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WO2011015016A1 - Procédé et dispositif d’exécution de services de localisation - Google Patents

Procédé et dispositif d’exécution de services de localisation Download PDF

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Publication number
WO2011015016A1
WO2011015016A1 PCT/CN2009/075854 CN2009075854W WO2011015016A1 WO 2011015016 A1 WO2011015016 A1 WO 2011015016A1 CN 2009075854 W CN2009075854 W CN 2009075854W WO 2011015016 A1 WO2011015016 A1 WO 2011015016A1
Authority
WO
WIPO (PCT)
Prior art keywords
positioning
capability
information element
location center
mobile location
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2009/075854
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English (en)
Chinese (zh)
Inventor
黄波
吴昊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of WO2011015016A1 publication Critical patent/WO2011015016A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/24—Negotiation of communication capabilities
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system

Definitions

  • the present invention relates to a location service (LCS) technology, and more particularly to a method and apparatus for implementing a location service in a long term evolution project (LTE) network.
  • LCS location service
  • LTE long term evolution project
  • the 3rd Generation Partnership Project (3GPP, 3rd Generation Partnership Project) launched the radio access network LTE, Evolved Access Technology (E-UTRA, Evolved-UTRA) and Evolved Access Network (E- UTRAN, Evolved-UTRAN), and the All-IP Packet-Based Core Network Evolution Project (S AE ), hope to provide better growth for operators and users through the continuous evolution and enhancement from the wireless interface to the core network. stand by.
  • E-UTRA Evolved Access Technology
  • E- UTRAN Evolved-UTRAN
  • S AE All-IP Packet-Based Core Network Evolution Project
  • LCS is a new value-added service provided by mobile communication networks.
  • the LCS uses wireless positioning technology to obtain location information of the mobile station such as latitude and longitude, moving speed, etc., and provides it to the user, the mobile communication network, or other external entities to implement various location-related services.
  • the terminal can measure the satellite signal by measuring the serving cell or the neighboring cell, or by using a built-in positioning module to obtain data for calculating the current location of the terminal.
  • LTP LTE Positioning Protocol
  • A-GNSS Assisted-Global Navigation Satellite System
  • E-CID enhanced cell ID
  • A-GNSS can be divided into global positioning system (GPS), Galileo satellite positioning system (Galileo), satellite-based augmentation system (SB AS, Space Based Augmentation System ), Quasi-Zenith Satellite System (QZSS), Global Navigation Satellite System (GLONASS), and other positioning methods.
  • GPS global positioning system
  • Galileo Galileo Satellite positioning system
  • SB AS Satellite-based augmentation system
  • QZSS Quasi-Zenith Satellite System
  • GLONASS Global Navigation Satellite System
  • one or more of the above positioning methods may be used in a positioning process. Therefore, in order to locate the service, in the positioning process, the positioning capability between the terminal and the network needs to be implemented to ensure the successful implementation of the positioning service. In the current LPP, there is no solution for the interaction between the terminal and the network. Therefore, the subsequent selection of the appropriate positioning method cannot be guaranteed, which may result in the failure of the positioning service. Summary of the invention
  • the main purpose of the present invention is to provide a method and a device for implementing a positioning service.
  • the interaction between the terminal and the network is used to select a suitable positioning method to ensure the success of the positioning service.
  • a method for implementing a location service comprising:
  • the selecting a positioning method according to the obtained positioning capability, and performing the positioning service includes: the enhanced service mobile location center selects a positioning method according to the obtained current positioning capability, and the UE or the evolved base station eNB performs measurement according to the selected positioning method;
  • the UE or the enhanced service mobile location center calculates a positioning result according to the measured result and returns to the requesting party that initiates the positioning service in the positioning process.
  • the selecting a positioning method according to the obtained current positioning capability, and performing the positioning service includes: the UE selecting an appropriate positioning method according to the obtained positioning capability, and the UE or the eNB performs measurement according to the selected positioning method;
  • the UE or enhanced service mobile location center calculated based on the measured results, and will calculate The subsequent positioning result is returned to the originating service requester.
  • the ability of the UE to interact with the enhanced service mobile location center includes:
  • the enhanced service mobile location center requests a positioning capability from the UE
  • the UE requests a positioning capability from an enhanced service mobile location center
  • the UE actively feeds back the positioning capability to the enhanced service mobile location center; or the enhanced service mobile location center actively feeds back the positioning capability to the UE.
  • the request location capability is triggered by the location capability request.
