Patent application number | Description | Published |
20090316631 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - To prevent a collision from occurring at the time of random access in cases such as handover, response to paging and the like where a mobile station apparatus performs random access in response to directions from a base station apparatus. In a mobile communication system in which a mobile station apparatus | 12-24-2009 |
20090316641 | BASE STATION DEVICE, MOBILE STATION DEVICE, PROGRAM, UPLINK SYNCHRONIZATION REQUESTING METHOD, AND SYNCHRONIZATION-SHIFT MEASUREMENT SIGNAL TRANSMITTING METHOD - A base station device includes: a re-synchronization factor detector that detects an uplink re-synchronization factor of a mobile station device; a data controller that generates, when the re-synchronization factor detector detects the uplink re-synchronization factor, data in which information indicative of an uplink synchronization request addressed to the mobile station device is set to a region on a radio frame to which parameters to be used for synchronous communication with the mobile station device are to be set; and a transmitter that transmits data generated by the data controller. | 12-24-2009 |
20090316642 | BASE STATION DEVICE, MOBILE STATION DEVICE, PROGRAM, UPLINK SYNCHRONIZATION REQUESTING METHOD, AND SYNCHRONIZATION-SHIFT MEASUREMENT SIGNAL TRANSMITTING METHOD - A base station device includes: a re-synchronization factor detector that detects an uplink re-synchronization factor of a mobile station device; a data controller that generates, when the re-synchronization factor detector detects the uplink re-synchronization factor, data in which information indicative of an uplink synchronization request addressed to the mobile station device is set to a region on a radio frame to which parameters to be used for synchronous communication with the mobile station device are to be set; and a transmitter that transmits data generated by the data controller. | 12-24-2009 |
20100016005 | COMMUNICATION TERMINAL APPARATUS, COMMUNICATION CONTROL APPARATUS, WIRELESS COMMUNICATION SYSTEMS, AND RESOURCE ALLOCATION REQUEST METHOD - A communication terminal apparatus requests resource allocation to a communication control apparatus without allocating any dedicated resource for resource request. The communication terminal apparatus is applied to a wireless communication system in which the communication control apparatus allocates resources used when a communication terminal apparatus | 01-21-2010 |
20100075689 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND MOBILE STATION APPARATUS - To improve throughput of the whole system while reducing power consumption. In a mobile communication system comprising a mobile station apparatus and a base station apparatus, the base station apparatus creates an interference information table based on channel quality of an uplink channel, and at the same time, transmitting the interference information indicator table to the mobile station apparatus, and the mobile station apparatus determines a state of interference in an uplink frequency band based on the interference information indicator table, determines a frequency band of a measurement pilot channel, which is a pilot channel used to determine received quality, and make a request to the base station apparatus for a transmission resource. For example, the mobile station apparatus determines a frequency band with lowest interference among the uplink frequency bands as a frequency band of the measurement pilot channel. | 03-25-2010 |
20100080181 | BASE STATION DEVICE, MOBILE STATION DEVICE, PROGRAM, UPLINK SYNCHRONIZATION REQUESTING METHOD, AND SYNCHRONIZATION-SHIFT MEASUREMENT SIGNAL TRANSMITTING METHOD - A base station device includes: a re-synchronization factor detector that detects an uplink re-synchronization factor of a mobile station device; a data controller that generates, when the re-synchronization factor detector detects the uplink re-synchronization factor, data in which information indicative of an uplink synchronization request addressed to the mobile station device is set to a region on a radio frame to which parameters to be used for synchronous communication with the mobile station device are to be set; and a transmitter that transmits data generated by the data controller. | 04-01-2010 |
20110136528 | COMMUNICATION TERMINAL APPARATUS, COMMUNICATION CONTROL APPARATUS, WIRELESS COMMUNICATION SYSTEM, AND RESOURCE ALLOCATION REQUEST METHOD - A communication terminal apparatus requests resource allocation to a communication control apparatus without allocating any dedicated resource for resource request. The communication terminal apparatus is applied to a wireless communication system in which the communication control apparatus allocates resources used when a communication terminal apparatus | 06-09-2011 |
20110194432 | COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - A base station apparatus detects an uplink radio error and recovers the uplink. In a communication system comprised of a base station apparatus and a mobile station apparatus, when the base station apparatus instructs the mobile station apparatus to execute contention based random access, the base station apparatus and the mobile station apparatus release uplink synchronization, while when the base station apparatus instructs the mobile station apparatus to execute non-contention based random access, the base station apparatus and the mobile station apparatus maintain uplink synchronization. | 08-11-2011 |
