WO2023193252A1 - Uplink positioning method and apparatus, device and storage medium - Google Patents

Uplink positioning method and apparatus, device and storage medium Download PDF

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Publication number
WO2023193252A1
WO2023193252A1 PCT/CN2022/085890 CN2022085890W WO2023193252A1 WO 2023193252 A1 WO2023193252 A1 WO 2023193252A1 CN 2022085890 W CN2022085890 W CN 2022085890W WO 2023193252 A1 WO2023193252 A1 WO 2023193252A1
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WO
WIPO (PCT)
Prior art keywords
positioning
carrier phase
uplink
phase
relative carrier
Prior art date
Application number
PCT/CN2022/085890
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French (fr)
Chinese (zh)
Inventor
李明菊
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2022/085890 priority Critical patent/WO2023193252A1/en
Priority to CN202280001123.XA priority patent/CN117204075A/en
Publication of WO2023193252A1 publication Critical patent/WO2023193252A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G01S19/43—Determining position using carrier phase measurements, e.g. kinematic positioning; using long or short baseline interferometry
    • G01S19/44—Carrier phase ambiguity resolution; Floating ambiguity; LAMBDA [Least-squares AMBiguity Decorrelation Adjustment] method
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • 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

Definitions

  • the present application relates to the field of wireless communications, and in particular to an uplink positioning method, device, equipment and storage medium.
  • network devices need to obtain the location information of terminal devices.
  • the terminal device receives the uplink positioning signal configuration sent by the network device, and the terminal device sends uplink positioning to the positioning node based on the uplink positioning signal configuration. Signal.
  • the positioning node receives the uplink positioning signal and measures the angle of arrival, departure angle, and round-trip time, and reports the measurement results to the network device, which calculates the position of the terminal device.
  • This method calculates the position of the terminal device based on the departure angle, arrival angle, and round-trip time, but the positioning accuracy obtained is low.
  • Embodiments of the present application provide an uplink positioning method, device, equipment and storage medium, which can use a relative carrier phase positioning method in a cellular network to improve positioning accuracy.
  • the technical solutions are as follows:
  • an uplink positioning method is provided.
  • the method is executed by a terminal device.
  • the method includes:
  • the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  • an uplink positioning method is provided.
  • the method is executed by a positioning node.
  • the method includes:
  • the uplink positioning signal sent by the terminal device is received, and the uplink positioning signal is used to obtain the relative carrier phase.
  • an uplink positioning method is provided.
  • the method is executed by a network device.
  • the method includes:
  • the configuration information of the uplink positioning signal is sent to the terminal device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  • an uplink positioning device is provided, and the device includes:
  • the first receiving module is configured to receive the configuration information of the uplink positioning signal sent by the network device.
  • the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  • an uplink positioning device is provided, and the device includes:
  • the second receiving module is used to receive the uplink positioning signal sent by the terminal equipment, and the uplink positioning signal is used to obtain the relative carrier phase.
  • an uplink positioning device is provided, and the device includes:
  • the third sending module is used to send the configuration information of the uplink positioning signal to the terminal device.
  • the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  • a terminal device includes: a transceiver; wherein,
  • the transceiver is used to receive the configuration information of the uplink positioning signal sent by the network device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  • a network device includes: a transceiver; wherein,
  • the transceiver is used to receive an uplink positioning signal sent by a terminal device, and the uplink positioning signal is used to obtain a relative carrier phase.
  • a network device includes: a transceiver; wherein,
  • the transceiver is used to send the configuration information of the uplink positioning signal to the terminal device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  • a computer-readable storage medium stores executable instructions, and the executable instructions are loaded and executed by a processor to implement the uplink as described in the above aspect. Positioning method.
  • a chip is provided.
  • the chip includes programmable logic circuits and/or program instructions. When the chip is run on a computer device, it is used to implement the uplink positioning described in the above aspect. method.
  • a computer program product is provided.
  • the computer program product When the computer program product is run on a processor of a computer device, it causes the computer device to perform the uplink positioning method described in the above aspect.
  • the relative carrier phase method is introduced into the cellular network, and the terminal device is configured with an uplink positioning signal for relative carrier phase positioning.
  • the terminal device sends an uplink positioning signal based on the configuration information.
  • the positioning node receives the uplink positioning signal and measures the relative carrier phase. Solving the position of the terminal device based on the relative carrier phase can improve the positioning accuracy to centimeter level.
  • Figure 1 is a schematic diagram of the system architecture provided by an exemplary embodiment of the present application.
  • Figure 2 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application.
  • Figure 3 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application.
  • Figure 4 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application.
  • Figure 5 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application.
  • Figure 6 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application.
  • Figure 7 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application.
  • Figure 8 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application.
  • Figure 9 is a structural block diagram of an uplink positioning device provided by an exemplary embodiment of the present application.
  • Figure 10 is a structural block diagram of an uplink positioning device provided by an exemplary embodiment of the present application.
  • Figure 11 is a structural block diagram of an uplink positioning device provided by an exemplary embodiment of the present application.
  • Figure 12 is a schematic structural diagram of a communication device provided by an exemplary embodiment of the present application.
  • first, second, etc. may be used in this application to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first parameter may also be called a second parameter, and similarly, the second parameter may also be called a first parameter.
  • word “if” as used herein may be interpreted as "when” or “when” or “in response to determining.”
  • the information including but not limited to user equipment information, user personal information, etc.
  • data including but not limited to data used for analysis, stored data, displayed data, etc.
  • signals involved in this application All are authorized by the user or fully authorized by all parties, and the collection, use and processing of relevant data need to comply with relevant laws, regulations and standards of relevant countries and regions.
  • FIG. 1 shows a schematic diagram of a communication system 100 provided by an embodiment of the present application.
  • the communication system 100 may include: a terminal device 10 and a network device, where the network device may include at least one of an access network device 20 and a core network device 30.
  • the terminal equipment 10 may refer to user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station (Mobile Station, MS), remote station, remote terminal, mobile device, wireless communication device, user Agent or user device.
  • the terminal device 10 may also be a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a Wireless Local Loop (WLL) station, or a Personal Digital Assistant (Personal Digital Assistant, PDA).
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • terminal devices in the fifth generation mobile communication system (5th Generation System, 5GS) or public utility devices that will evolve in the future
  • 5GS fifth generation mobile communication system
  • PLMN Public Land Mobile Network
  • the embodiments of the present application are not limited to terminal equipment in a land mobile communication network (Public Land Mobile Network, PLMN), etc.
  • PLMN Public Land Mobile Network
  • the number of terminal devices 10 is usually multiple, and one or more terminal devices 10 may be distributed in the cell managed by each access network device 20 .
  • the access network device 20 is a device deployed in the access network to provide wireless communication functions for the terminal device 10 .
  • the access network device 20 may include various forms of macro base stations, micro base stations, relay stations, access points, etc.
  • the names of devices with access network device functions may be different. For example, in 5G NR systems, they are called gNodeB or gNB. As communication technology evolves, the name "access network equipment" may change.
  • access network devices For convenience of description, in the embodiment of the present application, the above-mentioned devices that provide wireless communication functions for the terminal device 10 are collectively referred to as access network devices.
  • a communication relationship can be established between the terminal device 10 and the core network device 30.
  • the access network device 20 may be an Evolved Universal Terrestrial Radio Access Network (EUTRAN) or one or more eNodeBs in EUTRAN;
  • EUTRAN Evolved Universal Terrestrial Radio Access Network
  • the access network device 20 may be a radio access network (Radio Access Network, RAN) or one or more gNBs in the RAN.
  • RAN Radio Access Network
  • each access network device 20 includes one or more Transmission Reference Points (TRPs).
  • TRPs Transmission Reference Points
  • Each TRP can be called a positioning node.
  • the positioning node receives the uplink positioning signal sent by the terminal device, and performs Measure and report uplink positioning signals.
  • the core network device 30 is a device deployed in the core network.
  • the core network device 30 mainly functions to provide user connections, manage users, and carry services, and serves as an interface for the bearer network to provide to external networks.
  • the core network equipment in the 5G NR system can include Access and Mobility Management Function (AMF) network elements, User Plane Function (UPF) network elements and Session Management Function (Session Management Function, SMF) network element, etc.
  • the core network device 30 in the embodiment of the present application may include a location management function network element.
  • the location management function network element includes a location server.
  • the location server can be implemented as any of the following: LMF (Location Management Function, location management network element), E-SMLC (Enhanced Serving Mobile Location Center, enhanced Service mobile location center), SUPL (Secure User Plane Location, secure user plane location), SUPL SLP (SUPL Location Platform, secure user plane location platform).
  • LMF Location Management Function, location management network element
  • E-SMLC Enhanced Serving Mobile Location Center, enhanced Service mobile location center
  • SUPL Secure User Plane Location, secure user plane location
  • SUPL SLP SUPL Location Platform, secure user plane location platform.
  • the access network device 20 and the core network device 30 communicate with each other through some air interface technology, such as the NG interface in the 5G NR system.
  • the access network device 20 and the terminal device 10 communicate with each other through some air interface technology, such as the Uu interface.
  • the "5G NR system" in the embodiments of this application may also be called a 5G system or an NR system, but those skilled in the art can understand its meaning.
  • the technical solution described in the embodiments of this application can be applied to the 5G NR system, and can also be applied to the subsequent evolution system of the 5G NR system.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA broadband code division multiple access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • Figure 2 shows a flow chart of an uplink positioning method provided by an embodiment of the present application.
  • This method can be applied to a terminal device, and the terminal device can be a terminal device in the communication system shown in Figure 1.
  • the method includes the following steps.
  • Step 210 Receive the configuration information of the uplink positioning signal sent by the network device.
  • the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  • Uplink positioning signals include SRS (Sounding Reference Signal, detection reference signal), or new reference signals used for positioning.
  • SRS Sounding Reference Signal, detection reference signal
  • new reference signals used for positioning.
  • the number of uplink positioning signals is at least one.
  • the network device may configure multiple uplink positioning signals on one or more carrier frequencies.
  • Network equipment can be access network equipment or core network equipment.
  • the core network device may include a location management function network element.
  • the location management function network element includes a location server.
  • the location server can be implemented as any of the following: LMF, E-SMLC, SUPL, SUPL SLP.
  • the terminal device sends the uplink positioning signal to the positioning node based on the configuration information of the uplink positioning signal, or the terminal device broadcasts the uplink positioning signal based on the configuration information of the uplink positioning signal.
  • At least one positioning node receives the uplink positioning signal and measures the relative carrier phase, and reports the relative carrier phase as the measurement result to the network device.
  • the network device calculates the position of the terminal device based on the relative carrier phase.
  • the positioning node is a TRP, that is, an access network device.
  • an access network device includes one or more TRPs.
  • the number of positioning nodes is at least one.
  • the at least one positioning node may include a TRP of a serving cell of the terminal device and/or a TRP of a neighboring cell of the terminal device.
  • the positioning node may be the TRP of the network device.
  • Relative carrier phase can also be called carrier phase difference, or uplink relative carrier phase, or uplink carrier phase difference.
  • the relative carrier phase is defined as: the difference between the uplink positioning signal phase received by positioning node j and the reference phase.
  • the reference phase value requires core network configuration.
  • the reference phase may also include a phase value corresponding to the reference time.
  • the relative carrier phase is the phase difference between the phase of the uplink positioning signal received by the positioning node and the reference phase.
  • the reference phase is configured by the network device.
  • the reference phase is a fixed phase value.
  • the network device configures a reference time, and the reference phase includes the carrier phase corresponding to the uplink positioning signal at the reference time. That is, the relative carrier phase includes the difference between the first carrier phase of the uplink positioning signal measured by the terminal equipment at the first time and the second carrier phase corresponding to the uplink positioning signal at the reference time.
  • the first time is equal to, earlier than or later than the reference time.
  • the phase of the uplink positioning signal includes a first integer number and/or a first fractional part that is less than an integer
  • the reference phase includes a second integer number and/or a second fractional part that is less than an integer
  • the uplink positioning signal The phase of the phase difference is compared with the reference phase, and the relative carrier phase obtained includes the third integer number and/or the third fractional part that is less than the integer number.
  • the phase measurement value of the uplink positioning signal includes the first fractional part that is less than a full cycle, and the time corresponding to the measurement value is the first time, and the reference time included in the reference phase is the second time, then according to the first time and The time interval between the second times can be obtained.
  • the carrier phase of the uplink positioning signal includes the second integer number and/or the second fractional part less than the integer number, and the second integer number and/or the second fractional part of the integer number.
  • the relative carrier phase obtained by the difference between the second decimal part and the first decimal part includes a third integer number and/or a third decimal part that is less than an integer number.
  • the first time here can be earlier than the second time, equal to the second time, or later than the second time, and there is no restriction here.
  • the time interval here is the difference between the two, both are non-negative values.
  • the terminal device establishes a Radio Resource Control (RRC) connection with the network device, and the network device uses the LTE Positioning Protocol (LTE Positioning Protocol, LPP) to send the configuration information of the uplink positioning signal to the terminal device.
  • RRC Radio Resource Control
  • LPP LTE Positioning Protocol
  • the method provided by this embodiment introduces the relative carrier phase method into the cellular network, and configures the uplink positioning signal for relative carrier phase positioning for the terminal device.
  • the terminal device sends an uplink positioning signal based on the configuration information.
  • the positioning node receives the uplink positioning signal and measures the relative carrier phase. Solving the position of the terminal device based on the relative carrier phase can improve the positioning accuracy to centimeter level.
  • Figure 3 shows a flow chart of an uplink positioning method provided by an embodiment of the present application.
  • This method can be applied to a positioning node, and the positioning node can be a TRP in the communication system shown in Figure 1.
  • the method includes the following steps.
  • Step 310 Receive the uplink positioning signal sent by the terminal device.
  • the uplink positioning signal is used to obtain the relative carrier phase.
  • the terminal device sends an uplink positioning signal based on the configuration information of the uplink positioning signal.
  • the positioning node receives the uplink positioning signal sent by the terminal device and measures the uplink positioning signal to obtain the relative carrier phase.
