Patent application number | Description | Published |
20110081933 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING SIGNAL IN WIRELESS COMMUNICATION SYSTEM - Disclosed are apparatuses and methods for signal transmission/reception between a user equipment (UE) and a base station (BS) or cell in a wireless communication system in which a position of a US may be determined by identifying according to a positioning reference signal (PRS) pattern. By a method of transmitting PRSs using a more effective and efficient muting method, it is possible to reduce interference between multiple base stations that simultaneously transmit a same PRS pattern. | 04-07-2011 |
20120093089 | METHOD FOR SELECTING PRECODER IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS USING THE SAME, FEEDBACK METHOD OF CHANNEL INFORMATION OF TERMINAL, AND METHOD FOR RECEIVING CHANNEL INFORMATION OF BASE STATION - Disclosed is related to a wireless communication system, and is a method and an apparatus for selecting a UE and a precoder based on a measurement during a determined period after receiving information extracted by using channel state information from each UE in a MU-MIMO communication system, and a switching apparatus and method between modes using the same. Accordingly, the BS performs a long term measurement based precoding by using only the same feedback information (for example, PMI) as that of a SU-MIMO mode, so that a set of UEs to be supported by a MIMO and precoders for each UE, which prevent or minimize interference between UEs, may be determined without an increase of a feedback overhead. | 04-19-2012 |
20120093253 | POWER ALLOCATION METHOD FOR WIRELESS COMMUNICATION SYSTEM, APPARATUS FOR SAME, AND TRANSCEIVER DEVICE USING THIS FORM OF SIGNAL TRANSMISSION - Disclosed is a wireless communication system and a power allocation in the wireless communication system. | 04-19-2012 |
20120093258 | METHOD FOR COMPENSATING FOR FREQUENCY ATTENUATION USING ADAPTIVE CYCLIC DELAY DIVERSITY, AND TRANSMITTING APPARATUS AND METHOD AND RECEIVING APPARATUS AND METHOD USING SAME - Disclosed is a method for compensating for frequency attenuation using adaptive cyclic delay diversity, and a transmitting apparatus and method and a receiving apparatus and method using the same. In the method, a receiving side feeds back information on an antenna to be delayed and an adaptive CDD delay value for the antenna to a transmitting side, and the transmitting side performs a cyclic delay transmission based on the provided cyclic delay value, so as to improve the reception frequency response characteristics. | 04-19-2012 |
20120099513 | COORDINATED MULTIPOINT TRANSMITTING/RECEIVING METHOD USING ADAPTIVE CYCLIC DELAY DIVERSITY, SYSTEM SIDE APPARATUS AND RECEIVING APPARATUS USING SAME, AND METHOD FOR DETERMINING A COORDINATED BASE STATION SET - Disclosed is a coordinated multi-point transmitting/receiving method using adaptive cyclic delay diversity, a system side apparatus and a receiving apparatus using the same, and a method for determining a coordinated base station set, which can cause a particular base station to have a good channel performance in a particular frequency band, which requires coordinated multi-point transmission/reception, by using adaptive cyclic delay diversity (CDD), so as to include the relevant base station in a coordinated base station set. | 04-26-2012 |
20120147774 | METHOD AND APPARATUS FOR TRANSMITTING AN UPLINK BROADBAND MEASUREMENT SIGNAL IN A WIRELESS COMMUNICATION SYSTEM, AND METHOD AND APPARATUS FOR ESTIMATING A DOWNLINK CHANNEL USING SAME - The present specification relates to a wireless communication system, and more particularly, to a method and apparatus for transmitting an uplink broadband measurement signal in a wireless communication system, and to a downlink channel estimation technique using the same. | 06-14-2012 |
20120147833 | METHOD FOR TRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM, TRANSMITTING DEVICE THEREFOR, AND RECEIVING DEVICE AND RECEIVING METHOD THEREFOR - Disclosed are a method for transmitting data in a wireless communication system and a transmitting device therefor. | 06-14-2012 |
20120147845 | METHOD AND APPARATUS FOR TRANSMITTING DOWNLINK CHANNEL INFORMATION USING AN UPLINK BROADBAND MEASUREMENT SIGNAL IN A WIRELESS COMMUNICATION SYSTEM, AND METHOD AND APPARATUS FOR ACQUIRING DOWNLINK CHANNEL INFORMATION USING SAME - The present disclosure relates to a method and apparatus for transmitting downlink channel information using an uplink broadband measurement signal in a wireless communication system, as well as to a method and apparatus for acquiring downlink channel information using same. | 06-14-2012 |
20120147985 | FEEDBACKING CHANNEL INFORMATION IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to feedback channel information in wireless communication system. | 06-14-2012 |
