Patent application number | Description | Published |
20120005589 | MOBILE TERMINAL AND METHOD FOR CONTROLLING THE OPERATION OF THE MOBILE TERMINAL - A mobile terminal and a method for controlling operation of the mobile terminal are provided. In the method, a webpage that requires input of an authentication number for user authentication is displayed and a message including an authentication number is then received upon requesting an authentication number through the webpage. The authentication number is extracted from the message and the extracted authentication number is input to the webpage to allow the authentication process to be performed. Accordingly, it is possible to quickly and easily perform login authentication information input or the user authentication process using the mobile terminal. | 01-05-2012 |
20130148713 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNALS BASED ON DUAL COMPRESSIVE SENSING IN WIRELESS COMMUNICATION SYSTEM - A method for transmitting signals based on dual sensing in a wireless communication system is disclosed. One or more sensor nodes receive Gaussian codes corresponding respectively to the one or more sensor nodes, allocated from a fusion center. The one or more sensor nodes determine whether to operate at a specific time. At least one sensor node that has determined to operate among the one or more sensor nodes multiplies the Gaussian codes by a transmission signal and transmits the multiplied signal to the fusion center. | 06-13-2013 |
20150049740 | METHOD AND APPARATUS FOR TRANSMITTING SIGNAL IN DEVICE-TO-DEVICE COMMUNICATION - A method for transmitting an uplink signal of a user equipment (UE) in a wireless communication system includes receiving an uplink (UL) grant from a serving base station and performing UL transmission based on the UL grant or device-to-device (D2D) communication, according to a configuration for D2D communication and a configuration of transmission time interval (TTI) bundling. When bundled UL transmission based on the UL grant and transmission for D2D communication are scheduled in the same TTI, the UL transmission scheduled in the TTI is performed in a first available TTI after the TTI, and, when two bundled UL transmissions according to two different UL grants are scheduled in the same TTI, bundled UL transmission according to the later received UL grant of the two different UL grants is dropped. | 02-19-2015 |
20150181543 | METHOD AND TERMINAL FOR SYNCHRONIZING DOWNLINK - One disclosure of the present invention suggests a method for synchronizing a downlink. The method for synchronizing downlinks comprises the steps of: receiving from at least one cell, which belongs to a random group, a synchronization signal; synchronizing the downlink in accordance with the synchronization signal; and using the downlink synchronization, which is performed on the at least one cell, to synchronize the downlink with a target cell, when the target cell that belongs to the random group is converted from an off state to an on state, wherein the random group comprises geographically adjacent cells, and wherein the cells that are comprised in the random group can have mutually different cell IDs, but a portion of the synchronization signals can be identical. | 06-25-2015 |
20150194186 | MOBILE TERMINAL AND CONTROLLING METHOD THEREOF - A mobile terminal including a camera; a touchscreen; and a controller configured to start recording a video through the camera, display an editing region on the currently recording video including a time axis for a previously recorded part of the currently recording video and a plurality of thumbnail images listed on the time axis, receive an input of selecting a first point in the editing region for selecting a first portion of the previously recorded part while the video is currently being recorded, and overwrite the first portion of the previously recorded part with video currently being recorded. | 07-09-2015 |
20150280878 | METHOD FOR CONFIGURING AN INTERFERENCE MEASUREMENT RESOURCE IN A WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR THEREOF - The present invention relates to a method of transmitting CSI-RS (channel state information-reference signal) configuration, which is transmitted by a base station in a wireless communication system, and an apparatus therefor. Specifically, the method includes the steps of composing an information element configuring a first CSI (channel state information) subframe set and a second CSI subframe set and transmitting the CSI-RS configuration including at least one or more ZP-CSI-RS configurations (zero power CSI-RS configuration). The CSI-RS configuration includes a first ZP-CSI-RS configuration for a first user equipment to which the information element is not set and a second user equipment to which the information element is set and a second ZP-CSI-RS configuration for the second user equipment only. | 10-01-2015 |
20150289211 | METHOD OF TRANSMITTING UPLINK CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM SUPPORTING CHANGE OF USAGE OF RADIO RESOURCE AND APPARATUS THEREFOR - The present invention relates to a method of transmitting uplink control information (UCI), which is transmitted by a user equipment in a wireless communication system. In particular, the method includes the steps of receiving first offset information associated with uplink control information (UCI) transmission in uplink subframes according to uplink-downlink configuration of a serving cell and receiving a power control parameter configuring a first uplink power control subframe set and a second uplink power control subframe set for the uplink subframes. In this case, the first uplink power control subframe set and the second uplink power control subframe set are configured to be independently applied by an offset for transmitting the uplink control information. | 10-08-2015 |
20150295743 | METHOD AND USER EQUIPMENT FOR TRANSRECEIVING TDD - According to one embodiment of the present invention, suggested is a method for user equipment transreceiving a time division duplex. The method comprises the steps of: receiving from a cell first information on a downlink (DL)-uplink (UL) subframe configuration according to the TDD; receiving second information on whether to apply a third cyclic prefix (CP), which has a reduced length compared to a first CP and a second CP; and depending on the first information, determining whether to apply the third CP to the downlink subframe and the uplink subframe according to the second information. | 10-15-2015 |
20150334688 | METHOD AND APPARATUS FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM - One embodiment of the present invention relates to a method by which a base station transmits control information through an enhanced physical downlink control channel (EPDCCH) in a wireless communication system, and the control information transmission method comprises the steps of: mapping control information to an enhanced resource-element group (EREG) allocated to transmit the EPDCCH in a first EPDCCH physical resource block (PRB) set and a second EPDCCH PRB set, respectively; and transmitting the mapped control information, wherein an enhanced control channel element (ECCE) index corresponding to the EREG of the same position is connected with the same physical uplink control channel resource (PUCCH) in the first EPDCCH PRB set and the second EPDCCH PRB set, respectively. | 11-19-2015 |
20150341816 | METHOD FOR MANAGING RADIO RESOURCE IN MULTI-CELL WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present invention relates to a radio resource management (RRM) measurement method of a terminal and a device therefor in a multi-cell wireless communication system. Particularly, the RRM measurement method comprises the steps of: receiving, from a serving cell, information associated with an RRM for a neighboring cell; and performing an RRM measurement for the neighboring cell according to the information associated with the RRM, wherein the serving cell and the neighboring cell are respectively set to change at least one uplink subframe according to a preset uplink-downlink configuration (UL-DL configuration) for downlink communication, and subframes for an RRM measurement for the neighboring cell are considered to be the same as subframes for an RRM measurement of the serving cell if the information associated with the RRM indicates the uplink-downlink configurations (UL-DL configurations) of the serving cell and the neighboring cell are the same. | 11-26-2015 |
20150341866 | METHOD FOR CONTROLLING UPLINK POWER IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present invention relates to a wireless communication system and, more specifically, provides a method for controlling uplink power and a device therefor. The method whereby user equipment controls uplink transmission power in a wireless communication system according to one embodiment of the present invention may comprise the steps of: receiving first uplink-downlink (UL-DL) configuration information from a base station through a system information block; receiving second UL-DL configuration information for a downlink hybrid automatic repeat and request (HARQ) operation from the base station; receiving a transmission power control (TPC) command from the base station; and determining uplink transmission power for a first uplink channel on the basis of the first UL-DL configuration information and the TPC command and determining uplink transmission power for a second uplink channel on the basis of the second UL-DL configuration information and the TPC command. | 11-26-2015 |
20150341914 | METHOD FOR RECEIVING DOWNLINK CONTROL INFORMATION BY UE IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SAME - The present invention relates to a method for receiving control information by a UE in a wireless communication system, and an apparatus for same. More specifically, the method includes a step of receiving reconfiguration downlink control information (DCI), wherein the reconfiguration DCI includes a plurality of reconfigurations relating to a UE group including the UE and is configured so as to be received on the basis of a radio network temporary identifier (RNTI) defined for the reconfiguration DCI. | 11-26-2015 |
20150350945 | METHOD AND DEVICE FOR MEASURING CHANNEL BETWEEN BASE STATIONS IN WIRELESS COMMUNICATION SYSTEM - One embodiment of the present invention relates to a method by which a first base station measures a channel with a second base station in a wireless communication system, the channel measuring method comprising the steps of: receiving a reference signal transmitted by the second base station, in a first subframe; and estimating a channel with the second base station on the basis of the reference signal, wherein the first subframe is obtained by changing a subframe indicated for an uplink by system information into a subframe for a downlink by the second base station. | 12-03-2015 |
20150351040 | METHOD FOR CONTROLLING UPLINK POWER IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present invention relates to a wireless communication system and, more specifically, provides a method for controlling uplink power and a device therefor. The method whereby user equipment controls uplink transmission power in a wireless communication system according to one embodiment of the present invention may comprise the steps of: receiving configuration information regarding a plurality of subframe sets from a base station; receiving uplink grant information for scheduling uplink transmission in a plurality of subframes and transmission power control (TPC) information; and performing uplink channel transmission in the plurality of subframes. The TPC information may be applied to only one among the plurality of subframes if the plurality of subframes belong to one same subframe set among the plurality of subframe sets. | 12-03-2015 |
20150358137 | METHOD AND APPARATUS FOR TRANSMITTING RECEIPT CONFIRMATION REPLY IN WIRELESS COMMUNICATION SYSTEM - One embodiment of the present invention relates to a method for user equipment transmitting an uplink receipt confirmation reply in a wireless communication system, comprising the steps of: receiving a downlink signal from subframe n; and transmitting a receipt confirmation reply with respect to the downlink signal from the k | 12-10-2015 |
20150358916 | METHOD FOR CONTROLLING UPLINK POWER IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present invention relates to a wireless communication system and, more specifically, provides a method for controlling uplink power and a device therefor. The method whereby user equipment controls uplink transmission power in a wireless communication system according to one embodiment of the present invention may comprise the steps of: receiving configuration information regarding a plurality of subframe sets from a base station; receiving, in the subframe index j, transmission power control (TPC) information from the base station; and determining transmission power for an uplink channel in the subframe index i on the basis of the TPC information. The TPC information may be applied to a power control process related to a first subframe set, to which the subframe index i belongs, among the plurality of subframe sets. | 12-10-2015 |
20150358962 | METHOD FOR MONITORING DOWNLINK CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM AND DEVICE FOR SAME - The present invention relates to a method and a device by which a user equipment monitors a downlink control channel in a wireless communication system. More specifically, the method comprises a step of monitoring the downlink control channel on a flexible downlink subframe, wherein the flexible downlink subframe is obtained by reconfiguring, for downlink communication, an uplink subframe configured according to a reference UL-DL configuration, the reference UL-DL configuration is configured by the combination of a first UL-DL configuration set for a first cell and a second UL-DL configuration set for a second cell, and the first UL-DL configuration and the second UL-DL configuration are configured so as to change the usage of wireless resources. | 12-10-2015 |
