WO2021218666A1 - Positioning correction method and apparatus - Google Patents
Positioning correction method and apparatus Download PDFInfo
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- WO2021218666A1 WO2021218666A1 PCT/CN2021/087759 CN2021087759W WO2021218666A1 WO 2021218666 A1 WO2021218666 A1 WO 2021218666A1 CN 2021087759 W CN2021087759 W CN 2021087759W WO 2021218666 A1 WO2021218666 A1 WO 2021218666A1
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- 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
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- 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
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- 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
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Definitions
- This application relates to the field of communication technology, and provides a positioning correction method and device.
- the base station receives the positioning reference signal of the terminal device or sends the positioning reference signal to the terminal device, obtains the measurement value related to the terminal device, and sends the measurement value to the location management function entity (Location Management Function, LMF) Calculate the position in the process.
- LMF Location Management Function
- the position information calculated by the above method has low positioning accuracy, which affects the positioning accuracy.
- a positioning correction method and device are proposed in the embodiments of the present application.
- the embodiments of the present application provide a positioning correction method and device to improve positioning accuracy and positioning accuracy.
- a positioning correction method provided by an embodiment of the present application, applied to a first device includes:
- the first device generates an error correction parameter (Error Correction Parameter, ECP) according to the reference information;
- ECP Error Correction Parameter
- the first device sends the ECP to the second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
- the first device generating the ECP according to the reference information includes:
- the first device generates an ECP according to the difference between the estimated position of the IM reference device and the actual position
- the IM reference device and the target device are in the coverage area of the same base station.
- the first device before the first device generates the ECP, it further includes:
- the second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
- the positioning reference signal is an uplink positioning reference signal
- the positioning reference signal is a downlink positioning reference signal.
- the ECP includes at least:
- the sending of the ECP to the second device by the first device includes:
- the first device sends the ECP to the second device through a specific network interface.
- Optional include:
- the specific network interface is a New Radio Positioning Protocol Annex (NRPPa) or a long-term evolution positioning protocol interface ( Long Term Evolution Positioning Protocol Annex, LPPa)
- the non-serving base station is a base station used to assist the serving base station to provide positioning services; or,
- the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,
- the specific network interface is one of NRPPa, LPPa, LPP, or (Radio Resource Control, RRC).
- the reference information is assistance data sent by a reference base station
- the target device is within the coverage area of the reference base station.
- the first device and the second device are both the LMF.
- an embodiment of the present application also provides a positioning correction method for a target device, which is applied to a second device, and includes:
- the second device corrects the first positioning measurement value of the target device according to the ECP sent by the first device
- the second device generates the estimated position of the target device based on the corrected first positioning measurement value.
- it further includes:
- the second device If the second device receives ECPs sent by multiple first devices, the second device generates a corresponding reference ECP based on each ECP;
- the second device corrects the first positioning measurement value of the target device according to the reference ECP.
- the second device generates a corresponding reference ECP based on each ECP, including:
- the second device uses the average value or weighted average value of each ECP as the reference ECP; or,
- each ECP is to determine whether the estimated position of the IM reference device meets the preset integrity monitoring condition, the second device performs a logical AND operation or a logical OR operation on each ECP, and uses the calculation result as the all Refer to ECP for the description.
- an embodiment of the present application also provides a positioning correction device, which is applied to the first device, and includes:
- the error generating unit is used to generate ECP according to the reference information
- the sending unit is configured to send the ECP to a second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
- the ECP is generated according to the reference information, and the error generating unit is configured to:
- the IM reference device and the target device are in the coverage area of the same base station.
- the error generating unit is further configured to:
- the second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
- the positioning reference signal is an uplink positioning reference signal
- the positioning reference signal is a downlink positioning reference signal.
- the ECP includes at least:
- the ECP is sent to the second device, and the sending unit is configured to:
- the ECP is sent to the second device through a specific network interface.
- the first device is a serving base station or a non-serving base station
- the second device is the LMF
- the specific network interface is NRPPa or LPPa
- the non-serving base station is used to assist the serving base station A base station that provides location services
- the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,
- the specific network interface is one of NRPPa, LPPa, LPP, or RRC.
- the reference information is assistance data sent by a reference base station
- the target device is within the coverage area of the reference base station.
- the first device and the second device are both the LMF.
- an embodiment of the present application also provides a positioning correction method for a target device, which is applied to a second device, and includes:
- the correction unit is configured to correct the first positioning measurement value of the target device according to the error correction parameter ECP sent by the first device;
- the positioning unit is configured to generate an estimated position of the target device based on the corrected first positioning measurement value.
- correction unit is further configured to:
- ECPs sent by multiple first devices are received, based on each ECP, a corresponding reference ECP is generated;
- the first positioning measurement value of the target device is corrected.
- a corresponding reference ECP is generated, and the correction unit is configured to:
- each ECP is the correction value of the second positioning measurement value or the error range of the second positioning measurement value, then the average or weighted average of the various ECPs is used as the reference ECP; or,
- each ECP is to determine whether the estimated position of the IM reference device meets the preset integrity monitoring condition, a logical AND operation or a logical OR operation is performed on each ECP, and the calculation result is used as the reference ECP.
- a first device provided by an embodiment of the present application includes a processor, a memory, and a transceiver;
- Memory used to store computer programs
- a transceiver used to send and receive data under the control of the processor
- the processor is configured to read the computer program in the memory and perform the following operations:
- the ECP is sent to the second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
- the processor is specifically configured to:
- the IM reference device and the target device are in the coverage area of the same base station.
- the processor is further configured to:
- the first device Before the first device generates the ECP, receiving the estimated position of the IM reference device generated by the positioning management function entity LMF according to the second positioning measurement value;
- the second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
- the positioning reference signal is an uplink positioning reference signal
- the positioning reference signal is a downlink positioning reference signal.
- the ECP includes at least:
- the processor is specifically configured to:
- the ECP is sent to the second device through a specific network interface.
- the first device is a serving base station or a non-serving base station
- the second device is the LMF
- the specific network interface is NRPPa or LPPa
- the non-serving base station is used to assist the Serving base station A base station that provides location services
- the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,
- the specific network interface is one of NRPPa, LPPa, LPP, or RRC.
- the reference information is assistance data sent by a reference base station
- the target device is within the coverage area of the reference base station.
- the first device and the second device are both the LMF.
- a second device provided by an embodiment of the present application includes a processor, a memory, and a transceiver;
- Memory used to store computer programs
- a transceiver used to send and receive data under the control of the processor
- the processor is configured to read the computer program in the memory and perform the following operations:
- an estimated position of the target device is generated.
- the processor is further configured to:
- ECPs sent by multiple first devices are received, based on each ECP, a corresponding reference ECP is generated;
- the first positioning measurement value of the target device is corrected.
- the processor is specifically configured to:
- each ECP is the correction value of the second positioning measurement value or the error range of the second positioning measurement value, then the average or weighted average of the various ECPs is used as the reference ECP; or,
- each ECP is to determine whether the estimated position of the IM reference device meets the preset integrity monitoring condition, a logical AND operation or a logical OR operation is performed on each ECP, and the calculation result is used as the reference ECP.
- an embodiment of the present application provides a computer-readable storage medium, which includes program code.
- the program product runs on a computer
- the program code is used to make the computer perform any of the above-mentioned positioning corrections.
- the positioning correction method and device provided in the embodiments of the present application include the first device first generating an ECP based on the reference information; the first device then sends the ECP to the second device, so that the second device is based on the target corrected by the ECP The first positioning measurement value of the device to locate the target device.
- the first device generates the ECP according to the reference information, and the second device corrects the first positioning measurement value of the target device according to the ECP to improve positioning accuracy and positioning accuracy.
- FIG. 1 is a schematic flowchart of a positioning correction method according to an embodiment of the application
- Figure 2a is a schematic diagram of the architecture of the first embodiment
- FIG. 2b is a schematic diagram of the positioning correction process in the first embodiment
- Figure 3a is a schematic diagram of the architecture of the second embodiment
- FIG. 3b is a schematic flowchart of the positioning correction in the second embodiment
- FIG. 4a is a schematic diagram of the architecture of the third embodiment
- FIG. 4b is a schematic flowchart of the positioning correction in the third embodiment
- FIG. 5a is a schematic diagram of the architecture of the fourth embodiment
- FIG. 5b is a schematic diagram of the positioning correction process of the fourth embodiment
- FIG. 6 is a schematic flow diagram of positioning correction in specific embodiment 5.
- FIG. 7 is a schematic structural diagram of a positioning correction device in an embodiment of the application.
- FIG. 8 is a schematic structural diagram of a positioning correction device for a target device in an embodiment of the application.
- FIG. 9 is a schematic diagram of the composition structure of a first device in an embodiment of the application.
- FIG. 10 is a schematic diagram of the composition structure of a second device in an embodiment of the application.
- an embodiment of the present application provides a positioning correction method, and the process of using this method to perform positioning correction is as follows:
- the first device generates an ECP according to the reference information
- S102 The first device sends the ECP to the second device;
- the second device corrects the first positioning measurement value of the target device according to the ECP sent by the first device;
- the second device generates an estimated position of the target device based on the corrected first positioning measurement value.
- the target device in the embodiment of this application is User Equipment (UE) that proposes positioning requirements;
- the reference information may be the difference between the estimated position and the actual position of the Integrity Monitoring (IM) reference device, and
- IM Integrity Monitoring
- the first device includes a serving base station, a non-serving base station, an IM reference device, and an LMF;
- the second device includes an LMF, a serving base station, and a UE.
- the target device it is within the coverage area of the same base station as the IM reference device, or it is within the coverage area of the reference base station.
- the first device is a serving base station and a non-serving base station
- the reference device is an IM reference device
- the second device is an LMF.
- N first devices may be included, and N is an integer greater than 1, and FIG. 2a only shows a case where two first devices are included.
- FIG. 2b a schematic flow chart of the positioning correction according to the first embodiment is provided.
- the IM reference device sends the UL PRS to the serving base station and the non-serving base station according to the obtained configuration information of the uplink positioning reference signal (Up Line Positioning Reference Signal, UL PRS) parameter.
- uplink positioning reference signal Up Line Positioning Reference Signal, UL PRS
- the IM reference device obtains UL PRS parameter configuration information from the serving base station or LMF, where the configuration information includes transmission time-frequency domain resources, bandwidth, Quasi Co-Location (QCL) beam indication information, and so on.
- the configuration information includes transmission time-frequency domain resources, bandwidth, Quasi Co-Location (QCL) beam indication information, and so on.
- QCL Quasi Co-Location
- S202 The serving base station and the non-serving base station perform positioning measurement for the configured UL PRS parameters to obtain a second positioning measurement value.
- the positioning measurement methods that can be used in the first embodiment include, but are not limited to, Up Line Time Difference of Arrival (UL TDOA) positioning, Up Line Angel of Arrival (UL AoA) positioning, and cell enhancement ID (Enhanced-Cell Idi, E-CID) positioning method. Therefore, in the first embodiment, the second positioning measurement value includes but is not limited to TDOA and AOA.
- the serving base station and the non-serving base station respectively generate an ECP based on the difference between the estimated position of the IM reference device generated by the LMF according to the second positioning measurement value and the actual position of the IM reference device.
- the ECP may be one of the following three types:
- Type 1 The correction value used to correct the second positioning measurement value of each UL PRS beam received by the base station.
- Type 2 The error range of the second positioning measurement value of each UL PRS beam received by the base station.
- the error range of TDOA is (1-3)s.
- Type 3 Determine whether the estimated location of the IM reference device meets the preset integrity monitoring conditions.
- the difference between the estimated position and the actual position of the IM reference device is calculated to obtain the horizontal position error value and the vertical position error value of the IM reference device;
- the low-risk requirement value refers to the probability that the positioning error exceeds the tolerance limit.
- the horizontal position error value exceeds the horizontal position alarm threshold, and/or the vertical position error value exceeds the vertical position alarm threshold, it means that the positioning error exceeds the maximum horizontal position/vertical allowed when the system can work normally The error value of the position.
- S204 The serving base station and the non-serving base station respectively send the ECP to the LMF through a specific network interface.
- the specific network interface includes but is not limited to: NRPPa, LPPa, or other newly defined logical interfaces.
- the LMF corrects the first positioning measurement value of the UE according to the multiple ECPs sent by the serving base station and the non-serving base station.
- the first positioning measurement value of the UE may be obtained according to the positioning measurement method described above.
- the first positioning measurement value includes but is not limited to TDOA and AOA.
- the LMF receives the ECPs sent by the serving base station and the non-serving base station respectively, and the LMF first generates a corresponding reference ECP based on each ECP; and then corrects the UE's first positioning measurement value according to the reference ECP.
- ECP types have different ways of generating reference ECPs.
- LMF uses the average or weighted average of each ECP as the reference ECP
- the LMF performs a logical AND or logical OR operation on each ECP, and uses the calculation result as the reference ECP.
- the LMF If the LMF receives an ECP that does not meet the integrity monitoring conditions, it will also correct the first positioning measurement value according to the ECP, and generate the estimated position of the UE based on the corrected first positioning measurement value.
- the positioning error exceeds the maximum allowable horizontal position/vertical position error value when the system can work normally. Therefore, the system will send an alarm signal to the UE to inform that the reliability of the positioning result at this time is very low.
- the LMF generates an estimated position of the UE based on the corrected first positioning measurement value.
- the first device is a serving base station and a non-serving base station
- the reference device is an IM reference device
- the second device is a serving base station.
- N first devices may be included, and N is an integer greater than 1, and FIG. 3a only shows a case where two first devices are included.
- FIG. 3b a schematic flowchart of the positioning correction of the second embodiment is provided.
- the IM reference device sends the UL PRS to the serving base station and the non-serving base station according to the acquired UL PRS parameter configuration information.
- S302 The serving base station and the non-serving base station perform positioning measurement for the configured UL PRS parameters to obtain a second positioning measurement value.
- the serving base station and the non-serving base station respectively generate an ECP based on the difference between the estimated position of the IM reference device generated by the LMF according to the second positioning measurement value and the actual position of the IM reference device.
- the ECP may be one of the following three types:
- Type 1 The correction value used to correct the second positioning measurement value of each UL PRS beam received by the base station.
- Type 2 The error range of the second positioning measurement value of each UL PRS beam received by the base station.
- Type 3 Determine whether the estimated location of the IM reference device meets the preset integrity monitoring conditions.
- the non-serving base station sends the ECP to the serving base station through a specific network interface.
- the serving base station is a base station that estimates the location of the UE.
- Specific network interfaces include, but are not limited to, X2, Xn, and other newly defined logical interfaces.
- X2 and Xn refer to the access network equipment Evolved Node B (eNB) or base station equipment gNB in the 5g network.
- the serving base station sends the ECP calculated by itself to the corresponding module through its own internal interface to perform subsequent operations.
- the serving base station corrects the first positioning measurement value of the UE according to multiple ECPs sent by itself and the non-serving base station.
- the first positioning measurement value of the UE may be obtained according to the positioning measurement method described above.
- the first positioning measurement value includes but is not limited to TDOA and AOA.
- the serving base station receives the ECPs sent by itself and the non-serving base station respectively, and the serving base station first generates a corresponding reference ECP based on each ECP; and then corrects the UE's first positioning measurement value according to the reference ECP.
- ECP types have different ways of generating reference ECPs.
- the serving base station uses the average value or weighted average value of each ECP as the reference ECP;
- the serving base station For type three ECP, the serving base station performs logical AND or logical OR operation on each ECP, and uses the calculation result as the reference ECP.
- the serving base station If the serving base station receives an ECP that does not meet the integrity monitoring conditions, it will also correct the first positioning measurement value according to the ECP, and generate the estimated position of the UE based on the corrected first positioning measurement value.