  • the positioning node measures the phase of the uplink positioning signal, and compares the phase of the uplink positioning signal with the reference phase to obtain the relative carrier phase.
  • the positioning node reports a positioning report to the network device, and the positioning report includes the relative carrier phase, so that the network device calculates the position of the terminal device based on the relative carrier phase.
  • the method provided by this embodiment introduces the relative carrier phase method into the cellular network, and configures the uplink positioning signal for relative carrier phase positioning for the terminal device.
  • the terminal device sends an uplink positioning signal based on the configuration information.
  • the positioning node receives the uplink positioning signal and measures the relative carrier phase. Solving the position of the terminal device based on the relative carrier phase can improve the positioning accuracy to centimeter level.
  • FIG 4 shows a flow chart of an uplink positioning method provided by an embodiment of the present application.
  • This method can be applied to network equipment.
  • the network equipment can be the access network equipment in the communication system shown in Figure 1 or Core network equipment.
  • the method includes the following steps.
  • Step 410 Send the configuration information of the uplink positioning signal to the terminal device.
  • the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  • the configuration information of the uplink positioning signal includes at least one of the following: period, slot offset (slotoffset), number of occupied symbols, comb-size (comb structure/comb tooth size), starting symbol position, sub-carrier spacing (Sub -Carrier Space (SCS), quasi-colocation (QCL) information, carrier frequency, bandwidth, starting physical resource block PRB (Physical Resource Block, PRB) location, power control parameters P0 and alpha and path loss reference ( pathlossReferenceRS).
  • the quasi-co-location information is used to indicate the reference signals of different TRP/positioning nodes.
  • the uplink positioning signal is sent periodically, or the uplink positioning signal is sent aperiodicly, or the uplink positioning signal is sent semi-persistent.
  • the method provided by this embodiment introduces the relative carrier phase method into the cellular network, and configures the uplink positioning signal for relative carrier phase positioning for the terminal device.
  • the terminal device sends an uplink positioning signal based on the configuration information.
  • the positioning node receives the uplink positioning signal and measures the relative carrier phase. Solving the position of the terminal device based on the relative carrier phase can improve the positioning accuracy to centimeter level.
  • Figure 5 shows a flow chart of an uplink positioning method provided by an embodiment of the present application.
  • This method can be applied to terminal equipment, positioning nodes and network equipment in the communication system shown in Figure 1.
  • the network equipment can It is access network equipment or core network equipment.
  • the method includes the following steps.
  • Step 501 The terminal device receives the configuration information of the uplink positioning signal sent by the network device.
  • the network device sends an LPP message to the terminal device, and the LPP message includes the configuration information of the uplink positioning signal.
  • the terminal device receives the LPP message sent by the network device and reads the configuration information of the uplink positioning signal in the LPP message.
  • Step 502 The terminal device sends an uplink positioning signal to the positioning node.
  • the terminal device sends the uplink positioning signal to the positioning node based on the configuration information of the uplink positioning signal. Or, the terminal device broadcasts the uplink positioning signal based on the configuration information of the uplink positioning signal. At least one positioning node receives the uplink positioning signal sent by the terminal device, and measures the uplink positioning signal to obtain the relative carrier phase.
  • the positioning node receives and measures at least one uplink positioning signal sent by the terminal device. For the same uplink positioning signal, the positioning node can measure multiple relative carrier phases at different times. The relative carrier phase corresponds to the corresponding timestamp and/or the corresponding uplink positioning signal identifier. The positioning node can also measure multiple uplink positioning signals sent by the terminal device at one time to obtain multiple relative carrier phases.
  • the relative carrier phase is the measurement result of the positioning node.
  • the relative carrier phase is the difference between the phase of the uplink positioning signal received by the positioning node and the reference phase.
  • the network device can be configured with the same or different reference phases, or the network device can be configured with the same or different reference times, so that different positioning nodes can measure the reference phases according to their respective reference times.
  • the configuration information of the uplink positioning signal may also include positioning node indication information.
  • the positioning node indication information is used to indicate the positioning node corresponding to each uplink positioning signal, so that the terminal device sends uplink information to the positioning node based on the positioning node indication information. Positioning signal.
  • the terminal device sends the uplink positioning signal 1 to the positioning node 1 and sends the uplink positioning signal 2 to the positioning node 2 based on the configuration information of the uplink positioning signal.
  • Positioning node 1 receives the uplink positioning signal 1 and measures the relative carrier phase 1.
  • the positioning node 2 receives the uplink positioning signal 2 and measures the relative carrier phase 2.
  • Step 504 The positioning node obtains the relative carrier phase.
  • the positioning node receives the uplink positioning signal sent by the terminal device, measures the uplink positioning signal to obtain the phase of the uplink positioning signal, and obtains the relative carrier phase by difference between the phase of the uplink positioning signal and the reference phase.
  • the network device sends the configuration information of the reference phase to the positioning node, and the positioning node reads the configuration information of the reference phase and determines the reference phase.
  • the reference phase corresponds to a reference time (reference timestamp).
  • the relative carrier phase is the measurement result of the positioning node.
  • the relative carrier phase is the difference between the first carrier phase of the uplink positioning signal and the reference phase.
  • the first carrier phase is the phase of the uplink positioning signal measured by the positioning device at the first time.
  • the reference phase is a fixed value of the network device. Or, the network device configures a reference time, and the reference phase is the phase corresponding to the uplink positioning signal at the reference time.
  • the relative carrier phase corresponds to the timestamp of the first carrier phase (first time) and the timestamp of the reference phase (reference time).
  • each first carrier phase is different from the reference phase to obtain multiple corresponding uplink positioning signals respectively.
  • relative carrier phase corresponds to the identifier of the uplink positioning signal.
  • Multiple relative carrier phases correspond to different identities of uplink positioning signals and may correspond to the same timestamp.
  • the relative carrier phase has a one-to-one correspondence with at least one of the following: the timestamp of the first carrier phase, the timestamp of the reference time, the identifier of the uplink positioning signal, and the identifier of the reference phase.
  • the positioning node may report the measured relative carrier phase to the network device, or the positioning node may calculate the position of the terminal device based on the relative carrier phase and report the position of the terminal device to the network device.
  • the method provided by this embodiment introduces the relative carrier phase method into the cellular network, and configures the uplink positioning signal for relative carrier phase positioning for the terminal device.
  • the terminal device sends an uplink positioning signal based on the configuration information.
  • the positioning node receives the uplink positioning signal and measures the phase of the uplink positioning signal.
  • the phase of the uplink positioning signal is compared with the reference phase to obtain the relative carrier phase.
  • the position of the terminal device is calculated based on the relative carrier phase. , which can accurately locate terminal equipment, making the positioning accuracy reach centimeter level.
  • the positioning node can upload a positioning report to the network device.
  • Figure 7 shows a flow chart of an uplink positioning method provided by an embodiment of the present application.
  • This method can be applied to terminal equipment, positioning nodes and network equipment in the communication system shown in Figure 1.
  • the network equipment can It is access network equipment or core network equipment.
  • the method further includes step 505 .
  • Step 501 The terminal device receives the configuration information of the uplink positioning signal sent by the network device.
  • Step 502 The terminal device sends an uplink positioning signal to the positioning node.
  • the positioning node receives the uplink positioning signal at time 1 and measures the carrier phase 1.
  • Step 504 The positioning node obtains the relative carrier phase.
  • the reference time is time 2
  • the positioning node obtains the carrier phase 2 of the uplink positioning signal at time 2
  • the carrier phase 2 is the reference phase.
  • the positioning node calculates the difference between carrier phase 1 and carrier phase 2 to obtain the relative carrier phase.
  • the reference phase is carrier phase 3 configured by the network device.
  • the positioning node calculates the difference between carrier phase 1 and carrier phase 3 to obtain the relative carrier phase.
  • Step 505 The positioning node sends a positioning report to the network device, where the positioning report includes the relative carrier phase.
  • the network device receives at least one positioning report sent by at least one positioning node, and the parameters in the positioning report correspond to the positioning node.
  • the network device calculates the location of the terminal device based on the positioning report reported by at least one positioning node.
  • the positioning report includes at least one of the following: the integer number of phases of the relative carrier phase, the fractional part of the relative carrier phase that is less than an integer, the phase error group information corresponding to the relative carrier phase, the positioning node (positioning node identification) corresponding to the relative carrier phase, The positioning signal identifier corresponding to the relative carrier phase, the positioning signal set identifier corresponding to the relative carrier phase, the direct path indication information corresponding to the relative carrier phase, and the timestamp corresponding to the relative carrier phase.
  • the phase error group information includes phase error group ID or error value.
  • One relative carrier phase corresponds to at least one timestamp (including at least one of the timestamp corresponding to the phase of the uplink positioning signal and the reference timestamp corresponding to the reference phase).
  • Multiple relative carrier phases may correspond to the same identity of the first positioning signal and different As for the timestamp, multiple relative carrier phases may correspond to the identifiers of different first positioning signals and different timestamps, and multiple relative carrier phases may correspond to the identifiers of different first positioning signals and the same timestamp.
  • the direct path indication information is used to indicate whether the path measurement result is a direct path, or to indicate the probability that it is a direct path.
  • the positioning report also includes at least one of the following: RSRP (Reference Signal Receiving Power, reference signal receiving power), angle of arrival (Angle of Arrival, AoA), angle of departure (Angle of Departure, AoD), time of arrival (Time of Arrival, ToA ), Time Difference of Arrival (TDoA), Round Trip Time (RTT) and time error group.
  • RSRP Reference Signal Receiving Power, reference signal receiving power
  • angle of arrival Angle of Arrival, AoA
  • Angle of Departure, AoD angle of departure
  • time of arrival Time of Arrival, ToA
  • Time Difference of Arrival ToA
  • RTT Round Trip Time
  • time error group includes REG (Rx Time Error Group, receiving time error group) or TREG (Tx Rx Time Error Group, transmitting and receiving time error group).
  • the parameters in the positioning report may be based on the measurement results of paths, that is, different paths correspond to a set of parameters in the positioning report.
  • the positioning report may not consider different paths, that is, different paths correspond to the same set of parameters in the positioning report.
  • the positioning node may report a positioning report of this measurement to the network device at the end of a measurement period, where the positioning report includes at least one relative carrier phase measured within a measurement period.
  • the positioning node may also report a positioning report to the network device after obtaining a relative carrier phase, where the positioning report includes the relative carrier phase and related information.
  • the method provided by this embodiment introduces the relative carrier phase method into the cellular network, and configures the uplink positioning signal for relative carrier phase positioning for the terminal device.
  • the terminal device sends an uplink positioning signal based on the configuration information.
  • the positioning node receives the uplink positioning signal and measures the phase of the uplink positioning signal.
  • the phase of the uplink positioning signal is compared with the reference phase to obtain the relative carrier phase.
  • the positioning node reports a positioning report to the network device.
  • the positioning report includes the relative carrier phase.
  • the network device determines the position of the terminal device based on the relative carrier phase, and can accurately locate the terminal device, making the positioning accuracy reach centimeter level.
  • the terminal device can also report auxiliary information to the network device, and the auxiliary information is used to assist the network device in calculating the location of the terminal device.
  • Figure 8 shows a flow chart of an uplink positioning method provided by an embodiment of the present application.
  • This method can be applied to terminal equipment, positioning nodes and network equipment in the communication system shown in Figure 1.
  • the network equipment can It is access network equipment or core network equipment.
  • the method further includes step 503 .
  • Step 501 The terminal device receives the configuration information of the uplink positioning signal sent by the network device.
  • Step 502 The terminal device sends an uplink positioning signal to the positioning node.
  • Step 503 The terminal device sends auxiliary information to the network device.
  • the terminal device sends auxiliary information to the network device, where the auxiliary information includes phase error group information and/or timing error group information corresponding to the uplink positioning signal.
  • the auxiliary information includes phase error group information and/or timing error group information corresponding to each uplink positioning signal on each carrier frequency, and the phase error group information and/or timing error group information includes phase error group ID and/or timing error group ID, Or, the phase error group information and/or the timing error group information include phase error values and/or timing error values.
  • the auxiliary information is used to assist the network device in calculating the location of the terminal device.
  • the network device receives the auxiliary information, the network device receives the positioning report sent by the positioning node, calculates the position of the terminal device based on the positioning report, and then corrects the position of the terminal device based on the auxiliary information.
  • steps 502 and 503 are executed in no particular order, that is, the two steps can be executed at the same time or in any order.
  • Step 504 The positioning node obtains the relative carrier phase.
  • Step 505 The positioning node sends a positioning report to the network device, where the positioning report includes the relative carrier phase.
  • the network device receives at least one positioning report sent by at least one positioning node, and the parameters in the positioning report correspond to the positioning node.
  • the network device calculates the location of the terminal device based on the auxiliary information and the positioning report reported by at least one positioning node.
  • the network device may modify the data in the positioning report based on the auxiliary information.
  • the network device corrects the positioning report based on the auxiliary information to obtain a corrected positioning report, and the network device calculates the location of the terminal device based on the corrected positioning report.
  • the network device may correct the relative carrier phase in the positioning report based on the phase error group information in the auxiliary information, or the network device may correct the timestamp and arrival time corresponding to the relative carrier phase in the positioning report based on the timing error group information in the auxiliary information. , arrival time difference, round trip time value and other information.
  • the network device can also receive auxiliary information sent by the terminal device.
  • the auxiliary information includes phase error group information or timing error group information.
  • the network device can correct the information in the positioning report based on the auxiliary information. , to obtain more accurate measurement results, thereby accurately solving the position of the terminal device, and accurately positioning the terminal device, so that the positioning accuracy reaches centimeter level.
  • Figure 9 shows a structural block diagram of an uplink positioning device provided by an exemplary embodiment of the present application.
  • the device can be implemented as a terminal device, or can be implemented as a part of the terminal device.
  • the device includes:
  • the first receiving module 601 is configured to receive the configuration information of the uplink positioning signal sent by the network device.
  • the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  • the relative carrier phase includes a phase difference between the phase of the uplink positioning signal received by the positioning node and the reference phase.
