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公开(公告)号：US20230247564A1
公开(公告)日：2023-08-03
申请号：US18131537
申请日：2023-04-06
申请人： LG Electronics Inc.
发明人： Seungmin LEE , Hanbyul SEO , Daesung HWANG
CPC分类号： H04W52/242 , H04W4/40 , H04W52/243 , H04W52/367 , H04W56/001
摘要： A method by which a first device performs wireless communication, and a device for supporting same are provided. The method can comprise the steps of: acquiring synchronization related to sidelink (SL) communication from a synchronization reference; receiving information related to a first power control parameter; generating a sidelink synchronization signal block (S-SSB) including a sidelink primary synchronization signal (S-PSS), a sidelink secondary synchronization signal (S-SSS), and a physical sidelink broadcast channel (PSBCH); determining a first transmission power value on the basis of a downlink (DL) path loss between a base station and the first device and the information related to the first power control parameter; and transmitting the S-SSB to a second device on the basis of the first transmission power value and the synchronization related to the SL communication.
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公开(公告)号：US20230199838A1
公开(公告)日：2023-06-22
申请号：US18112800
申请日：2023-02-22
申请人： LG ELECTRONICS INC.
发明人： Seungmin LEE , Hanbyul SEO
IPC分类号： H04W74/08 , H04L5/00 , H04L1/1812 , H04W72/20
CPC分类号： H04W74/0808 , H04L1/1812 , H04L5/0055 , H04W72/20 , H04W4/40
摘要： A method of operating the first apparatus 100 in a wireless communication system is proposed. The method may include: performing resource selection for at least one period, wherein each of the at least one period includes at least one transmission resource; increasing a value related to a consecutive unused transmission opportunity by 1, based on that transmission is not performed on all transmission resources within a first period included in the at least one period; and triggering resource reselection based on that the value related to a consecutive unused transmission opportunity reaches a threshold value related to a consecutive unused transmission opportunity.
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公开(公告)号：US20230171741A1
公开(公告)日：2023-06-01
申请号：US18101841
申请日：2023-01-26
申请人： LG ELECTRONICS INC.
发明人： Woosuk KO , Hanbyul SEO , Seungmin LEE , Daesung HWANG
IPC分类号： H04W72/02 , H04W72/0446 , H04W72/54 , H04W72/25
CPC分类号： H04W72/02 , H04W72/0446 , H04W72/54 , H04W72/25
摘要： In one embodiment, a method by which a first device performs wireless communication is proposed. The method may comprise the steps of: determining at least one first candidate slot for selecting a first sidelink (SL) resource; performing sensing of at least one first slot related to the at least one first candidate slot; and selecting the first SL resource in the at least one first candidate slot on the basis of the sensing. For example, a first channel busy ratio (CBR) related to the at least one first slot may be measured on the basis of the number of the at least one first slot that is greater than or equal to a first threshold value.
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公开(公告)号：US20230156746A1
公开(公告)日：2023-05-18
申请号：US18051265
申请日：2022-10-31
申请人： LG ELECTRONICS INC.
发明人： Giwon PARK , Hanbyul SEO , Seungmin LEE , Seoyoung BACK
IPC分类号： H04W72/25 , H04W72/12 , H04W76/28 , H04L1/1812
CPC分类号： H04W72/25 , H04W72/12 , H04W76/28 , H04L1/1812
摘要： Provided are a method for performing wireless communication by a first device, and a device for supporting same. The method may comprise: obtaining a sidelink (SL) discontinuous reception (DRX) configuration including a value of a SL DRX retransmission timer; receiving, from a second device through a physical sidelink control channel (PSCCH), first sidelink control information (SCI) for scheduling of second SCI and a physical sidelink shared channel (PSSCH); receiving, from the second device through the PSSCH, the second SCI and data; determining a value of a SL DRX hybrid automatic repeat request (HARD) round trip time (RTT) timer as zero, based on that information related to a next retransmission resource is not included in the first SCI; and starting the SL DRX retransmission timer.
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公开(公告)号：US20230141004A1
公开(公告)日：2023-05-11
申请号：US18095462
申请日：2023-01-10
申请人： LG ELECTRONICS INC.