- the positioning error exceeds the maximum horizontal position/vertical position error value allowed when the system can work normally. Therefore, the system will send an alarm signal to the UE to inform that the reliability of the positioning result at this time is very low.
- the serving base station generates an estimated position of the UE based on the corrected first positioning measurement value.
- the first device is an IM reference device
- the reference device is an IM reference device
- the second device is an LMF.
- N first devices may be included, and N is an integer greater than 1, and only one first device is included in FIG. 4a.
- FIG. 4b a schematic flowchart of the positioning correction of the third embodiment is provided.
- the IM reference device sends the DL PRS to the serving base station and the non-serving base station according to the acquired downlink positioning reference signal (Down Line Positioning Reference Signal, DL PRS) parameter configuration information.
- DL PRS Down Line Positioning Reference Signal
- the IM reference device obtains the configuration information of the DL and PRS parameters from the serving base station or the LMF, and the configuration information includes transmission time-frequency domain resources, bandwidth, QCL beam indication information, and the like.
- the serving base station and the non-serving base station perform positioning measurement according to the sent DL PRS parameters to obtain a second positioning measurement value.
- the positioning measurement methods that can be used in the third embodiment include, but are not limited to, Down Line Time Difference of Arrival (DL TDOA) positioning, Time of Arrival (TOA) positioning, and reference signal received power ( Reference Signal Receiving Power (RSRP) positioning. Therefore, in the third embodiment, the second positioning measurement value includes but is not limited to TDOA and TOA.
- DL TDOA Down Line Time Difference of Arrival
- TOA Time of Arrival
- RSRP Reference Signal Receiving Power
- the IM reference device generates an ECP based on the difference between the estimated position of the IM reference device generated by the LMF according to the second positioning measurement value and the actual position of the IM reference device.
- the ECP may be one of the following three types:
- Type 4 The correction value used to correct the second positioning measurement value of each DL PRS beam of the base station or the transmission receiving point (Transmission Receiving Point, TRP).
- Type 5 The error range of the second positioning measurement value of each DL PRS beam of the base station or TRP.
- Type 6 Determine whether the estimated location of the IM reference device meets the preset integrity monitoring conditions.
- the IM reference device sends the ECP to the LMF through a specific network interface.
- the IM reference device may also send the ECP to the base station that estimates the location of the UE through a specific network interface.
- Specific network interfaces include but are not limited to NRPPa, LPPa, LPP, RRC or other newly defined logical interfaces.
- S405 The LMF corrects the first positioning measurement value of the UE according to the ECP sent by the IM reference device.
- the first positioning measurement value of the UE may be obtained according to the positioning measurement method described above.
- the first positioning measurement value includes but is not limited to TDOA and AOA.
- the base station that estimates the position of the UE may also correct the first positioning measurement value of the UE according to the ECP sent by the IM reference device. If the LMF or the base station that estimates the location of the UE receives the ECPs sent by multiple IM reference devices, the LMF or the base station that estimates the location of the UE first generates the corresponding reference ECP based on each ECP; then corrects the UE's first positioning measurement based on the reference ECP value.
- ECP types have different ways of generating reference ECPs.
- LMF or the base station that estimates the location of the UE uses the average value or weighted average value of each ECP as the reference ECP;
- LMF or the base station that estimates the location of the UE performs a logical AND or logical OR operation on each ECP, and uses the calculation result as a reference ECP.
- the LMF or the base station that estimates the location of the UE receives an ECP that does not meet the integrity monitoring conditions, it will also correct the first positioning measurement value according to the ECP, and generate the UE's estimate based on the corrected first positioning measurement value Position, because the positioning error at this time exceeds the maximum horizontal position/vertical position error value allowed when the system can work normally, the system will send an alarm signal to the UE to inform that the reliability of the positioning result at this time is very low.
- the LMF generates an estimated position of the UE based on the corrected first positioning measurement value.
- the base station that estimates the position of the UE may also generate the estimated position of the UE based on the corrected first positioning measurement value.
- the first device is an IM reference device
- the reference device is an IM reference device
- the second device is a UE.
- N first devices may be included, and N is an integer greater than 1, and only one first device is included in FIG. 5a.
- FIG. 5b a schematic flowchart of the positioning correction of the fourth embodiment is provided.
- the IM reference device sends the DL PRS to the serving base station and the non-serving base station according to the obtained configuration information of the DL PRS parameter.
- the IM reference device obtains the configuration information of the DL and PRS parameters from the serving base station or the LMF, and the configuration information includes transmission time-frequency domain resources, bandwidth, QCL beam indication information, and the like.
- the serving base station and the non-serving base station perform positioning measurement according to the sent DL PRS parameters to obtain a second positioning measurement value.
- the positioning measurement methods that can be used in the fourth embodiment include, but are not limited to, DL TDOA positioning, TOA positioning, and RSRP positioning. Therefore, in the fourth embodiment, the second positioning measurement value includes but is not limited to TDOA and TOA.
- the IM reference device generates an ECP based on the difference between the estimated location of the IM reference device generated by the LMF according to the second positioning measurement value and the actual location of the IM reference device.
- the ECP may be one of the following three types:
- Type 4 The correction value used to correct the second positioning measurement value of each DL PRS beam of the base station or TRP.
- Type 5 The error range of the second positioning measurement value of each DL PRS beam of the base station or TRP.
- Type 6 Determine whether the estimated location of the IM reference device meets the preset integrity monitoring conditions.
- the IM reference device sends the ECP to the LMF or the base station performing the transfer through a specific network interface, so that the LMF or the base station performing the transfer forwards the ECP to the UE.
- the UE is a device for estimating its own position.
- Specific network interfaces include but are not limited to NRPPa, LPPa, LPP, RRC or other newly defined logical interfaces.
- S505 The UE corrects the first positioning measurement value of the UE according to the ECP sent by the IM reference device.
- the first positioning measurement value of the UE may be obtained according to the positioning measurement method described above.
- the first positioning measurement value includes but is not limited to TDOA and AOA.
- the UE if the UE receives ECPs sent by multiple IM reference devices, the UE first generates a corresponding reference ECP based on each ECP; and then corrects the UE's first positioning measurement value according to the reference ECP.
- ECP types have different ways of generating reference ECPs.
- the UE uses the average value or weighted average value of each ECP as the reference ECP;
- the UE For the type 5 ECP, the UE performs a logical AND or logical OR operation on each ECP, and uses the calculation result as a reference ECP.
- the UE If the UE receives an ECP that does not meet the integrity monitoring conditions, it will also correct the first positioning measurement value according to the ECP, and generate the UE’s estimated position based on the corrected first positioning measurement value.
- the positioning error exceeds the maximum allowable horizontal position/vertical position error value when the system can work normally. Therefore, the system will send an alarm signal to the UE to inform that the reliability of the positioning result at this time is very low.
- S506 The UE generates an estimated position of the UE based on the corrected first positioning measurement value.
- FIG. 6 a schematic flowchart of the positioning correction of the fifth embodiment is provided.
- the LMF generates an ECP according to the auxiliary data sent by the reference base station.
- any one of the at least two base stations is determined as a reference base station, and the reference base station performs online or offline monitoring with other base stations, or the reference base station passes and communicates with other base stations.
- Other base stations exchange information and obtain auxiliary data.
- the auxiliary data includes, but is not limited to, information such as time offsets between base stations or base station transmitter failures.
- the LMF sends the ECP to the corresponding module through its internal interface for subsequent processing.
- S603 The LMF corrects the first positioning measurement value of the UE according to the ECP.
- the first positioning measurement value of the UE may be obtained according to the positioning measurement method described above.
- the first positioning measurement value includes but is not limited to TDOA and AOA.
- the LMF generates an estimated position of the UE based on the corrected first positioning measurement value.
- an embodiment of the present application provides a positioning correction device. As shown in FIG. 7, it at least includes an error generating unit 701 and a sending unit 702, wherein,
- the error generating unit 701 is configured to generate an ECP according to the reference information
- the sending unit 702 is configured to send the ECP to a second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
- the ECP is generated according to the reference information, and the error generating unit 701 is configured to:
- the IM reference device and the target device are in the coverage area of the same base station.
- the error generating unit 701 is further configured to:
- the second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
- the positioning reference signal is an uplink positioning reference signal
- the positioning reference signal is a downlink positioning reference signal.
- the ECP includes at least:
- the ECP is sent to the second device, and the sending unit 702 is configured to:
- the ECP is sent to the second device through a specific network interface.
- the first device is a serving base station or a non-serving base station
- the second device is the LMF
- the specific network interface is NRPPa or LPPa
- the non-serving base station is used to assist the serving base station A base station that provides location services
- the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,
- the specific network interface is one of NRPPa, LPPa, LPP, or RRC.
- the reference information is assistance data sent by a reference base station
- the target device is within the coverage area of the reference base station.
- the first device and the second device are both the LMF.
- an embodiment of the present application also provides a positioning correction method for a target device, which is applied to a second device and includes at least a correction unit 801 and a positioning unit 802, wherein:
- the correction unit 801 is configured to correct the first positioning measurement value of the target device according to the ECP sent by the first device;
- the positioning unit 802 is configured to generate an estimated position of the target device based on the corrected first positioning measurement value.
- correction unit 801 is further configured to:
- ECPs sent by multiple first devices are received, based on each ECP, a corresponding reference ECP is generated;
- the first positioning measurement value of the target device is corrected.
- a corresponding reference ECP is generated, and the correction unit 801 is configured to:
- each ECP is the correction value of the second positioning measurement value or the error range of the second positioning measurement value, then the average or weighted average of the various ECPs is used as the reference ECP; or,
- each ECP is for judging whether the estimated position of the integrity monitoring IM reference device meets the preset integrity monitoring condition, then perform a logical AND operation or a logical OR operation on each ECP, and use the calculation result as the reference ECP.
- an embodiment of the present application further provides a first device.
- the first device 900 may at least include a processor 901, a memory 902, and a transceiver 903.
- the memory 902 is used to store computer programs
- the transceiver 903 is configured to send and receive data under the control of the processor
- the processor 901 is configured to read the computer program in the memory and perform the following operations:
- the ECP is sent to the second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
- the processor 901 is specifically configured to:
- the IM reference device and the target device are in the coverage area of the same base station.
- processor 901 is further configured to:
- the first device Before the first device generates the ECP, receiving the estimated position of the IM reference device generated by the LMF according to the second positioning measurement value;
- the second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
- the positioning reference signal is an uplink positioning reference signal
- the positioning reference signal is a downlink positioning reference signal.
- the ECP includes at least:
- the processor 901 is specifically configured to:
- the ECP is sent to the second device through a specific network interface.
- the first device is a serving base station or a non-serving base station
- the second device is the LMF
- the specific network interface is NRPPa or LPPa
- the non-serving base station is used to assist the Serving base station A base station that provides location services
- the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,
- the specific network interface is one of NRPPa, LPPa, LPP, or RRC.
- the reference information is assistance data sent by a reference base station
- the target device is within the coverage area of the reference base station.
- the first device and the second device are both the LMF.
- the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 901 and various circuits of the memory represented by the memory 902 are linked together.
- the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
- the bus interface provides the interface.
- the transceiver 903 may be multiple elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on transmission media. These transmission media include transmission media such as wireless channels, wired channels, and optical cables.
- the processor 901 is responsible for managing the bus architecture and general processing, and the memory 902 can store data used by the processor 901 when performing operations.
- the processor 901 may be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device, CPLD), the processor can also adopt a multi-core architecture.
- CPU central processing unit
- ASIC application specific integrated circuit
- FPGA field programmable gate array
- CPLD complex programmable logic device
- an embodiment of the present application further provides a second device.
- the second device 1000 may at least include a processor 1001, a memory 1002, and a transceiver 1003.
- the memory 1002 is used to store computer programs
- the transceiver 1003 is configured to send and receive data under the control of the processor
- the processor 1001 is configured to read the computer program in the memory and perform the following operations:
- an estimated position of the target device is generated.
- the processor 1001 is further configured to:
- ECPs sent by multiple first devices are received, based on each ECP, a corresponding reference ECP is generated;
- the first positioning measurement value of the target device is corrected.
- the processor 1001 is specifically configured to:
- each ECP is the correction value of the second positioning measurement value or the error range of the second positioning measurement value, then the average or weighted average of the various ECPs is used as the reference ECP; or,
- each ECP is for judging whether the estimated position of the integrity monitoring IM reference device meets the preset integrity monitoring condition, then perform a logical AND operation or a logical OR operation on each ECP, and use the calculation result as the reference ECP.
- the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1001 and various circuits of the memory represented by the memory 1002 are linked together.
- the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
- the bus interface provides the interface.
- the transceiver 1003 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium. These transmission media include transmission media such as wireless channels, wired channels, and optical cables.
- the processor 1001 is responsible for managing the bus architecture and general processing, and the memory 1002 can store data used by the processor 1001 when performing operations.
- the processor 1001 may be a CPU, ASIC, FPGA or CPLD, and the processor may also adopt a multi-core architecture.
- various aspects of the positioning correction method provided in this application can also be implemented in the form of a program product, which includes program code.
- the program product runs on a computer device, the program code is used to make the computer
- the device executes the steps in the positioning correction method according to various exemplary embodiments of the present application described above in this specification.
- the embodiment of the present application provides a computer-readable storage medium, which includes program code.
- the program product runs on a computer
- the program code is used to make the computer execute any of the above-mentioned positioning correction methods or to target a target.
- the steps of the device positioning correction method are used to make the computer execute any of the above-mentioned positioning correction methods or to target a target.
- the readable medium may be a readable signal medium or a readable storage medium.
- the readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or a combination of any of the above. More specific examples (non-exhaustive list) of readable storage media include: electrical connections with one or more wires, portable disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable Type programmable read only memory (EPROM or flash memory), optical fiber, portable compact disk read only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above.
- the program product for business control of the embodiment of the present application may adopt a portable compact disk read-only memory (CD-ROM) and include program code, and may be run on a computing device.
- CD-ROM portable compact disk read-only memory
- the program product of this application is not limited to this.
- the readable storage medium can be any tangible medium that contains or stores a program, and the program can be used by or combined with a command execution system, device, or device.
- the readable signal medium may include a data signal propagated in baseband or as a part of a carrier wave, and readable program code is carried therein. This propagated data signal can take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
- the readable signal medium may also be any readable medium other than a readable storage medium, and the readable medium may send, propagate, or transmit a program for use by or in combination with the command execution system, apparatus, or device.
- the program code contained on the readable medium can be transmitted by any suitable medium, including but not limited to wireless, wired, optical cable, RF, etc., or any suitable combination of the foregoing.
- the program code used to perform the operations of this application can be written in any combination of one or more programming languages.
- Programming languages include object-oriented programming languages—such as Java, C++, etc., as well as conventional procedural programming. Language-such as "C" language or similar programming language.
- the program code can be executed entirely on the user computing device, partly executed on the user equipment, executed as an independent software package, partly executed on the user computing device and partly executed on the remote computing device, or entirely on the remote computing device or server Executed on.
- the remote computing device may be connected to a user computing device through any kind of network including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computing device (for example, using an Internet service provider to Connect via the Internet).
- LAN local area network
- WAN wide area network
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Abstract
The present application relates to the technical field of communications, and provides a positioning correction method and apparatus, for improving positioning precision and positioning accuracy. The method comprises: a first device first generates an error correction parameter (ECP) according to reference information; the first device then sends the ECP to a second device so that the second device performs positioning on a target device on the basis of a first positioning measured value of the target device subjected to ECP correction. The first device generates an ECP according to reference information and the second device performs correction according to a first positioning measured value of the ECP to the target device, so that the positioning precision and positioning accuracy are improved.
