Method and apparatus for transmitting or receiving wireless signal in wireless communication system

Abstract

A method in which a first device according to at least one example disclosed in the present specification operates in a wireless communication system may comprise the steps of: receiving configuration information including different types of positioning-related configurations; receiving a reference signal for positioning; and transmitting a measurement report for the reference signal based on at least one of the different types of positioning-related configurations, where the event conditions are associated with the different types of positioning-related configurations, respectively, and transmitting a measurement report for the reference signal based on satisfying the first event condition. The first device transmits a measurement report for a reference signal based on a first type of positioning-related configuration associated with a first event condition.

Description

Technical Field

[0001] The present disclosure relates to a wireless communication system, and more particularly, to a method and apparatus for transmitting and receiving wireless signals. Background Art

[0002] In general, wireless communication systems are developing to cover a wide range in various ways to provide communication services such as audio communication services, data communication services, etc. Wireless communication is a multiple access system that can support communication with multiple users by sharing available system resources (e.g., bandwidth, transmission power, etc.). For example, the multiple access system can be any of a code division multiple access (CDMA) system, a frequency division multiple access (FDMA) system, a time division multiple access (TDMA) system, an orthogonal frequency division multiple access (OFDMA) system, and a single carrier frequency division multiple access (SC-FDMA) system. Summary of the invention

[0003] Technical issues

[0004] An object of the present disclosure is to provide a method and apparatus for efficiently performing a wireless signal transmission / reception process.

[0005] Those skilled in the art will understand that the objectives that can be achieved using the present disclosure are not limited to those specifically described above, and the above and other objectives that can be achieved by the present disclosure will be more clearly understood from the following detailed description.

[0006] Technical Solution

[0007] According to an aspect, a method for operating a first device in a wireless communication system includes the following steps: receiving configuration information including different types of positioning-related configurations; receiving a reference signal for positioning; and sending a measurement report for the reference signal based on at least one of the different types of positioning-related configurations. The event conditions may be associated with different types of positioning-related configurations, respectively. Based on satisfying a first event condition, the first device may send a measurement report for the reference signal based on the first type of positioning-related configuration associated with the first event condition.

[0008] The configuration information may include information about event conditions associated with different types of positioning-related configurations.

[0009] At least one event condition may be related to a reference signal received power (RSRP) measured via a reference signal.

[0010] Different types of positioning related configurations may include configurations for phase measurement based positioning and configurations for timing based positioning. Based on whether the associated event condition is met, the first device may select phase measurement based positioning or timing based positioning.

[0011] At least one event condition may be related to a line-of-sight (LoS) / non-line-of-sight (NLoS) determination for a reference signal.

[0012] The measurement report for the reference signal may be related to multiple transmission and reception points (TRPs). It may be determined based on the reference signal from a reference TRP among the multiple TRPs whether each event condition is satisfied.

[0013] The first device may receive information about at least one candidate positioning-related configuration that the first device can select from among different types of positioning-related configurations provided in the configuration information.

[0014] The first device may be a user equipment (UE), and the reference signal may be a downlink positioning reference signal (PRS) provided from at least one BS or at least one TRP.

[0015] The configuration information may be received via high-layer signaling from at least one BS or at least one TRP or via high-layer signaling from an LMF node.

[0016] According to another aspect, there may be provided a processor-readable recording medium having recorded thereon a program for executing the above-described method.

[0017] According to another aspect, a first apparatus for performing the above operations may be provided.

[0018] According to another aspect, a method for receiving a measurement report from a first device by a second device in a wireless communication system includes the following steps: sending configuration information including different types of positioning-related configurations to the first device; and receiving a measurement report for a reference signal from the first device based on at least one of the different types of positioning-related configurations. The event conditions may be associated with different types of positioning-related configurations, respectively. Based on satisfying the first event condition, the second device may receive a measurement report for the reference signal from the first device based on the first type of positioning-related configuration associated with the first event condition.

[0019] According to another aspect, a second apparatus for performing the method of receiving a measurement report may be provided.

[0020] Beneficial Effects

[0021] According to the embodiments of the present disclosure, a wireless signal transmission / reception process may be performed accurately and efficiently.

[0022] Those skilled in the art will appreciate that the effects that can be achieved using the present disclosure are not limited to those specifically described above, and other advantages of the present disclosure will be more clearly understood from the following detailed description in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1Physical channels used in a 3rd Generation Partnership Project (3GPP) system as an exemplary wireless communication system and a general signal transmission method using the same are shown.

[0024] Figure 2 Shows the radio frame structure.

[0025] Figure 3 A resource grid showing time slots.

[0026] Figure 4 An exemplary mapping of physical channels in time slots is shown. Figure 1 Physical channels used in a 3rd Generation Partnership Project (3GPP) system as an exemplary wireless communication system and a general signal transmission method using the same are shown.

[0027] Figure 2 Shows the radio frame structure.

[0028] Figure 3 A resource grid showing time slots.

[0029] Figure 4 An exemplary mapping of physical channels in time slots is shown.

[0030] Figure 5 An exemplary physical downlink shared channel (PDSCH) reception and acknowledgement / negative acknowledgement (ACK / NACK) transmission process is shown.

[0031] Figure 6 An exemplary physical uplink shared channel (PUSCH) transmission process is shown.

[0032] Figure 7 An example of setting a positioning protocol is shown.

[0033] Figure 8 An example of OTDOA is shown.

[0034] Fig. 9 An example of multiple RTT is shown.

[0035] Fig.10 The operation process of a network node (eg, an upper node of a UE or LMF) according to an embodiment is shown.

[0036] Fig.11 The operation process of the UE performing positioning measurement is shown.

[0037] Fig.12 It is a diagram for explaining operations of a UE and a network according to an embodiment.

[0038] Fig.13 is a diagram for explaining the operation of the first device according to the embodiment.

[0039] Fig.14 2 is a diagram for explaining the operation of the second device according to the embodiment.

[0040] Figures 15 to 18 An example of the communication system 1 and the wireless device applicable to the present disclosure is shown. DETAILED DESCRIPTION

[0041] Embodiments of the present disclosure are applicable to various wireless access technologies such as code division multiple access (CDMA), frequency division multiple access (FDMA), time division multiple access (TDMA), orthogonal frequency division multiple access (OFDMA), and single carrier frequency division multiple access (SC-FDMA). CDMA can be implemented as a radio technology such as Universal Terrestrial Radio Access (UTRA) or CDMA2000. TDMA can be implemented as a radio technology such as Global System for Mobile Communications (GSM) / General Packet Radio Service (GPRS) / Enhanced Data Rates for GSM Evolution (EDGE). OFDMA can be implemented as a radio technology such as Institute of Electrical and Electronics Engineers (IEEE) 802.11 (Wireless Fidelity (Wi-Fi)), IEEE 802.16 (Worldwide Interoperability for Microwave Access (WiMAX)), IEEE 802.20, and Evolved UTRA (E-UTRA). UTRA is part of Universal Mobile Telecommunications System (UMTS). 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) is a part of Evolved UMTS (E-UMTS) using E-UTRA, and LTE-Advanced (A) is an evolved version of 3GPP LTE. 3GPP NR (New Radio or New Radio Access Technology) is an evolved version of 3GPP LTE / LTE-A.

[0042] As more and more communication devices require greater communication capacity, enhanced mobile broadband communications relative to traditional radio access technologies (RATs) are needed. In addition, large-scale machine-type communications (MTC), which can provide various services anytime and anywhere by connecting multiple devices and objects, is another important issue to be considered in the next generation of communications. Discussions are also underway to design communication systems that take into account services / UEs that are sensitive to reliability and latency. Therefore, discussions are underway to introduce new radio access technologies that take into account enhanced mobile broadband communications (eMBB), massive MTC, and ultra-reliable low-latency communications (URLLC). In the embodiments of the present disclosure, for simplicity, this technology will be referred to as NR (new radio or new RAT).

[0043] For the sake of brevity, 3GPP NR is mainly described, but the technical concept of the present disclosure is not limited thereto.

[0044] For background information, definitions of terms, and abbreviations related to the present disclosure, the following documents are incorporated by reference.

[0045] -38.211: Physical channels and modulation

[0046] -38.212: Multiplexing and channel coding

[0047] -38.213: Physical layer procedures for control

[0048] -38.214: Physical layer procedures for data

[0049] -38.215: Physical layer measurements

[0050] -38.300: NR and NG-RAN general description

[0051] -38.304: User Equipment (UE) procedures in idle mode and RRC inactive state

[0052] -38.321: Medium Access Control (MAC) Protocol Specification

[0053] -38.331: Radio Resource Control (RRC) protocol specification

[0054] -37.213: Introduction of channel access procedures for unlicensed spectrum for NR-based access

[0055] -36.355: LTE positioning protocol

[0056] -37.355: LTE positioning protocol

[0057] Terms and abbreviations

[0058] -5GC: 5G core network

[0059] -5GS: 5G system

[0060] -AoA: Angle of Arrival

[0061] -AP: Access Point

[0062] -CID: Cell ID

[0063] -E-CID: Enhanced Cell ID

[0064] -GNSS: Global Navigation Satellite System

[0065] -GPS: Global Positioning System

[0066] -LCS: Location Services

[0067] -LMF: Location Management Function

[0068] -LPP: LTE Positioning Protocol

[0069] -MO-LR: Mobile Originated Location Request

[0070] -MT-LR: Mobile Termination Location Request

[0071] -NRPPa: NR Positioning Protocol A

[0072] -OTDOA: Observed Time Difference of Arrival

[0073] -PDU: Protocol Data Unit

[0074] -PRS: Positioning Reference Signal

[0075] -RRM: Radio Resource Management

[0076] -RSSI: Received Signal Strength Indicator

[0077] -RSTD: Reference Signal Time Difference

[0078] -ToA: Time of arrival

[0079] -TP: Transmit Point

[0080] -TRP: Transmit and Receive Point

[0081] -UE: User Equipment

[0082] -SS: Search Space

[0083] -CSS: Common Search Space

[0084] -USS: UE-specific search space

[0085] -PDCCH: Physical Downlink Control Channel

[0086] -PDSCH: Physical Downlink Shared Channel

[0087] -PUCCH: Physical Uplink Control Channel

[0088] -PUSCH: Physical Uplink Shared Channel

[0089] -DCI: Downlink Control Information

[0090] -UCI: Uplink Control Information

[0091] -SI: System Information

[0092] -SIB: System Information Block

[0093] -MIB: Master Information Block

[0094] -RRC: Radio Resource Control

[0095] -DRX: Discontinuous Reception

[0096] -RNTI: Radio Network Temporary Identifier

[0097] -CSI: Channel State Information

[0098] -PCell: Primary cell

[0099] -SCell: Secondary cell

[0100] -PSCell: Primary SCG (Secondary Cell Group) cell

[0101] -CA: Carrier Aggregation

[0102] -WUS: wake-up signal

[0103] -TX: Transmitter

[0104] -RX: Receiver

[0105] In a wireless communication system, a user equipment (UE) receives information from a base station (BS) through a downlink (DL) and transmits information to the BS through an uplink (UL). The information transmitted and received by the BS and the UE includes data and various control information, and includes various physical channels according to the type / purpose of the information transmitted and received by the UE and the BS.

