Patent application number | Description | Published |
20150195070 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA - Disclosed are a method and an apparatus for transmitting and receiving data. A method for transmitting an uplink comprises the steps of: a terminal receiving periodic channel state information (CSI) configuration information; the terminal determining an uplink subframe according to the periodic CSI configuration information; and the terminal transmitting a periodic CSI through the uplink subframe, wherein the periodic CSI configuration information may include information regarding a period, subframe offset, and a reference cell to which a wireless frame number is applied. | 07-09-2015 |
20150200761 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA - Disclosed are a method and an apparatus for transmitting and receiving data. A method for transmitting an uplink comprises the steps of: a terminal determining the size of an ACK/NACK payload according to a transmission mode of a first serving cell and a transmission mode of a second serving cell; the terminal establishing a transmission power for transmitting the ACK/NACK payload based on the size of the ACK/NACK payload; and the terminal transmitting the ACK/NACK payload through a physical uplink control channel (PUCCH) based on the transmission power. | 07-16-2015 |
20150200762 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA - Disclosed are a method and an apparatus for transmitting and receiving data. A method for transmitting an uplink comprises the steps of: a terminal receiving first downlink data from a first cell through a first subframe; the terminal receiving second downlink data from a second cell through the first subframe; the terminal transmitting first uplink data, which is generated based on a first identifier of the first cell, as a reply to the first downlink data through a second subframe, and the terminal transmitting second uplink data, which is generated based on a second identifier of a second cell, as a reply to the second downlink data through the second subframe. | 07-16-2015 |
20150223234 | METHOD AND DEVICE FOR CONTROLLING TRANSMISSION POWER FOR UPLINK CONTROL CHANNEL IN CARRIER AGGREGATION SYSTEM - Provided are a method of controlling transmission power for an uplink control channel for a terminal to which a plurality of cells are assigned, and a device using the method. The method receives a first set of parameters and a second set of parameters that are used for determining transmission power for the uplink control channel and determines the transmission power for the uplink control channel by using the first set of parameters or the second set of parameters, wherein the first set of parameters or the second set of parameters is used according to one of the cells to which the uplink control channel is transmitted. | 08-06-2015 |
20150223235 | UPLINK TRANSMISSION METHOD AND UPLINK TRANSMISSION DEVICE - One embodiment of the present specification discloses an uplink transmission method in a multi-cell environment in which a single uplink resource is shared. The method may comprise: receiving control information that configures an uplink control channel and an uplink shared channel so that the uplink control channel and the uplink shared channel are not simultaneously transmitted on the same one uplink subframe, wherein the single uplink resource is shared by a first cell and a second cell; selecting any one of the uplink control channel and the uplink shared channel if a first Scheduling Request (SR) for the first cell and Uplink Control Information (UCI) for the second cell are requested to be simultaneously transmitted on the same subframe through the uplink control channel and the uplink shared channel, respectively; sending the selected channel on the uplink subframe. | 08-06-2015 |
20150249564 | METHOD AND APPARATUS FOR TRANSMITTING MODULATION SYMBOL USING 256QAM IN A WIRELESS ACCESS SYSTEM - Disclosed herein is a wireless access system and, more particularly, methods and apparatuses for designing a 256 quadrature amplitude modulation (QAM) constellation point and transmitting a modulation symbol using the same in order to support a 256QAM scheme. The method for transmitting a modulation symbol using a 256 quadrature amplitude modulation (QAM) scheme at a transmitter in a wireless access system includes modulating octuplet bits into one modulation symbol using the 256QAM scheme, mapping the modulation symbol to one of 256QAM constellation points and transmitting the mapped modulation symbol. | 09-03-2015 |
20150264666 | METHOD AND APPARATUS FOR SUPPORTING A CARRIER AGGREGATION GROUP IN A WIRELESS COMMUNICATION SYSTEM - A method for and apparatus for supporting a carrier aggregation group in a wireless communication system supporting multiple carriers is provided. A wireless device receives a RRC configuration signal including one or more serving cells from a macro cell and a RRC configuration signal including one or more serving cells from a small cell, and configures at least two carrier aggregation group (CAG)s based on the RRC configuration signal each. And, this invention includes that cell planning for multi-CCs is provided more accurately and efficiently. | 09-17-2015 |
20150282208 | METHOD AND APPARATUS FOR SUPPORTING SCHEDULING GROUPS OF DEVICES CHARACTERISTICS IN A WIRELESS COMMUNICATION SYSTEM - A method for and apparatus for supporting scheduling groups based on devices characteristics in a wireless communication system is provided. A wireless device receives a group identification(ID) to monitor a physical downlink control channel (PDCCH) for Machine Type Communication (MTC), receives the PDCCH with the group ID at a predetermined subframe, and configures a physical downlink shared chancel (PDSCH) and a physical uplink shared chancel (PUSCH) shared with MTC UEs by the PDCCH of grant. And, more efficient and accurate scheduling with lower complexity and reduction of control overhead, for multi-UEs is provided in this invention. | 10-01-2015 |