Description
相关申请的交叉引用Cross-references to related applications
本申请要求在2020年04月28日提交中国专利局、申请号为202010348646.4、申请名称为“一种定位校正方法及装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。This application claims the priority of a Chinese patent application filed with the Chinese Patent Office, the application number is 202010348646.4, and the application name is "a positioning correction method and device" on April 28, 2020, the entire content of which is incorporated into this application by reference .
本申请涉及通信技术领域,提供了一种定位校正方法及装置。This application relates to the field of communication technology, and provides a positioning correction method and device.
随着科技的发展,自动驾驶、工业物联网等技术在实际生活中的应用,越来越多的终端设备采用基站定位的方式,确定自身的位置信息。With the development of science and technology and the application of technologies such as autonomous driving and industrial Internet of Things in real life, more and more terminal devices adopt the method of base station positioning to determine their own location information.
具体地,基站根据接收终端设备的定位参考信号,或者向终端设备发送定位参考信号,获取与所述终端设备相关的测量值,并将测量值发送到定位管理功能实体(Location Management Function,LMF)中进行位置计算。Specifically, the base station receives the positioning reference signal of the terminal device or sends the positioning reference signal to the terminal device, obtains the measurement value related to the terminal device, and sends the measurement value to the location management function entity (Location Management Function, LMF) Calculate the position in the process.
但采用上述方法计算得到的位置信息,其定位精度较低,影响定位准确性。有鉴于此,本申请实施例中提出了一种定位校正方法及装置。However, the position information calculated by the above method has low positioning accuracy, which affects the positioning accuracy. In view of this, a positioning correction method and device are proposed in the embodiments of the present application.
发明内容Summary of the invention
本申请实施例提供了一种定位校正方法及装置,用以提高定位精度和定位准确率。The embodiments of the present application provide a positioning correction method and device to improve positioning accuracy and positioning accuracy.
本申请实施例提供的一种定位校正方法,应用于第一设备,包括:A positioning correction method provided by an embodiment of the present application, applied to a first device, includes:
第一设备根据参考信息,生成误差校正参数(Error Correction Parameter,ECP);The first device generates an error correction parameter (Error Correction Parameter, ECP) according to the reference information;
所述第一设备将所述ECP发送给第二设备,以使所述第二设备基于由所述ECP校正后的目标设备的第一定位测量值,对所述目标设备进行定位。The first device sends the ECP to the second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
可选的,所述第一设备根据参考信息,生成ECP,包括:Optionally, the first device generating the ECP according to the reference information includes:
第一设备根据IM参考设备的预估位置与实际位置之间的差值,生成ECP;The first device generates an ECP according to the difference between the estimated position of the IM reference device and the actual position;
其中,所述IM参考设备与所述目标设备处于同一基站的覆盖范围内。Wherein, the IM reference device and the target device are in the coverage area of the same base station.
可选的,在第一设备生成ECP之前,进一步包括:Optionally, before the first device generates the ECP, it further includes:
所述第一设备接收LMF根据第二定位测量值生成的所述IM参考设备的预估位置;Receiving, by the first device, the estimated position of the IM reference device generated by the LMF according to the second positioning measurement value;
其中,所述第二定位测量值是基站根据接收到的所述IM参考设备的定位参考信号或向所述IM参考设备发送的定位参考信号确定的。The second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
可选的,若所述第一设备是所述基站,且参考设备是所述IM参考设备,则所述定位参考信号是上行定位参考信号;或者,Optionally, if the first device is the base station and the reference device is the IM reference device, the positioning reference signal is an uplink positioning reference signal; or,
若所述第一设备是所述IM参考设备,且参考设备是所述IM参考设备,则所述定位参考信号是下行定位参考信号。If the first device is the IM reference device and the reference device is the IM reference device, the positioning reference signal is a downlink positioning reference signal.
可选的,所述ECP至少包括:Optionally, the ECP includes at least:
所述第二定位测量值的校正值;The correction value of the second positioning measurement value;
所述第二定位测量值的误差范围;The error range of the second positioning measurement value;
判断所述IM参考设备的预估位置是否符合预设完好性监测条件。It is determined whether the estimated position of the IM reference device meets the preset integrity monitoring condition.
可选的,所述第一设备将所述ECP发送给第二设备,包括:Optionally, the sending of the ECP to the second device by the first device includes:
所述第一设备通过特定网络接口,将所述ECP发送给所述第二设备。The first device sends the ECP to the second device through a specific network interface.
可选的,包括:Optional, include:
若所述第一设备是服务基站或者非服务基站,第二设备是所述LMF,则所述特定网络接口为新空口定位协议接口(New Radio Positioning Protocol Annex,NRPPa)或者长期演进定位协议接口(Long Term Evolution Positioning Protocol Annex,LPPa),所述非服务基站是用于辅助所述服务基站提供定位服务的基站;或者,If the first device is a serving base station or a non-serving base station, and the second device is the LMF, the specific network interface is a New Radio Positioning Protocol Annex (NRPPa) or a long-term evolution positioning protocol interface ( Long Term Evolution Positioning Protocol Annex, LPPa), the non-serving base station is a base station used to assist the serving base station to provide positioning services; or,
若所述第一设备是所述非服务基站,第二设备是所述服务基站,则所述非服务基站通过X2或者Xn,将所述ECP发送给所述服务基站;或者,If the first device is the non-serving base station and the second device is the serving base station, the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,
若所述第一设备是所述IM参考设备,第二设备是所述LMF或用户设备 UE,则所述特定网络接口为NRPPa、LPPa、LPP或者(Radio Resource Control,RRC)中的一种。If the first device is the IM reference device and the second device is the LMF or user equipment UE, the specific network interface is one of NRPPa, LPPa, LPP, or (Radio Resource Control, RRC).
可选的,所述参考信息为参考基站发送的辅助数据;Optionally, the reference information is assistance data sent by a reference base station;
所述目标设备处于所述参考基站的覆盖范围内。The target device is within the coverage area of the reference base station.
可选的,所述第一设备和所述第二设备均为所述LMF。Optionally, the first device and the second device are both the LMF.
第二方面,本申请实施例还提供了一种针对目标设备的定位校正方法,应用于第二设备,包括:In the second aspect, an embodiment of the present application also provides a positioning correction method for a target device, which is applied to a second device, and includes:
第二设备根据第一设备发送的ECP,校正目标设备的第一定位测量值;The second device corrects the first positioning measurement value of the target device according to the ECP sent by the first device;
所述第二设备基于校正后的第一定位测量值,生成所述目标设备的预估位置。The second device generates the estimated position of the target device based on the corrected first positioning measurement value.
可选的,进一步包括:Optionally, it further includes:
若所述第二设备接收到多个第一设备发送的ECP,则所述第二设备基于各个ECP,生成对应的参考ECP;If the second device receives ECPs sent by multiple first devices, the second device generates a corresponding reference ECP based on each ECP;
所述第二设备根据所述参考ECP,校正所述目标设备的第一定位测量值。The second device corrects the first positioning measurement value of the target device according to the reference ECP.
可选的,所述第二设备基于各个ECP,生成对应的参考ECP,包括:Optionally, the second device generates a corresponding reference ECP based on each ECP, including:
若所述各个ECP均为第二定位测量值的校正值或者所述第二定位测量值的误差范围,则所述第二设备将所述各个ECP的平均值或者加权平均值,作为所述参考ECP;或者,If each ECP is the correction value of the second positioning measurement value or the error range of the second positioning measurement value, the second device uses the average value or weighted average value of each ECP as the reference ECP; or,
若所述各个ECP均为判断IM参考设备的预估位置是否符合预设完好性监测条件,则所述第二设备对所述各个ECP执行逻辑与操作或者逻辑或操作,并将计算结果作为所述参考ECP。If each ECP is to determine whether the estimated position of the IM reference device meets the preset integrity monitoring condition, the second device performs a logical AND operation or a logical OR operation on each ECP, and uses the calculation result as the all Refer to ECP for the description.
第三方面,本申请实施例还提供了一种定位校正装置,应用于第一设备,包括:In a third aspect, an embodiment of the present application also provides a positioning correction device, which is applied to the first device, and includes:
误差生成单元,用于根据参考信息,生成ECP;The error generating unit is used to generate ECP according to the reference information;
发送单元,用于将所述ECP发送给第二设备,以使所述第二设备基于由所述ECP校正后的目标设备的第一定位测量值,对所述目标设备进行定位。The sending unit is configured to send the ECP to a second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
可选的,根据参考信息,生成ECP,所述误差生成单元用于:Optionally, the ECP is generated according to the reference information, and the error generating unit is configured to:
根据IM参考设备的预估位置与实际位置之间的差值,生成ECP;Generate ECP based on the difference between the estimated position of the IM reference device and the actual position;
其中,所述IM参考设备与所述目标设备处于同一基站的覆盖范围内。Wherein, the IM reference device and the target device are in the coverage area of the same base station.
可选的,在生成ECP之前,所述误差生成单元进一步用于:Optionally, before generating the ECP, the error generating unit is further configured to:
接收LMF根据第二定位测量值生成的所述IM参考设备的预估位置;Receiving the estimated position of the IM reference device generated by the LMF according to the second positioning measurement value;
其中,所述第二定位测量值是基站根据接收到的所述IM参考设备的定位参考信号或向所述IM参考设备发送的定位参考信号确定的。The second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
可选的,若所述第一设备是所述基站,且参考设备是所述IM参考设备,则所述定位参考信号是上行定位参考信号;或者,Optionally, if the first device is the base station and the reference device is the IM reference device, the positioning reference signal is an uplink positioning reference signal; or,
若所述第一设备是所述IM参考设备,且参考设备是所述IM参考设备,则所述定位参考信号是下行定位参考信号。If the first device is the IM reference device and the reference device is the IM reference device, the positioning reference signal is a downlink positioning reference signal.
可选的,所述ECP至少包括:Optionally, the ECP includes at least:
所述第二定位测量值的校正值;The correction value of the second positioning measurement value;
所述第二定位测量值的误差范围;The error range of the second positioning measurement value;
判断所述IM参考设备的预估位置是否符合预设完好性监测条件。It is determined whether the estimated position of the IM reference device meets the preset integrity monitoring condition.
可选的,将所述ECP发送给第二设备,所述发送单元用于:Optionally, the ECP is sent to the second device, and the sending unit is configured to:
通过特定网络接口,将所述ECP发送给所述第二设备。The ECP is sent to the second device through a specific network interface.
可选的,若所述第一设备是服务基站或者非服务基站,第二设备是所述LMF,则所述特定网络接口为NRPPa或者LPPa,所述非服务基站是用于辅助所述服务基站提供定位服务的基站;或者,Optionally, if the first device is a serving base station or a non-serving base station, and the second device is the LMF, the specific network interface is NRPPa or LPPa, and the non-serving base station is used to assist the serving base station A base station that provides location services; or,
若所述第一设备是所述非服务基站,第二设备是所述服务基站,则所述非服务基站通过X2或者Xn,将所述ECP发送给所述服务基站;或者,If the first device is the non-serving base station and the second device is the serving base station, the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,
若所述第一设备是所述IM参考设备,第二设备是所述LMF或用户设备UE,则所述特定网络接口为NRPPa、LPPa、LPP或者RRC中的一种。If the first device is the IM reference device and the second device is the LMF or user equipment UE, the specific network interface is one of NRPPa, LPPa, LPP, or RRC.
可选的,所述参考信息为参考基站发送的辅助数据;Optionally, the reference information is assistance data sent by a reference base station;
所述目标设备处于所述参考基站的覆盖范围内。The target device is within the coverage area of the reference base station.
可选的,所述第一设备和所述第二设备均为所述LMF。Optionally, the first device and the second device are both the LMF.
第四方面,本申请实施例还提供了一种针对目标设备的定位校正方法, 应用于第二设备,包括:In a fourth aspect, an embodiment of the present application also provides a positioning correction method for a target device, which is applied to a second device, and includes:
校正单元,用于根据第一设备发送的误差校正参数ECP,校正目标设备的第一定位测量值;The correction unit is configured to correct the first positioning measurement value of the target device according to the error correction parameter ECP sent by the first device;
定位单元,用于基于校正后的第一定位测量值,生成所述目标设备的预估位置。The positioning unit is configured to generate an estimated position of the target device based on the corrected first positioning measurement value.
可选的,所述校正单元进一步用于:Optionally, the correction unit is further configured to:
若接收到多个第一设备发送的ECP,则基于各个ECP,生成对应的参考ECP;If ECPs sent by multiple first devices are received, based on each ECP, a corresponding reference ECP is generated;
根据所述参考ECP,校正所述目标设备的第一定位测量值。According to the reference ECP, the first positioning measurement value of the target device is corrected.
可选的,基于各个ECP,生成对应的参考ECP,所述校正单元用于:Optionally, based on each ECP, a corresponding reference ECP is generated, and the correction unit is configured to:
若所述各个ECP均为第二定位测量值的校正值或者所述第二定位测量值的误差范围,则将所述各个ECP的平均值或者加权平均值,作为所述参考ECP;或者,If each ECP is the correction value of the second positioning measurement value or the error range of the second positioning measurement value, then the average or weighted average of the various ECPs is used as the reference ECP; or,
若所述各个ECP均为判断IM参考设备的预估位置是否符合预设完好性监测条件,则对所述各个ECP执行逻辑与操作或者逻辑或操作,并将计算结果作为所述参考ECP。If each ECP is to determine whether the estimated position of the IM reference device meets the preset integrity monitoring condition, a logical AND operation or a logical OR operation is performed on each ECP, and the calculation result is used as the reference ECP.
第五方面,本申请实施例提供的一种第一设备,包括处理器、存储器和收发机;In the fifth aspect, a first device provided by an embodiment of the present application includes a processor, a memory, and a transceiver;
存储器,用于存储计算机程序;Memory, used to store computer programs;
收发机,用于在所述处理器的控制下收发数据;A transceiver, used to send and receive data under the control of the processor;
处理器,用于读取所述存储器中的计算机程序并执行以下操作:The processor is configured to read the computer program in the memory and perform the following operations:
根据参考信息,生成ECP;Generate ECP based on reference information;
将所述ECP发送给第二设备,以使所述第二设备基于由所述ECP校正后的目标设备的第一定位测量值,对所述目标设备进行定位。The ECP is sent to the second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
可选的,所述处理器具体用于:Optionally, the processor is specifically configured to:
根据IM参考设备的预估位置与实际位置之间的差值,生成ECP;Generate ECP based on the difference between the estimated position of the IM reference device and the actual position;
其中,所述IM参考设备与所述目标设备处于同一基站的覆盖范围内。Wherein, the IM reference device and the target device are in the coverage area of the same base station.
可选的,所述处理器还用于:Optionally, the processor is further configured to:
在第一设备生成ECP之前,接收定位管理功能实体LMF根据第二定位测量值生成的所述IM参考设备的预估位置;Before the first device generates the ECP, receiving the estimated position of the IM reference device generated by the positioning management function entity LMF according to the second positioning measurement value;
其中,所述第二定位测量值是基站根据接收到的所述IM参考设备的定位参考信号或向所述IM参考设备发送的定位参考信号确定的。Wherein, the second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
可选的,若所述第一设备是所述基站,且参考设备是所述IM参考设备,则所述定位参考信号是上行定位参考信号;或者,Optionally, if the first device is the base station and the reference device is the IM reference device, the positioning reference signal is an uplink positioning reference signal; or,
若所述第一设备是所述IM参考设备,且参考设备是所述IM参考设备,则所述定位参考信号是下行定位参考信号。If the first device is the IM reference device and the reference device is the IM reference device, the positioning reference signal is a downlink positioning reference signal.
可选的,所述ECP至少包括:Optionally, the ECP includes at least:
所述第二定位测量值的校正值;The correction value of the second positioning measurement value;
所述第二定位测量值的误差范围;The error range of the second positioning measurement value;
判断所述IM参考设备的预估位置是否符合预设完好性监测条件。It is determined whether the estimated position of the IM reference device meets the preset integrity monitoring condition.