  • the positioning capability request does not carry any information; or the positioning capability request carries the enhanced service mobile location center or the positioning capability supported by the UE;
  • the ability of the UE to interact with the enhanced service mobile location center includes:
  • the UE or the enhanced service mobile location center returns the positioning capability supported by itself to the enhanced service mobile location center or the UE;
  • the UE or the enhanced service mobile location center If the UE or the enhanced service mobile location center does not support the location capability indicated in the location capability request, the UE or the enhanced service mobile location center sets the cause of the error and returns to the enhanced service mobile location center or UE.
  • the positioning capability request includes a downlink positioning method information element, and a global satellite navigation assistance system A-GNSS positioning method information element;
  • the downlink positioning method information element includes a downlink positioning method and a positioning mode information element;
  • the A-GNSS positioning method information element includes an A-GNSS positioning method identifier A-GNSS ID, and a positioning mode information element;
  • the A-GNSS positioning method identifies a different positioning method for A-GNSS positioning.
  • the positioning mode information element includes: a terminal-based positioning method and a positioning method, or a base E-SMLC, terminal-assisted positioning method and positioning method.
  • the positioning capability request includes a terminal-based positioning mode information element, and an E-SMIC-based, terminal-assisted positioning mode information element;
  • the terminal-based positioning mode information element includes a downlink positioning method and an A-GNSS positioning method
  • the E-SMIC-based, terminal-assisted positioning mode information element includes a downlink positioning method and an A-GNSS positioning method.
  • the enhanced service mobile location center requests the positioning capability from the UE; or, when the UE requests the positioning capability from the enhanced service mobile location center,
  • the UE or the enhanced service mobile location center returns a location capability to the enhanced service mobile location center or UE by the location capability indication.
  • the positioning capability indicator includes a positioning capability information element.
  • the positioning capability information element includes: a downlink positioning method information element, an A-GNSS information element, and a positioning method information element corresponding to the A-GNSS ID.
  • the positioning capability indication includes a terminal-based positioning mode information element, and an E-SMIC-based terminal-assisted positioning mode information element;
  • the terminal-based positioning mode information element includes a downlink positioning method information element and an A-GNSS positioning method information element;
  • the E-SMIC-based, terminal-assisted positioning mode information element includes a downlink positioning method information element and an A-GNSS positioning method information element.
  • the positioning capability indication further includes an auxiliary data information element;
  • the auxiliary data information element includes: an A-GNSS ID information element, and an auxiliary data information element supported by the A-GNSS ID;
  • the A-GNSS positioning method identifies a different positioning method for A-GNSS positioning.
  • the auxiliary data information element further includes: configured to send the auxiliary data after the selected positioning method is selected The auxiliary data information element missing from the UE.
  • An apparatus for implementing a positioning service including a user equipment UE and an enhanced service mobile location center, where
  • the UE and the enhanced service mobile location center interact with each other to determine the current positioning capability
  • the UE or the enhanced service mobile location center is configured to select a positioning method according to the determined current positioning capability, and complete the positioning service.
  • the enhanced service mobile location center selects a positioning method according to the determined current positioning capability
  • the UE or the eNB performs measurement according to the selected positioning method; the UE or the enhanced service mobile location center performs calculation according to the measurement result, and returns the calculated positioning result to the initiating positioning service requesting party;
  • the UE When the UE is configured to select a positioning method according to the determined current positioning capability, the UE or the eNB performs measurement according to the selected positioning method, and the UE or the enhanced service moves the location center, and performs calculation according to the measurement result, and The calculated positioning result is returned to the originating service requesting party.
  • the enhanced service mobile location center is further configured to: after receiving the location request, request the positioning capability from the UE, and the UE returns the positioning capability to the enhanced service mobile location center; or
  • the UE is further configured to request the positioning capability from the enhanced service mobile location center, where the enhanced service mobile location center returns the positioning capability to the UE.
  • the UE or the enhanced service mobile location center is also used to actively feedback the positioning capability to the peer end.
  • the initiating location service requester is a terminal or a network entity
  • the network entity is a mobility management entity MME, or an eNB. It can be seen from the technical solution provided by the present invention that, during the positioning process, the UE and the Enhanced Service Mobile Location Center (E-SMLC) pass the mutual positioning capability, so that the enhanced service mobile location center or the UE knows the location of the other party.
  • E-SMLC Enhanced Service Mobile Location Center
  • the capability ensures that the enhanced service mobile location center or the UE can select a positioning method according to the positioning capabilities supported by both parties after the interaction, thereby providing a guarantee for selecting a suitable positioning method, thereby ensuring the success of the positioning service.
