WO2023212962A1 - 定位管理功能网元选择方法及装置 - Google Patents

定位管理功能网元选择方法及装置 Download PDF

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Publication number
WO2023212962A1
WO2023212962A1 PCT/CN2022/091320 CN2022091320W WO2023212962A1 WO 2023212962 A1 WO2023212962 A1 WO 2023212962A1 CN 2022091320 W CN2022091320 W CN 2022091320W WO 2023212962 A1 WO2023212962 A1 WO 2023212962A1
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WIPO (PCT)
Prior art keywords
ranging
direct connection
network element
direct
positioning
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PCT/CN2022/091320
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English (en)
French (fr)
Inventor
沈洋
王鑫丽
Original Assignee
北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202280001649.8A priority Critical patent/CN117378261A/zh
Priority to PCT/CN2022/091320 priority patent/WO2023212962A1/zh
Publication of WO2023212962A1 publication Critical patent/WO2023212962A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present disclosure relates to the field of mobile communication technology, and in particular to a location management function (LMF, Location Management Function) network element selection method and device.
  • LMF Location Management Function
  • the location information of user equipment is usually determined by the Location Management Function (LMF) network element to enable communication between two or more UEs.
  • the location information of the UE can be determined through the ranging/direct positioning service, where ranging is used to determine the distance and/or direction and/or relative position between two or more UEs, and direct positioning is used to locate the UE.
  • LMF Location Management Function
  • ranging is used to determine the distance and/or direction and/or relative position between two or more UEs
  • direct positioning is used to locate the UE.
  • LMF Location Management Function
  • This disclosure proposes a location management function (LMF, Location Management Function) network element selection method and device, so that the access and mobility management function (AMF, Access and Mobility Management Function) network elements can select appropriate LMF network elements. to perform ranging/direct connection positioning services.
  • LMF Location Management Function
  • AMF Access and Mobility Management Function
  • a first aspect embodiment of the present disclosure provides an LMF network element selection method, which is executed by an AMF network element.
  • the method includes: based on the received ranging/direct connection positioning request, selecting a method for performing ranging/direct connection Locate the LMF network element of the service.
  • the selection of the LMF network element for performing the ranging/direct connection positioning service includes: determining the ranging/direct connection positioning capability information based on the ranging/direct connection positioning request, wherein the ranging /Direct connection positioning capability information indicates the ranging/direct connection positioning capability required by the LMF network element for performing the ranging/direct connection positioning service; and based on the ranging/direct connection positioning capability information, select for LMF network element that performs the ranging/direct connection positioning service.
  • the ranging/direct connection positioning request includes ranging/direct connection positioning related information
  • the selection of the LMF network element for performing the ranging/direct connection positioning service includes: based on the ranging/direct connection positioning service Positioning request, determine ranging/direct connection positioning capability information, wherein the ranging/direct connection positioning capability information indicates the ranging/direct connection required by the LMF network element for performing the ranging/direct connection positioning service Positioning capability; and based on the ranging/direct connection positioning capability information and the ranging/direct connection positioning related information, select the LMF network element; wherein the ranging/direct connection positioning related information includes at least the following: One: ranging/direct-connected positioning content, used to indicate the expected ranging/direct-connected positioning results; and ranging/direct-connected positioning quality of service (QoS, Quality of Service) information.
  • QoS Quality of Service
  • the ranging/direct connection positioning capabilities include: a triggering capability for triggering ranging/direct connection positioning services between two or more user equipments (UEs, User Equipment); and for reporting.
  • UEs user equipments
  • reporting The ability to report ranging/direct positioning results to the AMF network element.
  • the ranging/direct connection positioning capabilities also include: computing capabilities for calculating ranging/direct connection positioning results.
  • the computing capability includes any of the following: calculating the relative distance between two UEs; calculating the relative direction between the two UEs; calculating the relative distance between the two UEs with a specified accuracy; calculating the relative distance between the two UEs.
  • the relative direction between UEs with specified precision Calculate the relative distance between one UE and multiple UEs; Calculate the relative direction between one UE and multiple UEs; Calculate the specified precision between one UE and multiple UEs Relative distance; calculates the relative direction between one UE and multiple UEs with specified accuracy.
  • the ranging/direct-connected positioning QoS information includes a QoS level, a specified accuracy related to the expected ranging/direct-connected positioning result, and a response time for executing the ranging/direct-connected positioning service.
  • a second embodiment of the present disclosure provides an LMF network element selection device for an AMF network element, including: a processing module, configured to select for performing ranging/direct connection positioning based on the received ranging/direct connection positioning request. Directly connected to the LMF network element of the positioning service.
  • the processing module is configured to: determine ranging/direct connection positioning capability information based on the ranging/direct connection positioning request, wherein the ranging/direct connection positioning capability information indicates that the ranging/direct connection positioning capability information is used to perform the The ranging/direct-connected positioning capability required by the LMF network element of the ranging/direct-connected positioning service; and based on the ranging/direct-connected positioning capability information, select the LMF used to perform the ranging/direct-connected positioning service network element.
  • the ranging/direct connection positioning request includes ranging/direct connection positioning related information
  • the processing module is configured to: determine ranging/direct connection positioning capability information based on the ranging/direct connection positioning request , wherein the ranging/direct connection positioning capability information indicates the ranging/direct connection positioning capability required by the LMF network element for performing the ranging/direct connection positioning service; and based on the ranging/direct connection positioning service
  • the positioning capability information and the ranging/direct connection positioning related information are used to select the LMF network element; wherein the ranging/direct connection positioning related information includes at least one of the following: ranging/direct connection positioning content, using To indicate the expected ranging/direct-connected positioning results; and ranging/direct-connected positioning service quality QoS information.
  • the ranging/direct connection positioning capabilities include: a triggering capability for triggering ranging/direct connection positioning services between two or more user equipments (UEs, User Equipment); and for reporting.
  • UEs user equipments
  • reporting The ability to report ranging/direct positioning results to the AMF network element.
  • the ranging/direct connection positioning capabilities also include: computing capabilities for calculating ranging/direct connection positioning results.
  • the computing capability includes any of the following: calculating the relative distance between two UEs; calculating the relative direction between the two UEs; calculating the relative distance between the two UEs with a specified accuracy; calculating the relative distance between the two UEs.
  • the relative direction between UEs with specified precision Calculate the relative distance between one UE and multiple UEs; Calculate the relative direction between one UE and multiple UEs; Calculate the specified precision between one UE and multiple UEs Relative distance; calculates the relative direction between one UE and multiple UEs with specified accuracy.
  • the ranging/direct-connected positioning QoS information includes a QoS level, a specified accuracy related to the expected ranging/direct-connected positioning result, and a response time for executing the ranging/direct-connected positioning service.
  • a third aspect embodiment of the present disclosure provides a communication device, including: a transceiver; a memory; and a processor, respectively connected to the transceiver and the memory, and configured to execute computer-executable instructions on the memory. , controls the wireless signal transmission and reception of the transceiver, and can implement the LMF network element selection method of the above-mentioned first aspect embodiment.
  • the fourth embodiment of the present disclosure provides a computer storage medium, wherein the computer storage medium stores computer-executable instructions; after the computer-executable instructions are executed by a processor, the above-mentioned aspects of the first embodiment can be realized. LMF network element selection method.
  • Embodiments of the present disclosure provide an LMF network element selection method and device.
  • the AMF network element selects an LMF network element for performing ranging/direct connection positioning services based on the received ranging/direct connection positioning request, thereby enabling AMF network elements can select appropriate LMF network elements to perform ranging/direct connection positioning services.
  • Figure 1 is a schematic diagram showing the direction of one terminal relative to another terminal
  • Figure 2 is a schematic diagram showing ranging services provided for UEs within or outside 5G coverage
  • FIG. 3 is a schematic flowchart of an LMF network element selection method according to an embodiment of the present disclosure
  • Figure 4 is a schematic flow chart of an LMF network element selection method according to an embodiment of the present disclosure
  • Figure 5 is a schematic flow chart of an LMF network element selection method according to an embodiment of the present disclosure
  • FIG. 6 is a schematic flowchart of an LMF network element selection method according to an embodiment of the present disclosure
  • FIG. 7 is a schematic flowchart of an LMF network element selection method according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic flowchart of an LMF network element selection method according to an embodiment of the present disclosure
  • FIG. 9 is a schematic flowchart of an LMF network element selection method according to an embodiment of the present disclosure.
  • Figure 10 is a schematic diagram of the ranging/direct connection positioning business process according to an embodiment of the present disclosure.
  • FIG. 11 is a block diagram of an LMF network element selection device according to an embodiment of the present disclosure.
  • Figure 12 is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure.
  • Figure 13 is a schematic structural diagram of a chip provided by an embodiment of the present disclosure.
  • the location information of user equipment is usually determined by the Location Management Function (LMF) network element to enable communication between two or more UEs.
  • LMF Location Management Function
  • the location information of the UE can be determined through the ranging/direct positioning service, where ranging is used to determine the distance and/or direction and/or relative position between two or more UEs, and direct positioning is used to locate the UE. .
  • Ranging/direct positioning includes one or both of distance measurement and direction measurement.
  • the direction of one terminal relative to the other terminal includes the horizontal direction and the vertical direction, as shown in Figure 1.
  • the observation terminal has a reference plane and a reference direction.
  • the direction of the target terminal relative to the observation terminal is the angle between the connection line between the observation terminal and the target terminal and the reference direction, which can be represented by the azimuth angle and the vertical direction.
  • the azimuth angle is indicated by the angle between the reference direction and the projection of the line connecting the observation terminal to the target terminal on the reference plane, and the reference direction is orthogonal to the z-axis.
  • the angle between the vertical and the horizontal plane of the target terminal is the angle between the vertical and the horizontal plane of the target terminal.
  • Ranging/direct connection positioning services can be supported within or outside 5G coverage, as shown in Figure 2. If a licensed frequency band can be used for ranging, the licensed frequency band should be fully controlled by the operator.
  • the LMF network element is used to initiate the ranging/direct connection positioning process to the UE.
  • the LMF network element is used to determine the location of the UE.
  • not every LMF network element can handle the ranging/direct connection positioning request, that is, based on the received from the Access and Mobility Management Function (AMF, Access and Mobility Management Function) network element.
  • the received request initiates a ranging/direct-connection positioning process to the UE, generates a ranging/direct-connection positioning result based on the measurement data, and reports the result to the AMF network element.
  • the AMF network element needs to select an LMF network element that supports the ranging/direct connection positioning function. Therefore, how to select appropriate LMF network elements to perform ranging/direct connection positioning services has become an urgent problem to be solved.
  • the present disclosure proposes an LMF network element selection method and device, so that the AMF network element can select a suitable LMF network element to perform ranging/direct connection positioning services.
  • FIG 3 shows a schematic flowchart of an LMF network element selection method according to an embodiment of the present disclosure. As shown in Figure 3, the method can be executed by the AMF network element and can include the following steps.
  • S301 Based on the received ranging/direct connection positioning request, select an LMF network element for performing the ranging/direct connection positioning service.
  • LMF network element selection is performed.
  • the AMF network element selects the LMF network element for performing the ranging/direct connection positioning service based on the received ranging/direct connection positioning request, thereby enabling the AMF network element to Select the appropriate LMF network element to perform ranging/direct connection positioning services.
  • FIG 4 shows a schematic flowchart of an LMF network element selection method according to an embodiment of the present disclosure. As shown in Figure 4, the method can be executed by the AMF network element and can include the following steps.