发明人： Jongwoo HONG , Youngdae LEE , Seoyoung BACK , Giwon PARK , Hanbyul SEO , Seungmin LEE
CPC分类号： H04W72/25 , H04W52/0229 , H04W72/1263 , H04W72/02 , H04W76/28 , H04W76/23
摘要： Provided are a method by which a first device performs wireless communication, and a device supporting same. The method may comprise the steps of: receiving sidelink control information (SCI) including scheduling information for a physical sidelink shared channel (PSSCH) from a second device through a physical sidelink control channel (PSCCH), wherein the SCI includes information related to frequency resource allocation, information related to time resource allocation, information related to a demodulation reference signal (DMRS) pattern, and information related to a modulation and coding scheme (MCS); receiving first auxiliary information from the second device through the PSSCH; selecting at least one sidelink (SL) resource on the basis of at least one of at least one SCI or the first auxiliary information; performing resource reselection for the at least one SL resource; and transmitting an auxiliary information request to the second device on the basis of the resource reselection.
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公开(公告)号：US20230127945A1
公开(公告)日：2023-04-27
申请号：US17995045
申请日：2021-04-28
申请人： LG ELECTRONICS INC.
发明人： Woosuk KO , Hanbyul SEO
摘要： An operating method of a first device (100) in a wireless communication system is presented. The method may comprise the steps of: receiving, from a second device (200), through a first band, a positioning request including at least one candidate band and information related to positioning; determining, from the at least one candidate band, a second band on the basis of the number of devices present in each candidate band and a value related to the communication range based on the first device (100); transmitting, to the second device (200), through the first band, a positioning response including information related to the determined second band; and transmitting, to the second device (200), through the second band, a first positioning reference signal (PRS) on the basis of the information related to positioning.
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公开(公告)号：US20230124233A1
公开(公告)日：2023-04-20
申请号：US17778763
申请日：2020-11-20
申请人： LG ELECTRONICS INC.
发明人： Seungmin LEE , Hanbyul SEO
IPC分类号： H04W24/08 , H04W72/121 , H04W72/25
摘要： According to one embodiment of the present disclosure, provided is a method by which a first device performs sidelink communication. The method comprises the steps of: receiving a first DCI including information on a resource for LTE sidelink communication of the first device through a PDCCH from an NR base station; transmitting an SCI to a second device through a PSCCH on the basis of the resource; and transmitting data to the second device through a PSSCH related to the PSCCH, wherein the size of the first DCI can be adjusted from the size of a second DCI to the size of the first DCI, on the basis of the size of the first DCI that is obtained by the NR base station through at least one second DCI different from the first DCI.
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公开(公告)号：US20230069396A1
公开(公告)日：2023-03-02
申请号：US17981909
申请日：2022-11-07
申请人： LG Electronics Inc.
发明人： Daesung HWANG , Seungmin LEE , Hanbyul SEO
摘要： A method for performing wireless communication by a first device and a device for supporting same are provided. The method may comprise the steps of receiving a physical sidelink shared channel (PSSCH) from a second device; determining a physical sidelink feedback channel (PSFCH) resource associated with the PSSCH; and transmitting hybrid automatic repeat request (HARQ) feedback to the second device on the PSFCH resource. Here, the PSFCH resource can be determined on the basis of a sub channel associated with the PSSCH, a slot associated with the PSSCH, a cast type of communication between the first device and the second device, an ID of the first device, and a source ID of the second device.
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公开(公告)号：US20230062805A1
公开(公告)日：2023-03-02
申请号：US17789371
申请日：2020-12-24
申请人： LG ELECTRONICS INC.
发明人： Jongseob BAEK , Hanbyul SEO
摘要： 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.
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公开(公告)号：US20230045750A1
公开(公告)日：2023-02-09
申请号：US17958836
申请日：2022-10-03
申请人： LG Electronics Inc.
发明人： Woosuk KO , Hanbyul SEO , Seungmin LEE
摘要： A method for performing wireless communication by a first device includes: receiving, from a base station, downlink control information (DCI) for scheduling a sidelink (SL) resource, the DCI including information related to time between a physical sidelink feedback channel (PSFCH) resource and a physical uplink control channel (PUCCH) resource and information related to the PUCCH resource; transmitting, to a second device, a plurality of physical sidelink control channels (PSCCHs) and a plurality of physical sidelink shared channels (PSSCHs) based on the DCI; determining a plurality of PSFCH resources based on an index of a slot and a sub channel related to the plurality of PSSCHs and a source ID of the first device; receiving a plurality of pieces of SL HARQ feedback related to the plurality of PSSCHs; and transmitting, to the base station, one piece of SL hybrid automatic repeat request (HARQ) feedback on one PUCCH resource.
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