可选的,所述处理器具体用于:Optionally, the processor is specifically configured to:
通过特定网络接口,将所述ECP发送给所述第二设备。The ECP is sent to the second device through a specific network interface.
可选的,若所述第一设备是服务基站或者非服务基站,所述第二设备是所述LMF,则所述特定网络接口为NRPPa或者LPPa,所述非服务基站是用于辅助所述服务基站提供定位服务的基站;或者,Optionally, if the first device is a serving base station or a non-serving base station, and the second device is the LMF, then the specific network interface is NRPPa or LPPa, and the non-serving base station is used to assist the Serving base station A base station that provides location services; or,
若所述第一设备是所述非服务基站,所述第二设备是所述服务基站,则所述非服务基站通过X2或者Xn,将所述ECP发送给所述服务基站;或者,If the first device is the non-serving base station and the second device is the serving base station, the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,
若所述第一设备是所述IM参考设备,所述第二设备是所述LMF或用户设备UE,则所述特定网络接口为NRPPa、LPPa、LPP或者RRC中的一种。If the first device is the IM reference device and the second device is the LMF or user equipment UE, the specific network interface is one of NRPPa, LPPa, LPP, or RRC.
可选的,所述参考信息为参考基站发送的辅助数据;Optionally, the reference information is assistance data sent by a reference base station;
所述目标设备处于所述参考基站的覆盖范围内。The target device is within the coverage area of the reference base station.
可选的,所述第一设备和所述第二设备均为所述LMF。Optionally, the first device and the second device are both the LMF.
第六方面,本申请实施例提供的一种第二设备,包括处理器、存储器和收发机;In a sixth aspect, a second device provided by an embodiment of the present application includes a processor, a memory, and a transceiver;
存储器,用于存储计算机程序;Memory, used to store computer programs;
收发机,用于在所述处理器的控制下收发数据;A transceiver, used to send and receive data under the control of the processor;
处理器,用于读取所述存储器中的计算机程序并执行以下操作:The processor is configured to read the computer program in the memory and perform the following operations:
根据第一设备发送的ECP,校正目标设备的第一定位测量值;Correct the first positioning measurement value of the target device according to the ECP sent by the first device;
基于校正后的第一定位测量值,生成所述目标设备的预估位置。Based on the corrected first positioning measurement value, an estimated position of the target device is generated.
可选的,所述处理器还用于:Optionally, the processor is further configured to:
若接收到多个第一设备发送的ECP,则基于各个ECP,生成对应的参考ECP;If ECPs sent by multiple first devices are received, based on each ECP, a corresponding reference ECP is generated;
根据所述参考ECP,校正所述目标设备的第一定位测量值。According to the reference ECP, the first positioning measurement value of the target device is corrected.
可选的,所述处理器具体用于:Optionally, the processor is specifically configured to:
若所述各个ECP均为第二定位测量值的校正值或者所述第二定位测量值的误差范围,则将所述各个ECP的平均值或者加权平均值,作为所述参考ECP;或者,If each ECP is the correction value of the second positioning measurement value or the error range of the second positioning measurement value, then the average or weighted average of the various ECPs is used as the reference ECP; or,
若所述各个ECP均为判断IM参考设备的预估位置是否符合预设完好性监测条件,则对所述各个ECP执行逻辑与操作或者逻辑或操作,并将计算结果作为所述参考ECP。If each ECP is to determine whether the estimated position of the IM reference device meets the preset integrity monitoring condition, a logical AND operation or a logical OR operation is performed on each ECP, and the calculation result is used as the reference ECP.
第七方面,本申请实施例提供一种计算机可读存储介质,其包括程序代码,当所述程序产品在计算机上运行时,所述程序代码用于使所述计算机执行上述任意一种定位校正方法或者针对目标设备的定位校正方法的步骤。In a seventh aspect, an embodiment of the present application provides a computer-readable storage medium, which includes program code. When the program product runs on a computer, the program code is used to make the computer perform any of the above-mentioned positioning corrections. The method or the steps of the positioning correction method for the target device.
本申请有益效果如下:The beneficial effects of this application are as follows:
本申请实施例提供的定位校正方法及装置,该方法包括第一设备先根据参考信息,生成ECP;第一设备再将ECP发送给第二设备,以使第二设备基于由ECP校正后的目标设备的第一定位测量值,对目标设备进行定位。第一设备根据参考信息生成ECP,第二设备根据ECP对目标设备的第一定位测量值进行校正,以提高定位精度和定位准确率。The positioning correction method and device provided in the embodiments of the present application include the first device first generating an ECP based on the reference information; the first device then sends the ECP to the second device, so that the second device is based on the target corrected by the ECP The first positioning measurement value of the device to locate the target device. The first device generates the ECP according to the reference information, and the second device corrects the first positioning measurement value of the target device according to the ECP to improve positioning accuracy and positioning accuracy.
本申请的其它特征和优点将在随后的说明书中阐述,并且,部分地从说明书中变得显而易见,或者通过实施本申请而了解。本申请的目的和其他优 点可通过在所写的说明书、权利要求书、以及附图中所特别指出的结构来实现和获得。Other features and advantages of the present application will be described in the following description, and partly become obvious from the description, or understood by implementing the present application. The purpose and other advantages of this application can be realized and obtained through the structure specified in the written description, claims, and drawings.
此处所说明的附图用来提供对本申请的进一步理解,构成本申请的一部分,本申请的示意性实施例及其说明用于解释本申请,并不构成对本申请的不当限定。在附图中:The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The exemplary embodiments and descriptions of the application are used to explain the application, and do not constitute an improper limitation of the application. In the attached picture:
图1为本申请实施例的一种定位校正方法的流程示意图;FIG. 1 is a schematic flowchart of a positioning correction method according to an embodiment of the application;
图2a为具体实施例一的架构示意图;Figure 2a is a schematic diagram of the architecture of the first embodiment;
图2b为具体实施例一的定位校正的流程示意图;FIG. 2b is a schematic diagram of the positioning correction process in the first embodiment; FIG.
图3a为具体实施例二的架构示意图;Figure 3a is a schematic diagram of the architecture of the second embodiment;
图3b为具体实施例二的定位校正的流程示意图;FIG. 3b is a schematic flowchart of the positioning correction in the second embodiment;
图4a为具体实施例三的架构示意图;FIG. 4a is a schematic diagram of the architecture of the third embodiment;
图4b为具体实施例三的定位校正的流程示意图;FIG. 4b is a schematic flowchart of the positioning correction in the third embodiment;
图5a为具体实施例四的架构示意图;FIG. 5a is a schematic diagram of the architecture of the fourth embodiment;
图5b为具体实施例四的定位校正的流程示意图;FIG. 5b is a schematic diagram of the positioning correction process of the fourth embodiment;
图6为具体实施例五的定位校正的流程示意图;FIG. 6 is a schematic flow diagram of positioning correction in specific embodiment 5;
图7为本申请实施例中的一种定位校正装置的结构示意图;FIG. 7 is a schematic structural diagram of a positioning correction device in an embodiment of the application;
图8为本申请实施例中的一种针对目标设备的定位校正装置的结构示意图;FIG. 8 is a schematic structural diagram of a positioning correction device for a target device in an embodiment of the application;
图9为本申请实施例中的一种第一设备的组成结构示意图;FIG. 9 is a schematic diagram of the composition structure of a first device in an embodiment of the application;
图10为本申请实施例中的一种第二设备的组成结构示意图。FIG. 10 is a schematic diagram of the composition structure of a second device in an embodiment of the application.
为使本申请实施例的目的、技术方案和优点更加清楚,下面将结合本申请实施例中的附图,对本申请的技术方案进行清楚、完整地描述,显然,所描述的实施例是本申请技术方案的一部分实施例,而不是全部的实施例。基 于本申请文件中记载的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请技术方案保护的范围。为了解决定位精度低、定位准确率差的问题,参阅图1所示,本申请实施例中提供了一种定位校正方法,采用该方法进行定位校正的过程如下:In order to make the purpose, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions of the present application will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are of the present application. Part of the embodiments of the technical solution, but not all of the embodiments. Based on the embodiments described in the application documents, all other embodiments obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of the technical solution of the application. In order to solve the problems of low positioning accuracy and poor positioning accuracy, referring to FIG. 1, an embodiment of the present application provides a positioning correction method, and the process of using this method to perform positioning correction is as follows:
S101:第一设备根据参考信息,生成ECP;S101: The first device generates an ECP according to the reference information;
S102:第一设备将ECP发送给第二设备;S102: The first device sends the ECP to the second device;
S103:第二设备根据第一设备发送的ECP,校正目标设备的第一定位测量值;S103: The second device corrects the first positioning measurement value of the target device according to the ECP sent by the first device;
S104:第二设备基于校正后的第一定位测量值,生成目标设备的预估位置。S104: The second device generates an estimated position of the target device based on the corrected first positioning measurement value.
本申请实施例的目标设备是提出定位需求的用户设备(User Equipment,UE);参考信息可为完整性监测(Integrity Monitoring,IM)参考设备的预估位置与实际位置之间的差值,和参考基站发送的辅助数据两种;第一设备包括服务基站、非服务基站、IM参考设备和LMF;第二设备包括LMF、服务基站和UE。其中,对于目标设备来说,其与IM参考设备处于同一基站的覆盖范围内,或者,其处于参考基站的覆盖范围内。以下提供了几种具体实施例,详细描述了采用不同的第一设备、第二设备和参考信息,对UE进行定位校正的过程。The target device in the embodiment of this application is User Equipment (UE) that proposes positioning requirements; the reference information may be the difference between the estimated position and the actual position of the Integrity Monitoring (IM) reference device, and There are two types of assistance data sent by the reference base station; the first device includes a serving base station, a non-serving base station, an IM reference device, and an LMF; the second device includes an LMF, a serving base station, and a UE. Among them, for the target device, it is within the coverage area of the same base station as the IM reference device, or it is within the coverage area of the reference base station. Several specific embodiments are provided below, which describe in detail the process of performing positioning correction on the UE using different first devices, second devices, and reference information.
参阅图2a所示,提供了具体实施例一的架构示意图,在具体实施例一中,第一设备为服务基站和非服务基站,参考设备为IM参考设备,第二设备为LMF。在具体实施例一中,可以包含N个第一设备,N为大于1的整数,图2a中仅示出了包含两台第一设备的情况。参阅图2b所示,提供了具体实施例一的定位校正的流程示意图。Referring to FIG. 2a, a schematic diagram of the architecture of specific embodiment 1 is provided. In specific embodiment 1, the first device is a serving base station and a non-serving base station, the reference device is an IM reference device, and the second device is an LMF. In the first embodiment, N first devices may be included, and N is an integer greater than 1, and FIG. 2a only shows a case where two first devices are included. Referring to FIG. 2b, a schematic flow chart of the positioning correction according to the first embodiment is provided.
S201:IM参考设备按照获取的上行定位参考信号(Up Line Positioning Reference Signal,UL PRS)参数的配置信息,向服务基站和非服务基站发送UL PRS。S201: The IM reference device sends the UL PRS to the serving base station and the non-serving base station according to the obtained configuration information of the uplink positioning reference signal (Up Line Positioning Reference Signal, UL PRS) parameter.
IM参考设备从服务基站或者LMF中获取UL PRS参数的配置信息,所述 配置信息包括发送时频域资源、带宽、准同址(Quasi Co-Location,QCL)波束指示信息等。The IM reference device obtains UL PRS parameter configuration information from the serving base station or LMF, where the configuration information includes transmission time-frequency domain resources, bandwidth, Quasi Co-Location (QCL) beam indication information, and so on.
S202:服务基站和非服务基站,针对配置的UL PRS参数进行定位测量,得到第二定位测量值。S202: The serving base station and the non-serving base station perform positioning measurement for the configured UL PRS parameters to obtain a second positioning measurement value.
在具体实施例一中可采用的定位测量方法包括但不限于,上行到达时间差(Up Line Time Difference of Arrival,UL TDOA)定位、上行到达角度(Up Line Angel of Arrival,UL AoA)定位、增强小区ID(Enhanced-Cell Idi,E-CID)的定位方法。因此,在具体实施例一中,第二定位测量值包括但不限于TDOA、AOA。The positioning measurement methods that can be used in the first embodiment include, but are not limited to, Up Line Time Difference of Arrival (UL TDOA) positioning, Up Line Angel of Arrival (UL AoA) positioning, and cell enhancement ID (Enhanced-Cell Idi, E-CID) positioning method. Therefore, in the first embodiment, the second positioning measurement value includes but is not limited to TDOA and AOA.
S203:服务基站和非服务基站,分别基于LMF根据第二定位测量值生成的IM参考设备的预估位置,和IM参考设备的实际位置之间的差值生成ECP。S203: The serving base station and the non-serving base station respectively generate an ECP based on the difference between the estimated position of the IM reference device generated by the LMF according to the second positioning measurement value and the actual position of the IM reference device.
在具体实施例一中,所述ECP可为以下三种类型的一种:In specific embodiment 1, the ECP may be one of the following three types:
类型一:用于校正基站接收的每个UL PRS波束的第二定位测量值的校正值。Type 1: The correction value used to correct the second positioning measurement value of each UL PRS beam received by the base station.
类型二:基站接收的每个UL PRS波束的第二定位测量值的误差范围。Type 2: The error range of the second positioning measurement value of each UL PRS beam received by the base station.
例如,TDOA的误差范围是(1-3)s。For example, the error range of TDOA is (1-3)s.
类型三:判断IM参考设备的预估位置是否符合预设完好性监测条件。Type 3: Determine whether the estimated location of the IM reference device meets the preset integrity monitoring conditions.
具体地,计算IM参考设备的预估位置与实际位置之间的差值,得到IM参考设备的水平位置误差值和垂直位置误差值;Specifically, the difference between the estimated position and the actual position of the IM reference device is calculated to obtain the horizontal position error value and the vertical position error value of the IM reference device;
若水平位置误差值大于完好性水平位置阈值的概率,低于低风险要求值,且垂直位置误差值大于完好性垂直位置阈值的概率,低于低风险要求值时,判定IM参考设备的预估位置符合完好性监测条件。其中,低风险要求值指的是,定位误差超过了容忍限度的概率。If the probability that the horizontal position error value is greater than the integrity horizontal position threshold is lower than the low-risk requirement value, and the vertical position error value is greater than the probability that the integrity vertical position threshold value is lower than the low-risk requirement value, judge the estimation of the IM reference device The location meets the integrity monitoring conditions. Among them, the low-risk requirement value refers to the probability that the positioning error exceeds the tolerance limit.
若水平位置误差值超过了水平位置告警门限值,和/或,垂直位置误差值超过了垂直位置告警门限值时,表征定位误差超过了系统能够正常工作时所允许的最大水平位置/垂直位置的误差值。If the horizontal position error value exceeds the horizontal position alarm threshold, and/or the vertical position error value exceeds the vertical position alarm threshold, it means that the positioning error exceeds the maximum horizontal position/vertical allowed when the system can work normally The error value of the position.
S204:服务基站和非服务基站分别通过特定网络接口,将ECP发送给LMF。S204: The serving base station and the non-serving base station respectively send the ECP to the LMF through a specific network interface.
在具体实施例一中,特定网络接口包括但不限于:NRPPa、LPPa或者其他新定义的逻辑接口。In the first embodiment, the specific network interface includes but is not limited to: NRPPa, LPPa, or other newly defined logical interfaces.
S205:LMF根据服务基站和非服务基站发送的多个ECP,校正UE的第一定位测量值。S205: The LMF corrects the first positioning measurement value of the UE according to the multiple ECPs sent by the serving base station and the non-serving base station.