20150358977 | METHOD FOR MITIGATING INTERFERENCE WHEN CHANGING USE OF DYNAMIC RESOURCE IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR - The present application discloses a method whereby a base station transmits/receives signals to/from user equipment in a wireless communication system. More specifically, the method comprises the steps of: applying one of at least one candidate resource setting as a resource setting for the signal transmission/reception; and transmitting/receiving signals to/from the user equipment in accordance with the applied resource setting, the method being characterized by: decreasing transmission power for a downlink signal if the downlink signal is transmitted, in a resource designated for uplink signal reception from the user equipment according to a predetermined reference resource setting, to the user equipment according to the applied resource setting; and increasing transmission power for an uplink signal or decreasing the coding rate of the uplink signal if the uplink signal is received, in a resource designated for downlink signal transmission to the user equipment according to the reference resource setting, from the user equipment according to the applied resource setting. | 12-10-2015 |
20150372772 | METHOD AND APPARATUS FOR RECEIVING SIGNAL IN WIRELESS COMMUNICATION SYSTEM - Disclosed is a wireless communication system. A method for receiving a signal using NAICS (Network Assisted Interference Cancellation and Suppression) in a wireless access system supporting eIMTA (Enhanced Interference Management and Traffic Adaptation) includes receiving first information on uplink and downlink configuration of a neighbor cell and second information related with a flexible subframe of the neighbor cell, and receiving the signal based on the first information and the second information. | 12-24-2015 |
20150373675 | METHOD FOR TRANSCEIVING SIGNAL BASED ON DYNAMIC CHANGE OF WIRELESS RESOURCE IN WIRELESS COMMUNICATIONS SYSTEM AND APPARATUS THEREFOR - The present application discloses a method for enabling a terminal to transceive a signal with a base station in a TDD (Time Division Duplex) communications system. Specifically, the method includes the steps of: receiving reference sub-frame set information through the system information and active sub-frame set information through dynamic signaling; receiving an uplink grant for transmitting an uplink signal in a downlink sub-frame defined in the active sub-frame set information; judging the effectiveness of a particular uplink sub-frame for transmitting the uplink signal commanded by the uplink grant; and transmitting the uplink signal to the base station if the particular uplink sub-frame is effective. | 12-24-2015 |
20150373676 | COMMUNICATION METHOD USING CARRIER AGGREGATION AND APPARATUS FOR SAME - The present invention relates to a method of transmitting/receiving a signal by a UE in a wireless communication system supporting carrier aggregation. The method includes the steps of: receiving a configuration for aggregating a component carrier in a frequency division duplex (FDD) mode and a component carrier in a time division duplex (TDD) mode; and transmitting/receiving a signal using a primary component carrier and a secondary component carrier determined according to the configuration, wherein the primary component carrier and the secondary component carrier support different modes. | 12-24-2015 |
20150373677 | METHOD AND APPARATUS FOR RECEIVING DOWNLINK SIGNAL IN WIRELESS COMMUNICATION SYSTEM - According to an embodiment of the present invention, a method of receiving a downlink signal by a user equipment (UE) in a wireless communication system includes the steps of: receiving information indicating usage change of a first sub-frame, which is a special sub-frame, into a downlink sub-frame; and decoding a control channel from the usage-changed sub-frame, using a first radio network temporary identifier (RNTI) and a second RNTI, wherein the UE assumes that data exists in a DwPTS area from among resource areas indicated by the control channel when the decoding using the first RNTI is successful. | 12-24-2015 |
20150373739 | METHOD AND DEVICE FOR TRANSMITTING UPLINK SIGNAL IN WIRELESS COMMUNICATION SYSTEM - One embodiment of the present invention relates to a method by which a terminal transmits an uplink signal in a wireless communication system, the uplink signal transmission method comprising: receiving downlink control information including an uplink acknowledgement; and transmitting uplink data in a kth subframe from a subframe in which the uplink acknowledgement has been received, wherein the uplink acknowledgement is also applied to first to Lth subframes appearing after the subframe in which the uplink acknowledgement has been received. | 12-24-2015 |
20150382379 | METHOD AND APPARATUS FOR RECEIVING DOWNLINK CONTROL INFORMATION IN WIRELESS COMMUNICATION - A method for receiving downlink control information by a terminal in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining enhanced physical downlink control channel (EPDCCH) candidates per aggregation level in an enhanced physical downlink control channel physical resource block (EPDCCH PRB) set; and performing monitoring in a set of the EPDCCH candidates, wherein enhanced control channel elements (ECCE) constituting the respective EPDCCH candidates are distributed in the EPDCCH PRB set. | 12-31-2015 |
20160007324 | METHOD FOR ENABLING TERMINAL TO TRANSMIT AND RECEIVE SIGNAL IN WIRELESS COMMUNICATIONS SYSTEM AND APPARATUS THEREFOR - The present invention relates to a method for enabling a terminal to transmit and receive a signal in a wireless communications system and an apparatus therefor. More specifically, the method includes the steps of: receiving physical downlink shared channel (PDSCH) data and reconfiguration downlink control information (DCI); and transmitting at least one of the information of ACK/NACK (acknowledgement/Negative Acknowledgement) for downlink data and the answer message corresponding to the reconfiguration downlink control information, characterized in that the answer message represents whether to succeed in receiving the reconfiguration downlink control information. | 01-07-2016 |
20160007374 | METHOD FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION IN WIRELESS COMMUNICATIONS SYSTEM AND APPARATUS THEREFOR - The present invention relates to a method for a terminal to receive downlink control information in a wireless communications system and an apparatus therefor. More specifically, the method is characterized by comprising a step for receiving downlink control information (DCI) indicating whether to retransmit an uplink or not, wherein DCI is defined to simultaneously transmit whether to retransmit the uplink for each of the plurality of terminals. | 01-07-2016 |
20160007383 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SIGNAL RELATED TO DEVICE-TO-DEVICE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM - Embodiments of the present invention relate to a method for transmitting/receiving a signal related to a device-to-device (D2D) communication by a first user equipment in a wireless communication system. The method comprises the steps of: stopping uplink transmission in a first band for a predetermined time interval and searching for a signal transmitted by a second user equipment; and transmitting a report to a third user equipment when the signal transmitted by the second user equipment is found, wherein the report contains the existence of the second user equipment and information related to a band in which the signal from the second user equipment is received. | 01-07-2016 |
20160029333 | METHOD FOR RECEIVING SYNCHRONIZATION INFORMATION FOR DIRECT COMMUNICATION BETWEEN USER EQUIPMENT AND APPARATUS FOR SAME - Disclosed is a method by which first user equipment receives synchronization information for a Device-to-Device (D2D) link at a user equipment (UE) in a wireless communication system. Specifically, the method comprises: receiving configuration information for synchronization from serving cell; and acquiring information on reference cell for synchronization of the D2D link based on the configuration information; and acquiring a synchronization resource based on the information on reference cell, wherein the information on reference cell comprises an identifier of the reference cell. | 01-28-2016 |
20160044634 | MULTIMEDIA BROADCAST/MULTICAST SERVICE METHOD AND APPARATUS FOR DEVICE-TO-DEVICE (D2D) COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method for providing, by a first UE, which conducts a device-to-device (D2D) communication, a multimedia broadcast/multicast service (MBMS) in a wireless communication system. In particular, the method comprises steps of: receiving, by a first UE, control information for a D2D communication; and providing, by the first UE, an MBMS to a second UE which is intended for the D2D communication, wherein the MBMS is configured to be transmitted using an uplink resource. | 02-11-2016 |
20160050575 | METHOD FOR PERFORMING MEASUREMENT IN WIRELESS COMMUNICATIONS SYSTEM AND APPARATUS THEREFOR - A method for performing measurement by a terminal in a wireless communications system according to an embodiment of the present invention includes the steps of: receiving from a first transmission point the uplink-downlink structures associated respectively with a second transmission point and a third transmission point; and determining at least one measurement set based on the received uplink-downlink structures, wherein each measurement set consists of the sub-frames that: the duplex direction combination during a particular time interval in the case of following the uplink-downlink structure associated with the second transmission point is the same as the duplex direction combination during the particular time interval in the case of following the uplink-downlink structure associated with the third transmission point. | 02-18-2016 |
20160050648 | METHOD AND APPARATUS FOR REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM - One embodiment of the present invention provides a method for reporting channel state information (CSI) of a terminal in a wireless communication system, comprising the steps of: receiving a downlink signal comprising an uplink grant; when a CSI request field contained in the downlink signal triggers a CSI report, deriving a CQI value on the basis of a PDSCH transmission block in a CSI reference resource; and carrying out a CSI report including the CQI value in subframe n, wherein the CSI reference resource is the last subframe that is not later than a subframe which is four subframes before subframe n. | 02-18-2016 |
20160056877 | METHOD AND APPARATUS FOR REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM - One embodiment of the present invention relates to a method by which a terminal reports channel state information (CSI) in a wireless communication system, the method comprising: a step of receiving a downlink signal including an uplink approval; and a step of reporting CSI when a CSI request field included in the downlink signal triggers CSI reporting. The CSI reporting trigger also indicates which sub-frame set of a plurality of sub-frame sets assigned to the terminal which the CSI reporting is related to. | 02-25-2016 |
20160057759 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A method for transmitting and receiving a signal in a wireless communication system according to an embodiment of the present invention, comprises the steps of: setting, by a first transmission point, a frequency resource area in at least one subframe; and transmitting information related to the set frequency resource area to a second transmission point, wherein when the first transmission point transmits a physical downlink shared channel (PDSCH) in the set frequency resource area, a ratio of a PDSCH energy per resource element (EPRE) to a cell-specific reference signal (CRS) EPRE in the set frequency resource area is less than a ratio of a PDSCH EPRE to a CRS EPRE in resource areas other than the set frequency resource area. | 02-25-2016 |
20160063924 | THIN FILM TRANSISTOR SUBSTRATE AND DISPLAY USING THE SAME - The present disclosure relates to a thin film transistor substrate having two different types of thin film transistors on the same substrate and a display using the same. A disclosed display device may include a substrate, a first thin film transistor including a first semiconductor layer having a polycrystalline semiconductor material on the substrate, and a second thin film transistor including a second semiconductor layer including an oxide semiconductor material on the substrate. Both the first semiconductor layer and the second semiconductor layer may be disposed directly on a same underlying layer. | 03-03-2016 |
20160064465 | THIN FILM TRANSISTOR SUBSTRATE AND DISPLAY USING THE SAME - The present invention relates to a thin film transistor substrate having two different types of semiconductor materials on the same substrate, and a display using the same. A disclosed display may include a substrate, a first thin film transistor having a polycrystalline semiconductor material on the substrate and a second thin film transistor having an oxide semiconductor material on the substrate. | 03-03-2016 |
20160073354 | METHOD AND APPARATUS FOR TRANSMITTING UPLINK SIGNAL IN WIRELESS COMMUNICATION SYSTEM - One embodiment of the present invention provides a method for transmitting an uplink signal by a terminal in a wireless communication system, comprising the steps of: receiving allocated resources for transmitting an uplink signal from a serving cell; and transmitting the uplink signal through the allocated resources wherein, when a subframe corresponding to a first subframe comprising the allocated resources is used for transmitting a downlink in a neighbor cell of the serving cell, a first set comprising a parameter value associated with the transmission power for transmitting the uplink signal is different from a second set comprising a parameter value associated with the transmission power for transmitting an uplink signal in a second subframe corresponding to a subframe used for an uplink in the neighbor cell. | 03-10-2016 |
20160095131 | METHOD FOR PERFORMING MEASUREMENT IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - One embodiment of the present invention comprises a method for a terminal performing a measurement in a wireless communication system. The method for performing a measurement comprises the steps of: a terminal performing a measurement in a particular resource area and transmitting the measurement result to a base station; and receiving information regarding a first signal from the base station, wherein if the terminal is configured to select the resource to be used for transmitting the first signal, the information regarding the first signal includes a resource pool that is determined on the basis of the measurement result. | 03-31-2016 |