20120170532 | MOBILE STATION APPARATUS, BASE STATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD - Provided are a mobile station apparatus, a wireless communication system, and a wireless communication method that can improve reliability of handover while efficiently and early completing the handover. A mobile station apparatus | 07-05-2012 |
20120172048 | WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, AND RANDOM ACCESS METHOD - A random access instructed by a base station apparatus and having a small delay is enabled in Advanced-EUTRA system. Upon detection of control data in any one of a plurality of component carriers, component carrier information, a preamble number, and random access channel information are extracted from the control data, and if the extracted information indicates dedicated preamble transmission, a random access channel position to be used is selected from information on random access of a component carrier specified in the component carrier information and the random access channel information, a random access preamble is generated from the information on random access and the dedicated preamble number, and the random access preamble is transmitted at the random access channel position. | 07-05-2012 |
20120188958 | WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, AND WIRELESS COMMUNICATION METHOD - A mobile station apparatus determines an uplink carrier component to which a physical downlink control channel instructing to start random access procedure corresponds. A wireless communication system includes a base station apparatus and a mobile station apparatus that communicate with each other using a plurality of component carriers. The base station apparatus includes a random access controller that preliminarily allocates random access resources corresponding to a specific downlink component. A transmission processor transmits control information instructing to start the random access procedure. The mobile station apparatus includes a random access processor that, upon receipt of the control information instructing to start the random access procedure, starts the random access procedure by means of the random access resource corresponding to a specific downlink component carrier preliminarily allocated by the base station apparatus. | 07-26-2012 |
20120188961 | MOBILE STATION APPARATUS, RADIO COMMUNICATION METHOD, AND CONTROL PROGRAM FOR MOBILE STATION APPARATUS - A plurality of uplink and downlink component carriers are allocated from a base station apparatus, a common search space of a specific downlink component carrier of the allocated downlink component carriers is monitored, and random access processing is started in any one of the uplink component carriers. A mobile station apparatus applied to a communication system allocates to any mobile station apparatus the plurality of downlink component carriers including the common search space to be monitored together with any other mobile station apparatus. In performing random access to said base station apparatus, the mobile station apparatus extends a monitored object of a physical downlink control channel from a first common search space of the downlink component carrier to a second common search space of any downlink component carrier other than the downlink component carrier including the first common search space. | 07-26-2012 |
20120294269 | PROCESSING METHOD AND MOBILE STATION DEVICE - A communication system, a mobile station device, a base station device, and a processing method for carrying out processing involved in introducing a contention based uplink efficiently, and carrying out communication promptly, are provided. A mobile station device communicating with a base station device in a mobile communication system includes a buffer for a contention based uplink and a buffer for a regular uplink HARQ, as a buffer for a HARQ. | 11-22-2012 |
20120294270 | PROCESSING METHOD AND MOBILE STATION DEVICE - A communication system, a mobile station device, a base station device, and a processing method for carrying out processing involved in introducing a contention based uplink efficiently, and carrying out communication promptly are provided. A mobile station device communicating with a base station device in a mobile communication system obtains an uplink grant from the base station device, and when a timer for prohibiting transmission of a scheduling request is not running, uses a contention based uplink when the uplink grant is a grant for a contention based uplink, and when the timer for prohibiting transmission of a scheduling request is running, does not use the contention based uplink when the uplink grant is a grant for a contention based uplink. | 11-22-2012 |
20120300701 | COMMUNICATION SYSTEM, MOBILE STATION APPARATUS, RADIO LINK STATE MANAGEMENT METHOD, AND INTEGRATED CIRCUIT - A base station apparatus performing communication through the use of a plurality of frequency bands and a mobile station apparatus wirelessly-connected to the base station apparatus, efficiently manage a radio link state of the frequency band in consideration of a cooperation relation between the plurality of frequency bands. The base station apparatus and the mobile station apparatus communicate with each other by aggregating a plurality of cells of different frequencies, the base station apparatus, in a case of configuring a plurality of cells of different frequencies to the mobile station apparatus, configures linkage information indicating a cooperation relation between an uplink and a downlink for each of the cells, and a timer for managing a state of the cells, and the mobile station apparatus simultaneously changes states of the uplink and the downlink of the cell upon timer being expiration, based on the linkage information for each the cell. | 11-29-2012 |
