Patent application number | Description | Published |
20140352465 | REDUCER INCLUDING PLANETARY GEAR AND STEERING APPARATUS FOR VEHICLE INCLUDING THE SAME - The present invention relates to a reducer including a planetary gear and a steering apparatus of a vehicle including the same, and more particularly to a reducer including a planetary gear which can compensate a gap generated by wear of gear teeth of planet gears, sun gears, and ring gears, and a steering apparatus of a vehicle including the same. | 12-04-2014 |
20140353065 | ELECTRIC POWER STEERING APPARATUS FOR VEHICLE - Disclosed is an electric power steering apparatus for a vehicle. The electric power steering apparatus for the vehicle has a structure in which a motor shaft, an input shaft, a pinion shaft, and the like are coaxially disposed to improve a structure of a conventional art in which an electric motor is essentially exposed, so as to prevent interference with other structures, thereby forming a layout of the steering apparatus to be compact. | 12-04-2014 |
20140353069 | ELECTRIC POWER STEERING APPARATUS FOR VEHICLE - Disclosed is an electric power steering apparatus for a vehicle. The electric power steering apparatus for a vehicle has a structure in which a motor shaft, an input shaft, a pinion shaft, and the like are coaxially disposed to improve a structure of a conventional art in which an electric motor is essentially exposed, so as to prevent interference with other structures, thereby forming a layout of the steering apparatus to be compact. | 12-04-2014 |
20150345592 | PLANETARY GEAR REDUCER FOR VEHICLULAR STEERING APPARATUS - Disclosed is a planetary gear reducer for a vehicular steering apparatus. The planetary gear reducer includes: a sun gear, to which a steering shaft is joined; a planetary gear circumscribing the sun gear; a carrier, to which a rotary shaft of the planetary gear is joined; a ring gear, in which the planetary gear is inscribed; and backlash compensation members. The backlash compensation members are coupled to one or more of the sun gear, the planetary gear, and the ring gear such that the backlash compensation members are rotated in a state where they are in close contact with each other. | 12-03-2015 |
20150367880 | POWER TRANSMISSION DEVICE OF ELECTRIC POWER STEERING APPARATUS - The present invention relates to a power transmission device of an electric power steering apparatus. The power transmission device includes: a driving shaft of a motor having an accommodation part formed at a rotation center thereof; a coupling member inserted into the accommodation part and having an axial through-hole formed therethrough; and a gear shaft including a coupling part formed on one side thereof to be coupled to the axial through-hole, and a gear part formed on the other side thereof. According to the present invention as described above, in a power transmission device of an electric power steering apparatus, it is possible to reduce rattle noise generated as backlash increases due to wearing-out of a gear or generated due to impact transmitted from a road surface through a vehicle wheel and a steering shaft while improving a driver's steering feeling by reducing a locking feeling and a rotational resistance between a driving shaft of a motor and a gear shaft. | 12-24-2015 |
Patent application number | Description | Published |
20080207194 | Apparatus and method for beamforming using sector common antenna in wireless communication system - An apparatus and method for beamforming in a wireless communication system are provided. The base station apparatus includes a calculator, a plurality of formers, and a plurality of adders. The calculator calculates a beam coefficient considering interference to a neighbor sector to be applied to transmission signals to mobile stations. The plurality of formers performs beamforming for a transmission signal to each mobile station within a corresponding sector using the beam coefficient. The plurality of adders adds the sector-based beamformed signals each provided from the plurality of formers, on a per-transmission-antenna basis. | 08-28-2008 |
20080220804 | SYSTEM AND METHOD FOR CONTROLLING POWER IN A COMMUNICATION SYSTEM - A method for controlling power in a communication system. A base station allocates Channel Quality Information Channels (CQICHs) to at least one mobile station, transmits CQICH information for the allocated CQICHs, and transmits power control information to the mobile stations to which the CQICHs are allocated. A mobile station receives CQICH allocation information, receives power control information, and detects the power control information allocated to the mobile station by using the CQICH allocation information. | 09-11-2008 |
20080227476 | SYSTEM AND METHOD FOR CONTROLLING POWER IN A COMMUNICATION SYSTEM - A method for controlling power in a communication system. A base station allocats Channel Quality Information Channels to at least one mobile station, transmits the allocated Channel Quality Information Channel information, and transmits power control information to the mobile station to which the Channel Quality Information Channel is allocated. And a mobile station for receives Channel Quality Information Channel allocation information, receives power control information, and detects the power control information allocated to the mobile station by using the Channel Quality Information Channel allocation information. | 09-18-2008 |
20090061842 | Apparatus and method for interference cancellation in wireless communication system - An apparatus and a method for interference cancellation in a wireless communication system are provided. The method includes receiving channel information from one or more terminals; classifying the terminals into terminals interfered by a neighbor cell and terminals not interfered by the neighbor cell based on the channel information of the terminals; and allocating the terminals interfered by the neighbor cell and the terminals not interfered by the neighbor cell into different resource regions. The transmitter forms the beam taking into consideration the neighbor-cell interference by acquiring the channel information of the neighbor-cell terminals interfered by the transmitter and the scheduled terminal information during beamforming. | 03-05-2009 |
