Lg Electronics Inc.

Youngsub Kim

Hyunsoo Ko

Sukhyon Yoon

Kijun Kim

Eunsun Kim

Seonwook Kim

Hyunsu Cha

Byounghoon Kim

Haewook Park

Hanbyul Seo

Hyukjin Chae

Changhwan Park

The present invention relates to a wireless communication system, and in particular, to a method and a device therefor, in which a sequence for a primary sidelink synchronization signal (PSSS) is generated on the basis of a specific cyclic shift value, and the PSSS is transmitted to a second device on the basis of the generated sequence, wherein the specific cyclic shift value is one of a plurality of first cyclic shift values for the PSSS, the plurality of first cyclic shift values are on the basis of a certain ratio being applied to offsets of second cyclic shift values for a downlink primary synchronization signal (DL PSS) sequence, and the intervals between the plurality of first cyclic shift values are maximized.

Method for transmitting and receiving signals in wireless communication system, and device supporting same

Disclosed is a method for a terminal for receiving a positioning reference signal (PRS) in a wireless communication system. Particularly, the method includes: receiving first information related to a PRS resource group including a plurality of PRS resources, and second information related to a repetition count for the PRS resource group; and receiving a PRS on the plurality of PRS resources based on the first information and second information, wherein the PRS resource group may be allocated repeatedly as many times as the repetition count within a certain period.

Method for transmitting and receiving positioning reference signal and apparatus therefor

Disclosed is a method for a UE to acquire time information about a Synchronization Signal/Physical Broadcast Channel (SS/PBCH) block in an unlicensed band. In particular, the method is characterized by: receiving SS/PBCH blocks through a plurality of Orthogonal Frequency Division Multiplexing (OFDM) symbols in a specific slot; detecting the respective phases of the plurality of OFDM symbols; detecting the sequence of PBCH Demodulation Reference Signals (DMRSs) included among the plurality of OFDM symbols; and acquiring time information about the SS/PBCH blocks on the basis of the respective phases of the plurality of OFDM symbols and the sequence of the PBCH DMRSs.

Method for acquiring time information about synchronization signal block in unlicensed band, and device for same

The present invention discloses a method for a user equipment to receive system information in a wireless communication system. Particularly, the method is characterized in detecting a first synchronization signal block configured with a Primary Synchronization Signal (PSS), a Secondary Synchronization Signal (SSS) and a Physical Broadcasting Channel (PBCH) at a specific frequency position, determining a presence or non-presence of system information corresponding to the first synchronization signal block within a first synchronization raster corresponding to a specific frequency position based on a system information indicator included in the PBCH, and if the system information corresponding to the first synchronization signal block is determined as not existing, determining a second synchronization raster having system information exist therein based on the system information indicator.

Method and apparatus for receiving system information in the wireless communication

A method of receiving a downlink (DL) signal by a user equipment (UE) operating on a frequency band above 6 GHz in a wireless communication system is discussed. The method includes receiving system information including first information related to one or more synchronization signal (SS) and PBCH (SS/PBCH) block groups and second information related to one or more SS/PBCH blocks within each of the one or more of SS/PBCH block groups; and receiving the DL signal in resources other than resources used for the one or more SS/PBCH blocks within each of the one or more of SS/PBCH block groups indicated by the first and second information.

Method and apparatus for receiving a synchronization signal

The present disclosure discloses a method for transmitting, by a terminal, an uplink reference signal for positioning in a wireless communication system. In particular, the above disclosure comprises: determining a first power value for a first uplink reference signal and a second power value for a second uplink reference signal; transmitting the first uplink reference signal through a first resource on the basis of the first power value; and transmitting the second uplink reference signal through a second resource on the basis of the second power value, wherein the first power value and the second power value may be different from each other, and the first resource and the second resource may be different from each other.

Method for transmitting and receiving uplink reference signal for positioning, and device therefor

Disclosed is a method for transmitting, by a terminal supporting a sidelink, a sidelink synchronization signal block (S-SSB) in a wireless communication system. Specifically, the present disclosure comprises transmitting, from a specific slot, an S-SSB including a primary sidelink synchronization signal (PSSS), a secondary sidelink synchronization signal (SSSS), and a physical sidelink broadcast channel (PSBCH), wherein the PSBCH is mapped to first orthogonal frequency division multiplexing (OFDM) symbols included in the specific slot, and the first OFDM symbols are located after second OFDM symbols for the SSSS.

Transmitting and receiving synchronization signal in wireless communication between terminals and apparatus therefor

Disclosed is a method for a terminal to report information related to reference signal measurement in a wireless communication system. In particular, the disclosed method is characterized by comprising: receiving a plurality of reference signals; measuring a time of arrival (ToA) for each of the plurality of reference signals; and transmitting identification information on the reference signal having the smallest ToA among the plurality of reference signals.

Method for reporting information related to reference signal measurement, and apparatus therefor

Disclosed is a method for reporting angle of departure (AoD) information by a base station in a wireless communication system. Particularly, the method is characterized by: transmitting multiple reference signals to a terminal; receiving, from the terminal, AoD information comprising information related to at least one reference signal obtained on the basis of the reception signal strength of the terminal, among the multiple reference signals; and transmitting the AoD information to a location server, wherein the multiple reference signals can be multiple synchronization signal/physical broadcast channel (SS/PBCH) blocks or multiple channel state information-reference signals (CSI-RSs).

Method for transmitting and receiving AoD information and device therefor

The present invention discloses a method for a terminal to receive a synchronization signal in a wireless communication system. Particularly, the method includes the steps of receiving a synchronization block including a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcasting channel (PBCH) and receiving a DMRS (demodulation reference signal) via resource region in which the PBCH is received. In this case, an index of the synchronization block can be determined in consideration of a sequence of the DMRS.

The present disclosure provides a method of transmitting a Physical Broadcasting Channel (PBCH) by a base station in a wireless communication system. Particularly, the method may include generating a PBCH payload including bits indicating a frame in which the PBCH is transmitted; scrambling at least some of the bits included in the PBCH payload using second and third least significant bits among the bits; and transmitting the bits of the PBCH payload including the at least some scrambled bits to a user equipment.

Method of transmitting and receiving broadcasting channel and device therefor

Disclosed according to the present invention is a method for reporting a reference signal timing difference (RSTD) value by a terminal, in a wireless communication system. Specifically, the method may comprise: transmitting a random access preamble related to a synchronization signal/physical broadcast channel block (SS/PBCH block) received from a particular cell among multiple cells; requesting a radio resource control (RRC) connection to the particular cell on the basis of a random access response (RAR) received from the particular cell, to make establishment of the RRC connection to the particular cell; receiving, from a location server, a cell group identifier for a cell group including the multiple cells and independent cell information for each of the multiple cells; detecting second PRS sequences transmitted from the respective multiple cells on the basis of a first PRS sequence related to the cell group identifier; and reporting, to the location server, at least one piece of reference signal timing difference (RSTD) information acquired on the basis of the second PRS sequences and the independent cell information.

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Seoul, South Korea

Youngsub Kim