20120307767 | PROCESSING METHOD AND MOBILE STATION DEVICE - A communication system, a mobile station device, a base station device, and a processing method for carrying out processing involved in introducing a contention based uplink efficiently, and carrying out communication promptly are provided. A mobile station device communicating with a base station device in a mobile communication system obtains an uplink grant from the base station device, and when the uplink grant is a normal grant, cancels a pending scheduling request, and when the uplink grant is a grant for a contention based uplink, not canceling the pending scheduling request. | 12-06-2012 |
20130010722 | MOBILE STATION DEVICE, RADIO COMMUNICATION METHOD AND CIRCUIT DEVICE - A mobile station device communicates with a base station device. The mobile station device—includes a reception unit receiving downlink data and a downlink control channel including information indicating a radio resource for contention based signal transmission, and a transmission unit-transmitting at least one of ACK/NACK for the downlink data and a contention based signal when the ACK/NACK and the contention based signal collide with each other in the same uplink time frame. | 01-10-2013 |
20130102320 | RADIO COMMUNICATION SYSTEM, BASE STATION DEVICE, MOBILE STATION DEVICE, RADIO COMMUNICATION METHOD, AND CIRCUIT DEVICE - Contention based uplink transmission is efficiently performed. A scheduling unit selects, when uplink grant includes C-RNTI allocated to its device, the whole of radio resources indicated by this uplink grant. When uplink grant includes CB-RNTI, the scheduling unit randomly selects one radio resource from multiple radio resources indicated by this uplink grant. The scheduling unit generates control information for controlling a transmission unit so that PUSCH is multiplexed on the selected radio resource, and outputs it to a control unit. When blind decoding of multiple uplink grants including CB-RNTI has successfully been performed, the scheduling unit randomly selects one radio resource from the whole of multiple radio resources indicated by multiple uplink grants. The scheduling unit generates control information for controlling the transmission unit so that PUSCH is multiplexed on the selected radio resource, and outputs it to the control unit. | 04-25-2013 |
20130136073 | WIRELESS COMMUNICATION SYSTEM, MOBILE STATION APPARATUS, BASE STATION APPARATUS, RANDOME ACCESS METHOD, AND ITEGRATED CIRCUIT - The present invention enables random access which does not cause a load on a mobile station apparatus in an Advanced-EUTRA system. A wireless communication system in which a base station apparatus allocates a plurality of component carriers to a mobile station apparatus, and the base station apparatus and the mobile station apparatus perform communication via the component carriers, wherein the base station apparatus notifies the mobile station apparatus of allocation information of component carriers, setting information of a component carrier including information on random access, and setting information of a component carrier not including the information on random access; and the mobile station apparatus receives the allocation information and the setting information, and executes a random access procedure only in the component carrier in which the information on random access is included in the setting information of the component carrier, among the plurality of component carriers allocated from the base station apparatus. | 05-30-2013 |
20130215848 | BASE STATION APPARATUS, MOBILE STATION APPARATUS, MOBILE COMMUNICATION SYSTEM, COMMUNICATION METHOD, CONTROL PROGRAM, AND INTEGRATED CIRCUIT - In a case where a transmission timing in a mobile station apparatus varies among individual cells, efficient random access can be performed. A base station apparatus which is applied to a mobile communication system in which random access from a mobile station apparatus to a base station apparatus is executed allocates a plurality of cells to the mobile station apparatus, groups the cells into groups in each of which cells have an identical transmission timing in the mobile station apparatus, notifies the mobile station apparatus of transmission timings determined for the individual groups, permits the mobile station apparatus to execute random access using any one of the cells included in the groups, and notifies the mobile station apparatus of random access execution information about the cell for which random access is permitted. | 08-22-2013 |
20130279486 | MOBILE STATION APPARATUS, BASE STATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, CONTROL METHOD, AND INTEGRATED CIRCUIT - In a mobile station that performs communication with a base station device via a plurality of cells, the plurality of cells are grouped into a first group constituted by cells having an uplink transmission timing that is the same as that of one primary cell and a second group constituted by one or more cells having an uplink transmission timing that is different from that of the primary cell. The uplink transmission timings are each managed using a corresponding transmission timing timer for each of the groups. In a case where a transmission timing timer for the first group has expired, the mobile station stops all uplink transmissions in the plurality of cells. In a case where a transmission timing timer for the second group has expired, the mobile station stops uplink transmissions in the cells constituting the second group for which the transmission timing timer has expired. | 10-24-2013 |
