Patent application number | Description | Published |
20130242951 | SYNCHRONIZATION METHOD FOR DISTRIBUTED ANTENNA SYSTEM AND APPARATUS USING THE SAME - A method for uplink synchronization in a distributed antenna system is provided. A user equipment determines a transmission offset based on a transmission point for uplink synchronization, allocates uplink synchronization signal to a second communication channel based on the transmission offset, and transmits the uplink transmission signal to the transmission point for uplink synchronization through the second communication channel. | 09-19-2013 |
20140133337 | METHOD AND APPARATUS FOR DETERMINING TRANSMISSION POWER OF PREAMBLE IN WIRELESS COMMUNICATION SYSTEM - Provided are a method and an apparatus for determining transmission power of a preamble in a wireless communication system. A terminal estimates secondary cell (SCell) path loss with respect to a downlink (DL) component carrier (CC), which is in a linkage relationship with an uplink (UL) component carrier inside the SCell; decides the transmission power of a physical random access channel (PRACH) preamble based on the SCell path loss that is estimated; and transmits the PRACH preamble to a base station through the ULCC inside the SCell, based on the transmission power that is decided. | 05-15-2014 |
20140161089 | METHOD OF PERFORMING A RANDOM ACCESS PROCESS AND WIRELESS DEVICE USING SAME - Provided are a method of performing a random access process and wireless device using same in a wireless communication system. A first random access process and a second random access process are triggered in one subframe, and a wireless device selects one of the first random access process and the second random access process. The wireless device transmits a random access preamble on the selected random access process from the one subframe to a base station. | 06-12-2014 |
20140192757 | METHOD AND DEVICE FOR ACQUIRING RESOURCE FOR UPLINK CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM - Provided are a method and device for acquiring a PUCCH (physical uplink control channel) resource index in a wireless communication system. A terminal acquires a PUCCH resource index indicating a dynamic PUCCH region corresponding to an e-PDCCH (enhanced physical downlink control channel). The PUCCH resource index is acquired based on the smallest CCE (control channel element) index wherein the e-PDCCH is allocated, and a first dynamic PUCCH region corresponding to the e-PDCCH is not overlapped with the dynamic PUCCH region corresponding to PDCCH. | 07-10-2014 |
20140198748 | METHOD AND APPARATUS FOR PERFORMING RANDOM ACCESS IN WIRELESS COMMUNICATION SYSTEM - Provided are a method and an apparatus for performing random access in a wireless communication system. A terminal receives from a base station a physical downlink control channel (PDCCH) indication, which indicates an initiation of the random access with respect to a secondary cell (SCell), based on whether a cross-carrier scheduling is supported by the SCell; transmits a physical random access channel (PRACH) preamble to the base station through the SCell; and transmits a RACH response as a response to the PRACH preamble, based on whether the SCell supports the cross-carrier scheduling, wherein the SCell and a primary cell (PCell) comprises a carrier aggregation (CA) system, the PCell is a cell from which the terminal performs radio resource control (RRC) connection with the base station, and wherein the SCell is at least one cell from residual cells in the carrier aggregation excluding the PCell. | 07-17-2014 |
20140233520 | METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL SIGNAL IN WIRELESS COMMUNICATION SYSTEM - Provided are a method and apparatus for transmitting an uplink control signal in a wireless communication system. A terminal receives one antenna port in a good channel state or one indicator that indicates precoding, which is selected by a base station, from the base station; and transmits the uplink control signal through a physical uplink control channel (PUCCH) to the selected one antenna port or the selected one precoding. | 08-21-2014 |
20140241319 | METHOD AND APPARATUS FOR TRANSMITTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM - Provided are a method and an apparatus for transmitting periodic channel state information (CSI) in a wireless communication system. User equipment activates an uplink (UP) semi-persistent scheduling (SPS) session allocated to a secondary cell (SCell), periodically transmits the periodic CSI through a physical uplink shared channel (PUSCH) to a base station on the basis of the UL SPS session allocated to the SCell, and releases the UL SPS session allocated to the SCell. | 08-28-2014 |
20140269600 | METHOD AND APPARATUS FOR TRANSMITTING CONTROL INFORMATION THROUGH UPLINK - Provided is a method for transmitting control information through an uplink by a terminal of a wireless communication system. The terminal generates a first bit stream for first control information and a second bit stream for second control information, determines the transmission power of the first bit stream and the second bit stream on the basis of the weight of the first control information with respect to the second control information, generates the multiplexed bit stream by multiplexing the first bit stream and the second bit stream, and transmits the multiplexed bit stream to a base station on the basis of the transmission power. | 09-18-2014 |