WO2023063559A1 - 무선 통신 시스템에서 정확한 위치 측정을 위한 위치 참조 장치의 운용 방법 - Google Patents
무선 통신 시스템에서 정확한 위치 측정을 위한 위치 참조 장치의 운용 방법 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- a location server when a location server provides help information for measuring location information to a reference signal target terminal set by the location server, specific time and area information is linked and provided, and the terminal measures the location by using it. It relates to methods and devices for obtaining information.
- the 5G communication system or pre-5G communication system is being called a system after a 4G network (Beyond 4G Network) communication system or an LTE system (Post LTE).
- the 5G communication system is being considered for implementation in a mmWave band (eg, a 60 gigabyte (60 GHz) band).
- a mmWave band eg, a 60 gigabyte (60 GHz) band.
- FD-MIMO Full Dimensional MIMO
- array antenna array antenna, analog beam-forming, and large scale antenna technologies are being discussed.
- cloud RAN cloud radio access network
- ultra-dense network Device to Device communication (D2D), wireless backhaul, moving network, cooperative communication, Coordinated Multi-Points (CoMP), and interference cancellation etc. are being developed.
- D2D Device to Device communication
- CoMP Coordinated Multi-Points
- advanced coding modulation Advanced Coding Modulation: ACM
- FQAM Hybrid FSK and QAM Modulation
- SWSC Simple Window Superposition Coding
- advanced access technologies FBMC (Filter Bank Multi Carrier), NOMA (non orthogonal multiple access) and SCMA (sparse code multiple access) are being developed.
- IoT Internet of Things
- M2M Machine to machine
- MTC Machine Type Communication
- the location server performs an operation of estimating a location from measurement results of location reference reference signals received from a terminal in order to effectively provide services.
- the location server estimates the location of the target terminal using a location reference signal measurement result value from the target terminal.
- the location server has no choice but to estimate the location with some degree of error due to uncertainty in the radio section.
- one object of the present disclosure is to provide a method for increasing location estimation accuracy of a location server by introducing a location referencing device.
- a location management function (LMF) entity including PRU indication information indicating that the PRU is sending a first message; Receiving, from the LMF entity, a request message requesting provision of location-related information based on the first message; Based on the request message, performing location measurement; and transmitting, to the LMF entity, a second message including a result of the location measurement and location information of the PRU, wherein the location information of the PRU is location coordinate information or antenna direction based on the request message. At least one of the information may be included.
- LMF location management function
- PRU positioning reference unit
- a positioning reference unit includes: a transceiver; and a location management function (LMF) entity, controlling the transceiver to transmit a first message including PRU indication information indicating the PRU, and providing location-related information from the LMF entity based on the first message.
- a second message including controlling the transceiver to receive a request message requesting a location measurement, performing location measurement based on the request message, and including a result of the location measurement and location information of the PRU to the LMF entity.
- a control unit for controlling the transmission and reception unit to transmit,
- the location information of the PRU may include at least one of location coordinate information and antenna direction information based on the request message.
- the transceiver in the LMF (location management function) in the communication system according to an embodiment of the present invention, the transceiver; and controlling the transceiver to receive, from a positioning reference unit (PRU), a first message including PRU indication information indicating that the PRU is the PRU, and requesting the PRU to provide location-related information based on the first message.
- a positioning reference unit PRU
- Controls the transceiver to transmit a request message to transmit a request message controls the transceiver to receive a second message including a result of location measurement and location information of the PRU, based on the request message, from the PRU; and a controller that determines an error value for setting a reference signal using a location estimated based on a second message, wherein the location information of the PRU is at least one of location coordinate information and antenna direction information based on the request message.
- the location server obtains the known location information from a location reference device that knows its actual location, and as a separate procedure, sets a location reference signal to the target terminal. Obtaining the signal measurement result of , it is possible to recognize the error between the position estimation value and the actual position, and by applying a correction value from this, there is an effect of reducing errors that may occur when estimating the position of other general terminals. there is.
- FIG. 1 is a diagram showing the structure of an LTE system according to an embodiment of the present disclosure.
- FIG. 2 is a diagram illustrating a radio protocol structure of an LTE system according to an embodiment of the present disclosure.
- FIG. 3 is a diagram showing the structure of a next-generation mobile communication system according to an embodiment of the present disclosure.
- FIG. 4 is a diagram illustrating a radio protocol structure of a next-generation mobile communication system according to an embodiment of the present disclosure.
- FIG. 5 is a block diagram illustrating an internal structure of a terminal according to an embodiment of the present disclosure.
- FIG. 6 is a block diagram showing the configuration of a base station according to an embodiment of the present disclosure.
- 7a is a flowchart of a procedure for obtaining location information in case of a fixed PRU.
- 7b is a flowchart of a procedure for acquiring location information in case of a fixed PRU.
- 8a is a flowchart of a procedure for obtaining location information in case of a mobile PRU.
- 8B is a flowchart of a procedure for obtaining location information in case of a mobile PRU.
- each block of the process flow chart diagrams and combinations of the flow chart diagrams can be performed by computer program instructions.
- These computer program instructions may be embodied in a processor of a general purpose computer, special purpose computer, or other programmable data processing equipment, so that the instructions executed by the processor of the computer or other programmable data processing equipment are described in the flowchart block(s). It creates means to perform functions.
- These computer program instructions may also be stored in a computer usable or computer readable memory that can be directed to a computer or other programmable data processing equipment to implement functionality in a particular way, such that the computer usable or computer readable memory
- the instructions stored in are also capable of producing an article of manufacture containing instruction means that perform the functions described in the flowchart block(s).
- the computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operational steps are performed on the computer or other programmable data processing equipment to create a computer-executed process to generate computer or other programmable data processing equipment. Instructions for performing processing equipment may also provide steps for performing the functions described in the flowchart block(s).