[0106] Figure 1 Physical channels used in the 3GPP NR system and a general signal transmission method using the same are shown.

[0107] When the UE is powered on again from a power-off state or enters a new cell, in step S101, the UE performs an initial cell search process (e.g., establishes synchronization with the BS). To this end, the UE receives a synchronization signal block (SSB) from the BS. The SSB includes a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH). The UE establishes synchronization with the BS based on the PSS / SSS and obtains information such as a cell identity (ID). The UE can obtain broadcast information in the cell based on the PBCH. The UE can receive a DL reference signal (RS) during the initial cell search process to monitor the DL channel status.

[0108] After the initial cell search, the UE may acquire more specific system information by receiving a physical downlink control channel (PDCCH) and receiving a physical downlink shared channel (PDSCH) based on information of the PDCCH in step S102.

[0109] The UE may perform a random access procedure to access the BS in steps S103 to S106. For random access, the UE may send a preamble to the BS on a physical random access channel (PRACH) (S103) and receive a response message to the preamble on a PDCCH and a PDSCH corresponding to the PDCCH (S104). In the case of contention-based random access, the UE may perform a contention resolution procedure by further sending a PRACH (S105) and receiving a PDCCH and a PDSCH corresponding to the PDCCH (S106).

[0110] After the foregoing process, the UE may receive PDCCH / PDSCH (S107) and send a physical uplink shared channel (PUSCH) / physical uplink control channel (PUCCH) (S108) as a general downlink / uplink signal transmission process. The control information sent from the UE to the BS is called uplink control information (UCI). UCI includes hybrid automatic repeat and request confirmation / negative determination (HARQ-ACK / NACK), scheduling request (SR), channel state information (CSI), etc. CSI includes channel quality indicator (CQI), precoding matrix indicator (PMI), rank indicator (RI), etc. Although UCI is usually sent on PUCCH, UCI may be sent on PUSCH when control information and business data need to be sent simultaneously. In addition, UCI may be sent aperiodically via PUSCH according to the request / command of the network.

[0111] Figure 2 The radio frame structure is shown. In NR, uplink transmission and downlink transmission are configured in frames. Each radio frame has a length of 10ms and is divided into two 5ms half frames (HF). Each half frame is divided into five 1ms subframes (SF). A subframe is divided into one or more time slots, and the number of time slots in a subframe depends on the subcarrier spacing (SCS). Depending on the cyclic prefix (CP), each time slot includes 12 or 14 orthogonal frequency division multiplexing (OFDM) symbols. When a normal CP is used, each time slot includes 14 OFDM symbols. When an extended CP is used, each time slot includes 12 OFDM symbols.

[0112] Table 1 exemplarily shows that the number of symbols per slot, the number of slots per frame, and the number of slots per subframe vary according to the SCS when a normal CP is used.

[0113] [Table 1]

[0114] <![CDATA[SCS(15*2 u )]]> <![CDATA[N slot symb ]]> <![CDATA[N frame,u slot ]]> <![CDATA[N subframe,u slot ]]> 15KHz(u=0) 14 10 1 30KHz(u=1) 14 20 2 60KHz(u=2) 14 40 4 120KHz(u=3) 14 80 8 240KHz(u=4) 14 160 16

[0115] *N slot symb : The number of symbols in a time slot

[0116] *N frame,u slot : Number of time slots in a frame

[0117] *N subframe,u slot : Number of time slots in a subframe

[0118] Table 2 shows that the number of symbols per slot, the number of slots per frame, and the number of slots per subframe vary according to the SCS when the extended CP is used.

[0119] [Table 2]

[0120] <![CDATA[SCS(15*2 u )]]> <![CDATA[N slot symb ]]> <![CDATA[N frame,u slot ]]> <![CDATA[N subframe,u slot ]]> 60KHz(u=2) 12 40 4

[0121] The structure of the frame is only an example. The number of subframes, the number of time slots, and the number of symbols in a frame may vary.

[0122] In the NR system, OFDM parameter sets (e.g., SCS) may be configured differently for multiple cells aggregated for one UE. Therefore, the (absolute time) duration of a time resource (e.g., SF, time slot, or TTI) (referred to as a time unit (TU) for simplicity) consisting of the same number of symbols may be configured differently between aggregated cells. Here, the symbol may include an OFDM symbol (or CP-OFDM symbol) and an SC-FDMA symbol (or a discrete Fourier transform-spread-OFDM (DFT-s-OFDM) symbol).

[0123] Figure 3 A resource grid showing a time slot. A time slot includes multiple symbols in the time domain. For example, when a normal CP is used, a time slot includes 14 symbols. However, when an extended CP is used, a time slot includes 12 symbols. A carrier includes multiple subcarriers in the frequency domain. A resource block (RB) is defined as a plurality of consecutive subcarriers (e.g., 12 consecutive subcarriers) in the frequency domain. A bandwidth part (BWP) may be defined as a plurality of consecutive physical RBs (PRBs) in the frequency domain and corresponds to a single parameter set (e.g., SCS, CP length, etc.). A carrier may include up to N (e.g., five) BWPs. Data communication may be performed via enabled BWPs, and only one BWP may be enabled for a UE. In a resource grid, each element is referred to as a resource element (RE), and a complex symbol may be mapped to each RE.

[0124] Figure 4An example of mapping physical channels in a time slot is shown. In the NR system, a frame is characterized by a self-contained structure in which a DL control channel, DL or UL data, and a UL channel can all be included in one time slot. For example, the first N symbols of a time slot can be used to carry a DL channel (e.g., PDCCH) (hereinafter referred to as a DL control region), and the last M symbols of a time slot can be used to carry a UL channel (e.g., PUCCH) (hereinafter referred to as a UL control region). Each of N and M is an integer equal to or greater than 0. The resource region (hereinafter referred to as the data region) between the DL control region and the UL control region can be used to send DL data (e.g., PDSCH) or UL data (e.g., PUSCH). The guard period (GP) provides a time gap for switching from a transmit mode to a receive mode or from a receive mode to a transmit mode. Some symbols in a subframe when switching from DL to UL can be configured as GPs.

[0125] PDCCH transmits DCI. For example, PDCCH (i.e., DCI) may carry information about the transmission format and resource allocation of the DL shared channel (DL-SCH), resource allocation information of the uplink shared channel (UL-SCH), paging information about the paging channel (PCH), system information about DL-SCH, information about resource allocation of high-level control messages (e.g., RAR sent on PDSCH), transmit power control commands, information about the activation / release of the configured scheduling, etc. DCI includes a cyclic redundancy check (CRC). The CRC is masked using various identifiers (IDs) (e.g., radio network temporary identifier (RNTI)) according to the owner or purpose of the PDCCH. For example, if the PDCCH is used for a specific UE, the CRC is masked by the UE ID (e.g., cell-RNTI (C-RNTI)). If the PDCCH is used for a paging message, the CRC is masked by the paging-RNTI (P-RNTI). If the PDCCH is for system information (eg, system information block (SIB)), the CRC is masked by a system information RNTI (SI-RNTI). When the PDCCH is for RAR, the CRC is masked by a random access-RNTI (RA-RNTI).

[0126] Figure 5 An exemplary PDSCH reception and ACK / NACK transmission process is shown. Figure 5, the UE may detect the PDCCH in time slot #n. The PDCCH includes DL scheduling information (e.g., DCI format 1_0 or DCI format 1_1), and indicates the DL assignment to PDSCH offset K0 and PDSCH-HARQ-ACK report offset K1. After receiving the PDSCH in time slot #(n+K0) according to the scheduling information of time slot #n, the UE may send UCI on the PUCCH in time slot #(n+K1). The UCI may include a HARQ-ACK response to the PDSCH. In the case where the PDSCH is configured to carry up to one TB, the HARQ-ACK response may be configured in one bit. In the case where the PDSCH is configured to carry up to two TBs, if spatial bundling is not configured, the HARQ-ACK response may be configured in 2 bits, and if spatial bundling is configured, the HARQ-ACK response may be configured in 1 bit. When slot #(n+K1) is designated as HARQ-ACK transmission timing of a plurality of PDSCHs, UCI transmitted in slot #(n+K1) includes HARQ-ACK responses to the plurality of PDSCHs.

[0127] Figure 6 An exemplary PUSCH transmission process is shown. Figure 6 , the UE may detect the PDCCH in slot #n. The PDCCH includes DL scheduling information (e.g., DCI format 1_0 or 1_1). Then, the UE may send the PUSCH in slot #(n+K2) according to the scheduling information in slot #n. The PUSCH includes the UL-SCH TB.

[0128] position

[0129] Positioning may refer to determining the geographic location and / or velocity of a UE based on measurements of radio signals. Location information may be requested and reported by a client (e.g., an application) associated with the UE. Location information may also be requested by a client within or connected to the core network. Location information may be reported in a standard format (e.g., a format based on cells or geographic coordinates) together with an estimated error in the location and velocity of the UE and / or the positioning method used for positioning.

[0130] Figure 7 is a diagram illustrating an exemplary positioning protocol configuration for positioning a UE, to which various embodiments are applicable.

[0131] Reference Figure 7, LTE Positioning Protocol (LPP) can be used as a point-to-point protocol between a location server (E-SMLC and / or SLP and / or LMF) and a target device (UE and / or SET) for positioning the target device using location-related measurements obtained from one or more reference resources. The target device and the location server can exchange measurement and / or location information based on signal A and / or signal B via LPP.

[0132] NRPPa may be used for information exchange between reference sources (access nodes and / or BSs and / or TPs and / or NG-RAN nodes) and location servers.

[0133] The NRPPa protocol provides the following functions.

[0134] -E-CID position information transmission. This function allows the reference source to exchange position information with the LMF for E-CID positioning.

[0135] -OTDOA information transfer. This function allows the reference source to exchange information with the LMF for OTDOA positioning.

