WO2011020263A1 - 终止定位进程的方法与装置 - Google Patents

终止定位进程的方法与装置 Download PDF

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Publication number
WO2011020263A1
WO2011020263A1 PCT/CN2009/075465 CN2009075465W WO2011020263A1 WO 2011020263 A1 WO2011020263 A1 WO 2011020263A1 CN 2009075465 W CN2009075465 W CN 2009075465W WO 2011020263 A1 WO2011020263 A1 WO 2011020263A1
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WO
WIPO (PCT)
Prior art keywords
positioning
request
location
user terminal
message
Prior art date
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PCT/CN2009/075465
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English (en)
French (fr)
Inventor
吴昊
高音
黄亚达
黄波
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP09848404.1A priority Critical patent/EP2456248B1/en
Priority to US13/258,383 priority patent/US20120135754A1/en
Priority to ES09848404.1T priority patent/ES2573693T3/es
Priority to JP2012525017A priority patent/JP5844735B2/ja
Publication of WO2011020263A1 publication Critical patent/WO2011020263A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to a positioning technology of a user equipment (UE), and in particular, to a method and apparatus for terminating a positioning process.
  • UE user equipment
  • FIG. 1 is a schematic structural diagram of a cellular wireless communication system.
  • a cellular wireless communication system is mainly composed of a core network (CN, Core Network), an access network (RAN, Radio Access Network), and a user terminal.
  • the core network is responsible for non-access layer transactions, such as location update of user terminals, etc.
  • the core network is the anchor point of the user plane.
  • the access network includes a base station, or a base station and a base station controller, and the access network is responsible for access layer transactions, such as management of radio resources.
  • the base stations may have physical or logical connections according to actual conditions, such as the base station in FIG. 1 A connection with base station 2 or base station 3, each base station being connectable to more than one core network node.
  • a user terminal is a device that can communicate with a cellular wireless communication network, such as a mobile phone or a notebook computer.
  • an LTE cellular wireless communication system consists of an evolved universal terrestrial radio access network (E-UTRAN, Evolved Universal Terrestrial Radio Access Network ) and core network nodes.
  • the core network node includes: a mobility management entity (MME, Mobility Management Entity), a service gateway (S-GW, a Serving Gateway), and the like.
  • MME mobility management entity
  • S-GW service gateway
  • the MME is responsible for control plane related operations such as mobility management, non-access stratum signaling processing, and user mobility management context management
  • the S-GW is responsible for UE user plane data transmission, forwarding, and route switching.
  • the E-UTRAN includes a base station (eNB), and the e Bs are logically connected to each other through an X2 interface, which is used to support mobility of the UE in the entire network, and ensures seamless handover of users.
  • eNB base station
  • X2 interface X2 interface
  • the network side is provided with a network entity service mobile positioning center.
  • SMLC Serving Mobile Location Center
  • the SMLC After receiving the positioning request, the SMLC selects the eNB or the UE to perform positioning, and sends the positioning information request and the positioning assistance data and the like that may be needed to the eNB or the UE. After receiving the location information request sent by the SMLC, the eNB and the UE perform location measurement according to the content indicated in the location information request, and report the measurement result periodically or eventally, or directly report the calculated location information.
  • the entity that requests the positioning such as an Location Service (LCS) entity in the Evolved Packet Core (EPC)
  • LCS Location Service
  • EPC Evolved Packet Core
  • the main object of the present invention is to provide a method and apparatus for terminating the positioning process, which can terminate the positioning measurement of the user terminal in advance, thereby avoiding unnecessary measurement by the user terminal and causing power loss.
  • a method of terminating a positioning process including:
  • the serving mobile positioning center After receiving the request for locating the user terminal, the serving mobile positioning center sends a termination positioning process instruction to the performing network element.
  • the request for terminating positioning of the user terminal is sent by the user terminal, the base station currently serving the user terminal, or the mobility management entity MME to the SMLC.