- each block may represent a module, segment, or portion of code that includes one or more executable instructions for executing specified logical function(s). It should also be noted that in some alternative implementations it is possible for the functions mentioned in the blocks to occur out of order. For example, it is possible that two blocks shown in succession may in fact be performed substantially concurrently, or that the blocks may sometimes be performed in reverse order depending on their function.
- ' ⁇ unit' used in this embodiment means software or hardware components such as FPGA (Field Programmable Gate Array) or ASIC (Application Specific Integrated Circuit), and ' ⁇ unit' performs certain roles. do.
- ' ⁇ part' is not limited to software or hardware.
- ' ⁇ bu' may be configured to be in an addressable storage medium and may be configured to reproduce one or more processors. Therefore, as an example, ' ⁇ unit' refers to components such as software components, object-oriented software components, class components, and task components, processes, functions, properties, and procedures. , subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, databases, data structures, tables, arrays, and variables.
- components and ' ⁇ units' may be combined into smaller numbers of components and ' ⁇ units' or further separated into additional components and ' ⁇ units'.
- components and ' ⁇ units' may be implemented to play one or more CPUs in a device or a secure multimedia card.
- ' ⁇ unit' may include one or more processors.
- connection node a term referring to network entities, a term referring to messages, a term referring to an interface between network objects, and various types of identification information. Referring terms and the like are illustrated for convenience of description. Accordingly, the present disclosure is not limited to the terms described below, and other terms referring to objects having equivalent technical meanings may be used.
- eNB may be used interchangeably with gNB for convenience of description. That is, a base station described as an eNB may indicate a gNB. Also, the term terminal may refer to cell phones, NB-IoT devices, sensors, as well as other wireless communication devices.
- a base station is a subject that performs resource allocation of a terminal, and may be at least one of a gNode B, an eNode B, a Node B, a base station (BS), a wireless access unit, a base station controller, or a node on a network.
- the terminal may include a user equipment (UE), a mobile station (MS), a cellular phone, a smart phone, a computer, or a multimedia system capable of performing communication functions.
- UE user equipment
- MS mobile station
- cellular phone a smart phone
- computer or a multimedia system capable of performing communication functions.
- multimedia system capable of performing communication functions.
- the present disclosure can be applied to 3GPP NR (5th generation mobile communication standard).
- the present disclosure provides intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety related services) based on 5G communication technology and IoT related technology. etc.) can be applied.
- eNB may be used interchangeably with gNB for convenience of description. That is, a base station described as an eNB may indicate a gNB.
- the term terminal may refer to mobile phones, NB-IoT devices, sensors, as well as other wireless communication devices.
- the wireless communication system has moved away from providing voice-oriented services in the early days and, for example, 3GPP's High Speed Packet Access (HSPA), LTE (Long Term Evolution or E-UTRA (Evolved Universal Terrestrial Radio Access)), LTE-Advanced (LTE-A), LTE-Pro, 3GPP2's High Rate Packet Data (HRPD), UMB (Ultra Mobile Broadband), and IEEE's 802.16e, a broadband wireless network that provides high-speed, high-quality packet data services. evolving into a communication system.
- HSPA High Speed Packet Access
- LTE Long Term Evolution or E-UTRA (Evolved Universal Terrestrial Radio Access)
- LTE-A LTE-Advanced
- LTE-Pro LTE-Pro
- HRPD High Rate Packet Data
- UMB Ultra Mobile Broadband
- IEEE's 802.16e a broadband wireless network that provides high-speed, high-quality packet data services. evolving into a communication system.
- an Orthogonal Frequency Division Multiplexing (OFDM) method is employed in downlink (DL), and Single Carrier Frequency Division Multiplexing (SC-FDMA) in uplink (UL).
- OFDM Orthogonal Frequency Division Multiplexing
- SC-FDMA Single Carrier Frequency Division Multiplexing
- Uplink refers to a radio link in which a terminal (UE; User Equipment or MS; Mobile Station) transmits data or control signals to a base station (eNode B or BS; Base Station)
- downlink refers to a radio link in which a base station transmits data or control signals to a terminal.
- the multiple access method as described above distinguishes data or control information of each user by allocating and operating time-frequency resources to carry data or control information for each user so that they do not overlap each other, that is, so that orthogonality is established. .
- Enhanced Mobile BroadBand eMBB
- massive Machine Type Communication mMTC
- Ultra Reliability Low Latency Communication URLLC
- eMBB may aim to provide a data transmission rate that is more improved than that supported by existing LTE, LTE-A, or LTE-Pro.
- an eMBB in a 5G communication system, an eMBB must be able to provide a peak data rate of 20 Gbps in downlink and a peak data rate of 10 Gbps in uplink from the perspective of one base station.
- the 5G communication system may need to provide a user perceived data rate while providing a maximum transmission rate.
- the 5G communication system may require improvement of various transmission and reception technologies, including a more advanced multi-input multi-output (MIMO) transmission technology.
- MIMO multi-input multi-output
- the 5G communication system uses a frequency bandwidth wider than 20MHz in a frequency band of 3 to 6GHz or 6GHz or higher to meet the requirements of the 5G communication system. data transfer rate can be satisfied.
- mMTC is being considered to support application services such as Internet of Things (IoT) in 5G communication systems.
- IoT Internet of Things
- mMTC may require support for large-scale terminal access within a cell, improved terminal coverage, improved battery time, and reduced terminal cost. Since the Internet of Things is attached to various sensors and various devices to provide communication functions, it must be able to support a large number of terminals (eg, 1,000,000 terminals/km2) in a cell.
- terminals supporting mMTC are likely to be located in shadow areas that are not covered by cells, such as the basement of a building, so a wider coverage than other services provided by the 5G communication system may be required.