在执行步骤201之前,可根据前述记载的定位测量方法,得到UE的第一定位测量值。同样地,第一定位测量值包括但不限于TDOA、AOA。Before step 201 is performed, the first positioning measurement value of the UE may be obtained according to the positioning measurement method described above. Similarly, the first positioning measurement value includes but is not limited to TDOA and AOA.
在具体实施例一中,LMF分别接收到服务基站和非服务基站发送的ECP,则LMF基于各个ECP,先生成对应的参考ECP;再根据参考ECP,校正UE的第一定位测量值。In the first embodiment, the LMF receives the ECPs sent by the serving base station and the non-serving base station respectively, and the LMF first generates a corresponding reference ECP based on each ECP; and then corrects the UE's first positioning measurement value according to the reference ECP.
具体地,不同的ECP类型,生成参考ECP的方式也有所不同。Specifically, different ECP types have different ways of generating reference ECPs.
针对类型一和类型二的ECP,LMF将各个ECP的平均值或者加权平均值,作为参考ECP;For Type 1 and Type 2 ECPs, LMF uses the average or weighted average of each ECP as the reference ECP;
针对类型三的ECP,LMF对各个ECP执行逻辑与或者逻辑或操作,并将计算结果作为参考ECP。For type three ECP, the LMF performs a logical AND or logical OR operation on each ECP, and uses the calculation result as the reference ECP.
若LMF接收到不符合完好性监测条件的ECP,也会根据所述ECP对第一定位测量值进行校正,并基于校正后的第一定位测量值,生成UE的预估位置,由于此时的定位误差超过了系统能够正常工作时所允许的最大水平位置/垂直位置的误差值,因此,系统会向UE发出告警信号,告知此时的定位结果可信度很低。If the LMF receives an ECP that does not meet the integrity monitoring conditions, it will also correct the first positioning measurement value according to the ECP, and generate the estimated position of the UE based on the corrected first positioning measurement value. The positioning error exceeds the maximum allowable horizontal position/vertical position error value when the system can work normally. Therefore, the system will send an alarm signal to the UE to inform that the reliability of the positioning result at this time is very low.
S206:LMF基于校正后的第一定位测量值,生成UE的预估位置。S206: The LMF generates an estimated position of the UE based on the corrected first positioning measurement value.
参阅图3a所示,提供了具体实施例二的架构示意图,在具体实施例二中,第一设备为服务基站和非服务基站,参考设备为IM参考设备,第二设备为服务基站。在具体实施例二中,可以包含N个第一设备,N为大于1的整数,图3a中仅示出了包含两台第一设备的情况。参阅图3b所示,提供了具体实施例二的定位校正的流程示意图。Referring to Figure 3a, a schematic diagram of the architecture of the second embodiment is provided. In the second embodiment, the first device is a serving base station and a non-serving base station, the reference device is an IM reference device, and the second device is a serving base station. In the second specific embodiment, N first devices may be included, and N is an integer greater than 1, and FIG. 3a only shows a case where two first devices are included. Referring to FIG. 3b, a schematic flowchart of the positioning correction of the second embodiment is provided.
S301:IM参考设备按照获取的UL PRS参数的配置信息,向服务基站和非服务基站发送UL PRS。S301: The IM reference device sends the UL PRS to the serving base station and the non-serving base station according to the acquired UL PRS parameter configuration information.
S302:服务基站和非服务基站,针对配置的UL PRS参数进行定位测量,得到第二定位测量值。S302: The serving base station and the non-serving base station perform positioning measurement for the configured UL PRS parameters to obtain a second positioning measurement value.
S303:服务基站和非服务基站,分别基于LMF根据第二定位测量值生成的IM参考设备的预估位置,和IM参考设备的实际位置之间的差值生成ECP。S303: The serving base station and the non-serving base station respectively generate an ECP based on the difference between the estimated position of the IM reference device generated by the LMF according to the second positioning measurement value and the actual position of the IM reference device.
在具体实施例二中,所述ECP可为以下三种类型的一种:In the second embodiment, the ECP may be one of the following three types:
类型一:用于校正基站接收的每个UL PRS波束的第二定位测量值的校正值。Type 1: The correction value used to correct the second positioning measurement value of each UL PRS beam received by the base station.
类型二:基站接收的每个UL PRS波束的第二定位测量值的误差范围。Type 2: The error range of the second positioning measurement value of each UL PRS beam received by the base station.
类型三:判断IM参考设备的预估位置是否符合预设完好性监测条件。Type 3: Determine whether the estimated location of the IM reference device meets the preset integrity monitoring conditions.
S304:非服务基站通过特定网络接口,将ECP发送给服务基站。S304: The non-serving base station sends the ECP to the serving base station through a specific network interface.
在具体实施例二中,服务基站是估算UE位置的基站。特定网络接口包括但不限于,X2、Xn、其他新定义的逻辑接口,其中,X2、Xn指的是接入网设备演进型基站(Evolved Node B,eNB)或5g网络中的基站设备gNB之间的逻辑接口;同时,服务基站通过自身的内部接口,将自身计算得到的ECP发送到相应模块中,以执行后续操作。In the second specific embodiment, the serving base station is a base station that estimates the location of the UE. Specific network interfaces include, but are not limited to, X2, Xn, and other newly defined logical interfaces. X2 and Xn refer to the access network equipment Evolved Node B (eNB) or base station equipment gNB in the 5g network. At the same time, the serving base station sends the ECP calculated by itself to the corresponding module through its own internal interface to perform subsequent operations.
S305:服务基站根据自身和非服务基站发送的多个ECP,校正UE的第一定位测量值。S305: The serving base station corrects the first positioning measurement value of the UE according to multiple ECPs sent by itself and the non-serving base station.
在执行步骤301之前,可根据前述记载的定位测量方法,得到UE的第一定位测量值。同样地,第一定位测量值包括但不限于TDOA、AOA。Before performing step 301, the first positioning measurement value of the UE may be obtained according to the positioning measurement method described above. Similarly, the first positioning measurement value includes but is not limited to TDOA and AOA.
在具体实施例二中,服务基站分别接受到自身和非服务基站发送的ECP,则服务基站基于各个ECP,先生成对应的参考ECP;再根据参考ECP,校正UE的第一定位测量值。In the second embodiment, the serving base station receives the ECPs sent by itself and the non-serving base station respectively, and the serving base station first generates a corresponding reference ECP based on each ECP; and then corrects the UE's first positioning measurement value according to the reference ECP.
具体地,不同的ECP类型,生成参考ECP的方式也有所不同。Specifically, different ECP types have different ways of generating reference ECPs.
针对类型一和类型二的ECP,服务基站将各个ECP的平均值或者加权平均值,作为参考ECP;For type 1 and type 2 ECP, the serving base station uses the average value or weighted average value of each ECP as the reference ECP;
针对类型三的ECP,服务基站对各个ECP执行逻辑与或者逻辑或操作,并将计算结果作为参考ECP。For type three ECP, the serving base station performs logical AND or logical OR operation on each ECP, and uses the calculation result as the reference ECP.
若服务基站接收到不符合完好性监测条件的ECP,也会根据所述ECP对第一定位测量值进行校正,并基于校正后的第一定位测量值,生成UE的预估位置,由于此时的定位误差超过了系统能够正常工作时所允许的最大水平位置/垂直位置的误差值,因此,系统会向UE发出告警信号,告知此时的定位结果可信度很低。If the serving base station receives an ECP that does not meet the integrity monitoring conditions, it will also correct the first positioning measurement value according to the ECP, and generate the estimated position of the UE based on the corrected first positioning measurement value. The positioning error exceeds the maximum horizontal position/vertical position error value allowed when the system can work normally. Therefore, the system will send an alarm signal to the UE to inform that the reliability of the positioning result at this time is very low.
S306:服务基站基于校正后的第一定位测量值,生成UE的预估位置。S306: The serving base station generates an estimated position of the UE based on the corrected first positioning measurement value.
参阅图4a所示,提供了具体实施例三的架构示意图,在具体实施例三中,第一设备为IM参考设备,参考设备为IM参考设备,第二设备为LMF。在具体实施例三中,可以包含N个第一设备,N为大于1的整数,图4a中仅示出了包含一台第一设备的情况。参阅图4b所示,提供了具体实施例三的定位校正的流程示意图。Referring to FIG. 4a, a schematic diagram of the architecture of the third embodiment is provided. In the third embodiment, the first device is an IM reference device, the reference device is an IM reference device, and the second device is an LMF. In the third specific embodiment, N first devices may be included, and N is an integer greater than 1, and only one first device is included in FIG. 4a. Referring to FIG. 4b, a schematic flowchart of the positioning correction of the third embodiment is provided.
S401:IM参考设备按照获取的下行定位参考信号(Down Line Positioning Reference Signal,DL PRS)参数的配置信息,向服务基站和非服务基站发送DL PRS。S401: The IM reference device sends the DL PRS to the serving base station and the non-serving base station according to the acquired downlink positioning reference signal (Down Line Positioning Reference Signal, DL PRS) parameter configuration information.
IM参考设备从服务基站或者LMF中获取DL PRS参数的配置信息,所述配置信息包括发送时频域资源、带宽、QCL波束指示信息等。The IM reference device obtains the configuration information of the DL and PRS parameters from the serving base station or the LMF, and the configuration information includes transmission time-frequency domain resources, bandwidth, QCL beam indication information, and the like.
S402:服务基站和非服务基站根据发送的DL PRS参数进行定位测量,得到第二定位测量值。S402: The serving base station and the non-serving base station perform positioning measurement according to the sent DL PRS parameters to obtain a second positioning measurement value.
在具体实施例三中可采用的定位测量方法包括但不限于,下行到达时间差(Down Line Time Difference of Arrival,DL TDOA)定位、信号到达时间(Time of Arrival,TOA)定位、参考信号接收功率(Reference Signal Receiving Power,RSRP)定位。因此,在具体实施例三中,第二定位测量值包括但不限于TDOA、TOA。The positioning measurement methods that can be used in the third embodiment include, but are not limited to, Down Line Time Difference of Arrival (DL TDOA) positioning, Time of Arrival (TOA) positioning, and reference signal received power ( Reference Signal Receiving Power (RSRP) positioning. Therefore, in the third embodiment, the second positioning measurement value includes but is not limited to TDOA and TOA.
S403:IM参考设备基于LMF根据第二定位测量值生成的IM参考设备的预估位置,和IM参考设备的实际位置之间的差值生成ECP。S403: The IM reference device generates an ECP based on the difference between the estimated position of the IM reference device generated by the LMF according to the second positioning measurement value and the actual position of the IM reference device.
在具体实施例三中,所述ECP可为以下三种类型的一种:In the third embodiment, the ECP may be one of the following three types:
类型四:用于校正基站或者传输接收点(Transmission Receiving Point, TRP)每个DL PRS波束的第二定位测量值的校正值。Type 4: The correction value used to correct the second positioning measurement value of each DL PRS beam of the base station or the transmission receiving point (Transmission Receiving Point, TRP).
类型五:基站或者TRP的每个DL PRS波束的第二定位测量值的误差范围。Type 5: The error range of the second positioning measurement value of each DL PRS beam of the base station or TRP.
类型六:判断IM参考设备的预估位置是否符合预设完好性监测条件。Type 6: Determine whether the estimated location of the IM reference device meets the preset integrity monitoring conditions.
S404:IM参考设备通过特定网络接口,将ECP发送给LMF。S404: The IM reference device sends the ECP to the LMF through a specific network interface.
在具体实施例三中,IM参考设备还可以通过特定网络接口,将ECP发送给估算UE位置的基站。特定网络接口包括但不限于NRPPa、LPPa、LPP、RRC或者其他新定义的逻辑接口。In the third embodiment, the IM reference device may also send the ECP to the base station that estimates the location of the UE through a specific network interface. Specific network interfaces include but are not limited to NRPPa, LPPa, LPP, RRC or other newly defined logical interfaces.
S405:LMF根据IM参考设备发送的ECP,校正UE的第一定位测量值。S405: The LMF corrects the first positioning measurement value of the UE according to the ECP sent by the IM reference device.
在执行步骤401之前,可根据前述记载的定位测量方法,得到UE的第一定位测量值。同样地,第一定位测量值包括但不限于TDOA、AOA。Before performing step 401, the first positioning measurement value of the UE may be obtained according to the positioning measurement method described above. Similarly, the first positioning measurement value includes but is not limited to TDOA and AOA.
在具体实施例三中,估算UE位置的基站也可以根据IM参考设备发送的ECP,校正UE的第一定位测量值。若LMF或者估算UE位置的基站接收到多个IM参考设备发送的ECP,则LMF或者估算UE位置的基站基于各个ECP,先生成对应的参考ECP;再根据参考ECP,校正UE的第一定位测量值。In the third embodiment, the base station that estimates the position of the UE may also correct the first positioning measurement value of the UE according to the ECP sent by the IM reference device. If the LMF or the base station that estimates the location of the UE receives the ECPs sent by multiple IM reference devices, the LMF or the base station that estimates the location of the UE first generates the corresponding reference ECP based on each ECP; then corrects the UE's first positioning measurement based on the reference ECP value.
具体地,不同的ECP类型,生成参考ECP的方式也有所不同。Specifically, different ECP types have different ways of generating reference ECPs.
针对类型四和类型五的ECP,LMF或者估算UE位置的基站将各个ECP的平均值或者加权平均值,作为参考ECP;For Type 4 and Type 5 ECP, LMF or the base station that estimates the location of the UE uses the average value or weighted average value of each ECP as the reference ECP;
针对类型六的ECP,LMF或者估算UE位置的基站对各个ECP执行逻辑与或者逻辑或操作,并将计算结果作为参考ECP。For type 6 ECP, LMF or the base station that estimates the location of the UE performs a logical AND or logical OR operation on each ECP, and uses the calculation result as a reference ECP.
若LMF或者估算UE位置的基站接收到不符合完好性监测条件的ECP,也会根据所述ECP对第一定位测量值进行校正,并基于校正后的第一定位测量值,生成UE的预估位置,由于此时的定位误差超过了系统能够正常工作时所允许的最大水平位置/垂直位置的误差值,因此,系统会向UE发出告警信号,告知此时的定位结果可信度很低。If the LMF or the base station that estimates the location of the UE receives an ECP that does not meet the integrity monitoring conditions, it will also correct the first positioning measurement value according to the ECP, and generate the UE's estimate based on the corrected first positioning measurement value Position, because the positioning error at this time exceeds the maximum horizontal position/vertical position error value allowed when the system can work normally, the system will send an alarm signal to the UE to inform that the reliability of the positioning result at this time is very low.
S406:LMF基于校正后的第一定位测量值,生成UE的预估位置。S406: The LMF generates an estimated position of the UE based on the corrected first positioning measurement value.
在具体实施例三中,估算UE位置的基站也可以基于校正后的第一定位测 量值,生成UE的预估位置。In the third embodiment, the base station that estimates the position of the UE may also generate the estimated position of the UE based on the corrected first positioning measurement value.
参阅图5a所示,提供了具体实施例四的架构示意图,在具体实施例四中,第一设备为IM参考设备,参考设备为IM参考设备,第二设备为UE。在具体实施例四中,可以包含N个第一设备,N为大于1的整数,图5a中仅示出了包含一台第一设备的情况。参阅图5b所示,提供了具体实施例四的定位校正的流程示意图。Referring to FIG. 5a, a schematic diagram of the architecture of the fourth embodiment is provided. In the fourth embodiment, the first device is an IM reference device, the reference device is an IM reference device, and the second device is a UE. In the fourth embodiment, N first devices may be included, and N is an integer greater than 1, and only one first device is included in FIG. 5a. Referring to FIG. 5b, a schematic flowchart of the positioning correction of the fourth embodiment is provided.