  • the terminating the request for positioning the user terminal comprises: a location service termination request or a location process termination request.
  • the terminating positioning process instruction is an independent message, or is sent to the network element that performs the positioning in the message sent to the network element that performs the positioning; the location service termination request or the positioning process is terminated.
  • the request is an independent message, or is reported to the SMLC in a message sent to the SMLC.
  • the existing message carrying the termination location process instruction includes a request location information message; the existing message carrying the location service termination request or the location process termination request includes providing a location information message.
  • the network element performing positioning includes the user terminal or a base station currently serving the user terminal.
  • a device for terminating a positioning process comprising:
  • a receiving unit configured to receive a request to terminate positioning of the user terminal
  • a sending unit configured to send a termination positioning process instruction to the network element performing positioning after receiving the request for terminating the positioning of the user terminal.
  • the request to terminate positioning of the user terminal is sent by the user terminal, a base station currently serving the user terminal, or a mobility management entity MME to the SMLC.
  • the terminating the request for positioning the user terminal comprises: a location service termination request or a location process termination request.
  • the terminating positioning process instruction is an independent message, or is sent to the network element that performs the positioning in the message sent to the network element that performs the positioning; the location service termination request or the positioning process is terminated.
  • the request is an independent message, or is reported to the SMLC in a message sent to the SMLC.
  • the existing message carrying the termination location process instruction includes a request location information message; the existing message carrying the location service termination request or the location process termination request includes providing Location information message.
  • the network element performing positioning includes the user terminal or a base station currently serving the user terminal.
  • the network side when the UE or the base station determines that the positioning service is no longer required, the network side sends a request to terminate the positioning process to the UE, and the network side sends a termination positioning process instruction to the currently performing network element according to the request, so that the current positioning is performed.
  • the network element terminates the positioning process for the UE. Therefore, the present invention supports the termination of the positioning measurement of the UE in advance, thereby avoiding the power loss caused by unnecessary measurement by the UE.
  • FIG. 1 is a schematic structural diagram of a cellular wireless communication system
  • FIG. 2 is a schematic diagram of a flat architecture of an IP-based long-term evolution cellular wireless communication system
  • FIG. 3 is a flowchart of a method for terminating a positioning process according to Embodiment 1 of the present invention
  • FIG. 4 is a flowchart of a method for terminating a positioning process according to Embodiment 2 of the present invention.
  • FIG. 5 is a flowchart of a method for terminating a positioning process according to Embodiment 3 of the present invention.
  • FIG. 6 is a flowchart of a method for terminating a positioning process according to Embodiment 4 of the present invention.
  • FIG. 7 is a schematic structural diagram of a device for terminating a positioning process according to the present invention. detailed description
  • the basic idea of the present invention is: when the UE or the base station determines that the positioning service is no longer required, the network side sends a request to terminate the positioning process to the network, and the network side sends a termination positioning process instruction to the currently performing network element according to the request.
  • the network element currently performing positioning terminates the positioning process for the UE. Therefore, the present invention supports early termination of the positioning measurement of the UE, thereby avoiding power loss caused by unnecessary measurement by the UE.
  • Embodiment 1
  • FIG. 3 is a flowchart of a method for terminating a positioning process according to Embodiment 1 of the present invention. As shown in FIG. 3, the method for terminating a positioning process in this example includes the following steps:
  • Step 301 The current serving network of the UE provides a positioning service, and the UE user may request the network to locate the UE by sending a location service request to the Mobility Management Entity (MME).
  • MME Mobility Management Entity
  • Step 302 After receiving the location service request of the UE, the MME sends the location service request to the SMLC.
  • Step 303 The SMLC sends a positioning capability request to the UE, requesting to obtain capability information related to the positioning method supported by the UE.
  • Step 304 After receiving the positioning capability request, the UE feeds back its own positioning capability to the SMLC.