20130343358 | WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - A plurality of cells include one primary cell and one or more secondary cells. The primary cell and the secondary cells are grouped into a first transmission timing group that includes a secondary cell having an uplink transmission timing that is the same as an uplink transmission timing of the primary cell, and a second transmission timing group that includes secondary cells having an identical uplink transmission timing that is different from the uplink transmission timing of the primary cell. Upon receipt of a transmission timing message which contains transmission timing information and transmission timing group information regarding a transmission timing group to which the transmission timing information is to be applied, the mobile station apparatus applies the transmission timing information to a cell of a transmission timing group that is based on the transmission timing group information. | 12-26-2013 |
20140029595 | COMMUNICATION SYSTEM, MOBILE STATION DEVICE, BASE STATION DEVICE, RANDOM ACCESS PROCESSING METHOD, AND INTEGRATED CIRCUIT - A base station device uses a downlink control channel and instructs a mobile station device to perform a random access procedure. The mobile station device switches, according to whether or not random access parameters are included in parameters of a secondary cell that has been allocated to the mobile station device, between a first random access procedure in which information in a carrier indicator field included in the downlink control channel is not used for selection of a cell in which a random access procedure is performed, and a second random access procedure in which information in the carrier indicator field included in the downlink control channel is used for selection of a cell in which a random access procedure is performed. | 01-30-2014 |
20140126516 | WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - A mobile station apparatus performs an efficient random access procedure. A base station apparatus includes all parameters of random access information in setting information regarding at least one of a plurality of cells and part of the parameters of the random access information in setting information regarding at least one of the plurality of cells and transmits the setting information to the mobile station apparatus. The mobile station apparatus executes the random access procedure for the cells for which the random access information is included in the transmitted setting information. | 05-08-2014 |
20140140318 | MOBILE STATION APPARATUS, BASE STATION APPARATUS, COMMUNICATION SYSTEM, MOBILE STATION APPARATUS CAPABILITY NOTIFICATION METHOD, AND INTEGRATED CIRCUIT - An object of the invention is to provide a mobile station apparatus, a base station apparatus, a communication system, a mobile station apparatus capability notification method, and an integrated circuit, which enable uplink transmission timing support information of the mobile station apparatus to be effectively notified to the base station apparatus. The mobile station apparatus that is connected to the base station apparatus by aggregating a plurality of cells of which frequencies are different from each other transmits capability information in which information related to an uplink transmission timing supported by the mobile station apparatus is associated with the plurality of frequencies supported by the mobile station apparatus, to the base station apparatus. | 05-22-2014 |
20140153536 | COMMUNICATION SYSTEM, TERMINAL, BASE STATION, AND COMMUNICATION METHOD - There are provided a base station, a terminal, a communication system, and a communication method in a wireless communication system in which a base station and a terminal | 06-05-2014 |
20140169209 | COMMUNICATION SYSTEM, TERMINAL, AND BASE STATION - There are provided a base station, a terminal, and a communication system in a wireless communication system in which a base station and a terminal communicate with each other, in which the base station and the terminal can efficiently perform communication. The base station includes a higher layer processing unit | 06-19-2014 |
20140169321 | COMMUNICATION SYSTEM, TERMINAL, AND BASE STATION - There are provided a base station, a terminal, and a communication system in a wireless communication system in which a base station and a terminal communicate with each other, in which the base station and the terminal can efficiently perform communication. The terminal includes a higher layer processing unit | 06-19-2014 |
20140169322 | TERMINAL, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - There are provided a base station, a terminal, a communication system, and a communication method in a communication system in which a base station | 06-19-2014 |
20140177531 | COMMUNICATION SYSTEM, TERMINAL, AND BASE STATION - There are provided a base station, a terminal, and a communication system in a wireless communication system in which a base station and a terminal communicate with each other, in which the base station and the terminal can efficiently perform communication. The communication system includes a higher layer processing unit | 06-26-2014 |