  • the ranging/direct connection positioning capability information indicates the ranging/direct connection positioning capability required by the LMF network element used to perform the ranging/direct connection positioning service.
  • S402 Based on the ranging/direct connection positioning capability information, select an LMF network element for performing the ranging/direct connection positioning service.
  • LMF network element selection is performed.
  • the selected LMF network element needs to have the ranging/direct-connected positioning capabilities required to perform the ranging/direct-connected positioning service.
  • the AMF network element When the AMF network element performs LMF network element selection, it can determine the ranging/direct-connected positioning capability information indicating the ranging/direct-connected positioning capabilities required by the LMF network element for performing ranging/direct-connected positioning capabilities, and based on This ranging/direct connection positioning capability information selects an LMF network element, so that an LMF network element with appropriate ranging/direct connection positioning capabilities can be selected to perform the ranging/direct connection positioning service.
  • ranging/direct connection positioning capabilities include: triggering capabilities for triggering ranging/direct connection positioning services between two or more UEs; and reporting ranging/direct connection positioning results Reporting capabilities to AMF network elements.
  • the selected LMF network element needs to have at least triggering capability and reporting capability.
  • the triggering capability is used to trigger measurement between two or more UEs based on the request received from the AMF network element.
  • the distance/direct connection positioning service is provided, and the reporting capability is used to report the ranging/direct connection positioning results to the AMF network element.
  • the ranging/direct connection positioning capability further includes: computing capabilities for calculating ranging/direct connection positioning results.
  • the selected LMF network elements In order to support ranging/direct connection positioning services, in addition to triggering capabilities and reporting capabilities, the selected LMF network elements also need to have computing capabilities, where the computing capabilities are used to calculate ranging/direct connection positioning results based on ranging/direct connection positioning measurement data. .
  • the UE when the selected LMF network element does not have the computing capability for calculating ranging/direct connection positioning results, the UE is required to calculate the ranging/direct connection positioning results and use the calculated ranging/direct connection positioning results.
  • the positioning result is sent to the LMF network element.
  • the AMF network element may choose to have the triggering capability and reporting capability. capable LMF network element.
  • the AMF network element may choose to have LMF network elements with triggering capabilities, reporting capabilities and computing capabilities.
  • the computing capabilities include any of the following: calculating a relative distance between two UEs; calculating a relative direction between two UEs; calculating a relative distance between two UEs with a specified accuracy; calculating a relative distance between two UEs.
  • the relative direction between UEs with specified precision Calculate the relative distance between one UE and multiple UEs; Calculate the relative direction between one UE and multiple UEs; Calculate the specified precision between one UE and multiple UEs Relative distance; calculates the relative direction between one UE and multiple UEs with specified accuracy.
  • the calculation capability of the selected LMF network element may include calculating the relative distance and/or relative direction between one UE and one or more UEs.
  • the calculation capability between one UE and one or more UEs may be calculated. Specifies the relative distance and/or relative direction to the precision.
  • the LMF network element can calculate the relative distance and/or relative direction between a UE and one or more UEs based on the default accuracy or actual measurement conditions.
  • the AMF network element determines the ranging/direct-connected positioning capability information required to perform the ranging/direct-connected positioning service based on the received ranging/direct-connected positioning request, and based on the The ranging/direct connection positioning capability information selects the LMF network element used to perform the ranging/direct connection positioning service, thereby enabling the AMF network element to select an appropriate LMF network element to perform the ranging/direct connection positioning service.
  • FIG. 5 shows a schematic flowchart of an LMF network element selection method according to an embodiment of the present disclosure. As shown in Figure 5, the method can be executed by the AMF network element and can include the following steps.
  • S501 Based on the received ranging/direct connection positioning request, determine the ranging/direct connection positioning capability information, where the ranging/direct connection positioning capability information indicates the location of the LMF network element used to perform the ranging/direct connection positioning service.
  • the required ranging/direct connection positioning capabilities are triggering capability and reporting capability.
  • S502 Based on the ranging/direct connection positioning capability information, select an LMF network element with triggering capability and reporting capability.
  • the selected LMF network element needs to have at least triggering capability and reporting capability.
  • the triggering capability is used to trigger measurement between two or more UEs based on the request received from the AMF network element.
  • the distance/direct connection positioning service is provided, and the reporting capability is used to report the ranging/direct connection positioning results to the AMF network element.
  • the AMF network element may select an LMF network element with triggering capability and reporting capability.
  • the AMF network element determines that the ranging/direct-connected positioning capabilities required to execute the ranging/direct-connected positioning service are the triggering capabilities and reporting based on the received ranging/direct-connected positioning request. capability, the AMF network element can select an LMF network element with triggering capabilities and reporting capabilities, thereby enabling the AMF network element to select an appropriate LMF network element to perform ranging/direct connection positioning services.
  • Figure 6 shows a schematic flowchart of an LMF network element selection method according to an embodiment of the present disclosure. As shown in Figure 6, the method can be executed by the AMF network element and can include the following steps.
  • S601 Based on the received ranging/direct connection positioning request, determine the ranging/direct connection positioning capability information, where the ranging/direct connection positioning capability information indicates the location of the LMF network element used to perform the ranging/direct connection positioning service.
  • the required ranging/direct connection positioning capabilities are triggering capability, reporting capability and computing capability.
  • S602 Based on the ranging/direct connection positioning capability information, select an LMF network element with triggering capability, reporting capability and computing capability.
  • the selected LMF network element In order to support ranging/direct positioning services, the selected LMF network element needs to have at least triggering capability and reporting capability.
  • the triggering capability is used to trigger measurement between two or more UEs based on the request received from the AMF network element.
  • the distance/direct connection positioning service is provided, and the reporting capability is used to report the ranging/direct connection positioning results to the AMF network element.
  • the selected LMF network element can also have computing capabilities, where the computing capabilities are used to calculate ranging/directly connected positioning results based on ranging/directly connected positioning measurement data.
  • the AMF network element may choose to have the triggering capability, reporting capability, and LMF network elements with computing capabilities.
  • the computing capabilities include any of the following: calculating a relative distance between two UEs; calculating a relative direction between two UEs; calculating a relative distance between two UEs with a specified accuracy; calculating a relative distance between two UEs.
  • the relative direction between UEs with specified precision Calculate the relative distance between one UE and multiple UEs; Calculate the relative direction between one UE and multiple UEs; Calculate the specified precision between one UE and multiple UEs Relative distance; calculates the relative direction between one UE and multiple UEs with specified accuracy.
  • the calculation capability of the selected LMF network element may include calculating the relative distance and/or relative direction between one UE and one or more UEs.
  • the calculation capability between one UE and one or more UEs may be calculated. Specifies the relative distance and/or relative direction to the precision.
  • the LMF network element can calculate the relative distance and/or relative direction between a UE and one or more UEs based on the default accuracy or actual measurement conditions.
  • the AMF network element determines that the ranging/direct-connected positioning capabilities required to execute the ranging/direct-connected positioning service are the triggering capabilities and reporting based on the received ranging/direct-connected positioning request. capability, the AMF network element can select an LMF network element with triggering capabilities and reporting capabilities, thereby enabling the AMF network element to select an appropriate LMF network element to perform ranging/direct connection positioning services.
  • FIG. 7 shows a schematic flowchart of an LMF network element selection method according to an embodiment of the present disclosure. As shown in Figure 7, the method can be executed by the AMF network element and can include the following steps.
  • S701 Determine ranging/direct connection positioning capability information based on the received ranging/direct connection positioning request.
  • the ranging/direct connection positioning capability information indicates the ranging/direct connection positioning capability required by the LMF network element used to perform the ranging/direct connection positioning service.
  • the ranging/direct connection positioning request includes ranging/direct connection positioning related information.
  • S702 Select the LMF network element used to perform the ranging/direct connection positioning service based on the ranging/direct connection positioning capability information and the ranging/direct connection positioning related information.
  • the ranging/direct-connected positioning related information includes at least one of the following: ranging/direct-connected positioning content, used to indicate the expected ranging/direct-connected positioning results; and ranging/direct-connected positioning service quality QoS information.
  • LMF network element selection is performed.
  • the selected LMF network element needs to have the ranging/direct-connected positioning capabilities required to perform the ranging/direct-connected positioning service.
  • the ranging/direct connection positioning request received by the AMF network element includes ranging/direct connection positioning related information.
  • the AMF network element performs LMF network element selection, it can determine the LMF indicating the ranging/direct connection positioning capability.
  • the ranging/direct-connected positioning capability information required by the network element and based on the ranging/direct-connected positioning capability information and the ranging/direct-connected positioning related information, select the LMF network element, thus LMF network elements with appropriate ranging/direct connection positioning capabilities can be selected to perform ranging/direct connection positioning services.
  • the ranging/direct-connected positioning related information may include ranging/direct-connected positioning content and/or ranging/direct-connected positioning QoS information.
  • the ranging/direct-connected positioning content is used to indicate the desired ranging/direct-connected positioning result.
  • the ranging/direct-connected positioning content indicates that the expected ranging/direct-connected positioning result is distance and/or direction.
  • the LMF network element selected by the AMF network element should be able to obtain the distance as the ranging/direct connection positioning result.
  • the desired ranging/direct connection positioning result is a direction
  • the LMF network element selected by the AMF network element should be able to obtain the direction as the ranging/direct connection positioning result.
  • the ranging/direct-connected positioning QoS information includes a QoS level, a specified accuracy related to an expected ranging/direct-connected positioning result, and a response time for performing the ranging/direct-connected positioning service.
  • the QoS levels include best-effort level, multi-QoS level and guaranteed level.
  • the best-effort level defines the least stringent requirements for QoS. For example, if the obtained position estimate does not meet the QoS requirements, the position estimate can still be returned but should include indication information indicating that the requested QoS is not met; if the position estimate is not obtained, an error indication should be sent.
  • Multiple QoS levels define moderately stringent requirements for QoS. For example, if the obtained location estimate does not meet the most stringent QoS requirement, another location estimate can be triggered at the LMF network element to try to meet other QoS requirements that are less stringent. This process can be iterated until the least stringent QoS requirement has been tried. Other QoS requirements. If the obtained position estimate does not meet the least stringent other QoS requirements, the position estimate should be abandoned and an error indication should be sent.
  • the specified accuracy related to the desired ranging/directly connected positioning result may indicate the specified accuracy with respect to the distance.
  • the specified accuracy associated with the desired ranging/direct positioning result may indicate the specified accuracy with respect to the direction.
  • the response time for performing ranging/direct positioning services can indicate that the response time is a specified length of time.
  • ranging/direct connection positioning capabilities include: triggering capabilities for triggering ranging/direct connection positioning services between two or more UEs; and reporting ranging/direct connection positioning results Reporting capabilities to AMF network elements.
  • the selected LMF network element needs to have at least triggering capability and reporting capability.
  • the triggering capability is used to trigger measurement between two or more UEs based on the request received from the AMF network element.
  • the distance/direct connection positioning service is provided, and the reporting capability is used to report the ranging/direct connection positioning results to the AMF network element.
  • the ranging/direct connection positioning capability further includes: computing capabilities for calculating ranging/direct connection positioning results.
  • the selected LMF network elements In order to support ranging/direct connection positioning services, in addition to triggering capabilities and reporting capabilities, the selected LMF network elements also need to have computing capabilities, where the computing capabilities are used to calculate ranging/direct connection positioning results based on ranging/direct connection positioning measurement data. .