  • Step 305 The SMLC selects a positioning method supported by the UE according to the supported positioning capability of the UE, and configures the auxiliary data required by the positioning method, and sends the information to the UE together with the “Request Location Information” message, and instructs the UE to periodically report the measurement result.
  • Step 306 The UE performs positioning measurement according to the request location information message and the auxiliary data sent by the SMLC, and periodically feeds back the positioning result by using the “provide location information” message.
  • the positioning result of the feedback may be at least one of the measured satellite signal, the base station signal arrival time difference, the base station downlink signal, and the calculated UE position information.
  • Step 307 If the SMLC receives the satellite signal or the base station signal arrival time difference or the base station downlink signal fed back by the UE, the SMLC calculates the location information of the UE according to the feedback information.
  • Step 308 The SMLC feeds back the location information of the UE to the MME.
  • Step 309 The MME feeds back the location information of the UE to the UE.
  • Step 310 The UE user considers that sufficient location information has been obtained, and does not need to continue to obtain the location information, and sends a location service termination request to the MME.
  • the location service termination request is a new
  • the independent message body carries the request identifier of the termination of the positioning process.
  • Step 311 The MME sends a location service termination request to the SMLC.
  • Step 312 The SMLC sends a positioning process termination command to the UE.
  • the positioning process termination instruction is a new independent message body carrying an indication identifier for the termination of the positioning process.
  • Step 313 After receiving the positioning process termination instruction, the UE stops the ongoing positioning operation, and reports the current positioning result, or only stops the ongoing positioning operation.
  • FIG. 4 is a flowchart of a method for terminating a positioning process according to Embodiment 2 of the present invention. As shown in FIG. 4, the method for terminating a positioning process in this example includes the following steps:
  • Step 401 The current serving network of the UE provides a positioning service, and the UE user may request the network to locate the UE by sending a location service request to the mobility management entity MME.
  • Step 402 After receiving the location service request of the UE, the MME sends the location service request to the network positioning entity SMLC.
  • Step 403 The SMLC sends a positioning capability request to the UE, requesting to obtain capability information related to the positioning method supported by the UE.
  • Step 404 After receiving the positioning capability request, the UE feeds back its own positioning capability to the SMLC.
  • Step 405 The SMLC selects a positioning method supported by the UE according to the supported positioning capability of the UE, and configures the auxiliary data required by the positioning method to be sent to the UE together with the “request location information” message, and instructs the UE to periodically report the measurement result.
  • Step 406 The UE performs positioning measurement according to the request location information message and the auxiliary data sent by the SMLC, and periodically returns the positioning result by using the “provide location information” message.
  • the positioning result of the feedback may be at least one of the measured satellite signal, the base station signal arrival time difference, the base station downlink signal, and the calculated UE position information.
  • Step 407 The SMLC receives the satellite signal or the base station signal arrival time fed back by the UE. If the difference or the base station downlink signal is used, the location information of the UE is calculated according to the feedback information.
  • Step 408 The SMLC feeds back the location information of the UE to the MME.
  • Step 409 The MME feeds back the location information of the UE to the UE.
  • Step 410 The UE user considers that sufficient location information has been obtained, and does not need to continue to obtain location information, and then sends a positioning process termination request to the SMLC.
  • the positioning process termination request is a new independent message body carrying the request identifier of the positioning process termination.
  • Step 411 The SMLC sends a positioning process termination command to the UE.
  • the positioning process termination instruction is a new independent message body carrying an indication identifier for the termination of the positioning process.
  • Step 412 After receiving the positioning process termination instruction, the UE stops the ongoing positioning operation, and reports the current positioning result, or only stops the ongoing positioning operation.
  • FIG. 5 is a flowchart of a method for terminating a positioning process according to Embodiment 3 of the present invention. As shown in FIG. 5, the method for terminating a positioning process in this example includes the following steps:
  • Step 501 The current serving network of the UE provides a positioning service, and the UE user may request the mobility management entity MME to request the network to locate the UE by sending a location service request.