  • the reference phase is configured by a network device, and the device further includes:
  • the first sending module 602 is configured to send the uplink positioning signal to the positioning node based on the configuration information of the uplink positioning signal.
  • the configuration information of the uplink positioning signal includes at least one of the following: period, time slot offset, number of occupied symbols, comb structure comb-size, starting symbol position, subcarrier Spacing, quasi-co-located QCL information, carrier frequency, bandwidth, starting physical resource block PRB position, power control parameters P0 and alpha and path loss reference.
  • the device further includes:
  • the first sending module 602 is configured to send auxiliary information to the network device, where the auxiliary information includes phase error group information and/or timing error group information corresponding to the uplink positioning signal.
  • the uplink positioning signal includes a sounding reference signal SRS.
  • Figure 10 shows a structural block diagram of an uplink positioning device provided by an exemplary embodiment of the present application.
  • the device can be implemented as a positioning node, or can be implemented as a part of a positioning node.
  • the device includes:
  • the second receiving module 701 is used to receive the uplink positioning signal sent by the terminal device, where the uplink positioning signal is used to obtain the relative carrier phase.
  • the relative carrier phase includes a phase difference between a phase of the uplink positioning signal received by the positioning node and a reference phase.
  • the reference phase is configured by a network device.
  • the device further includes:
  • the second sending module 702 is configured to send a positioning report to the network device, where the positioning report includes the relative carrier phase.
  • the positioning report includes at least one of the following: the integer number of phases of the relative carrier phase, the fractional part of the relative carrier phase that is less than an integer, and the number of phases corresponding to the relative carrier phase.
  • Phase error group information the positioning node corresponding to the relative carrier phase, the positioning signal identifier corresponding to the relative carrier phase, the positioning signal set identifier corresponding to the relative carrier phase, and the direct path indication corresponding to the relative carrier phase information and the timestamp corresponding to the relative carrier phase.
  • the positioning report further includes at least one of the following: reference signal received power RSRP, arrival angle, departure angle, arrival time, arrival time difference, round trip time value, and time error group.
  • the uplink positioning signal includes a sounding reference signal SRS.
  • Figure 11 shows a structural block diagram of an uplink positioning device provided by an exemplary embodiment of the present application.
  • the device can be implemented as a network device, or can be implemented as a part of the network device.
  • the device includes:
  • the third sending module 802 is configured to send the configuration information of the uplink positioning signal to the terminal device.
  • the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  • the relative carrier phase includes a phase difference between the phase of the uplink positioning signal received by the positioning node and the reference phase.
  • the reference phase is configured by the network device.
  • the device further includes:
  • the third receiving module 801 is configured to receive a positioning report sent by a positioning node, where the positioning report includes the relative carrier phase measured by the positioning node.
  • the positioning report includes at least one of the following: the integer number of phases of the relative carrier phase, the fractional part of the relative carrier phase that is less than an integer, and the number of phases corresponding to the relative carrier phase.
  • Phase error group information the positioning node corresponding to the relative carrier phase, the positioning signal identifier corresponding to the relative carrier phase, the positioning signal set identifier corresponding to the relative carrier phase, and the direct path indication corresponding to the relative carrier phase information and the timestamp corresponding to the relative carrier phase.
  • the positioning report further includes at least one of the following: reference signal received power RSRP, arrival angle, departure angle, arrival time, arrival time difference, round trip time value and time error group.
  • the device further includes:
  • the third receiving module 801 is configured to receive auxiliary information sent by the terminal device, where the auxiliary information includes phase error group information and/or timing error group information corresponding to the uplink positioning signal.
  • the uplink positioning signal includes a sounding reference signal SRS.
  • Figure 12 shows a schematic structural diagram of a communication device (terminal device or network device) provided by an exemplary embodiment of the present application.
  • the communication device includes: a processor 1001, a receiver 1002, a transmitter 1003, a memory 1004 and a bus 1005.
  • the processor 1001 includes one or more processing cores.
  • the processor 1001 executes various functional applications and information processing by running software programs and modules.
  • the receiver 1002 and the transmitter 1003 can be implemented as a communication component, and the communication component can be a communication chip.
  • the memory 1004 is connected to the processor 1001 through a bus 1005.
  • the memory 1004 can be used to store at least one instruction, and the processor 1001 is used to execute the at least one instruction to implement each step in the above method embodiment.
  • memory 1004 may be implemented by any type of volatile or non-volatile storage device, or combination thereof, including but not limited to: magnetic or optical disks, electrically erasable programmable Read-only memory (Electrically-Erasable Programmable Read Only Memory, EEPROM), erasable programmable read-only memory (Erasable Programmable Read Only Memory, EPROM), static random access memory (Static Random Access Memory, SRAM), read-only memory (Read-Only Memory, ROM), magnetic memory, flash memory, programmable read-only memory (Programmable Read-Only Memory, PROM).
  • magnetic or optical disks electrically erasable programmable Read-only memory (Electrically-Erasable Programmable Read Only Memory, EEPROM), erasable programmable read-only memory (Erasable Programmable Read Only Memory, EPROM), static random access memory (Static Random Access Memory, SRAM), read-only memory (Read-Only Memory, ROM), magnetic memory, flash memory, programmable read-only memory
  • the processor and transceiver in the communication device involved in the embodiment of the present application can perform the steps performed by the terminal device in any of the methods shown in Figures 2-5. No further details will be given.
  • the communication device when the communication device is implemented as a terminal device,
  • the transceiver is used to receive the configuration information of the uplink positioning signal sent by the network device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  • the processor and transceiver in the communication device involved in the embodiment of the present application can perform the steps performed by the positioning node in any of the methods shown in Figures 2-5. This is No further details will be given.
  • the communication device when the communication device is implemented as a positioning node,
  • the transceiver is used to receive an uplink positioning signal sent by a terminal device, and the uplink positioning signal is used to obtain a relative carrier phase.
  • the processor and transceiver in the communication device involved in the embodiment of the present application can perform the steps performed by the network device in any of the methods shown in Figures 2-5. No further details will be given.
  • the communication device when the communication device is implemented as a network device,
  • the transceiver is used to send the configuration information of the uplink positioning signal to the terminal device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  • a computer-readable storage medium in which at least one instruction, at least a program, a code set or an instruction set is stored, and the at least one instruction, the At least a section of the program, the code set or the instruction set is loaded and executed by the processor to implement the uplink positioning method executed by the communication device provided by each of the above method embodiments.
  • a chip is also provided.
  • the chip includes programmable logic circuits and/or program instructions. When the chip is run on a computer device, it is used to implement the uplink positioning method described in the above aspect. .
  • a computer program product is also provided.
  • the computer program product When the computer program product is run on a processor of a computer device, the computer device performs the uplink positioning method described in the above aspect.

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Abstract

An uplink positioning method and apparatus, a device and a storage medium, relating to the field of wireless communication. The method is applied to a terminal device, and comprises: receiving configuration information of an uplink positioning signal sent by a network device, the uplink positioning signal being used for enabling a positioning node to obtain a relative carrier phase (210). According to the method and device, the device and the storage medium, a relative carrier phase positioning method can be used in a cellular network, so that the positioning precision is improved.

Description

上行定位方法、装置、设备及存储介质Uplink positioning methods, devices, equipment and storage media 技术领域Technical field
本申请涉及无线通信领域，特别涉及一种上行定位方法、装置、设备及存储介质。The present application relates to the field of wireless communications, and in particular to an uplink positioning method, device, equipment and storage medium.
背景技术Background technique
在通信、导航、定位等多种基于位置的服务中，网络设备需要获取终端设备的位置信息。In various location-based services such as communication, navigation, and positioning, network devices need to obtain the location information of terminal devices.
目前在5G(5th Generation Mobile Networks，第五代通信)NR(New Radio，新空口)***中，终端设备接收网络设备发送的上行定位信号配置，终端设备基于上行定位信号配置向定位节点发送上行定位信号。定位节点接收上行定位信号并测量到达角、出发角、往返时间，将测量结果上报给网络设备，网络设备计算终端设备的位置。Currently in the 5G (5th Generation Mobile Networks, fifth generation communications) NR (New Radio, New Radio) system, the terminal device receives the uplink positioning signal configuration sent by the network device, and the terminal device sends uplink positioning to the positioning node based on the uplink positioning signal configuration. Signal. The positioning node receives the uplink positioning signal and measures the angle of arrival, departure angle, and round-trip time, and reports the measurement results to the network device, which calculates the position of the terminal device.
该方法根据出发角、到达角、往返时间计算得到终端设备的位置，其得到的定位精度较低。This method calculates the position of the terminal device based on the departure angle, arrival angle, and round-trip time, but the positioning accuracy obtained is low.
发明内容Contents of the invention
本申请实施例提供了一种上行定位方法、装置、设备及存储介质，可以在蜂窝网络中采用相对载波相位的定位方法，提高定位精度。所述技术方案如下：Embodiments of the present application provide an uplink positioning method, device, equipment and storage medium, which can use a relative carrier phase positioning method in a cellular network to improve positioning accuracy. The technical solutions are as follows:
根据本申请的一个方面，提供了一种上行定位方法，所述方法由终端设备执行，所述方法包括：According to one aspect of the present application, an uplink positioning method is provided. The method is executed by a terminal device. The method includes:
接收网络设备发送的上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。Receive the configuration information of the uplink positioning signal sent by the network device. The uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
根据本申请的一个方面，提供了一种上行定位方法，所述方法由定位节点执行，所述方法包括：According to one aspect of the present application, an uplink positioning method is provided. The method is executed by a positioning node. The method includes:
接收终端设备发送的上行定位信号，所述上行定位信号用于获得相对载波相位。The uplink positioning signal sent by the terminal device is received, and the uplink positioning signal is used to obtain the relative carrier phase.
根据本申请的一个方面，提供了一种上行定位方法，所述方法由网络设备执行，所述方法包括：According to one aspect of the present application, an uplink positioning method is provided. The method is executed by a network device. The method includes:
向终端设备发送上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The configuration information of the uplink positioning signal is sent to the terminal device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
根据本申请的一个方面，提供了一种上行定位装置，所述装置包括：According to one aspect of the present application, an uplink positioning device is provided, and the device includes:
第一接收模块，用于接收网络设备发送的上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The first receiving module is configured to receive the configuration information of the uplink positioning signal sent by the network device. The uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
根据本申请的一个方面，提供了一种上行定位装置，所述装置包括：According to one aspect of the present application, an uplink positioning device is provided, and the device includes:
第二接收模块，用于接收终端设备发送的上行定位信号，所述上行定位信 号用于获得相对载波相位。The second receiving module is used to receive the uplink positioning signal sent by the terminal equipment, and the uplink positioning signal is used to obtain the relative carrier phase.
根据本申请的一个方面，提供了一种上行定位装置，所述装置包括：According to one aspect of the present application, an uplink positioning device is provided, and the device includes:
第三发送模块，用于向终端设备发送上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The third sending module is used to send the configuration information of the uplink positioning signal to the terminal device. The uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
根据本申请的一个方面，提供了一种终端设备，所述终端设备包括：收发器；其中，According to one aspect of the present application, a terminal device is provided, the terminal device includes: a transceiver; wherein,
所述收发器，用于接收网络设备发送的上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The transceiver is used to receive the configuration information of the uplink positioning signal sent by the network device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
根据本申请的一个方面，提供了一种网络设备，所述网络设备包括：收发器；其中，According to one aspect of the present application, a network device is provided, the network device includes: a transceiver; wherein,
所述收发器，用于接收终端设备发送的上行定位信号，所述上行定位信号用于获得相对载波相位。The transceiver is used to receive an uplink positioning signal sent by a terminal device, and the uplink positioning signal is used to obtain a relative carrier phase.
根据本申请的一个方面，提供了一种网络设备，所述网络设备包括：收发器；其中，According to one aspect of the present application, a network device is provided, the network device includes: a transceiver; wherein,
所述收发器，用于向终端设备发送上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The transceiver is used to send the configuration information of the uplink positioning signal to the terminal device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
根据本申请的一个方面，提供了一种计算机可读存储介质，所述可读存储介质中存储有可执行指令，所述可执行指令由处理器加载并执行以实现如上述方面所述的上行定位方法。According to one aspect of the present application, a computer-readable storage medium is provided. The readable storage medium stores executable instructions, and the executable instructions are loaded and executed by a processor to implement the uplink as described in the above aspect. Positioning method.
根据本申请实施例的一个方面，提供了一种芯片，所述芯片包括可编程逻辑电路和/或程序指令，当所述芯片在计算机设备上运行时，用于实现上述方面所述的上行定位方法。According to one aspect of an embodiment of the present application, a chip is provided. The chip includes programmable logic circuits and/or program instructions. When the chip is run on a computer device, it is used to implement the uplink positioning described in the above aspect. method.
根据本申请的一个方面，提供了一种计算机程序产品，该计算机程序产品在计算机设备的处理器上运行时，使得计算机设备执行上述方面所述的上行定位方法。According to one aspect of the present application, a computer program product is provided. When the computer program product is run on a processor of a computer device, it causes the computer device to perform the uplink positioning method described in the above aspect.
本申请实施例提供的技术方案至少包括如下有益效果：The technical solutions provided by the embodiments of this application at least include the following beneficial effects:
将相对载波相位的方法引入蜂窝网络，为终端设备配置用于相对载波相位定位的上行定位信号。终端设备基于该配置信息发送上行定位信号，定位节点接收上行定位信号并测量相对载波相位，基于相对载波相位求解终端设备的位置，可以提高定位精度，使定位精度达到厘米级。The relative carrier phase method is introduced into the cellular network, and the terminal device is configured with an uplink positioning signal for relative carrier phase positioning. The terminal device sends an uplink positioning signal based on the configuration information. The positioning node receives the uplink positioning signal and measures the relative carrier phase. Solving the position of the terminal device based on the relative carrier phase can improve the positioning accuracy to centimeter level.
附图说明Description of the drawings
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.