20140177584 | TERMINAL, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - A base station, a terminal, a communication system and a communication method are provided. The communication system comprises a base station | 06-26-2014 |
20140194126 | MOBILE STATION, BASE STATION, AND METHOD FOR MANAGING SYNCHRONIZATION STATE - A synchronization state is efficiently managed in a mobile station to which cells are allocated. A base station notifies the mobile station of information about whether or not a transmission timing before a handover for each of cell groups of the mobile station is to be applied after the handover. The mobile station sets whether or not the transmission timing adjusted for each cell group is to be applied after the handover, on the basis of the received information. | 07-10-2014 |
20140221038 | MOBILE STATION DEVICE, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - In a system including at least one base station device, the base station device efficiently controls uplink signals. A mobile station device includes a path loss calculation unit | 08-07-2014 |
20140241301 | MOBILE STATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - In a communication system including multiple mobile station apparatuses and at least one base station apparatus, the base station apparatus efficiently controls transmission of an uplink signal to the mobile station apparatuses. A path loss calculator calculates path loss on the basis of a reference signal received by a reception processing unit. A transmit power setter sets desired transmit power of an uplink signal using the path loss calculated by the path loss calculator. Additionally, a power head room controller generates power head room that is information concerning a margin of the transmit power using the desired transmit power set in the transmit power setter to control transmission of the power head room. The power head room controller determines to transmit the power head room upon switching of a kind of the reference signal used in the calculation in the path loss calculator. | 08-28-2014 |
20140247796 | TERMINAL APPARATUS, COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND COMMUNICATION METHOD - In a communication system in which a base station apparatus and a terminal apparatus communicate with each other, a base station apparatus, a terminal apparatus, and a communication system with which the base station apparatus and the terminal apparatus can efficiently communicate with each other are provided. The terminal apparatus that communicates with the base station apparatus includes a radio resource control section | 09-04-2014 |
20140348143 | WIRELESS COMMUNICATION SYSTEM, MOBILE STATION APPARATUS, BASE STATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - A base station apparatus assigns a plurality of cells to a mobile station apparatus, and the base station apparatus and the mobile station apparatus communicate with each other via the plurality of cells. The plurality of cells are grouped into a plurality of groups, each group being made up of at least one cell having an identical transmission timing in the mobile station apparatus. In a case where a cell that has been deleted from one of the plurality of groups is added to another one of the plurality of groups in accordance with an instruction from the base station apparatus, the mobile station apparatus sets the added cell to be in a deactivated state. | 11-27-2014 |
20150036574 | TERMINAL APPARATUS, BASE STATION APPARATUS, COMMUNICATION SYSTEM, CONTROL METHOD, AND INTEGRATED CIRCUIT - The present invention provides techniques related to a terminal apparatus, base station apparatus, communication system, control method, and integrated circuit for performing efficient transmission and reception control between a mobile station apparatus and a base station apparatus to thereby reduce power consumption and improve radio resource utilization. The terminal apparatus sends capability information indicating whether notification of a state relating to power consumption of the terminal apparatus is possible or not to the base station apparatus, and upon receiving a parameter indicating start of determination on the state relating to the power consumption of the terminal apparatus from the base station apparatus, determines the state relating to power consumption based on the current communication state configurations of the terminal apparatus and sends state information representing the result of the determination on the state relating to power consumption to the base station apparatus. | 02-05-2015 |
20150050938 | TERMINAL APPARATUS, BASE STATION APPARATUS, COMMUNICATION SYSTEM, RADIO RESOURCE REQUESTING METHOD AND INTEGRATED CIRCUIT - Provided are a terminal apparatus, a base station apparatus, a communication system, a radio resource requesting method, and an integrated circuit that can improve efficiency of radio resource use by efficiently performing a radio resource request control between a mobile station apparatus and the base station apparatus. The base station apparatus configures a transmission parameter of a control channel used in the radio resource request and a parameter for determining a transmission state of the control channel used in the radio resource request in the terminal apparatus. The terminal apparatus transmits a message related to a permission to change the transmission parameter of the control channel used in the radio resource request to the base station apparatus on the basis of the transmission state of the control channel used in the radio resource request. | 02-19-2015 |