  • the UE when the selected LMF network element does not have the computing capability for calculating ranging/direct connection positioning results, the UE is required to calculate the ranging/direct connection positioning results and use the calculated ranging/direct connection positioning results.
  • the positioning result is sent to the LMF network element.
  • the AMF network element determines the measurement indicating triggering capability and reporting capability in response to the ranging/direct-connected positioning request.
  • the AMF network element can be based on the ranging/direct connection positioning capability information and the ranging/direct connection For positioning content, select an LMF network element that has triggering and reporting capabilities and can obtain distance as a ranging/directly connected positioning result.
  • the AMF network element if the AMF network element receives a ranging/direct-connected positioning request that includes ranging/direct-connected positioning QoS information, the AMF network element responds to the received ranging/direct-connected positioning request and determines the indication triggering capability. , reporting capabilities and computing capabilities ranging/direct-connected positioning capability information, and the ranging/direct-connected positioning QoS information indicates that the response time for executing the ranging/direct-connected positioning service is low latency, then the AMF network element can be based on the measurement For distance/direct connection positioning capability information and ranging/direct connection positioning QoS information, select LMF network elements with triggering capabilities, reporting capabilities, computing capabilities, and low latency.
  • the computing capabilities include any of the following: calculating a relative distance between two UEs; calculating a relative direction between two UEs; calculating a relative distance between two UEs with a specified accuracy; calculating a relative distance between two UEs.
  • the relative direction between UEs with specified precision Calculate the relative distance between one UE and multiple UEs; Calculate the relative direction between one UE and multiple UEs; Calculate the specified precision between one UE and multiple UEs Relative distance; calculates the relative direction between one UE and multiple UEs with specified accuracy.
  • the calculation capability of the selected LMF network element may include calculating the relative distance and/or relative direction between one UE and one or more UEs.
  • the calculation capability between one UE and one or more UEs may be calculated.
  • the specified accuracy can be indicated by ranging/direct-connected positioning QoS information.
  • the LMF network element can calculate the relative distance and/or relative direction between a UE and one or more UEs based on the default accuracy or actual measurement conditions.
  • the AMF network element determines the ranging/direct-connected positioning capability information required to perform the ranging/direct-connected positioning service based on the received ranging/direct-connected positioning request, and determines the ranging/direct-connected positioning capability information based on the received ranging/direct-connected positioning request.
  • the distance/direct connection positioning capability information and the ranging/direct connection positioning related information included in the ranging/direct connection positioning request select the LMF network element used to perform the ranging/direct connection positioning service, thereby enabling the AMF network element to Select the appropriate LMF network element to perform ranging/direct connection positioning services.
  • FIG 8 shows a schematic flowchart of an LMF network element selection method according to an embodiment of the present disclosure. As shown in Figure 8, the method can be executed by the AMF network element and can include the following steps.
  • S801 Determine ranging/direct-connected positioning capability information based on the received ranging/direct-connected positioning request including ranging/direct-connected positioning QoS information, where the ranging/direct-connected positioning capability information indicates that the ranging/direct-connected positioning capability information is used to perform ranging/ Ranging/direct connection positioning capabilities required by LMF network elements for direct connection positioning services.
  • S802 Based on the ranging/direct connection positioning capability information and the ranging/direct connection positioning QoS information, select an LMF network element for performing the ranging/direct connection positioning service.
  • the AMF network element can determine the information indicating the ranging/direct-connected positioning capability when performing LMF network element selection.
  • the ranging/direct-connected positioning capability information required by the LMF network element and based on the ranging/direct-connected positioning capability information and the ranging/direct-connected positioning QoS information, select the LMF network element, by This can select an LMF network element that has appropriate ranging/direct-connected positioning capabilities and meets the requirements indicated by the ranging/direct-connected positioning QoS information to perform the ranging/direct-connected positioning service.
  • the ranging/direct-connected positioning QoS information includes a QoS level, a specified accuracy related to an expected ranging/direct-connected positioning result, and a response time for performing the ranging/direct-connected positioning service.
  • the QoS levels include best-effort level, multi-QoS level and guaranteed level.
  • the best-effort level defines the least stringent requirements for QoS. For example, if the obtained position estimate does not meet the QoS requirements, the position estimate can still be returned but should include indication information indicating that the requested QoS is not met; if the position estimate is not obtained, an error indication should be sent.
  • Multiple QoS levels define moderately stringent requirements for QoS. For example, if the obtained location estimate does not meet the most stringent QoS requirement, another location estimate can be triggered at the LMF network element to try to meet other QoS requirements that are less stringent. This process can be iterated until the least stringent QoS requirement has been tried. Other QoS requirements. If the obtained position estimate does not meet the least stringent other QoS requirements, the position estimate should be abandoned and an error indication should be sent.
  • the specified accuracy related to the desired ranging/directly connected positioning result may indicate the specified accuracy with respect to the distance.
  • the specified accuracy associated with the desired ranging/direct positioning result may indicate the specified accuracy with respect to the direction.
  • the response time for performing ranging/direct positioning services can indicate that the response time is a specified length of time.
  • ranging/direct connection positioning capabilities include: triggering capabilities for triggering ranging/direct connection positioning services between two or more UEs; and reporting ranging/direct connection positioning results Reporting capabilities to AMF network elements.
  • the ranging/direct connection positioning capability further includes: computing capabilities for calculating ranging/direct connection positioning results.
  • the computing capabilities include any of the following: calculating a relative distance between two UEs; calculating a relative direction between two UEs; calculating a relative distance between two UEs with a specified accuracy; calculating a relative distance between two UEs.
  • the relative direction between UEs with specified precision Calculate the relative distance between one UE and multiple UEs; Calculate the relative direction between one UE and multiple UEs; Calculate the specified precision between one UE and multiple UEs Relative distance; calculates the relative direction between one UE and multiple UEs with specified accuracy.
  • the AMF network element receives a ranging/direct-connected positioning request that includes ranging/direct-connected positioning QoS information
  • the AMF network element responds to the received ranging/direct-connected positioning request and determines the indication triggering capability, reporting capability, and computing capability.
  • the ranging/direct-connected positioning capability information, and the ranging/direct-connected positioning QoS information indicates that the response time for executing the ranging/direct-connected positioning service is low latency, then the AMF network element can be based on the ranging/direct-connected positioning capability For information and ranging/direct positioning QoS information, select LMF network elements that have triggering capabilities, reporting capabilities, computing capabilities, and low latency.
  • the AMF network element determines the ranging/direct-connected positioning capability information required to perform the ranging/direct-connected positioning service based on the received ranging/direct-connected positioning request, and determines the ranging/direct-connected positioning capability information based on the received ranging/direct-connected positioning request.
  • the distance/direct connection positioning capability information and the ranging/direct connection positioning QoS information included in the ranging/direct connection positioning request select the LMF network element used to perform the ranging/direct connection positioning service, thereby enabling the AMF network element to Select the appropriate LMF network element to perform ranging/direct connection positioning services.
  • FIG 9 shows a schematic flowchart of an LMF network element selection method according to an embodiment of the present disclosure. As shown in Figure 9, the method can be executed by the AMF network element and can include the following steps.
  • S902 Based on the ranging/direct connection positioning capability information and the ranging/direct connection positioning content, select the LMF network element used to perform the ranging/direct connection positioning service.
  • the AMF network element can determine the LMF indicating the ranging/direct connection positioning capability when performing LMF network element selection.
  • the ranging/direct-connected positioning content is used to indicate the desired ranging/direct-connected positioning result.
  • the ranging/direct-connected positioning content indicates that the expected ranging/direct-connected positioning result is distance and/or direction.
  • the LMF network element selected by the AMF network element should be able to obtain the distance as the ranging/direct connection positioning result.
  • the desired ranging/direct connection positioning result is a direction
  • the LMF network element selected by the AMF network element should be able to obtain the direction as the ranging/direct connection positioning result.
  • ranging/direct connection positioning capabilities include: triggering capabilities for triggering ranging/direct connection positioning services between two or more UEs; and reporting ranging/direct connection positioning results Reporting capabilities to AMF network elements.
  • the ranging/direct connection positioning capability further includes: computing capabilities for calculating ranging/direct connection positioning results.
  • the computing capabilities include any of the following: calculating a relative distance between two UEs; calculating a relative direction between two UEs; calculating a relative distance between two UEs with a specified accuracy; calculating a relative distance between two UEs.
  • the relative direction between UEs with specified precision Calculate the relative distance between one UE and multiple UEs; Calculate the relative direction between one UE and multiple UEs; Calculate the specified precision between one UE and multiple UEs Relative distance; calculates the relative direction between one UE and multiple UEs with specified accuracy.
  • the AMF network element If the AMF network element receives a ranging/direct-connected positioning request that includes ranging/direct-connected positioning content, the AMF network element responds to the ranging/direct-connected positioning request to determine the ranging/direct-connected positioning that indicates the triggering capability and reporting capability.
  • capability information and the ranging/direct-connected positioning content indicates that the expected ranging/direct-connected positioning result is distance
  • the AMF network element can select a trigger based on the ranging/direct-connected positioning capability information and the ranging/direct-connected positioning content.
  • the LMF network element has the capability and reporting capability and can obtain the distance as the ranging/directly connected positioning result.
  • the AMF network element determines the ranging/direct-connected positioning capability information required to perform the ranging/direct-connected positioning service based on the received ranging/direct-connected positioning request, and determines the ranging/direct-connected positioning capability information based on the received ranging/direct-connected positioning request.
  • the distance/direct connection positioning capability information and the ranging/direct connection positioning content included in the ranging/direct connection positioning request select the LMF network element used to perform the ranging/direct connection positioning service, thereby enabling the AMF network element to select Go to the appropriate LMF network element to perform ranging/direct connection positioning services.
  • Figure 10 shows a schematic diagram of a ranging/direct positioning service flow according to an embodiment of the present disclosure. As shown in Figure 10, the business process may include the following steps.
  • S1001 Generate a ranging/direct connection positioning request.
  • This step can include any of S1001a and S1001b.
  • the ranging/direct-connected positioning service is initiated by the AF network element; when initiated by the AF network element, the AF network element sends the measurement data to the Gateway Mobile Location Center (GMLC) network element through the Network Exposure Function (NEF) network element.
  • GMLC Gateway Mobile Location Center
  • NEF Network Exposure Function
  • the GMLC network element obtains the privacy settings and the address of the available AMF network element from the Unified Data Management (UDM, Unified Data Management) network element.
  • UDM Unified Data Management
  • the GMLC network element After determining the available AMF network element, the GMLC network element sends a request to the AMF network element. Send the ranging/direct connection positioning request; when the 5GC NF network element initiates, the 5GC NF network element sends the ranging/direct connection positioning request to the GMLC network element, and the GMLC network element obtains the privacy settings and available AMF network elements from the UDM network element.
  • the GMLC network element sends the ranging/direct connection positioning request to the AMF network element; in S1001b, UE1 initiates the ranging/direct connection positioning service. Specifically, UE1 The network element sends a ranging/direct connection positioning request, and the AMF network element obtains privacy settings from the UDM network element.
  • the AMF network element performs LMF network element selection in response to the obtained ranging/direct connection positioning request.
  • the AMF network element sends a ranging/direct connection positioning request to the selected LMF network element.
  • the selected LMF network element sends a ranging/direct-connected positioning request to UE1 to initiate the ranging/direct-connected positioning service.