图1是本申请一个示例性实施例提供的***架构的示意图；Figure 1 is a schematic diagram of the system architecture provided by an exemplary embodiment of the present application;
图2是本申请一个示例性实施例提供的上行定位方法的流程图；Figure 2 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application;
图3是本申请一个示例性实施例提供的上行定位方法的流程图；Figure 3 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application;
图4是本申请一个示例性实施例提供的上行定位方法的流程图；Figure 4 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application;
图5是本申请一个示例性实施例提供的上行定位方法的流程图；Figure 5 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application;
图6是本申请一个示例性实施例提供的上行定位方法的流程图；Figure 6 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application;
图7是本申请一个示例性实施例提供的上行定位方法的流程图；Figure 7 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application;
图8是本申请一个示例性实施例提供的上行定位方法的流程图；Figure 8 is a flow chart of an uplink positioning method provided by an exemplary embodiment of the present application;
图9是本申请一个示例性实施例提供的上行定位装置的结构框图；Figure 9 is a structural block diagram of an uplink positioning device provided by an exemplary embodiment of the present application;
图10是本申请一个示例性实施例提供的上行定位装置的结构框图；Figure 10 is a structural block diagram of an uplink positioning device provided by an exemplary embodiment of the present application;
图11是本申请一个示例性实施例提供的上行定位装置的结构框图；Figure 11 is a structural block diagram of an uplink positioning device provided by an exemplary embodiment of the present application;
图12是本申请一个示例性实施例提供的通信设备的结构示意图。Figure 12 is a schematic structural diagram of a communication device provided by an exemplary embodiment of the present application.
具体实施方式Detailed ways
为使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请实施方式作进一步地详细描述。这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本申请相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本申请的一些方面相一致的装置和方法的例子。本申请实施例描述的通信***以及业务场景是为了更加清楚地说明本申请实施例的技术方案，并不构成对本申请实施例提供的技术方案的限定，本领域普通技术人员可知，随着通信***的演变和新业务场景的出现，本申请实施例提供的技术方案对于类似的技术问题，同样适用。在本申请使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本申请。在本申请和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。In order to make the purpose, technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings. Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the appended claims. The communication system and business scenarios described in the embodiments of this application are for the purpose of explaining the technical solutions of the embodiments of this application more clearly, and do not constitute a limitation on the technical solutions provided by the embodiments of this application. Persons of ordinary skill in the art will know that with the communication system evolution and the emergence of new business scenarios, the technical solutions provided in the embodiments of this application are also applicable to similar technical problems. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a," "the" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will also be understood that the term "and/or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.
应当理解，尽管在本申请可能采用术语第一、第二等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本申请范围的情况下，第一参数也可以被称为第二参数，类似地，第二参数也可以被称为第一参数。取决于语境，如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。It should be understood that although the terms first, second, etc. may be used in this application to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of the present application, the first parameter may also be called a second parameter, and similarly, the second parameter may also be called a first parameter. Depending on the context, the word "if" as used herein may be interpreted as "when" or "when" or "in response to determining."
需要说明的是，本申请所涉及的信息(包括但不限于用户设备信息、用户个人信息等)、数据(包括但不限于用于分析的数据、存储的数据、展示的数据等)以及信号，均为经用户授权或者经过各方充分授权的，且相关数据的收集、使用和处理需要遵守相关国家和地区的相关法律法规和标准。It should be noted that the information (including but not limited to user equipment information, user personal information, etc.), data (including but not limited to data used for analysis, stored data, displayed data, etc.) and signals involved in this application, All are authorized by the user or fully authorized by all parties, and the collection, use and processing of relevant data need to comply with relevant laws, regulations and standards of relevant countries and regions.
请参考图1，其示出了本申请一个实施例提供的通信***100的示意图。该通信***100可以包括：终端设备10和网络设备，其中，网络设备可以包括接入网设备20和核心网设备30中的至少一个。Please refer to FIG. 1 , which shows a schematic diagram of a communication system 100 provided by an embodiment of the present application. The communication system 100 may include: a terminal device 10 and a network device, where the network device may include at least one of an access network device 20 and a core network device 30.
终端设备10可以指用户设备(User Equipment，UE)、接入终端、用户单元、 用户站、移动站、移动台(Mobile Station，MS)、远方站、远程终端、移动设备、无线通信设备、用户代理或用户装置。可选地，终端设备10还可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digita1Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，第五代移动通信***(5th Generation System，5GS)中的终端设备或者未来演进的公用陆地移动通信网络(Pub1ic Land Mobi1e Network，PLMN)中的终端设备等，本申请实施例对此并不限定。为方便描述，上面提到的设备统称为终端设备。终端设备10的数量通常为多个，每一个接入网设备20所管理的小区内可以分布一个或多个终端设备10。The terminal equipment 10 may refer to user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station (Mobile Station, MS), remote station, remote terminal, mobile device, wireless communication device, user Agent or user device. Optionally, the terminal device 10 may also be a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a Wireless Local Loop (WLL) station, or a Personal Digital Assistant (Personal Digital Assistant, PDA). , handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in the fifth generation mobile communication system (5th Generation System, 5GS) or public utility devices that will evolve in the future The embodiments of the present application are not limited to terminal equipment in a land mobile communication network (Public Land Mobile Network, PLMN), etc. For convenience of description, the devices mentioned above are collectively referred to as terminal devices. The number of terminal devices 10 is usually multiple, and one or more terminal devices 10 may be distributed in the cell managed by each access network device 20 .
接入网设备20是一种部署在接入网中用以为终端设备10提供无线通信功能的设备。接入网设备20可以包括各种形式的宏基站，微基站，中继站，接入点等等。在采用不同的无线接入技术的***中，具备接入网设备功能的设备的名称可能会有所不同，例如在5G NR***中，称为gNodeB或者gNB。随着通信技术的演进，“接入网设备”这一名称可能会变化。为方便描述，本申请实施例中，上述为终端设备10提供无线通信功能的装置统称为接入网设备。可选地，通过接入网设备20，终端设备10和核心网设备30之间可以建立通信关系。示例性地，在长期演进(Long Term Evolution，LTE)***中，接入网设备20可以是演进的通用陆地无线网(Evolved Universal Terrestrial Radio Access Network，EUTRAN)或者EUTRAN中的一个或者多个eNodeB；在5G NR***中，接入网设备20可以是无线接入网(Radio Access Network，RAN)或者RAN中的一个或者多个gNB。The access network device 20 is a device deployed in the access network to provide wireless communication functions for the terminal device 10 . The access network device 20 may include various forms of macro base stations, micro base stations, relay stations, access points, etc. In systems using different wireless access technologies, the names of devices with access network device functions may be different. For example, in 5G NR systems, they are called gNodeB or gNB. As communication technology evolves, the name "access network equipment" may change. For convenience of description, in the embodiment of the present application, the above-mentioned devices that provide wireless communication functions for the terminal device 10 are collectively referred to as access network devices. Optionally, through the access network device 20, a communication relationship can be established between the terminal device 10 and the core network device 30. For example, in a Long Term Evolution (LTE) system, the access network device 20 may be an Evolved Universal Terrestrial Radio Access Network (EUTRAN) or one or more eNodeBs in EUTRAN; In the 5G NR system, the access network device 20 may be a radio access network (Radio Access Network, RAN) or one or more gNBs in the RAN.
示例性的，每个接入网设备20包括一个或多个传输参考点(Transmission Reference Point，TRP)，每个TRP可以称为一个定位节点，定位节点接收终端设备发送的上行定位信号，并对上行定位信号进行测量和上报。Exemplarily, each access network device 20 includes one or more Transmission Reference Points (TRPs). Each TRP can be called a positioning node. The positioning node receives the uplink positioning signal sent by the terminal device, and performs Measure and report uplink positioning signals.
核心网设备30是部署在核心网中的设备，核心网设备30的功能主要是提供用户连接、对用户的管理以及对业务完成承载，作为承载网络提供到外部网络的接口。例如，5G NR***中的核心网设备可以包括接入和移动性管理功能(Access and Mobility Management Function，AMF)网元、用户平面功能(User Plane Function，UPF)网元和会话管理功能(Session Management Function，SMF)网元等。示例性的，本申请实施例中的核心网设备30可以包括位置管理功能网元。可选地，位置管理功能网元包括位置服务器(location server)，位置服务器可以实现为以下任意一项：LMF(Location Management Function，位置管理网元)、E-SMLC(Enhanced Serving Mobile Location Centre，增强服务的流动定位中心)、SUPL(Secure User Plane Location，安全用户平面定位)、SUPL SLP(SUPL Location Platform，安全用户平面定位定位平台)。The core network device 30 is a device deployed in the core network. The core network device 30 mainly functions to provide user connections, manage users, and carry services, and serves as an interface for the bearer network to provide to external networks. For example, the core network equipment in the 5G NR system can include Access and Mobility Management Function (AMF) network elements, User Plane Function (UPF) network elements and Session Management Function (Session Management Function, SMF) network element, etc. For example, the core network device 30 in the embodiment of the present application may include a location management function network element. Optionally, the location management function network element includes a location server. The location server can be implemented as any of the following: LMF (Location Management Function, location management network element), E-SMLC (Enhanced Serving Mobile Location Center, enhanced Service mobile location center), SUPL (Secure User Plane Location, secure user plane location), SUPL SLP (SUPL Location Platform, secure user plane location platform).
在一个示例中，接入网设备20与核心网设备30之间通过某种空口技术互相通信，例如5G NR***中的NG接口。接入网设备20与终端设备10之间通过某种空口技术互相通信，例如Uu接口。In one example, the access network device 20 and the core network device 30 communicate with each other through some air interface technology, such as the NG interface in the 5G NR system. The access network device 20 and the terminal device 10 communicate with each other through some air interface technology, such as the Uu interface.
本申请实施例中的“5G NR***”也可以称为5G***或者NR***，但本领域技术人员可以理解其含义。本申请实施例描述的技术方案可以适用于5G NR***，也可以适用于5G NR***后续的演进***。The "5G NR system" in the embodiments of this application may also be called a 5G system or an NR system, but those skilled in the art can understand its meaning. The technical solution described in the embodiments of this application can be applied to the 5G NR system, and can also be applied to the subsequent evolution system of the 5G NR system.
本申请实施例的技术方案可以应用于各种通信***，例如：全球移动通讯(Global System of Mobile Communication，GSM)***、码分多址(Code Division Multiple Access，CDMA)***、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)***、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)***、LTE频分双工(Frequency Division Duplex，FDD)***、LTE时分双工(Time Division Duplex，TDD)***、先进的长期演进(Advanced Long Term Evolution，LTE-A)***、新无线(New Radio，NR)***、NR***的演进***、非授权频段上的LTE(LTE-based access to Unlicensed spectrum，LTE-U)***、NR-U***、通用移动通信***(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信***、无线局域网(Wireless Local Area Networks，WLAN)、无线保真(Wireless Fidelity，WiFi)、下一代通信***或其他通信***等。The technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Global System of Mobile Communication (GSM) system, Code Division Multiple Access (Code Division Multiple Access, CDMA) system, broadband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD) system, Advanced Long Term Evolution (LTE-A) system, New Radio (NR) system, evolution system of NR system, LTE on unlicensed frequency band (LTE-based access to Unlicensed spectrum, LTE-U) system, NR-U system, Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, Wireless Local Area Networks (WLAN), Wireless Fidelity (WiFi), next-generation communication systems or other communication systems, etc.
请参考图2，其示出了本申请一个实施例提供的上行定位方法的流程图，该方法可以应用于终端设备，该终端设备可以是图1所示的通信***中的终端设备。该方法包括如下步骤。Please refer to Figure 2, which shows a flow chart of an uplink positioning method provided by an embodiment of the present application. This method can be applied to a terminal device, and the terminal device can be a terminal device in the communication system shown in Figure 1. The method includes the following steps.
步骤210：接收网络设备发送的上行定位信号的配置信息，上行定位信号用于使定位节点获得相对载波相位。Step 210: Receive the configuration information of the uplink positioning signal sent by the network device. The uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
上行定位信号包括SRS(Sounding Reference Signal，探测参考信号)，或新的用于定位的参考信号。Uplink positioning signals include SRS (Sounding Reference Signal, detection reference signal), or new reference signals used for positioning.
示例性的，上行定位信号的数量为至少一个。示例性的，网络设备可以在一个或多个载频上配置多个上行定位信号。For example, the number of uplink positioning signals is at least one. For example, the network device may configure multiple uplink positioning signals on one or more carrier frequencies.
网络设备可以为接入网设备也可以为核心网设备。当网络设备为核心网设备时，核心网设备可以包括位置管理功能网元。位置管理功能网元包括位置服务器，位置服务器可以实现为以下任意一项：LMF、E-SMLC、SUPL、SUPL SLP。Network equipment can be access network equipment or core network equipment. When the network device is a core network device, the core network device may include a location management function network element. The location management function network element includes a location server. The location server can be implemented as any of the following: LMF, E-SMLC, SUPL, SUPL SLP.
终端设备基于上行定位信号的配置信息向定位节点发送上行定位信号，或，终端设备基于上行定位信号的配置信息广播上行定位信号。至少一个定位节点接收上行定位信号并测量得到相对载波相位，将相对载波相位作为测量结果上报网络设备，网络设备基于相对载波相位计算终端设备的位置。The terminal device sends the uplink positioning signal to the positioning node based on the configuration information of the uplink positioning signal, or the terminal device broadcasts the uplink positioning signal based on the configuration information of the uplink positioning signal. At least one positioning node receives the uplink positioning signal and measures the relative carrier phase, and reports the relative carrier phase as the measurement result to the network device. The network device calculates the position of the terminal device based on the relative carrier phase.
定位节点为TRP，即，一种接入网设备。示例性的，一个接入网设备包括一个或多个TRP。定位节点的数量为至少一个。该至少一个定位节点可以包括终端设备的服务小区的TRP和/或终端设备的邻小区的TRP。示例性的，定位节点可以是网络设备的TRP。The positioning node is a TRP, that is, an access network device. For example, an access network device includes one or more TRPs. The number of positioning nodes is at least one. The at least one positioning node may include a TRP of a serving cell of the terminal device and/or a TRP of a neighboring cell of the terminal device. For example, the positioning node may be the TRP of the network device.
