Abstract:
An embodiment of the present invention relates to a method for a first terminal to receive a signal transmitted by a second terminal in a wireless communication system, the method comprising the steps of: receiving a physical sidelink control channel (PSCCH) transmitted by the second terminal; and receiving a physical sidelink shared channel (PSSCH) associated with the PSCCH, wherein when demodulating the PSSCH, the first terminal uses quasi co-located (QCL) assumption according to a relationship between the PSCCH and the reception timing of the PSSCH.
Abstract:
A method for transmitting a synchronization signal in vehicle-to-something (V2X) communication is presented. A terminal according to the present invention can determine whether to transmit a synchronization signal on the basis of the power capacity of the terminal. The terminal can reduce power consumption by transmitting the synchronization signal only within a window according to the power capacity.
Abstract:
The present invention relates to a method and a device for transmitting a vehicle to everything (V2X) signal of user equipment for V2X communication in a wireless communication system. Particularly, the present invention comprises the steps of: receiving a resource pool configuration of which a first resource unit and a second resource unit, set for V2X communication, are defined; and transmitting the V2X signal, according to the resource pool configuration, through a specific resource region among the entire time-frequency hopped resource region, wherein the first resource unit is a multiple of the second resource unit, a first resource region corresponding to the first resource unit comprises a plurality of second resource regions corresponding to the second resource unit, and with respect to time-frequency hopping, frequency axis-based hopping or time axis-based hopping is determined according to a period of the V2X signal.
Abstract:
Disclosed herein a method of, at a user equipment (UE), reporting channel quality information for three-dimensional (3D) multiple input multiple output (MIMO) transmission to a base station in a wireless communication system The method includes receiving information for vertical cycling beamforming from the base station, calculating the channel quality information using the information for the vertical cycling beamforming, on the assumption that different vertical beamforming is circularly applied in a predetermined resource unit to receive a downlink signal, and reporting the calculated channel quality information to the base station.
Abstract:
Disclosed is a method for transmitting a synchronization signal of device-to-device (D2D) communication. The method for transmitting a D2D synchronization signal of the present application may indicate the state of a terminal, the purpose of transmission of a primary D2D synchronization signal (PD2DSS), or whether to transmit a physical D2D shared channel (PD2DSCH), on the basis of an order in which root indexes of PD2DSSs are transmitted or the value of a root index used by a PD2DSS.
Abstract:
Disclosed is a method for supporting device-to-device (D2D) communication to which multiple-input and multiple-output (MIMO) technology is applied in a wireless communication system. The method for supporting D2D communication includes receiving, from a transmission end, a resource configuration associated with transmission and reception of a first reference signal and D2D data of a D2D resource pool in an uplink resource; transmitting, to the transmission end, the first reference signal related to at least one first antenna port of the D2D terminal through an uplink resource according to the resource configuration; receiving, through the uplink resource, D2D data and a second reference signal from at least one second antenna port among a plurality of second antenna ports of the transmission end determined based on the first reference signal; and decoding the received D2D data based on a precoding applied to the second reference signal.
Abstract:
The present invention relates to a method and an apparatus which enable a terminal to transmit a signal for device-to-device (D2D) communication in a wireless communication system. Specifically, the present invention transmits a synchronization signal for D2D communication and a demodulation reference signal (DM-RS) for demodulation of the synchronization signal, wherein the base sequence of the demodulation reference signal is generated using a synchronization reference ID.
Abstract:
The present invention relates to a method and a device for estimating a channel of a terminal in a wireless communication system that supports multiple antennas. Particularly, the method comprises the steps of receiving a channel state information-reference signal (CSI-RS) for a plurality of first domain antennas and a cell-specific reference signal (CRS) for a plurality of second domain antennas, and estimating the all of the channels on the basis of a first channel for the first domain antennas estimated from the CSI-RS and a second channel for the second domain antennas estimated from the CRS.
Abstract:
Disclosed is a method for transmission of a device-to-device (D2D) signal by a terminal in a wireless communication system. The method for transmission of a D2D signal, according to an embodiment of the present invention, comprises the steps of: receiving a location of resources, for transmitting a scheduling assignment, from a base station; and transmitting the scheduling assignment by means of the resources, wherein the scheduling assignment comprises information indicating a subframe, for transmitting a D2D-related signal in a scheduling assignment period that is subsequent to the subframe in which the scheduling assignment is transmitted.
Abstract:
The present invention relates to a method and an apparatus for performing, by a terminal having multiple antennas, measurement reporting in a wireless communication system. In particular, the method comprises the steps of: receiving a multicast-broadcast single-frequency network (MBSFN) reference signal; performing a measurement for radio resource management for each of the multiple antennas, using the MBSFN reference signal; and reporting the result of the measurement, wherein the result of the measurement is determined on the basis of the measurement values of all diversity branches corresponding to the multiple antennas.