  • FIG. 1 is a flowchart of a method for implementing a positioning service according to the present invention
  • FIG. 2 is a schematic structural diagram of a device for implementing a positioning service
  • FIG. 3 is a flowchart of a first embodiment of a method for implementing a location service according to the present invention
  • FIG. 4 is a flow chart of a second embodiment of a method for implementing a location service according to the present invention. detailed description
  • FIG. 1 is a flowchart of a method for implementing a positioning service according to the present invention, as shown in FIG.
  • Step 100 The UE and the enhanced service mobile location center interact with each other.
  • the originating positioning service requesting party that triggers the positioning process may be a UE, or a network entity such as a Mobility Management Entity (MME), an evolved base station (eNB, evolved)
  • MME Mobility Management Entity
  • eNB evolved base station
  • the interaction of the positioning capability may be that the enhanced service mobile location center requests the positioning capability from the UE after receiving the positioning request; or the UE may request the positioning capability from the enhanced service mobile location center; or may be the UE or the enhanced The type service mobile location center actively feeds back the location to the peer (that is, no request message is triggered).
  • the UE or the enhanced service mobile location center learns the positioning capability of the other party, so as to ensure that the subsequent positioning method can be selected according to the positioning capability supported by the peer end, and the success of the positioning service is ensured.
  • Step 101 According to the positioning capability obtained by the interaction, select a positioning method to implement the positioning service.
  • the step includes: The enhanced service mobile location center selects an appropriate positioning method according to the obtained positioning capability, and the UE or the eNB performs measurement according to the selected positioning method.
  • the UE or the enhanced service mobile location center performs calculation according to the measurement result, and returns the calculated positioning result to the originating service requesting party.
  • the UE selects an appropriate positioning method according to the obtained positioning capability, and the UE or the eNB performs measurement according to the selected positioning method.
  • the UE or the enhanced service mobile location center performs calculation according to the measurement result, and returns the calculated positioning result to the originating positioning service requester.
  • This step emphasizes that the enhanced service mobile location center or the UE selects an appropriate positioning method according to the positioning capability determined by the two parties after the interaction between the UE and the enhanced service mobile location center to ensure the success of the positioning service.
  • the implementation of the positioning calculation in the measurement result in this step belongs to the content of the existing protocol, and the specific protocol can be referred to, and will not be described here.
  • the UE and the enhanced service mobile location center pass the interactive positioning capability, so that the enhanced service mobile location center or the UE learns the positioning capability of the other party, thereby enhancing the service mobile location center.
  • the UE can select a positioning method according to the positioning capability determined by the two parties after the interaction, and provides a guarantee for selecting a suitable positioning method, thereby ensuring the success of the positioning service.
  • the UE includes an enhanced service mobile location center, where
  • the UE or the enhanced service mobile location center is configured to select a positioning method according to the obtained current positioning capability to implement the positioning service.
  • the UE or the eNB When the enhanced service mobile location center is selected according to the current positioning capability obtained, When the positioning method is used, the UE or the eNB performs measurement according to the selected positioning method. The UE or the enhanced service mobile location center performs calculation according to the measurement result, and returns the calculated positioning result to the originating service requesting party.
  • the UE or the eNB When the UE is used to select an appropriate positioning method according to the obtained positioning capability, the UE or the eNB performs measurement according to the selected positioning method. The UE or the enhanced service mobile location center performs calculation according to the measurement result, and returns the calculated positioning result to the originating service requesting party.
  • the enhanced service mobile location center requests the positioning capability from the UE after receiving the positioning request, and the UE returns the positioning capability to the enhanced service mobile location center;
  • the UE is further configured to request a location capability from the enhanced service mobile location center, where the enhanced service mobile location center returns a location capability to the UE;
  • the UE or the enhanced service mobile location center actively feeds back the location capability to the peer end (ie, does not need to request a message trigger).
  • the positioning service requester may be a terminal or a network entity such as an MME, an eNB, or the like.
  • FIG. 3 is a flowchart of a first embodiment of a method for implementing a positioning service according to the present invention.
  • the enhanced service mobile location center after receiving a positioning request, requests a positioning capability from the UE. As shown in Figure 3, the following steps are included:
  • Step 300 After receiving the positioning request, the enhanced service mobile location center requests the positioning capability from the UE.