[0136] - Reporting of general error conditions. This feature allows reporting of general error conditions for which no function-specific error messages have been defined.

[0137] Positioning methods supported in NG-RAN may include GNSS, OTDOA, E-CID, air pressure sensor positioning, WLAN positioning, Bluetooth positioning, TBS, uplink time difference of arrival (UTDOA), etc. Although any one positioning method may be used for UE positioning, two or more positioning methods may be used for UE positioning.

[0138] OTDOA (Observed Time Difference of Arrival)

[0139] Figure 8 is a diagram illustrating an observed time difference of arrival (OTDOA) positioning method to which various embodiments are applicable.

[0140] The OTDOA positioning method uses the time measured for DL ​​signals received by the UE from multiple TPs including eNB, ng-eNB, and PRS-only TPs. The UE uses the location assistance data received from the location server to measure the time of the received DL signals. The location of the UE can be determined based on such measurement results and the geographic coordinates of neighboring TPs.

[0141] A UE connected to a gNB may request a measurement gap from a TP to perform OTDOA measurements. If the UE does not know the SFN of at least one TP in the OTDOA assistance data, the UE may use autonomous gaps to obtain the SFN of the OTDOA reference cell before requesting a measurement gap for performing reference signal time difference (RSTD) measurements.

[0142] Here, RSTD may be defined as the minimum relative time difference between two subframe boundaries received from the reference cell and the measurement cell. That is, RSTD may be calculated as the relative time difference between the start time of the subframe received from the measurement cell and the start time of the subframe from the reference cell that is closest to the subframe received from the measurement cell. The reference cell may be selected by the UE.

[0143] For accurate OTDOA measurement, it is necessary to measure the time of arrival (ToA) of signals received from three or more TPs or BSs distributed geographically. For example, the ToA of each of TP 1, TP 2, and TP 3 can be measured, and the RSTD of TP 1 and TP 2, the RSTD of TP 2 and TP 3, and the RSTD of TP 3 and TP 1 are calculated based on the three ToA values. A geometric hyperbola is determined based on the calculated RSTD values, and the intersection of the curves of the hyperbola can be estimated as the position of the UE. In this case, the accuracy and / or uncertainty of each ToA measurement may occur, and according to the measurement uncertainty, the estimated position of the UE can be referred to as a specific range.

[0144] For example, the RSTD of two TPs may be calculated based on the following Equation 1.

[0145] [Formula 1]

[0146]

[0147] In equation 1, c is the speed of light, {x t ,y t} are the (unknown) coordinates of the target UE, {x i ,y i} are the (known) coordinates of the TP, and {x1, y1} are the coordinates of the reference TP (or another TP). i -T1) is the transmission time offset between the two TPs, called the “real time difference” (RTD), n i and n1 is the UE ToA measurement error value.

[0148] E-CID (Enhanced Cell ID)

[0149] In the cell ID (CID) positioning method, the location of the UE can be measured based on the geographic information of the UE's serving ng-eNB, serving gNB and / or serving cell. For example, the geographic information of the serving ng-eNB, serving gNB and / or serving cell can be obtained through paging, registration, etc.

[0150] In addition to the CID positioning method, the E-CID positioning method may also use additional UE measurements and / or NG-RAN radio resources to improve the UE position estimate. Although the E-CID positioning method may partially utilize the same measurement method as the measurement control system on the RRC protocol, additional measurements only for UE position measurement are generally not performed. In other words, additional measurement configurations or measurement control messages may not be provided for UE position measurement. The UE is not expected to request additional measurement operations only for position measurement, and the UE may report measurement values ​​obtained by a generally measurable method.

[0151] For example, the serving gNB may use the E-UTRA measurements provided by the UE to implement the E-CID positioning method.

[0152] For example, the measurement elements that can be used for E-CID positioning may be as follows.

[0153] -UE measurements: E-UTRA Reference Signal Received Power (RSRP), E-UTRA Reference Signal Received Quality (RSRQ), UE E-UTRA Receive (Rx)-Transmit (Tx) Time Difference, GERAN / WLAN Reference Signal Strength Indicator (RSSI), UTRAN Common Pilot Channel (CPICH) Received Signal Code Power (RSCP) and / or UTRAN CPICH Ec / Io

[0154] -E-UTRAN measurements: ng-eNB Rx-Tx time difference, timing advance (T ADV ) and / or AoA

[0155] Here, T ADV It can be divided into type 1 and type 2 as follows.

[0156] T ADV Type 1 = (ng-eNB Rx-Tx time difference) + (UE E-UTRA Rx-Tx time difference)

[0157] T ADV Type 2 = ng-eNB Rx-Tx time difference

[0158] AoA can be used to measure the direction of the UE. AoA is defined as the estimated counterclockwise angle of the UE relative to the eNB / TP. In this case, the geographic reference direction may be north. The eNB / TP may use UL signals such as SRS and / or DMRS to perform AoA measurements. The measurement accuracy of AoA increases as the arrangement of the antenna array increases. When the antenna array is arranged at the same interval, the signals received at adjacent antenna elements may have a constant phase rotation.

[0159] UTDOA (Uplink Time Difference of Arrival)

[0160] UTDOA is a method of determining the location of a UE by estimating the arrival time of an SRS. When calculating the estimated SRS arrival time, the serving cell can be used as a reference cell to estimate the location of the UE by the arrival time difference with another cell (or base station / TP). To implement UTDOA, the E-SMLC may indicate the serving cell of the target UE in order to instruct the target UE to send an SRS. In addition, the E-SMLC may provide configurations such as periodic / aperiodic SRS, bandwidth, and frequency / group / sequence hopping.

[0161] Multiple RTT (Round Trip Time)

[0162] Fig. 9 is a diagram illustrating an exemplary multiple round trip time (multi-RTT) positioning method to which various embodiments are applicable.

[0163] Reference Fig. 9 (a) shows an exemplary RTT process, in which the initiating device and the responding device perform ToA measurement, and the responding device provides the ToA measurement to the initiating device for RTT measurement (calculation). The initiating device can be a TRP and / or a UE, and the responding device can be a UE and / or a TRP.

[0164] The initiating device may send an RTT measurement request, and the responding device may receive the RTT measurement request (1301).

[0165] The initiating device may send an RTT measurement signal at t0, and the responding device may obtain a ToA measurement at t1 (1303).

[0166] The responding device may send an RTT measurement signal at t2, and the initiating device may obtain a ToA measurement at t3 (1305).

[0167] The responding device may send information about [t2-t1], and the initiating device may receive the information and calculate the RTT through Equation 2 (1307). The information (1305) may be sent and received based on a separate signal or in an RTT measurement signal.

[0168] [Formula 2]

[0169] RTT = t3-t0-[t2-t1]

[0170] Reference Fig. 9 (b), RTT may correspond to double ranging between two devices. Positioning estimation may be performed from the corresponding information, and multi-point positioning may be used for positioning estimation. d1, d2, and d3 may be determined based on the measured RTT, and the location of the target device may be determined as the intersection of the circumferences of circles with radii d1, d2, and d3 centered at BS1, BS2, and BS3 (or TRP), respectively.

[0171] Event-triggered positioning adaptation

[0172] Various techniques can be used to perform positioning in NR, including timing-based methods (e.g., DL-TDOA, UL-RTOA, multi-RTT), angle-based methods (e.g., AoA, AoD), and cell ID-based methods (e.g., E-CID) as described above. In addition, in Rel-18, support for positioning based on carrier phase measurement (i.e., NR carrier phase measurement) is discussed.

[0173] Phase measurement based positioning described herein may include at least one of CPM and / or ScPM:

[0174] -Carrier Phase Measurement (CPM): In CPM-based positioning, a method of performing and utilizing phase measurement based on a carrier frequency of a received signal to measure a propagation delay of a reference signal caused by a distance between a BS and a UE has been discussed.

[0175] - Subcarrier Phase Measurement (ScPM): (In addition to CPM) the ScPM method is also considered, where the BS and UE obtain and utilize the trend of the phase difference between subcarriers from measurements via received reference signals.

[0176] CPM-based positioning techniques are similar to timing-based positioning techniques in that the propagation delay caused by the distance between the BS and the UE is obtained from the measurement. CPM-based positioning may be suitable for achieving higher positioning accuracy than timing-based positioning, but it differs from timing-based positioning techniques in that it provides distance information for larger distances without ambiguity.

[0177] Each positioning method may have different advantages and disadvantages and may be useful in different environments. For example, in the case of CPM-based positioning, when the channel environment is good, it may be advantageous to obtain precise positioning accuracy in centimeters. However, when the channel environment is poor, the accuracy may be significantly reduced due to issues such as integer ambiguity and the impact of non-line-of-sight (NLoS) paths, and may have relatively low efficiency when considering the required UE complexity and reporting overhead. An example of the integer ambiguity problem is that when phase = α + 2π * β, if β is an integer, the measured phase value may be the same as α, so there may be problems with ambiguity because it is difficult to distinguish between integer values ​​such as β = 0, 1, 2...

[0178] In the current NR standard, when the UE is instructed from the LMF to provide a measurement report for a specific positioning method, the measurement report needs to be complied with regardless of the channel environment or state of the UE. Therefore, there is a problem that when the indicated positioning scheme is not suitable for the expected target accuracy or when it is difficult to obtain measurements using the positioning scheme due to the influence of the channel environment, the UE cannot independently determine and perform another form of positioning.

[0179] In view of the above problems, this specification proposes a method for UE to select an appropriate positioning method or measurement and reporting operation based on a specific event. For example, the UE may select an appropriate positioning method or measurement and reporting operation based on a specific event to obtain a more reliable positioning result and prevent inefficient positioning operations by considering events that the UE can measure (e.g., a given channel state). In particular, the proposed method may be useful when supporting measurements with similar characteristics (e.g., CPM-based positioning and timing-based positioning) and supporting dynamic switching between two or more positioning schemes with complementary advantages and disadvantages.

[0180] This specification describes a method for proposing a CPM-based positioning and a timing-based positioning scheme based on a 3GPP NR system. However, the proposed method is not limited thereto, and can be generally extended and applied even when there are two or more positioning schemes to be supported by the BS and the UE and when the positioning schemes are consistent or related in the operation of performing measurements. Therefore, the proposed method can be applied to all types of transmission and reception methods expected by the BS and the UE.

[0181] One or more of the methods presented below may be applied in combination, or may operate independently without any separate combination.Some of the terms, symbols and sequences used may be replaced with other terms, symbols and sequences.

[0182] According to an embodiment of the present specification, when an upper node instructs a UE to perform and / or report positioning, there may be one or more possible methods of positioning methods executed according to the instruction, and a method is proposed in which the UE selects and executes one of the positioning methods based on a specific event.