20160112172 | METHOD AND APPARATUS FOR ACQUIRING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method for acquiring control information by a device-to-device (D2D) terminal in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining a resource region in which control information is transmitted on the basis of a D2D occupied bandwidth; and acquiring the control information from the resource region. | 04-21-2016 |
20160112178 | METHOD AND APPARATUS FOR FDD/TDD INTRA-NODE AND INTER-NODE CARRIER AGGREGATION - Methods and apparatuses for TDD/FDD aggregation are described. The Method thereto comprises receiving information on uplink scheduling, wherein the uplink scheduling is a scheduling on uplink transmission configured with a carrier aggregation of a primary cell (PCell) with TDD and a secondary cell (SCell) of FDD or a carrier aggregation of a PCell with FDD and a SCell with TDD and transmitting uplink signal based on the uplink scheduling. | 04-21-2016 |
20160112960 | METHOD FOR CONTROLLING TRANSMISSION POWER OF SOUNDING REFERENCE SIGNAL AND APPARATUS FOR SAME - Disclosed in the present application is a method for transmitting a sounding reference signal (SRS) from a terminal to a base station in a wireless communication system. More specifically, the method comprises a step of establishing a first subframe set and a second subframe set through an upper layer; a step of receiving, from the base station, a triggering indicator of the sounding reference signal; and a step of transmitting the sounding reference signal from a specific subframe to the base station, according to the triggering indicator, wherein each of the first subframe set and the second subframe set is associated with a power control process for transmitting an uplink data channel, and wherein the transmission power of the sounding reference signal is determined according to the bit size and/or the field value of the triggering indicator. | 04-21-2016 |
Patent application number | Description | Published |
20130078913 | METHOD OF TERMINAL TRANSMITTING SOUNDING REFERENCE SIGNAL ON THE BASIS OF APERIODIC SOUNDING REFERENCE SIGNAL TRIGGERING AND METHOD FOR CONTROLLING UPLINK TRANSMISSION POWER TO TRANSMIT APERIODIC SOUNDING REFERENCE SIGNAL - The method of the terminal transmitting the SRS on the basis of the aperiodic SRS triggering according to the present invention comprises the steps of: receiving a plurality of aperiodic SRS configuration information from the base station; receiving an aperiodic SRS transmission triggering indicator from the base station; selecting the specific aperiodic SRS configuration information among the plurality of aperiodic SRS configuration information on the basis of at least one among a sub-frame index for receiving the aperiodic SRS transmission triggering indicator, a time relation between the aperiodic SRS transmission sub-frames, and an uplink channel state; and transmitting an aperiodic SRS for the aperiodic SRS transmission triggering indicator on the basis of the selected aperiodic SRS configuration information, the plurality of aperiodic SRS configuration information including the information about a resource for transmitting the aperiodic SRS corresponding to the aperiodic SRS transmission triggering indicator. In addition, according to the present invention, the terminal can be used for receiving a power offset value for transmitting the aperiodic SRS from the base station and determining a transmission power value for transmitting the aperiodic SRS. | 03-28-2013 |
20130094479 | METHODS FOR TRANSMITTING AND RECEIVING CHANNEL STATE INFORMATION (CSI) AND APPARATUSES THEREOF - A method for transmitting, by a user equipment (UE), a channel state information (CSI) in a wireless communication system is disclosed. The method includes receiving control information about a transmission of the CSI from a serving eNodeB, allocating a CSI combination composed of different CSIs to one subframe based on the received control information, and transmitting the CSI combination to the serving eNodeB in the allocated subframe, wherein the control information includes information on a maximum payload size of a CSI being able to be transmitted in one subframe, a transmission period and a transmission start time point of the CSI combination, and a transmission period and a transmission start time point of each of the different CSIs. | 04-18-2013 |
20130114498 | METHODS FOR TRANSMITTING AND RECEIVING DOWNLINK DATA IN MBSFN SUBFRAME AND APPARATUSES THEREOF - A method for receiving a downlink signal from a base station (BS) in a multicast broadcast single frequency network (MBSFN) subframe is disclosed. The method is performed by a user equipment (UE) and includes receiving information indicating an MBSFN subframe configured as an almost blank subframe (ABS) (ABS MBSFN subframe) among MBSFN subframes of which a data region is allocated a reduced transmission power lower than a transmission power in a data region of a normal subframe, and demodulating the downlink signal received in the data region of the ABS MBSFN subframe based on a cell-specific reference signal (CRS) in a control region of the ABS MBSFN subframe according to the information. | 05-09-2013 |
20130148622 | METHOD AND DEVICE FOR RELAY NODE RETRANSMITTING BACKHAUL UPLINK TO BASE STATION IN A WIRELESS COMMUNICATION SYSTEM - The present invention discloses a method for a relay node configuring a backhaul uplink hybrid automatic repeat and request (HARQ) process in a wireless communication system. More particularly, the present invention comprises the following steps: receiving from a base station a backhaul downlink subframe pattern and a HARQ process offset value; allocating a backhaul uplink subframes, based on the backhaul downlink subframe pattern excluding the subframe which is set to an access downlink subframe; applying the HARQ process offset value to the number of HARQ processes corresponding to the backhaul downlink subframe pattern; and configuring HARQ process identifiers to the allocated backhaul uplink subframes, wherein each of the configured HARQ process identifiers have a predetermined roundtrip time (RTT) value. | 06-13-2013 |
20130155942 | METHOD AND DEVICE FOR USER EQUIPMENT TRANSMITTING ACK/NACK SIGNALS TO RELAY NODE IN A WIRELESS COMMUNICATION SYSTEM - The present invention discloses a method for a user equipment transmitting acknowledgement/negative-ACK (AC/NACK) signals to a relay node in a wireless communication system. More particularly, the present invention comprises the following steps: setting an uplink subframe pattern including uplink blocked subframes and uplink non-blocked subframes, and selecting an ACK/NACK reception factor for each of the uplink subframes; receiving data from the relay node through at least one downlink subframe; and repeatedly transmitting ACK/NACK signals corresponding to the data, based on the uplink subframe pattern and the ACK/NACK reception factor, wherein when the uplink subframe for receiving the ACK/NACK signal is a specific uplink blocked subframe, the ACK/NACK signals are received by the non-blocked subframes allocated to the user equipment, following the specific uplink blocked subframe. | 06-20-2013 |
20130250847 | METHOD AND DEVICE FOR A RELAY NODE TO TRANSMIT A SOUNDING REFERENCE SIGNAL TO A BASE STATION IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method for a relay node (RN) to transmit a sounding reference signal (SRS) to a base station in a wireless communication system. The method for SRS transmission includes: receiving the backhaul downlink subframe setting information from the base station; allocating backhaul uplink subframes on the basis of the received backhaul downlink subframe setting information; receiving uplink subframe setting information; receiving uplink subframe setting information for SRS transmission from the base station; receiving an indicator for triggering the SRS transmission from the base station; and, if a first uplink subframe from among the uplink subframes for the SRS transmission is the backhaul uplink subframe, transmitting the SRS from the first uplink subframe to the base station; or, if the first uplink subframe is not the backhaul uplink subframe is not the backhaul uplink subframe, not transmitting the SRS to the base station; or transmitting the SRS from a second uplink subframe, which is backhaul uplink subframe from among the uplink subframes for the SRS transmission and is subsequently the closest to the first uplink subframe, to the base station. | 09-26-2013 |
20130272158 | METHOD OF CONTROLLING UPLINK TRANSMISSION POWER AT UE IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREOF - A method of determining uplink transmission power at a user equipment (UE) in a wireless communication system is disclosed. The method includes receiving channel status information-reference signal (CSI-RS) settings and downlink transmission power values for a plurality of transmission points (TPs) from a higher layer, receiving CSI-RSs from the plurality of TPs, estimating path loss values corresponding to the plurality of TPs based on the received CSI-RSs, determining the uplink transmission power using the estimated path loss values, and transmitting an uplink signal to one or more of the plurality of TPs based upon the determined uplink transmission power. | 10-17-2013 |
20130272189 | METHOD FOR TRANSMITTING UPLINK CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - The present invention relates to a method for allocating a resource which enables a relay node to transmit uplink control information to a base station in a wireless communication system. Specifically, the method for allocating the resource include the steps of: generating a control information sequence for a backhaul downlink sub-frame between a relay node and a base station; setting symbols for mapping the control information sequence when a plurality of symbols are punctured at a front end or a rear end of a backhaul uplink sub-frame between the relay node and the base station; and performing the time-first-mapping for the control information sequence with respect to resource elements corresponding to the set symbols in a descending order of sub-carrier indexes. | 10-17-2013 |
20130272261 | METHOD FOR MITIGATING INTER CELL INTERFERENCE AND DEVICE THEREFOR - The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device therefor, wherein the method comprises the steps of: receiving a PDCCH signal that contains scheduling information from a base station on a first subframe; receiving a PDSCH signal corresponding to said PDCCH signal from said base station on a second subframe; and decoding said PDSCH signal, wherein an interval between said first subframe and said second subframe is varied. | 10-17-2013 |
20130279424 | METHOD FOR A TERMINAL TO TRANSMIT CHANNEL STATE INFORMATION TO A BASE STATION IN A RADIO COMMUNICATION SYSTEM, AND DEVICE FOR SAME - A method for a terminal to allocate a resource for transmitting uplink control information to a serving base station (BS) in a radio communication system includes when a report of at least one periodic RI and a report of at least one aperiodic RI occur in the same subframe, mapping the at least one periodic RI and the at least one aperiodic RI into a physical uplink shared channel of the subframe and transmitting the mapped at least one periodic RI and at least one aperiodic RI to the serving BS. The at least one aperiodic RI may correspond to at least one component carrier wave in each of the serving BS and an adjacent BS for CoMP transmission of the serving BS and the adjacent BS, and the at least one periodic RI may correspond to at least one component carrier wave for non-CoMP transmission in the serving BS. | 10-24-2013 |
20130286906 | METHOD FOR SIGNALING A SUBFRAME PATTERN FOR PREVENTING INTER-CELL INTERFERENCE FROM OCCURRING IN HETEROGENEOUS NETWORK SYSTEM AND APPARATUS FOR THE SAME - A method for setting an almost blank subframe (ABS) pattern in a base station of a wireless communication system is disclosed. The method comprises receiving an ABS bitmap pattern from a neighboring base station; setting the ABS pattern of the base station by repeating the ABS bitmap pattern within a previously set number of radio frames; receiving an offset value indicating an application start point of an updated ABS bitmap pattern and an application start of the updated ABS bitmap pattern from the neighboring base station; and setting the ABS pattern of the base station by repeating the updated ABS bitmap pattern from a start subframe of a specific radio frame indicated by the offset value. | 10-31-2013 |
20130286931 | METHOD AND DEVICE FOR TRANSMITTING AN UPLINK SIGNAL FROM A RELAY NODE TO A BASE STATION IN A WIRELESS COMMUNICATION SYSTEM - The present application discloses a method for transmitting an uplink signal from a relay node to a base station in a wireless communication system. In detail, the method comprises the steps of: setting backhaul uplink subframes on the basis of a plurality of pieces of subframe setting information received from the base station; and transmitting the uplink signal to the base station on the basis of an uplink grant in a particular backhaul uplink subframe among the set backhaul uplink subframes, wherein the uplink grant is received at a backhaul downlink subframe which exists within a preset period of time (T) from the particular backhaul uplink subframe, and the backhaul downlink subframes is not an access downlink subframe. | 10-31-2013 |
20130286933 | METHOD AND APPARATUS FOR TRANSMITTING CHANNEL STATUS INFORMATION TO MACRO BASE STATION BY RELAY NODE IN WIRELESS COMMUNICATION SYSTEM TO WHICH CARRIER AGGREGATION IS APPLIED - A method and apparatus for transmitting channel status information (CSI) to a macro eNB (MeNB) by a relay node (RN) in a wireless communication system to which carrier aggregation is applied are disclosed. The method includes receiving a CSI reporting request corresponding to a specific secondary component carrier (CC) from the transmitter through a primary CC, establishing a reference resource for the CSI in association with one or more secondary CCs indicated by the CSI reporting request, and transmitting CSIs of the one or more secondary CCs to the transmitter through the specific secondary CC, using the established reference resource. The reference resource is set to the nearest subframe serving as a valid downlink subframe from a reception time point of the CSI reporting request. | 10-31-2013 |
