Patent application number | Description | Published |
20080289576 | Plasma based ion implantation system - A plasma based ion implantation system capable of generating a capacitively coupled plasma having beneficial characteristics for an ion implantation, including the generation of necessary ions and radicals only for an ion implantation process instead of generating an inductively coupled plasma, which generates unnecessary ions and excessively dissociates radicals. The plasma based ion implantation system easily controls plasma ions implanted by cleaning a vacuum chamber, minimizes problems of unnecessary deposition and occurrence of contaminants and increases the number of components used only for the plasma ion implantion by reducing the deposition of polymer layer on a workpiece. The plasma based ion implantation system easily control uniformity of the plasma by using a flat type electrode, thereby easily ensuring uniformity of plasma ions implanted into the workpiece. | 11-27-2008 |
20090026383 | X-Ray Detector and Method of Manufacturing the Same - Disclosed is an X-ray detector and a method of manufacturing the X-ray detector. A cushion layer is interposed between a scintillator panel for converting X-rays into visual light and a lower substrate formed with a thin film transistor, a photoelectric conversion device. Thus, the lower substrate and the scintillator panel can be bonded to each other such that no air layer can be introduced between the lower substrate and the scintillator panel. Therefore, no air layer is introduced, and thus, it is possible to prevent the efficiency of light incident to the photoelectric conversion device from being lowered. Further, the cushion layer is employed such that the lower substrate and the scintillator panel can be separated and reused. | 01-29-2009 |
20090114916 | PHOTOELECTRIC CONVERSION DEVICE AND PHOTODETECTOR APPARATUS HAVING THE SAME - A photoelectric conversion device includes an intrinsic semiconductor layer, a first conductive type semiconductor layer disposed on a first side of the intrinsic semiconductor layer, and a second conductive type semiconductor layer disposed on a second side of the intrinsic semiconductor layer opposite the first side. The intrinsic semiconductor layer includes an amorphous semiconductor layer and a crystalline semiconductor layer including a plurality of crystals. A diameter of a crystal of the plurality of crystals is equal to or less than approximately 100 angstroms. | 05-07-2009 |
20090152472 | METHOD FOR DETECTING X-RAYS AND X-RAY DETECTOR PERFORMING THE METHOD - A method for detecting X-rays using an X-ray detector including an X-ray detecting part includes disposing a heat-circulating part adjacent to the X-ray detecting part. The X-ray detecting part includes light-detecting diodes. The method further includes detecting ambient temperatures of the light detecting diodes, circulating heat in the heat-circulating part based upon a result of the detecting the ambient temperatures of the light detecting diodes, increasing a uniformity of the ambient temperatures of the light-detecting diodes, and detecting X-rays irradiated into the X-ray detector. | 06-18-2009 |
20110026419 | METHOD AND APPARATUS FOR CONTROLLING UPLINK POWER IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for controlling uplink transmit power in a wireless communication system are disclosed. The method includes determining an uplink transmit power for each of the plurality of transmission channels, and sequentially allocating the determined uplink transmit powers to the transmission channels in a descending order of predetermined priority levels of the transmission channels, within a maximum available transmit power of the user equipment. The priority levels of the transmission channels are predetermined so that control channels, a sounding channel, a data channel, and a bandwidth request channel have priority levels in a descending order. | 02-03-2011 |
20110085123 | DISPLAY DEVICE AND PORTABLE DISPLAY APPARATUS INCLUDING THE SAME - A display device is provided. The display device comprises a display panel. The display device further comprises a transparent film disposed on the display panel and a buffer layer having an adhesive characteristic interposed between the transparent film and the second plate. | 04-14-2011 |
20110098076 | METHOD AND APPARATUS FOR CONTROLLING UPLINK POWER IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for controlling uplink power in a wireless communication system are disclosed. The uplink power controlling method includes receiving target Signal-to-Interference plus Noise Ratio (SINR) parameters and an uplink noise and interference level from a base station, determining an uplink power based on a target SINR and an estimated average power level of noise and interference of a user equipment, the target SINR being determined using the target SINR parameters and the estimated average power level of noise and interference of the user equipment being calculated using the uplink noise and interference level, and receiving at least one of selectively transmitted first and second offsets from the base station and adjusting the uplink power based on the received at least one of the first and second offsets. | 04-28-2011 |