[0183] In this case, the upper node is a node that indicates positioning, and in NR, the LMF can be used as an upper node. However, when there is a specific UE that indicates positioning or triggers an operation to another UE, the concept of the upper node mentioned in the present disclosure can be provided to the specific UE, for example, the concept of the upper node can be provided to the BS or UE (for example, when performing SL positioning).

[0184] Fig.10 The operation process of a network node (eg, an upper node of a UE or LMF) according to an embodiment is shown.

[0185] Reference Fig.10 , the upper node may generate configuration information for positioning and send the configuration information to the UE (FC101). In this case, the configuration information may include information about the positioning method to be performed by the UE, and may also include configuration information required to perform the positioning method. For example, the configuration information may be provided to the UE via a high-layer signal (e.g., positioning SIB) sent from the BS or via high-layer signaling (e.g., LPP) sent from the LMF.

[0186] The upper node may then send instruction information indicating positioning to the target UE intended to obtain positioning information (FC102). In this case, the instruction information may include information about a positioning method that the UE can select based on the indicated information. For example, the instruction information may be provided to the UE via a high-layer signaling (e.g., LPP) sent from the LMF.

[0187] The upper node may then receive the positioning measurement results reported by the target UE and use the results to perform an operation to estimate the position of the target UE. In this case, the upper node may obtain information about the positioning method performed by the UE based on the information reported by the UE. For example, a report may be provided to the UE via high-level signaling (e.g., LPP) sent from the LMF.

[0188] Fig.11 The operation process of the UE performing positioning measurement is shown.

[0189] Reference Fig.11 , the UE may receive the configuration information of the positioning, and then is expected to perform the positioning operation based on the configured information (FC201). In this case, the configuration information may include information about the positioning method to be performed by the UE, and may also include configuration information required to perform the positioning method. For example, the configuration information may be provided to the UE through a high-layer signal (e.g., positioning SIB) sent from the BS or through a high-layer signaling (e.g., LPP) sent from the LMF.

[0190] Then, the UE may monitor and receive the positioning instruction information indicated by the positioning upper node (FC202). In this case, the instruction information may include information about the positioning method that the UE can select based on the indicated information. For example, the instruction information may be provided to the UE via high-level signaling (e.g., LPP) sent from the LMF.

[0191] Then, the UE may select a positioning method or a measurement target based on the conditions of the scheduled event (FC203). In this case, whether to configure the event and the conditions required to determine the event may be determined based on the received configuration information or instruction information.

[0192] Then, the UE may select a positioning method or configure a measurement report result according to the result determined by the event (FC204a and FC204b). The example in the figure shows a structure for selecting one of the two methods by an event, but the method proposed in the present disclosure is not limited to the example in the figure, and can generally be applied to a method for selecting one of one or more methods.

[0193] Then, the UE may report the result of the performed positioning measurement to the upper node (FC205). For example, the report information may be provided to the LMF via a higher layer signaling (eg, LPP) sent from the UE.

[0194] [Proposal 1] Positioning command information provided by the upper node to the UE

[0195] The method of configuring the positioning instruction information provided by the upper node to the UE and the accompanying operation of the UE may be selected from one of the following options, or two or more options may be combined and used.

[0196] (Option 1-1) The instruction information includes information on one or more positioning methods, and the UE selects a positioning method based on an event.

[0197] Option 1-1 proposes a method in which the instruction information provided by the upper node to the UE includes information about one or more positioning methods. In this case, the positioning method provided in the instruction information may indicate a candidate positioning method that the UE can select, and proposes a method for selecting one of the positioning methods provided in the instruction information according to an event condition. In this case, the positioning method not provided in the positioning method provided in the instruction information may be configured not to be selected according to the event condition.

[0198] In Proposal 1, the UE may select and execute one of the positioning methods indicated by the instruction information based on the event condition. In this case, the UE may be configured not to select a positioning method not provided in the instruction information.

[0199] In Proposal 1, the upper node may provide the UE with instruction information related to the positioning method that the UE can select based on the event condition through instruction information, and it is expected that the UE can select and execute one of the positioning methods. In this case, when there is a positioning method that the upper node intends to instruct the UE not to execute, it may be determined not to include the positioning method in the instruction information.

[0200] As an example of the application of Proposal 1, the LMF may determine the positioning method candidates that the UE can select and provide the candidates to the UE through the LPP. In this case, the LPP provided by the LMF may be the auxiliary data sent as the ProvideAssistanceData message body defined in the 3GPP TS 37.355 standard. This method may be beneficial to reduce the signaling overhead when the positioning method candidates do not change frequently. Alternatively, the LPP provided by the LMF may be the positioning measurement request sent as the RequestLocationInformation message body defined in the 3GPP TS 37.355 standard. The advantage of this method is that the LMF can quickly switch the information about the required positioning method candidates according to the situation.

[0201] An advantage of Proposal 1 is that information on activation / deactivation of a positioning method to be selected by the UE is provided dynamically and / or individually to the UE, while specific information on each positioning method is additionally transmitted.

[0202] (Option 1-2) The instruction information includes information on one positioning method, and the UE selects a positioning method to be actually performed based on an event.

[0203] Option 1-2 proposes a method in which the instruction information provided by the upper node to the UE includes information about a positioning method. In this case, the positioning method provided in the instruction information may indicate a candidate positioning method that the UE can select, and proposes a method for selecting the positioning method provided in the instruction information when an event condition is met. When the event condition is not met (or the positioning method provided in the instruction information is not allowed to be applied due to the event condition), it may be determined to select a specific predefined positioning method.

[0204] The UE may determine whether to apply the positioning method indicated by the instruction information based on the event condition. In this case, the UE may select the positioning method provided in the instruction information or select another specific positioning method not included in the instruction information according to the event condition.

[0205] The upper node may provide instruction information related to the positioning method that the UE can select based on the event condition through the instruction information. In this case, the upper node may expect that the UE may execute the positioning method provided in the instruction information or another specific positioning method.

[0206] The relationship between the positioning method provided in the instruction information and the specific positioning method to be selected through the event condition may be predetermined according to the standard, or may be predetermined by the upper node, thereby providing information to the UE. For example, a positioning method based on phase measurement and a positioning method based on timing may be determined as candidates for positioning methods to be selected based on event conditions. As a specific example, the positioning method based on phase measurement may include a CPM-based positioning method and a ScPM-based positioning method, and the timing-based positioning method may include a TDOA positioning method. The upper node may provide in advance information indicating that a positioning method based on phase measurement and a positioning method based on timing may be selected based on event conditions, and determine to indicate a method through the instruction information.

[0207] Option 1-2 may include a method depending on the positioning method indicated to be selected according to event conditions. For example, when a specific positioning method (hereinafter, Pos-A) is indicated by instruction information, another specific positioning method (hereinafter, Pos-B) may be allowed to be selected according to event conditions. On the contrary, when Pos-B is indicated by instruction information, it may be determined that Pos-A is not allowed to be selected according to event conditions. As a specific example, if phase measurement-based positioning is indicated by instruction information, the UE may be allowed to select timing-based positioning according to event conditions. However, when timing-based positioning is indicated by instruction information, selection of a positioning method based on event conditions may not be allowed. This may be to allow the UE to select an appropriate positioning method considering the channel environment while instructing the UE to perform high-accuracy positioning only when an upper node is required, while preventing the application of unnecessary high-accuracy positioning methods when an upper node is not required.

[0208] For example, the LMF may determine the positioning method candidates that the UE can select and provide the candidates to the UE via the LPP. In this case, the LPP provided by the LMF may be auxiliary data sent as the ProvideAssistanceData message body defined in the 3GPP TS 37.355 standard. The information provided in this case may include the positioning method to be selected according to the event condition, and may also include whether the positioning method can be selected according to the event condition through the instruction information (for example, in the above example, Pos-A or Pos-B). Then, the LMF may indicate one of the positioning methods via the LPP of the positioning measurement request sent as the RequestLocationInformation message body defined in the 3GPP TS 37.355 standard. If supported or configured, when the positioning method indicated by the instruction information corresponds to Pos-A, the UE may perform the selection of the positioning method according to the event condition, and when the positioning method corresponds to Pos-B, the UE may be determined to perform the indicated positioning method.

[0209] When options 1-2 are applied, the specific positioning measurement instruction of the positioning method selected according to the event condition may not be indicated in the instruction information. Therefore, when the UE selects the positioning method selected according to the event condition instead of the positioning method indicated by the instruction information, a method for determining information about the specific positioning measurement to be assumed and applied may be required. To this end, one of the following sub-options may be used.

[0210] (Sub-option 1-2-A) When using a positioning method selected according to an event condition, it may be determined to use information from a single default positioning measurement defined in the standard. This may be advantageous in that this simplifies UE operation without incurring separate signaling overhead.

[0211] (Sub-option 1-2-B) When using a positioning method selected according to an event condition, it may be determined to use one of a plurality of default positioning measurement information candidates defined in the standard, and the selection reference may be determined to be based on the positioning measurement information provided for the positioning method indicated by the instruction information. The advantage may be that this allows adaptive positioning measurement to be performed without incurring separate signaling overhead.

[0212] (Sub-option 1-2-C) The upper node may provide, through separate configuration information, a connection relationship between the positioning measurement information of the positioning method selected according to the event condition and the positioning measurement information of the positioning method indicated by the instruction information, and when using the positioning method selected according to the event condition, the UE may be configured to use the positioning measurement information having a connection relationship with the positioning measurement information provided for the positioning method indicated by the instruction information. This may be advantageous in terms of flexibility by allowing the upper node to determine the positioning measurement level as needed.

[0213] Option 1-2 may be useful for dynamically and / or individually providing the UE with information regarding the activation / deactivation of a positioning method to be selected by the UE without significantly increasing the signaling overhead for providing instruction information.

[0214] (Option 1-3) Signaling information indicating whether event-based positioning method selection is allowed.

[0215] Option 1-3 proposes a method in which the instruction information provided by the upper node to the UE includes information on whether to allow (or prefer) to select a positioning method according to an event condition. In this case, when allowed, the UE may determine the positioning method by considering the event condition, for example, Option 1-1 or Option 1-2 proposed in the present disclosure may be applied. When not allowed, the UE may follow the positioning method indicated by the corresponding instruction information and determine not to perform the operation according to the event condition. When the information is information about a preference, the UE may determine whether to perform the selection of the positioning method according to the event condition by considering the preference of the upper node.