20130294352 | METHOD OF TRANSMITTING AND RECEIVING CHANNEL STATUS INFORMATION ON MULTI-CELL OPERATION IN A WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR THE SAME - The present invention relates to a wireless communication system. And, a method of transmitting and receiving channel status information on a multi-cell operation in a wireless communication system and apparatus for the same are disclosed. The present invention may include determining a report type of channel status information on multi-cell operation and transmitting/receiving the channel status information corresponding to the determined channel status information report type via uplink data channel. | 11-07-2013 |
20130294393 | METHOD FOR REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - The present invention relates to a method for enabling a terminal to report channel state information in a wireless communication system for supporting coordinated multi point (CoMP) transmission. Specifically, the method for enabling the terminal to report the channel state information in the wireless communication system for supporting CoMP transmission includes the steps of: receiving a reference signal from a serving cell and one or more cooperated cells; forming the channel state information for the CoMP transmission on the basis of the reference signal; and reporting the channel state information through a physical uplink shared channel to the serving cell, wherein the channel state information includes channel quality indicator (CQI) information and precoding matrix index (PMI) information, and the CQI information includes a wideband CQI and a CQI for each selected sub-band of the CoMP transmission. | 11-07-2013 |
20130308523 | METHOD FOR CONFIGURING A BACKHAUL LINK SUBFRAME IN A WIRELESS COMMUNICATION SYSTEM TO WHICH A CARRIER AGGREGATION SCHEME IS APPLIED AND AN APPARATUS FOR THE SAME - A method for configuring a backhaul link subframe in a wireless communication system to which a carrier aggregation scheme is applied and an apparatus for the same are disclosed. The method comprises determining one of a plurality of subframe configurations as a first subframe configuration for a primary component carrier allocated to the relay node; configuring subframe configuration candidates for one or more secondary component carriers allocated to the relay node on the basis of the determined first subframe configuration; determining a second subframe configuration for each of the one or more secondary component carriers by using the configured subframe configuration candidates; and transmitting and receiving a signal to and from the relay node in accordance with the first subframe configuration and the second subframe configuration. | 11-21-2013 |
20130315135 | METHOD AND DEVICE FOR SETTING BACKHAUL LINK SUBFRAME IN WIRELESS COMMUNICATION SYSTEM HAVING CARRIER AGGREGATION TECHNIQUE APPLIED THERETO - Disclosed in the present invention is a method for a base station to set a backhaul link subframe for a relay node in a wireless communication system, to which a carrier aggregation technique is applied. More particularly, the present invention comprises the steps of: determining one of the plurality of subframe settings as a first subframe setting for a main component carrier allocated to the relay node; composing subframe setting candidates for one or more subcomponent carriers allocated to the relay node, one the basis of the determined first subframe setting; and determining a second subframe setting for each of the one or more subcomponent carriers, using the composed subframe setting candidates, wherein a subframe aggregation according to the first subframe setting and subframe aggregations according to each of the subframe setting candidates do not overlap when downlink subframes and uplink subframes of the different component carriers are identical, and a downlink subframe aggregation according to the second subframe setting is included in a downlink subframe aggregation according to the first subframe setting. | 11-28-2013 |
20130315184 | METHOD FOR TRANSMITTING/RECEIVING CONTROL CHANNEL IN MULTICELL COOPERATIVE WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - Disclosed is a method for a terminal to receive a control channel in a wireless communication system. More particularly, the present invention comprises the steps of: receiving a common control channel from a base station; determining an effective channel between the base station and the terminal according to a flag bit of the terminal being indicated in the common control channel; and receiving a terminal specific control channel from the base station on the basis of the effective channel, wherein the terminal specific control channel is space-multiplexes with terminal specific control channels of other terminals controlled by the base station. | 11-28-2013 |
20130315186 | METHOD FOR TRANSMITTING CONTROL CHANNEL IN MULTICELL COOPERATIVE WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - Disclosed is a method for transmitting a control channel in a multicell cooperative wireless communication system. More particularly, the present invention comprises the steps of: a 1 | 11-28-2013 |
20130336299 | RETRANSMISSION METHOD FOR DYNAMIC SUBFRAME SETTING IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - Disclosed is a method for allowing a terminal to transmit and receive signals to and/from a base station in a wireless communication system using a time division multiplexing method. Specifically, the method comprises the steps of: receiving a request signal for resetting into a second uplink/downlink setting while transmitting and receiving a signal according to a first uplink/downlink setting; terminating an uplink retransmission process associated with a specific uplink subframe when the use of the specific uplink subframe is changed into a downlink subframe according to the second uplink/downlink setting; and applying the second uplink/downlink setting at a specific time point to transmit and receive signals. | 12-19-2013 |
20130336302 | DYNAMIC SUBFRAME SETTING METHOD FOR WIRELESS COMMUNICATION SYSTEM, AND DEVICE FOR SAME - The present application discloses a method for a terminal to transmit/receive signals to/from a base station in a wireless communication system. Specifically, the method comprises a first step in which an uplink signal is transmitted from a first subframe and a downlink signal is received from a second subframe, and a second step in which a downlink signal is received from the first subframe and the second subframe if the first subframe has changed so as to be used for the reception of a downlink signal; and the method is characterized in that in the first step a protection space is located between the first subframe and the second subframe, in the second step the protection space is located at the front end of the first subframe, and the first subframe and the second subframes are consecutive. | 12-19-2013 |
20130343322 | METHOD FOR TRANSMITTING UPLINK CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM AND DEVICE FOR SAME - The present invention relates to a method for a receiving terminal to transmit uplink control information to a transmitting terminal in a wireless communication system. In more detail, the method for transmitting the uplink control information includes: mapping the uplink control information into at least one available symbol included in each of a first slot and a second slot of a specific subframe; applying a first orthogonal sequence corresponding to the first slot to the uplink control information mapped into the first slot and a second orthogonal sequence corresponding to the second slot to the uplink control information mapped into the second slot; and transmitting the uplink control information having the orthogonal sequence applied to the transmitting terminal. The first orthogonal sequence corresponds to the number of available symbols in the first slot and the second orthogonal sequence corresponds to the number of available symbols in the second slot. | 12-26-2013 |
20140003387 | METHOD AND DEVICE FOR TERMINAL TO TRANSMIT/RECEIVE SIGNAL IN WIRELESS COMMUNICATION SYSTEM HAVING CARRIER AGGREGATION TECHNIQUE APPLIED THERETO | 01-02-2014 |
20140029573 | METHOD FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present invention relates to a wireless communication system, more specifically to a method for transmitting control information and a device therefor. The wireless communication system can support carrier aggregation. The present invention relates to a method for transmitting information from a terminal to a base station in a wireless communication system, which includes a step for receiving first information for cross carrier scheduling through at least one primary cell among serving cells formed in a terminal from the base station, and a step for transmitting second information about a secondary cell related to at least one first information among serving cells to the base station through an uplink resource of the primary cell. | 01-30-2014 |
20140036740 | METHOD AND DEVICE FOR SETTING BACKHAUL LINK SUBFRAME IN WIRELESS COMMUNICATION SYSTEM HAVING CARRIER AGGREGATION TECHNIQUE APPLIED THERETO - Disclosed in the present invention is a method for a base station to set a backhaul link subframe for a relay node in a wireless communication system, to which a carrier aggregation technique is applied. More particularly, the present invention comprises the steps of: determining one of the plurality of subframe settings as a first subframe setting for a main component carrier allocated to the relay node; composing subframe setting candidates for one or more subcomponent carriers allocated to the relay node, one the basis of the determined first subframe setting; and determining a second subframe setting for each of the one or more subcomponent carriers, using the composed subframe setting candidates, wherein a subframe aggregation according to the first subframe setting and subframe aggregations according to each of the subframe setting candidates do not overlap when downlink subframes and uplink subframes of the different component carriers are identical, and a downlink subframe aggregation according to the second subframe setting is included in a downlink subframe aggregation according to the first subframe setting. | 02-06-2014 |
20140044084 | METHOD FOR ENABLING TERMINAL TO TRANSMIT ACK/NACK RESPONSE IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - The present application relates to a method for enabling a terminal to transmit an uplink ACK/NACK (Acknowledgement/negative ACK) response to a base station in a time-division multiplexing wireless communication system. Specifically, the method includes the steps of: receiving a setting for an uplink-downlink subframe from the base station; receiving downlink control information and downlink data information scheduled through the downlink control information, from the base station based on the setting for the uplink-downlink subframe; and transmitting an ACK/NACK response for the downlink data information to the base station, wherein the subframe to which the ACK/NACK response is transmitted is determined according to whether an ending symbol of the downlink control information is after a particular symbol of the sub-frame for receiving the downlink control information. | 02-13-2014 |
20140064237 | METHOD AND DEVICE FOR TERMINAL TO EXECUTE UPLINK HARQ OPERATION IN WIRELESS COMMUNICATION SYSTEM - Disclosed in the present invention is a method for a terminal to receive an acknowledgement/negative-ACK (ACK/NACK) from a base station in a wireless communication system. More specifically, the method comprises the steps of receiving from the base station, through a first carrier wave, scheduling information on uplink data to be transmitted through a second carrier wave, transmitting the uplink data to the base station through the second carrier wave, and receiving an ACK/NACK signal for the uplink data from the base station, in one specific subframe from the first carrier wave or the second carrier wave. | 03-06-2014 |
20140071931 | METHOD AND DEVICE FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a wireless communication system and, more particularly, to a method and a device for transmitting control information. The wireless communication system supports carrier aggregation (CA). One aspect of the present invention relates to a method for a base station to receive information from a terminal in a wireless communication system, and comprises the steps of: dividing the entire bandwidth used by one or more serving cells configured in the base station and the terminal, into predetermined frequency units; carrying out a carrier sensing operation for each of the plurality of bandwidths divided in the predetermined frequency units; and when the result of the carrier sensing operation for a first bandwidth from the plurality of divided bandwidths is maintained idle for a predetermined time or longer, transmitting first information to the terminal using the first bandwidth; and receiving from the terminal, second information on a second cell (SCell) related to the first information from the one or more serving cells. | 03-13-2014 |
20140112263 | METHOD FOR SETTING DYNAMIC SUBFRAME IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - Disclosed in the present invention is a method for a terminal to transmit/receive a signal from a base station in a wireless communication system. More particularly, the present invention comprises the steps of: receiving through a physical control channel for receiving from the base station an indicator for changing a specific subframe set for one of the uses from a downlink resource and an uplink resource to another one of the uses; and according to the indicator, transmitting a signal to the base station from the specific subframe, or receiving a signal from the base station. | 04-24-2014 |
20140126512 | METHOD AND APPARATUS FOR TRANSCEIVING A DOWNLINK HARQ IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transceiving a downlink hybrid automatic repeat (HARQ). According to one embodiment of the present invention, a method for setting an HARQ process by a terminal in a wireless communication system may comprise the steps of: receiving, from a base station, limited-resource information indicating a resource the use of which for downlink transmission to the terminal is limited; determining an HARQ process to be activated on the basis of the limited-source information; and performing an HARQ operation for the downlink transmission by means of the HARQ process to be activated. | 05-08-2014 |