  • Step 502 After receiving the location service request of the UE, the MME sends the location service request to the network positioning entity SMLC.
  • Step 503 The SMLC selects the positioning method E-CID (Enhanced Cell Identification Method), sends a "Request Location Information" message to the base station, and instructs the base station to periodically report the measurement result.
  • E-CID Enhanced Cell Identification Method
  • Step 504 The base station performs positioning measurement according to the request location information message sent by the SMLC, and periodically returns the positioning result by using the “provide location information” message.
  • the feedback positioning result may be at least one of a measured timing advance of the UE, a signal arrival angle, and a UE uplink signal.
  • Step 505 After receiving the measurement result fed back by the base station, the SMLC calculates the location information of the UE according to the feedback information.
  • Step 506 The SMLC feeds back the location information of the UE to the MME.
  • Step 507 The MME feeds back the location information of the UE to the UE.
  • Step 508 The UE user considers that sufficient location information has been obtained, and does not need to continue to obtain the location information, and then sends a location service termination request to the MME.
  • the location service termination request is a new independent message body carrying the request identifier of the location process termination.
  • Step 509 The MME sends a location service termination request to the SMLC.
  • Step 510 The SMLC sends a positioning process termination command to the base station.
  • the positioning process termination instruction is a new independent message body carrying an indication identifier for the termination of the positioning process.
  • Step 511 After receiving the positioning process termination instruction, the base station stops the ongoing positioning operation, and reports the current positioning result, or only stops the ongoing positioning operation.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • FIG. 6 is a flowchart of a method for terminating a positioning process according to Embodiment 4 of the present invention. As shown in FIG. 6, the method for terminating a positioning process in this example includes the following steps:
  • Step 601 The base station may request the network to locate the designated UE by sending a location service request to the mobility management entity MME.
  • Step 602 After receiving the location service request of the base station, the MME sends the location service request to the network positioning entity SMLC.
  • Step 603 The SMLC selects the positioning method E-CID (Enhanced Cell Identification Method), sends a "Request Location Information" message to the base station, and instructs the base station to periodically report the measurement result.
  • E-CID Enhanced Cell Identification Method
  • Step 604 The base station performs positioning measurement according to the request location information message sent by the SMLC, and periodically feeds back the positioning result by using a “provide location information” message.
  • the feedback positioning result may be at least one of a measured timing advance of the UE, a signal arrival angle, and a UE uplink signal.
  • Step 605 After receiving the measurement result fed back by the base station, the SMLC calculates the location information of the UE according to the feedback information.
  • Step 606 The SMLC feeds back the location information of the UE to the MME.
  • Step 607 The MME feeds back the location information of the UE to the base station.
  • Step 608 The base station considers that sufficient location information has been obtained, and does not need to continue to obtain the location information, and then sends a positioning process termination request to the SMLC.
  • the positioning process termination request is a new independent message body carrying the request identifier of the positioning process termination.
  • Step 609 The SMLC sends a positioning process termination command to the base station.
  • the positioning process termination instruction is a new independent message body carrying an indication identifier for the termination of the positioning process.
  • Step 610 After receiving the positioning process termination instruction, the base station stops the ongoing positioning operation, and reports the current positioning result, or only stops the ongoing positioning operation.
  • the termination of the positioning process in the foregoing Embodiments 1 to 4 is to use the new signaling that is not available in the prior art.
  • the present invention also supports the implementation of the technical solution of the present invention by using the existing signaling in the prior art.
  • Information elements are set in the signaling to identify the positioning process termination and positioning process indication.
  • the specific correspondence is as follows:
  • the SMLC indicates that the UE or the base station terminates the positioning process signaling may be included in the existing signaling "request location information" message sent by the SMLC to the UE or the base station.
