Patent application number | Description | Published |
20120033650 | FLEXIBLE ALLOCATION OF CONTROL SIGNAL RESOURCES - A wireless communication system is disclosed. The method for processing a downlink subframe at a user equipment in a wireless communication system includes receiving information associated with a PHICH duration, receiving a subframe that includes a PHICH, a PDCCH, and a PDSCH, and obtaining the PDSCH after a lapse of the PDCCH duration. If the PHICH duration is larger than the PDCCH duration, the obtaining of the PDSCH is performed in consideration of PHICH resources in a duration that corresponds to the PHICH duration but not to the PDCCH duration. | 02-09-2012 |
20120057516 | METHOD FOR TRANSMITTING A SOUNDING REFERENCE SIGNAL IN AN UPLINK COMP COMMUNICATION SYSTEM, AND APPARATUS FOR SAME - The present invention relates to a method for transmitting a sounding reference signal from a terminal in an uplink coordinative multi-point (CoMP) communication system. Specifically, the method comprises the steps of: receiving parameters for transmitting a sounding reference signal from a serving base station included in a CoMP set; assigning a resource for the sounding reference signal on the basis of the parameters; and transmitting the sounding reference signal to the serving base station included in the CoMP set and to at least one neighboring base station according to the assigned resource, wherein basis sequences of the parameters for the sounding reference signal are different for base stations included in the CoMP set. | 03-08-2012 |
20120300743 | METHOD FOR TRANSMITTING AN UPLINK SIGNAL IN A WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR THE SAME - The present invention relates to a method in which a terminal transmits an uplink data signal in a wireless communication system. More particularly, the method comprises the following steps: receiving, from a base station, control information for transmitting an uplink data signal in a specific subframe; allocating a resource for the uplink data signal in accordance with the control information; and transmitting the uplink data signal using the allocated resource, wherein the control information includes resource extension information on whether or not to allocate the last symbol of the specific subframe as a resource for transmitting the uplink data. | 11-29-2012 |
20120314674 | METHOD AND DEVICE FOR TRANSMITTING UPLINK ACKNOWLEDGEMENT INFORMATION IN A WIRELESS COMMUNICATION SYSTEM SUPPORTING MULTIPLE CARRIERS - The present invention relates to a wireless communication system, and more particularly, to a method and device for transmitting uplink acknowledgement information in a wireless communication system supporting multiple carriers. A method for a terminal for transmitting uplink acknowledgement information in a wireless communication system supporting multiple carriers according to one embodiment of the present invention includes: receiving downlink control information including downlink assignment index (DAI) information representing a combination of the number of downlink control channels (n) and a priority value (n); and transmitting the uplink acknowledgement information on the basis of the number of downlink control channels (n) and the priority value (n) that the DAI information represents. Here, the DAI information includes at least one DAI value, in which varying combinations of the number of downlink control channels (n) and the priority value (n) are overlapped and mapped. | 12-13-2012 |
20120327916 | METHOD FOR TRANSMITTING UPLINK CONTROL INFORMATION AND USER DEVICE - The present invention provides a method for transmitting uplink control information and a user device, which transmits ACK/NACK (ACKnowledgement/Negative ACK) information and uplink control information other than the ACK/NACK information using a first PUCCH resource for transmitting the ACK/NACK information and a second PUCCH resource for transmitting the uplink control information within an uplink sub-frame, respectively when the first PUCCH resource and the second PUCCH resource belong to the same PUCCH area in each slot of the uplink sub-frame, and to drop the transmission of the uplink control information other than the ACK/NACK information using the first PUCCH resource when the first PUCCH resource and the second PUCCH resource belong to different PUCCH areas within the uplink sub-frame. | 12-27-2012 |
Patent application number | Description | Published |
20120188904 | METHOD FOR TRANSMITTING COMP FEEDBACK INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND TERMINAL APPARATUS - Disclosed are a method for transmitting CoMP feedback information in a wireless communication system and a terminal apparatus using the same. Measured values of adjacent cells for performing a CoMP operation can be generated by using measured values defined in an existing LTE system. Consequently, the present invention doesn't need to define new measured values in a LTE-Advanced system. | 07-26-2012 |
20120300743 | METHOD FOR TRANSMITTING AN UPLINK SIGNAL IN A WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR THE SAME - The present invention relates to a method in which a terminal transmits an uplink data signal in a wireless communication system. More particularly, the method comprises the following steps: receiving, from a base station, control information for transmitting an uplink data signal in a specific subframe; allocating a resource for the uplink data signal in accordance with the control information; and transmitting the uplink data signal using the allocated resource, wherein the control information includes resource extension information on whether or not to allocate the last symbol of the specific subframe as a resource for transmitting the uplink data. | 11-29-2012 |
20130034070 | METHOD AND APPARATUS FOR CHANNEL ESTIMATION FOR RADIO LINK BETWEEN A BASE STATION AND A RELAY STATION - A method and apparatus for channel estimation for radio link between a base station and a relay station in a radio communication system are disclosed. A method for receiving a downlink signal at a relay node in a wireless communication system, the method comprising receiving downlink control information by demodulating a R-PDCCH of a first RB pair based on a downlink channel estimated by a DMRS in the first resource block (RB) pair; and receiving downlink data by demodulating a PDSCH of the one or more RB pairs contiguous to the first RB pair based on a downlink channel estimated by a DMRS in the one or more RB pairs, wherein, if the PDSCH is assigned to the first RB pair, the downlink channel is estimated on the assumption that the same precoder is applied to one RB bundle including the first RB pair and the one or more RB pairs. | 02-07-2013 |
Patent application number | Description | Published |
20120230290 | METHOD AND AN APPARATUS FOR PROVIDING CHANNEL QUALITY INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for providing channel quality information in a wireless communication system are disclosed. According to one embodiment of the invention, a method for transmitting channel quality information includes receiving a downlink signal, calculating a channel quality information index for the received downlink signal at least based on a number of resource elements for a physical downlink shared channel (PDSCH), wherein the number of resource elements for the PDSCH is determined at least based on an overhead of a demodulation reference signal (DMRS), and transmitting the calculated channel quality information index. | 09-13-2012 |
20120231834 | METHOD FOR CONTROLLING TRANSMIT POWER OF USER EQUIPMENT IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - A method is disclosed for, at a base station (BS), controlling transmit power of a user equipment (UE) in a wireless communication system. This includes checking BS-specific maximum transmit power information, applying Additive-Maximum Power Reduction (A-MPR) corresponding to a legacy UE to the BS-specific maximum transmit power so as to generate BS-specific maximum transmit power information for the legacy UE, and broadcasting the BS-specific maximum transmit power information for the legacy UE. | 09-13-2012 |
20120320852 | METHOD AND APPARATUS OF TRANSMITTING UPLINK SIGNAL - A method and apparatus for transmitting an uplink signal are disclosed. The method for transmitting an uplink signal by a communication apparatus in a wireless communication system includes channel encoding control information, and multiplexing the channel encoded control information with a plurality of data blocks by performing channel interleaving, wherein the number of channel encoded symbols for the control information is determined using an inverse number of the sum of a plurality of spectral efficiencies (SEs) for initial transmission of the plurality of data blocks. | 12-20-2012 |