Lg Electronics Inc.

Jongseob Baek

Woosuk Ko

Sungryong Hong

Jaehyung Kim

Chulkyu Mun

Seoyoung Back

Jaeho Hwang

Byounggill Kim

Woochan Kim

Kookyeon Kwak

Jinyong Choi

Jongwoong Shin

Hanbyul Seo

Byeongkook Jeong

Sangchul Moon

Myoungseob Kim

Seungmin Lee

Daesung Hwang

Jinwoo Kim

Kaibin Huang

Hakseong Kim

Chulkyu Moon

Zezhong Zhang

Disclosed are a method and apparatus for transmitting, by a first terminal, a first positioning reference signal (PRS) for relative positioning in a communication system that supports sidelink communication that supports a sidelink according to various embodiments. Disclosed are a method comprising the steps of: receiving a second PRS requesting transmission of the first PRS from a second terminal; measuring an angle of arrival (AoA) on the basis of the second PRS; determining a first PRS pattern of the first PRS on the basis of the AoA; determining a time resource region in which the transmission of the first PRS is requested on the basis of a second PRS pattern of the second PRS; and transmitting the first PRS on the basis of the first PRS pattern and the determined time resource region, and an apparatus therefor.

Method for performing relative positioning by terminal in wireless communication system supporting sidelink, and apparatus therefor

The present invention relates to a pre-configured positioning reference signal (PRS) transmission method for sidelink positioning, and an apparatus therefor. A method for performing, by means of a positioning terminal, on-demand positioning in a new radio-vehicle to everything (NR-V2X) communication system, according to one aspect, comprises the steps of: transmitting a request PRS through a sidelink channel; receiving a response PRS corresponding to the request PRS from a neighboring terminal through the sidelink channel; receiving a measurement result corresponding to the request PRS from the neighboring terminal; and performing positioning on the basis of the response PRS and the measurement result, wherein the positioning terminal transmits, to the neighboring terminal, resource allocation information for transmission of the response PRS corresponding to the request PRS, and the measurement result may be received through a resource for V2X data transmission.

Pre-configured PRS transmission method for sidelink positioning, and apparatus therefor

Disclosed is a method for a vehicle transmitting a signal in a wireless communication system. The method may comprise: receiving information on a road environment; driving a vehicle along a selected path on the basis of the information on the road environment; and, on the basis of satisfying a predetermined condition, transmitting a message for reserving a lane change to a specific lane among at least one lane included in the path. In addition, the message may include information on a virtual vehicle corresponding to the vehicle when in the specific lane. In addition, whether or not the predetermined condition is satisfied may be determined on the basis of: i) the right of way of the vehicle with respect to the lane changing; or ii) a back-off counter.

Method for vehicle transmitting signal in wireless communication system and vehicle therefor

An embodiment relates to a method for operating a user equipment (UE) in a wireless communication system, the method comprising the steps of: receiving, by a first UE, a plurality of messages from a plurality of UEs; and determining, by the first UE, whether there is a lost message, on the basis of the order in which the plurality of UEs have transmitted the plurality of messages and the order of reception times of the plurality of messages.

Method for operating UE in association with detection of lost message in wireless communication system

Proposed is an operation method for a first device () in a wireless communication system. The method may comprise the steps of: receiving a first positioning reference signal (PRS) from a second device (), on the basis of a first antenna (-), a second antenna (-), and a third antenna (-); obtaining a first time difference, on the basis of a first reception time at which the first PRS is received on the basis of the first antenna (-) and a second reception time at which the first PRS is received on the basis of the second antenna (-); obtaining a second time difference, on the basis of a third reception time at which the first RPS is received on the basis of the third antenna (-) and the first reception time; and obtaining the location of the first device (), on the basis of the first time difference and the second time difference.

Method and apparatus for performing DAS-based positioning

Disclosed is a method in which a first vehicle transmits a message in a wireless communication system. In the method, a message is generated on the basis of a user input with respect to a steering apparatus of the first vehicle, and the generated message is transmitted to at least one second vehicle present near the first vehicle by means of the wireless communication system on the basis of a transmission direction and transmission width for the message. The transmission direction and transmission width are determined on the basis of the user input.

Method for transmitting and receiving message in wireless communication system and vehicle therefor

Disclosed are a method and device for a first terminal to transmit a positioning reference signal (PRS) through a physical sidelink feedback channel (PSFCH) in a wireless communication system supporting sidelink communication according to various embodiments. Disclosed are a method and device, wherein the method comprises the steps of: allocating a first frequency resource region for a PRS within a resource region for the PSFCH so that the PRS is multiplexed with a feedback signal; transmitting allocation information on the first frequency resource region; and transmitting the PRS and the feedback signal through the PSFCH on the basis of the allocation information, wherein the size of the first frequency resource region is determined on the basis of the size of a pre-configured frequency resource for the feedback signal and the type of the multiplexing, and the allocation information includes information on the multiplexing type, the size of the first frequency resource region, and the start frequency of the first frequency resource.