- a terminal supporting mMTC must be composed of a low-cost terminal, and since it is difficult to frequently replace a battery of the terminal, a very long battery life time such as 10 to 15 years may be required.
- URLLC as a cellular-based wireless communication service used for a specific purpose (mission-critical), remote control for robots or machinery, industrial automation, It can be used for services used in unmanned aerial vehicles, remote health care, and emergency alerts. Therefore, communications provided by URLLC may need to provide very low latency (ultra-low latency) and very high reliability (ultra-reliability). For example, a service supporting URLLC must satisfy an air interface latency of less than 0.5 milliseconds, and at the same time may have a requirement of a packet error rate of 10-5 or less. Therefore, for the service supporting URLLC, the 5G system must provide a transmit time interval (TTI) that is smaller than that of other services, and at the same time, design that allocates wide resources in the frequency band to secure the reliability of the communication link. items may be requested.
- TTI transmit time interval
- the three services considered in the aforementioned 5G communication system that is, eMBB, URLLC, and mMTC, can be multiplexed and transmitted in one system.
- different transmission/reception techniques and transmission/reception parameters may be used between services in order to satisfy different requirements of each service.
- mMTC, URLLC, and eMBB are only examples of different service types, and the service types to which the present disclosure is applied are not limited to the above-mentioned examples.
- LTE Long Term Evolution
- LTE-A Long Term Evolution
- LTE Pro Long Term Evolution
- 5G Long Term Evolution
- 5G next-generation mobile communication
- other communication systems having a similar technical background or channel type are also subject to the present disclosure.
- An embodiment of may be applied.
- the embodiments of the present disclosure can be applied to other communication systems through some modification within a range that does not greatly deviate from the scope of the present disclosure as judged by a skilled person with technical knowledge.
- a positioning integrity calculating entity transfers a calculation result to a positioning integrity decision entity
- a method for reducing unnecessary repetitive transmission is introduced, so that frequent signal can be controlled.
- 1 is a diagram showing the structure of an existing LTE system.
- the radio access network of the LTE system includes a next-generation base station (Evolved Node B, hereinafter referred to as ENB, Node B or base station) (1-05, 1-10, 1-15, 1-20) and It may be composed of a Mobility Management Entity (MME) (1-25) and an S-GW (1-30, Serving-Gateway).
- ENB Next-generation base station
- MME Mobility Management Entity
- S-GW Serving-Gateway
- a user equipment (UE or terminal) 1-35 can access an external network through ENBs 1-05 to 1-20 and S-GW 1-30.
- ENBs 1-05 to 1-20 may correspond to existing Node Bs of the UMTS system.
- the ENB is connected to the UE (1-35) through a radio channel and can perform a more complex role than the existing Node B.
- all user traffic including real-time services such as VoIP (Voice over IP) through Internet protocol can be serviced through a shared channel. Therefore, a device for performing scheduling by collecting status information such as buffer status, available transmission power status, and channel status of UEs is required, and ENBs 1-05 to 1-20 can be in charge of this.
- One ENB can typically control multiple cells.
- an LTE system may use Orthogonal Frequency Division Multiplexing (OFDM) as a radio access technology in a 20 MHz bandwidth, for example.
- OFDM Orthogonal Frequency Division Multiplexing
- AMC adaptive modulation & coding
- the S-GW 1-30 is a device that provides a data bearer, and can create or remove a data bearer under the control of the MME 1-25.
- the MME is a device in charge of various control functions as well as a mobility management function for a terminal, and may be connected to a plurality of base stations.
- FIG. 2 is a diagram illustrating a radio protocol structure of an LTE system according to an embodiment of the present disclosure.
- the radio protocols of the LTE system include Packet Data Convergence Protocol (PDCP) (2-05, 2-40) and Radio Link Control (RLC) ( 2-10, 2-35) and medium access control (MAC) (2-15, 2-30).
- PDCP may be in charge of operations such as IP header compression/restoration.
- RLC Radio Link Control
- MAC medium access control
- PDUs Protocol Data Units
- PDCP Packet Data Convergence Protocol
- RLC Radio Link Control
- AM Acknowledged Mode
- DC Dual Connectivity
- RLC AM Radio Link Control
- the Radio Link Control (RLC) 2-10, 2-35 may reconfigure the PDCP Packet Data Unit (PDU) into an appropriate size and perform an ARQ (Automatic Repeat Request) operation.
- RLC Radio Link Control
- PDU Packet Data Unit
- ARQ Automatic Repeat Request
- RLC SDU Service Data Unit
- RLC SDU discard only for UM (Unacknowledged mode) and AM data transfer
- the MACs 2-15 and 2-30 are connected to several RLC layer devices configured in one terminal, and can perform operations of multiplexing RLC PDUs to MAC PDUs and demultiplexing RLC PDUs from MAC PDUs.
- the main functions of MAC can be summarized as follows.
- the physical layer (2-20, 2-25) channel-codes and modulates upper-layer data, converts it into OFDM symbols and transmits it through a radio channel, or demodulates and channel-decodes OFDM symbols received through a radio channel and transmits them to the upper layer can do the action.
- FIG. 3 is a diagram showing the structure of a next-generation mobile communication system according to an embodiment of the present disclosure.
- a radio access network of a next-generation mobile communication system includes a next-generation base station (New Radio Node B, hereinafter referred to as NR gNB or NR base station) 3-10 and a next-generation radio core network (New Radio Core Network, NR CN) (3-05).
- NR gNB Next Radio Node B
- NR CN Next-generation radio core network
- a next-generation radio user equipment (New Radio User Equipment, NR UE or UE) 3-15 can access an external network through the NR gNB 3-10 and the NR CN 3-05.
- NR gNBs 3-10 may correspond to evolved Node Bs (eNBs) of the existing LTE system.