20140133336 | CHANNEL STATE INFORMATION TRANSMITTING METHOD AND USER EQUIPMENT, AND CHANNEL STATE INFORMATION RECEIVING METHOD AND BASE STATION - One embodiment of the present invention discloses a method for allowing user equipment (UE), which can receive channel state information reference signals from a plurality of antenna ports, to transmit channel state information to at least one base station that controls the plurality of antenna ports. The method comprises the following steps: receiving power information of each of the plurality of antenna ports from the at least one base station; calculating channel state information on the at least one base station on the basis of the received power information and channel state information reference signals received from the plurality of antenna ports; and transmitting the calculated channel state information to the at least one base station. | 05-15-2014 |
20140161090 | METHOD OF OPERATING AN HARQ BUFFER FOR A DYNAMIC SUB-FRAME CHANGE AND AN APPARATUS FOR SAME - The present invention relates to a method of supporting a Hybrid Automatic Repeat and request (HARQ) scheme of a reception end for supporting a dynamic resource change in a wireless communication system. In particular, the method includes the steps of receiving a change message for changing a currently applied first subframe setting to a second subframe setting from a transmission end, and transmitting and receiving a signal to and from the transmission end according to the second subframe setting, wherein a plurality of subframe settings including the first and second subframe settings are divided into one or more groups, the first and second subframe settings belongs to an identical group, and the HARQ scheme is applied according to the group-specific maximum number of HARQ processes and a soft buffer size for each HARQ process when the subframe setting is changed according to the change message. | 06-12-2014 |
20140219238 | METHOD AND USER EQUIPMENT FOR TRANSMITTING CHANNEL STATE INFORMATION AND METHOD AND BASE STATION FOR RECEIVING CHANNEL STATE INFORMATION - Disclosed herein is a method for, at a user equipment (UE) capable of being served by a plurality of base stations, transmitting channel state information to at least one of the base stations in a wireless communication system. The method includes receiving resource allocation information on allocation of time-frequency resources used to transmit supplemental channel state information for a neighboring base station from a serving base station of the UE, and transmitting supplemental channel state information for the neighboring base station to the serving base station, using part of time-frequency resources allocated for transmission of channel state information for the serving base station, based on the resource allocation information. | 08-07-2014 |
20140233518 | METHOD IN WHICH A TERMINAL TRANSCEIVES A SIGNAL IN A WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - The present application relates to a method in which a terminal receives a signal in a wireless communication system. More particularly, the method comprises: a step of receiving, from a serving cell, interference mitigation information for mitigating interference from a neighboring cell; and a step of applying an interference mitigation technique based on the interference mitigation information so as to receive a signal from the serving cell. It is assumed that the serving cell does not apply said interference mitigation technique from after the reception of the interference mitigation information to the application of the interference mitigation technique. | 08-21-2014 |
20140242995 | METHOD IN WHICH A TERMINAL TRANSCEIVES A SIGNAL IN A WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - The present application relates to a method in which a terminal transceives a signal in a wireless communication system. More particularly, the method comprises: a step of transmitting a measurement report on one or more neighboring base stations to a serving base station; a step of receiving a handover command message on a target base station from among said one or more neighboring base stations; and a step of performing handover to said target base station according to said handover command message. The handover command message includes an interference message received from said serving base station after performing said handover. | 08-28-2014 |
20140254531 | METHOD FOR MITIGATING INTER-CELL INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present application provides a method for allowing a cell to remove inter-cell interference in a wireless communication system. Specifically, said method comprises the steps of: receiving, from neighboring cells, time resource interference information on a first subframe type and a second subframe type; receiving, from said neighboring cells, first frequency resource interference information corresponding to said first subframe type and second frequency resource interference information corresponding to said second subframe type; and performing downlink communication and uplink communication by using said first frequency resource interference information, said second frequency resource interference information, and said time resource interference information. | 09-11-2014 |
20140254537 | METHOD AND APPARATUS FOR CONTROLLING INTER-CELL INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM - A method for transmitting reduced power-almost blank subframe (r-ABS) setting information from a first cell to a second cell, according to one embodiment of the present invention, comprises a step of the first cell transmitting to the second cell r-ABS pattern information for indicating the r-ABS which is setup by the first cell, and r-ABS power indication information for indicating transmission power of a physical downlink shared channel (PDSCH) of the first cell from the r-ABS, wherein the PDSCH transmission power of the first cell can be set to a transmission power which is low compared to a common subframe. | 09-11-2014 |
20140269595 | METHOD AND DEVICE FOR RECEIVING OR TRANSMITTING DOWNLINK CONTROL SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for receiving and transmitting downlink control information in a wireless communication system are disclosed. The method for receiving a downlink control signal by a user equipment (UE) in a wireless communication system includes: receiving an Enhanced Physical Downlink Control Channel (EPDCCH) from a downlink serving base station (BS); and monitoring a plurality of EPDCCH candidates in an EPDCCH set contained in the received EPDCCH, wherein a minimum aggregation level (AL) of the EPDCCH candidates is associated with a downlink (DL) bandwidth of the wireless communication system and downlink control information (DCI) format. | 09-18-2014 |
20140269597 | METHOD FOR DETERMINING TRANSMISSION POWER INFORMATION OF DOWNLINK SUBFRAME AND APPARATUS THEREFOR - A method for an eNB to transmit a downlink signal to a User Equipment (UE) is disclosed. The method includes transmitting information about a data transmission power within an OFDM symbol in a data region of a downlink subframe to the UE. The information about the data transmission power is determined according to a specific condition and the specific condition includes at least one of presence/absence of a Cell-specific Reference Signal (CRS) within the symbol and a modulation scheme or a Modulation and Coding Scheme (MCS) of the symbol. The downlink subframe is a Non-Zero Power Almost Blank Subframe (NZP ABS) in which signals are transmitted at a lower transmission power than a transmission power of a normal subframe on downlink. | 09-18-2014 |
20140293820 | METHOD AND APPARATUS FOR CONTROLLING INTER-CELL INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM - A method for supporting a measurement of a user equipment, according to one embodiment, comprising the steps of: a second cell deciding at least one measurement resource set with respect to the user equipment, based on subframe setting information of a first cell and/or transmission power information of the first cell; and the second cell transmitting to the user equipment information for indicating the at least one measurement resource set that is decided, wherein the subframe setting information of the first cell can include setting information with respect to a first almost blank subframe (ABS) and a second ABS. | 10-02-2014 |
20140301330 | METHOD FOR ALLOWING TERMINAL TO PERFORM RANDOM ACCESS STEP IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present invention relates to a method for allowing a terminal to perform a random access procedure in a wireless communication system and a device therefor. Specifically, the method for allowing a terminal to perform a random access procedure in a wireless communication system comprises the steps of: setting a first search space for a first downlink control channel and/or a second search space for a second downlink control channel according to control channel configuration information of a terminal; and detecting a downlink data channel by blind decoding the first search space and/or the second search space, wherein the first downlink control channel and the second downlink control channel are detected by using different indicators. | 10-09-2014 |
20140302866 | METHOD FOR ALLOWING TERMINAL TO DETERMINE UPLINK TRANSMISSION POWER IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present invention relates to a method for determining uplink transmission power of a terminal in a wireless communication system and a device therefore. Specifically, the method for allowing a terminal to determine uplink transmission power in a wireless communication system comprises the steps of: receiving information for determining uplink transmission power from an upper layer; measuring a path loss value for base stations, which participate in cooperate communication, on the basis of information for determining transmission power, on the basis of the received information for determining the transmission power and the measured path loss value, wherein the information for determining the transmission power is information for channel estimation of at least one base station which participates in the cooperative communication. | 10-09-2014 |
20140348098 | METHOD FOR TRANSMITTING AND RECEIVING SIGNAL BASED ON DYNAMIC CHANGE OF WIRELESS RESOURCE IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - The present application relates to a method for enabling a terminal to transmit or receive a signal to or from a base station in a wireless communication system. Specifically, the method comprises the steps of: acquiring at least one amongst a downlink grant and an uplink grant in a specific sub-frame; determining the use of a dynamic sub-frame which is changeable for the dynamic use on the basis of the acquired grant information as one amongst an uplink transmission or a downlink reception; and transmitting or receiving the signal to or from the base station according to the determined use. | 11-27-2014 |
20140362758 | METHOD FOR SETTING SEARCH REGION TO DETECT DOWNLINK CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - In the present application, disclosed a method for a terminal setting a search region for a downlink channel in a wireless communication system. More specifically, the method comprises the steps of receiving from a base station information related to a starting symbol of the search region by way of upper layer signaling; setting the search region by using the information related to the starting symbol; and receiving the downlink control channel by performing blind coding on the search region, wherein the starting symbol of the search region changes according to the characteristic of a subframe which receives the downlink control channel. | 12-11-2014 |
20140362796 | METHOD AND APPARATUS FOR ALLOCATING CHANNELS RELATED TO UPLINK BUNDLING - A new PHICH channel and a new PDCCH channel are allocated when the location of a subframe to be used in transmission changes by the change in the configuration of the subframe caused by a dynamic uplink/downlink configuration in a subframe bundling transmission mode. In the event that a subframe is successfully transmitted in a subframe bundling mode, the location of the subframe that has been successfully transmitted is determined as a reference in determining the point of time of the response to the bundling transmission. In addition, the bundling transmission following the subframe that has been successfully transmitted can be omitted. | 12-11-2014 |
20140370908 | METHOD FOR REDUCING INTER-CELL INTERFERENCE IN COOPERATIVE MULTI-CELL WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SAME - The present invention relates to a method for reducing inter-cell interference in a wireless communication system and to an apparatus for same. More specifically, a method for reducing the inter-cell interference between serving cells in the cooperative multi-cell wireless communication system comprises the steps of: receiving from an adjacent cell interference information on a specific wireless resource region; and reducing interference with respect to the specific wireless resource region based on the interference information, wherein the specific wireless resource region is a wireless resource region that the serving cell uses by changing the purpose of a wireless resource. | 12-18-2014 |
20140376486 | METHOD FOR EXECUTING RANDOM ACCESS PROCEDURE IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - Disclosed is a method for a terminal to execute a random access procedure in a wireless communication system. Specifically, the method comprises the steps of: transmitting a random access preamble message to one or more nodes; receiving a random access response message from a serving cell from among the one or more nodes; and transmitting an uplink signal to a different node from among the one or more nodes, wherein the random access response message comprises information for transmitting the uplink signal to the different node. | 12-25-2014 |