Method and device for terminal to transmit positioning reference signal in wireless communication system supporting sidelink communication

The present disclosure relates to a positioning method using a sidelink, and a device. According to one aspect, a method of performing positioning through a sidelink by a vehicle terminal can comprise the steps of: receiving a request positioning reference signal (PRS) from a positioning terminal; determining the positioning terminal-based direction angle on the basis of the request PRS; determining a response PRS ID corresponding to the request PRS ID of a request RRS, on the basis of the determined direction angle; and transmitting a response PRS corresponding to the determined response PRS ID. The vehicle terminal is capable of communicating with at least one of another vehicle terminal, a UE related to an autonomous driving vehicle, the BS or a network.

Positioning method using sidelink, and device therefor

A method by which a terminal operates in a wireless communication system, according to one embodiment, comprises the steps of: receiving time difference of arrival (TDoA) slots from anchor nodes (ANs); and measuring the position of the terminal by using the TDoA slots, wherein the TDoA slots include control information of the ANs and positioning reference signals (PRSs) of the ANs.

Method and apparatus for measuring position of terminal in wireless communication system

A method and an apparatus for performing positioning by a user equipment (UE) in a wireless communication system supporting a sidelink according to various embodiments are disclosed. Disclosed are a method and an apparatus therefor, the method comprising the steps of: receiving a plurality of pieces of sidelink control information (SCI) including scheduling information of a PRS from a plurality of anchor nodes; receiving a plurality of PRSs on the basis of the plurality of pieces of SCI; on the basis of the positional relationship of the plurality of anchor nodes, detecting ambiguity in position measurement based on the plurality of PRSs; requesting an angle of arrival (AoA) report from one anchor node among the plurality of anchor nodes on the basis of the detected ambiguity in position measurement; and measuring the position of the UE on the basis of the plurality of PRSs and the reported AoA.

Method for performing positioning by user equipment in wireless communication system supporting sidelink, and apparatus therefor

The present invention relates to a method for sharing power and resources for on-demand sidelink positioning in a new radio-vehicle to everything (NR-V2X) communication system, and an apparatus therefor. A method by which a terminal shares power in a new radio-vehicle to everything (NR-V2X) communication system, according to one aspect, may comprise the steps of: configuring, in a physical sidelink feedback channel (PSFCH), transmission resources for HARQ-ACK feedback information (HFI) associated with an NR-V2X service and transmission resources for a positioning reference signal (PRS) associated with sidelink positioning; if transmissions of the PRS and the HFI are requested at the same time, allocating power on the basis of at least one from among priority corresponding to the PRS and priority corresponding to the HFI; and transmitting at least one from among the PRS and the HFI on the basis of the allocated power.

Method for sharing power and resources for sidelink positioning, and apparatus therefor

An embodiment is an operation method of a first terminal in a wireless communication system, the method comprising the steps of: receiving, by the first terminal, channel access authority from a second terminal; transmitting, by the first terminal, a message received from the second terminal; and transmitting, by the first terminal, the channel access authority to a next terminal of the second terminal which has transmitted the channel access authority.

Operation method associated with forwarder terminal in group driving in wireless communication system

The present invention relates to a method for performing positioning in a cellular-vehicle to everything (C-V2X) system, and a device therefor. A method for performing positioning in a terminal mounted on a positioning vehicle in a C-V2X communication system according to one aspect may comprise the steps of: measuring a time of flight (ToF) by performing road side unit (RSU) and round trip time (RTT) ranging; determining a positioning mode, wherein the positioning mode includes a self-positioning mode and a cooperative positioning mode; measuring the relative positions of surrounding vehicles by using a sensor provided in the positioning vehicle on the basis of the determined positioning mode being the cooperative positioning mode, and storing first positioning measurement information corresponding to the measured relative positions; selecting a surrounding vehicle on which to perform cooperative positioning; transmitting the first positioning measurement information to the selected surrounding vehicle; receiving second positioning measurement information from the selected surrounding vehicle; and determining the current location of the positioning vehicle on the basis of the first and second positioning measurement information.

Method for positioning sidelink and device therefor

Provided herein is a method of performing, by a first apparatus, wireless communication. The method may include the steps of transmitting a first signal to a second apparatus through at least one antenna; receiving a second signal from the second apparatus through each of the at least one antenna; obtaining the sequence and a distance between the first apparatus and the second apparatus based on the second signal; obtaining information related to the second apparatus based on the sequence; and obtaining first location information related to the first apparatus, based on the distance and the information.

Method and apparatus for positioning using backscatter tag

The present disclosure relates to a sidelink positioning method in a vehicle equipped with a distributed antenna, and a device therefor. A sidelink positioning method in a user equipment (UE) of a positioning vehicle equipped with a distributed antenna according to one aspect may comprise the steps of: performing a preliminary operation for sidelink positioning to select a nearby vehicle which is to participate in the positioning; exchanging, with the selected nearby vehicle, sidelink control information for the positioning; reselecting an antenna group, which is to participate in the positioning, on the basis of a signal received from the selected nearby vehicle; and performing the positioning using the reselected antenna group. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station (BS) or a network.

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Seoul, South Korea

Jongseob Baek