- the NR gNB is connected to the NR UE 3-15 through a radio channel and can provide superior service to the existing Node B.
- eNBs evolved Node Bs
- all user traffic can be serviced through a shared channel. Therefore, a device for scheduling by collecting status information such as buffer status, available transmission power status, and channel status of UEs is required, and the NR gNB 3-10 can take charge of this.
- One NR gNB can control multiple cells.
- a bandwidth higher than the current maximum bandwidth may be applied in order to implement high-speed data transmission compared to current LTE.
- beamforming technology may be additionally applied by using Orthogonal Frequency Division Multiplexing (OFDM) as a radio access technology.
- OFDM Orthogonal Frequency Division Multiplexing
- AMC adaptive modulation & coding
- the NR CN 3-05 may perform functions such as mobility support, bearer setup, and QoS setup.
- the NR CN is a device in charge of various control functions as well as a mobility management function for a terminal, and can be connected to a plurality of base stations.
- the next-generation mobile communication system can be interworked with the existing LTE system, and the NR CN can be connected to the MME (3-25) through a network interface.
- the MME may be connected to the eNB 3-30, which is an existing base station.
- FIG. 4 is a diagram illustrating a radio protocol structure of a next-generation mobile communication system according to an embodiment of the present disclosure. .
- the radio protocols of the next-generation mobile communication system are NR Service Data Adaptation Protocol (SDAP) (4-01, 4-45) and NR PDCP (4-05, 4-05, 4-40), NR RLC (4-10, 4-35), NR MAC (4-15, 4-30), and NR PHY (4-20, 4-25).
- SDAP NR Service Data Adaptation Protocol
- NR PDCP (4-05, 4-05, 4-40)
- NR RLC (4-10, 4-35
- NR MAC (4-15, 4-30)
- NR PHY NR PHY
- the main functions of the NR SDAPs 4-01 and 4-45 may include some of the following functions.
- the UE determines whether to use the header of the SDAP layer device for each PDCP layer device or for each bearer or for each logical channel according to a Radio Resource Control (RRC) message received from the base station or the SDAP layer You can set whether or not to use the function of the device.
- RRC Radio Resource Control
- NAS Non-Access Stratum
- QoS Quality of Service
- the SDAP header may include QoS flow ID information indicating QoS. QoS information may be used as data processing priority and scheduling information to support smooth service.
- the main functions of the NR PDCPs 4-05 and 4-40 may include some of the following functions.
- the reordering function of the NR PDCP device may refer to a function of reordering PDCP PDUs received from a lower layer in order based on a PDCP sequence number (SN).
- the reordering function of the NR PDCP device may include a function of forwarding data to a higher layer in the rearranged order, or may include a function of directly forwarding data without considering the order, and rearranging the order may cause loss It may include a function of recording lost PDCP PDUs, a function of reporting the status of lost PDCP PDUs to the transmitting side, and a function of requesting retransmission of lost PDCP PDUs. there is.
- the main functions of the NR RLCs 4-10 and 4-35 may include some of the following functions.
- the in-sequence delivery function of the NR RLC device may refer to a function of sequentially delivering RLC SDUs received from a lower layer to an upper layer.
- the in-sequence delivery function of the NR RLC device may include a function of reassembling and delivering them.
- the in-sequence delivery function of the NR RLC device may include a function of rearranging received RLC PDUs based on an RLC sequence number (SN) or a PDCP sequence number (SN), and rearranging the order results in loss It may include a function of recording lost RLC PDUs, a function of reporting the status of lost RLC PDUs to the transmitting side, and a function of requesting retransmission of lost RLC PDUs. there is.
- In-sequence delivery of the NR RLC device may include, when there is a lost RLC SDU, a function of sequentially delivering only RLC SDUs prior to the lost RLC SDU to a higher layer.
- the in-sequence delivery function of the NR RLC device may include a function of sequentially delivering all RLC SDUs received so far to a higher layer if a predetermined timer expires even if there is a lost RLC SDU.
- the NR RLC device may process RLC PDUs in the order in which they are received regardless of the order of sequence numbers (out-of sequence delivery) and deliver them to the NR PDCP device.
- the NR RLC device When the NR RLC device receives a segment, it may receive segments stored in a buffer or to be received later, reconstruct it into one complete RLC PDU, and then transmit it to the NR PDCP device.
- the NR RLC layer may not include a concatenation function, and the NR MAC layer may perform the concatenation function or may replace the NR MAC layer with a multiplexing function.
- the out-of-sequence delivery of the NR RLC device may mean a function of immediately delivering RLC SDUs received from a lower layer to an upper layer regardless of order.
- Out-of-sequence delivery of the NR RLC device may include a function of reassembling and delivering, when originally one RLC SDU is divided into several RLC SDUs and received.
- the out-of-sequence delivery function of the NR RLC device may include a function of storing RLC SNs or PDCP Sequence Numbers (SNs) of received RLC PDUs and arranging the order to record lost RLC PDUs.
- NR MACs (4-15, 4-30) may be connected to several NR RLC layer devices configured in one terminal, and the main functions of the NR MAC may include some of the following functions.
- the NR PHY layers (4-20, 4-25) channel code and modulate higher layer data, convert OFDM symbols into OFDM symbols and transmit them through a radio channel, or demodulate OFDM symbols received through a radio channel and channel decode them to a higher layer. You can perform forwarding operations.
- FIG. 5 is a block diagram illustrating an internal structure of a terminal according to an embodiment of the present disclosure.
- the terminal includes a radio frequency (RF) processing unit 5-10, a baseband processing unit 5-20, a storage unit 5-30, and a control unit 5-40. .
- RF radio frequency
- the RF processing unit 5-10 performs functions for transmitting and receiving signals through a wireless channel, such as band conversion and amplification of signals. That is, the RF processing unit 5-10 up-converts the baseband signal provided from the baseband processing unit 5-20 into an RF band signal, transmits the signal through an antenna, and converts the RF band signal received through the antenna into a baseband signal. down-convert to a signal.