[0216] In options 1-3, the UE may determine whether to select the positioning method to be applied based on whether the event condition indicated by the instruction information is allowed. In this case, when allowed, the UE may select the positioning method provided in the instruction information or select another specific positioning method not included in the instruction information according to the event condition. When not allowed, the UE may only apply the positioning method indicated by the instruction information.

[0217] In options 1-3, the upper node may provide information through instruction information on whether the UE can select a positioning method based on an event condition. In this case, when the upper node allows the UE to select a positioning method based on an event condition, the upper node may expect the UE to execute the positioning method provided in the instruction information or execute another specific positioning method. Alternatively, when the upper node does not allow the UE to select a positioning method based on an event condition, the upper node may expect the UE to use the positioning method indicated by the indication information.

[0218] As an example of options 1-3, the LMF may determine whether to allow the selection of the positioning method according to the event condition and provide the determination to the UE through the LPP. In this case, the LPP provided by the LMF may be auxiliary data sent as the ProvideAssistanceData message body defined in the 3GPP TS 37.355 standard, which may be beneficial for reducing signaling overhead. Alternatively, the LPP provided by the LMF may be a positioning measurement request sent as the RequestLocationInformation message body defined in the 3GPP TS 37.355 standard, which may be advantageous in that the LMF can quickly switch the operation of the UE according to the situation.

[0219] The advantage of options 1-3 may be that it allows the UE to freely select an appropriate positioning method by dynamically and / or individually providing the UE with the ability to select a positioning method based on event conditions, while providing a structure that allows the upper layer UE to indicate a specific positioning method with less signaling overhead when necessary.

[0220] When using Proposal 1, if the UE selects a positioning method based on an event condition, the UE may determine to include the result in a measurement report and send the result to an upper node.

[0221] Proposal 1 may be determined to be applied only to some positioning methods that the UE can support. When there is a combination of a positioning method to be selected according to an event condition (hereinafter, PM_set A) and a positioning method to be performed regardless of the event condition (hereinafter, PM_set B), when the instruction information includes only information about the positioning method belonging to PM_set A, the UE may determine to select one positioning method, when the instruction information includes only information about the positioning method belonging to PM_set B, the UE may determine to select all positioning methods provided in the instruction information, and when the instruction information includes positioning methods belonging to PM_set A and PM_set B, the UE may determine to select one of the positioning methods belonging to PM_set A and all positioning methods of PM_set B. In this case, the information about the positioning methods included in PM_set A (or PM_set B) may be information predefined in the standard or configured by an upper node.

[0222] As an example of this, consider the case where PM_set A includes a positioning method based on phase measurement and a positioning method based on timing. As a specific example, the positioning method based on phase measurement may include a positioning method based on CPM and a positioning method based on ScPM, and the positioning method based on timing may include a TDOA positioning method. What these two schemes have in common is that the scheme estimates the influence of the propagation delay of the reference signal between the transmitting node and the receiving node, and considering the difference between the relatively favorable channel environment and the achievable accuracy, it can be expected that the advantage of the scheme is that the UE can select an appropriate positioning method according to the event conditions, while performing consistent measurement reports for the information to be expressed.

[0223] [Proposal 2] Event Condition Reference

[0224] The event condition reference used by the UE to determine the positioning method may be one of the following options or a combination of two or more options.

[0225] (Option 2-1) Configure event conditions based on signal measurements (e.g., RSRP)

[0226] In option 2-1, at least one signal measurement may be used as an event condition for determining a positioning method. At least one signal measurement may include RSRP. The signal used for RSRP measurement may include a reference signal (e.g., PRS) used by the UE for positioning measurement, or another reference signal (e.g., SSB or CSI-RS / TRS) related to the reference signal (e.g., transmitted with the same TRP and / or assuming a QCL relationship) may be used.

[0227] In detail, whether an event occurs may be determined based on whether the RSRP value of a specific reference signal used as an event condition has a value equal to or greater than a specific threshold. In this case, the reference of RSRP may be predetermined according to a standard, or a value determined by an upper node and provided to the UE may be used. Alternatively, the reference of RSRP may be used in a manner such that the UE determines (or prefers) a value by itself and reports the value to the upper node.

[0228] For example, when the proposed NR DL positioning method is applied, the event condition of RSRP may be determined based on TRP, PRS resource set and / or PRS resource. If the TRP or PRS resource set is used as a reference, the maximum (or minimum) RSRP value among the PRS resources provided in the same TRP or PRS resource set may be applied as a reference for the event condition, or the average RSRP value may be applied as a reference for the event condition.

[0229] When one TRP (or PRS resource) allows measurement of multiple paths (eg, RSRPP measurement can be performed), the RSRP reference used can be determined to be applied based on one path, for example, the RSRP value using the first path can be determined.

[0230] For example, it may be considered to select a positioning method based on phase measurement and a positioning method based on timing according to an event condition based on RSRP. As a specific example, as described above, the positioning method based on phase measurement may include at least one of a CPM-based positioning method and a ScPM-based positioning method, and the positioning method based on timing may include a TDOA positioning method. In this case, if the RSRP of the reference signal used as a reference has a value equal to or greater than a specific threshold, the UE may determine to select a positioning method based on phase measurement, and if not, the UE may determine to select a positioning method based on timing. Considering that the positioning method based on phase measurement requires relatively high SINR performance while providing relatively high positioning accuracy, and the positioning method based on timing provides relatively stable positioning accuracy even under low SINR performance, this may be a useful method.

[0231] An advantage of Option 2-1 is that it allows the UE to select a positioning method based on the RSRP measured by the UE in a situation where the optimal positioning method may differ according to the RSRP value of the received signal (ie, SINR situation).

[0232] (Option 2-2) Configure event conditions based on LOS-NLOS environment

[0233] Option 2-2 proposes a method of using the impact of the LOS-NLOS environment as an event condition to determine the positioning method. In this case, the signal used to calculate the impact of the LOS-NLOS environment can be a reference signal (e.g., PRS) used by the UE for positioning measurement, or another reference signal (e.g., SSB or CSI-RS / TRS) related to the reference signal (e.g., sent at the same TRP and / or a QCL relationship can be assumed) can be used. As a specific example, the impact of the LOS-NLOS environment can be measured using a reference to the LOS-NLOS indicator defined in the 3GPP NR Rel-17 standard.

[0234] In detail, whether an event occurs may be determined based on whether the LOS-NLOS indicator value used as an event condition has a value equal to or greater than a specific threshold. In this case, the reference of the LOS-NLOS indicator may be predetermined according to a standard, or a value determined by an upper node and provided to the UE may be used. Alternatively, the reference of the LOS-NLOS indicator may be used in a manner in which the UE determines (or prefers) a value by itself and reports the value to the upper node.

[0235] For example, it may be considered to select a positioning method based on phase measurement and a positioning method based on timing according to an RSRP-based event condition. As a specific example, the positioning method based on phase measurement may include a positioning method based on CPM and a positioning method based on ScPM, and the positioning method based on timing may include a TDOA positioning method. In this case, if the scale of the LOS-NLOS environment of the reference signal used as a reference has a value equal to or greater than a specific threshold, the UE may determine to select a positioning method based on phase measurement, and if not, the UE may determine to select a positioning method based on timing. Considering that the positioning method based on phase measurement may be sensitive to performance degradation due to the NLOS path because the method provides relatively high positioning accuracy, while the positioning method based on timing may be less sensitive to NLOS because the method provides relatively low-resolution positioning accuracy, this may be a useful method.

[0236] Option 2-2 is expected to have an advantageous effect of allowing the UE to select a positioning method based on the LOS-NLOS environmental conditions measured by the UE in a case where the optimal positioning method may differ depending on the LOS-NLOS environmental conditions of the received signal.

[0237] [Proposal 3] UE configures measurement reports based on event conditions

[0238] The method by which the UE determines the positioning method based on the event condition and configures the measurement report accordingly may be one of the following options, or two or more options may be combined.

[0239] (Option 3-1) Apply event conditions based on reference TRP

[0240] Option 3-1 proposes a method for determining a positioning method by applying event conditions based on signals sent and received relative to a reference TRP. To this end, the method may include a process in which an upper node or UE determines a reference TRP and sends and receives information about the reference TRP. In this case, the reference TRP means a TRP used as a reference when the UE reports positioning measurement results of one or more TRPs. For example, when the TDOA scheme supported by the 3GPP NR standard is used, the reference TRP may be a TRP used as a timing reference for reporting timing measurement values ​​of other TRPs (hereinafter referred to as Other-TRP). When positioning based on phase measurement is introduced, a similar method may be applied so that the TRP that is a phase reference for a phase measurement report may be defined as a reference TRP. In the proposed method, the reference to the reference TRP may be replaced with a reference to a reference PRS resource set or a reference to a reference PRS resource and used.

[0241] In option 3-1, if the positioning method is determined based on the event conditions applied to the reference signals sent and received in the reference TRP, the same positioning method can be applied to all remaining Other-TRPs to calculate the positioning measurement, and the measured positioning measurement values ​​can be reported.

[0242] Option 3-1 may be advantageous in simplifying the operation of the UE because the UE determines the positioning method by applying event conditions based on a single TRP.

[0243] (Option 3-2) Determine the positioning method based on the number of TRPs that meet the event conditions

[0244] Option 3-2 proposes a method for applying event conditions to individual signals sent and received for multiple TRPs and determining a positioning method commonly applied to the positioning report based on the overall results of the event conditions. In this case, multiple TRPs may include a reference TRP and may also include Other-TRPs. To this end, the method may include a process in which an upper node or UE determines a reference TRP and sends and receives information about the reference TRP. In this case, the reference TRP means a TRP used as a reference when the UE reports the positioning measurement results of one or more TRPs. For example, when the TDOA scheme supported by the 3GPP NR standard is used, the reference TRP may be a TRP used as a timing reference for reporting timing measurement values ​​of other TRPs (hereinafter referred to as Other-TRPs). When phase measurement-based positioning is introduced, a similar method may be applied so that the TRP used as a phase reference for the phase measurement report may be defined as a reference TRP. In the proposed method, the reference to the reference TRP may be replaced with a reference to a reference PRS resource set or a reference to a reference PRS resource and used.

[0245] In option 3-2, for each reference signal received by the UE from multiple TRPs, it is determined whether the event condition is met, and the positioning method is determined based on whether the number of TRPs (or PRS resources or PRS resource sets) that meet the event condition exceeds a threshold. According to the determined positioning method, the positioning measurement of the TRP (or PRS resource or PRS resource set) to be reported is calculated, and the measured positioning measurement value is reported.