  • the LMF network element obtains the ranging/direct connection positioning result.
  • This step may include S1006a or S1006b-1 and S1006b-2; wherein, in S1006a, UE1 directly reports the ranging/direct connection positioning result to the LMF network element. ; In S1006b-1, UE1 reports the measurement data to the LMF network element. In S1006b-2, the LMF network element calculates the ranging/direct connection positioning result based on the measurement data.
  • the LMF network element sends the ranging/direct connection positioning results to the AMF network element, and the AMF network element transmits the ranging results through interactions with the GMLC network element, UDM network element, NEF network element and AF/5GC NF network element. /Direct connection positioning results are sent to the corresponding network elements.
  • the methods provided by the embodiments of the present application are introduced from the perspective of network equipment.
  • the network device may include a hardware structure and a software module to implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • a certain function among the above functions can be executed by a hardware structure, a software module, or a hardware structure plus a software module.
  • the present disclosure also provides an LMF network element selection device.
  • the element selection method corresponds to the LMF network element selection method, so the implementation of the LMF network element selection method is also applicable to the LMF network element selection device provided in this embodiment, and will not be described in detail in this embodiment.
  • FIG 11 is a schematic structural diagram of an LMF network element selection device 1100 provided by an embodiment of the present disclosure.
  • the LMF network element selection device 1100 can be used for AMF network elements.
  • the device 1100 may include a processing module 1101.
  • the processing module 1101 is configured to select an LMF network element for performing ranging/direct connection positioning services based on the received ranging/direct connection positioning request.
  • the AMF network element selects the LMF network element for performing the ranging/direct connection positioning service based on the received ranging/direct connection positioning request, thereby enabling the AMF network element to Select the appropriate LMF network element to perform ranging/direct connection positioning services.
  • the processing module 1101 is configured to: determine ranging/direct connection positioning capability information based on the ranging/direct connection positioning request, wherein the ranging/direct connection positioning capability information indicates for The ranging/direct-connected positioning capability required by the LMF network element that performs the ranging/direct-connected positioning service; and based on the ranging/direct-connected positioning capability information, select the ranging/direct-connected positioning capability to perform the ranging/direct-connected positioning The LMF network element of the service.
  • the ranging/direct connection positioning request includes ranging/direct connection positioning related information
  • the processing module 601 is configured to: based on the ranging/direct connection positioning request, determine the ranging/direct connection positioning request.
  • Positioning capability information wherein the ranging/direct-connected positioning capability information indicates the ranging/direct-connected positioning capabilities required by the LMF network element for performing the ranging/direct-connected positioning service; and based on the ranging /Direct connection positioning capability information and the ranging/direct connection positioning related information, select the LMF network element; wherein the ranging/direct connection positioning related information includes at least one of the following: ranging/direct connection positioning Content, used to indicate the expected ranging/direct-connected positioning results; and ranging/direct-connected positioning service quality QoS information.
  • the ranging/direct connection positioning capability includes: a triggering capability for triggering the ranging/direct connection positioning service between two or more user equipments (UEs, User Equipment); and The ability to report ranging/direct connection positioning results to the AMF network element.
  • UEs User Equipment
  • the ranging/direct connection positioning capabilities further include: computing capabilities for calculating ranging/direct connection positioning results.
  • the computing capabilities include any of the following: calculating a relative distance between two UEs; calculating a relative direction between two UEs; calculating a relative distance between two UEs with a specified accuracy; Calculate the relative direction between two UEs with specified accuracy; calculate the relative distance between one UE and multiple UEs; calculate the relative direction between one UE and multiple UEs; calculate the specified precision between one UE and multiple UEs. Relative distance of accuracy; calculates the relative direction of specified accuracy between one UE and multiple UEs.
  • the ranging/direct-connected positioning QoS information includes a QoS level, a specified accuracy related to the desired ranging/direct-connected positioning result, and a response for performing the ranging/direct-connected positioning service. time.
  • FIG 12 is a schematic structural diagram of a communication device 1200 provided by an embodiment of the present application.
  • the communication device 1200 may be a network device, a user equipment, a chip, a chip system, or a processor that supports network equipment to implement the above method, or a chip, a chip system, or a processor that supports user equipment to implement the above method. Processor etc.
  • the device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.
  • Communication device 1200 may include one or more processors 1201.
  • the processor 1201 may be a general-purpose processor or a special-purpose processor, or the like.
  • it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data.
  • the central processor can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.) and execute computer programs. , processing data for computer programs.
  • the communication device 1200 may also include one or more memories 1202, on which a computer program 1204 may be stored.
  • the processor 1201 executes the computer program 1204, so that the communication device 1200 performs the steps described in the above method embodiments. method.
  • data may also be stored in the memory 1202.
  • the communication device 1200 and the memory 1202 can be provided separately or integrated together.
  • the communication device 1200 may also include a transceiver 1205 and an antenna 1206.
  • the transceiver 1205 may be called a transceiver unit, a transceiver, a transceiver circuit, etc., and is used to implement transceiver functions.
  • the transceiver 1205 may include a receiver and a transmitter.
  • the receiver may be called a receiver or a receiving circuit, etc., used to implement the receiving function;
  • the transmitter may be called a transmitter, a transmitting circuit, etc., used to implement the transmitting function.
  • the communication device 1200 may also include one or more interface circuits 1207.
  • the interface circuit 1207 is used to receive code instructions and transmit them to the processor 1201 .
  • the processor 1201 executes the code instructions to cause the communication device 1200 to perform the method described in the above method embodiment.
  • the processor 1201 may include a transceiver for implementing receiving and transmitting functions.
  • the transceiver may be a transceiver circuit, an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
  • the processor 1201 may store a computer program 1203, and the computer program 1203 runs on the processor 1201, causing the communication device 1200 to perform the method described in the above method embodiment.
  • the computer program 1203 may be solidified in the processor 1201, in which case the processor 1201 may be implemented by hardware.
  • the communication device 1200 may include a circuit, which may implement the functions of sending or receiving or communicating in the foregoing method embodiments.
  • the processor and transceiver described in this application can be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits RFICs, mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS n-type metal oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be network equipment or user equipment, but the scope of the communication device described in this application is not limited thereto, and the structure of the communication device may not be limited by FIG. 12 .
  • the communication device may be a stand-alone device or may be part of a larger device.
  • the communication device may be:
  • the IC collection may also include storage components for storing data and computer programs;
  • the communication device may be a chip or a chip system
  • the schematic structural diagram of the chip shown in FIG. 13 refer to the schematic structural diagram of the chip shown in FIG. 13 .
  • the chip shown in Figure 13 includes a processor 1301 and an interface 1302.
  • the number of processors 1301 may be one or more, and the number of interfaces 1302 may be multiple.
  • the chip also includes a memory 1303, which is used to store necessary computer programs and data.
  • This application also provides a readable storage medium on which instructions are stored. When the instructions are executed by a computer, the functions of any of the above method embodiments are implemented.
  • This application also provides a computer program product, which, when executed by a computer, implements the functions of any of the above method embodiments.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer programs.
  • the computer program When the computer program is loaded and executed on a computer, the processes or functions described in the embodiments of the present application are generated in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer program may be stored in or transferred from one computer-readable storage medium to another, for example, the computer program may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated.
  • the usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks, SSD)) etc.
  • magnetic media e.g., floppy disks, hard disks, magnetic tapes
  • optical media e.g., high-density digital video discs (DVD)
  • DVD digital video discs
  • semiconductor media e.g., solid state disks, SSD
  • At least one in this application can also be described as one or more, and the plurality can be two, three, four or more, which is not limited by this application.
  • the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
  • the technical features described in “first”, “second”, “third”, “A”, “B”, “C” and “D” are in no particular order or order.
  • machine-readable medium and “computer-readable medium” refer to any computer program product, apparatus, and/or means for providing machine instructions and/or data to a programmable processor (for example, magnetic disks, optical disks, memories, programmable logic devices (PLD)), including machine-readable media that receive machine instructions as machine-readable signals.
  • machine-readable signal refers to any signal used to provide machine instructions and/or data to a programmable processor.
  • the systems and techniques described herein may be implemented in a computing system that includes back-end components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes front-end components (e.g., A user's computer having a graphical user interface or web browser through which the user can interact with implementations of the systems and technologies described herein), or including such backend components, middleware components, or any combination of front-end components in a computing system.
  • the components of the system may be interconnected by any form or medium of digital data communication (eg, a communications network). Examples of communication networks include: local area network (LAN), wide area network (WAN), and the Internet.
  • Computer systems may include clients and servers.
  • Clients and servers are generally remote from each other and typically interact over a communications network.
  • the relationship of client and server is created by computer programs running on corresponding computers and having a client-server relationship with each other.