- the RF processor 5-10 may include a transmit filter, a receive filter, an amplifier, a mixer, an oscillator, a digital to analog converter (DAC), an analog to digital converter (ADC), and the like. can In FIG. 5, only one antenna is shown, but a terminal may have multiple antennas.
- the RF processing unit 5-10 may include a plurality of RF chains. Furthermore, the RF processor 5-10 may perform beamforming. For beamforming, the RF processing unit 5 - 10 may adjust the phase and size of signals transmitted and received through a plurality of antennas or antenna elements. Also, the RF processing unit 5-10 may perform MIMO, and may receive multiple layers when performing the MIMO operation.
- the baseband processing unit 5-20 performs a conversion function between a baseband signal and a bit string according to the physical layer standard of the system. For example, during data transmission, the baseband processor 5-20 generates complex symbols by encoding and modulating a transmission bit stream. Also, when receiving data, the baseband processing unit 5-20 demodulates and decodes the baseband signal provided from the RF processing unit 5-10 to restore the received bit string. For example, in the case of orthogonal frequency division multiplexing (OFDM), during data transmission, the baseband processor 5-20 encodes and modulates a transmission bit stream to generate complex symbols, and maps the complex symbols to subcarriers. After that, OFDM symbols are configured through inverse fast Fourier transform (IFFT) operation and cyclic prefix (CP) insertion.
- IFFT inverse fast Fourier transform
- CP cyclic prefix
- the baseband processing unit 5-20 divides the baseband signal provided from the RF processing unit 5-10 into OFDM symbol units, and signals mapped to subcarriers through fast Fourier transform (FFT). After restoring them, the received bit stream is restored through demodulation and decoding.
- FFT fast Fourier transform
- the baseband processing unit 5-20 and the RF processing unit 5-10 transmit and receive signals as described above. Accordingly, the baseband processing unit 5-20 and the RF processing unit 5-10 may be referred to as a transmitter, a receiver, a transceiver, or a communication unit. Furthermore, at least one of the baseband processing unit 5-20 and the RF processing unit 5-10 may include a plurality of communication modules to support a plurality of different radio access technologies. Also, at least one of the baseband processor 5-20 and the RF processor 5-10 may include different communication modules to process signals of different frequency bands. For example, different radio access technologies may include a wireless LAN (eg, IEEE 802.11), a cellular network (eg, LTE), and the like. In addition, the different frequency bands may include a super high frequency (SHF) (eg, 2.NRHz, NRhz) band and a millimeter wave (eg, 60 GHz) band.
- SHF super high frequency
- the storage unit 5-30 stores data such as a basic program for operation of the terminal, an application program, and setting information.
- the storage unit 5 - 30 may store information related to a second access node performing wireless communication using the second wireless access technology. And, the storage unit 5-30 provides the stored data according to the request of the control unit 5-40.
- the controller 5-40 controls overall operations of the terminal. For example, the controller 5-40 transmits and receives signals through the baseband processor 5-20 and the RF processor 5-10. Also, the control unit 5-40 writes and reads data in the storage unit 5-40. To this end, the controller 5-40 may include at least one processor.
- the control unit 5 - 40 may include a communication processor (CP) that controls communication and an application processor (AP) that controls upper layers such as application programs.
- CP communication processor
- AP application processor
- FIG. 6 is a block diagram showing the configuration of a base station according to an embodiment of the present disclosure.
- the base station includes an RF processing unit 6-10, a baseband processing unit 6-20, a communication unit 6-30, a storage unit 6-40, and a control unit 6-50. It is composed by
- the RF processing unit 6-10 performs functions for transmitting and receiving signals through a wireless channel, such as band conversion and amplification of signals. That is, the RF processing unit 6-10 up-converts the baseband signal provided from the baseband processing unit 6-20 into an RF band signal, transmits the signal through an antenna, and converts the RF band signal received through the antenna into a baseband signal. down-convert to a signal.
- the RF processor 6-10 may include a transmit filter, a receive filter, an amplifier, a mixer, an oscillator, a DAC, an ADC, and the like. In FIG. 6, only one antenna is shown, but the first connection node may have multiple antennas. Also, the RF processing unit 6-10 may include a plurality of RF chains.
- the RF processor 6-10 may perform beamforming.
- the RF processing unit 6-10 may adjust the phase and size of signals transmitted and received through a plurality of antennas or antenna elements.
- the RF processing unit may perform downlink MIMO operation by transmitting one or more layers.
- the baseband processor 6-20 performs a conversion function between a baseband signal and a bit string according to the physical layer standard of the first radio access technology. For example, during data transmission, the baseband processor 6-20 generates complex symbols by encoding and modulating a transmission bit stream. In addition, when receiving data, the baseband processing unit 6-20 demodulates and decodes the baseband signal provided from the RF processing unit 6-10 to restore a received bit string. For example, according to the OFDM scheme, when data is transmitted, the baseband processing unit 6-20 generates complex symbols by encoding and modulating a transmission bit stream, maps the complex symbols to subcarriers, and performs an IFFT operation and OFDM symbols are configured through CP insertion.
- the baseband processing unit 6-20 divides the baseband signal provided from the RF processing unit 6-10 into OFDM symbol units, restores signals mapped to subcarriers through FFT operation, and , the received bit stream is restored through demodulation and decoding.
- the baseband processing unit 6-20 and the RF processing unit 6-10 transmit and receive signals as described above. Accordingly, the baseband processing unit 6-20 and the RF processing unit 6-10 may be referred to as a transmission unit, a reception unit, a transmission/reception unit, a communication unit, or a wireless communication unit.