[0246] In this case, the TRP (or PRS resource or PRS resource set) to be reported may be determined based on the event condition. For example, if the number of TRPs (or PRS resources or PRS resource sets) that satisfy the event condition exceeds a threshold, the TRPs (or PRS resources or PRS resource sets) that are the target of the report may be selected in whole or in part by limiting them to the TRPs (or PRS resources or PRS resource sets) that satisfy the event condition. On the contrary, if the number of TRPs (or PRS resources or PRS resource sets) that satisfy the event condition is less than or equal to the threshold, it may be determined that the TRPs (or PRS resources or PRS resource sets) that are the target of the report may be selected in whole or in part from all TRPs (or PRS resources or PRS resource sets) for which the UE successfully receives the reference signal.

[0247] In this case, the threshold value may be a value preset by a standard or a value determined by an upper node and provided to the UE. Alternatively, the threshold value may be obtained by reporting a value determined (or preferred) by the UE to the upper node.

[0248] Option 3-2 may have the advantage of receiving a result that satisfies the event condition in terms of the upper node that is the subject of performing the final positioning, because whether the environment in which the reference signal is received for each TRP is suitable for a specific positioning method is considered. Considering that the accuracy of the final positioning result may be affected by the number of TRPs used for positioning, if the number of TRPs suitable for applying a specific positioning method is insufficient, it may have the advantage of implementing an adaptive measurement report for the environment by determining not to use the corresponding positioning method but to apply an alternative positioning method.

[0249] (Option 3-3) The positioning method for each TRP is determined by applying event conditions based on each target TRP.

[0250] Option 3-3 proposes a method of applying event conditions to each signal sent and received for multiple TRPs and determining a positioning method to be applied to the positioning report for each TRP. In this case, the multiple TRPs may include Other-TRP. To this end, the method may include a process in which an upper node or UE determines a reference TRP and sends and receives information about the reference TRP. In this case, the reference TRP means a TRP used as a reference when the UE reports the positioning measurement results of one or more TRPs. For example, when the TDOA scheme supported by the 3GPP NR standard is used, the reference TRP may be a TRP used as a timing reference for reporting timing measurement values ​​of other TRPs (hereinafter referred to as Other-TRP). When phase measurement-based positioning is introduced, a similar method can be applied so that the TRP that is a phase reference for the phase measurement report can be defined as a reference TRP. In the proposed method, the reference to the reference TRP can be replaced with a reference to a reference PRS resource set or a reference to a reference PRS resource and used.

[0251] In option 3-3, for each reference signal received by the UE from multiple TRPs, it is determined whether the event condition is met, and the positioning method to be applied is determined for each TRP (or PRS resource or PRS resource set) based on whether the event condition is met. The positioning measurement of the TRP (or PRS resource or PRS resource set) to be reported is calculated according to each determined positioning method, and the measured positioning measurement value is reported.

[0252] In this case, the TRP (or PRS resource or PRS resource set) to be reported may be determined differently according to the positioning method determined based on the event condition. For example, if the positioning method is a TRP determined by a phase measurement-based positioning method according to the event condition, the reporting target may be determined based on the information of the reference TRP used in the positioning report. As a specific example, the TRP to be reported may be determined so that all or part of the TRP is selected only from a group (e.g., a positioning frequency layer) that shares the same configuration information as the reference TRP. If another positioning method determined according to the event condition is a timing-based positioning method, the UE may determine to select all or part of the TRP that successfully receives the reference signal regardless of the information of the reference TRP. If the event condition is met, but the group does not share the same configuration information as the reference TRP, the TRP may be excluded from the reporting target, or may be considered to be a TRP that does not meet the event condition, and another positioning method (e.g., a timing-based positioning method) may be applied to determine whether the corresponding TRP is a reporting target. This may be to select the TRP to be reported by applying differences in the method of determining the reporting target according to the positioning method. For example, in the case of positioning based on phase measurements, factors such as carrier frequency and / or initial phase error may differ according to the group (e.g., frequency layer), whereas in the case of a TDOA scheme, it may be suitable to support measurements regardless of the frequency layer of the TRP.

[0253] Option 3-3 may have the advantage of receiving a result that satisfies the event condition in terms of the upper node that is the subject of performing the final positioning, because it takes into account whether the environment in which the reference signal is received for each TRP is suitable for a specific positioning method. When different positioning schemes (e.g., phase measurement-based positioning and time-based positioning) having common measurement characteristics are selected based on the event condition, it may be advantageous to allow both positioning schemes rather than discarding the measurement results of the TRP (or PRS resource or PRS resource set) that does not satisfy the event condition, thereby providing more information to the upper node when calculating the final positioning result.

[0254] Fig.12 FIG. 1 is a diagram for explaining operations of a UE and a network according to an embodiment. Fig.12 In the present invention, the network may include multiple network nodes (eg, BS / TRP and LMF server). For convenience of explanation, the term LMF used may be replaced by other terms. Fig.12 This is an implementation example of the above-mentioned proposals 1 to 3. Please refer to the contents described in proposals 1 to 3 to help understand Fig.12 .

[0255] Reference Fig.12, the LMF may send positioning-related configuration information to the UE via high-layer signaling (1205). The positioning-related configuration information provided by the LMF may be sent to the UE via the BS / TRP. The positioning-related configuration information may include different types of positioning-related configurations. Different types of positioning-related configurations may include at least one of a configuration for phase measurement-based positioning (e.g., CPM or ScPM) and a configuration for timing-based positioning (e.g., OTDOA / RSTD). Different event conditions may be associated with different types of positioning-related configurations, respectively. The event conditions may be based on the above-mentioned Proposal 2. For example, at least one event condition may be related to a reference signal received power (RSRP) measured via a reference signal. At least one event condition may be related to a line-of-sight (LoS) / non-line-of-sight (NLoS) determination for a reference signal.

[0256] The BS / TRP may send a positioning-related reference signal to the UE (1210). The UE may measure the positioning-related reference signal and determine whether various event conditions are met based on the measurement (1215).

[0257] Based on the satisfaction of the specific event condition and the positioning-related configuration associated with the satisfied specific event condition, the UE may send a measurement report for the reference signal (1220). The measurement report may be sent to the LMF via the BS / TRP.

[0258] For example, based on satisfying an event condition related to phase measurement-based positioning (e.g., CPM or ScPM), the UE may autonomously determine to perform measurement / reporting for phase measurement-based positioning (e.g., CPM or ScPM). Based on satisfying an event condition associated with timing-based positioning (e.g., OTDOA / RSTD), the UE may autonomously determine to perform measurement / reporting for timing-based positioning (e.g., OTDOA / RSTD). In other words, the UE may select phase measurement-based positioning (e.g., CPM, ScPM) or timing-based positioning (e.g., OTDOA / RSTD) based on whether the associated event condition is satisfied.

[0259] For example, whether various event conditions are met may be determined based on a reference signal from a reference TRP specified by the network.

[0260] For example, the UE may receive information indicating candidate positioning-related configurations that the UE can select by itself from the network. For example, based on satisfying an event condition, the UE may receive information about candidates among different types of positioning-related configurations that the UE can select by itself.

[0261] Fig.13 2 is a diagram for explaining the operation of a first device according to an embodiment. The first device may be a UE or a network node (eg, a BS or a TRP) in a wireless communication system.

[0262] Reference Fig.13 The first device may receive configuration information including different types of positioning-related configurations (A05). The event conditions may be associated with different types of positioning-related configurations, respectively. The configuration information may include information about event conditions associated with different types of positioning-related configurations.

[0263] The first device may receive a reference signal for positioning (A10).

[0264] The first device may send a measurement report for the reference signal based on at least one of different types of positioning-related configurations (A15). Based on satisfying the first event condition, the first device may send a measurement report for the reference signal based on a first type of positioning-related configuration associated with the first event condition.

[0265] At least one event condition may be related to a reference signal received power (RSRP) measured via a reference signal.

[0266] At least one event condition may be related to a line-of-sight (LoS) / non-line-of-sight (NLoS) determination for a reference signal.

[0267] Different types of positioning related configurations may include a phase measurement based positioning configuration and a timing based positioning configuration. Based on whether the associated event condition is met, the first device may select phase measurement based positioning or timing based positioning.

[0268] Measurement reports for reference signals may be related to multiple transmission and reception points (TRPs). Whether each event condition is met may be determined based on a reference signal from a reference TRP among the multiple TRPs.

[0269] The first device may receive information about at least one candidate positioning-related configuration that the first device can select from among different types of positioning-related configurations provided in the configuration information.

[0270] The first device may be a user equipment (UE), and the reference signal may be a downlink positioning reference signal (PRS) provided from at least one BS or at least one TRP.

[0271] The configuration information may be received via high-layer signaling from at least one BS or at least one TRP or via high-layer signaling from an LMF node.

[0272] Fig.14 2 is a diagram for explaining the operation of the second device according to an embodiment. The second device may include at least one network node (eg, BS / TRP and / or LMF) in a wireless communication system.

[0273] Reference Fig.14The second device may send configuration information including different types of positioning-related configurations to the first device (B05). The event conditions may be associated with different types of positioning-related configurations, respectively.

[0274] The second device may receive a measurement report for the reference signal based on at least one of the different types of positioning-related configurations (B10). Based on satisfying the first event condition, the second device may receive a measurement report for the reference signal from the first device based on a first type of positioning-related configuration associated with the first event condition.

[0275] At least one event condition may be related to a reference signal received power (RSRP) measured via a reference signal.

[0276] At least one event condition may be related to a line-of-sight (LoS) / non-line-of-sight (NLoS) determination for a reference signal.

[0277] Different types of positioning related configurations may include configurations for phase measurement based positioning and configurations for timing based positioning. Based on whether the associated event condition is met, the first device may select phase measurement based positioning or timing based positioning.

[0278] Measurement reports for reference signals may be related to multiple transmission and reception points (TRPs). Whether each event condition is met may be determined based on a reference signal from a reference TRP among the multiple TRPs.

[0279] The second device may transmit, to the first device, information about at least one candidate positioning-related configuration that the first device can select from among different types of positioning-related configurations provided in the configuration information.

[0280] The reference signal may be a downlink positioning reference signal (PRS) provided from at least one BS or at least one TRP.

[0281] Configuration information may be provided via higher layer signaling.

[0282] Fig.15 A communication system 1 applied to the present disclosure is shown.