S501:IM参考设备按照获取的DL PRS参数的配置信息,向服务基站和非服务基站发送DL PRS。S501: The IM reference device sends the DL PRS to the serving base station and the non-serving base station according to the obtained configuration information of the DL PRS parameter.
IM参考设备从服务基站或者LMF中获取DL PRS参数的配置信息,所述配置信息包括发送时频域资源、带宽、QCL波束指示信息等。The IM reference device obtains the configuration information of the DL and PRS parameters from the serving base station or the LMF, and the configuration information includes transmission time-frequency domain resources, bandwidth, QCL beam indication information, and the like.
S502:服务基站和非服务基站根据发送的DL PRS参数进行定位测量,得到第二定位测量值。S502: The serving base station and the non-serving base station perform positioning measurement according to the sent DL PRS parameters to obtain a second positioning measurement value.
在具体实施例四中可采用的定位测量方法包括但不限于,DL TDOA定位、TOA定位、RSRP定位。因此,在具体实施例四中,第二定位测量值包括但不限于TDOA、TOA。The positioning measurement methods that can be used in the fourth embodiment include, but are not limited to, DL TDOA positioning, TOA positioning, and RSRP positioning. Therefore, in the fourth embodiment, the second positioning measurement value includes but is not limited to TDOA and TOA.
S503:IM参考设备基于LMF根据第二定位测量值生成的IM参考设备的预估位置,和IM参考设备的实际位置之间的差值生成ECP。S503: The IM reference device generates an ECP based on the difference between the estimated location of the IM reference device generated by the LMF according to the second positioning measurement value and the actual location of the IM reference device.
在具体实施例四中,所述ECP可为以下三种类型的一种:In the fourth embodiment, the ECP may be one of the following three types:
类型四:用于校正基站或者TRP每个DL PRS波束的第二定位测量值的校正值。Type 4: The correction value used to correct the second positioning measurement value of each DL PRS beam of the base station or TRP.
类型五:基站或者TRP的每个DL PRS波束的第二定位测量值的误差范围。Type 5: The error range of the second positioning measurement value of each DL PRS beam of the base station or TRP.
类型六:判断IM参考设备的预估位置是否符合预设完好性监测条件。Type 6: Determine whether the estimated location of the IM reference device meets the preset integrity monitoring conditions.
S504:IM参考设备通过特定网络接口,将ECP发送给LMF或者执行中转的基站,以使LMF或者执行中转的基站将ECP转发给UE。S504: The IM reference device sends the ECP to the LMF or the base station performing the transfer through a specific network interface, so that the LMF or the base station performing the transfer forwards the ECP to the UE.
在具体实施例四中,所述UE是用于估算自身位置的设备。特定网络接口包括但不限于NRPPa、LPPa、LPP、RRC或者其他新定义的逻辑接口。In the fourth embodiment, the UE is a device for estimating its own position. Specific network interfaces include but are not limited to NRPPa, LPPa, LPP, RRC or other newly defined logical interfaces.
S505:UE根据IM参考设备发送的ECP,校正UE的第一定位测量值。S505: The UE corrects the first positioning measurement value of the UE according to the ECP sent by the IM reference device.
在执行步骤501之前,可根据前述记载的定位测量方法,得到UE的第一定位测量值。同样地,第一定位测量值包括但不限于TDOA、AOA。Before step 501 is performed, the first positioning measurement value of the UE may be obtained according to the positioning measurement method described above. Similarly, the first positioning measurement value includes but is not limited to TDOA and AOA.
在具体实施例四中,若UE接收到多个IM参考设备发送的ECP,则UE基于各个ECP,先生成对应的参考ECP;再根据参考ECP,校正UE的第一定位测量值。In specific embodiment 4, if the UE receives ECPs sent by multiple IM reference devices, the UE first generates a corresponding reference ECP based on each ECP; and then corrects the UE's first positioning measurement value according to the reference ECP.
具体地,不同的ECP类型,生成参考ECP的方式也有所不同。Specifically, different ECP types have different ways of generating reference ECPs.
针对类型四和类型五的ECP,UE将各个ECP的平均值或者加权平均值,作为参考ECP;For Type 4 and Type 5 ECP, the UE uses the average value or weighted average value of each ECP as the reference ECP;
针对类型五的ECP,UE对各个ECP执行逻辑与或者逻辑或操作,并将计算结果作为参考ECP。For the type 5 ECP, the UE performs a logical AND or logical OR operation on each ECP, and uses the calculation result as a reference ECP.
若UE接收到不符合完好性监测条件的ECP,也会根据所述ECP对第一定位测量值进行校正,并基于校正后的第一定位测量值,生成UE的预估位置,由于此时的定位误差超过了系统能够正常工作时所允许的最大水平位置/垂直位置的误差值,因此,系统会向UE发出告警信号,告知此时的定位结果可信度很低。If the UE receives an ECP that does not meet the integrity monitoring conditions, it will also correct the first positioning measurement value according to the ECP, and generate the UE’s estimated position based on the corrected first positioning measurement value. The positioning error exceeds the maximum allowable horizontal position/vertical position error value when the system can work normally. Therefore, the system will send an alarm signal to the UE to inform that the reliability of the positioning result at this time is very low.
S506:UE基于校正后的第一定位测量值,生成UE的预估位置。S506: The UE generates an estimated position of the UE based on the corrected first positioning measurement value.
参阅图6所示,提供了具体实施例五的定位校正的流程示意图。Referring to FIG. 6, a schematic flowchart of the positioning correction of the fifth embodiment is provided.
S601:LMF根据参考基站发送的辅助数据,生成ECP。S601: The LMF generates an ECP according to the auxiliary data sent by the reference base station.
若UE处于至少两个基站的重合覆盖范围内时,将所述至少两个基站中的任意一个基站确定为参考基站,参考基站通过与其他基站进行线上或者线下监测,或者参考基站通过与其他基站进行信息交互,获取辅助数据。所述辅助数据包括但不限于基站间的时间偏移,或者基站发射机故障等信息。If the UE is within the overlap coverage of at least two base stations, any one of the at least two base stations is determined as a reference base station, and the reference base station performs online or offline monitoring with other base stations, or the reference base station passes and communicates with other base stations. Other base stations exchange information and obtain auxiliary data. The auxiliary data includes, but is not limited to, information such as time offsets between base stations or base station transmitter failures.
S602:LMF将ECP发送给自身。S602: The LMF sends the ECP to itself.
LMF通过自身的内部接口将ECP发送给相应模块,进行后续处理。The LMF sends the ECP to the corresponding module through its internal interface for subsequent processing.
S603:LMF根据ECP,校正UE的第一定位测量值。S603: The LMF corrects the first positioning measurement value of the UE according to the ECP.
在执行步骤601之前,可根据前述记载的定位测量方法,得到UE的第一 定位测量值。同样地,第一定位测量值包括但不限于TDOA、AOA。Before performing step 601, the first positioning measurement value of the UE may be obtained according to the positioning measurement method described above. Similarly, the first positioning measurement value includes but is not limited to TDOA and AOA.
S604:LMF基于校正后的第一定位测量值,生成UE的预估位置。S604: The LMF generates an estimated position of the UE based on the corrected first positioning measurement value.
基于同一发明构思,本申请实施例中提供了一种定位校正装置,参阅图7所示,至少包括误差生成单元701和发送单元702,其中,Based on the same inventive concept, an embodiment of the present application provides a positioning correction device. As shown in FIG. 7, it at least includes an error generating unit 701 and a sending unit 702, wherein,
误差生成单元701,用于根据参考信息,生成ECP;The error generating unit 701 is configured to generate an ECP according to the reference information;
发送单元702,用于将所述ECP发送给第二设备,以使所述第二设备基于由所述ECP校正后的目标设备的第一定位测量值,对所述目标设备进行定位。The sending unit 702 is configured to send the ECP to a second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
可选的,根据参考信息,生成ECP,所述误差生成单元701用于:Optionally, the ECP is generated according to the reference information, and the error generating unit 701 is configured to:
根据IM参考设备的预估位置与实际位置之间的差值,生成ECP;Generate ECP based on the difference between the estimated position of the IM reference device and the actual position;
其中,所述IM参考设备与所述目标设备处于同一基站的覆盖范围内。Wherein, the IM reference device and the target device are in the coverage area of the same base station.
可选的,在生成ECP之前,所述误差生成单元701进一步用于:Optionally, before generating the ECP, the error generating unit 701 is further configured to:
接收LMF根据第二定位测量值生成的所述IM参考设备的预估位置;Receiving the estimated position of the IM reference device generated by the LMF according to the second positioning measurement value;
其中,所述第二定位测量值是基站根据接收到的所述IM参考设备的定位参考信号或向所述IM参考设备发送的定位参考信号确定的。Wherein, the second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
可选的,若所述第一设备是所述基站,且参考设备是所述IM参考设备,则所述定位参考信号是上行定位参考信号;或者,Optionally, if the first device is the base station and the reference device is the IM reference device, the positioning reference signal is an uplink positioning reference signal; or,
若所述第一设备是所述IM参考设备,且参考设备是所述IM参考设备,则所述定位参考信号是下行定位参考信号。If the first device is the IM reference device and the reference device is the IM reference device, the positioning reference signal is a downlink positioning reference signal.
可选的,所述ECP至少包括:Optionally, the ECP includes at least:
所述第二定位测量值的校正值;The correction value of the second positioning measurement value;
所述第二定位测量值的误差范围;The error range of the second positioning measurement value;
判断所述IM参考设备的预估位置是否符合预设完好性监测条件。It is determined whether the estimated position of the IM reference device meets the preset integrity monitoring condition.
可选的,将所述ECP发送给第二设备,所述发送单元702用于:Optionally, the ECP is sent to the second device, and the sending unit 702 is configured to:
通过特定网络接口,将所述ECP发送给所述第二设备。The ECP is sent to the second device through a specific network interface.
可选的,若所述第一设备是服务基站或者非服务基站,第二设备是所述LMF,则所述特定网络接口为NRPPa或者LPPa,所述非服务基站是用于辅 助所述服务基站提供定位服务的基站;或者,Optionally, if the first device is a serving base station or a non-serving base station, and the second device is the LMF, then the specific network interface is NRPPa or LPPa, and the non-serving base station is used to assist the serving base station A base station that provides location services; or,
若所述第一设备是所述非服务基站,第二设备是所述服务基站,则所述非服务基站通过X2或者Xn,将所述ECP发送给所述服务基站;或者,If the first device is the non-serving base station and the second device is the serving base station, the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,
若所述第一设备是所述IM参考设备,第二设备是所述LMF或UE,则所述特定网络接口为NRPPa、LPPa、LPP或者RRC中的一种。If the first device is the IM reference device and the second device is the LMF or UE, the specific network interface is one of NRPPa, LPPa, LPP, or RRC.
可选的,所述参考信息为参考基站发送的辅助数据;Optionally, the reference information is assistance data sent by a reference base station;
所述目标设备处于所述参考基站的覆盖范围内。The target device is within the coverage area of the reference base station.
可选的,所述第一设备和所述第二设备均为所述LMF。Optionally, the first device and the second device are both the LMF.
基于同一发明构思,参阅图8所示,本申请实施例还提供了一种针对目标设备的定位校正方法,应用于第二设备,至少包括校正单元801和定位单元802,其中,Based on the same inventive concept, referring to FIG. 8, an embodiment of the present application also provides a positioning correction method for a target device, which is applied to a second device and includes at least a correction unit 801 and a positioning unit 802, wherein:
校正单元801,用于根据第一设备发送的ECP,校正目标设备的第一定位测量值;The correction unit 801 is configured to correct the first positioning measurement value of the target device according to the ECP sent by the first device;
定位单元802,用于基于校正后的第一定位测量值,生成所述目标设备的预估位置。The positioning unit 802 is configured to generate an estimated position of the target device based on the corrected first positioning measurement value.
可选的,所述校正单元801进一步用于:Optionally, the correction unit 801 is further configured to:
若接收到多个第一设备发送的ECP,则基于各个ECP,生成对应的参考ECP;If ECPs sent by multiple first devices are received, based on each ECP, a corresponding reference ECP is generated;
根据所述参考ECP,校正所述目标设备的第一定位测量值。According to the reference ECP, the first positioning measurement value of the target device is corrected.
可选的,基于各个ECP,生成对应的参考ECP,所述校正单元801用于:Optionally, based on each ECP, a corresponding reference ECP is generated, and the correction unit 801 is configured to:
若所述各个ECP均为第二定位测量值的校正值或者所述第二定位测量值的误差范围,则将所述各个ECP的平均值或者加权平均值,作为所述参考ECP;或者,If each ECP is the correction value of the second positioning measurement value or the error range of the second positioning measurement value, then the average or weighted average of the various ECPs is used as the reference ECP; or,
若所述各个ECP均为判断完整性监测IM参考设备的预估位置是否符合预设完好性监测条件,则对所述各个ECP执行逻辑与操作或者逻辑或操作,并将计算结果作为所述参考ECP。If each ECP is for judging whether the estimated position of the integrity monitoring IM reference device meets the preset integrity monitoring condition, then perform a logical AND operation or a logical OR operation on each ECP, and use the calculation result as the reference ECP.
在一些可能的实施方式中,本申请实施例还提供一种第一设备,参阅图9 所示,第一设备900可以至少包括处理器901、存储器902和收发机903。In some possible implementation manners, an embodiment of the present application further provides a first device. As shown in FIG. 9, the first device 900 may at least include a processor 901, a memory 902, and a transceiver 903.
存储器902,用于存储计算机程序;The memory 902 is used to store computer programs;
收发机903,用于在所述处理器的控制下收发数据;The transceiver 903 is configured to send and receive data under the control of the processor;
处理器901,用于读取所述存储器中的计算机程序并执行以下操作:The processor 901 is configured to read the computer program in the memory and perform the following operations:
根据参考信息,生成ECP;Generate ECP based on reference information;
将所述ECP发送给第二设备,以使所述第二设备基于由所述ECP校正后的目标设备的第一定位测量值,对所述目标设备进行定位。The ECP is sent to the second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
可选的,所述处理器901具体用于:Optionally, the processor 901 is specifically configured to:
根据IM参考设备的预估位置与实际位置之间的差值,生成ECP;Generate ECP based on the difference between the estimated position of the IM reference device and the actual position;
其中,所述IM参考设备与所述目标设备处于同一基站的覆盖范围内。Wherein, the IM reference device and the target device are in the coverage area of the same base station.
可选的,所述处理器901还用于:Optionally, the processor 901 is further configured to:
在第一设备生成ECP之前,接收LMF根据第二定位测量值生成的所述IM参考设备的预估位置;Before the first device generates the ECP, receiving the estimated position of the IM reference device generated by the LMF according to the second positioning measurement value;
其中,所述第二定位测量值是基站根据接收到的所述IM参考设备的定位参考信号或向所述IM参考设备发送的定位参考信号确定的。Wherein, the second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
可选的,若所述第一设备是所述基站,且参考设备是所述IM参考设备,则所述定位参考信号是上行定位参考信号;或者,Optionally, if the first device is the base station and the reference device is the IM reference device, the positioning reference signal is an uplink positioning reference signal; or,
若所述第一设备是所述IM参考设备,且参考设备是所述IM参考设备,则所述定位参考信号是下行定位参考信号。If the first device is the IM reference device and the reference device is the IM reference device, the positioning reference signal is a downlink positioning reference signal.
可选的,所述ECP至少包括:Optionally, the ECP includes at least:
所述第二定位测量值的校正值;The correction value of the second positioning measurement value;
所述第二定位测量值的误差范围;The error range of the second positioning measurement value;
判断所述IM参考设备的预估位置是否符合预设完好性监测条件。It is determined whether the estimated position of the IM reference device meets the preset integrity monitoring condition.