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Abstract

本公开提出了一种LMF网元选择方法及装置，涉及通信领域，本申请的技术方案主要是AMF网元基于接收到的测距/直连定位请求选择用于执行测距/直连定位业务的LMF网元，由此，使得AMF网元能够选择到合适的LMF网元来执行测距/直连定位业务。

Description

定位管理功能网元选择方法及装置 技术领域
本公开涉及移动通信技术领域，特别涉及一种定位管理功能(LMF，Location Management Function)网元选择方法及装置。
背景技术
在无线通信系统中，通常由定位管理功能(LMF，Location Management Function)网元来确定用户设备(UE，User Equipment)的位置信息，以便实现两个或更多个UE之间的通信。UE的位置信息可以通过测距/直连定位业务来确定，其中测距用于确定两个或更多个UE之间的距离和/或方向和/或相对位置，直连定位用于定位UE。然而，由于并非所有LMF网元都能够支持测距/直连定位业务，由此如何选择合适的LMF网元执行测距/直连定位业务成为目前亟待解决的问题。
发明内容
本公开提出了一种定位管理功能(LMF，Location Management Function)网元选择方法及装置，使得接入和移动性管理功能(AMF，Access and Mobility Management Function)网元能够选择到合适的LMF网元来执行测距/直连定位业务。
本公开的第一方面实施例提供了一种LMF网元选择方法，由AMF网元执行，所述方法包括：基于接收到的测距/直连定位请求，选择用于执行测距/直连定位业务的LMF网元。
可选地，所述选择用于执行测距/直连定位业务的LMF网元包括：基于所述测距/直连定位请求，确定测距/直连定位能力信息，其中，所述测距/直连定位能力信息指示用于执行所述测距/直连定位业务的LMF网元所需的测距/直连定位能力；以及基于所述测距/直连定位能力信息，选择用于执行所述测距/直连定位业务的LMF网元。
可选地，所述测距/直连定位请求包括测距/直连定位相关信息，所述选择用于执行测距/直连定位业务的LMF网元包括：基于所述测距/直连定位请求，确定测距/直连定位能力信息，其中，所述测距/直连定位能力信息指示用于执行所述测距/直连定位业务的LMF网元所需的测距/直连定位能力；以及基于所述测距/直连定位能力信息以及所述测距/直连定位相关信息，选择所述LMF网元；其中，所述测距/直连定位相关信息包括以下中至少一种：测距/直连定位内容，用于指示期望的测距/直连定位结果；和测距/直连定位服务质量(QoS，Quality of Service)信息。
可选地，所述测距/直连定能力包括：用于触发两个或更多个用户设备(UE，User Equipment)之间的测距/直连定位业务的触发能力；以及用于上报测距/直连定位结果至所述AMF网元的上报能力。
可选地，所述测距/直连定能力还包括：用于计算测距/直连定位结果的计算能力。
可选地，所述计算能力包括以下中任一项：计算两个UE之间的相对距离；计算两个UE之间的相对方向；计算两个UE之间的指定精度的相对距离；计算两个UE之间的指定精度的相对方向；计算一个UE与多个UE之间的相对距离；计算一个UE与多个UE之间的相对方向；计算一个UE与多个UE之间的指定精度的相对距离；计算一个UE与多个UE之间的指定精度的相对方向。
可选地，所述测距/直连定位QoS信息包括QoS等级、与所述期望的测距/直连定位结果相关的指定精度、以及执行所述测距/直连定位业务的响应时间。
本公开的第二方面实施例提供了一种LMF网元选择装置，用于AMF网元，包括：处理模块，用于基于接收到的测距/直连定位请求，选择用于执行测距/直连定位业务的LMF网元。
可选地，所述处理模块用于：基于所述测距/直连定位请求，确定测距/直连定位能力信息，其中，所述测距/直连定位能力信息指示用于执行所述测距/直连定位业务的LMF网元所需的测距/直连定位能力；以及基于所述测距/直连定位能力信息，选择用于执行所述测距/直连定位业务的LMF网元。
可选地，所述测距/直连定位请求包括测距/直连定位相关信息，所述处理模块用于：基于所述测距/直连定位请求，确定测距/直连定位能力信息，其中，所述测距/直连定位能力信息指示用于执行所述测距/直连定位业务的LMF网元所需的测距/直连定位能力；以及基于所述测距/直连定位能力信息以及所述测距/直连定位相关信息，选择所述LMF网元；其中，所述测距/直连定位相关信息包括以下中至少一种：测距/直连定位内容，用于指示期望的测距/直连定位结果；和测距/直连定位服务质量QoS信息。
可选地，所述测距/直连定能力包括：用于触发两个或更多个用户设备(UE，User Equipment)之间的测距/直连定位业务的触发能力；以及用于上报测距/直连定位结果至所述AMF网元的上报能力。
可选地，所述测距/直连定能力还包括：用于计算测距/直连定位结果的计算能力。
可选地，所述计算能力包括以下中任一项：计算两个UE之间的相对距离；计算两个UE之间的相对方向；计算两个UE之间的指定精度的相对距离；计算两个UE之间的指定精度的相对方向；计算一个UE与多个UE之间的相对距离；计算一个UE与多个UE之间的相对方向；计算一个UE与多个UE之间的指定精度的相对距离；计算一个UE与多个UE之间的指定精度的相对方向。
可选地，所述测距/直连定位QoS信息包括QoS等级、与所述期望的测距/直连定位结果相关的指定精度、以及执行所述测距/直连定位业务的响应时间。
本公开的第三方面实施例提供了一种通信设备，包括：收发器；存储器；处理器，分别与所述收发器及所述存储器连接，配置为通过执行所述存储器上的计算机可执行指令，控制所述收发器的无线信号收发，并能够实现上述第一方面实施例的LMF网元选择方法。
本公开第四面实施例提出了一种计算机存储介质，其中，所述计算机存储介质存储有计算机可执行指令；所述计算机可执行指令被处理器执行后，能够实现上述第一方面实施例的LMF网元选择方法。
本公开实施例提供了一种LMF网元选择方法及装置，AMF网元基于接收到的测距/直连定位请求选择用于执行测距/直连定位业务的LMF网元，由此，使得AMF网元能够选择到合适的LMF网元来执行测距/直连定位业务。
本公开附加的方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本公开的实践了解到。
附图说明
本公开上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：
图1为示出一个终端相对于另一终端的方向的示意图；
图2为示出为5G覆盖内或覆盖外的UE提供测距服务的示意图；
图3为根据本公开实施例的一种LMF网元选择方法的流程示意图；
图4为根据本公开实施例的一种LMF网元选择方法的流程示意图；
图5为根据本公开实施例的一种LMF网元选择方法的流程示意图；
图6为根据本公开实施例的一种LMF网元选择方法的流程示意图；
图7为根据本公开实施例的一种LMF网元选择方法的流程示意图；
图8为根据本公开实施例的一种LMF网元选择方法的流程示意图；
图9为根据本公开实施例的一种LMF网元选择方法的流程示意图；
图10为根据本公开实施例的测距/直连定位业务流程示意图；
图11为根据本公开实施例的一种LMF网元选择装置的框图；
图12为本公开实施例提供的一种通信装置的结构示意图；
图13为本公开实施例提供的一种芯片的结构示意图。
具体实施方式
下面详细描述本公开的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本公开，而不能理解为对本公开的限制。
在无线通信系统中，通常由定位管理功能(LMF，Location Management Function)网元来确定用户设备(UE，User Equipment)的位置信息，以便实现两个或更多个UE之间的通信。UE的位置信息可以通过测距/直连定位业务来确定，其中测距用于确定两个或更多个UE之间的距离和/或方向和/或相对位置，直连定位用于定位UE。
测距/直连定位包括距离测量和方向测量中的一者或两者。
在三维情况下，一个终端相对于另一终端的方向包括水平方向和竖直方向，如图1所示。观察终端具有参考面和参考方向。目标终端相对于观察终端的方向即为观察终端和目标终端之间的连线至参考方向之间的角度，可由方位角和竖直方向表示。其中方位角由参考方向与观察终端至目标终端的连线在参考面上的投影之间的角度指示，参考方向正交于z轴。目标终端的竖直方向未水平面上的角度。
在5G覆盖内或5G覆盖外可以支持测距/直连定位业务，如图2所示。若授权频带可用于测距，则该授权频带应完全受运营商控制。
在一些测距/直连定位场景中，LMF网元用于向UE发起测距/直连定位过程。LMF网元用于确定UE的位置，然而，并非每个LMF网元能处理测距/直连定位请求，即基于从接入和移动性管理功能(AMF，Access and Mobility Management Function)网元接收到的请求向UE发起测距/直连定位过程， 基于测量数据生成测距/直连定位结果并将结果上报给AMF网元。如果需要LMF网元参与测距/直连定位过程，AMF网元需要选择支持测距/直连定位功能的LMF网元。由此如何选择合适的LMF网元执行测距/直连定位业务成为目前亟待解决的问题。
为此，本公开提出了一种LMF网元选择方法及装置，使得AMF网元能够选择到合适的LMF网元来执行测距/直连定位业务。
下面结合附图对本申请所提供的LMF网元选择方法及装置进行详细地介绍。
图3示出了根据本公开实施例的一种LMF网元选择方法的流程示意图。如图3所示，该方法可由AMF网元执行，且可以包括以下步骤。
S301，基于接收到的测距/直连定位请求，选择用于执行测距/直连定位业务的LMF网元。
在执行测距/直连定位业务的场景中，当AMF网元接收到测距/直连定位请求并且确定使用LMF网元进行测距/直连定位业务时，执行LMF网元选择。
根据本公开实施例的LMF网元选择方法，AMF网元基于接收到的测距/直连定位请求选择用于执行测距/直连定位业务的LMF网元，由此，使得AMF网元能够选择到合适的LMF网元来执行测距/直连定位业务。
图4示出了根据本公开实施例的一种LMF网元选择方法的流程示意图。如图4所示，该方法可由AMF网元执行，且可以包括以下步骤。
S401，基于接收到的测距/直连定位请求，确定测距/直连定位能力信息。
测距/直连定位能力信息指示用于执行测距/直连定位业务的LMF网元所需的测距/直连定位能力。
S402，基于测距/直连定位能力信息，选择用于执行测距/直连定位业务的LMF网元。
在执行测距/直连定位业务的场景中，当AMF网元接收到测距/直连定位请求并且确定使用LMF网元进行测距/直连定位业务时，执行LMF网元选择。为了支持测距/直连定位业务，所选LMF网元需要具有执行测距/直连定位业务所需的测距/直连定位能力。
AMF网元在执行LMF网元选择时，可以确定指示用于执行测距/直连定位能力的LMF网元所需的测距/直连定位能力的测距/直连定位能力信息，并根据该测距/直连定位能力信息，选择LMF网元，由此能够选择到具有合适的测距/直连定位能力的LMF网元来执行测距/直连定位业务。
在一些实施例中，测距/直连定能力包括：用于触发两个或更多个UE之间的测距/直连定位业务的触发能力；以及用于上报测距/直连定位结果至AMF网元的上报能力。
为了支持测距/直连定位业务，所选LMF网元至少需要具有触发能力和上报能力，其中触发能力用于基于从AMF网元接收到的请求触发两个或更多个UE之间的测距/直连定位业务，而上报能力用于向AMF网元上报测距/直连定位结果。
在一些实施例中，测距/直连定能力还包括：用于计算测距/直连定位结果的计算能力。
为了支持测距/直连定位业务，除了触发能力以及上报能力，所选LMF网元还需要具有计算能力，其中计算能力用于基于测距/直连定位测量数据计算测距/直连定位结果。
应注意的是，当所选LMF网元不具有用于计算测距/直连定位结果的计算能力，则需要UE来计算测距/直连定位结果，并将计算出的测距/直连定位结果发送给LMF网元。
在一示例中，若AMF网元响应于接收到的测距/直连定位请求，确定指示触发能力和上报能力的测距/直连定位能力信息，则AMF网元可以选择具有触发能力和上报能力的LMF网元。