20090191819 | APPARATUS AND METHOD FOR CALIBRATION IN MULTI-ANTENNA SYSTEM - Apparatus and method for calibration in a multi-antenna system are provided. The method includes setting at least two transmission paths connected to antennas, respectively, as reference transmission paths, when receiving compensation signals transmitted in the reference transmission paths in at least two reception paths connected to the antennas, respectively, determining a phase difference of the reception paths using the received compensation signals, and calibrating the reception paths using the phase difference of the reception paths. | 07-30-2009 |
20090239472 | Apparatus and method for removing interference in multiple antenna system - Provided are an apparatus and a method for removing an interference in a multiple antenna system. The apparatus includes a channel estimator, a covariance matrix generator, a weight calculator, and a beam forming unit. The channel estimator estimates a channel for a service cell and an interference channel for an adjacent cell using sounding signals via a plurality of antennas. The covariance matrix generator generates a covariance matrix as an average value from the interference channel. The weight calculator calculates a beam coefficient using the covariance matrix. The beam forming unit forms a beam using the beam coefficient. | 09-24-2009 |
20090264087 | Apparatus and method for beamforming considering interference amount in broadband wireless communication system - An apparatus and method for beamforming in a broadband wireless communication are provided. The apparatus includes a first calculator for determining a degradation factor to indicate a degradation degree of a target signal due to interference cancellation by using a target channel matrix and at least one interfering channel matrix, a second calculator for determining a new noise power value to be used to calculate a beamforming vector if the degradation factor is greater than or equal to a threshold, and for determining the beamforming vector by using the new noise power value, and a beamformer for performing beamforming on a signal transmitted/received with a target Mobile Station (MS) by using the beamforming vector. | 10-22-2009 |
Patent application number | Description | Published |
20090265599 | APPARATUS AND METHOD FOR SUPPORTING SYNCHRONOUS HYBRID AUTOMATIC REPEAT REQUEST IN BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for supporting an HARQ scheme in a wireless communication system are provided. In a method for operating a base station, whether a resource used for a system of a different standard and a resource used for one of an HARQ reply and an HARQ retransmission packet by a synchronous HARQ scheme collide with each other is estimated. A collision packet ID is allocated to an HARQ subburst corresponding to one of an HARQ reply and an HARQ retransmission packet estimated to collide, and an offset of the one of the HARQ reply and the HARQ retransmission packet is changed. A MAP message including at least one of the collision packet ID, and changed offset information is generated. The MAP message is transmitted. | 10-22-2009 |
20100002631 | APPARATUS AND METHOD FOR NOTIFYING CHANGE OF SYSTEM CONTROL INFORMATION IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for notifying a change of system control information in a wireless communication system are provided. The method includes, changing a Group Configuration Change Counter (GCCC) and upon change of a Secondary-Super Frame Header/Sub-Packet1 (S-SFH/SP1) whose transmission period is changeable within a range of one or more super frames, changing the GCCC and information representing the change of the common control message upon change of at least one common control message, and transmitting the GCCC and the information representing the change of the at least one common control message. | 01-07-2010 |
20100111062 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING SYSTEM INFORMATION IN A WIRELESS COMMUNICATION SYSTEM WITH HIERARCHICAL CELL STRUCTURE - An apparatus and method for transmitting/receiving system information in a wireless communication system with a hierarchical cell structure are provided. A method for transmitting system information in a micro Base Station (BS) in a wireless communication system in which at least one micro cell exists within a macro cell includes transmitting first system information to a Mobile Station (MS) communicating with a macro BS within a micro cell and an MS communicating with a micro BS within the micro cell, and transmitting second system information to the MS communicating with the micro BS within the micro cell. | 05-06-2010 |
20100113036 | Apparatus and method for operating small cell in wireless communication system - A Handover apparatus and method of a Mobile Station (MS) in a wireless communication system in which at least one small cell resides in a macro cell includes, when entering a neighboring small cell, checking a movement speed of the MS. The method also includes determining whether to hand over to the small cell by taking into account the movement speed of the MS. When it is determined not to hand over to the small cell, that MS transmits small cell penetration information to a macro Base Station (BS); allocates a macro only resource from the macro BS; and communicates with the macro BS in the small cell using the macro only resource allocated from the macro BS. | 05-06-2010 |
