Abstract:
The present invention relates to a wireless communication system, and particularly, to a method and an apparatus for same, the method comprising the steps of: receiving DL data from a DL data zone of time unit #n; transmitting ACK/NACK information for the DL data from a UL control zone of time unit #n+1; and receiving DL scheduling information indicating retransmission of the DL data from a DL control zone of time unit #n+2, wherein each of the time units comprises, in time order, the DL control zone, a GP, the UL control zone, and the DL data zone.
Abstract:
Disclosed are a method for transmitting a sounding reference signal to a base station by a terminal and an apparatus for supporting the same. Particularly, disclosed is a sounding reference signal transmission method comprising: determining a transmission time point of a first SRS within a first TTI, which has a length shorter than the length of one subframe, on the basis of the first TTI; and transmitting the first SRS at the determined transmission time point, wherein a frequency resource at which the first SRS is transmitted is configured independently from a frequency resource at which a second SRS based on a second TTI having a length corresponding to the length of one subframe is transmitted.
Abstract:
An embodiment of the present invention relates to a method for receiving a downlink signal for a terminal which is set to operate in multiple frequency bands in a wireless communication system. The method is performed by a terminal, and may comprise the steps of: receiving information on a transmission unit of a control channel transmitted in each of the multiple frequency bands, wherein subcarrier spacing for each of the multiple frequency bands is adaptively adjusted; and detecting the control channel in each of the multiple frequency bands on the basis of the information.
Abstract:
A method by which a terminal reports an aperiodic channel state in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving an aperiodic channel state information (CSI) report request from a base station; and calculating the aperiodic CSI with respect to a CSI to be measured, which is indicated by the aperiodic CSI report request so as to transmit the calculated aperiodic CSI to the base station, wherein the aperiodic CSI report request indicates a report for one of a plurality of aperiodic CSI report sets, and the number of individual CSI reports included in each of the plurality of aperiodic CSI report sets can be independently set according to each aperiodic CSI report set.
Abstract:
Disclosed is a method for receiving, by a terminal which has been assigned multiple component carrier groups, control information in a wireless communication system, the method comprising the steps of: receiving control information for the multiple component carrier groups; and receiving data information via component carriers that belong to the multiple component carrier groups using the received control information, wherein the control information may comprise multiplex control information for each of the multiple component carrier groups, or single control information for the component carriers included in each of the multiple component carrier groups.
Abstract:
A method for reporting a channel state in a wireless communication system is performed by a terminal and comprises the steps of: receiving a configuration with respect to a zero-power transfer resource for a channel state measurement, wherein the zero-power transmission resource corresponds to a portion of a cell-specific reference signal (CRS) resource element (RE) of a serving base station or a CRS RE of a main interference base station; determining whether the zero-power transfer resource is set in a subframe to which a reference resource for the channel state measurement belongs; if the zero-power transfer resource is set in the subframe to which the reference resource belongs, calculating a value of a first-type or second-type channel state in the zero-power transfer resource; and reporting the calculated value of the first-type or second-type channel state to the serving base station, wherein the value of the first-type or second-type channel state can be a value from which the influence of an interference signal from the main interference base station has been removed.
Abstract:
A solar cell module includes a plurality of solar cells each including a semiconductor substrate, an emitter region forming a p-n junction along with the semiconductor substrate, a first electrode connected to the emitter region, and a second electrode connected to a back surface of the semiconductor substrate; and a plurality of wiring members connected to the first electrode or the second electrode and configured to electrically connect the plurality of solar cells in series, wherein a number of wiring members connected to the first electrode or the second electrode of each solar cell is 6 to 30, and the wiring members have a circular cross-section.
Abstract:
A solar cell panel is disclosed. The disclosed solar cell panel includes a semiconductor substrate, a conductive region disposed in or on the semiconductor substrate, an electrode connected to the conductive region, a lead electrically connected to the electrode. The electrode includes finger lines, and a bus bar line extending across the finger lines, and electrically connected to the lead. First and second end edge areas are arranged at opposite ends of the bus bar line disposed adjacent to opposite edges of the semiconductor substrate, respectively. The bus bar line includes electrode portions respectively disposed at the first end second end edge areas. Each electrode portion includes an opening formed through the each electrode portion, and an outermost end disposed at a position flush with corresponding ones of the outermost ones of the finger lines or a position outwards of the corresponding outermost finger lines.
Abstract:
A method for receiving a reference signal for determining a position in a wireless communication system performed by a terminal is provided. The method includes receiving, from a serving base station, cyclic delay information of a plurality of positioning reference signals (PRSs), receiving the plurality of PRSs from a plurality of base stations using the cyclic delay information, each of the plurality of PRSs being repeatedly received a predetermined number of times for a predetermined period of time, and a respective one of the repeatedly received PRSs having different cyclic delay values with an interval, calculating a cross-correlation value of each of the plurality of received PRSs, calculating a time difference of arrival (TDOA) value of each base station based on the cross-correlation value and reporting the calculated TDOA value to the serving base station.
Abstract:
The present invention relates to a wireless communication system. According to one embodiment of the present invention, a method for transmitting, by a terminal, channel state information (CSI) in a wireless communication system comprises the steps of: subsampling a code book for four antenna ports, including sixteen precoding matrixes; and feeding back the CSI on the basis of the subsampled code book, wherein the CSI includes at least one of a rank indicator (RI), a precoding matrix indicator (PMI) and a channel quality indicator (CQI), and if the RI is 3, the subsampled code book can be determined so as to minimize a chordal distance between subsampled code words.