20120201192 | METHOD AND APPARATUS FOR RELAYING UPLINK SIGNALS - The present invention relates to a method and apparatus for relaying uplink signals, and provides a method and apparatus for relaying uplink signals which involve integrating a plurality of information blocks for signals received from a plurality of terminals to generate an integrated information block, encoding the thus-generated integrated information block, and transmitting the encoded block to a base station. | 08-09-2012 |
20120201282 | PRECODING AND FEEDBACK CHANNEL INFORMATION IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to precoding and feedback channel information in wireless communication system. | 08-09-2012 |
20120207076 | METHOD FOR TRANSMISSION OF CELL-SPECIFIC INFORMATION OF BASE STATION IN COORDINATED MULTI-POINT TRANSMISSION/RECEPTION SYSTEM - Disclosed is an apparatus and method for transmission of an uplink reference signal of a base station in a coordinated multi-point (multi-antenna) transmission/reception system and a coordinated multi-point transmission/reception method of a User Equipment (UE). Frequency, time, or code resources are divided in order to decrease the occurrence of interference between adjacent cells in transmission of an uplink reference signal in a coordinated multi-point transmission/reception system. | 08-16-2012 |
20120213191 | METHOD FOR MAPPING AND TRANSMITTING DEMODULATION REFERENCE SIGNAL (DM-RS), COMMUNICATION TERMINAL DEVICE USING SAME, APPARATUS FOR TRANSMITTING DM-RS, AND METHOD FOR RECEIVING DM-RS - The present invention relates to a method for mapping and transmitting demodulation reference signal (DM-RS) and a communication terminal device, and more particularly to a method for mapping and transmitting DM-RS which uniformly maintains reception reliability of DM-RS for each layer in a process for transmitting different DM-RSs for odd-numbered layers. | 08-23-2012 |
20120213311 | METHOD FOR GENERATING PLURALITY OF DM-RS SEQUENCES, COMMUNICATION TERMINAL DEVICE USING SAME, AND BASE STATION USING SAME - The present invention relates to a method for generating a plurality of demodulation reference signal (DM-RS) sequences, a communication terminal device using same, and a base station using same, which generate N DM-RS sequences by adding additional parameters having N (≧2) values or N numbers of cases after designing a basic DM-RS sequence for one or more layers. Thereby, each terminal can easily obtain layer information assigned thereto except for basic precoder information from DM-RS and can further predict interference and the like among terminals by obtaining layer information of other terminals. | 08-23-2012 |
20120218913 | CHANNEL INFORMATION FEEDBACK DEVICE AND METHOD THEREOF, AND MODE SWITCHING METHOD, COMMUNICATION TERMINAL DEVICE, AND BASE STATION SYSTEM USING SAME - The present invention relates to a wireless communication system, and more particularly to a device for feeding back channel information in consideration of interference according to connection of an additional terminal and a technique for switching a mode by enabling a base station and the like to determine the connection of the additional terminal using the communication system. | 08-30-2012 |
20120219091 | METHOD AND TRANSMITTER FOR TRANSMITTING FOR TRANSMITTING SIGNAL AND RECEIVER THEREOF IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to precoding the signal in wireless communication system. | 08-30-2012 |
20120224554 | APPARATUS AND METHOD FOR ASSIGNING LAYERS IN WIRELESS COMMUNICATION SYSTEM - Disclosed are a method and an apparatus for assigning layers which assure a high data rate, considering interference among layers and interference among terminals in a wireless communication system. The present invention comprises: a layer composition unit for composing layers to assign at least one layer in each of at least two terminals; and a layer change unit for changing the assignment of the layers due to the interference by receiving the information for the interference between the layers of at least two terminals. | 09-06-2012 |
20120224556 | METHOD AND DEVICE FOR TRANSMITTING A REFERENCE SIGNAL AND REFERENCE SIGNAL INFORMATION IN A COOPERATIVE MULTI-ANTENNA SENDING AND RECEIVING SYSTEM - Provided are a method and device for transmitting a reference signal and reference signal information in a cooperative multi-antenna sending and receiving system. Disclosed are a transmission method and device for resolving the problem whereby interference can occur between neighboring cells. | 09-06-2012 |
20120257689 | METHOD AND APPARATUS FOR CONFIGURING A CHANNEL USING DIVERSITY - The present invention discloses a method and an apparatus for configuring a channel using diversity. The method for configuring a channel using uplink diversity according to one embodiment of the present invention comprises the following steps: converting k-bit of information to be transmitted into n-bit, which is an encoded bit, so as to transmit predetermined information from the channel; selecting m-bit from among said n-bit and permitting T-number of transmitting antennas to generate T-number of modulation symbols so as to transmit said m-bit; and transmitting said T-number of modulation symbols as channel symbols from said T-number of transmitting antennas. In the step of generating the modulation symbols, the T-number of transmitting antennas generate the T-number of modulation symbols using R-number of different resources from each other. | 10-11-2012 |