20100174961 | Apparatus and method for allocating ACK/NACK channel in wireless communication system - An apparatus is capable of allocating an ACK/NACK channel in a wireless communication system. The apparatus performs a method for allocating the ACK/NACK channel at a base station that includes generating ACK/NACK channel allocation information of a packet transmitted to a terminal; inserting the ACK/NACK channel allocation information into the packet using a padding area indicative of a size difference of data carried by the packet and an Automatic Repeat Request (ARQ) block; and transmitting the packet comprising the inserted ACK/NACK channel allocation information to a terminal to service. | 07-08-2010 |
20110150108 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING RESOURCE ALLOCATION INFORMATION IN A COMMUNICATION SYSTEM - A method and apparatus for transmitting and receiving resource allocation information in a communication system are provided, in which a Base Station (BS) transmits resource allocation information including a folding bitmap and a Zone Flag (ZF). The folding bitmap provides zone configuration information about zones included in a subframe and the ZF indicates whether a last zone of the zones is allocated as a first service zone or a second service zone. The first service zone carries data for a first service, the second service zone carries data for a second service, and each of the first and second services zones includes at least one resource unit. | 06-23-2011 |
20120009945 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING LOCATION BASED SERVICE RESOURCE ALLOCATION INFORMATION IN A MOBILE COMMUNICATION SYSTEM - A method, an Advanced Base Station (ABS) and an Advanced Mobile Station (AMS) for transmitting Location Based Service (LBS) resource allocation information by an ABS in a mobile communication system are provided. The ABS transmits LBS resource allocation information including LBS zone configuration information representing an LBS zone transmission period. The LBS zone configuration information includes at least one of first information indicating that LBS zone transmission is switched off, second information indicating that the LBS zone transmission period corresponds to a first number of super frames, third information indicating that the LBS zone transmission period corresponds to a second number of super frames, and fourth information indicating that the LBS zone transmission period corresponds to a third number of super frames. | 01-12-2012 |
Patent application number | Description | Published |
20100133598 | Nonvolatile memory device and method for fabricating the same - A three-dimensional nonvolatile memory device and a method for fabricating the same include a semiconductor substrate, a plurality of active pillars, and a plurality of gate electrodes. The semiconductor substrate includes a memory cell region and a contact region. The active pillars extend in the memory cell region perpendicular to the semiconductor substrate. The gate electrodes include a first gate electrode and a second gate electrode. The first gate electrode is disposed on the memory cell region to intersect the active pillars. The second gate electrode is disposed on the contact region, connected to the first gate electrode and comprising metal material. | 06-03-2010 |
20100133599 | Nonvolatile memory device and method for fabricating the same - A three-dimensional nonvolatile memory device and a method for fabricating the same include a semiconductor substrate, a plurality of active pillars, a plurality of gate electrodes, and a plurality of supporters. The semiconductor substrate includes a memory cell region and a contact region. The active pillars extend in the memory cell region perpendicularly to the semiconductor substrate. The gate electrodes intersect the active pillars, extend from the memory cell region to the contact region and are stacked on the semiconductor substrate. The supporters extend in the contact region perpendicularly to the semiconductor substrate to penetrate at least one or more of the gate electrodes. | 06-03-2010 |
20140015128 | NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A three-dimensional nonvolatile memory device and a method for fabricating the same include a semiconductor substrate, a plurality of active pillars, a plurality of gate electrodes, and a plurality of supporters. The semiconductor substrate includes a memory cell region and a contact region. The active pillars extend in the memory cell region perpendicularly to the semiconductor substrate. The gate electrodes intersect the active pillars, extend from the memory cell region to the contact region and are stacked on the semiconductor substrate. The supporters extend in the contact region perpendicularly to the semiconductor substrate to penetrate at least one or more of the gate electrodes. | 01-16-2014 |
20140327067 | Three-Dimensional Nonvolatile Memory Device - A three-dimensional nonvolatile memory device and a method for fabricating the same include a semiconductor substrate, a plurality of active pillars, and a plurality of gate electrodes. The semiconductor substrate includes a memory cell region and a contact region. The active pillars extend in the memory cell region perpendicular to the semiconductor substrate. The gate electrodes include a first gate electrode and a second gate electrode. The first gate electrode is disposed on the memory cell region to intersect the active pillars. The second gate electrode is disposed on the contact region, connected to the first gate electrode and comprising metal material. | 11-06-2014 |
20160111440 | NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A three-dimensional nonvolatile memory device and a method for fabricating the same include a semiconductor substrate, a plurality of active pillars, a plurality of gate electrodes, and a plurality of supporters. The semiconductor substrate includes a memory cell region and a contact region. The active pillars extend in the memory cell region perpendicularly to the semiconductor substrate. The gate electrodes intersect the active pillars, extend from the memory cell region to the contact region and are stacked on the semiconductor substrate. The supporters extend in the contact region perpendicularly to the semiconductor substrate to penetrate at least one or more of the gate electrodes. | 04-21-2016 |