Patent application number | Description | Published |
20090168923 | MULTICARRIER-SIGNAL RECEIVING APPARATUS AND MULTICARRIER-SIGNAL TRANSMITTING APPARATUS - A multicarrier-signal receiving apparatus includes: a Fourier-transformer that performs a Fourier transform, on reception signals to extract subcarriers; a channel estimator that performs channel estimation on one of the extracted subcarriers using channel estimation symbols included in a subcarrier group to which the one of the extracted subcarriers belongs, the subcarrier group including subcarriers to which an identical phase rotation is added upon transmission; and a channel compensator that performs channel compensation on data symbols included in the one of the extracted subcarriers using a result of the channel estimation performed by the channel estimator on the one of the extracted subcarriers. | 07-02-2009 |
20090316645 | METHOD FOR CONNECTING MOBILE STATION TO BASE STATION, MOBILE STATION, BASE STATION, MULTI-CARRIER MOBILE COMMUNICATION SYSTEM, AND RANDOM ACCESS CHANNEL MAPPING METHOD - As a random access channel (RACH), two types of RACHs, a synchronous RACH and an asynchronous RACH are prepared, condition of a mobile station is classified depending on whether there is temporal synchronization in the mobile station and whether a resource is allocated, and depending on each case, any one of the synchronous RACH/the asynchronous RACH/uplink shared control channel (USCCH) is adaptively selected to carry out connection processing. | 12-24-2009 |
20110263266 | METHOD FOR CONNECTING MOBILE STATION TO BASE STATION, MOBILE STATION, BASE STATION, MULTI-CARRIER MOBILE COMMUNICATION SYSTEM, AND RANDOM ACCESS CHANNEL MAPPING METHOD - In a mobile station, correction information is obtained from a base station for correcting a transmission timing shift in an uplink line of the mobile station, and the transmission timing shift is corrected in accordance with the correction information. Within a period in which the correction information is valid, the mobile station requests communication resource allocation information from the base station, using a random access channel having guard time. In an alternate embodiment, if a communication resource for transmitting a control channel in the uplink line is assigned to the mobile station within a period during which the correction information is valid, the mobile station instead requests the communication resource allocation information from the base station using the control channel in an uplink line from the mobile station to the base station. | 10-27-2011 |
20120314805 | WIRELESS TRANSMITTING APPARATUS, WIRELESS RECEIVING APPARATUS, WIRELESS COMMUNICATION SYSTEM, WIRELESS TRANSMITTING METHOD AND WIRELESS RECEIVING METHOD - To enable shared control information to be demodulated without requiring advance information on a MIMO block or non-MIMO block prior to demodulation of the shared control information of the block, and further enable the shared control information to be demodulated early. A wireless transmitting apparatus which performs wireless transmission in MIMO or non-MIMO for each radio frame comprised of a block or a plurality of blocks, and has mapping sections ( | 12-13-2012 |
20130142279 | MULTICARRIER-SIGNAL RECEIVING APPARATUS AND MULTICARRIER-SIGNAL TRANSMITTING APPARATUS - A multicarrier-signal transmitting apparatus comprising a rotation-amount setting unit configured to set a phase rotation amount for each subcarrier of a plurality of subcarrier groups, the phase rotation amount being set with a setting selected from a first setting and a second setting, the first setting being such that the phase rotation amount is identical for a plurality of subcarriers within each subcarrier group, and the second setting being such that the phase rotation amount is identical for a plurality of subcarriers within a plurality of subcarrier groups; and a phase rotator configured to add a phase rotation to a data signal of said each subcarrier of said plurality of subcarrier groups based on the phase rotation amount. | 06-06-2013 |
20130308720 | MULTICARRIER-SIGNAL RECEIVING APPARATUS AND MULTICARRIER-SIGNAL TRANSMITTING APPARATUS - A multicarrier-signal transmitting apparatus comprising a rotation-amount setting unit configured to set a phase rotation amount for each subcarrier of a plurality of subcarrier groups, the phase rotation amount being set with a setting selected from a first setting and a second setting, the first setting being such that the phase rotation amount is identical for a plurality of subcarriers within each subcarrier group, and the second setting being such that the phase rotation amount is identical for a plurality of subcarriers within a plurality of subcarrier groups; and a phase rotator configured to add a phase rotation to a data signal of said each subcarrier of said plurality of subcarrier groups based on the phase rotation amount. | 11-21-2013 |
20130315158 | METHOD FOR CONNECTING MOBILE STATION TO BASE STATION, MOBILE STATION, BASE STATION, MULTI-CARRIER MOBILE COMMUNICATION SYSTEM, AND RANDOM ACCESS CHANNEL MAPPING METHOD - In a mobile station, correction information is obtained from a base station for correcting a transmission timing shift in an uplink line of the mobile station, and the transmission timing shift is corrected in accordance with the correction information. Within a period in which the correction information is valid, the mobile station requests communication resource allocation information from the base station, using a random access channel having guard time. In an alternate embodiment, if a communication resource for transmitting a control channel in the uplink line is assigned to the mobile station within a period during which the correction information is valid, the mobile station instead requests the communication resource allocation information from the base station using the control channel in an uplink line from the mobile station to the base station. | 11-28-2013 |