20120269152 | METHOD FOR CONFIGURING A RESOURCE, METHOD FOR TRANSCEIVING DATA IN THE CONFIGURED RESOURCE, AND APPARATUS FOR SAME IN A WIRELESS COMMUNICATION SYSTEM - The present description relates to a wireless communication system, a method for configuring a resource, a method for transceiving data in the configured resource, and an apparatus for the same. The method described in the present description comprises: selecting one or more resource block groups from among the resource block groups contained in at least one or more component carriers so as to generate an aggregated resource block group; and allocating resources in accordance with the configuration of the aggregated resource block group, and transceiving data. Here, information on the aggregated resource block group contains a component carrier indicator. | 10-25-2012 |
20120281578 | METHOD FOR TRANSCEIVING CHANNEL INFORMATION, AND TERMINAL AND BASE STATION USING SAME - The present description relates to a wireless communication system and to a method for transceiving channel information through carrier aggregation, and a terminal and a base station using the method. The method described in the present description comprises: receiving channel information from a user terminal, and generating a sub-band group from one or more subbands contained in at least one or more component carriers; and receiving, from the user terminal, channel information for each of the sub-band groups through a control channel. | 11-08-2012 |
20120294253 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A method for composing, transmitting, and receiving a reference signal in a wireless communication system for performing non-continuous resource allocation on the basis of a plurality of resource clusters is provided. An increase in a Cubic Metric (CM) and a Peak to Average Power Ratio (PAPR) generated in a process for composing, transmitting, and receiving a same reference signal according to each resource cluster by composing, transmitting, and receiving the reference signal distinguishable from each resource cluster in the wireless communication system for performing the non-continuous resource allocation on the basis of the resource clusters may be prevented. | 11-22-2012 |
20120314656 | METHOD AND APPARATUS FOR COMBINING AND TRANSCEIVING CONTROL INFORMATION - Disclosed are a method and apparatus for combining and transceiving control information. The method for combining and transmitting control information in accordance with one embodiment of the present invention comprises: a step in which a base station, which transceives control information and data information to/from a user terminal via a plurality of component carriers (CC), transmits control information via a first component carrier to the user terminal, and determines identification information for identifying a second component carrier so as to transmit data information via the second component carrier which is determined by the control information of the first component carrier; a step of determining indication information required for encoding the data information and/or control information of the second component carrier; a step of combining the identification information for identifying the second component carrier and the indication information; and a step of transmitting the control information of the first component carrier, including said combined information. | 12-13-2012 |
20120322445 | METHOD AND APPARATUS FOR REDUCING CONSUMPTION OF TRANSMISSION POWER IN BASE STATION BY ADJUSTING TRANSMISSION INTERVAL OF CONTROL SIGNAL - A method for reducing the consumption of the transmission power in the base station by adjusting the transmission interval between the control signals comprises the steps of: changing the interval between the control signals transmitted from the base station from a first interval to a second interval and transmitting the control signal; receiving a first message including transmission interval adjustment request information of the control signal; and changing the interval between the control signals to the first interval and transmitting the control signal. | 12-20-2012 |
20140328425 | METHOD AND TRANSMITTER FOR TRANSMITTING SIGNAL AND RECEIVER THEREOF IN WIRELESS COMMUNICATION SYSTEM - A transmitter includes a layer mapper and a precoder. The layer mapper is configured to map 2 codewords to 3 layers to output a mapped set of 3 symbols. A first codeword is mapped into one layer, and a second codeword is mapped into two layers. The precoder is configured to precode the mapped set of 3 symbols using a precoding matrix that distributes the mapped set of 3 symbols across 4 antenna ports so that each codeword is distributed across 2 antenna ports. | 11-06-2014 |