相对载波相位也可以称为载波相位差，或上行相对载波相位，或上行载波相位差。相对载波相位的定义为：定位节点j接收到的上行定位信号相位与参考 相位差值。其中参考相位值，需要核心网配置。其中，参考相位还可以包括参考时间对应的相位值。Relative carrier phase can also be called carrier phase difference, or uplink relative carrier phase, or uplink carrier phase difference. The relative carrier phase is defined as: the difference between the uplink positioning signal phase received by positioning node j and the reference phase. The reference phase value requires core network configuration. The reference phase may also include a phase value corresponding to the reference time.
相对载波相位为定位节点接收到的上行定位信号的相位与参考相位的相位差值。其中，参考相位由网络设备配置。例如，参考相位为固定的相位值。The relative carrier phase is the phase difference between the phase of the uplink positioning signal received by the positioning node and the reference phase. Among them, the reference phase is configured by the network device. For example, the reference phase is a fixed phase value.
再如，网络设备配置参考时间，参考相位包括在参考时间处上行定位信号对应的载波相位。即，相对载波相位包括终端设备在第一时间测得的上行定位信号的第一载波相位，与在参考时间处上行定位信号对应的第二载波相位的差值。其中，第一时间等于、早于或晚于参考时间。For another example, the network device configures a reference time, and the reference phase includes the carrier phase corresponding to the uplink positioning signal at the reference time. That is, the relative carrier phase includes the difference between the first carrier phase of the uplink positioning signal measured by the terminal equipment at the first time and the second carrier phase corresponding to the uplink positioning signal at the reference time. Among them, the first time is equal to, earlier than or later than the reference time.
示例性的，上行定位信号的相位包括第一整周数和/或不足整周的第一小数部分，参考相位包括第二整周数和/或不足整周的第二小数部分；上行定位信号的相位与参考相位作差，得到的相对载波相位包括第三整周数和/或不足整周数的第三小数部分。Exemplarily, the phase of the uplink positioning signal includes a first integer number and/or a first fractional part that is less than an integer, and the reference phase includes a second integer number and/or a second fractional part that is less than an integer; the uplink positioning signal The phase of the phase difference is compared with the reference phase, and the relative carrier phase obtained includes the third integer number and/or the third fractional part that is less than the integer number.
示例性的，上行定位信号的相位测量值包括不足整周的第一小数部分，且测量值对应的时间为第一时间，而参考相位包含的参考时间为第二时间，那么根据第一时间与第二时间之间的时间间隔能获得在该时间间隔后上行定位信号的载波相位包含第二整周数和/或不足整周数的第二小数部分，而第二整周数和/或第二小数部分与第一小数部分作差得到的相对载波相位包括第三整周数和/或不足整周数的第三小数部分。这里的第一时间可以早于第二时间、等于第二时间或晚于第二时间，这里不作限制。而这里的时间间隔是两者之间的差值，都是非负值。For example, the phase measurement value of the uplink positioning signal includes the first fractional part that is less than a full cycle, and the time corresponding to the measurement value is the first time, and the reference time included in the reference phase is the second time, then according to the first time and The time interval between the second times can be obtained. After the time interval, the carrier phase of the uplink positioning signal includes the second integer number and/or the second fractional part less than the integer number, and the second integer number and/or the second fractional part of the integer number. The relative carrier phase obtained by the difference between the second decimal part and the first decimal part includes a third integer number and/or a third decimal part that is less than an integer number. The first time here can be earlier than the second time, equal to the second time, or later than the second time, and there is no restriction here. The time interval here is the difference between the two, both are non-negative values.
示例性的，终端设备与网络设备建立无线资源控制(Radio Resource Control，RRC)连接，网络设备使用LTE定位协议(LTE Positioning Protocol，LPP)向终端设备发送上行定位信号的配置信息。Exemplarily, the terminal device establishes a Radio Resource Control (RRC) connection with the network device, and the network device uses the LTE Positioning Protocol (LTE Positioning Protocol, LPP) to send the configuration information of the uplink positioning signal to the terminal device.
综上所述，本实施例提供的方法，将相对载波相位的方法引入蜂窝网络，为终端设备配置用于相对载波相位定位的上行定位信号。终端设备基于该配置信息发送上行定位信号，定位节点接收上行定位信号并测量相对载波相位，基于相对载波相位求解终端设备的位置，可以提高定位精度，使定位精度达到厘米级。To sum up, the method provided by this embodiment introduces the relative carrier phase method into the cellular network, and configures the uplink positioning signal for relative carrier phase positioning for the terminal device. The terminal device sends an uplink positioning signal based on the configuration information. The positioning node receives the uplink positioning signal and measures the relative carrier phase. Solving the position of the terminal device based on the relative carrier phase can improve the positioning accuracy to centimeter level.
请参考图3，其示出了本申请一个实施例提供的上行定位方法的流程图，该方法可以应用于定位节点，该定位节点可以是图1所示的通信***中的TRP。该方法包括如下步骤。Please refer to Figure 3, which shows a flow chart of an uplink positioning method provided by an embodiment of the present application. This method can be applied to a positioning node, and the positioning node can be a TRP in the communication system shown in Figure 1. The method includes the following steps.
步骤310：接收终端设备发送的上行定位信号，上行定位信号用于获得相对载波相位。Step 310: Receive the uplink positioning signal sent by the terminal device. The uplink positioning signal is used to obtain the relative carrier phase.
终端设备基于上行定位信号的配置信息发送上行定位信号，定位节点接收终端设备发送的上行定位信号，并测量上行定位信号得到相对载波相位。The terminal device sends an uplink positioning signal based on the configuration information of the uplink positioning signal. The positioning node receives the uplink positioning signal sent by the terminal device and measures the uplink positioning signal to obtain the relative carrier phase.
定位节点测量得到上行定位信号的相位，将上行定位信号的相位与参考相位作差，得到相对载波相位。定位节点向网络设备上报定位报告，定位报告中包括相对载波相位，以使网络设备基于相对载波相位计算终端设备的位置。The positioning node measures the phase of the uplink positioning signal, and compares the phase of the uplink positioning signal with the reference phase to obtain the relative carrier phase. The positioning node reports a positioning report to the network device, and the positioning report includes the relative carrier phase, so that the network device calculates the position of the terminal device based on the relative carrier phase.
综上所述，本实施例提供的方法，将相对载波相位的方法引入蜂窝网络，为终端设备配置用于相对载波相位定位的上行定位信号。终端设备基于该配置信息发送上行定位信号，定位节点接收上行定位信号并测量相对载波相位，基于相对载波相位求解终端设备的位置，可以提高定位精度，使定位精度达到厘米级。To sum up, the method provided by this embodiment introduces the relative carrier phase method into the cellular network, and configures the uplink positioning signal for relative carrier phase positioning for the terminal device. The terminal device sends an uplink positioning signal based on the configuration information. The positioning node receives the uplink positioning signal and measures the relative carrier phase. Solving the position of the terminal device based on the relative carrier phase can improve the positioning accuracy to centimeter level.
请参考图4，其示出了本申请一个实施例提供的上行定位方法的流程图，该方法可以应用于网络设备，该网络设备可以是图1所示的通信***中的接入网设备或核心网设备。该方法包括如下步骤。Please refer to Figure 4, which shows a flow chart of an uplink positioning method provided by an embodiment of the present application. This method can be applied to network equipment. The network equipment can be the access network equipment in the communication system shown in Figure 1 or Core network equipment. The method includes the following steps.
步骤410：向终端设备发送上行定位信号的配置信息，上行定位信号用于使定位节点获得相对载波相位。Step 410: Send the configuration information of the uplink positioning signal to the terminal device. The uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
上行定位信号的配置信息包括以下至少一项：周期、时隙偏移(slotoffset)、占用的符号数、comb-size(梳状结构/梳齿尺寸)、起始符号位置、子载波间隔(Sub-Carrier Space，SCS)、准共址(Quasi-Colocation，QCL)信息、载频、带宽、起始物理资源块PRB(Physical Resource Block，PRB)位置、功率控制参数P0和alpha和路径损耗参考(pathlossReferenceRS)。The configuration information of the uplink positioning signal includes at least one of the following: period, slot offset (slotoffset), number of occupied symbols, comb-size (comb structure/comb tooth size), starting symbol position, sub-carrier spacing (Sub -Carrier Space (SCS), quasi-colocation (QCL) information, carrier frequency, bandwidth, starting physical resource block PRB (Physical Resource Block, PRB) location, power control parameters P0 and alpha and path loss reference ( pathlossReferenceRS).
其中，准共址信息用于指示不同TRP/定位节点的参考信号。Among them, the quasi-co-location information is used to indicate the reference signals of different TRP/positioning nodes.
示例性的，上行定位信号为周期性发送的，或，上行定位信号为非周期性发送的，或，上行定位信号为半静态(Semi-persistent)发送的。For example, the uplink positioning signal is sent periodically, or the uplink positioning signal is sent aperiodicly, or the uplink positioning signal is sent semi-persistent.
综上所述，本实施例提供的方法，将相对载波相位的方法引入蜂窝网络，为终端设备配置用于相对载波相位定位的上行定位信号。终端设备基于该配置信息发送上行定位信号，定位节点接收上行定位信号并测量相对载波相位，基于相对载波相位求解终端设备的位置，可以提高定位精度，使定位精度达到厘米级。To sum up, the method provided by this embodiment introduces the relative carrier phase method into the cellular network, and configures the uplink positioning signal for relative carrier phase positioning for the terminal device. The terminal device sends an uplink positioning signal based on the configuration information. The positioning node receives the uplink positioning signal and measures the relative carrier phase. Solving the position of the terminal device based on the relative carrier phase can improve the positioning accuracy to centimeter level.
示例性的，给出一种定位节点测量相对载波相位的示例性实施例。Illustratively, an exemplary embodiment of measuring relative carrier phase by a positioning node is given.
请参考图5，其示出了本申请一个实施例提供的上行定位方法的流程图，该方法可以应用于图1所示的通信***中的终端设备、定位节点和网络设备，该网络设备可以是接入网设备或核心网设备。该方法包括如下步骤。Please refer to Figure 5, which shows a flow chart of an uplink positioning method provided by an embodiment of the present application. This method can be applied to terminal equipment, positioning nodes and network equipment in the communication system shown in Figure 1. The network equipment can It is access network equipment or core network equipment. The method includes the following steps.
步骤501：终端设备接收网络设备发送的上行定位信号的配置信息。Step 501: The terminal device receives the configuration information of the uplink positioning signal sent by the network device.
网络设备向终端设备发送LPP消息，LPP消息包括上行定位信号的配置信息。终端设备接收网络设备发送的LPP消息，读取LPP消息中的上行定位信号的配置信息。The network device sends an LPP message to the terminal device, and the LPP message includes the configuration information of the uplink positioning signal. The terminal device receives the LPP message sent by the network device and reads the configuration information of the uplink positioning signal in the LPP message.
步骤502：终端设备向定位节点发送上行定位信号。Step 502: The terminal device sends an uplink positioning signal to the positioning node.
终端设备基于上行定位信号的配置信息向定位节点发送上行定位信号。或，终端设备基于上行定位信号的配置信息广播上行定位信号。至少一个定位节点接收终端设备发送的上行定位信号，测量上行定位信号得到相对载波相位。The terminal device sends the uplink positioning signal to the positioning node based on the configuration information of the uplink positioning signal. Or, the terminal device broadcasts the uplink positioning signal based on the configuration information of the uplink positioning signal. At least one positioning node receives the uplink positioning signal sent by the terminal device, and measures the uplink positioning signal to obtain the relative carrier phase.
定位节点接收并测量终端设备发送的至少一个上行定位信号。针对同一个上行定位信号，定位节点可以在不同时间测得多个相对载波相位。相对载波相 位对应有相应的时间戳和/或对应的上行定位信号标识。定位节点也可以在一个时间测量终端设备发送的多个上行定位信号，得到多个相对载波相位。The positioning node receives and measures at least one uplink positioning signal sent by the terminal device. For the same uplink positioning signal, the positioning node can measure multiple relative carrier phases at different times. The relative carrier phase corresponds to the corresponding timestamp and/or the corresponding uplink positioning signal identifier. The positioning node can also measure multiple uplink positioning signals sent by the terminal device at one time to obtain multiple relative carrier phases.
相对载波相位为定位节点的测量结果。相对载波相位为定位节点接收到的上行定位信号的相位与参考相位的相位之差。The relative carrier phase is the measurement result of the positioning node. The relative carrier phase is the difference between the phase of the uplink positioning signal received by the positioning node and the reference phase.
针对不同的定位节点，网络设备可以配置相同或不同的参考相位，或，网络设备可以配置相同或不同的参考时间，以使不同的定位节点根据各自的参考时间测得参考相位。For different positioning nodes, the network device can be configured with the same or different reference phases, or the network device can be configured with the same or different reference times, so that different positioning nodes can measure the reference phases according to their respective reference times.
示例性的，上行定位信号的配置信息还可以包括定位节点指示信息，定位节点指示信息用于指示各个上行定位信号所对应的定位节点，以使终端设备基于定位节点指示信息向该定位节点发送上行定位信号。Exemplarily, the configuration information of the uplink positioning signal may also include positioning node indication information. The positioning node indication information is used to indicate the positioning node corresponding to each uplink positioning signal, so that the terminal device sends uplink information to the positioning node based on the positioning node indication information. Positioning signal.
例如，如图6所示，终端设备基于上行定位信号的配置信息向定位节点1发送上行定位信号1，向定位节点2发送上行定位信号2。定位节点1接收上行定位信号1并测量获得相对载波相位1。定位节点2接收上行定位信号2并测量获得相对载波相位2。For example, as shown in FIG. 6 , the terminal device sends the uplink positioning signal 1 to the positioning node 1 and sends the uplink positioning signal 2 to the positioning node 2 based on the configuration information of the uplink positioning signal. Positioning node 1 receives the uplink positioning signal 1 and measures the relative carrier phase 1. The positioning node 2 receives the uplink positioning signal 2 and measures the relative carrier phase 2.