20150016318 | METHOD FOR OPERATING HARQ TO CHANGE DYNAMIC RESOURCE OF WIRESS RESOURCE IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR - The present application discloses a method for executing a hybrid automatic repeat and request (HARQ) process from a particular layer at a receiving end in a wireless communication system. Specifically, the method comprises the steps of: receiving predetermined information regarding one or more HARQ processes from a subordinate layer so as to change a configuration of a previously configured first uplink/downlink subframe configuration to a configuration of a second uplink/downlink subframe configuration; and processing one or more HARQ processes on the basis of the predetermined information when changing to the second uplink/downlink subframe configuration, wherein the one or more HARQ processes are HARQ processes, from among the HARQ processes linked to the first uplink/downlink subframe configuration, which cannot be linked to the second uplink/downlink subframe configuration. | 01-15-2015 |
20150016371 | METHOD FOR TERMINAL RECEIVING DOWNLINK SIGNAL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - The present invention relates to a method for receiving a downlink signal in a wireless communication system and an apparatus for same. More specifically, a method for a terminal receiving the downlink signal in the wireless communication system supporting a coordinated multi-point (CoMP) action comprises the steps of: receiving from a serving cell which operates according to a first uplink-downlink setting monitoring information with respect to an adjacent cell which operates according to a second uplink-downlink setting; and detecting control information of the adjacent cell based on the monitoring information, wherein the first uplink-downlink setting and/or the second uplink-downlink setting is a setting established by changing a portion of a wireless resource according to a specific predetermined uplink-downlink setting. | 01-15-2015 |
20150023145 | METHOD FOR TRANSMITTING AND RECEIVING SIGNAL ON BASIS OF DYNAMIC CHANGE IN WIRELESS RESOURCE IN WIRELESS COMMUNICATION SYSTEM TO WHICH CARRIER AGGREGATION SCHEME IS APPLIED, AND DEVICE THEREFORE - A method for transmitting and receiving a signal by a terminal a wireless communication system is disclosed in the present invention. More particularly, the method comprises the steps of: receiving an indicator for changing the usage of a specific subframe corresponding to a sub-component carrier from a network; determining whether near-end crosstalk between the sub-component carrier and another component carrier occurs if the usage of the subframe is changed according to the indicator; and transmitting and receiving a signal to and from the network through the sub-component carrier according to the changed usage if it is determined that the near-end crosstalk does not occur. | 01-22-2015 |
20150023269 | METHOD FOR TRANSMITTING UPLINK DATA INFORMATION IN A WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - The present invention relates to a method for transmitting uplink data information in a wireless communication system, and an apparatus therefor. Specifically, the method for a terminal for transmitting uplink data information by means of a hybrid automatic repeat request (HARQ) comprises the steps of: configuring at least one uplink subframe on the basis of first HARQ process; changing a particular uplink subframe, from among the uplink subframes, to a downlink subframe; receiving, from a base station, an indication information indicating the change from the first HARQ process to a second HARQ process; reconfiguring, in accordance with the indication information, at least one uplink subframe on the basis of the second HARQ process; and transmitting uplink data information by means of the reconfigured uplink subframe. | 01-22-2015 |
20150043472 | METHOD FOR PERFORMING HIGH-SPEED HANDOVER IN BASE STATION COOPERATIVE WIRELESS COMMUNICATION SYSTEM, AND DEVICE FOR SAME - Disclosed in the present application is a method for a terminal to perform a handover in a wireless communication system. In particular, the method comprises the steps of: receiving a random access triggering signal from a serving cell; executing a random access procedure with a target cell on the basis of the random access triggering signal; receiving a downlink signal from the serving cell and transmitting an uplink signal to the target cell; receiving, from the serving cell, a message ordering a handover to the target cell; and transmitting, to the target cell, a predetermined message indicating the completed handover, on the basis of the message ordering a handover. | 02-12-2015 |
20150043475 | CHANNEL INFORMATION TRANSMITTING METHOD AND DEVICE - A channel information transmitting method and device are disclosed. The method may comprise: a step in which a base station transmits first channel state information (CSI)-request triggering information to first user equipment (UE); a step in which the base station receives the channel state information of a first D2D link channel from the first UE in response to the first channel from the first UE in response to the first CSI-request triggering information; and a step in which the base station allocates the resource of the first D2D link channel to second UE on the basis of the channel state information. Accordingly, the present invention enables data to be transmitted directly between the user equipment without passing through the base station, thereby increasing the speed of data transmission between the user equipment and distributing the load thereof. | 02-12-2015 |
20150055485 | METHOD BY WHICH TERMINALS IN WIRELESS COMMUNICATION SYSTEMS RECEIVE DOWNLINK CONTROL CHANNELS AND APPARATUS FOR SAME - The present invention relates to a method by which terminals in a wireless communication system receive control channels. More particularly, the method includes the steps of: receiving control information that includes the transmission mode for the control channel and information about the number of antenna ports through a broadcast channel from a base station; and receiving the control channel on the basis of the control information. | 02-26-2015 |
20150055521 | METHOD AND DEVICE FOR AGGREGATING CARRIERS IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method and a device for aggregating carriers in a wireless communication system. In the method, a first carrier is configured, and a second carrier is configured in addition to the first carrier. The first carrier is a time division duplex (TDD) carrier for which an uplink subframe and a downlink subframe are positioned at different times in a frame, and the second carrier is a carrier only for an uplink, which consists of uplink subframes. | 02-26-2015 |
20150055584 | METHOD FOR DYNAMIC ALLOCATION OF RADIO RESOURCES IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present invention relates to a method for transmitting an uplink signal of a terminal using multiple component carriers in a wireless communication system and, more particularly, to a method for transmitting an uplink signal of a terminal using multiple component carriers in a wireless communication system which supports carrier aggregation, comprising the steps of: receiving setting information on a second-type component carrier from a base station through a first-type component carrier; and transmitting an uplink signal to the base station through the second-type component carrier, wherein the use of the second-type component carrier for a specific subframe is changed according to the setting information. | 02-26-2015 |
20150063247 | METHOD FOR PERFORMING HARQ FOR DEVICE-TO-DEVICE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM AND DEVICE FOR SAME - Disclosed in the present application is a method for performing HARQ for device-to-device communication by a first user equipment in a wireless communication system. Particularly, the method comprises: receiving scheduling information for signal transmission from an eNode B to a second user equipment; transmitting data to the specific user equipment in a first subframe according to the scheduling information; and transmitting the data or new data to the second user equipment in a third subframe according to a response signal to the data, wherein the response signal is transmitted from the second UE to the eNode B in a second subframe positioned between the first subframe and the third subframe, and an interval between the first subframe and the third subframe, which is an HARQ period for the device-to-device communication, is set as a power number of an HARQ period between the first user equipment and the eNodeB. | 03-05-2015 |
20150071208 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DOWNLINK SIGNALS IN WIRELESS COMMUNICATION SYSTEMS - The present invention relates to a method for a base station to transmit a downlink signal in a wireless communication system, including the step of transmitting information related to a downlink subframe, wherein the information related to the downlink subframe is a subframe set for uplink transmission. | 03-12-2015 |
20150071209 | TTI BUNDLING METHOD IN WIRELESS ACCESS SYSTEMS AND APPARATUS FOR SAME - The present invention relates to a transmission time interval (TTI) bundling method in wireless access systems and to an apparatus for same. In particular, the TTI bundling method includes the following steps: a terminal receives information indicating the bundling size value from a base station; the terminal automatically re-transmits packets through a predetermined number of TTIs following four TTIs without the reception of Acknowledgement/Negative-ACK (ACK/NACK) information for the packets from the base station; the terminal receives the ACK/NACK information for the packets from the base station; and the terminal retransmits packets in a Hybrid Automatic Repeat and Request (HARQ) scheme when receiving the NACK, wherein the predetermined number of TTIs is determined according to the bundling size value. | 03-12-2015 |
20150078326 | METHOD FOR TRANSMITTING ENHANCED CONTROL CHANNEL IN A WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - The present invention relates to a method for transmitting a downlink control channel in a wireless communication system, and an apparatus therefor. Specifically, the method for transmitting an enhanced a physical downlink control channel (EPDCCH) from a serving cell comprises the steps of: forming a plurality of enhanced resource element groups (EREGs) by dividing available resource elements, comprised in one physical resource block (PRB) pair, into a predetermined number; forming an enhanced control channel element (ECCE), which is a resource allocation unit for the EPDCCH, by selecting one or more EREGs from among the plurality of EREGs; and transmitting the EPDCCH by means of the transmission resource allocated, for each ECCE, for the EPDCCH, wherein one or more EREGs forming the ECCE is selected on the basis of a cell identifier of the serving cell and/or an index of the one PRB pair. | 03-19-2015 |
20150085782 | METHOD AND APPARATUS FOR MAKING HARQS IN CARRIER AGGREGATION SYSTEMS - The present invention relates to a method and system for making a hybrid automatic repeat requests (HARQ) in a carrier aggregation system. The method receives downlink data through a first subframe of a first carrier, transmits acknowledgement/negative-acknowledgement (ACK/NACK) for the downlink data through a second subframe of a second carrier, and re-receives the downlink data through a third subframe of the first carrier, wherein the first carrier only includes the downlink subframes, and the second carrier includes the uplink subframes and the downlink subframes. | 03-26-2015 |
20150092629 | METHOD AND APPARATUS FOR PERFORMING HARQ BASED ON DYNAMIC CHANGE OF WIRELESS RESOURCES IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method for a terminal to transceive a signal through a base station and a predetermined carrier in a time division duplex (TDD) communication system. In detail, the method includes the steps of: receiving, from the base station, information on dynamically changeable uplink/downlink subframe settings; selecting a representative uplink/downlink subframe setting from among the uplink/downlink subframe settings; and performing a hybrid automatic repeat request (HARQ) operation according to the representative uplink/downlink subframe setting. | 04-02-2015 |
20150092690 | METHOD FOR SETTING SEARCH REGION FOR DOWNLINK CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR - The present invention relates to a method for a terminal to receive an enhanced physical downlink control channel (EPDCCH) from a based station in a wireless communication system. In detail, the method includes the step of: receiving the EPDCCH by monitoring EPDCCH candidates consisting of one or more enhanced control channel elements (ECCEs) in at least one resource block set for EPDCCH, wherein the number of ECCEs forming each of the EPDCCH candidates corresponds to an aggregation level, and the period between the EPDCCH candidates for one carrier, which is a specific aggregation level, is determined by dividing the total number of ECCEs included in each of the one or more resource blocks by a corresponding aggregation level and the number of the EPDCCH candidates which are the specific aggregation level. | 04-02-2015 |
20150092692 | METHOD FOR ALLOCATING UPLINK CONTROL CHANNEL FOR DOWNLINK DATA ACKNOWLEDGEMENT IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present invention relates to a method for transmitting a physical uplink control channel (PUCCH) in a wireless communication system and a device therefor. More specifically, the method for transmitting a PUCCH in a wireless communication system comprises the steps of: enabling a terminal to receive an enhanced physical downlink control channel (EPDCCH) having at least one enhanced control channel element (ECCE) from a base station; and transmitting a PUCCH corresponding to a physical data shared channel (PDSCH) scheduled by the EPDCCH to the base station, according to linkage information on the at least one ECCE, wherein the linkage information indicates a resource index of the physical uplink control channel corresponding to an index of the at least one ECCE according to an aggregation level with respect to the EPDCCH. | 04-02-2015 |
20150103800 | INITIAL ACCESS METHOD AND DEVICE IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a terminal's initial access method in a wireless communication system, the method including: obtaining information including a cell identification (ID) from a synchronous signal; and receiving any one of a first physical broadcast channel (PBCH) and a second PBCH channel depending on to which of a preset range the cell ID corresponds. | 04-16-2015 |
