Patent application number | Description | Published |
20110026491 | ALLOCATION METHOD AND BASE STATION APPARATUS USING THE SAME - A base station apparatus and an allocation method are provided. The base station apparatus includes an allocation unit and a communication unit. The allocation unit allocates, in a frame, different channels for data between a base station apparatus and a terminal device and control information about the data, the frame formed with a plurality of time slots being time-multiplexed, each time slot formed with a plurality of channels being frequency-multiplexed. The communication unit performs communication with the terminal device by using the control information and the data, to which a channel is allocated. The allocation unit, while securing at least the control information, releases at least one data which is not secured, and instructs the terminal device to perform handover process by using a time slot, in which no data is allocated. | 02-03-2011 |
20110134789 | REPORT METHOD AND ACCESS CONTROL DEVICE - It is specified that a frame containing at least the plurality of slots is repeated. A detecting unit detects a slot usable in the communications between terminal apparatuses, from among a plurality of slots. A modem unit and an RF unit broadcast the information on the detected slot. A power measuring unit in the detecting unit measures the respective received powers of the plurality of slots, and an empty slot identifying unit identifies a slot whose received power is less than a threshold value. | 06-09-2011 |
20110170484 | RADIO APPARATUS WHICH COMMUNICATES WITH OTHER RADIO APPARATUSES AND COMMUNICATION SYSTEM - A data processing unit selects either one of a base station mode and a terminal mode so as to perform communications using packet signals. The base station mode is a mode in which a packet signal, containing data indicating that an initial source and a final destination are not its own radio apparatus, is to be communicated; the terminal mode is a mode in which a packet signal, containing data indicating that the initial source or the final destination is its own radio apparatus, is to be communicated. A control unit starts the radio apparatus by setting the data processing unit in the terminal mode. When a packet signal, which has been transmitted from another radio apparatus and which contains broadcast information, has not been received before a certain period of time elapses after the start, the control unit switches the mode of the data processing unit to the base station mode. | 07-14-2011 |
20110205971 | WIRELESS DEVICE - A data processing section ( | 08-25-2011 |
20110211455 | REPORT METHOD AND ACCESS CONTROL DEVICE AND RADIO DEVICE USING THE METHOD - A frame specifying unit frames in such a manner that a frame containing at least a plurality of slots is repeated and in such a manner that a part of the plurality of slots contained in each frame are reserved for use on an access control apparatus. An empty slot identifying unit detects a slot, which is usable for the communications between radio apparatuses, from among the remaining part of the plurality of slots. A selection unit selects a slot from among the part of the plurality of slots in order to broadcast information on the detected slot. A modulation unit and an RF unit broadcast information on the slot detected by the empty slot identifying unit, using the selected slot. | 09-01-2011 |
20110228866 | BROADCASTING METHOD FOR SENDING SIGNAL CONTAINING PREDETERMINED INFORMATION AND RADIO APPARATUS - A control information extraction unit receives information on a frame that contains at least a plurality slots from an access control apparatus for controlling communications between radio apparatuses. The control information extraction unit generates a frame that contains at least a plurality of slots in such a manner as to synchronize with the frame corresponding to the received information. An estimation unit ( | 09-22-2011 |
20110299487 | BROADCASTING METHOD AND RADIO APPARATUS - A processing unit sets the time interval before packet signals are broadcast, using a carrier sense multiple access (CSMA) scheme. A modem unit and an RF unit broadcasts the packet signals at the time intervals set by the processing unit. The RF unit and the modem unit receive a control signal broadcast from an access control apparatus at a predetermined frequency. The processing unit sets the time interval, during which the control signal is receivable, to a time length shorter than the time interval for the remaining cases. | 12-08-2011 |
20120028662 | BROADCASTING METHOD AND RADIO APPARATUS - An RF unit receives periodically signals broadcast by other terminal apparatuses. When the quality of the signal received periodically is more deteriorated than a second threshold value even though the intensity of the signal received periodically is larger than a first threshold value, an identifying unit detects a malfunction in another terminal apparatus from which the signal received periodically by the receiver has been broadcast. A processing unit, a modem unit, the RF unit and an antenna each broadcasts a signal containing the detection result that the malfunction has been detected and information on a detected location. | 02-02-2012 |
20130322368 | TERMINAL APPARATUS TRANSMITTING SIGNAL CONTAINING PREDETERMINED INFORMATION - An RF unit and a modem unit receive a packet signal, containing information regarding a frame construction, which is transmitted from a base station apparatus in a first period of a frame at least including first periods and second periods. An extraction unit identifies the second period in the frame, based on the received packet signal. A setting unit sets a waiting time period in the identified second period. A carrier sensing unit carries out carrier sensing over the waiting time period set by the setting unit. The modem unit and the RF unit broadcast the packet signal based on a result of the carrier sensing. | 12-05-2013 |
Patent application number | Description | Published |