20120099532 | METHOD FOR CONSTRUCTING RACH PREAMBLE AND METHOD FOR TRANSMITTING RACH SIGNAL - A wireless communication system is disclosed. A method for constructing a RACH preamble according to a cell radius of a base station (BS) irrespective of a guard time (GT) and a method for allocating the RACH preamble are disclosed. A method for constructing a preamble of a random access channel (RACH) includes acquiring time-length information of a predetermined cyclic prefix (CP) for each cell radius of a base station (BS), acquiring sequence time-length information of a single sequence or a repeated sequence, and constructing the preamble using the predetermined CP time-length information and the sequence time-length information, irrespective of a time length of a guard time (GT). | 04-26-2012 |
Patent application number | Description | Published |
20090310703 | SEQUENCE GENERATING METHOD FOR EFFICIENT DETECTION AND METHOD FOR TRANSMITTING AND RECEIVING SIGNALS USING THE SAME - A sequence generation method for allowing a reception end to effectively detect a sequence used for a specific channel of an OFDM communication system, and a signal transmission/reception method using the same are disclosed. During the sequence generation, an index is selected from among the index set having the conjugate symmetry property between indexes, and a specific part corresponding to the frequency “0” is omitted from a transmitted signal. In addition, a reception end can calculate a cross-correlation value between a received (Rx) signal and each sequence using only one cross-correlation calculation based on the conjugate symmetry property. | 12-17-2009 |
20110032855 | METHOD OF COMMUNICATING ACCORDING TO TIME DIVISION DUPLEX - The present invention provides a method of performing communication using a TDD (Time Division Duplex) mode, the method comprising receiving, from a second system, TDD frame configuration information of the second system, which comprises information on punctured symbol, the information on punctured symbol to be obtained based on TDD frame configuration information of a first system and operating based on the received TDD frame configuration information of the second system. | 02-10-2011 |
20110044215 | COMMUNICATION METHOD FOR RADIO COMMUNICATION SYSTEM - A communication method of a user equipment using a time division duplex (TDD) frame in a wireless communication system is provided. The communication method include configuring a TDD frame comprising at least one downlink subframe and at least one uplink subframe, and transmitting a signal by using the TDD frame, wherein an uplink of the TDD frame starts on the basis of a guard period (GP) or an uplink pilot time slot (UpPTS) of a heterogeneous TDD frame. | 02-24-2011 |
20110069672 | METHOD FOR UPLINK TRANSMISSION OF CONTROL INFORMATION IN MOBILE COMMUNICATION SYSTEM - A method for uplink transmitting control information in a mobile communication system is disclosed. A method for uplink transmitting control information in a mobile communication system includes receiving control channel configuration information for indicating a first period about a time interval in which a control channel is repeatedly allocated and a second period about a time interval in which the control channel is repeatedly allocated in accordance with the first period, generating a control channel at a predetermined position in a time-frequency resource region for uplink transmission in consideration of the first period and the second period, and transmitting control information through the generated control channel. | 03-24-2011 |
20110134968 | METHOD AND APPARATUS FOR INFORMATION TRANSMISSION IN A RADIO COMMUNICATION SYSTEM - The present invention relates to a method and an apparatus for information transmission in a radio communication system. The method includes the steps of creating a first symbol and a second symbol relevant to information, creating a first transmission vector and a second transmission vector on the basis of Alamouti code from the first symbol and the second symbol, and transmitting the first transmission vector via a first antenna and transmitting the second transmission vector via a second antenna. | 06-09-2011 |
20120163348 | SEQUENCE GENERATING METHOD FOR EFFICIENT DETECTION AND METHOD FOR TRANSMITTING AND RECEIVING SIGNALS USING THE SAME - A sequence generation method for allowing a reception end to effectively detect a sequence used for a specific channel of an OFDM communication system, and a signal transmission/reception method using the same are disclosed. During the sequence generation, an index is selected from among the index set having the conjugate symmetry property between indexes, and a specific part corresponding to the frequency “0” is omitted from a transmitted signal. In addition, a reception end can calculate a cross-correlation value between a received (Rx) signal and each sequence using only one cross-correlation calculation based on the conjugate symmetry property. | 06-28-2012 |