  • the signaling that the UE or the base station requests to terminate the positioning process may be included in the existing signaling "provide location information" message sent by the UE or the base station to the SMLC.
  • An information element may be added to each of the "Request Location Information" message and the "Provide Location Information” message to respectively carry signaling indicating termination of the positioning process and a positioning process request to terminate the UE.
  • FIG. 7 is a schematic structural diagram of an apparatus for terminating a positioning process according to the present invention.
  • the apparatus for terminating a positioning process of the present invention includes a receiving unit 70 and a transmitting unit 71, wherein the receiving unit 70 is configured to receive and terminate positioning of the user terminal.
  • the sending unit 71 is configured to: after receiving the request for terminating the positioning of the user terminal, send a termination positioning process instruction to the network element performing positioning, so that the performing network element terminates the current positioning of the user terminal. process.
  • the request to terminate the positioning of the user terminal is sent by the user terminal, the base station currently serving the user terminal, or the mobility management entity MME to the SMLC.
  • the terminating the request for positioning the user terminal includes: a location service termination request or a location process termination request.
  • the terminating positioning process instruction is an independent message, or is sent to a message sent by the existing network element that is sent to the performing positioning to notify And the location service termination request or the location process termination request is an independent message, or is sent to the SMLC in a message sent to the SMLC.
  • the existing message carrying the termination location process instruction includes a request location information message; the existing message carrying the location service termination request or the location process termination request includes providing a location information message.