在另一示例中，若AMF网元响应于接收到的测距/直连定位请求，确定指示触发能力、上报能力和计算能力的测距/直连定位能力信息，则AMF网元可以选择具有触发能力、上报能力和计算能力的LMF网元。
在一些实施例中，计算能力包括以下中任一项：计算两个UE之间的相对距离；计算两个UE之间的相对方向；计算两个UE之间的指定精度的相对距离；计算两个UE之间的指定精度的相对方向；计算一个UE与多个UE之间的相对距离；计算一个UE与多个UE之间的相对方向；计算一个UE与多个UE之间的指定精度的相对距离；计算一个UE与多个UE之间的指定精度的相对方向。
所选LMF网元所具有的计算能力可以包括计算一个UE与一个或与多个UE之间的相对距离和/或相对方向，特别地，可以计算一个UE与一个或与多个UE之间的指定精度的相对距离和/或相对方向。
在未指定精度的情况下，LMF网元可以根据默认精度或根据实际测量情况计算一个UE与一个或与多个UE之间的相对距离和/或相对方向。
根据本公开实施例的LMF网元选择方法，AMF网元基于接收到的测距/直连定位请求确定执行测距/直连定位业务所需的测距/直连定位能力信息，并基于该测距/直连定位能力信息选择用于执行测距/ 直连定位业务的LMF网元，由此，使得AMF网元能够选择到合适的LMF网元来执行测距/直连定位业务。
图5示出了根据本公开实施例的一种LMF网元选择方法的流程示意图。如图5所示，该方法可由AMF网元执行，且可以包括以下步骤。
S501，基于接收到的测距/直连定位请求，确定测距/直连定位能力信息，其中该测距/直连定位能力信息指示用于执行测距/直连定位业务的LMF网元所需的测距/直连定位能力为触发能力和上报能力。
S502，基于测距/直连定位能力信息，选择具有触发能力和上报能力的LMF网元。
为了支持测距/直连定位业务，所选LMF网元至少需要具有触发能力和上报能力，其中触发能力用于基于从AMF网元接收到的请求触发两个或更多个UE之间的测距/直连定位业务，而上报能力用于向AMF网元上报测距/直连定位结果。
若AMF网元响应于接收到的测距/直连定位请求，确定指示触发能力和上报能力的测距/直连定位能力信息，则AMF网元可以选择具有触发能力和上报能力的LMF网元。
根据本公开实施例的LMF网元选择方法，AMF网元基于接收到的测距/直连定位请求确定执行测距/直连定位业务所需的测距/直连定位能力为触发能力和上报能力，则AMF网元可以选择具有触发能力和上报能力的LMF网元，由此，使得AMF网元能够选择到合适的LMF网元来执行测距/直连定位业务。
图6示出了根据本公开实施例的一种LMF网元选择方法的流程示意图。如图6所示，该方法可由AMF网元执行，且可以包括以下步骤。
S601，基于接收到的测距/直连定位请求，确定测距/直连定位能力信息，其中该测距/直连定位能力信息指示用于执行测距/直连定位业务的LMF网元所需的测距/直连定位能力为触发能力、上报能力以及计算能力。
S602，基于测距/直连定位能力信息，选择具有触发能力、上报能力和计算能力的LMF网元。
为了支持测距/直连定位业务，所选LMF网元至少需要具有触发能力和上报能力，其中触发能力用于基于从AMF网元接收到的请求触发两个或更多个UE之间的测距/直连定位业务，而上报能力用于向AMF网元上报测距/直连定位结果。除了触发能力以及上报能力，所选LMF网元还可以具有计算能力，其中计算能力用于基于测距/直连定位测量数据计算测距/直连定位结果。
若AMF网元响应于接收到的测距/直连定位请求，确定指示触发能力、上报能力和计算能力的测距/直连定位能力信息，则AMF网元可以选择具有触发能力、上报能力和计算能力的LMF网元。
在一些实施例中，计算能力包括以下中任一项：计算两个UE之间的相对距离；计算两个UE之间的相对方向；计算两个UE之间的指定精度的相对距离；计算两个UE之间的指定精度的相对方向；计算一个UE与多个UE之间的相对距离；计算一个UE与多个UE之间的相对方向；计算一个UE与多个UE之间的指定精度的相对距离；计算一个UE与多个UE之间的指定精度的相对方向。
所选LMF网元所具有的计算能力可以包括计算一个UE与一个或与多个UE之间的相对距离和/或相对方向，特别地，可以计算一个UE与一个或与多个UE之间的指定精度的相对距离和/或相对方向。
在未指定精度的情况下，LMF网元可以根据默认精度或根据实际测量情况计算一个UE与一个或与多个UE之间的相对距离和/或相对方向。
根据本公开实施例的LMF网元选择方法，AMF网元基于接收到的测距/直连定位请求确定执行测距/直连定位业务所需的测距/直连定位能力为触发能力和上报能力，则AMF网元可以选择具有触发能力和上报能力的LMF网元，由此，使得AMF网元能够选择到合适的LMF网元来执行测距/直连定位业务。
图7示出了根据本公开实施例的一种LMF网元选择方法的流程示意图。如图7所示，该方法可由AMF网元执行，且可以包括以下步骤。
S701，基于接收到的测距/直连定位请求，确定测距/直连定位能力信息。
测距/直连定位能力信息指示用于执行测距/直连定位业务的LMF网元所需的测距/直连定位能力。测距/直连定位请求包括测距/直连定位相关信息。
S702，基于测距/直连定位能力信息以及测距/直连定位相关信息，选择用于执行测距/直连定位业务的LMF网元。
测距/直连定位相关信息包括以下中至少一种：测距/直连定位内容，用于指示期望的测距/直连定位结果；和测距/直连定位服务质量QoS信息。
在执行测距/直连定位业务的场景中，当AMF网元接收到测距/直连定位请求并且确定使用LMF网元进行测距/直连定位业务时，执行LMF网元选择。为了支持测距/直连定位业务，所选LMF网元需要具有执行测距/直连定位业务所需的测距/直连定位能力。
AMF网元所接收到的测距/直连定位请求包括测距/直连定位相关信息，AMF网元在执行LMF网元选择时，可以确定指示用于执行测距/直连定位能力的LMF网元所需的测距/直连定位能力的测距/直连定位能力信息，并根据该测距/直连定位能力信息以及测距/直连定位相关信息，选择LMF网元，由此能够选择到具有合适的测距/直连定位能力的LMF网元来执行测距/直连定位业务。
具体地，测距/直连定位相关信息可以包括测距/直连定位内容和/或测距/直连定位QoS信息。
其中，测距/直连定位内容用于指示期望的测距/直连定位结果，例如，测距/直连定位内容指示期望的测距/直连定位结果为距离和/或方向。当期望的测距/直连定位结果为距离时，则AMF网元所选的LMF网元应能够获得距离作为测距/直连定位结果。当期望的测距/直连定位结果为方向时，则AMF网元所选的LMF网元应能够获得方向作为测距/直连定位结果。
在一些实施例中，测距/直连定位QoS信息包括QoS等级、与期望的测距/直连定位结果相关的指定精度、以及执行测距/直连定位业务的响应时间。
其中QoS等级包括尽力而为等级、多QoS等级以及有保证等级。
尽力而为等级限定对QoS的最不严格要求。例如，如果所获得的位置估计不满足QoS要求，则该位置估计仍可返回但应包括指示所请求QoS未满足的指示信息；如果未获得位置估计，则应发送错误指示。
多QoS等级限定对QoS的中等严格要求。例如，如果所获得的位置估计不满足最严格的QoS要求，则可以在LMF网元触发另外的位置估计，尝试满足较不严格要求的其他QoS要求，该过程可以迭代直至已尝试最不严格的其他QoS要求，如果所获得的位置估计不满足该最不严格的其他QoS要求，则应放弃进行位置估计，并发送错误指示。
有保证等级限定对QoS的最严格要求。例如，如果所获得的位置估计不满足QoS要求，则应放弃进行位置估计，并发送错误指示。
其中，当期望的测距/直连定位结果为距离时，与期望的测距/直连定位结果相关的指定精度可以指示关于距离的指定精度。当期望的测距/直连定位结果为方向时，则与期望的测距/直连定位结果相关的指定精度可以指示关于方向的指定精度。
执行测距/直连定位业务的响应时间可以指示响应时间为指定时长。
在一些实施例中，测距/直连定能力包括：用于触发两个或更多个UE之间的测距/直连定位业务的触发能力；以及用于上报测距/直连定位结果至AMF网元的上报能力。
为了支持测距/直连定位业务，所选LMF网元至少需要具有触发能力和上报能力，其中触发能力用于基于从AMF网元接收到的请求触发两个或更多个UE之间的测距/直连定位业务，而上报能力用于向AMF网元上报测距/直连定位结果。
在一些实施例中，测距/直连定能力还包括：用于计算测距/直连定位结果的计算能力。
为了支持测距/直连定位业务，除了触发能力以及上报能力，所选LMF网元还需要具有计算能力，其中计算能力用于基于测距/直连定位测量数据计算测距/直连定位结果。
应注意的是，当所选LMF网元不具有用于计算测距/直连定位结果的计算能力，则需要UE来计算测距/直连定位结果，并将计算出的测距/直连定位结果发送给LMF网元。
在一示例中，若AMF网元接收到包括测距/直连定位内容的测距/直连定位请求，AMF网元响应于该测距/直连定位请求确定指示触发能力和上报能力的测距/直连定位能力信息，且测距/直连定位内容指示期望的测距/直连定位结果为距离时，则AMF网元可以基于测距/直连定位能力信息和测距/直连定位内容选择具有触发能力和上报能力且能够获得距离作为测距/直连定位结果的LMF网元。
在另一示例中，若AMF网元接收到包括测距/直连定位QoS信息的测距/直连定位请求，AMF网元响应于接收到的测距/直连定位请求，确定指示触发能力、上报能力和计算能力的测距/直连定位能力信息，且测距/直连定位QoS信息指示执行测距/直连定位业务的响应时间为低时延时，则AMF网元可以基于测距/直连定位能力信息和测距/直连定位QoS信息选择具有触发能力、上报能力、计算能力以及低时延的LMF网元。
在一些实施例中，计算能力包括以下中任一项：计算两个UE之间的相对距离；计算两个UE之间的相对方向；计算两个UE之间的指定精度的相对距离；计算两个UE之间的指定精度的相对方向；计算一个UE与多个UE之间的相对距离；计算一个UE与多个UE之间的相对方向；计算一个UE与多个UE之间的指定精度的相对距离；计算一个UE与多个UE之间的指定精度的相对方向。
所选LMF网元所具有的计算能力可以包括计算一个UE与一个或与多个UE之间的相对距离和/或相对方向，特别地，可以计算一个UE与一个或与多个UE之间的指定精度的相对距离和/或相对方向。其中，指定精度可以由测距/直连定位QoS信息指示。
在未指定精度的情况下，LMF网元可以根据默认精度或根据实际测量情况计算一个UE与一个或与多个UE之间的相对距离和/或相对方向。
根据本公开实施例的LMF网元选择方法，AMF网元基于接收到的测距/直连定位请求确定执行测距/直连定位业务所需的测距/直连定位能力信息，并基于测距/直连定位能力信息和测距/直连定位请求中包括的测距/直连定位相关信息选择用于执行测距/直连定位业务的LMF网元，由此，使得AMF网元能够选择到合适的LMF网元来执行测距/直连定位业务。
图8示出了根据本公开实施例的一种LMF网元选择方法的流程示意图。如图8所示，该方法可由AMF网元执行，且可以包括以下步骤。
S801，基于接收到的包括测距/直连定位QoS信息的测距/直连定位请求，确定测距/直连定位能力信息，其中测距/直连定位能力信息指示用于执行测距/直连定位业务的LMF网元所需的测距/直连定位能力。
S802，基于测距/直连定位能力信息和测距/直连定位QoS信息，选择用于执行测距/直连定位业务的LMF网元。
若AMF网元所接收到的测距/直连定位请求包括测距/直连定位QoS信息，AMF网元在执行LMF网元选择时，可以确定指示用于执行测距/直连定位能力的LMF网元所需的测距/直连定位能力的测距/直连定位能力信息，并根据该测距/直连定位能力信息以及测距/直连定位QoS信息，选择LMF网元，由此能够选择到具有合适的测距/直连定位能力且符合测距/直连定位QoS信息所指示的要求的LMF网元来执行测距/直连定位业务。
在一些实施例中，测距/直连定位QoS信息包括QoS等级、与期望的测距/直连定位结果相关的指定精度、以及执行测距/直连定位业务的响应时间。
其中QoS等级包括尽力而为等级、多QoS等级以及有保证等级。
尽力而为等级限定对QoS的最不严格要求。例如，如果所获得的位置估计不满足QoS要求，则该位置估计仍可返回但应包括指示所请求QoS未满足的指示信息；如果未获得位置估计，则应发送错误指示。