20140029602 | SEQUENCE GENERATING METHOD FOR EFFICIENT DETECTION AND METHOD FOR TRANSMITTING AND RECEIVING SIGNALS USING THE SAME - A sequence generation method for allowing a reception end to effectively detect a sequence used for a specific channel of an OFDM communication system, and a signal transmission/reception method using the same are disclosed. During the sequence generation, an index is selected from among the index set having the conjugate symmetry property between indexes, and a specific part corresponding to the frequency “0” is omitted from a transmitted signal. In addition, a reception end can calculate a cross-correlation value between a received (Rx) signal and each sequence using only one cross-correlation calculation based on the conjugate symmetry property. | 01-30-2014 |
20140185724 | SEQUENCE GENERATING METHOD FOR EFFICIENT DETECTION AND METHOD FOR TRANSMITTING AND RECEIVING SIGNALS USING THE SAME - A sequence generation method for allowing a reception end to effectively detect a sequence used for a specific channel of an OFDM communication system, and a signal transmission/reception method using the same are disclosed. During the sequence generation, an index is selected from among the index set having the conjugate symmetry property between indexes, and a specific part corresponding to the frequency “0” is omitted from a transmitted signal. In addition, a reception end can calculate a cross-correlation value between a received (Rx) signal and each sequence using only one cross-correlation calculation based on the conjugate symmetry property. | 07-03-2014 |
Patent application number | Description | Published |
20100027485 | METHOD FOR TRANSMITTING CONTROL SIGNAL AND METHOD FOR ALLOCATING COMMUNICATION RESOURCE TO DO THE SAME - A method for transmitting a control signal together with RACH transmission and a method for allocation a communication resource for the control signal transmission are disclosed. In allocating a communication resource for a control signal transmission within a transmission unit resource region for performing an RACH transmission, the present invention includes the steps of setting a resource region used for the RACH transmission to a portion of the transmission unit resource region and allocating the control signal transmission resource region unused for the RACH transmission within the transmission unit resource region. | 02-04-2010 |
20100034155 | RANDOM ACCESS METHOD AND SIGNALLING METHOD FOR THE SAME - A method for generating an iterative sequence and a signal transmission method using the same are disclosed. As the cell size or the distance between a user equipment (UE) and a Node-B increases, the CP is repeated at least one time while the iterative sequence is generated, the CP length and the ZCZ length are adjusted, so that the sequence timing point can be easily detected, orthogonality between sequences is maintained, and the sequences can be clearly distinguished from each other. | 02-11-2010 |
20110143744 | RANDOM ACCESS METHOD AND SIGNALING METHOD FOR THE SAME - A method for generating an iterative sequence and a signal transmission method using the same are disclosed. As the cell size or the distance between a user equipment (UE) and a Node-B increases, the CP is repeated at least one time while the iterative sequence is generated, the CP length and the ZCZ length are adjusted, so that the sequence timing point can be easily detected, orthogonality between sequences is maintained, and the sequences can be clearly distinguished from each other. | 06-16-2011 |
20130215852 | RANDOM ACCESS METHOD AND SIGNALLING METHOD FOR THE SAME - A method for generating an iterative sequence and a signal transmission method using the same are disclosed. As the cell size or the distance between a user equipment (UE) and a Node-B increases, the CP is repeated at least one time while the iterative sequence is generated, the CP length and the ZCZ length are adjusted, so that the sequence timing point can be easily detected, orthogonality between sequences is maintained, and the sequences can be clearly distinguished from each other. | 08-22-2013 |
20140376495 | RANDOM ACCESS METHOD AND SIGNALLING METHOD FOR THE SAME - A method is described for a specific user equipment (UE) to perform a random access to a Node-B within a cell in which a plurality of UEs are located together. The method includes receiving system information for at least one of a basic sequence index and a length of a zero correlation zone (ZCZ) from the Node-B, and transmitting a preamble sequence to the Node-B over a random access channel. The preamble sequence is generated from constant amplitude zero auto-correlation (CAZAC) sequences distinguishable by at least one of the basic sequence index and a length of a cyclic shift (CS) applied to the preamble sequence. The length of the CS applied to the preamble sequence is given by one among a plurality of application lengths determined based on the length of the ZCZ, wherein a number of the plurality of lengths are differently given based on a type of the specific UE, and wherein the system information is the same for all the UEs within the cell regardless of the types of UEs. | 12-25-2014 |