[0283] Reference Fig.15, the communication system 1 applied to the present disclosure includes a wireless device, a base station (BS), and a network. Herein, a wireless device refers to a device that performs communication using a radio access technology (RAT) (e.g., 5G new RAT (NR) or long term evolution (LTE)), and may be referred to as a communication / radio / 5G device. The wireless device may include, but is not limited to, a robot 100a, vehicles 100b-1 and 100b-2, an extended reality (XR) device 100c, a handheld device 100d, a home appliance 100e, an Internet of Things (IoT) device 100f, and an artificial intelligence (AI) device / server 400. For example, a vehicle may include a vehicle with a wireless communication function, an autonomous driving vehicle, and a vehicle capable of performing communication between vehicles. Herein, a vehicle may include an unmanned aerial vehicle (UAV) (e.g., a drone). XR devices may include augmented reality (AR) / virtual reality (VR) / mixed reality (MR) devices, and may be implemented in the form of a head mounted device (HMD), a head up display (HUD) installed in a vehicle, a television, a smart phone, a computer, a wearable device, a home appliance device, a digital sign, a vehicle, a robot, etc. Handheld devices may include smart phones, smart boards, wearable devices (e.g., smart watches or smart glasses), and computers (e.g., notebooks). Home appliances may include TVs, refrigerators, and washing machines. IoT devices may include sensors and smart meters. For example, a BS and a network may be implemented as wireless devices, and a specific wireless device 200a may operate as a BS / network node relative to other wireless devices.

[0284] The wireless devices 100a to 100f may be connected to the network 300 via the BS 200. The AI ​​technology may be applied to the wireless devices 100a to 100f, and the wireless devices 100a to 100f may be connected to the AI ​​server 400 via the network 300. The network 300 may be configured using a 3G network, a 4G (e.g., LTE) network, or a 5G (e.g., NR) network. Although the wireless devices 100a to 100f may communicate with each other via the BS 200 / network 300, the wireless devices 100a to 100f may perform direct communication (e.g., side link communication) with each other without passing through the BS / network. For example, vehicles 100b-1 and 100b-2 may perform direct communication (e.g., vehicle-to-vehicle (V2V) / vehicle-to-everything (V2X) communication). An IoT device (e.g., a sensor) may perform direct communication with other IoT devices (e.g., a sensor) or other wireless devices 100a to 100f.

[0285] Wireless communication / connection 150a, 150b or 150c may be established between wireless devices 100a to 100f / BS200 or BS200 / BS200. Herein, wireless communication / connection may be established through various RATs (e.g., 5G NR) such as uplink / downlink communication 150a, sidelink communication 150b (or D2D communication) or inter-BS communication (e.g., relay, integrated access backhaul (IAB)). The wireless device and the BS / wireless device may send / receive radio signals to / from each other through wireless communication / connection 150a and 150b. For example, wireless communication / connection 150a and 150b may send / receive signals through various physical channels. To this end, at least a portion of various configuration information for configuring processes for sending / receiving radio signals, various signal processing processes (e.g., channel coding / decoding, modulation / demodulation, and resource mapping / demapping), and resource allocation processes may be performed based on various proposals of the present disclosure.

[0286] Fig.16 A wireless device suitable for use with the present disclosure is shown.

[0287] Reference Fig.16 , the first wireless device 100 and the second wireless device 200 may transmit radio signals via various RATs (e.g., LTE and NR). Herein, {the first wireless device 100 and the second wireless device 200} may correspond to Fig.15 {wireless device 100x and BS 200} and / or {wireless device 100x and wireless device 100x}.

[0288] The first wireless device 100 may include one or more processors 102 and one or more memories 104, and further include one or more transceivers 106 and / or one or more antennas 108. The processor 102 may control the memory 104 and / or the transceiver 106, and may be configured to implement the description, functions, processes, proposals, methods, and / or operation flowcharts disclosed in this document. For example, the processor 102 may process the information in the memory 104 to generate first information / signals, and then transmit a radio signal including the first information / signals through the transceiver 106. The processor 102 may receive a radio signal including second information / signals through the transceiver 106, and then store information obtained by processing the second information / signals in the memory 104. The memory 104 may be connected to the processor 102, and may store various information related to the operation of the processor 102. For example, the memory 104 may store software codes including commands for executing part or all of the processes controlled by the processor 102 or for executing the description, functions, processes, proposals, methods, and / or operation flowcharts disclosed in this document. Herein, the processor 102 and the memory 104 may be part of a communication modem / circuit / chip designed to implement a RAT (e.g., LTE or NR). The transceiver 106 may be connected to the processor 102 and transmit and / or receive radio signals through one or more antennas 108. Each transceiver 106 may include a transmitter and / or a receiver. The transceiver 106 may be used interchangeably with a radio frequency (RF) unit. In an embodiment of the present disclosure, a wireless device may represent a communication modem / circuit / chip.

[0289] The second wireless device 200 may include one or more processors 202 and one or more memories 204, and further include one or more transceivers 206 and / or one or more antennas 208. The processor 202 may control the memory 204 and / or the transceiver 206, and may be configured to implement the description, functions, processes, proposals, methods, and / or operation flowcharts disclosed in this document. For example, the processor 202 may process the information in the memory 204 to generate third information / signals, and then transmit a radio signal including the third information / signals through the transceiver 206. The processor 202 may receive a radio signal including fourth information / signals through the transceiver 206, and then store information obtained by processing the fourth information / signals in the memory 204. The memory 204 may be connected to the processor 202, and may store various information related to the operation of the processor 202. For example, the memory 204 may store software codes including commands for executing part or all of the processes controlled by the processor 202 or for executing the description, functions, processes, proposals, methods, and / or operation flowcharts disclosed in this document. Herein, the processor 202 and the memory 204 may be part of a communication modem / circuit / chip designed to implement a RAT (e.g., LTE or NR). The transceiver 206 may be connected to the processor 202 and transmit and / or receive radio signals through one or more antennas 208. Each transceiver 206 may include a transmitter and / or a receiver. The transceiver 206 may be used interchangeably with an RF unit. In an embodiment of the present disclosure, a wireless device may represent a communication modem / circuit / chip.

[0290] In the following, the hardware elements of the wireless devices 100 and 200 will be described in more detail. One or more protocol layers may be implemented by (but not limited to) one or more processors 102 and 202. For example, one or more processors 102 and 202 may implement one or more layers (e.g., functional layers such as PHY, MAC, RLC, PDCP, RRC, and SDAP). One or more processors 102 and 202 may generate one or more protocol data units (PDUs) and / or one or more service data units (SDUs) according to the descriptions, functions, processes, proposals, methods, and / or operational flowcharts disclosed in this document. One or more processors 102 and 202 may generate messages, control information, data, or information according to the descriptions, functions, processes, proposals, methods, and / or operational flowcharts disclosed in this document. One or more processors 102 and 202 may generate a signal (e.g., a baseband signal) including a PDU, SDU, message, control information, data, or information according to the description, functions, procedures, proposals, methods, and / or operational flowcharts disclosed in this document, and provide the generated signal to one or more transceivers 106 and 206. One or more processors 102 and 202 may receive a signal (e.g., a baseband signal) from one or more transceivers 106 and 206 and obtain the PDU, SDU, message, control information, data, or information according to the description, functions, procedures, proposals, methods, and / or operational flowcharts disclosed in this document.

[0291] One or more processors 102 and 202 may be referred to as controllers, microcontrollers, microprocessors, or microcomputers. One or more processors 102 and 202 may be implemented by hardware, firmware, software, or a combination thereof. As an example, one or more application specific integrated circuits (ASICs), one or more digital signal processors (DSPs), one or more digital signal processing devices (DSPDs), one or more programmable logic devices (PLDs), or one or more field programmable gate arrays (FPGAs) may be included in one or more processors 102 and 202. The descriptions, functions, processes, proposals, methods, and / or operational flow charts disclosed in this document may be implemented using firmware or software, and the firmware or software may be configured to include modules, processes, or functions. Firmware or software configured to execute the descriptions, functions, processes, proposals, methods, and / or operational flow charts disclosed in this document may be included in one or more processors 102 and 202 or stored in one or more memories 104 and 204 to be driven by one or more processors 102 and 202. The descriptions, functions, processes, proposals, methods and / or operational flow charts disclosed in this document may be implemented in the form of codes, commands and / or command sets using firmware or software.

[0292] One or more memories 104 and 204 may be connected to one or more processors 102 and 202 and store various types of data, signals, messages, information, programs, codes, instructions and / or commands. One or more memories 104 and 204 may be configured by read-only memory (ROM), random access memory (RAM), electrically erasable programmable read-only memory (EPROM), flash memory, hard disk drive, register, cache memory, computer-readable storage medium and / or a combination thereof. One or more memories 104 and 204 may be located inside and / or outside of one or more processors 102 and 202. One or more memories 104 and 204 may be connected to one or more processors 102 and 202 by various technologies such as wired or wireless connections.

[0293] One or more transceivers 106 and 206 may send user data, control information and / or radio signals / channels mentioned in the method and / or operation flow chart of this document to one or more other devices. One or more transceivers 106 and 206 may receive user data, control information and / or radio signals / channels mentioned in the description, function, process, proposal, method and / or operation flow chart disclosed in this document from one or more other devices. For example, one or more transceivers 106 and 206 may be connected to one or more processors 102 and 202 and send and receive radio signals. For example, one or more processors 102 and 202 may perform control so that one or more transceivers 106 and 206 may send user data, control information or radio signals to one or more other devices. One or more processors 102 and 202 may perform control so that one or more transceivers 106 and 206 may receive user data, control information or radio signals from one or more other devices. One or more transceivers 106 and 206 may be connected to one or more antennas 108 and 208, and one or more transceivers 106 and 206 may be configured to send and receive user data, control information and / or radio signals / channels mentioned in the description, functions, processes, proposals, methods and / or operation flow charts disclosed in this document through one or more antennas 108 and 208. In this document, one or more antennas may be multiple physical antennas or multiple logical antennas (e.g., antenna ports). One or more transceivers 106 and 206 may convert received radio signals / channels, etc. from RF band signals to baseband signals so as to process received user data, control information, radio signals / channels, etc. using one or more processors 102 and 202. One or more transceivers 106 and 206 may convert user data, control information, radio signals / channels, etc. processed using one or more processors 102 and 202 from baseband signals to RF band signals. To this end, one or more of the transceivers 106 and 206 may include (analog) oscillators and / or filters.

[0294] Fig.17 Another example of a wireless device applicable to the present disclosure is shown. The wireless device can be used according to the usage / service (refer to Fig.15 ) are implemented in various forms.