- the backhaul communication unit 6-30 provides an interface for communicating with other nodes in the network. That is, the backhaul communication unit 6-30 converts a bit string transmitted from the main base station to another node, for example, a secondary base station, a core network, etc. into a physical signal, and converts a physical signal received from another node into a bit string. do.
- the storage unit 6-40 stores data such as a basic program for operation of the main base station, an application program, and setting information.
- the storage unit 6-40 may store information on bearers allocated to the connected terminal, measurement results reported from the connected terminal, and the like.
- the storage unit 6-40 may store information that is a criterion for determining whether to provide or stop multiple connections to the terminal.
- the storage unit 6-40 provides the stored data according to the request of the control unit 6-50.
- the controller 6-50 controls overall operations of the main base station. For example, the control unit 6-50 transmits and receives signals through the baseband processing unit 6-20 and the RF processing unit 6-10 or through the backhaul communication unit 6-30. In addition, the control unit 6-50 writes and reads data in the storage unit 6-40. To this end, the controller 6-50 may include at least one processor.
- the PRU is written as a positioning reference unit or PRU as a positioning reference unit.
- ⁇ PRU includes (1 bit) PRU indicator in LPP Provide Capabilities.
- PRU includes bits for capability on location and antenna orientation info reporting.
- the PRU indicator itself may mean a PRU indicator, so the PRU indicator may be omitted.
- an indicator indicating whether the PRU is mobile or fixed may be included.
- an indicator of whether the PRU is a terminal type PRU or a network node type PRU may be included.
- LMF location management function
- ⁇ LMF include the indicator to ask for PRU related capability in LPP RqeustCapabilities.
- LMF ask for which information can be provided, on location coordinate and antenna orientation.
- LMF ask for mobile PRU or fixed PRU.
- the target terminal requests AD (assistance date, assistance information) to the location server, the following information is included can be passed on.
- ⁇ PRU indicator An indicator that informs you that you are a PRU
- Indicator indicating that location coordination information can be provided
- Mobile or fixed PRU indication Indicator of mobile or fixed PRU
- ⁇ PRU type An indicator of terminal type or network node type.
- the following request location information procedure may be performed between the location server and the target UE.
- LPP Request location information message can include
- the UEA mode indicator may be included in the request location information
- ⁇ LMF sends LPP Request Location Information msg to the target UE (PRU) including at least one of the followings:
- the Request Location Information message itself requests measurement results through a separate positioning method.
- ⁇ PRU can report the above information if requested, to LMF in Provide Location Information message. And it reports the measurement results through a separate positioning method to LMF.
- the UEB mode indicator may be included in the Request Location information message
- ⁇ LMF sends LPP Request Location Information msg to the target UE (PRU) including at least one of the followings:
- the Request Location Information message itself requests measurement and location estimation through a separate positioning method.
- ⁇ PRU can report the above information if requested, to LMF in Provide Location Information message. Then, the measurement through a separate positioning method and the position estimation value as a result are reported to the LMF.
- the difference value between the location coordinate information known as PRU and the location information measured and estimated by itself using the UEB method can be reported to the LMF.
- the following shows detailed details of each piece of information delivered by the PRU to the location server.
- Location coordinate information comprises of:
- Geographical coordinate information i.e., GNSS/GPS 2 dimensional coordinates
- This location coordinate information can include or be associated with
- Unit of this can be some distance / or signal reception time difference (ms or usec)
- ⁇ Antenna orientation information comprises of:
- the operation of the LMF may vary depending on whether it is a fixed PRU or a mobile PRU.
- ⁇ LMF can request PRU's location coordinate information and/or antenna orientation info on every transmission of Provide location information message from PRU via corresponding indicator.
- ⁇ LMF Request Location Information can include
- PRU sends above configured information per every transmission of Provide Location Information message to LMF
- the operation of the LMF may be different.
- the LMF provides AD (assistant data) to the PRU, and transmits a positioning reference signal (PRS) measurement or a sounding reference signal (SRS) accordingly, or a radio access technology (RAT)-independent
- PRS positioning reference signal
- SRS sounding reference signal
- RAT radio access technology
- LMF request the PRU for the transmission of PRS by configuring necessary PRS information and/or measurement of SRS transmitted by other UEs by configuring necessary SRS transmission information a priori.
- the LMF can perform the same operation as the existing target terminal when the PRU is a terminal type. If the PRU is a RAN node type, the LMF may request PRS transmission from the corresponding PRU and may request measurement of SRS transmission of another terminal.
- 7A and 7B are flowcharts for requesting location information by the LMF when the PRU is a fixed PRU.
- the PRU may receive a capability request message including an indicator requesting confirmation of whether or not it is a PRU from the LMF.
- the PRU When this message is received or even without this message, when the capability request message is received from the LMF, the PRU includes an indicator indicating that it is a PRU in the Provide Capability message, or it can additionally deliver various PRU-related information mentioned previously. It can be delivered to LMF including an indicator notifying it.
- an indicator notifying PRU and an indicator notifying that PRU-related information can be delivered may be included in the AD request message and delivered to the LMF.
- the LMF may include a location coordinate request and/or antenna orientation information request indicator in the location information request message and deliver it to the PRU.
- the LMF may be configured to report location coordinate information and/or antenna orientation information from the PRU once when information of fixed PRU is transmitted, and in performing location estimation and error value calculation, previously reported The location coordinate information and/or antenna orientation information may be continuously used.
- the LMF may include, in the location information request message, information indicative of a specific positioning method to perform location measurement, and other setting information for the report, the same as those included in the existing location information request message.
- the PRU Upon receiving this, the PRU measures or estimates the location using the given method, and includes the result in the Provide location information message. Additionally, the PRU may transmit the PRU's own location coordinate and/or antenna orientation information to the LMF by including it in the Provide location information message.