20150110026 | METHOD FOR CONFIGURING RESOURCE BLOCK FOR SEARCH REGION OF DOWNLINK CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR - The present invention relates to a method and apparatus for transmitting uplink data using a hybrid automatic repeat request (HARQ) by a terminal in a wireless communication system. More particularly, the method disclosed in the present invention comprises the steps of: establishing a first uplink-downlink configuration for a first frequency band and establishing a second uplink-downlink configuration for a second frequency band; receiving uplink control information in a downlink subframe on the first frequency band; and transmitting uplink data corresponding to the uplink control information in a specific uplink subframe linked to the downlink subframe on the basis of the first uplink-downlink configuration and second uplink-downlink configuration. | 04-23-2015 |
20150124729 | METHOD FOR RECEIVING DOWNLINK CONTROL CHANNEL BY MEANS OF TERMINAL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - The present invention relates to a method for receiving a downlink control channel by means of a terminal in a wireless communication system and to an apparatus for same. More specifically, the present invention relates to a method for detecting downlink control information by means of a terminal in a wireless communication system that supports carrier aggregation, the method comprising: a step of receiving resource region information for an enhanced physical downlink control channel (EPDCCH) from a base station; a step of constructing at least one resource block as a search space for EPDCCH monitoring based on the resource region information; and a step of monitoring the search space to detect downlink control information. The resource region information is a resource region configuration based on cells to be cross-carrier scheduled. | 05-07-2015 |
20150124737 | METHOD FOR CONTROLLING POWER FOR DEVICE-TO-DEVICE (D2D) COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - A method for a terminal controlling power in a wireless communication system, according to the present invention, comprises the steps of: receiving from a base station power setting information on the difference in power setting values between a first channel for eNodeB-to-device (eNB2D) communication, and a second channel for device-to-device (D2D) communication; and controlling the power of the first channel and/or the second channel in accordance with the power setting information, wherein the power is controlled in accordance with a predetermined priority, which is based on a plurality of channels and a plurality of transmitted data items, which are different from each other are simultaneously transmitted by the terminal at a specific time. | 05-07-2015 |
20150133137 | METHOD FOR SHARING WIRELESS RESOURCE INFORMATION IN MULTI-CELL WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - The present invention relates to a method for sharing wireless resource information by a cell in a multi-cell wireless communication system. More particularly, the method for sharing wireless resource information by a cell according to the present invention comprises: a step of transmitting wireless resource information to a neighbor cell; and a step of receiving an acknowledgement message corresponding to the wireless resource information from the neighbor cell. The wireless resource information is information for changing the used of the wireless resource of a specific wireless resource region, and the acknowledgement message is a message indicating whether the change in use of the wireless resource is allowed in the neighbor cell. | 05-14-2015 |
20150163687 | METHOD FOR PERFORMING MEASUREMENT OF TERMINAL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - The present invention relates to a method for enabling a terminal to perform a measurement in a wireless communication system. More specifically, the present invention comprises the steps of: receiving information related to a specific cell group as a measuring target; determining a representative value by performing the measurement for the specific cell group according to the received information; and performing radio resource management or radio link monitoring on the basis of the representative value, wherein the specific cell group is configured to enable a virtual cell identifier to comprise a plurality of equally set cells. | 06-11-2015 |
20150163790 | METHOD FOR TRANSMITTING CONTROL SIGNAL FOR DEVICE-TO-DEVICE COMMUNICATION AND DEVICE THEREFOR - One embodiment of the present invention discloses a method for transmitting a control signal for device-to-device (D2D) communication with a second terminal by a first terminal in a wireless communication system, wherein the method is carried out by the first terminal and comprises the steps of: mapping control information for the D2D communication to a resource region for the D2D communication; and transmitting, to the second terminal, the mapped control information for the D2D communication with data for the D2D communication, wherein the control information for the D2D communication includes modulation and coding scheme (MCS) related information and hybrid automatic retransmission request (HARQ) related information, and the control information for the D2D communication can be mapped to at least one symbol except for symbol(s) to which a reference signal is mapped. | 06-11-2015 |
20150180616 | METHOD FOR OPERATING BUFFER FOR DEVICE-TO-DEVICE (D2D) COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SAME - A method for a terminal transmitting/receiving a signal with device-to-device (D2D) on the basis of a hybrid automatic repeat and request (HARQ) in a wireless communication system, comprises the steps of: receiving allocation information for establishing a wireless resource for a specific HARQ process from at least one first HARQ process as a wireless resource for a second HARQ process; and transmitting/receiving the signal with an external terminal by using the wireless resource of the second HARQ process, wherein a soft buffer, which is linked to the second HARQ process, is a reestablished soft buffer that is linked to the at least one HARQ process, in accordance with the allocation information. | 06-25-2015 |
20150181406 | USER EQUIPMENT DETECTION METHOD FOR DIRECT COMMUNICATION BETWEEN USER EQUIPMENT AND USER EQUIPMENT IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR - Disclosed in the present application is a method for enabling user equipment to transmit and receive a discovery signal for direct communication between user equipment in a wireless communication system. Specifically, the method comprises the steps of: receiving, from a base station, information related to a plurality of configurations for the discovery signal through an upper layer; receiving, from the base station, downlink control information on a first sub-frame, comprising a field indicating one configuration among the plurality of configurations through a physical layer; and transmitting and receiving the discovery signal on the first frame and then on a second frame by using the indicated configuration. | 06-25-2015 |
20150181569 | METHOD AND APPARATUS FOR ACQUIRING DIVERSITY GAIN ACCORDING TO DISTRIBUTED RESOURCE ALLOCATION FOR DOWNLINK CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM - In the present invention, disclosed is a method for a base station transmitting a downlink control channel to user equipment in a wireless communication system. More specifically, the method comprises the steps of configuring resource elements, which are included in each of a plurality of resource blocks, as a plurality of resource element groups comprising a predetermined number of resource elements; allocating antenna ports to the resource elements which are included in each of the plurality of resource element groups; allocating as a transmission resource for the downlink control channel, at least one resource element group from each of the plurality of resource blocks; and transmitting the downlink control channel to the user equipment by using the transmission resource. | 06-25-2015 |
20150181574 | METHOD AND DEVICE FOR RECEIVING DOWN-LINK CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method of detecting down-link control information by a terminal in a wireless communication system. More particularly, the present invention includes: receiving aggregation level related information for monitoring an enhanced physical downlink control channel (EPDCCH); and monitoring a search area for the EPDCCH according to a specific aggregation level to detect down-link control information, wherein for the specific aggregation level, the number of EPDCCH candidates for detecting the down-link control information is differently defined according to the aggregation level related information. | 06-25-2015 |
20150181624 | METHOD AND TERMINAL FOR RANDOM ACCESS TO SMALL CELL - The present invention relates to a method for random access to a small cell by means of a terminal. The method can include the steps of: receiving a plurality of settings for a random access preamble; selecting one of the plurality of settings; and transmitting the random access preamble according to the one selected setting. Here, a resource on which the random access preamble can be transmitted can be provided in plurality in one subframe, and the preamble transmitted on each resource is distinguishable. | 06-25-2015 |
20150189640 | METHOD FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - The present invention relates to a method for enabling user equipment to receive control information in a wireless communication system, comprising the steps of: receiving, from a first base station, first control information in which the control information is allocated on a specific wireless resource area according to a first pattern; and receiving from a second base station, second control information in which the control information is assigned on the specific wireless resource area according to a second pattern, wherein the first pattern is determined on the basis of identification information associated with the first base station, the second pattern is determined on the basis of identification information associated with the second base station, and the first and second patterns are set so as not to overlap each other. | 07-02-2015 |
20150208394 | METHOD FOR DETECTING DOWNLINK CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - The present invention relates to a wireless communication system, and more particularly, to a method for detecting a downlink control channel in a wireless communication system and to an apparatus for same. The method by which a terminal receives downlink control information in a wireless communication system, according to one example of the present invention, includes the steps of: receiving information elements, including information for setting a plurality of downlink subframe sets and information for representing a downlink control channel type for each of the plurality of downlink subframe sets, from a base station; determining the resource location to which the control is mapped in a specific downlink subframe set according to the type of the control channel; and monitoring a control channel corresponding to the control channel type at the resource location of the downlink subframe belonging to the specific downlink subframe set and receiving the downlink control information transmitted through the control channel. | 07-23-2015 |
20150215087 | METHOD AND APPARATUS FOR RECEIVING OR TRANSMITTING RADIO FREQUENCY (RF) SIGNAL - A method and apparatus for receiving or transmitting a radio frequency (RF) signal are disclosed. A method for receiving a downlink signal by a user equipment (UE) in a Time Division Duplex (TDD) wireless communication system supporting Coordinated Multi-point transmission and reception (CoMP) includes: acquiring information of a time-resource region to which a downlink signal for the CoMP is transmitted, for at least one cell, and receiving a downlink signal for the CoMP signal for the CoMP on the basis of the acquired information, wherein the time-resource region information includes a length of a time region contained in a specific subframe to which the downlink signal for the CoMP is transmitted. | 07-30-2015 |
20150230210 | METHOD FOR RECEIVING DOWNLINK CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present invention relates to a method by which a terminal receives downlink control information in a wireless communication system and, more specifically, the method comprises the step of receiving a specific reference signal (RS) in a common search space (CSS) of an enhanced physical downlink control channel (EPDCCH), wherein the specific reference signal is punctured and transmitted when a position allocated to a first terminal in an initial access procedure cannot be commonly applied to a second terminal. | 08-13-2015 |
20150237518 | METHOD AND DEVICE FOR ENABLING LIMITED MEASUREMENT IN FREQUENCY DOMAIN IN WIRELESS COMMUNICATION SYSTEM - The present application discloses a method of performing a measurement for radio resource management (RRM) by user equipment in a wireless communication system. In particular, the method includes: receiving information on the low-power frequency band of an adjacent cell for the RRM from a serving cell; performing a measurement on the low-power frequency band for the RRM using a reference signal received at a preset period; and reporting the result of the measurement to the serving cell. | 08-20-2015 |
20150237602 | METHOD AND APPARATUS FOR RECEIVING SYSTEM INFORMATION IN WIRELESS COMMUNICATION SYSTEM - The method for receiving system information by a terminal in a wireless communication system according to one embodiment of the present invention comprises: a step of receiving a subframe; and a step of performing, for a physical broadcast channel (PBCH) in a predetermined resource region of the subframe, blind decoding based on a plurality of sequences to be masked to a CRC parity bit. If a cell-specific reference signal (CRS) does not exist in the subframe, each of the plurality of sequences indicates pieces of individual information contained in one or more of a reference signal type set, a demodulation reference signal (DMRS) antenna port information set and diversity scheme information set. | 08-20-2015 |