步骤504：定位节点获得相对载波相位。Step 504: The positioning node obtains the relative carrier phase.
定位节点接收终端设备发送的上行定位信号，对上行定位信号进行测量，得到上行定位信号的相位，将上行定位信号的相位与参考相位作差得到相对载波相位。The positioning node receives the uplink positioning signal sent by the terminal device, measures the uplink positioning signal to obtain the phase of the uplink positioning signal, and obtains the relative carrier phase by difference between the phase of the uplink positioning signal and the reference phase.
示例性的，网络设备向定位节点发送参考相位的配置信息，定位节点读取参考相位的配置信息，确定参考相位。示例性的，参考相位对应有参考时间(参考时间戳)。For example, the network device sends the configuration information of the reference phase to the positioning node, and the positioning node reads the configuration information of the reference phase and determines the reference phase. For example, the reference phase corresponds to a reference time (reference timestamp).
相对载波相位为定位节点的测量结果。相对载波相位为上行定位信号的第一载波相位与参考相位之差。其中，第一载波相位为定位设备在第一时间测得的上行定位信号的相位。参考相位为网络设备的固定值。或，网络设备配置参考时间，参考相位为参考时间处上行定位信号对应的相位。该相对载波相位与第一载波相位的时间戳(第一时间)、参考相位的时间戳(参考时间)对应。The relative carrier phase is the measurement result of the positioning node. The relative carrier phase is the difference between the first carrier phase of the uplink positioning signal and the reference phase. The first carrier phase is the phase of the uplink positioning signal measured by the positioning device at the first time. The reference phase is a fixed value of the network device. Or, the network device configures a reference time, and the reference phase is the phase corresponding to the uplink positioning signal at the reference time. The relative carrier phase corresponds to the timestamp of the first carrier phase (first time) and the timestamp of the reference phase (reference time).
示例性的，针对同一周期内发送的多个不同定位信号ID的上行定位信号的多个第一载波相位，每个第一载波相位与参考相位作差，得到多个上行定位信号分别对应的多个相对载波相位。则相对载波相位与上行定位信号的标识对应。多个相对载波相位对应不同的上行定位信号的标识，可以对应相同的时间戳。For example, for multiple first carrier phases of uplink positioning signals with different positioning signal IDs sent in the same period, each first carrier phase is different from the reference phase to obtain multiple corresponding uplink positioning signals respectively. relative carrier phase. Then the relative carrier phase corresponds to the identifier of the uplink positioning signal. Multiple relative carrier phases correspond to different identities of uplink positioning signals and may correspond to the same timestamp.
综上，相对载波相位与以下至少一项一一对应：第一载波相位的时间戳、参考时间的时间戳、上行定位信号的标识和参考相位的标识。In summary, the relative carrier phase has a one-to-one correspondence with at least one of the following: the timestamp of the first carrier phase, the timestamp of the reference time, the identifier of the uplink positioning signal, and the identifier of the reference phase.
示例性的，定位节点可以向网络设备上报测得的相对载波相位，或，定位节点可以基于相对载波相位计算终端设备的位置，向网络设备上报终端设备的位置。For example, the positioning node may report the measured relative carrier phase to the network device, or the positioning node may calculate the position of the terminal device based on the relative carrier phase and report the position of the terminal device to the network device.
综上所述，本实施例提供的方法，将相对载波相位的方法引入蜂窝网络，为终端设备配置用于相对载波相位定位的上行定位信号。终端设备基于该配置信息发送上行定位信号，定位节点接收上行定位信号并测量上行定位信号的相位，将上行定位信号的相位与参考相位作差得到相对载波相位，基于相对载波 相位求解终端设备的位置，可以精准定位终端设备，使定位精度达到厘米级。To sum up, the method provided by this embodiment introduces the relative carrier phase method into the cellular network, and configures the uplink positioning signal for relative carrier phase positioning for the terminal device. The terminal device sends an uplink positioning signal based on the configuration information. The positioning node receives the uplink positioning signal and measures the phase of the uplink positioning signal. The phase of the uplink positioning signal is compared with the reference phase to obtain the relative carrier phase. The position of the terminal device is calculated based on the relative carrier phase. , which can accurately locate terminal equipment, making the positioning accuracy reach centimeter level.
示例性的，定位节点可以向网络设备上传定位报告。For example, the positioning node can upload a positioning report to the network device.
请参考图7，其示出了本申请一个实施例提供的上行定位方法的流程图，该方法可以应用于图1所示的通信***中的终端设备、定位节点和网络设备，该网络设备可以是接入网设备或核心网设备。基于图5所示的示例性实施例，该方法还包括步骤505。Please refer to Figure 7, which shows a flow chart of an uplink positioning method provided by an embodiment of the present application. This method can be applied to terminal equipment, positioning nodes and network equipment in the communication system shown in Figure 1. The network equipment can It is access network equipment or core network equipment. Based on the exemplary embodiment shown in FIG. 5 , the method further includes step 505 .
步骤501：终端设备接收网络设备发送的上行定位信号的配置信息。Step 501: The terminal device receives the configuration information of the uplink positioning signal sent by the network device.
步骤502：终端设备向定位节点发送上行定位信号。Step 502: The terminal device sends an uplink positioning signal to the positioning node.
例如，定位节点在时刻1接收上行定位信号，并测得载波相位1。For example, the positioning node receives the uplink positioning signal at time 1 and measures the carrier phase 1.
步骤504：定位节点获得相对载波相位。Step 504: The positioning node obtains the relative carrier phase.
例如，参考时间为时刻2，定位节点获得时刻2时上行定位信号的载波相位2，载波相位2即为参考相位。定位节点计算载波相位1和载波相位2之差，得到相对载波相位。For example, the reference time is time 2, and the positioning node obtains the carrier phase 2 of the uplink positioning signal at time 2, and the carrier phase 2 is the reference phase. The positioning node calculates the difference between carrier phase 1 and carrier phase 2 to obtain the relative carrier phase.
再如，参考相位为网络设备配置的载波相位3。定位节点计算载波相位1和载波相位3之差，得到相对载波相位。For another example, the reference phase is carrier phase 3 configured by the network device. The positioning node calculates the difference between carrier phase 1 and carrier phase 3 to obtain the relative carrier phase.
步骤505：定位节点向网络设备发送定位报告，定位报告包括相对载波相位。Step 505: The positioning node sends a positioning report to the network device, where the positioning report includes the relative carrier phase.
网络设备接收至少一个定位节点发送的至少一个定位报告，定位报告中的参数与该定位节点对应。网络设备基于至少一个定位节点上报的定位报告计算终端设备的位置。The network device receives at least one positioning report sent by at least one positioning node, and the parameters in the positioning report correspond to the positioning node. The network device calculates the location of the terminal device based on the positioning report reported by at least one positioning node.
定位报告包括以下至少一项：相对载波相位的相位整周数、相对载波相位不足整周的小数部分、相对载波相位对应的相位误差组信息、相对载波相位对应的定位节点(定位节点标识)、相对载波相位对应的定位信号标识、相对载波相位对应的定位信号集合标识、相对载波相位对应的直射径指示信息和相对载波相位对应的时间戳。The positioning report includes at least one of the following: the integer number of phases of the relative carrier phase, the fractional part of the relative carrier phase that is less than an integer, the phase error group information corresponding to the relative carrier phase, the positioning node (positioning node identification) corresponding to the relative carrier phase, The positioning signal identifier corresponding to the relative carrier phase, the positioning signal set identifier corresponding to the relative carrier phase, the direct path indication information corresponding to the relative carrier phase, and the timestamp corresponding to the relative carrier phase.
相位误差组信息包括相位误差组ID或误差值。The phase error group information includes phase error group ID or error value.
一个相对载波相位对应至少一个时间戳(包括上行定位信号的相位对应的时间戳、参考相位对应的参考时间戳的至少一项)，多个相对载波相位可以对应同一第一定位信号的标识以及不同时间戳，多个相对载波相位可以对应不同第一定位信号的标识以及不同时间戳、多个相对载波相位可以对应不同第一定位信号的标识以及同一时间戳。One relative carrier phase corresponds to at least one timestamp (including at least one of the timestamp corresponding to the phase of the uplink positioning signal and the reference timestamp corresponding to the reference phase). Multiple relative carrier phases may correspond to the same identity of the first positioning signal and different As for the timestamp, multiple relative carrier phases may correspond to the identifiers of different first positioning signals and different timestamps, and multiple relative carrier phases may correspond to the identifiers of different first positioning signals and the same timestamp.
直射径指示信息用于指示路径测量结果是否为直射径，或指示为直射径的概率。The direct path indication information is used to indicate whether the path measurement result is a direct path, or to indicate the probability that it is a direct path.
定位报告还包括以下至少一项：RSRP(Reference Signal Receiving Power，参考信号接收功率)、到达角(Angle of Arrival，AoA)、出发角(Angle of Departure，AoD)、到达时间(Time of Arrival，ToA)、到达时间差值(Time Difference of Arrival，TDoA)、往返时间值(Round Trip Time，RTT)和时间误差组。其中，时间误差组包括REG(Rx Time Error Group，接收时间误差组)或TREG(Tx Rx Time Error Group，发送接收时间误差组)。The positioning report also includes at least one of the following: RSRP (Reference Signal Receiving Power, reference signal receiving power), angle of arrival (Angle of Arrival, AoA), angle of departure (Angle of Departure, AoD), time of arrival (Time of Arrival, ToA ), Time Difference of Arrival (TDoA), Round Trip Time (RTT) and time error group. Among them, the time error group includes REG (Rx Time Error Group, receiving time error group) or TREG (Tx Rx Time Error Group, transmitting and receiving time error group).
示例性的，定位报告中的参数可以基于路径(path)的测量结果，即，不同路径分别对应一组上述定位报告中的参数。或，定位报告可以不考虑不同路径，即，不同路径对应同一组上述定位报告中的参数。For example, the parameters in the positioning report may be based on the measurement results of paths, that is, different paths correspond to a set of parameters in the positioning report. Or, the positioning report may not consider different paths, that is, different paths correspond to the same set of parameters in the positioning report.
示例性的，定位节点可以在一个测量周期结束时，向网络设备上报本次测量的定位报告，该定位报告中包括在一个测量周期内测得的至少一个相对载波相位。定位节点也可以在获得一个相对载波相位后，向网络设备上报定位报告，该定位报告包括该相对载波相位及其相关信息。For example, the positioning node may report a positioning report of this measurement to the network device at the end of a measurement period, where the positioning report includes at least one relative carrier phase measured within a measurement period. The positioning node may also report a positioning report to the network device after obtaining a relative carrier phase, where the positioning report includes the relative carrier phase and related information.
综上所述，本实施例提供的方法，将相对载波相位的方法引入蜂窝网络，为终端设备配置用于相对载波相位定位的上行定位信号。终端设备基于该配置信息发送上行定位信号，定位节点接收上行定位信号并测量上行定位信号的相位，将上行定位信号的相位与参考相位作差得到相对载波相位。定位节点向网络设备上报定位报告，定位报告包括相对载波相位，网络设备基于相对载波相位求解终端设备的位置，可以精准定位终端设备，使定位精度达到厘米级。To sum up, the method provided by this embodiment introduces the relative carrier phase method into the cellular network, and configures the uplink positioning signal for relative carrier phase positioning for the terminal device. The terminal device sends an uplink positioning signal based on the configuration information. The positioning node receives the uplink positioning signal and measures the phase of the uplink positioning signal. The phase of the uplink positioning signal is compared with the reference phase to obtain the relative carrier phase. The positioning node reports a positioning report to the network device. The positioning report includes the relative carrier phase. The network device determines the position of the terminal device based on the relative carrier phase, and can accurately locate the terminal device, making the positioning accuracy reach centimeter level.
示例性的，终端设备还可以向网络设备上报辅助信息，辅助信息用于辅助网络设备计算终端设备的位置。For example, the terminal device can also report auxiliary information to the network device, and the auxiliary information is used to assist the network device in calculating the location of the terminal device.
请参考图8，其示出了本申请一个实施例提供的上行定位方法的流程图，该方法可以应用于图1所示的通信***中的终端设备、定位节点和网络设备，该网络设备可以是接入网设备或核心网设备。基于图7所示的示例性实施例，该方法还包括步骤503。Please refer to Figure 8, which shows a flow chart of an uplink positioning method provided by an embodiment of the present application. This method can be applied to terminal equipment, positioning nodes and network equipment in the communication system shown in Figure 1. The network equipment can It is access network equipment or core network equipment. Based on the exemplary embodiment shown in FIG. 7 , the method further includes step 503 .
步骤501：终端设备接收网络设备发送的上行定位信号的配置信息。Step 501: The terminal device receives the configuration information of the uplink positioning signal sent by the network device.
步骤502：终端设备向定位节点发送上行定位信号。Step 502: The terminal device sends an uplink positioning signal to the positioning node.
步骤503：终端设备向网络设备发送辅助信息。Step 503: The terminal device sends auxiliary information to the network device.
终端设备向网络设备发送辅助信息，辅助信息包括上行定位信号对应的相位误差组信息和/或定时误差组信息。The terminal device sends auxiliary information to the network device, where the auxiliary information includes phase error group information and/or timing error group information corresponding to the uplink positioning signal.
辅助信息包括各个载频上每个上行定位信号对应的相位误差组信息和/或定时误差组信息，相位误差组信息和/或定时误差组信息包括相位误差组ID和/或定时误差组ID，或，相位误差组信息和/或定时误差组信息包括相位误差值和/或定时误差值。The auxiliary information includes phase error group information and/or timing error group information corresponding to each uplink positioning signal on each carrier frequency, and the phase error group information and/or timing error group information includes phase error group ID and/or timing error group ID, Or, the phase error group information and/or the timing error group information include phase error values and/or timing error values.
辅助信息用于辅助网络设备计算终端设备的位置。网络设备接收辅助信息，网络设备接收定位节点发送的定位报告，基于定位报告计算终端设备的位置，然后，基于辅助信息修正终端设备的位置。The auxiliary information is used to assist the network device in calculating the location of the terminal device. The network device receives the auxiliary information, the network device receives the positioning report sent by the positioning node, calculates the position of the terminal device based on the positioning report, and then corrects the position of the terminal device based on the auxiliary information.