- the LMF compares the actual location information of the PRU with the estimated location based on the measurement result value measured using a specific method, and calculates an error value by integrating information such as set PRS and SRS. , it is possible to find a compensation term that can be used to provide settings for PRS and SRS measurements by inverting it.
- 8A and 8B are flowcharts for requesting location information by an LMF when the PRU is a mobile PRU.
- the PRU may receive a capability request message including an indicator requesting confirmation of whether or not it is a PRU from the LMF.
- the PRU Upon receiving this message, or even without this message, upon receiving a capability request message from the LMF, the PRU includes an indicator indicating that it is a PRU in the Provide Capability message, or additionally indicates that various PRU-related information mentioned previously can be delivered. Including the notification indicator, it can be delivered to the LMF.
- an indicator indicating that it is a PRU and an indicator indicating that PRU-related information can be transmitted may be included in the AD request message and delivered to the LMF.
- the LMF includes an indicator to add the location coordinate request and/or antenna orientation information to the location information request message every location information report.
- an indicator to add the location coordinate request and/or antenna orientation information to the location information request message every location information report.
- setting information for a specific positioning method and its report is the same as the existing location information request message.
- the PRU Upon receiving this, the PRU measures or estimates the location using the given method, and includes the result in the Provide location information message. Additionally, the PRU may transmit the PRU's own location coordinate and/or antenna orientation information to the LMF by including it in the Provide location information message. When transmitting the measurement result or location estimation value later, the PRU may always include the PRU's own location coordinate and/or antenna orientation information together and deliver it to the LMF.
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Abstract
Description
Claims (15)
- 통신 시스템에서 PRU(positioning reference unit)의 방법에 있어서,LMF(location management function) 엔티티로, 상기 PRU임을 지시하는 PRU 지시 정보를 포함하는 제1 메시지를 전송하는 단계;상기 LMF 엔티티로부터, 상기 제1 메시지에 기반하여 위치 관련 정보의 제공을 요청하는 요청 메시지를 수신하는 단계;상기 요청 메시지에 기반하여, 위치 측정을 수행하는 단계; 및상기 LMF 엔티티로, 상기 위치 측정의 결과 및 상기 PRU의 위치 정보를 포함하는 제2 메시지를 전송하는 단계를 포함하고,상기 PRU의 위치 정보는, 상기 요청 메시지에 기반하여 위치 좌표 정보 또는 안테나 방향 정보 중 적어도 하나를 포함하는 것을 특징으로 하는 PRU의 방법.
- 제1항에 있어서,상기 제1 메시지는, 상기 위치 좌표 정보의 제공이 가능함을 지시하는 제1 지시자 또는 상기 안테나 방향 정보의 제공이 가능함을 지시하는 제2 지시자 중 적어도 하나를 포함하는 상기 PRU의 능력 정보를 더 포함하고,상기 요청 메시지는, 상기 PRU의 능력 정보에 기반하여, 상기 위치 좌표 정보 또는 상기 안테나 방향 정보 중 적어도 하나의 제공을 지시하는 정보를 포함하는 것을 특징으로 하는 PRU의 방법.
- 제1항에 있어서,상기 제1 메시지는, 상기 PRU가 고정된(fixed) PRU인지 또는 이동하는(mobile) PRU인지를 지시하는 지시자를 더 포함하는 것을 특징으로 하는 PRU의 방법.
- 제3항에 있어서,상기 지시자가 상기 이동하는 PRU인 것을 지시하면, 상기 요청 메시지에는 추가 지시자가 포함되고,상기 추가 지시자는, 상기 제2 메시지를 전송할 때마다 상기 위치 좌표 정보 또는 상기 안테나 방향 정보 중 적어도 하나를 상기 제2 메시지에 추가할 것을 지시하는 것을 특징으로 하는 PRU의 방법.
- 통신 시스템에서 LMF(location management function) 엔티티의 방법에 있어서,PRU(positioning reference unit)로부터, 상기 PRU임을 지시하는 PRU 지시 정보를 포함하는 제1 메시지를 수신하는 단계;상기 PRU로, 상기 제1 메시지에 기반하여 위치 관련 정보의 제공을 요청하는 요청 메시지를 전송하는 단계;상기 PRU로부터, 상기 요청 메시지에 기반하여, 위치 측정의 결과 및 상기 PRU의 위치 정보를 포함하는 제2 메시지를 수신하는 단계; 및상기 제2 메시지에 기반하여 추정된 위치를 이용하여 기준신호 설정을 위한 오차 값을 결정하는 단계를 포함하고,상기 PRU의 위치 정보는, 상기 요청 메시지에 기반하여 위치 좌표 정보 또는 안테나 방향 정보 중 적어도 하나를 포함하는 것을 특징으로 하는 LMF 엔티티의 방법.
- 제5항에 있어서,상기 제1 메시지는, 상기 위치 좌표 정보의 제공이 가능함을 지시하는 제1 지시자 또는 상기 안테나 방향 정보의 제공이 가능함을 지시하는 제2 지시자 중 적어도 하나를 포함하는 상기 PRU의 능력 정보를 더 포함하고,상기 요청 메시지는, 상기 PRU의 능력 정보에 기반하여, 상기 위치 좌표 정보 또는 상기 안테나 방향 정보 중 적어도 하나의 제공을 지시하는 정보를 포함하는 것을 특징으로 하는 LMF 엔티티의 방법.
- 제5항에 있어서,상기 제1 메시지는, 상기 PRU가 고정된(fixed) PRU인지 또는 이동하는(mobile) PRU인지를 지시하는 지시자를 더 포함하는 것을 특징으로 하는 LMF 엔티티의 방법.