20120230327 | TERMINAL APPARATUS FOR TRANSMITTING OR RECEIVING A SIGNAL INCLUDING PREDETERMINED INFORMATION - An RF unit broadcasts a packet signal, and receives a packet signal broadcasted from another terminal apparatus. A processing unit generates a packet signal to be broadcasted and processes a received packet signal. A mode setting unit selects a first mode or a second mode as a broadcast mode. The RF unit sets first transmission power in case of the first mode and sets second transmission power lower than the first transmission power in case of the second mode. The processing unit includes an identification number uniquely allocated to the present terminal apparatus in a packet signal in case of the first mode, and includes an identification number commonly allocated to a system of terminal-to-terminal communication in a packet signal in case of the second mode. | 09-13-2012 |
20120236745 | TERMINAL APPARATUS FOR TRANSMITTING OR RECEIVING A SIGNAL INCLUDING PREDETERMINED INFORMATION - A measuring unit measures a quality of a received packet signal. An estimating unit estimates entry from a second area to a first area when the measured quality is improved so as to satisfy a first condition and estimates the entry from the first area to the second area when the quality measured by the measuring unit is deteriorated so as to satisfy a second condition. The estimating unit sets different values for a parameter included in the first condition and the parameter included in the second condition. The determining unit determines a first period or a second period as transmission timing based on an estimated result. | 09-20-2012 |
20120236746 | BASE STATION APPARATUS AND TERMINAL APPARATUS FOR TRANSMITTING OR RECEIVING A SIGNAL INCLUDING PREDETERMINED INFORMATION - An acquiring unit receives a packet signal of a first type from the other base station apparatus. A measuring unit measures a receipt frequency of the packet signal of the first type which is received. A determining unit determines a timing for broadcasting a packet signal of a second type to inform a terminal apparatus of a presence based on the receipt frequency which is measured and a receipt timing of the packet signal of the first type which is received. A broadcasting unit broadcasts the packet signal of the second type in the determined timing. A communicating unit executes a communication with the terminal apparatus receiving the packet signal of the second type. | 09-20-2012 |
20120236841 | BASE STATION APPARATUS FOR TRANSMITTING OR RECEIVING A SIGNAL INCLUDING PREDETERMINED INFORMATION - A base station apparatus controls inter-terminal communication. Basic information containing information about a first period and extended information containing the information about a second period and a third period are defined and a generation unit generates a packet signal containing an identifier to identify whether the basic information of the basic information and the extended information is contained in the packet signal or the basic information and the extended information are contained in the packet signal. A modem unit and an RF unit broadcast the packet signal containing the identifier generated by the generation unit. | 09-20-2012 |
20120238222 | RADIO APPARATUS MOUNTED ON A VIECLE - A radio unit transmits a packet signal. An acquiring unit acquires information about a traveling status of a vehicle. When the acquired information indicates a stop of the vehicle, an instructing unit allows the radio unit to stop transmitting the packet signal. A position detecting unit detects, based on positional information of the vehicle, whether the vehicle is present in a predetermined area. If the position detecting unit detects presence, the instructing unit allows the radio unit to continue transmitting the packet signal even when the information acquired by the acquiring unit indicates the stop of the vehicle. | 09-20-2012 |
20120238296 | RADIO APPARATUS TRANSMITTING OR RECEIVING A SIGNAL INCLUDING PREDETERMINED INFORMATION - An extracting unit detects movement from a first area to a second area, the first area and the second area defined as areas having different priorities. When the extracting unit detects the movement, this changes a communication process defined in the first area to the communication process defined in the second area. A notifying unit notifies that the area changed when the movement is detected. Herein, the priority of the first area and the priority of the second area are defined according to importance of a signal, which should be broadcasted from a processing unit. | 09-20-2012 |
20120268295 | TERMINAL APPARATUS MOUNTED ON A VEHICLE TO PERFORM VEHICLE-TO-VEHICLE COMMUNICATION - A map data storage unit holds map data in which a road ID is allocated, as identification information, to every preset section of at least part of roads. A traffic jam determination unit determines whether the section corresponding to every road ID is congested. A transmission unit performs broadcast transmission of vehicle data including a road ID and the traveling speed of a vehicle from the vehicle traveling in each section of a road. At the time, the transmission unit forms a frame in which the received vehicle data of other vehicle and the vehicle data of a driver's vehicle are combined. An information compressing unit compresses an amount of data by deleting the traveling speed from the frame with respect to a section that has been determined not to be congested by the traffic jam determination unit. | 10-25-2012 |
20120269121 | BASE STATION APPARATUS FOR TRANSMITTING OR RECEIVING A SIGNAL INCLUDING PREDETERMINED INFORMATION - A setting unit defines the first frame and the second frame and selects use of the first frame or the second frame. A generation unit generates control information which is defined by the same format regardless of the selection by the setting unit and which includes at least information related to the base station broadcast period. The generation unit puts information related to the ratio between the priority period and the general period into the control information and reflects the selection by the setting unit to the ratio. The modem unit and the RF unit broadcast a packet signal including the control information in the base station broadcast period. | 10-25-2012 |