20150244510 | METHOD AND APPARATUS FOR TRANSMITTING ACKNOWLEDGEMENT IN WIRELESS COMMUNICATION SYSTEM - The method for transmitting an acknowledgement for enhanced physical downlink control channel (EPDCCH) by a terminal in a wireless communication system according to one embodiment of the present invention comprises: a step of receiving EPDCCH; and a step of determining a resource for transmitting the acknowledgement based on one or more of the values related to the enhanced control channel element (ECCE) index which is the lowest from among the indices of ECCEs used in the EPDCCH transmission, an antenna port index, and a predetermined value indicated by downlink control information. The transmitting acknowledgement method determines whether to use the predetermined value indicated by the downlink control information when the resource for transmitting the acknowledgement is determined, based on one or more of the transmitted EPDCCH type, the size of an DCI format, information related to the physical resource block (PRB) set of the transmitted EPDCCH, and the type of the signal transmitted on the PDSCH indicated by the EPDCCH. | 08-27-2015 |
20150245324 | METHOD FOR TRANSCEIVING CONTROL INFORMATION, AND APPARATUS FOR SAME - The present invention relates to a wireless communication system. In detail, provided are a method by which a terminal receives a control channel signal in a wireless communication system, and an apparatus for same, including the steps of: receiving a subframe including a plurality of control channel sets, wherein each control channel set includes a plurality of control channel candidates; and monitoring at least one control channel set in the subframe for receiving the control channel signal, wherein the plurality of control channel candidates are scrambled by a scrambling sequence having a control channel set-specific initialization value in each control channel set. | 08-27-2015 |
20150249974 | METHOD AND APPARATUS FOR RECEIVING OR TRANSMITTING DOWNLINK CONTROL SIGNAL IN WIRELESS COMMUNICATION SYSTEM - The method for receiving a downlink signal by a user device in a wireless communication system according to one embodiment of the present disclosure comprises: a step of receiving control information relating to semi persistent scheduling via an upper layer signaling or a downlink control channel; and a step of decoding a semi persistent scheduled downlink data channel based on the control information relating to semi persistent scheduling. The method may comprise: a step of using, if the downlink control information receive via the downlink control channel has a first downlink control information (DCI) format, a predetermined first parameter group from among the candidate parameter groups received via the upper layer signaling so as to decode the downlink data channel; and a step of using, if the downlink control information received via the downlink control channel has a second DCI format, a second parameter group indicated by the downlink control information from among the candidate parameter groups received via the upper layer signaling so as to decode the downlink data channel. | 09-03-2015 |
20150257130 | METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING DOWNLINK SIGNAL IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method and device for receiving a downlink signal by a terminal in a wireless communication system. More particularly, the method includes: receiving first quasi co-location (QCL) characteristic-related information for the downlink communication of a first RF resource; and receiving a downlink signal by using a second RF resource, wherein the second RF resource indicates an RF resource when the use of an RF resource is changed from uplink communication use to downlink communication use at a specific time, and a downlink signal is decoded by using second QCL characteristic-related information for the downlink communication of the second RF resource, and the first QCL characteristic-related information and the second QCL characteristic-related information are independently defined. | 09-10-2015 |
20150264667 | METHOD AND APPARATUS FOR RECEIVING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method and an apparatus for receiving control information by a terminal in a wireless communication system. More particularly, the method for receiving control information by a terminal in a wireless communication system, comprises: a step of receiving monitoring information regarding a common search space (CSS) on an enhanced physical downlink control channel (EPDCCH): and a step of detecting control information based on the monitoring information. | 09-17-2015 |
20150271691 | METHOD FOR MONITORING DOWNLINK CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR - The present invention relates to a method for monitoring, by a terminal, an enhanced physical downlink control channel (EPDCCH) in a wireless communication system supporting carrier aggregation. In detail, the method includes the steps of receiving monitoring information about a first cell from a base station and a second cell cross-carrier scheduled from the first cell; and monitoring the EPDCCH on the basis of the monitoring information, wherein the monitoring information includes information that the number of EPDCCH candidates on the first cell is reallocated, when the maximum number of enhanced control channel elements (ECCE)) available in a specific EPDCCH set on the first cell does not support the number of the EPDCCH candidates of an aggregation level with respect to the second cell. | 09-24-2015 |
20150271788 | METHOD AND USER DEVICE FOR RECEIVING DOWNLINK SIGNAL, AND METHOD AND BASE STATION FOR TRANSMITTING DOWNLINK SIGNAL - The present invention provides a method and a user device for receiving a downlink signal, and a method and a base station for transmitting a downlink signal. The method for a user device receiving the downlink signal in a wireless communication system, comprises: encoding downlink control channel candidates, each of which comprise at least one control channel element (CCE); and detecting the downlink control channel of the user device, wherein each of the downlink control channel candidates is encoded in accordance with a first downlink control information (DCI) format and a CCE type for the user device, or a second DCI format and a predetermined CCE type. | 09-24-2015 |
20150271790 | METHOD FOR RECEIVING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - The present invention relates to a method and an apparatus for a terminal for receiving control information in a wireless communication system. More specifically, the method comprises a step for monitoring an enhanced physical downlink control channel (EPDCCH) set comprised in an EPDCCH, wherein an aggregation level for monitoring the EPDCCH set is determined according to the configuration regarding the EPDCCH set. | 09-24-2015 |
20150280882 | METHOD OF DETECTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS FOR SAME - The present invention relates to a method and apparatus for receiving, by a terminal, control information in a wireless communication system supporting a carrier aggregation system. In detail, the method includes a step of receiving control information on a specific subframe through a first carrier and second carrier, wherein, when the control channel type on the first carrier and the control channel type on the second carrier are different from each other in the specific subframe, the control information is received according to the control channel type on one carrier of either the first carrier or second carrier corresponding to predefined monitoring information. | 10-01-2015 |
20150295689 | METHOD FOR RECEIVING OR TRANSMITTING DOWNLINK CONTROL SIGNAL IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR - The present invention relates to a method for receiving a downlink control signal in a wireless communication system including monitoring EPDCCH (enhanced physical downlink control channel) candidates to decode an EPDCCH in one or two EPDCCH sets on a first serving cell configured for the UE, and receiving a PDSCH (physical downlink shared channel) corresponding to the decoded EPDCCH. The EPDCCH candidates may include EPDCCH candidates for the first serving cell and EPDCCH candidates for a second serving cell scheduled by the first serving cell. Aggregation levels and the number of the EPDCCH candidates for the second serving cell at each of the aggregation levels are associated with bandwidth of the second serving cell. | 10-15-2015 |
20150296551 | METHOD FOR PERFORMING D2D COMMUNICATION AND APPARATUS THEREFOR - The present invention relates to a wireless communication system. In particular, provided are a method for managing, by a terminal, mobility in a wireless communication system, and an apparatus therefore, including the steps of: receiving a plurality of TA lists, wherein the plurality of TA lists include dedicated TA lists and shared TA lists; and when TA information of a current cell matches with the shared TA lists, selectively performing a TAU process according to a communication mode, wherein when the communication mode is a non-D2D, the TAU process is performed on an MME corresponding to the TA information about the current cell, and when the communication mode is D2D, the TAU process is skipped. | 10-15-2015 |
20150319636 | METHOD FOR MEASURING INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR - According to one embodiment of the present invention, a method for measuring, by a user device, interference in a wireless communication system includes the steps of: receiving setting information for a target resource of an interference measurement from a base station; and reporting channel state information (CSI) based on the measured interference, wherein the setting information includes indication information for the interference measurement with respect to subbands or resource blocks of specific sub-frame sets divided according to interference environments, and a CSI process can be set for each of the specific sub-frame sets. | 11-05-2015 |
20150333873 | METHOD AND DEVICE FOR SETTING BACKHAUL LINK SUBFRAME IN WIRELESS COMMUNICATION SYSTEM HAVING CARRIER AGGREGATION TECHNIQUE APPLIED THERETO - Disclosed in the present invention is a method for a base station to set a backhaul link subframe for a relay node in a wireless communication system, to which a carrier aggregation technique is applied. More particularly, the present invention comprises the steps of: determining one of the plurality of subframe settings as a first subframe setting for a main component carrier allocated to the relay node; composing subframe setting candidates for one or more subcomponent carriers allocated to the relay node, one the basis of the determined first subframe setting; and determining a second subframe setting for each of the one or more subcomponent carriers, using the composed subframe setting candidates, wherein a subframe aggregation according to the first subframe setting and subframe aggregations according to each of the subframe setting candidates do not overlap when downlink subframes and uplink subframes of the different component carriers are identical, and a downlink subframe aggregation according to the second subframe setting is included in a downlink subframe aggregation according to the first subframe setting. | 11-19-2015 |
20150333893 | METHOD FOR SHARING RADIO RESOURCE INFORMATION IN MULTI-CELL WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - The present invention relates to a method and an apparatus for reporting channel state information of user equipment in a multi-cell wireless communication system. More particularly, the present invention comprises the steps of: receiving from a serving cell information on interference measurement resources (IMR) linked to at least one channel state information process (CSI process) and at least one item of CSI measurement information with respect to a plurality of radio resource sets having different interference characteristics; and reporting channel state information with respect to a specific radio resource set according to at least one item of information on the IMR and the at least one item of CSI measurement information, wherein the radio resource sets are defined so that uplink-downlink status changes depending on a system load state, and are linked to different channel state estimation processes. | 11-19-2015 |
20150341878 | METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING SIGNAL FOR DEVICE-TO-DEVICE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM - One embodiment of the present invention relates to a method for enabling a first user equipment (UE) to transmit and receive a signal for device-to-device (D2D) communication in a wireless communication system, and the method for transmitting and receiving a signal for D2D communication comprises the steps of: acquiring downlink synchronization of a serving cell in a second UE; transmitting a random access preamble to the serving cell in the second UE; receiving a random access response including timing advance as a response to the random access preamble transmission; and receiving a beacon signal transmitted by the second UE using the timing advance. | 11-26-2015 |
20150358140 | METHOD FOR CONFIGURING A BACKHAUL LINK SUBFRAME IN A WIRELESS COMMUNICATION SYSTEM TO WHICH A CARRIER AGGREGATION SCHEME IS APPLIED AND AN APPARATUS FOR THE SAME - A method for configuring a backhaul link subframe in a wireless communication system to which a carrier aggregation scheme is applied and an apparatus for the same are disclosed. The method comprises determining one of a plurality of subframe configurations as a first subframe configuration for a primary component carrier allocated to the relay node; configuring subframe configuration candidates for one or more secondary component carriers allocated to the relay node on the basis of the determined first subframe configuration; determining a second subframe configuration for each of the one or more secondary component carriers by using the configured subframe configuration candidates; and transmitting and receiving a signal to and from the relay node in accordance with the first subframe configuration and the second subframe configuration. | 12-10-2015 |
20150358142 | METHOD FOR SHARING WIRELESS RESOURCE INFORMATION IN MULTI-CELL WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - The present invention relates to a method for user equipment transmitting/receiving signals in a multi-cell wireless communication system. More specifically, the method far the user equipment transmitting/receiving signals in the multi-cell wireless communication system comprises a step of transmitting/receiving the signals by using a specific radio resource, wherein the specific radio resource is set so that the use of the radio resource is modified based on a predetermined time section between a serving cell and a neighbor cell. | 12-10-2015 |