多QoS等级限定对QoS的中等严格要求。例如，如果所获得的位置估计不满足最严格的QoS要求，则可以在LMF网元触发另外的位置估计，尝试满足较不严格要求的其他QoS要求，该过程可以迭代直至已尝试最不严格的其他QoS要求，如果所获得的位置估计不满足该最不严格的其他QoS要求，则应放弃进行位置估计，并发送错误指示。
有保证等级限定对QoS的最严格要求。例如，如果所获得的位置估计不满足QoS要求，则应放弃进行位置估计，并发送错误指示。
其中，当期望的测距/直连定位结果为距离时，与期望的测距/直连定位结果相关的指定精度可以指示关于距离的指定精度。当期望的测距/直连定位结果为方向时，则与期望的测距/直连定位结果相关的指定精度可以指示关于方向的指定精度。
执行测距/直连定位业务的响应时间可以指示响应时间为指定时长。
在一些实施例中，测距/直连定能力包括：用于触发两个或更多个UE之间的测距/直连定位业务的触发能力；以及用于上报测距/直连定位结果至AMF网元的上报能力。
在一些实施例中，测距/直连定能力还包括：用于计算测距/直连定位结果的计算能力。
在一些实施例中，计算能力包括以下中任一项：计算两个UE之间的相对距离；计算两个UE之间的相对方向；计算两个UE之间的指定精度的相对距离；计算两个UE之间的指定精度的相对方向；计算一个UE与多个UE之间的相对距离；计算一个UE与多个UE之间的相对方向；计算一个UE与多个UE之间的指定精度的相对距离；计算一个UE与多个UE之间的指定精度的相对方向。
若AMF网元接收到包括测距/直连定位QoS信息的测距/直连定位请求，AMF网元响应于接收到的测距/直连定位请求，确定指示触发能力、上报能力和计算能力的测距/直连定位能力信息，且测距/直连定位QoS信息指示执行测距/直连定位业务的响应时间为低时延时，则AMF网元可以基于测距/直连定位能力信息和测距/直连定位QoS信息选择具有触发能力、上报能力、计算能力以及满足低时延的LMF网元。
根据本公开实施例的LMF网元选择方法，AMF网元基于接收到的测距/直连定位请求确定执行测距/直连定位业务所需的测距/直连定位能力信息，并基于测距/直连定位能力信息和测距/直连定位请求 中包括的测距/直连定位QoS信息选择用于执行测距/直连定位业务的LMF网元，由此，使得AMF网元能够选择到合适的LMF网元来执行测距/直连定位业务。
图9示出了根据本公开实施例的一种LMF网元选择方法的流程示意图。如图9所示，该方法可由AMF网元执行，且可以包括以下步骤。
S901，基于接收到的包括测距/直连定位内容的测距/直连定位请求，确定测距/直连定位能力信息，其中测距/直连定位能力信息指示用于执行测距/直连定位业务的LMF网元所需的测距/直连定位能力。
S902，基于测距/直连定位能力信息和测距/直连定位内容，选择用于执行测距/直连定位业务的LMF网元。
若AMF网元所接收到的测距/直连定位请求包括测距/直连定位内容，AMF网元在执行LMF网元选择时，可以确定指示用于执行测距/直连定位能力的LMF网元所需的测距/直连定位能力的测距/直连定位能力信息，并根据该测距/直连定位能力信息以及测距/直连定位内容，选择LMF网元，由此能够选择到具有合适的测距/直连定位能力且可提供测距/直连定位内容所指示的测距/直连定位结果的LMF网元来执行测距/直连定位业务。
在一些实施例中，测距/直连定位内容用于指示期望的测距/直连定位结果，例如，测距/直连定位内容指示期望的测距/直连定位结果为距离和/或方向。当期望的测距/直连定位结果为距离时，则AMF网元所选的LMF网元应能够获得距离作为测距/直连定位结果。当期望的测距/直连定位结果为方向时，则AMF网元所选的LMF网元应能够获得方向作为测距/直连定位结果。
在一些实施例中，测距/直连定能力包括：用于触发两个或更多个UE之间的测距/直连定位业务的触发能力；以及用于上报测距/直连定位结果至AMF网元的上报能力。
在一些实施例中，测距/直连定能力还包括：用于计算测距/直连定位结果的计算能力。
在一些实施例中，计算能力包括以下中任一项：计算两个UE之间的相对距离；计算两个UE之间的相对方向；计算两个UE之间的指定精度的相对距离；计算两个UE之间的指定精度的相对方向；计算一个UE与多个UE之间的相对距离；计算一个UE与多个UE之间的相对方向；计算一个UE与多个UE之间的指定精度的相对距离；计算一个UE与多个UE之间的指定精度的相对方向。
若AMF网元接收到包括测距/直连定位内容的测距/直连定位请求，AMF网元响应于该测距/直连定位请求确定指示触发能力和上报能力的测距/直连定位能力信息，且测距/直连定位内容指示期望的测距/直连定位结果为距离时，则AMF网元可以基于测距/直连定位能力信息和测距/直连定位内容选择具有触发能力和上报能力且能够获得距离作为测距/直连定位结果的LMF网元。
根据本公开实施例的LMF网元选择方法，AMF网元基于接收到的测距/直连定位请求确定执行测距/直连定位业务所需的测距/直连定位能力信息，并基于测距/直连定位能力信息和测距/直连定位请求中包括的测距/直连定位内容选择用于执行测距/直连定位业务的LMF网元，由此，使得AMF网元能够选择到合适的LMF网元来执行测距/直连定位业务。
图10示出了根据本公开实施例的一种测距/直连定位业务流程示意图。如图10所示，该业务流程可以包括以下步骤。
S1001，生成测距/直连定位请求，该步骤可以包括S1001a和S1001b中任一步骤；其中，在S1001a中，由应用功能(AF，Application Function)网元或5G核心网NF(5GC NF)网元发起测距/直连定位业务；当由AF网元发起时，AF网元通过网络功能(NEF，Network Exposure Function)网元向网关移动位置中心(GMLC，Gateway Mobile Location Center)网元发送测距/直连定位请求，GMLC网元从统一数据管理(UDM，Unified Data Management)网元获取隐私设置以及可用AMF网元的地址，在确定可用AMF网元之后，GMLC网元向该AMF网元发送该测距/直连定位请求；当5GC NF网元发起时，5GC NF网元向GMLC网元发送测距/直连定位请求，GMLC网元从UDM网元获取隐私设置以及可用AMF网元的地址，在确定可用AMF网元后，GMLC网元向该AMF网元发送该测距/直连定位请求；在S1001b中，由UE1发起测距/直连定位业务，具体地，UE1向AMF网元发送测距/直连定位请求，AMF网元从UDM网元获取隐私设置。
S1002，AMF网元响应于获得的测距/直连定位请求进行LMF网元选择。
S1003，AMF网元向所选LMF网元发送测距/直连定位请求。
S1004，所选LMF网元向UE1发送测距/直连定位请求以发起测距/直连定位业务。
S1005，UE1与UE2执行测距/直连定位过程。
S1006，LMF网元获得测距/直连定位结果，该步骤可以包括S1006a或包括S1006b-1和S1006b-2；其中，在S1006a中，UE1直接将测距/直连定位结果上报给LMF网元；在S1006b-1中，UE1将测量数据上报给LMF网元，在S1006b-2中，LMF网元基于测量数据计算测距/直连定位结果。
S1007，LMF网元将测距/直连定位结果发送给AMF网元，而AMF网元通过与GMLC网元、UDM网元、NEF网元以及AF/5GC NF网元之间的交互将测距/直连定位结果发送给相应网元。
上述本申请提供的实施例中，分别从网络设备的角度对本申请实施例提供的方法进行了介绍。为了实现上述本申请实施例提供的方法中的各功能，网络设备可以包括硬件结构、软件模块，以硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各功能。上述各功能中的某个功能可以以硬件结构、软件模块、或者硬件结构加软件模块的方式来执行。
与上述几种实施例提供的LMF网元选择方法相对应，本公开还提供一种LMF网元选择装置，由于本公开实施例提供的LMF网元选择装置与上述几种实施例提供的LMF网元选择方法相对应，因此LMF网元选择方法的实施方式也适用于本实施例提供的LMF网元选择装置，在本实施例中不再详细描述。
图11为本公开实施例提供的一种LMF网元选择装置1100的结构示意图，该LMF网元选择装置1100可用于AMF网元。
如图11所示，该装置1100可以包括处理模块1101。
处理模块1101用于基于接收到的测距/直连定位请求，选择用于执行测距/直连定位业务的LMF网元。
根据本公开实施例的LMF网元选择装置，AMF网元基于接收到的测距/直连定位请求选择用于执行测距/直连定位业务的LMF网元，由此，使得AMF网元能够选择到合适的LMF网元来执行测距/直连定位业务。
在一些实施例中，所述处理模块1101用于：基于所述测距/直连定位请求，确定测距/直连定位能力信息，其中，所述测距/直连定位能力信息指示用于执行所述测距/直连定位业务的LMF网元所需的测距/直连定位能力；以及基于所述测距/直连定位能力信息，选择用于执行所述测距/直连定位业务的LMF网元。
在一些实施例中，所述测距/直连定位请求包括测距/直连定位相关信息，所述处理模块601用于：基于所述测距/直连定位请求，确定测距/直连定位能力信息，其中，所述测距/直连定位能力信息指示用于执行所述测距/直连定位业务的LMF网元所需的测距/直连定位能力；以及基于所述测距/直连定位能力信息以及所述测距/直连定位相关信息，选择所述LMF网元；其中，所述测距/直连定位相关信息包括以下中至少一种：测距/直连定位内容，用于指示期望的测距/直连定位结果；和测距/直连定位服务质量QoS信息。
在一些实施例中，所述测距/直连定能力包括：用于触发两个或更多个用户设备(UE，User Equipment)之间的测距/直连定位业务的触发能力；以及用于上报测距/直连定位结果至所述AMF网元的上报能力。
在一些实施例中，所述测距/直连定能力还包括：用于计算测距/直连定位结果的计算能力。
在一些实施例中，所述计算能力包括以下中任一项：计算两个UE之间的相对距离；计算两个UE之间的相对方向；计算两个UE之间的指定精度的相对距离；计算两个UE之间的指定精度的相对方向；计算一个UE与多个UE之间的相对距离；计算一个UE与多个UE之间的相对方向；计算一个UE与多个UE之间的指定精度的相对距离；计算一个UE与多个UE之间的指定精度的相对方向。
在一些实施例中，所述测距/直连定位QoS信息包括QoS等级、与所述期望的测距/直连定位结果相关的指定精度、以及执行所述测距/直连定位业务的响应时间。
请参见图12，图12是本申请实施例提供的一种通信装置1200的结构示意图。通信装置1200可以是网络设备，也可以是用户设备，也可以是支持网络设备实现上述方法的芯片、芯片系统、或处理器等，还可以是支持用户设备实现上述方法的芯片、芯片系统、或处理器等。该装置可用于实现上述方法实施例中描述的方法，具体可以参见上述方法实施例中的说明。
通信装置1200可以包括一个或多个处理器1201。处理器1201可以是通用处理器或者专用处理器等。例如可以是基带处理器或中央处理器。基带处理器可以用于对通信协议以及通信数据进行处理，中央处理器可以用于对通信装置(如，基站、基带芯片，终端设备、终端设备芯片，DU或CU等)进行控制，执行计算机程序，处理计算机程序的数据。
可选的，通信装置1200中还可以包括一个或多个存储器1202，其上可以存有计算机程序1204，处理器1201执行所述计算机程序1204，以使得通信装置1200执行上述方法实施例中描述的方法。可 选的，所述存储器1202中还可以存储有数据。通信装置1200和存储器1202可以单独设置，也可以集成在一起。
可选的，通信装置1200还可以包括收发器1205、天线1206。收发器1205可以称为收发单元、收发机、或收发电路等，用于实现收发功能。收发器1205可以包括接收器和发送器，接收器可以称为接收机或接收电路等，用于实现接收功能；发送器可以称为发送机或发送电路等，用于实现发送功能。
可选的，通信装置1200中还可以包括一个或多个接口电路1207。接口电路1207用于接收代码指令并传输至处理器1201。处理器1201运行所述代码指令以使通信装置1200执行上述方法实施例中描述的方法。