  • the requesting location capability may be triggered by the location capability request, and may not carry any information in the location capability request, but merely indicates a process of triggering the request location capability; or the positioning capability request carries the positioning capability that the UE needs to support.
  • the UE After receiving the positioning capability request, the UE returns the positioning capability supported by the UE to the enhanced service mobile location center. If the UE does not support the positioning capability indicated in the positioning capability request, the UE sets the cause of the error and sends it to the enhanced service mobile location center.
  • the positioning is performed.
  • the information element contained in the capability request can be implemented in two ways:
  • the first type includes the downlink positioning method information element that the UE needs to support, and the A-GNSS positioning method information element that the UE needs to support, as shown in Table 1:
  • the downlink positioning method information element including the downlink positioning method to be supported, such as an information element such as OTDOA, indicates which positioning mode information element is used, such as a terminal-based positioning method and a positioning method, or an E-SMLC-based terminal-assisted positioning method and Positioning method.
  • the terminal-based positioning mode the final positioning measurement calculation is performed at the terminal, and based on the E-SMLC and the terminal-assisted positioning mode, the final positioning measurement calculation is performed in the E-SMLC. As shown in table 2:
  • A-GNSS positioning method information element including A-GNSS positioning method identifier (A-GNSS ID) to be supported, and which positioning mode information element, such as terminal-based positioning method and positioning method, or based on E-SMLC, Terminal-assisted positioning method and positioning method.
  • the terminal-based positioning mode the final positioning measurement calculation is performed at the terminal, and based on the E-SMLC and the terminal-assisted positioning mode, the final positioning measurement calculation is performed in the E-SMLC. as shown in Table 3: Which positioning method is required for the positioning method corresponding to the A-GNSS ID, including based on the final
  • Table 3 For positioning methods that support A-GNSS positioning, GPS, Galileo, SB AS, QZSS, and GLONASS, one byte (Byte) can be used to indicate the supported positioning methods.
  • Table 3 shows A-GNSS ID and A-GNSS positioning. The corresponding relationship of the methods is shown in Table 4:
  • the second type includes the terminal-based positioning mode information element that the UE needs to support, and the E-SMIC and terminal-assisted positioning mode information element that the UE needs to support, as shown in Table 5:
  • the terminal-based positioning mode information element includes the downlink positioning method (such as OTDOA, etc.) information element to be supported, and the supported A-GNSS positioning method (such as GPS, Galileo, SBAS, QZSS and GLONASS) information elements, as shown in Table 6:
  • the downlink positioning method such as OTDOA, etc.
  • the supported A-GNSS positioning method such as GPS, Galileo, SBAS, QZSS and GLONASS
  • Information element based on E-SMIC and terminal-assisted positioning mode including information elements for downlink positioning methods (such as OTDOA, etc.) to be supported, and A-GNSS positioning methods (such as GPS, Galileo, SB AS, QZSS, and GLONASS) to be supported. Yuan, as shown in Table 7:
  • Step 301 The UE indicates the current positioning capability to the enhanced service mobile location center.
  • the UE returns the current positioning capability through the positioning capability indication.
  • the step does not need to be triggered in step 300.
  • the UE indicates the supported positioning capability to the E-SMLC.
  • the UE If the UE does not support the positioning capability indicated in the positioning capability request, the UE sets the error cause and sends it to the enhanced service mobile location center.
  • the first type includes the positioning capability information element and the auxiliary data information element, as shown in Table 8: Information element note
  • auxiliary data information element is an optional information element and exists only when needed. Whether the auxiliary data information element is required for positioning is a prior art, and details are not described herein again.
  • the positioning capability information element includes a downlink positioning information element, an A-GNSS information element, and a positioning mode information element corresponding to the A-GNSS ID, as shown in Table 9:
  • the auxiliary data information element includes an A-GNSS ID information element, an auxiliary data information element supported by the A-GNSS ID, and an auxiliary data information element missing by the UE, as shown in Table 10:
  • the auxiliary data information elements supported by the A-GNSS ID specify supported positioning assistance data for various A-GNSS positioning methods. If the A-GNSS positioning method is not supported, the information element is invalid.
  • the auxiliary data information element missing by the UE is used by the network to send the auxiliary data after selecting the positioning method. Is optional for the field.