可选的,所述处理器901具体用于:Optionally, the processor 901 is specifically configured to:
通过特定网络接口,将所述ECP发送给所述第二设备。The ECP is sent to the second device through a specific network interface.
可选的,若所述第一设备是服务基站或者非服务基站,所述第二设备是所述LMF,则所述特定网络接口为NRPPa或者LPPa,所述非服务基站是用 于辅助所述服务基站提供定位服务的基站;或者,Optionally, if the first device is a serving base station or a non-serving base station, and the second device is the LMF, the specific network interface is NRPPa or LPPa, and the non-serving base station is used to assist the Serving base station A base station that provides location services; or,
若所述第一设备是所述非服务基站,所述第二设备是所述服务基站,则所述非服务基站通过X2或者Xn,将所述ECP发送给所述服务基站;或者,If the first device is the non-serving base station and the second device is the serving base station, the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,
若所述第一设备是所述IM参考设备,所述第二设备是所述LMF或用户设备UE,则所述特定网络接口为NRPPa、LPPa、LPP或者RRC中的一种。If the first device is the IM reference device and the second device is the LMF or user equipment UE, the specific network interface is one of NRPPa, LPPa, LPP, or RRC.
可选的,所述参考信息为参考基站发送的辅助数据;Optionally, the reference information is assistance data sent by a reference base station;
所述目标设备处于所述参考基站的覆盖范围内。The target device is within the coverage area of the reference base station.
可选的,所述第一设备和所述第二设备均为所述LMF。Optionally, the first device and the second device are both the LMF.
其中,在图9中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器901代表的一个或多个处理器和存储器902代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机903可以是多个元件,即包括发送机和接收机,提供用于在传输介质上与各种其他装置通信的单元,这些传输介质包括无线信道、有线信道、光缆等传输介质。处理器901负责管理总线架构和通常的处理,存储器902可以存储处理器901在执行操作时所使用的数据。Wherein, in FIG. 9, the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 901 and various circuits of the memory represented by the memory 902 are linked together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein. The bus interface provides the interface. The transceiver 903 may be multiple elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on transmission media. These transmission media include transmission media such as wireless channels, wired channels, and optical cables. The processor 901 is responsible for managing the bus architecture and general processing, and the memory 902 can store data used by the processor 901 when performing operations.
处理器901可以是中央处理器(CPU)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field-Programmable Gate Array,FPGA)或复杂可编程逻辑器件(Complex Programmable Logic Device,CPLD),处理器也可以采用多核架构。The processor 901 may be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device, CPLD), the processor can also adopt a multi-core architecture.
在一些可能的实施方式中,本申请实施例还提供一种第二设备,参阅图10所示,第二设备1000可以至少包括处理器1001、存储器1002和收发机1003。In some possible implementation manners, an embodiment of the present application further provides a second device. As shown in FIG. 10, the second device 1000 may at least include a processor 1001, a memory 1002, and a transceiver 1003.
存储器1002,用于存储计算机程序;The memory 1002 is used to store computer programs;
收发机1003,用于在所述处理器的控制下收发数据;The transceiver 1003 is configured to send and receive data under the control of the processor;
处理器1001,用于读取所述存储器中的计算机程序并执行以下操作:The processor 1001 is configured to read the computer program in the memory and perform the following operations:
根据第一设备发送的ECP,校正目标设备的第一定位测量值;Correct the first positioning measurement value of the target device according to the ECP sent by the first device;
基于校正后的第一定位测量值,生成所述目标设备的预估位置。Based on the corrected first positioning measurement value, an estimated position of the target device is generated.
可选的,所述处理器1001还用于:Optionally, the processor 1001 is further configured to:
若接收到多个第一设备发送的ECP,则基于各个ECP,生成对应的参考ECP;If ECPs sent by multiple first devices are received, based on each ECP, a corresponding reference ECP is generated;
根据所述参考ECP,校正所述目标设备的第一定位测量值。According to the reference ECP, the first positioning measurement value of the target device is corrected.
可选的,所述处理器1001具体用于:Optionally, the processor 1001 is specifically configured to:
若所述各个ECP均为第二定位测量值的校正值或者所述第二定位测量值的误差范围,则将所述各个ECP的平均值或者加权平均值,作为所述参考ECP;或者,If each ECP is the correction value of the second positioning measurement value or the error range of the second positioning measurement value, then the average or weighted average of the various ECPs is used as the reference ECP; or,
若所述各个ECP均为判断完整性监测IM参考设备的预估位置是否符合预设完好性监测条件,则对所述各个ECP执行逻辑与操作或者逻辑或操作,并将计算结果作为所述参考ECP。If each ECP is for judging whether the estimated position of the integrity monitoring IM reference device meets the preset integrity monitoring condition, then perform a logical AND operation or a logical OR operation on each ECP, and use the calculation result as the reference ECP.
其中,在图10中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器1001代表的一个或多个处理器和存储器1002代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机1003可以是多个元件,即包括发送机和接收机,提供用于在传输介质上与各种其他装置通信的单元,这些传输介质包括无线信道、有线信道、光缆等传输介质。处理器1001负责管理总线架构和通常的处理,存储器1002可以存储处理器1001在执行操作时所使用的数据。Wherein, in FIG. 10, the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1001 and various circuits of the memory represented by the memory 1002 are linked together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein. The bus interface provides the interface. The transceiver 1003 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium. These transmission media include transmission media such as wireless channels, wired channels, and optical cables. The processor 1001 is responsible for managing the bus architecture and general processing, and the memory 1002 can store data used by the processor 1001 when performing operations.
处理器1001可以是CPU、ASIC、FPGA或CPLD,处理器也可以采用多核架构。The processor 1001 may be a CPU, ASIC, FPGA or CPLD, and the processor may also adopt a multi-core architecture.
在一些可能的实施方式中,本申请提供的定位校正方法的各个方面还可以实现为一种程序产品的形式,其包括程序代码,当程序产品在计算机设备上运行时,程序代码用于使计算机设备执行本说明书上述描述的根据本申请各种示例性实施方式的定位校正方法中的步骤。In some possible implementation manners, various aspects of the positioning correction method provided in this application can also be implemented in the form of a program product, which includes program code. When the program product runs on a computer device, the program code is used to make the computer The device executes the steps in the positioning correction method according to various exemplary embodiments of the present application described above in this specification.
本申请实施例提供一种计算机可读存储介质,其包括程序代码,当所述程序产品在计算机上运行时,所述程序代码用于使所述计算机执行上述任意一种定位校正方法或者针对目标设备的定位校正方法的步骤。The embodiment of the present application provides a computer-readable storage medium, which includes program code. When the program product runs on a computer, the program code is used to make the computer execute any of the above-mentioned positioning correction methods or to target a target. The steps of the device positioning correction method.
可读介质可以是可读信号介质或者可读存储介质。可读存储介质例如可以是但不限于电、磁、光、电磁、红外线、或半导体的系统、装置或器件,或者任意以上的组合。可读存储介质的更具体的例子(非穷举的列表)包括:具有一个或多个导线的电连接、便携式盘、硬盘、随机存取存储器(RAM)、只读存储器(ROM)、可擦式可编程只读存储器(EPROM或闪存)、光纤、便携式紧凑盘只读存储器(CD-ROM)、光存储器件、磁存储器件、或者上述的任意合适的组合。The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or a combination of any of the above. More specific examples (non-exhaustive list) of readable storage media include: electrical connections with one or more wires, portable disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable Type programmable read only memory (EPROM or flash memory), optical fiber, portable compact disk read only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above.
本申请的实施方式的用于业务控制的程序产品可以采用便携式紧凑盘只读存储器(CD-ROM)并包括程序代码,并可以在计算装置上运行。然而,本申请的程序产品不限于此,在本文件中,可读存储介质可以是任何包含或存储程序的有形介质,该程序可以被命令执行系统、装置或者器件使用或者与其结合使用。The program product for business control of the embodiment of the present application may adopt a portable compact disk read-only memory (CD-ROM) and include program code, and may be run on a computing device. However, the program product of this application is not limited to this. In this document, the readable storage medium can be any tangible medium that contains or stores a program, and the program can be used by or combined with a command execution system, device, or device.
可读信号介质可以包括在基带中或者作为载波一部分传播的数据信号,其中承载了可读程序代码。这种传播的数据信号可以采用多种形式,包括但不限于电磁信号、光信号或上述的任意合适的组合。可读信号介质还可以是可读存储介质以外的任何可读介质,该可读介质可以发送、传播或者传输用于由命令执行系统、装置或者器件使用或者与其结合使用的程序。The readable signal medium may include a data signal propagated in baseband or as a part of a carrier wave, and readable program code is carried therein. This propagated data signal can take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing. The readable signal medium may also be any readable medium other than a readable storage medium, and the readable medium may send, propagate, or transmit a program for use by or in combination with the command execution system, apparatus, or device.
可读介质上包含的程序代码可以用任何适当的介质传输,包括但不限于无线、有线、光缆、RF等,或者上述的任意合适的组合。The program code contained on the readable medium can be transmitted by any suitable medium, including but not limited to wireless, wired, optical cable, RF, etc., or any suitable combination of the foregoing.
可以以一种或多种程序设计语言的任意组合来编写用于执行本申请操作的程序代码,程序设计语言包括面向对象的程序设计语言—诸如Java、C++等,还包括常规的过程式程序设计语言—诸如“C”语言或类似的程序设计语言。程序代码可以完全地在用户计算装置上执行、部分地在用户设备上执行、作为一个独立的软件包执行、部分在用户计算装置上部分在远程计算装置上执 行、或者完全在远程计算装置或服务器上执行。在涉及远程计算装置的情形中,远程计算装置可以通过任意种类的网络包括局域网(LAN)或广域网(WAN)连接到用户计算装置,或者,可以连接到外部计算装置(例如利用因特网服务提供商来通过因特网连接)。The program code used to perform the operations of this application can be written in any combination of one or more programming languages. Programming languages include object-oriented programming languages—such as Java, C++, etc., as well as conventional procedural programming. Language-such as "C" language or similar programming language. The program code can be executed entirely on the user computing device, partly executed on the user equipment, executed as an independent software package, partly executed on the user computing device and partly executed on the remote computing device, or entirely on the remote computing device or server Executed on. In the case of a remote computing device, the remote computing device may be connected to a user computing device through any kind of network including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computing device (for example, using an Internet service provider to Connect via the Internet).
尽管已描述了本申请的优选实施例,但本领域内的技术人员一旦得知了基本创造性概念,则可对这些实施例做出另外的变更和修改。所以,所附权利要求意欲解释为包括优选实施例以及落入本申请范围的所有变更和修改。Although the preferred embodiments of the present application have been described, those skilled in the art can make additional changes and modifications to these embodiments once they learn the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.
显然,本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样,倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内,则本申请也意图包含这些改动和变型在内。Obviously, those skilled in the art can make various changes and modifications to the application without departing from the spirit and scope of the application. In this way, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalent technologies, then this application is also intended to include these modifications and variations.
Claims (37)
- 一种定位校正方法,其特征在于,应用于第一设备,包括:A positioning correction method, characterized in that it is applied to a first device, and includes:第一设备根据参考信息,生成误差校正参数ECP;The first device generates an error correction parameter ECP according to the reference information;所述第一设备将所述ECP发送给第二设备,以使所述第二设备基于由所述ECP校正后的目标设备的第一定位测量值,对所述目标设备进行定位。The first device sends the ECP to the second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
- 如权利要求1所述的方法,其特征在于,所述第一设备根据参考信息,生成ECP,包括:The method according to claim 1, wherein the first device generating the ECP according to the reference information comprises:第一设备根据完整性监测IM参考设备的预估位置与实际位置之间的差值,生成ECP;The first device generates an ECP according to the difference between the estimated position and the actual position of the integrity monitoring IM reference device;其中,所述IM参考设备与所述目标设备处于同一基站的覆盖范围内。Wherein, the IM reference device and the target device are in the coverage area of the same base station.
- 如权利要求2所述的方法,其特征在于,在第一设备生成ECP之前,进一步包括:The method according to claim 2, wherein before the first device generates the ECP, the method further comprises:所述第一设备接收定位管理功能实体LMF根据第二定位测量值生成的所述IM参考设备的预估位置;Receiving, by the first device, the estimated position of the IM reference device generated by the positioning management function entity LMF according to the second positioning measurement value;其中,所述第二定位测量值是基站根据接收到的所述IM参考设备的定位参考信号或向所述IM参考设备发送的定位参考信号确定的。Wherein, the second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
- 如权利要求3所述的方法,其特征在于,若所述第一设备是所述基站,且参考设备是所述IM参考设备,则所述定位参考信号是上行定位参考信号;或者,The method according to claim 3, wherein if the first device is the base station and the reference device is the IM reference device, the positioning reference signal is an uplink positioning reference signal; or,若所述第一设备是所述IM参考设备,且参考设备是所述IM参考设备,则所述定位参考信号是下行定位参考信号。If the first device is the IM reference device and the reference device is the IM reference device, the positioning reference signal is a downlink positioning reference signal.
- 如权利要求3所述的方法,其特征在于,所述ECP至少包括:The method of claim 3, wherein the ECP at least comprises:所述第二定位测量值的校正值;The correction value of the second positioning measurement value;所述第二定位测量值的误差范围;The error range of the second positioning measurement value;判断所述IM参考设备的预估位置是否符合预设完好性监测条件。It is determined whether the estimated position of the IM reference device meets the preset integrity monitoring condition.
- 如权利要求3所述的方法,其特征在于,所述第一设备将所述ECP 发送给第二设备,包括:The method of claim 3, wherein the sending of the ECP to the second device by the first device comprises:所述第一设备通过特定网络接口,将所述ECP发送给所述第二设备。The first device sends the ECP to the second device through a specific network interface.
- 如权利要求6所述的方法,其特征在于,若所述第一设备是服务基站或者非服务基站,所述第二设备是所述LMF,则所述特定网络接口为新空口定位协议接口NRPPa或者长期演进定位协议接口LPPa,所述非服务基站是用于辅助所述服务基站提供定位服务的基站;或者,The method according to claim 6, wherein if the first device is a serving base station or a non-serving base station, and the second device is the LMF, then the specific network interface is a new air interface positioning protocol interface NRPPa Or the Long Term Evolution Positioning Protocol interface LPPa, where the non-serving base station is a base station used to assist the serving base station to provide positioning services; or,若所述第一设备是所述非服务基站,所述第二设备是所述服务基站,则所述非服务基站通过X2或者Xn,将所述ECP发送给所述服务基站;或者,If the first device is the non-serving base station and the second device is the serving base station, the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,若所述第一设备是所述IM参考设备,所述第二设备是所述LMF或用户设备UE,则所述特定网络接口为NRPPa、LPPa、长期演进定位协议LPP或者无线资源控制RRC中的一种。If the first device is the IM reference device and the second device is the LMF or user equipment UE, then the specific network interface is NRPPa, LPPa, Long Term Evolution Positioning Protocol LPP or Radio Resource Control RRC A sort of.
- 如权利要求1所述的方法,其特征在于,所述参考信息为参考基站发送的辅助数据;The method according to claim 1, wherein the reference information is auxiliary data sent by a reference base station;所述目标设备处于所述参考基站的覆盖范围内。The target device is within the coverage area of the reference base station.
- 如权利要求8所述的方法,其特征在于,所述第一设备和所述第二设备均为所述LMF。The method according to claim 8, wherein the first device and the second device are both the LMF.
- 一种针对目标设备的定位校正方法,其特征在于,应用于第二设备,包括:A positioning correction method for a target device is characterized in that it is applied to a second device and includes:第二设备根据第一设备发送的误差校正参数ECP,校正目标设备的第一定位测量值;The second device corrects the first positioning measurement value of the target device according to the error correction parameter ECP sent by the first device;所述第二设备基于校正后的第一定位测量值,生成所述目标设备的预估位置。The second device generates the estimated position of the target device based on the corrected first positioning measurement value.