[0295] Reference Fig.17 , the wireless devices 100 and 200 may correspond to Fig.16The wireless devices 100 and 200 of the present invention may be configured by various elements, components, units / parts and / or modules. For example, each of the wireless devices 100 and 200 may include a communication unit 110, a control unit 120, a memory unit 130 and an additional component 140. The communication unit may include a communication circuit 112 and a transceiver 114. For example, the communication circuit 112 may include Fig.16 One or more processors 102 and 202 and / or one or more memories 104 and 204. For example, the transceiver 114 may include Fig.16 The control unit 120 is electrically connected to the communication unit 110, the memory 130, and the additional components 140, and controls the overall operation of the wireless device. For example, the control unit 120 may control the electrical / mechanical operation of the wireless device based on the program / code / command / information stored in the memory unit 130. The control unit 120 may send information stored in the memory unit 130 to the outside (e.g., other communication devices) via the communication unit 110 through a wireless / wired interface, or store information received from the outside (e.g., other communication devices) via the communication unit 110 in the memory unit 130 through a wireless / wired interface.

[0296] The additional components 140 may be configured differently depending on the type of wireless device. For example, the additional components 140 may include at least one of a power supply unit / battery, an input / output (I / O) unit, a drive unit, and a computing unit. The wireless device may be configured in the form of, but not limited to, a robot ( Fig.15 100a), vehicles ( Fig.15 100b-1 and 100b-2), XR devices ( Fig.15 100c), handheld device ( Fig.15 100d), household appliances ( Fig.15 100e), IoT devices ( Fig.15 100f), digital broadcasting terminal, holographic device, public safety device, MTC device, medical device, fintech device (or financial device), security device, climate / environmental device, AI server / device ( Fig.15 400), BS( Fig.15 200), network nodes, etc. The wireless device can be used in a mobile or fixed location according to the usage example / service.

[0297] exist Fig.17In the wireless devices 100 and 200, various elements, components, units / parts and / or modules in the wireless devices 100 and 200 may all be connected to each other through a wired interface, or at least a part thereof may be wirelessly connected through the communication unit 110. For example, in each of the wireless devices 100 and 200, the control unit 120 and the communication unit 110 may be wired, and the control unit 120 and the first unit (e.g., 130 and 140) may be wirelessly connected through the communication unit 110. The various elements, components, units / parts and / or modules within the wireless devices 100 and 200 may also include one or more elements. For example, the control unit 120 may be configured by a collection of one or more processors. As an example, the control unit 120 may be configured by a collection of a communication control processor, an application processor, an electronic control unit (ECU), a graphics processing unit and a memory control processor. As another example, the memory 130 may be configured by a random access memory (RAM), a dynamic RAM (DRAM), a read-only memory (ROM)), a flash memory, a volatile memory, a non-volatile memory and / or a combination thereof.

[0298] Fig.18 A vehicle or an autonomous vehicle applied to the present disclosure is shown. The vehicle or the autonomous vehicle can be implemented by a mobile robot, a car, a train, a manned / unmanned aerial vehicle (AV), a ship, etc.

[0299] Reference Fig.18 , the vehicle or autonomous driving vehicle 100 may include an antenna unit 108, a communication unit 110, a control unit 120, a drive unit 140a, a power supply unit 140b, a sensor unit 140c, and an autonomous driving unit 140d. The antenna unit 108 may be configured as a part of the communication unit 110. Blocks 110 / 130 / 140a to 140d correspond to Fig.17 Block 110 / 130 / 140.

[0300] The communication unit 110 may send and receive signals (e.g., data and control signals) to and from external devices such as other vehicles, BSs (e.g., gNBs and roadside units), and servers. The control unit 120 may perform various operations by controlling elements of the vehicle or autonomous vehicle 100. The control unit 120 may include an electronic control unit (ECU). The drive unit 140a may enable the vehicle or autonomous vehicle 100 to travel on a road. The drive unit 140a may include an engine, a motor, a power system, wheels, brakes, a steering device, etc. The power supply unit 140b may supply power to the vehicle or autonomous vehicle 100, and include a wired / wireless charging circuit, a battery, etc. The sensor unit 140c may obtain vehicle status, surrounding environment information, user information, etc. The sensor unit 140c may include an inertial measurement unit (IMU) sensor, a collision sensor, a wheel sensor, a speed sensor, a slope sensor, a weight sensor, a heading sensor, a position module, a vehicle forward / backward sensor, a battery sensor, a fuel sensor, a tire sensor, a steering sensor, a temperature sensor, a depth sensor, an ultrasonic sensor, a lighting sensor, a pedal position sensor, etc. The autonomous driving unit 140d may implement a technology for maintaining a lane in which the vehicle is traveling, a technology for automatically adjusting a speed (e.g., adaptive cruise control), a technology for autonomously traveling along a determined path, a technology for traveling by automatically setting a path if a destination is set, and the like.

[0301] For example, the communication unit 110 may receive map data, traffic information data, etc. from an external server. The autonomous driving unit 140d may generate an autonomous driving path and a driving plan from the obtained data. The control unit 120 may control the drive unit 140a so that the vehicle or the autonomous driving vehicle 100 may move along the autonomous driving path according to the driving plan (e.g., speed / direction control). In the middle of autonomous driving, the communication unit 110 may aperiodically / periodically obtain the latest traffic information data from the external server and obtain surrounding traffic information data from neighboring vehicles. In the middle of autonomous driving, the sensor unit 140c may obtain vehicle status and / or surrounding environment information. The autonomous driving unit 140d may update the autonomous driving path and driving plan based on the newly obtained data / information. The communication unit 110 may transmit information about the vehicle position, autonomous driving path, and / or driving plan to an external server. The external server may predict traffic information data based on information collected from the vehicle or autonomous driving vehicle using AI technology, etc., and provide the predicted traffic information data to the vehicle or autonomous driving vehicle.

[0302] The above-mentioned embodiments correspond to the combination of elements and features of the present disclosure in a prescribed form. And, unless explicitly mentioned, each element or feature may be regarded as selective. Each element or feature may be implemented in a form that is not combined with other elements or features. In addition, the embodiments of the present disclosure can be implemented by partially combining elements and / or features together. The order of operations described for each embodiment of the present disclosure may be modified. Some configurations or features of an embodiment may be included in another embodiment, or may replace the corresponding configuration or features of another embodiment. And, the embodiment may be configured by combining claims that do not have a clear reference relationship in the attached claims, or may be included as a new claim by modification after submitting the application.

[0303] Those skilled in the art will appreciate that the present disclosure may be implemented in other specific forms other than those described herein without departing from the spirit and essential characteristics of the present disclosure. Therefore, the above-described embodiments should be interpreted as being illustrative in all respects, rather than restrictive. The scope of the present disclosure should be determined by the appended claims and their legal equivalents, rather than by the above description, and all changes falling within the meaning and equivalent scope of the appended claims are intended to be covered therein.

[0304] Industrial Applicability

[0305] The present disclosure is applicable to UE, BS or other devices in a wireless mobile communication system.

Claims

1. A method for operating a first device in a wireless communication system, the method comprising the following steps: receiving configuration information including different types of positioning related configurations; receiving a reference signal for positioning; as well as sending a measurement report for the reference signal based on at least one of the different types of positioning-related configurations, The event conditions are respectively associated with the different types of positioning related configurations, and Therein, based on satisfying a first event condition, the first device sends the measurement report for the reference signal based on a first type of positioning-related configuration associated with the first event condition.

2. The method according to claim 1, wherein: The configuration information includes information about the event conditions associated with the different types of positioning-related configurations.

3. The method according to claim 1, wherein: At least one of the event conditions is related to a reference signal received power RSRP measured via the reference signal.

4. The method according to claim 1, wherein: The different types of positioning related configurations include configurations for positioning based on phase measurement and configurations for positioning based on timing, and Wherein, based on whether the associated event condition is met, the first device selects the phase measurement-based positioning or the timing-based positioning.

5. The method according to claim 1, wherein: At least one of the event conditions is related to a line-of-sight LoS / non-line-of-sight NLoS determination for the reference signal.

6. The method according to claim 1, wherein: The measurement report for the reference signal relates to a plurality of transmission and reception points TRP, and Among them, whether each of the event conditions is met is determined based on a reference signal from a reference TRP among the multiple TRPs.

7. The method according to claim 1, further comprising the steps of: Information about at least one candidate positioning related configuration selectable by the first apparatus from among the different types of positioning related configurations provided in the configuration information is received.

8. The method according to claim 1, wherein: The first device is a user equipment UE, and The reference signal is a downlink positioning reference signal PRS provided by at least one base station BS or at least one transmitting and receiving point TRP.

9. The method according to claim 1, wherein: The configuration information is received via high-layer signaling from at least one base station BS or at least one sending and receiving point TRP, or via high-layer signaling from a location management function LMF node. 10 . A processor-readable recording medium having recorded thereon a program for executing the method according to claim 1 .

11. A first device for wireless communication, the first device comprising: a memory configured to store instructions; as well as a processor configured to perform operations by executing the instructions, The operation of the processor includes: receiving configuration information including different types of positioning related configurations; receiving a reference signal for positioning; and sending a measurement report for the reference signal based on at least one of the different types of positioning-related configurations, The event conditions are respectively associated with the different types of positioning related configurations, and Wherein, based on satisfying a first event condition, the processor is configured to send the measurement report for the reference signal based on a first type of positioning-related configuration associated with the first event condition.

12. The first device according to claim 11, wherein: The first device is an application specific integrated circuit ASIC or a digital signal processing device.

13. The first device according to claim 11, further comprising a transceiver, in, The first device is a user equipment UE operating in a wireless communication system.

14. A method for receiving a measurement report from a first device by a second device in a wireless communication system, the method comprising the following steps: Sending configuration information including different types of positioning-related configurations to the first device; as well as receiving a measurement report for a reference signal from the first apparatus based on at least one of the different types of positioning-related configurations, The event conditions are respectively associated with the different types of positioning related configurations, and Wherein, based on satisfying a first event condition, the second device receives the measurement report for the reference signal from the first device based on a first type of positioning-related configuration associated with the first event condition.

15. A second device for receiving a measurement report from a first device in a wireless communication system, the second device comprising: a memory configured to store instructions; as well as a processor configured to perform operations by executing the instructions, The operation of the processor includes: Sending configuration information including different types of positioning-related configurations to the first device; and receiving a measurement report for a reference signal from the first apparatus based on at least one of the different types of positioning-related configurations, The event conditions are respectively associated with the different types of positioning related configurations, and Wherein, based on satisfying a first event condition, the processor is configured to receive the measurement report for the reference signal from the first device based on a first type of positioning-related configuration associated with the first event condition.

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