示例性的，步骤502和步骤503的执行顺序不分先后，即，两个步骤可以同时执行也可以按任意顺序先后执行。For example, steps 502 and 503 are executed in no particular order, that is, the two steps can be executed at the same time or in any order.
步骤504：定位节点获得相对载波相位。Step 504: The positioning node obtains the relative carrier phase.
步骤505：定位节点向网络设备发送定位报告，定位报告包括相对载波相位。Step 505: The positioning node sends a positioning report to the network device, where the positioning report includes the relative carrier phase.
网络设备接收至少一个定位节点发送的至少一个定位报告，定位报告中的参数与该定位节点对应。网络设备基于辅助信息以及至少一个定位节点上报的定位报告计算终端设备的位置。The network device receives at least one positioning report sent by at least one positioning node, and the parameters in the positioning report correspond to the positioning node. The network device calculates the location of the terminal device based on the auxiliary information and the positioning report reported by at least one positioning node.
示例性的，网络设备可以基于辅助信息修正定位报告中的数据。网络设备基于辅助信息修正定位报告得到修正后的定位报告，网络设备基于修正后的定位报告计算得到终端设备的位置。例如，网络设备基于辅助信息中的相位误差组信息修正定位报告中的相对载波相位，或，网络设备可以基于辅助信息中的定时误差组信息修正定位报告中相对载波相位对应的时间戳、到达时间、到达时间差值、往返时间值等信息。For example, the network device may modify the data in the positioning report based on the auxiliary information. The network device corrects the positioning report based on the auxiliary information to obtain a corrected positioning report, and the network device calculates the location of the terminal device based on the corrected positioning report. For example, the network device may correct the relative carrier phase in the positioning report based on the phase error group information in the auxiliary information, or the network device may correct the timestamp and arrival time corresponding to the relative carrier phase in the positioning report based on the timing error group information in the auxiliary information. , arrival time difference, round trip time value and other information.
综上所述，本实施例提供的方法，网络设备还可以接收终端设备发送的辅助信息，辅助信息中包括相位误差组信息或定时误差组信息，网络设备基于辅助信息可以修正定位报告中的信息，来得到更准确的测量结果，从而精确求解终端设备的位置，可以精准定位终端设备，使定位精度达到厘米级。In summary, with the method provided in this embodiment, the network device can also receive auxiliary information sent by the terminal device. The auxiliary information includes phase error group information or timing error group information. The network device can correct the information in the positioning report based on the auxiliary information. , to obtain more accurate measurement results, thereby accurately solving the position of the terminal device, and accurately positioning the terminal device, so that the positioning accuracy reaches centimeter level.
需要说明的是，本领域技术人员可以将上述任意个实施例中的任意个步骤进行结合，实现成为新的实施例，对此不加以赘述。It should be noted that those skilled in the art can combine any steps in any of the above embodiments to form a new embodiment, which will not be described again.
图9示出了本申请一个示例性实施例提供的上行定位装置的结构框图，该装置可以实现成为终端设备，或者，实现成为终端设备中的一部分，该装置包括：Figure 9 shows a structural block diagram of an uplink positioning device provided by an exemplary embodiment of the present application. The device can be implemented as a terminal device, or can be implemented as a part of the terminal device. The device includes:
第一接收模块601，用于接收网络设备发送的上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The first receiving module 601 is configured to receive the configuration information of the uplink positioning signal sent by the network device. The uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
在一种可选的实施例中，所述相对载波相位包括定位节点接收到的所述上行定位信号的相位与参考相位的相位差值。In an optional embodiment, the relative carrier phase includes a phase difference between the phase of the uplink positioning signal received by the positioning node and the reference phase.
在一种可选的实施例中，所述参考相位是由网络设备配置的，所述装置还包括：In an optional embodiment, the reference phase is configured by a network device, and the device further includes:
第一发送模块602，用于基于所述上行定位信号的配置信息向所述定位节点发送所述上行定位信号。The first sending module 602 is configured to send the uplink positioning signal to the positioning node based on the configuration information of the uplink positioning signal.
在一种可选的实施例中，所述上行定位信号的配置信息包括以下至少一项：周期、时隙偏移、占用的符号数、梳状结构comb-size、起始符号位置、子载波间隔、准共址QCL信息、载频、带宽、起始物理资源块PRB位置、功率控制参数P0和alpha和路径损耗参考。In an optional embodiment, the configuration information of the uplink positioning signal includes at least one of the following: period, time slot offset, number of occupied symbols, comb structure comb-size, starting symbol position, subcarrier Spacing, quasi-co-located QCL information, carrier frequency, bandwidth, starting physical resource block PRB position, power control parameters P0 and alpha and path loss reference.
在一种可选的实施例中，所述装置还包括：In an optional embodiment, the device further includes:
第一发送模块602，用于向网络设备发送辅助信息，所述辅助信息包括所述上行定位信号对应的相位误差组信息和/或定时误差组信息。The first sending module 602 is configured to send auxiliary information to the network device, where the auxiliary information includes phase error group information and/or timing error group information corresponding to the uplink positioning signal.
在一种可选的实施例中，所述上行定位信号包括探测参考信号SRS。In an optional embodiment, the uplink positioning signal includes a sounding reference signal SRS.
图10示出了本申请一个示例性实施例提供的上行定位装置的结构框图，该装置可以实现成为定位节点，或者，实现成为定位节点中的一部分，该装置包括：Figure 10 shows a structural block diagram of an uplink positioning device provided by an exemplary embodiment of the present application. The device can be implemented as a positioning node, or can be implemented as a part of a positioning node. The device includes:
第二接收模块701，用于接收终端设备发送的上行定位信号，所述上行定位信号用于获得相对载波相位。The second receiving module 701 is used to receive the uplink positioning signal sent by the terminal device, where the uplink positioning signal is used to obtain the relative carrier phase.
在一种可选的实施例中，所述相对载波相位包括所述定位节点接收到的所述上行定位信号的相位与参考相位的相位差值。In an optional embodiment, the relative carrier phase includes a phase difference between a phase of the uplink positioning signal received by the positioning node and a reference phase.
在一种可选的实施例中，所述参考相位是由网络设备配置的。In an optional embodiment, the reference phase is configured by a network device.
在一种可选的实施例中，所述装置还包括：In an optional embodiment, the device further includes:
第二发送模块702，用于向网络设备发送定位报告，所述定位报告包括所述相对载波相位。The second sending module 702 is configured to send a positioning report to the network device, where the positioning report includes the relative carrier phase.
在一种可选的实施例中，所述定位报告包括以下至少一项：所述相对载波相位的相位整周数、所述相对载波相位不足整周的小数部分、所述相对载波相位对应的相位误差组信息、所述相对载波相位对应的所述定位节点、所述相对载波相位对应的定位信号标识、所述相对载波相位对应的定位信号集合标识、所述相对载波相位对应的直射径指示信息和所述相对载波相位对应的时间戳。In an optional embodiment, the positioning report includes at least one of the following: the integer number of phases of the relative carrier phase, the fractional part of the relative carrier phase that is less than an integer, and the number of phases corresponding to the relative carrier phase. Phase error group information, the positioning node corresponding to the relative carrier phase, the positioning signal identifier corresponding to the relative carrier phase, the positioning signal set identifier corresponding to the relative carrier phase, and the direct path indication corresponding to the relative carrier phase information and the timestamp corresponding to the relative carrier phase.
在一种可选的实施例中，所述定位报告还包括以下至少一项：参考信号接收功率RSRP、到达角、出发角、到达时间、到达时间差值、往返时间值、时间误差组。In an optional embodiment, the positioning report further includes at least one of the following: reference signal received power RSRP, arrival angle, departure angle, arrival time, arrival time difference, round trip time value, and time error group.
在一种可选的实施例中，所述上行定位信号包括探测参考信号SRS。In an optional embodiment, the uplink positioning signal includes a sounding reference signal SRS.
图11示出了本申请一个示例性实施例提供的上行定位装置的结构框图，该装置可以实现成为网络设备，或者，实现成为网络设备中的一部分，该装置包括：Figure 11 shows a structural block diagram of an uplink positioning device provided by an exemplary embodiment of the present application. The device can be implemented as a network device, or can be implemented as a part of the network device. The device includes:
第三发送模块802，用于向终端设备发送上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The third sending module 802 is configured to send the configuration information of the uplink positioning signal to the terminal device. The uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
在一种可选的实施例中，所述相对载波相位包括定位节点接收到的所述上行定位信号的相位与参考相位的相位差值。In an optional embodiment, the relative carrier phase includes a phase difference between the phase of the uplink positioning signal received by the positioning node and the reference phase.
在一种可选的实施例中，所述参考相位是由所述网络设备配置的。In an optional embodiment, the reference phase is configured by the network device.
在一种可选的实施例中，所述装置还包括：In an optional embodiment, the device further includes:
第三接收模块801，用于接收定位节点发送的定位报告，所述定位报告包括所述定位节点测得的所述相对载波相位。The third receiving module 801 is configured to receive a positioning report sent by a positioning node, where the positioning report includes the relative carrier phase measured by the positioning node.
在一种可选的实施例中，所述定位报告包括以下至少一项：所述相对载波相位的相位整周数、所述相对载波相位不足整周的小数部分、所述相对载波相位对应的相位误差组信息、所述相对载波相位对应的所述定位节点、所述相对载波相位对应的定位信号标识、所述相对载波相位对应的定位信号集合标识、所述相对载波相位对应的直射径指示信息和所述相对载波相位对应的时间戳。In an optional embodiment, the positioning report includes at least one of the following: the integer number of phases of the relative carrier phase, the fractional part of the relative carrier phase that is less than an integer, and the number of phases corresponding to the relative carrier phase. Phase error group information, the positioning node corresponding to the relative carrier phase, the positioning signal identifier corresponding to the relative carrier phase, the positioning signal set identifier corresponding to the relative carrier phase, and the direct path indication corresponding to the relative carrier phase information and the timestamp corresponding to the relative carrier phase.
在一种可选的实施例中，所述定位报告还包括以下至少一项：参考信号接收功率RSRP、到达角、出发角、到达时间、到达时间差值、往返时间值和时间误差组。In an optional embodiment, the positioning report further includes at least one of the following: reference signal received power RSRP, arrival angle, departure angle, arrival time, arrival time difference, round trip time value and time error group.
在一种可选的实施例中，所述装置还包括：In an optional embodiment, the device further includes:
第三接收模块801，用于接收终端设备发送的辅助信息，所述辅助信息包括所述上行定位信号对应的相位误差组信息和/或定时误差组信息。The third receiving module 801 is configured to receive auxiliary information sent by the terminal device, where the auxiliary information includes phase error group information and/or timing error group information corresponding to the uplink positioning signal.
在一种可选的实施例中，所述上行定位信号包括探测参考信号SRS。In an optional embodiment, the uplink positioning signal includes a sounding reference signal SRS.
图12示出了本申请一个示例性实施例提供的通信设备(终端设备或网络设备)的结构示意图，该通信设备包括：处理器1001、接收器1002、发射器1003、存储器1004和总线1005。Figure 12 shows a schematic structural diagram of a communication device (terminal device or network device) provided by an exemplary embodiment of the present application. The communication device includes: a processor 1001, a receiver 1002, a transmitter 1003, a memory 1004 and a bus 1005.
处理器1001包括一个或者一个以上处理核心，处理器1001通过运行软件程序以及模块，从而执行各种功能应用以及信息处理。The processor 1001 includes one or more processing cores. The processor 1001 executes various functional applications and information processing by running software programs and modules.
接收器1002和发射器1003可以实现为一个通信组件，该通信组件可以是一块通信芯片。The receiver 1002 and the transmitter 1003 can be implemented as a communication component, and the communication component can be a communication chip.
存储器1004通过总线1005与处理器1001相连。The memory 1004 is connected to the processor 1001 through a bus 1005.
存储器1004可用于存储至少一个指令，处理器1001用于执行该至少一个指令，以实现上述方法实施例中的各个步骤。The memory 1004 can be used to store at least one instruction, and the processor 1001 is used to execute the at least one instruction to implement each step in the above method embodiment.
此外，存储器1004可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，易失性或非易失性存储设备包括但不限于：磁盘或光盘，电可擦除可编程只读存储器(Electrically-Erasable Programmable Read Only Memory,EEPROM)，可擦除可编程只读存储器(Erasable Programmable Read Only Memory,EPROM)，静态随时存取存储器(Static Random Access Memory，SRAM)，只读存储器(Read-Only Memory,ROM)，磁存储器，快闪存储器，可编程只读存储器(Programmable Read-Only Memory，PROM)。Additionally, memory 1004 may be implemented by any type of volatile or non-volatile storage device, or combination thereof, including but not limited to: magnetic or optical disks, electrically erasable programmable Read-only memory (Electrically-Erasable Programmable Read Only Memory, EEPROM), erasable programmable read-only memory (Erasable Programmable Read Only Memory, EPROM), static random access memory (Static Random Access Memory, SRAM), read-only memory (Read-Only Memory, ROM), magnetic memory, flash memory, programmable read-only memory (Programmable Read-Only Memory, PROM).
其中，当通信设备实现为终端设备时，本申请实施例涉及的通信设备中的处理器和收发器，可以执行上述图2-5任一所示的方法中，由终端设备执行的步骤，此处不再赘述。When the communication device is implemented as a terminal device, the processor and transceiver in the communication device involved in the embodiment of the present application can perform the steps performed by the terminal device in any of the methods shown in Figures 2-5. No further details will be given.
在一种可能的实现方式中，当通信设备实现为终端设备时，In a possible implementation, when the communication device is implemented as a terminal device,
所述收发器，用于接收网络设备发送的上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The transceiver is used to receive the configuration information of the uplink positioning signal sent by the network device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
其中，当通信设备实现为定位节点时，本申请实施例涉及的通信设备中的处理器和收发器，可以执行上述图2-5任一所示的方法中，由定位节点执行的步骤，此处不再赘述。When the communication device is implemented as a positioning node, the processor and transceiver in the communication device involved in the embodiment of the present application can perform the steps performed by the positioning node in any of the methods shown in Figures 2-5. This is No further details will be given.