  • the network element performing positioning includes the user terminal or a base station currently serving the user terminal.
  • each processing unit in the apparatus shown in FIG. 7 may refer to the foregoing Embodiments 1 to 4. It is understood from the related description that its function can be realized by a program running on a processor, or can be realized by a specific logic circuit.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

本发明公开了一种终止定位进程的方法，包括：服务移动定位中心SMLC接收到终止对用户终端定位的请求后，向执行定位的网元发送终止定位进程指令。本发明同时公开了一种终止定位进程的装置，包括：接收单元，用于接收终止对用户终端定位的请求；发送单元，用于在接收到所述终止对用户终端定位的请求后向执行定位的网元发送终止定位进程指令。 本发明支持提前终止UE的定位测量， 避免了UE不必要的测量而导致的电量损耗。

Description

终止定位进程的方法与装置 技术领域
本发明涉及用户终端（UE, User Equipment )的定位技术， 尤其涉及一 种终止定位进程的方法与装置。 背景技术
图 1为蜂窝无线通讯系统的结构示意图， 如图 1所示， 蜂窝无线通讯 系统主要由核心网 （CN, Core Network ), 接入网 （RAN, Radio Access Network )和用户终端组成。 核心网负责非接入层事务， 例如对用户终端进 行位置更新等， 核心网是用户面的锚点。 接入网包括基站， 或者基站以及 基站控制器， 接入网负责接入层事务， 例如无线资源的管理等， 基站之间 可以根据实际情况存在物理或者逻辑上的连接，如图 1中的基站 1与基站 2 或基站 3之间的连接， 每个基站可以与一个以上的核心网节点连接。 用户 终端是指可以和蜂窝无线通讯网络通讯的各种设备， 比如移动电话或者笔 记本电脑等。
图 2为基于 IP的长期演进 ( LTE, Long Term Evolution )蜂窝无线通讯 系统的扁平化架构示意图， 如图 2所示， LTE蜂窝无线通讯系统由演进的 通用地面无线接入网（E-UTRAN, Evolved Universal Terrestrial Radio Access Network )和核心网节点组成。其中核心网节点包括：移动性管理实体（ MME, Mobility Management Entity ), 服务网关 （ S-GW, Serving Gateway )等。 MME负责移动性管理、 非接入层信令的处理、 用户的移动管理上下文的管 理等控制面相关工作； S-GW负责 UE用户面数据的传送、 转发和路由切换 等。 E-UTRAN包括基站（ eNB ), e B之间在逻辑上通过 X2接口互相连接， 用于支持 UE在整个网络内的移动性， 保证用户的无缝切换。 为了支持提供定位业务， 网络侧设置有网络实体服务移动定位中心
( SMLC, Serving Mobile Location Center ), 专用于对定位的管理和配置。 对 UE进行进行定位时，所有的定位请求通过 MME发送到 SMLC,由 SMLC 管理 eNB或 UE来执行定位操作， 如执行定位测量和结果上报等。
SMLC在接收到定位请求后， 选择 eNB或 UE进行定位， 将定位信息 请求和可能需要的定位辅助数据等发送给 eNB或 UE。 eNB和 UE接收到 SMLC发送的定位信息请求后， 根据定位信息请求中指示的内容进行定位 测量， 并根据要求周期性或事件触发性地上报测量结果， 或直接上报所计 算的位置信息。
然而当 eNB或 UE正在执行周期性上报时， 请求定位的主体， 例如演 进的分组核心网（ EPC, Evolved Packet Core )中的位置业务（ LCS, Location Service )实体认为已经获得足够的终端位置信息或者是不再需要该 UE的位 置信息， 或者觉得当前定位方法的精度不够， 需要调整更新定位方法， 而 且当前周期性上报未能达到最大报告数， 应该可以请求终止当前定位进程。 但目前的协议尚未涉及到主动终止对 UE的定位流程。 发明内容
有鉴于此， 本发明的主要目的在于提供一种终止定位进程的方法与装 置， 能提前终止用户终端定位测量， 避免用户终端作不必要的测量而导致 电量损耗。
为达到上述目的， 本发明的技术方案是这样实现的：
一种终止定位进程的方法， 包括：
服务移动定位中心 SMLC接收到终止对用户终端定位的请求后， 向执 行定位的网元发送终止定位进程指令。
优选地， 所述终止对用户终端定位的请求由所述用户终端、 当前为所 述用户终端服务的基站或移动性管理实体 MME发送给所述 SMLC。 优选地， 所述终止对用户终端定位的请求包括： 位置服务终止请求或 定位进程终止请求。