  • the second type includes a positioning capability information element and an auxiliary data information element, wherein the auxiliary data information element is as shown in Table 10, and is not repeated here;
  • the positioning capability information element includes a terminal-based positioning mode information element supported by the UE, and supports The information element based on E-SMIC and terminal-assisted positioning mode is shown in Table 11:
  • Support terminal-based positioning mode information element including supported downlink positioning methods (such as
  • E-SMIC-based, terminal-assisted positioning mode information elements including supported downlink positioning Methods (such as OTDOA, etc.) information elements, supported A-GNSS positioning methods (such as GPS, Galileo, SB AS, QZSS, and GLONASS) information elements, as shown in Table 13:
  • Step 302 The enhanced service mobile location center selects an appropriate positioning method, and the UE or the eNB performs measurement according to the selected positioning method.
  • the E-SMLC reselects the positioning method, that is, step 300 sends a positioning request, or the positioning process ends.
  • Step 303 The UE or the enhanced service mobile location center performs calculation according to the measurement result, and returns the calculated positioning result to the originating positioning service requesting party.
  • FIG. 4 is a flowchart of a second embodiment of a method for implementing a location service according to the present invention.
  • the UE after a location request is initiated by a location-enhanced service mobile location center to initiate a location request, the UE provides an enhanced service during the location process.
  • the mobile location center requests location capabilities. As shown in Figure 4, the following steps are included:
  • Step 400 After initiating the positioning service request direction enhanced service mobile location center to initiate the positioning request, in the positioning process, the UE requests the positioning capability from the enhanced service mobile location center.
  • the requesting location capability can be triggered by the location capability request.
  • the location capability request For the description of the location capability request, refer to the description in step 300.
  • the information element included in the location capability request can also have the two implementation modes described in step 300. The difference is that the UE initiating the location capability request in the second embodiment is the UE.
  • Step 401 The enhanced service mobile location center returns the current positioning by using the positioning capability indication. ability. It should be noted that this step may not need to be triggered by step 400 (ie, step 400 is omitted). During the positioning process, the enhanced service mobile location center indicates the supported positioning capability to the UE.
  • the error reason is set and sent to the UE.
  • the enhanced service mobile location center returns the current positioning capability by using the positioning capability indication.
  • the two situations corresponding to the positioning capability request respectively, or the E-SMLC indicates the supported positioning capability to the UE, and the positioning capability indication also has two situations, which are not described herein again.
  • Step 402 The UE selects an appropriate positioning method according to the obtained positioning capability, and the UE or the eNB performs measurement according to the selected positioning method. If the enhanced service mobile location center returns the message carrying the error reason, the UE reselects the positioning method, or the positioning process ends.
  • Step 403 The UE or the enhanced service mobile location center performs calculation according to the measurement result, and returns the calculated positioning result to the originating positioning service requester.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention porte sur un procédé et sur un dispositif d'exécution de services de localisation. Pendant le processus de positionnement, les capacités de positionnement sont échangées entre l'équipement utilisateur (UE) et le centre de localisation mobile de services évolués (E-SMLC) afin de permettre à l'E-SMLC ou à l'UE d'obtenir les capacités de positionnement de l'interlocuteur, et l'E-SMLC ou l'UE peut sélectionner le procédé de positionnement approprié conformément aux capacités de positionnement reconnues par l'interlocuteur, assurant ainsi le succès des services de localisation.
PCT/CN2009/075854 2009-08-03 2009-12-22 Procédé et dispositif d’exécution de services de localisation Ceased WO2011015016A1 (fr)

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CN200910090231.5A CN101990297A (zh) 2009-08-03 2009-08-03 一种实现定位业务的方法及装置
CN200910090231.5 2009-08-03

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CN102932810B (zh) * 2011-08-12 2015-12-16 华为技术有限公司 最小化路测方法及设备
CN102438311B (zh) * 2012-01-21 2015-08-19 电信科学技术研究院 一种mdt定位方式的选择方法和设备
CN103313185B (zh) * 2012-03-16 2016-08-31 电信科学技术研究院 位置信息获取方法和设备
CN103458429B (zh) * 2012-05-29 2019-01-18 中兴通讯股份有限公司 一种最小化路测方法及网络管理系统及基站
CN104301994A (zh) * 2013-07-18 2015-01-21 电信科学技术研究院 一种终端定位方法、终端及定位服务器
CN104918324A (zh) * 2014-03-13 2015-09-16 电信科学技术研究院 一种定位方法的选择、控制方法及装置
CN106604390B (zh) 2015-10-15 2020-08-04 中国移动通信集团公司 一种提供定位服务的方法、基站及终端
CN109392085A (zh) * 2017-08-08 2019-02-26 电信科学技术研究院 一种5g系统的定位方法及装置
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