在一种实现方式中，处理器1201中可以包括用于实现接收和发送功能的收发器。例如该收发器可以是收发电路，或者是接口，或者是接口电路。用于实现接收和发送功能的收发电路、接口或接口电路可以是分开的，也可以集成在一起。上述收发电路、接口或接口电路可以用于代码/数据的读写，或者，上述收发电路、接口或接口电路可以用于信号的传输或传递。
在一种实现方式中，处理器1201可以存有计算机程序1203，计算机程序1203在处理器1201上运行，可使得通信装置1200执行上述方法实施例中描述的方法。计算机程序1203可能固化在处理器1201中，该种情况下，处理器1201可能由硬件实现。
在一种实现方式中，通信装置1200可以包括电路，所述电路可以实现前述方法实施例中发送或接收或者通信的功能。本申请中描述的处理器和收发器可实现在集成电路(integrated circuit，IC)、模拟IC、射频集成电路RFIC、混合信号IC、专用集成电路(application specific integrated circuit，ASIC)、印刷电路板(printed circuit board，PCB)、电子设备等上。该处理器和收发器也可以用各种IC工艺技术来制造，例如互补金属氧化物半导体(complementary metal oxide semiconductor，CMOS)、N型金属氧化物半导体(nMetal-oxide-semiconductor，NMOS)、P型金属氧化物半导体(positive channel metal oxide semiconductor，PMOS)、双极结型晶体管(bipolar junction transistor，BJT)、双极CMOS(BiCMOS)、硅锗(SiGe)、砷化镓(GaAs)等。
以上实施例描述中的通信装置可以是网络设备或者用户设备，但本申请中描述的通信装置的范围并不限于此，而且通信装置的结构可以不受图12的限制。通信装置可以是独立的设备或者可以是较大设备的一部分。例如所述通信装置可以是：
(1)独立的集成电路IC，或芯片，或，芯片系统或子系统；
(2)具有一个或多个IC的集合，可选的，该IC集合也可以包括用于存储数据，计算机程序的存储部件；
(3)ASIC，例如调制解调器(Modem)；
(4)可嵌入在其他设备内的模块；
(5)接收机、终端设备、智能终端设备、蜂窝电话、无线设备、手持机、移动单元、车载设备、网络设备、云设备、人工智能设备等等；
(6)其他等等。
对于通信装置可以是芯片或芯片系统的情况，可参见图13所示的芯片的结构示意图。图13所示的芯片包括处理器1301和接口1302。其中，处理器1301的数量可以是一个或多个，接口1302的数量可以是多个。
可选的，芯片还包括存储器1303，存储器1303用于存储必要的计算机程序和数据。
本领域技术人员还可以了解到本申请实施例列出的各种说明性逻辑块(illustrative logical block)和步骤(step)可以通过电子硬件、电脑软件，或两者的结合进行实现。这样的功能是通过硬件还是软件来实现取决于特定的应用和整个系统的设计要求。本领域技术人员可以对于每种特定的应用，可以使用各种方法实现所述的功能，但这种实现不应被理解为超出本申请实施例保护的范围。
本申请还提供一种可读存储介质，其上存储有指令，该指令被计算机执行时实现上述任一方法实施例的功能。
本申请还提供一种计算机程序产品，该计算机程序产品被计算机执行时实现上述任一方法实施例的功能。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机程序。在计算机上加载和执行所述计算机程序时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机程序可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传 输，例如，所述计算机程序可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，高密度数字视频光盘(digital video disc，DVD))、或者半导体介质(例如，固态硬盘(solid state disk，SSD))等。
本领域普通技术人员可以理解：本申请中涉及的第一、第二等各种数字编号仅为描述方便进行的区分，并不用来限制本申请实施例的范围，也表示先后顺序。
本申请中的至少一个还可以描述为一个或多个，多个可以是两个、三个、四个或者更多个，本申请不做限制。在本申请实施例中，对于一种技术特征，通过“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”等区分该种技术特征中的技术特征，该“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”描述的技术特征间无先后顺序或者大小顺序。
如本文使用的，术语“机器可读介质”和“计算机可读介质”指的是用于将机器指令和/或数据提供给可编程处理器的任何计算机程序产品、设备、和/或装置(例如，磁盘、光盘、存储器、可编程逻辑装置(PLD))，包括，接收作为机器可读信号的机器指令的机器可读介质。术语“机器可读信号”指的是用于将机器指令和/或数据提供给可编程处理器的任何信号。
可以将此处描述的系统和技术实施在包括后台部件的计算系统(例如，作为数据服务器)、或者包括中间件部件的计算系统(例如，应用服务器)、或者包括前端部件的计算系统(例如，具有图形用户界面或者网络浏览器的用户计算机，用户可以通过该图形用户界面或者该网络浏览器来与此处描述的系统和技术的实施方式交互)、或者包括这种后台部件、中间件部件、或者前端部件的任何组合的计算系统中。可以通过任何形式或者介质的数字数据通信(例如，通信网络)来将系统的部件相互连接。通信网络的示例包括：局域网(LAN)、广域网(WAN)和互联网。
计算机系统可以包括客户端和服务器。客户端和服务器一般远离彼此并且通常通过通信网络进行交互。通过在相应的计算机上运行并且彼此具有客户端-服务器关系的计算机程序来产生客户端和服务器的关系。
应该理解，可以使用上面所示的各种形式的流程，重新排序、增加或删除步骤。例如，本公开中记载的各步骤可以并行地执行也可以顺序地执行也可以不同的次序执行，只要能够实现本公开公开的技术方案所期望的结果，本文在此不进行限制。
此外，应该理解，本申请所述的各种实施例可以单独实施，也可以在方案允许的情况下与其他实施例组合实施。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (16)

  1. 一种定位管理功能LMF网元选择方法，其特征在于，所述方法由接入和移动性管理功能AMF网元执行，所述方法包括：
    基于接收到的测距/直连定位请求，选择用于执行测距/直连定位业务的LMF网元。
  2. 如权利要求1所述的方法，所述选择用于执行测距/直连定位业务的LMF网元包括：
    基于所述测距/直连定位请求，确定测距/直连定位能力信息，其中，所述测距/直连定位能力信息指示用于执行所述测距/直连定位业务的LMF网元所需的测距/直连定位能力；以及
    基于所述测距/直连定位能力信息，选择用于执行所述测距/直连定位业务的LMF网元。
  3. 如权利要求1所述的方法，其特征在于，所述测距/直连定位请求包括测距/直连定位相关信息，所述选择用于执行测距/直连定位业务的LMF网元包括：
    基于所述测距/直连定位请求，确定测距/直连定位能力信息，其中，所述测距/直连定位能力信息指示用于执行所述测距/直连定位业务的LMF网元所需的测距/直连定位能力；以及
    基于所述测距/直连定位能力信息以及所述测距/直连定位相关信息，选择所述LMF网元；
    其中，所述测距/直连定位相关信息包括以下中至少一种：
    测距/直连定位内容，用于指示期望的测距/直连定位结果；和
    测距/直连定位服务质量QoS信息。
  4. 如权利要求2或3所述的方法，其特征在于，所述测距/直连定能力包括：
    用于触发两个或更多个用户设备UE之间的测距/直连定位业务的触发能力；以及
    用于上报测距/直连定位结果至所述AMF网元的上报能力。
  5. 如权利要求4所述的方法，其特征在于，所述测距/直连定能力还包括用于计算测距/直连定位结果的计算能力。
  6. 如权利要求5所述的方法，其特征在于，所述计算能力包括以下中任一种：
    计算两个UE之间的相对距离；
    计算两个UE之间的相对方向；
    计算两个UE之间的指定精度的相对距离；
    计算两个UE之间的指定精度的相对方向；
    计算一个UE与多个UE之间的相对距离；
    计算一个UE与多个UE之间的相对方向；
    计算一个UE与多个UE之间的指定精度的相对距离；
    计算一个UE与多个UE之间的指定精度的相对方向。
  7. 如权利要求3所述的方法，其特征在于，所述测距/直连定位QoS信息包括QoS等级、与所述期望的测距/直连定位结果相关的指定精度、以及执行所述测距/直连定位业务的响应时间。
  8. 一种LMF网元选择装置，其特征在于，用于接入和移动性管理功能AMF网元，包括处理模块，所述处理模块用于：
    基于接收到的测距/直连定位请求，选择用于执行测距/直连定位业务的LMF网元。
  9. 如权利要求8所述的装置，所述处理模块用于：
    基于所述测距/直连定位请求，确定测距/直连定位能力信息，其中，所述测距/直连定位能力信息指示用于执行所述测距/直连定位业务的LMF网元所需的测距/直连定位能力；以及
    基于所述测距/直连定位能力信息，选择用于执行所述测距/直连定位业务的LMF网元。
  10. 如权利要求8所述的装置，其特征在于，所述测距/直连定位请求包括测距/直连定位相关信息，所述处理模块用于：
    基于所述测距/直连定位请求，确定测距/直连定位能力信息，其中，所述测距/直连定位能力信息指示用于执行所述测距/直连定位业务的LMF网元所需的测距/直连定位能力；以及
    基于所述测距/直连定位能力信息以及所述测距/直连定位相关信息，选择所述LMF网元；
    其中，所述测距/直连定位相关信息包括以下中至少一种：
    测距/直连定位内容，用于指示期望的测距/直连定位结果；和
    测距/直连定位服务质量QoS信息。
  11. 如权利要求9或10所述的装置，其特征在于，所述测距/直连定能力包括：
    用于触发两个或更多个用户设备UE之间的测距/直连定位业务的触发能力；以及
    用于上报测距/直连定位结果至所述AMF网元的上报能力。
  12. 如权利要求11所述的装置，其特征在于，所述测距/直连定能力还包括用于计算测距/直连定位结果的计算能力。
  13. 如权利要求12所述的装置，其特征在于，所述计算能力包括以下中任一种：
    计算两个UE之间的相对距离；
    计算两个UE之间的相对方向；
    计算两个UE之间的指定精度的相对距离；
    计算两个UE之间的指定精度的相对方向；
    计算一个UE与多个UE之间的相对距离；
    计算一个UE与多个UE之间的相对方向；
    计算一个UE与多个UE之间的指定精度的相对距离；
    计算一个UE与多个UE之间的指定精度的相对方向。
  14. 如权利要求9所述的装置，其特征在于，所述测距/直连定位QoS信息包括QoS等级、与所述期望的测距/直连定位结果相关的指定精度、以及执行所述测距/直连定位业务的响应时间。
  15. 一种通信设备，其中，包括：收发器；存储器；处理器，分别与所述收发器及所述存储器连接，配置为通过执行所述存储器上的计算机可执行指令，控制所述收发器的无线信号收发，并能够实现权利要求1-7任一项所述的方法。
  16. 一种计算机存储介质，其中，所述计算机存储介质存储有计算机可执行指令；所述计算机可执行指令被处理器执行后，能够实现权利要求1-7任一项所述的方法。
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CN111801976A (zh) * 2018-03-02 2020-10-20 高通股份有限公司 在无线通信中的基于测距的位置服务
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