- 如权利要求10所述的方法,其特征在于,进一步包括:The method of claim 10, further comprising:若所述第二设备接收到多个第一设备发送的ECP,则所述第二设备基于各个ECP,生成对应的参考ECP;If the second device receives ECPs sent by multiple first devices, the second device generates a corresponding reference ECP based on each ECP;所述第二设备根据所述参考ECP,校正所述目标设备的第一定位测量值。The second device corrects the first positioning measurement value of the target device according to the reference ECP.
- 如权利要求11所述的方法,其特征在于,所述第二设备基于各个ECP, 生成对应的参考ECP,包括:The method according to claim 11, wherein the second device generates a corresponding reference ECP based on each ECP, comprising:若所述各个ECP均为第二定位测量值的校正值或者所述第二定位测量值的误差范围,则所述第二设备将所述各个ECP的平均值或者加权平均值,作为所述参考ECP;或者,If each ECP is the correction value of the second positioning measurement value or the error range of the second positioning measurement value, the second device uses the average value or weighted average value of each ECP as the reference ECP; or,若所述各个ECP均为判断完整性监测IM参考设备的预估位置是否符合预设完好性监测条件,则所述第二设备对所述各个ECP执行逻辑与操作或者逻辑或操作,并将计算结果作为所述参考ECP。If each ECP is to determine whether the estimated position of the integrity monitoring IM reference device meets the preset integrity monitoring condition, the second device performs a logical AND operation or a logical OR operation on each ECP, and calculates The result serves as the reference ECP.
- 一种定位校正装置,其特征在于,应用于第一设备,包括:A positioning correction device, which is characterized in that it is applied to a first device, and includes:误差生成单元,用于根据参考信息,生成误差校正参数ECP;The error generating unit is used to generate the error correction parameter ECP according to the reference information;发送单元,用于将所述ECP发送给第二设备,以使所述第二设备基于由所述ECP校正后的目标设备的第一定位测量值,对所述目标设备进行定位。The sending unit is configured to send the ECP to a second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
- 如权利要求13所述的装置,其特征在于,根据参考信息,生成ECP,所述误差生成单元用于:The apparatus according to claim 13, wherein the ECP is generated according to the reference information, and the error generating unit is configured to:根据完整性监测IM参考设备的预估位置与实际位置之间的差值,生成ECP;Generate ECP based on the difference between the estimated position and actual position of the IM reference device for integrity monitoring;其中,所述IM参考设备与所述目标设备处于同一基站的覆盖范围内。Wherein, the IM reference device and the target device are in the coverage area of the same base station.
- 如权利要求14所述的装置,其特征在于,在生成误差校正参数ECP之前,所述误差生成单元进一步用于:The apparatus according to claim 14, wherein before generating the error correction parameter ECP, the error generating unit is further configured to:接收定位管理功能实体LMF根据第二定位测量值生成的所述IM参考设备的预估位置;Receiving the estimated position of the IM reference device generated by the positioning management function entity LMF according to the second positioning measurement value;其中,所述第二定位测量值是基站根据接收到的所述IM参考设备的定位参考信号或向所述IM参考设备发送的定位参考信号确定的。Wherein, the second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
- 如权利要求15所述的装置,其特征在于,若所述第一设备是所述基站,且参考设备是所述IM参考设备,则所述定位参考信号是上行定位参考信号;或者,The apparatus according to claim 15, wherein if the first device is the base station and the reference device is the IM reference device, the positioning reference signal is an uplink positioning reference signal; or,若所述第一设备是所述IM参考设备,且参考设备是所述IM参考设备,则所述定位参考信号是下行定位参考信号。If the first device is the IM reference device and the reference device is the IM reference device, the positioning reference signal is a downlink positioning reference signal.
- 如权利要求15所述的装置,其特征在于,所述ECP至少包括:The device according to claim 15, wherein the ECP at least comprises:所述第二定位测量值的校正值;The correction value of the second positioning measurement value;所述第二定位测量值的误差范围;The error range of the second positioning measurement value;判断所述IM参考设备的预估位置是否符合预设完好性监测条件。It is determined whether the estimated position of the IM reference device meets the preset integrity monitoring condition.
- 如权利要求15所述的装置,其特征在于,将所述ECP发送给第二设备,所述发送单元用于:The apparatus according to claim 15, wherein the ECP is sent to a second device, and the sending unit is configured to:通过特定网络接口,将所述ECP发送给所述第二设备。The ECP is sent to the second device through a specific network interface.
- 如权利要求18所述的装置,其特征在于,若所述第一设备是服务基站或者非服务基站,所述第二设备是所述LMF,则所述特定网络接口为新空口定位协议接口NRPPa或者长期演进定位协议接口LPPa,所述非服务基站是用于辅助所述服务基站提供定位服务的基站;或者,The apparatus according to claim 18, wherein if the first device is a serving base station or a non-serving base station, and the second device is the LMF, then the specific network interface is a new air interface positioning protocol interface NRPPa Or the Long Term Evolution Positioning Protocol interface LPPa, where the non-serving base station is a base station used to assist the serving base station to provide positioning services; or,若所述第一设备是所述非服务基站,所述第二设备是所述服务基站,则所述非服务基站通过X2或者Xn,将所述ECP发送给所述服务基站;或者,If the first device is the non-serving base station and the second device is the serving base station, the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,若所述第一设备是所述IM参考设备,所述第二设备是所述LMF或用户设备UE,则所述特定网络接口为NRPPa、LPPa、长期演进定位协议LPP或者无线资源控制RRC中的一种。If the first device is the IM reference device and the second device is the LMF or user equipment UE, then the specific network interface is NRPPa, LPPa, Long Term Evolution Positioning Protocol LPP or Radio Resource Control RRC A sort of.
- 如权利要求13所述的装置,其特征在于,所述参考信息为参考基站发送的辅助数据;The apparatus according to claim 13, wherein the reference information is auxiliary data sent by a reference base station;所述目标设备处于所述参考基站的覆盖范围内。The target device is within the coverage area of the reference base station.
- 如权利要求20所述的装置,其特征在于,包括:所述第一设备和所述第二设备均为所述LMF。The apparatus according to claim 20, comprising: the first device and the second device are both the LMF.
- 一种针对目标设备的定位校正装置,其特征在于,应用于第二设备,包括:A positioning correction device for a target device is characterized in that it is applied to a second device and includes:校正单元,用于根据第一设备发送的误差校正参数ECP,校正目标设备的第一定位测量值;The correction unit is configured to correct the first positioning measurement value of the target device according to the error correction parameter ECP sent by the first device;定位单元,用于基于校正后的第一定位测量值,生成所述目标设备的预估位置。The positioning unit is configured to generate an estimated position of the target device based on the corrected first positioning measurement value.
- 如权利要求22所述的装置,其特征在于,所述校正单元进一步用于:The device according to claim 22, wherein the correction unit is further configured to:若接收到多个第一设备发送的ECP,则基于各个ECP,生成对应的参考ECP;If ECPs sent by multiple first devices are received, based on each ECP, a corresponding reference ECP is generated;根据所述参考ECP,校正所述目标设备的第一定位测量值。According to the reference ECP, the first positioning measurement value of the target device is corrected.
- 如权利要求23所述的装置,其特征在于,基于各个ECP,生成对应的参考ECP,所述校正单元用于:The apparatus according to claim 23, wherein a corresponding reference ECP is generated based on each ECP, and the correction unit is configured to:若所述各个ECP均为第二定位测量值的校正值或者所述第二定位测量值的误差范围,则将所述各个ECP的平均值或者加权平均值,作为所述参考ECP;或者,If each ECP is the correction value of the second positioning measurement value or the error range of the second positioning measurement value, then the average or weighted average of the various ECPs is used as the reference ECP; or,若所述各个ECP均为判断完整性监测IM参考设备的预估位置是否符合预设完好性监测条件,则对所述各个ECP执行逻辑与操作或者逻辑或操作,并将计算结果作为所述参考ECP。If each ECP is for judging whether the estimated position of the integrity monitoring IM reference device meets the preset integrity monitoring condition, then perform a logical AND operation or a logical OR operation on each ECP, and use the calculation result as the reference ECP.
- 一种第一设备,其特征在于,包括处理器、存储器和收发机;A first device, characterized by comprising a processor, a memory, and a transceiver;存储器,用于存储计算机程序;Memory, used to store computer programs;收发机,用于在所述处理器的控制下收发数据;A transceiver, used to send and receive data under the control of the processor;处理器,用于读取所述存储器中的计算机程序并执行以下操作:The processor is configured to read the computer program in the memory and perform the following operations:根据参考信息,生成误差校正参数ECP;According to the reference information, generate the error correction parameter ECP;将所述ECP发送给第二设备,以使所述第二设备基于由所述ECP校正后的目标设备的第一定位测量值,对所述目标设备进行定位。The ECP is sent to the second device, so that the second device locates the target device based on the first positioning measurement value of the target device corrected by the ECP.
- 如权利要求25所述的第一设备,其特征在于,所述处理器具体用于:The first device according to claim 25, wherein the processor is specifically configured to:根据完整性监测IM参考设备的预估位置与实际位置之间的差值,生成ECP;Generate ECP based on the difference between the estimated position and actual position of the IM reference device for integrity monitoring;其中,所述IM参考设备与所述目标设备处于同一基站的覆盖范围内。Wherein, the IM reference device and the target device are in the coverage area of the same base station.
- 如权利要求26所述的第一设备,其特征在于,所述处理器还用于:The first device according to claim 26, wherein the processor is further configured to:在第一设备生成ECP之前,接收定位管理功能实体LMF根据第二定位测量值生成的所述IM参考设备的预估位置;Before the first device generates the ECP, receiving the estimated position of the IM reference device generated by the positioning management function entity LMF according to the second positioning measurement value;其中,所述第二定位测量值是基站根据接收到的所述IM参考设备的定位 参考信号或向所述IM参考设备发送的定位参考信号确定的。Wherein, the second positioning measurement value is determined by the base station according to the received positioning reference signal of the IM reference device or the positioning reference signal sent to the IM reference device.
- 如权利要求27所述的第一设备,其特征在于,若所述第一设备是所述基站,且参考设备是所述IM参考设备,则所述定位参考信号是上行定位参考信号;或者,The first device according to claim 27, wherein if the first device is the base station and the reference device is the IM reference device, the positioning reference signal is an uplink positioning reference signal; or,若所述第一设备是所述IM参考设备,且参考设备是所述IM参考设备,则所述定位参考信号是下行定位参考信号。If the first device is the IM reference device and the reference device is the IM reference device, the positioning reference signal is a downlink positioning reference signal.
- 如权利要求27所述的第一设备,其特征在于,所述ECP至少包括:The first device according to claim 27, wherein the ECP at least comprises:所述第二定位测量值的校正值;The correction value of the second positioning measurement value;所述第二定位测量值的误差范围;The error range of the second positioning measurement value;判断所述IM参考设备的预估位置是否符合预设完好性监测条件。It is determined whether the estimated position of the IM reference device meets the preset integrity monitoring condition.
- 如权利要求27所述的第一设备,其特征在于,所述处理器具体用于:The first device according to claim 27, wherein the processor is specifically configured to:通过特定网络接口,将所述ECP发送给所述第二设备。The ECP is sent to the second device through a specific network interface.
- 如权利要求30所述的第一设备,其特征在于,若所述第一设备是服务基站或者非服务基站,所述第二设备是所述LMF,则所述特定网络接口为新空口定位协议接口NRPPa或者长期演进定位协议接口LPPa,所述非服务基站是用于辅助所述服务基站提供定位服务的基站;或者,The first device according to claim 30, wherein if the first device is a serving base station or a non-serving base station, and the second device is the LMF, then the specific network interface is a new air interface positioning protocol Interface NRPPa or Long Term Evolution Positioning Protocol interface LPPa, the non-serving base station is a base station used to assist the serving base station to provide positioning services; or,若所述第一设备是所述非服务基站,所述第二设备是所述服务基站,则所述非服务基站通过X2或者Xn,将所述ECP发送给所述服务基站;或者,If the first device is the non-serving base station and the second device is the serving base station, the non-serving base station sends the ECP to the serving base station through X2 or Xn; or,若所述第一设备是所述IM参考设备,所述第二设备是所述LMF或用户设备UE,则所述特定网络接口为NRPPa、LPPa、长期演进定位协议LPP或者无线资源控制RRC中的一种。If the first device is the IM reference device and the second device is the LMF or user equipment UE, then the specific network interface is NRPPa, LPPa, Long Term Evolution Positioning Protocol LPP or Radio Resource Control RRC A sort of.
- 如权利要求25所述的第一设备,其特征在于,所述参考信息为参考基站发送的辅助数据;The first device according to claim 25, wherein the reference information is auxiliary data sent by a reference base station;所述目标设备处于所述参考基站的覆盖范围内。The target device is within the coverage area of the reference base station.
- 如权利要求32所述的第一设备,其特征在于,所述第一设备和所述第二设备均为所述LMF。The first device according to claim 32, wherein the first device and the second device are both the LMF.
- 一种第二设备,其特征在于,包括处理器、存储器和收发机;A second device, characterized in that it comprises a processor, a memory, and a transceiver;存储器,用于存储计算机程序;Memory, used to store computer programs;收发机,用于在所述处理器的控制下收发数据;A transceiver, used to send and receive data under the control of the processor;处理器,用于读取所述存储器中的计算机程序并执行以下操作:The processor is configured to read the computer program in the memory and perform the following operations:根据第一设备发送的误差校正参数ECP,校正目标设备的第一定位测量值;Correct the first positioning measurement value of the target device according to the error correction parameter ECP sent by the first device;基于校正后的第一定位测量值,生成所述目标设备的预估位置。Based on the corrected first positioning measurement value, an estimated position of the target device is generated.
- 如权利要求34所述的第二设备,其特征在于,所述处理器还用于:The second device according to claim 34, wherein the processor is further configured to:若接收到多个第一设备发送的ECP,则基于各个ECP,生成对应的参考ECP;If ECPs sent by multiple first devices are received, based on each ECP, a corresponding reference ECP is generated;根据所述参考ECP,校正所述目标设备的第一定位测量值。According to the reference ECP, the first positioning measurement value of the target device is corrected.
- 如权利要求35所述的第二设备,其特征在于,所述处理器具体用于:The second device according to claim 35, wherein the processor is specifically configured to:若所述各个ECP均为第二定位测量值的校正值或者所述第二定位测量值的误差范围,则将所述各个ECP的平均值或者加权平均值,作为所述参考ECP;或者,If each ECP is the correction value of the second positioning measurement value or the error range of the second positioning measurement value, then the average or weighted average of the various ECPs is used as the reference ECP; or,若所述各个ECP均为判断完整性监测IM参考设备的预估位置是否符合预设完好性监测条件,则对所述各个ECP执行逻辑与操作或者逻辑或操作,并将计算结果作为所述参考ECP。If each ECP is for judging whether the estimated position of the integrity monitoring IM reference device meets the preset integrity monitoring condition, then perform a logical AND operation or a logical OR operation on each ECP, and use the calculation result as the reference ECP.
- 一种计算机可读存储介质,其特征在于,其包括程序代码,当所述程序产品在电子设备上运行时,所述程序代码用于使所述电子设备执行权利要求1~9任一所述方法的步骤,或者使所述电子设备执行权利要求10-12中任一所述方法的步骤。A computer-readable storage medium, characterized in that it comprises program code, and when the program product runs on an electronic device, the program code is used to make the electronic device execute any one of claims 1-9 The steps of the method, or the electronic device executes the steps of the method in any one of claims 10-12.
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