在一种可能的实现方式中，当通信设备实现为定位节点时，In a possible implementation, when the communication device is implemented as a positioning node,
所述收发器，用于接收终端设备发送的上行定位信号，所述上行定位信号用于获得相对载波相位。The transceiver is used to receive an uplink positioning signal sent by a terminal device, and the uplink positioning signal is used to obtain a relative carrier phase.
其中，当通信设备实现为网络设备时，本申请实施例涉及的通信设备中的处理器和收发器，可以执行上述图2-5任一所示的方法中，由网络设备执行的步骤，此处不再赘述。When the communication device is implemented as a network device, the processor and transceiver in the communication device involved in the embodiment of the present application can perform the steps performed by the network device in any of the methods shown in Figures 2-5. No further details will be given.
在一种可能的实现方式中，当通信设备实现为网络设备时，In a possible implementation, when the communication device is implemented as a network device,
所述收发器，用于向终端设备发送上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The transceiver is used to send the configuration information of the uplink positioning signal to the terminal device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
在示例性实施例中，还提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有至少一条指令、至少一段程序、代码集或指令集，所述至少 一条指令、所述至少一段程序、所述代码集或指令集由处理器加载并执行以实现上述各个方法实施例提供的由通信设备执行的上行定位方法。In an exemplary embodiment, a computer-readable storage medium is also provided, in which at least one instruction, at least a program, a code set or an instruction set is stored, and the at least one instruction, the At least a section of the program, the code set or the instruction set is loaded and executed by the processor to implement the uplink positioning method executed by the communication device provided by each of the above method embodiments.
在示例性实施例中，还提供了一种芯片，所述芯片包括可编程逻辑电路和/或程序指令，当所述芯片在计算机设备上运行时，用于实现上述方面所述的上行定位方法。In an exemplary embodiment, a chip is also provided. The chip includes programmable logic circuits and/or program instructions. When the chip is run on a computer device, it is used to implement the uplink positioning method described in the above aspect. .
在示例性实施例中，还提供了一种计算机程序产品，该计算机程序产品在计算机设备的处理器上运行时，使得计算机设备执行上述方面所述的上行定位方法。In an exemplary embodiment, a computer program product is also provided. When the computer program product is run on a processor of a computer device, the computer device performs the uplink positioning method described in the above aspect.
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来完成，也可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，上述提到的存储介质可以是只读存储器，磁盘或光盘等。Those of ordinary skill in the art can understand that all or part of the steps to implement the above embodiments can be completed by hardware, or can be completed by instructing relevant hardware through a program. The program can be stored in a computer-readable storage medium. The above-mentioned The storage media mentioned can be read-only memory, magnetic disks or optical disks, etc.
以上所述仅为本申请的可选实施例，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。The above are only optional embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection of the present application. within the range.

Claims (30)

  1. 一种上行定位方法，其特征在于，所述方法由终端设备执行，所述方法包括：An uplink positioning method, characterized in that the method is executed by a terminal device, and the method includes:
    接收网络设备发送的上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。Receive the configuration information of the uplink positioning signal sent by the network device. The uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  2. 根据权利要求1所述的方法，其特征在于，所述相对载波相位包括定位节点接收到的所述上行定位信号的相位与参考相位的相位差值。The method according to claim 1, wherein the relative carrier phase includes the phase difference between the phase of the uplink positioning signal received by the positioning node and the reference phase.
  3. 根据权利要求2所述的方法，其特征在于，所述参考相位是由网络设备配置的，所述方法还包括：The method according to claim 2, characterized in that the reference phase is configured by a network device, and the method further includes:
    基于所述上行定位信号的配置信息向所述定位节点发送所述上行定位信号。The uplink positioning signal is sent to the positioning node based on the configuration information of the uplink positioning signal.
  4. 根据权利要求1所述的方法，其特征在于，所述上行定位信号的配置信息包括以下至少一项：周期、时隙偏移、占用的符号数、梳状结构comb-size、起始符号位置、子载波间隔、准共址QCL信息、载频、带宽、起始物理资源块PRB位置、功率控制参数P0和alpha和路径损耗参考。The method according to claim 1, characterized in that the configuration information of the uplink positioning signal includes at least one of the following: period, time slot offset, number of occupied symbols, comb structure comb-size, starting symbol position , subcarrier spacing, quasi-co-located QCL information, carrier frequency, bandwidth, starting physical resource block PRB position, power control parameters P0 and alpha and path loss reference.
  5. 根据权利要求1所述的方法，其特征在于，所述方法还包括：The method of claim 1, further comprising:
    向网络设备发送辅助信息，所述辅助信息包括所述上行定位信号对应的相位误差组信息和/或定时误差组信息。Send auxiliary information to the network device, where the auxiliary information includes phase error group information and/or timing error group information corresponding to the uplink positioning signal.
  6. 根据权利要求1所述的方法，其特征在于，所述上行定位信号包括探测参考信号SRS。The method according to claim 1, characterized in that the uplink positioning signal includes a sounding reference signal SRS.
  7. 一种上行定位方法，其特征在于，所述方法由定位节点执行，所述方法包括：An uplink positioning method, characterized in that the method is executed by a positioning node, and the method includes:
    接收终端设备发送的上行定位信号，所述上行定位信号用于获得相对载波相位。The uplink positioning signal sent by the terminal device is received, and the uplink positioning signal is used to obtain the relative carrier phase.
  8. 根据权利要求7所述的方法，其特征在于，所述相对载波相位包括所述定位节点接收到的所述上行定位信号的相位与参考相位的相位差值。The method according to claim 7, wherein the relative carrier phase includes a phase difference between a phase of the uplink positioning signal received by the positioning node and a reference phase.
  9. 根据权利要求8所述的方法，其特征在于，所述参考相位是由网络设备配置的。The method of claim 8, wherein the reference phase is configured by a network device.
  10. 根据权利要求7所述的方法，其特征在于，所述方法还包括：The method of claim 7, further comprising:
    向网络设备发送定位报告，所述定位报告包括所述相对载波相位。A positioning report is sent to a network device, the positioning report including the relative carrier phase.
  11. 根据权利要求10所述的方法，其特征在于，所述定位报告包括以下至少一项：所述相对载波相位的相位整周数、所述相对载波相位不足整周的小数部分、所述相对载波相位对应的相位误差组信息、所述相对载波相位对应的所述定位节点、所述相对载波相位对应的定位信号标识、所述相对载波相位对应的定位信号集合标识、所述相对载波相位对应的直射径指示信息和所述相对载波相位对应的时间戳。The method according to claim 10, characterized in that the positioning report includes at least one of the following: the number of integer cycles of the relative carrier phase, the fractional part of the relative carrier phase that is less than an integer, the relative carrier phase The phase error group information corresponding to the phase, the positioning node corresponding to the relative carrier phase, the positioning signal identifier corresponding to the relative carrier phase, the positioning signal set identifier corresponding to the relative carrier phase, the positioning node corresponding to the relative carrier phase The time stamp corresponding to the direct path indication information and the relative carrier phase.
  12. 根据权利要求11所述的方法，其特征在于，所述定位报告还包括以下至少一项：参考信号接收功率RSRP、到达角、出发角、到达时间、到达时间差值、往返时间值、时间误差组。The method according to claim 11, characterized in that the positioning report further includes at least one of the following: reference signal received power RSRP, arrival angle, departure angle, arrival time, arrival time difference, round trip time value, time error Group.
  13. 根据权利要求7所述的方法，其特征在于，所述上行定位信号包括探测参考信号SRS。The method according to claim 7, characterized in that the uplink positioning signal includes a sounding reference signal SRS.
  14. 一种上行定位方法，其特征在于，所述方法由网络设备执行，所述方法包括：An uplink positioning method, characterized in that the method is executed by a network device, and the method includes:
    向终端设备发送上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The configuration information of the uplink positioning signal is sent to the terminal device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  15. 根据权利要求14所述的方法，其特征在于，所述相对载波相位包括定位节点接收到的所述上行定位信号的相位与参考相位的相位差值。The method according to claim 14, wherein the relative carrier phase includes a phase difference between the phase of the uplink positioning signal received by the positioning node and the reference phase.
  16. 根据权利要求15所述的方法，其特征在于，所述参考相位是由所述网络设备配置的。The method of claim 15, wherein the reference phase is configured by the network device.
  17. 根据权利要求14所述的方法，其特征在于，所述方法还包括：The method of claim 14, further comprising:
    接收定位节点发送的定位报告，所述定位报告包括所述定位节点测得的所述相对载波相位。Receive a positioning report sent by a positioning node, where the positioning report includes the relative carrier phase measured by the positioning node.
  18. 根据权利要求17所述的方法，其特征在于，所述定位报告包括以下至少一项：所述相对载波相位的相位整周数、所述相对载波相位不足整周的小数部分、所述相对载波相位对应的相位误差组信息、所述相对载波相位对应的所述定位节点、所述相对载波相位对应的定位信号标识、所述相对载波相位对应的定位信号集合标识、所述相对载波相位对应的直射径指示信息和所述相对载波相位对应的时间戳。The method according to claim 17, characterized in that the positioning report includes at least one of the following: the number of integer cycles of the relative carrier phase, the fractional part of the relative carrier phase that is less than an integer, the relative carrier phase The phase error group information corresponding to the phase, the positioning node corresponding to the relative carrier phase, the positioning signal identifier corresponding to the relative carrier phase, the positioning signal set identifier corresponding to the relative carrier phase, the positioning node corresponding to the relative carrier phase The time stamp corresponding to the direct path indication information and the relative carrier phase.
  19. 根据权利要求18所述的方法，其特征在于，所述定位报告还包括以下至少一项：参考信号接收功率RSRP、到达角、出发角、到达时间、到达时间差值、往返时间值和时间误差组。The method according to claim 18, wherein the positioning report further includes at least one of the following: reference signal received power RSRP, angle of arrival, angle of departure, arrival time, arrival time difference, round trip time value and time error Group.
  20. 根据权利要求14所述的方法，其特征在于，所述方法还包括：The method of claim 14, further comprising:
    接收终端设备发送的辅助信息，所述辅助信息包括所述上行定位信号对应的相位误差组信息和/或定时误差组信息。Receive auxiliary information sent by the terminal device, where the auxiliary information includes phase error group information and/or timing error group information corresponding to the uplink positioning signal.
  21. 根据权利要求14所述的方法，其特征在于，所述上行定位信号包括探测参考信号SRS。The method according to claim 14, characterized in that the uplink positioning signal includes a sounding reference signal SRS.
  22. 一种上行定位装置，其特征在于，所述装置包括：An upward positioning device, characterized in that the device includes:
    第一接收模块，用于接收网络设备发送的上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The first receiving module is configured to receive the configuration information of the uplink positioning signal sent by the network device. The uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  23. 一种上行定位装置，其特征在于，所述装置包括：An upward positioning device, characterized in that the device includes:
    第二接收模块，用于接收终端设备发送的上行定位信号，所述上行定位信号用于获得相对载波相位。The second receiving module is used to receive the uplink positioning signal sent by the terminal device, where the uplink positioning signal is used to obtain the relative carrier phase.
  24. 一种上行定位装置，其特征在于，所述装置包括：An upward positioning device, characterized in that the device includes:
    第三发送模块，用于向终端设备发送上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The third sending module is used to send the configuration information of the uplink positioning signal to the terminal device. The uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  25. 一种终端设备，其特征在于，所述终端设备包括：收发器；其中，A terminal device, characterized in that the terminal device includes: a transceiver; wherein,
    所述收发器，用于接收网络设备发送的上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The transceiver is used to receive the configuration information of the uplink positioning signal sent by the network device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  26. 一种网络设备，其特征在于，所述网络设备包括：收发器；其中，A network device, characterized in that the network device includes: a transceiver; wherein,
    所述收发器，用于接收终端设备发送的上行定位信号，所述上行定位信号用于获得相对载波相位。The transceiver is used to receive an uplink positioning signal sent by a terminal device, and the uplink positioning signal is used to obtain a relative carrier phase.
  27. 一种网络设备，其特征在于，所述网络设备包括：收发器；其中，A network device, characterized in that the network device includes: a transceiver; wherein,
    所述收发器，用于向终端设备发送上行定位信号的配置信息，所述上行定位信号用于使定位节点获得相对载波相位。The transceiver is used to send the configuration information of the uplink positioning signal to the terminal device, and the uplink positioning signal is used to enable the positioning node to obtain the relative carrier phase.
  28. 一种计算机可读存储介质，其特征在于，所述可读存储介质中存储有可执行指令，所述可执行指令由处理器加载并执行以实现如权利要求1至21任一所述的上行定位方法。A computer-readable storage medium, characterized in that executable instructions are stored in the readable storage medium, and the executable instructions are loaded and executed by a processor to implement the uplink operation as described in any one of claims 1 to 21. Positioning method.
  29. 一种芯片，其特征在于，所述芯片包括可编程逻辑电路或程序，所述芯片用于实现如权利要求1至21中任一所述的上行定位方法。A chip, characterized in that the chip includes a programmable logic circuit or program, and the chip is used to implement the uplink positioning method according to any one of claims 1 to 21.
  30. 一种计算机程序产品或计算机程序，其特征在于，所述计算机程序产品或计算机程序包括计算机指令，所述计算机指令存储在计算机可读存储介质中，处理器从所述计算机可读存储介质读取并执行所述计算机指令，以实现如权利 要求1至21中任一所述的上行定位方法。A computer program product or computer program, characterized in that the computer program product or computer program includes computer instructions, the computer instructions are stored in a computer-readable storage medium, and a processor reads from the computer-readable storage medium and execute the computer instructions to implement the uplink positioning method as described in any one of claims 1 to 21.
PCT/CN2022/085890 2022-04-08 2022-04-08 Uplink positioning method and apparatus, device and storage medium WO2023193252A1 (en)

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