20120314615 | BASE STATION APPARATUS AND TERMINAL APPARATUS WHICH TRANSMIT OR RECEIVE A SIGNAL INCLUDING INFORMATION - A base station apparatus controls inter-terminal communication. A frame in which a first period in which the base station apparatus may broadcast a signal, a second period in which the terminal apparatus may broadcast the signal, and a third period in which one-to-one transmission of the signal between the base station apparatus and the terminal apparatus may be performed are time-division multiplexed is defined. A processing unit generates information about a configuration of the frame. A modem unit and an RF unit broadcast the signal in which the generated information is included in the first period. The RF unit, the modem unit, and the processing unit receive the signal broadcasted from the terminal apparatus in the second period. The RF unit, the modem unit, and the processing unit perform one-to-one communication with the terminal apparatus in the third period. | 12-13-2012 |
20130195272 | BASE STATION APPARATUS FOR TRANSMITTING OR RECEIVING A SIGNAL CONTAINING PREDETERMINED INFORMATION - A storage unit stores a symmetric key table that indicates a plurality of kinds of symmetric keys usable for the communications between terminal apparatuses. A MAC frame processing unit receives a packet broadcast from the terminal apparatus. A verification unit verifies the version of the symmetric key table containing a symmetric key by which to generate a digital signature appended to the received packet. A detector detects that the version of the symmetric key table verified is older than the version of the symmetric key table stored in the storage unit. When the number of detections is a predetermined number or above in a unit time, the MAC frame processing unit generate a packet that stores the symmetric key table stored in the storage unit. The MAC frame processing unit broadcasts the packet generated. | 08-01-2013 |
20140106786 | RADIO APPARATUS TRANSMITTING OR RECEIVING A SIGNAL INCLUDING PREDETERMINED INFORMATION - An extracting unit detects movement from a first area to a second area, the first area and the second area defined as areas having different priorities. When the extracting unit detects the movement, this changes a communication process defined in the first area to the communication process defined in the second area. A notifying unit notifies that the area changed when the movement is detected. Herein, the priority of the first area and the priority of the second area are defined according to importance of a signal, which should be broadcasted from a processing unit. | 04-17-2014 |
20140185514 | BROADCASTING METHOD AND RADIO APPARATUS - A processing unit sets the time interval before packet signals are broadcast, using a carrier sense multiple access (CSMA) scheme. A modem unit and an RF unit broadcasts the packet signals at the time intervals set by the processing unit. The RF unit and the modem unit receive a control signal broadcast from an access control apparatus at a predetermined frequency. The processing unit sets the time interval, during which the control signal is receivable, to a time length shorter than the time interval for the remaining cases. | 07-03-2014 |
20150030009 | BROADCASTING METHOD FOR SENDING SIGNAL CONTAINING PREDETERMINED INFORMATION AND RADIO APPARATUS - A control information extraction unit receives information on a frame that contains at least a plurality slots from an access control apparatus for controlling communications between radio apparatuses. The control information extraction unit generates a frame that contains at least a plurality of slots in such a manner as to synchronize with the frame corresponding to the received information. An estimation unit estimates empty slots in the plurality of slots generated. A selection unit selects, at random, at least one of the estimated. A modem unit and the like broadcast data using the selected slot. | 01-29-2015 |
Patent application number | Description | Published |
20140097007 | WIRING SUBSTRATE AND METHOD FOR PRODUCING THE SAME - Embodiments of the present wiring substrate include a stacked body including one or more insulation layers and one or more conductive layers, wherein the wiring substrate has a plurality of connection terminals formed on the stacked body, each connection terminal has a top surface whose area is smaller than that of each of opposite side surfaces thereof, and a filling member provided in a filling manner between the connection terminals. The top surface of each connection terminal has an area larger than that of a portion of each side surfaces portion exposed from the filling member, and a bonding layer containing a solder is formed on the top surface. | 04-10-2014 |
20140301054 | WIRING BOARD FOR HAVING LIGHT EMITTING ELEMENT MOUNTED THEREON - To provide a light emitting element mounting wiring substrate having a light emitting element mounting section on a substrate main body having a front surface and a back surface, and a confined component electrically connected to the light emitting element, such that the confine component does not obstruct the optical path of the light emitted from the light emitting element, resulting in uniform distribution of light intensity. The light emitting element mounting wiring substrate ( | 10-09-2014 |
20140318846 | WIRING SUBSTRATE AND METHOD FOR PRODUCING WIRING SUBSTRATE - A wiring substrate includes a layered structure including one or more insulating layers and one or more conductor layers; a plurality of connection terminals formed on the layered structure; a first resin layer formed on the layered structure and having (defining) a plurality of first openings through which the connection terminals are respectively exposed; and a second resin layer formed on the first resin layer and having (defining) a plurality of second openings through which the connection terminals are respectively exposed and which are smaller in opening diameter than the first openings, wherein the second resin layer has, around each of the second openings, an inclined surface which is formed such that the distance between the inclined surface and the layered structure decreases toward the second opening. | 10-30-2014 |