device, a frequency switching unit for successively switching, at random cycles, a frequency at which the notification information is transmitted or a frequency at which the notification information is received, and a transmission processing unit for performing a data transmission process after transmitting or receiving an acknowledgement to the notification information to/from such other device. | 07-04-2013 |
20130288750 | WIRELESS TERMINAL APPARATUS, INFORMATION PROCESSING APPARATUS, COMMUNICATION SYSTEM AND CONTROL METHOD OF WIRELESS TERMINAL APPARATUS - A wireless terminal apparatus including a receiving unit that receives setting information to share a right of network connection to connect to a predetermined network via a wireless line with one or a plurality of other wireless terminal apparatuses, and a control unit that sets the right of network connection based on the setting information. | 10-31-2013 |
20130294287 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, PROGRAM AND WIRELESS COMMUNICATION METHOD - A first station for communicating with a second station is disclosed. The first station may include a storage unit configured to store relationship information defining a communication relationship between the first station and the second station. The first station may also include a communication unit configured to communicate with the second station and with an access point. The communication relationship may be maintained when the communication unit begins communicating with the access point. | 11-07-2013 |
20140036725 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD AND PROGRAM - Provided is a wireless communication device which includes a notification information transmitting unit for transmitting, via a wireless communication network, notification information of the wireless communication device, a notification information receiving unit for receiving notification information transmitted from another device, a frequency switching unit for successively switching, at random cycles, a frequency at which the notification information is transmitted or a frequency at which the notification information is received, and a transmission processing unit for performing a data transmission process after transmitting or receiving an acknowledgement to the notification information to/from such other device. | 02-06-2014 |
20140038658 | WIRELESS COMMUNICATION APPARATUS, COMMUNICATION SYSTEM AND CONTROL METHOD OF WIRELESS COMMUNICATION APPARATUS - Provided is a wireless communication apparatus including a reception unit that receives group information to identify a group as an operation input for additional registration with the group including a plurality of wireless communication apparatuses sharing a network connection right to connect to a predetermined network via a wireless line, and a control unit that, when the group information is received, transmits an addition request that requests the additional registration with the group to a management system that manages the group via a wireless line on condition that an approval operation has been performed by one of the wireless communication apparatuses included in the group. | 02-06-2014 |
20140045466 | INFORMATION PROCESSING APPARATUS, NETWORK CONTROL APPARATUS, WIRELESS COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, AND INFORMATION PROCESSING METHOD - An information processing apparatus and method provide logic for processing information. In one implementation, an information processing apparatus may include a receiving unit configured to receive, from a first communications device, a request for information identifying at least one second communications device. In such implementations, the second communications device may be associated with the first communications device, and the first and second communications devices may share at least one connection right. The information processing apparatus may also include a control unit configured to obtain the information, based on the received request, and generate an instruction to transmit the information to the first communications device. | 02-13-2014 |
20140056283 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD AND PROGRAM - Provided is a wireless communication device which includes a notification information transmitting unit for transmitting, via a wireless communication network, notification information of the wireless communication device, a notification information receiving unit for receiving notification information transmitted from another device, a frequency switching unit for successively switching, at random cycles, a frequency at which the notification information is transmitted or a frequency at which the notification information is received, and a transmission processing unit for performing a data transmission process after transmitting or receiving an acknowledgement to the notification information to/from such other device. | 02-27-2014 |
20140248866 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND PROGRAM - There is provided a wireless communication device including a control-message creation/transmission-instruction unit which sends notification information via a wireless communication network and also sends response information in the case of receiving notification information sent from another device, a reception/interpretation processing unit which receives, from another device which has received the notification information of the wireless communication device, response information of such other device and also receives the notification information sent from such other device, and an operation mode determination unit which determines, based on operation mode determination information included in the notification information of such other device or the response information of such other device, that the wireless communication device is caused to operate as one of a master device and a slave device. | 09-04-2014 |