20140219390 | MULTICARRIER-SIGNAL RECEIVING APPARATUS AND MULTICARRIER-SIGNAL TRANSMITTING APPARATUS - A multicarrier signal transmitting apparatus includes a rotation amount setting unit and a phase rotator. The rotation amount setting unit sets a phase rotation amount for each subcarrier of a plurality of subcarrier groups, where the phase rotation amount being set with a setting selected from a first setting being that the phase rotation amount is set for a first subcarrier group set which includes a plurality of continuous subcarrier groups and a second setting being that the phase rotation amount is set for a second subcarrier group set which includes a plurality of continuous subcarrier groups, where the number of the continuous subcarrier groups included in the first subcarrier group set is different from the number of the continuous subcarrier groups included in the second subcarrier group set. The phase rotator adds, based on the phase rotation amount, a phase rotation to reference signals and a data signal of each subcarrier of the plurality of subcarrier groups. | 08-07-2014 |
Patent application number | Description | Published |
20130277163 | VEHICLE POWER TRANSMISSION DEVICE - Providing a vehicle power transmission device including a hydraulic power transmission device and enabling a shorter entire axial length. | 10-24-2013 |
20130284554 | VEHICLE POWER TRANSMISSION DEVICE - It is provided a vehicle power transmission device having a hydraulic power transmission device and a power transmission mechanism in a power transmission path between an engine and drive wheels, the hydraulic power transmission device including an input-side rotating member disposed with a plurality of pump blades and an output-side rotating member disposed with a plurality of turbine blades receiving a fluid flow from the pump blades, the power transmission mechanism transmitting power input to an input shaft from the hydraulic power transmission device to a subsequent stage, the output-side rotating member being coupled by relatively non-rotatable fitting to the input shaft on the power transmission mechanism side relative to the pump blades and the turbine blades in an axial center direction of the hydraulic power transmission device, the hydraulic power transmission device being a torque converter having a stator coupled via a one way clutch to a tubular stator shaft concentric with the input shaft and having a diameter larger than the input shaft, a tubular coupling shaft having a diameter larger than the input shaft being disposed to project from an inner circumferential edge portion of an inner race of the one way clutch in the axial center direction, and the stator shaft being coupled by relatively non-rotatable fitting to the tubular coupling shaft of the inner race at a position partially or entirely overlapping with a coupling portion of the output-side rotating member to the input shaft when viewed in the direction orthogonal to the axial center. | 10-31-2013 |
20130288853 | CONTROL DEVICE OF HYBRID VEHICLE (AS AMENDED) - It is provided a control device of a hybrid vehicle having a clutch in a power transmission path between an engine and a motor generator, the clutch controlling power transmission through the power transmission path depending on an engagement state, the hybrid vehicle interrupting the power transmission through the power transmission path by releasing the clutch during EV running while only the motor generator is used as a drive source for running, during the EV running while a release instruction for the clutch is output, if the engine being driven, a rotation speed of the engine is maintained within a predetermined rotation speed difference from a rotation speed of the motor generator. | 10-31-2013 |
20130306423 | VEHICLE POWER TRANSMISSION DEVICE - It is provided a vehicle power transmission device having a torque converter and a power transmission mechanism in a power transmission path between an engine and drive wheels, the torque converter including an input-side rotating member disposed with a plurality of pump blades, an output-side rotating member disposed with a plurality of turbine blades receiving a fluid flow from the pump blades, and a stator disposed with a stator blade disposed between the pump blades and the turbine blades, the power transmission mechanism transmitting power input to an input shaft from the torque converter to a subsequent stage, within a circulation flow passage allowing circulation of fluid in the torque converter, a circulation outward passage allowing the fluid to flow toward the inside of the torque converter at the time of the circulation being made up of a gap between the input shaft of the power transmission mechanism and a tubular stator shaft coupled via a one way clutch to the stator, and the stator shaft being concentric with the input shaft and has a diameter larger than the input shaft, the torque converter including a lockup clutch selectively coupling the input-side rotating member to the output-side rotating member, the lockup clutch having a release-side chamber consisting of a portion of the circulation outward passage and having an inner pressure increased by supply of the fluid when the lockup clutch is released, the lockup clutch being disposed on a side opposite to the stator shaft relative to the output-side rotating member, the circulation outward passage including a through-hole penetrating the output-side rotating member in an axial center direction of the torque converter to be in communication with a gap between the input shaft of the power transmission mechanism and the stator shaft, and a gap in the axial center direction between the stator and the output-side rotating member being oil-tightly sealed on an outer circumferential side of the through-hole. | 11-21-2013 |