- 제7항에 있어서,상기 지시자가 상기 이동하는 PRU인 것을 지시하면, 상기 요청 메시지에는 추가 지시자가 포함되고,상기 추가 지시자는, 상기 제2 메시지를 전송할 때마다 상기 위치 좌표 정보 또는 상기 안테나 방향 정보 중 적어도 하나를 상기 제2 메시지에 추가할 것을 지시하는 것을 특징으로 하는 LMF 엔티티의 방법.
- 통신 시스템에서 PRU(positioning reference unit)에 있어서,송수신부; 및LMF(location management function) 엔티티로, 상기 PRU임을 지시하는 PRU 지시 정보를 포함하는 제1 메시지를 전송하도록 상기 송수신부를 제어하고, 상기 LMF 엔티티로부터, 상기 제1 메시지에 기반하여 위치 관련 정보의 제공을 요청하는 요청 메시지를 수신하도록 상기 송수신부를 제어하며, 상기 요청 메시지에 기반하여, 위치 측정을 수행하고, 및 상기 LMF 엔티티로, 상기 위치 측정의 결과 및 상기 PRU의 위치 정보를 포함하는 제2 메시지를 전송하도록 상기 송수신부를 제어하는 제어부를 포함하고,상기 PRU의 위치 정보는, 상기 요청 메시지에 기반하여 위치 좌표 정보 또는 안테나 방향 정보 중 적어도 하나를 포함하는 것을 특징으로 하는 PRU.
- 제9항에 있어서,상기 제1 메시지는, 상기 위치 좌표 정보의 제공이 가능함을 지시하는 제1 지시자 또는 상기 안테나 방향 정보의 제공이 가능함을 지시하는 제2 지시자 중 적어도 하나를 포함하는 상기 PRU의 능력 정보를 더 포함하고,상기 요청 메시지는, 상기 PRU의 능력 정보에 기반하여, 상기 위치 좌표 정보 또는 상기 안테나 방향 정보 중 적어도 하나의 제공을 지시하는 정보를 포함하는 것을 특징으로 하는 PRU.
- 제9항에 있어서,상기 제1 메시지는, 상기 PRU가 고정된(fixed) PRU인지 또는 이동하는(mobile) PRU인지를 지시하는 지시자를 더 포함하는 것을 특징으로 하는 PRU.
- 제11항에 있어서,상기 지시자가 상기 이동하는 PRU인 것을 지시하면, 상기 요청 메시지에는 추가 지시자가 포함되고,상기 추가 지시자는, 상기 제2 메시지를 전송할 때마다 상기 위치 좌표 정보 또는 상기 안테나 방향 정보 중 적어도 하나를 상기 제2 메시지에 추가할 것을 지시하는 것을 특징으로 하는 PRU.
- 통신 시스템에서 LMF(location management function) 엔티티에 있어서,송수신부; 및PRU(positioning reference unit)로부터, 상기 PRU임을 지시하는 PRU 지시 정보를 포함하는 제1 메시지를 수신하도록 상기 송수신부를 제어하고, 상기 PRU로, 상기 제1 메시지에 기반하여 위치 관련 정보의 제공을 요청하는 요청 메시지를 전송하도록 상기 송수신부를 제어하며, 상기 PRU로부터, 상기 요청 메시지에 기반하여, 위치 측정의 결과 및 상기 PRU의 위치 정보를 포함하는 제2 메시지를 수신하도록 상기 송수신부를 제어하고, 및 상기 제2 메시지에 기반하여 추정된 위치를 이용하여 기준신호 설정을 위한 오차 값을 결정하는 제어부를 포함하고,상기 PRU의 위치 정보는, 상기 요청 메시지에 기반하여 위치 좌표 정보 또는 안테나 방향 정보 중 적어도 하나를 포함하는 것을 특징으로 하는 LMF 엔티티.
- 제13항에 있어서,상기 제1 메시지는, 상기 위치 좌표 정보의 제공이 가능함을 지시하는 제1 지시자 또는 상기 안테나 방향 정보의 제공이 가능함을 지시하는 제2 지시자 중 적어도 하나를 포함하는 상기 PRU의 능력 정보를 더 포함하고,상기 요청 메시지는, 상기 PRU의 능력 정보에 기반하여, 상기 위치 좌표 정보 또는 상기 안테나 방향 정보 중 적어도 하나의 제공을 지시하는 정보를 포함하는 것을 특징으로 하는 LMF 엔티티.
- 제13항에 있어서,상기 제1 메시지는, 상기 PRU가 고정된(fixed) PRU인지 또는 이동하는(mobile) PRU인지를 지시하는 지시자를 더 포함하고,상기 지시자가 상기 이동하는 PRU인 것을 지시하면, 상기 요청 메시지에는 추가 지시자가 포함되고,상기 추가 지시자는, 상기 제2 메시지를 전송할 때마다 상기 위치 좌표 정보 또는 상기 안테나 방향 정보 중 적어도 하나를 상기 제2 메시지에 추가할 것을 지시하는 것을 특징으로 하는 LMF 엔티티.
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Title |
---|
CATT: "Consideration on Positioning Reference Units (PRUs)", 3GPP DRAFT; R3-213672, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. electronic; 20210816 - 20210826, 6 August 2021 (2021-08-06), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052035456 * |
CATT: "Discussion on Positioning Reference Units (PRUs) for positioning enhancement", 3GPP DRAFT; R2-2107143, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. electronic; 20210816 - 20210827, 6 August 2021 (2021-08-06), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052033913 * |
OPPO: "Discussion on Positioning Reference Units (PRUs) for enhancing positioning performance", 3GPP DRAFT; R2-2107831, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. electronic; 20210801, 6 August 2021 (2021-08-06), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052034443 * |
QUALCOMM INCORPORATED: "Signalling and Procedures for supporting Positioning Reference Units", 3GPP DRAFT; R3-213399, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. Electronic Meeting; 20210816 - 20210827, 5 August 2021 (2021-08-05), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052032700 * |
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