20140162839 | CONTROL DEVICE OF HYBRID VEHICLE - In a case of engagement when a clutch K | 06-12-2014 |
20140172217 | VEHICLE TRAVEL CONTROL APPARATUS - A vehicle running control device in a vehicle includes a power connecting/disconnecting device interrupting power transmission between an engine and drive wheels, the vehicle running control device providing free-run control of interrupting the power transmission with the power connecting/disconnecting device and stopping the engine during inertia running, the vehicle running control device being configured to determine a target vehicle deceleration at the start of the free-run control based on a vehicle speed and to estimate an estimated vehicle deceleration when the free-run control is started, before starting the free-run control, and when the estimated vehicle deceleration is closer to the target vehicle deceleration at the start of the free-run control, the free-run control being more easily provided. | 06-19-2014 |
20140195135 | VEHICLE DRIVE CONTROL DEVICE - A vehicle drive control device performs acceleration/deceleration running by alternately repeating acceleration running and deceleration running, wherein it compares between an efficiency of the motor at a first operation point determined by a rotation speed and a torque of a motor and an efficiency of the motor at a second operation point for outputting a higher torque than the first operation point, and if a difference between the efficiencies is greater than a determination value, the acceleration running at the second operation point and the deceleration running being repeated, the second operation point being set a maximum efficiency line of the motor with the rotation speed and the torque of the motor as parameters to perform the acceleration running, and if acceleration during the acceleration running becomes larger than an acceleration limit value, a rotating machine acting at least as an electric generator generating electricity to charge a battery. | 07-10-2014 |
20140216375 | VEHICLE ENGINE CONTROL DEVICE - A control device of a vehicle engine comprises: an electric motor rotationally driving an engine to start the engine; a variable valve timing mechanism varying a valve timing of an intake valve of the engine; and an intermediate lock mechanism mechanically locking the valve timing at an intermediate position between a most delayed position and a most advanced position of the valve timing, if an output limitation of the electric motor is predicted at restart of the engine, the valve timing at the time of stop of the engine being locked at the intermediate lock position by the intermediate lock mechanism. | 08-07-2014 |
20140256506 | VEHICLE POWER TRANSMISSION DEVICE - A vehicle power transmission device having a torque converter in a power transmission path between an engine and drive wheels, the torque converter including an input-side rotating member disposed with a plurality of pump blades, an output-side rotating member disposed with a plurality of turbine blades receiving a fluid flow from the pump blades, and a stator disposed with a stator blade disposed between the pump blades and the turbine blades, the vehicle power transmission device includes: a case including a first chamber and a second chamber separated by a bulkhead disposed on an opposite side of the torque converter to the engine, the first chamber housing the torque converter, the second chamber being formed on an opposite side of the bulkhead to the torque converter, the first chamber and the second chamber being oil-tightly isolated from each other by an oil seal oil-tightly sealing a gap between an inner circumferential surface of the bulkhead and an outer circumferential surface of a cylindrical rotation shaft projected from the input-side rotating member toward the second chamber, the vehicle power transmission device being disposed with a thrust bearing between a side wall portion of the input-side rotating member closer to the bulkhead and the stator, the thrust bearing being disposed to partially or entirely overlap with the oil seal when viewed in a direction orthogonal to an axial center of the torque converter. a one way clutch being disposed between the stator and a non-rotating member which supports the stator, and a portion of the one way clutch protruding toward the second chamber as compared to the stator and an inner race of the one way clutch, the input-side rotating member having an annular projecting portion formed by projecting a portion at a radial position corresponding to the thrust bearing toward the bulkhead over entire circumference in the side wall portion of the input-side rotating member closer to the bulkhead, and the annular projecting portion containing the thrust bearing and a portion of the one way clutch. | 09-11-2014 |