优选地， 所述终止定位进程指令为独立消息， 或承载于现有发送至所 述执行定位的网元的消息中通知给所述执行定位的网元； 所述位置服务终 止请求或定位进程终止请求为独立消息， 或承载于现有发送至所述 SMLC 的消息中通知给所述 SMLC。
优选地， 承载所述终止定位进程指令的现有消息包括请求位置信息消 息； 承载所述位置服务终止请求或定位进程终止请求的现有消息包括提供 位置信息消息。
优选地， 所述执行定位的网元包括所述用户终端或当前为所述用户终 端服务的基站。
一种终止定位进程的装置， 包括：
接收单元， 用于接收终止对用户终端定位的请求； 以及
发送单元， 用于在接收到所述终止对用户终端定位的请求后向执行定 位的网元发送终止定位进程指令。
优选地， 所述终止对用户终端定位的请求由所述用户终端、 当前为所 述用户终端服务的基站或移动性管理实体 MME发送给所述 SMLC。
优选地， 所述终止对用户终端定位的请求包括： 位置服务终止请求或 定位进程终止请求。
优选地， 所述终止定位进程指令为独立消息， 或承载于现有发送至所 述执行定位的网元的消息中通知给所述执行定位的网元； 所述位置服务终 止请求或定位进程终止请求为独立消息， 或承载于现有发送至所述 SMLC 的消息中通知给所述 SMLC。
优选地， 承载所述终止定位进程指令的现有消息包括请求位置信息消 息； 承载所述位置服务终止请求或定位进程终止请求的现有消息包括提供 位置信息消息。
优选地， 所述执行定位的网元包括所述用户终端或当前为所述用户终 端服务的基站。
本发明中， 当 UE或基站确定不必再进行定位服务时，将向网络侧发送 终止对 UE定位进程的请求，网络侧根据请求向当前执行定位的网元发送终 止定位进程指令，使当前执行定位的网元终止对 UE的定位进程。从而使本 发明支持提前终止 UE的定位测量，避免了 UE不必要的测量而导致的电量 损耗。 附图说明
图 1为蜂窝无线通讯系统的结构示意图；
图 2为基于 IP的长期演进蜂窝无线通讯系统的扁平化架构示意图； 图 3为本发明实施例一的终止定位进程的方法的流程图；
图 4为本发明实施例二的终止定位进程的方法的流程图；
图 5为本发明实施例三的终止定位进程的方法的流程图；
图 6为本发明实施例四的终止定位进程的方法的流程图；
图 7为本发明终止定位进程的装置的组成结构示意图。 具体实施方式
本发明的基本思想是： 当 UE或基站确定不必再进行定位服务时，将向 网络侧发送终止对 UE定位进程的请求，网络侧根据请求向当前执行定位的 网元发送终止定位进程指令， 使当前执行定位的网元终止对 UE 的定位进 程。 从而使本发明支持提前终止 UE的定位测量， 避免了 UE不必要的测量 而导致的电量损耗。
为使本发明的目的、 技术方案和优点更加清楚明白， 以下举实施例并 参照附图， 对本发明进一步详细说明。 实施例一：
图 3为本发明实施例一的终止定位进程的方法的流程图， 如图 3所示， 本示例终止定位进程的方法包括以下步骤：
步骤 301 : UE当前的服务网络提供定位业务， UE用户可以通过发送 位置服务请求给移动性管理实体 ( MME, Mobility Management Entity )请 求网络对 UE进行定位。
步骤 302: MME接收到 UE的位置服务请求后， 将该位置服务请求发 送给 SMLC。
步骤 303: SMLC发送定位能力请求给 UE, 请求获得与 UE支持的定 位方法相关的能力信息。
步骤 304: UE在接收到定位能力请求后， 将自己的定位能力反馈给 SMLC。
步骤 305: SMLC根据 UE的所支持的定位能力， 选择 UE支持的定位 方法， 并配置该定位方法需要的辅助数据， 连同 "请求位置信息" 消息发 送给 UE, 并指示 UE周期性上报测量结果。
步骤 306: UE根据 SMLC发送的请求位置信息消息和辅助数据进行定 位测量， 并通过 "提供位置信息" 消息周期性地反馈定位结果。 反馈的定 位结果可以是所测量的卫星信号、 基站信号到达时间差、 基站下行信号、 计算的 UE位置信息中的至少一项。
步骤 307: SMLC如果接收到 UE反馈的卫星信号或基站信号到达时间 差或基站下行信号， 则根据反馈的信息计算 UE的位置信息。
步骤 308: SMLC将 UE的位置信息反馈给 MME。
步骤 309: MME将 UE的位置信息反馈给 UE。
步骤 310: UE用户认为已经获得足够的位置信息， 不需要继续获得位 置信息， 则发送位置服务终止请求给 MME。 该位置服务终止请求是一个新 的独立的消息体， 承载有定位进程终止的请求标识。
步骤 311 : MME将位置服务终止请求发送给 SMLC。
步骤 312: SMLC发送定位进程终止指令给 UE。 这里， 定位进程终止 指令是一个新的独立的消息体， 承载有定位进程终止的指示标识。
步骤 313: UE接收到定位进程终止指令后，停止正在进行的定位操作， 并上报当前的定位结果， 或仅停止正在进行的定位操作。
实施例二
图 4为本发明实施例二的终止定位进程的方法的流程图， 如图 4所示， 本示例终止定位进程的方法包括以下步骤：
步骤 401 : UE 当前的服务网络提供定位业务， UE用户可以通过发送 位置服务请求给移动性管理实体 MME请求网络对 UE进行定位。
步骤 402: MME接收到 UE的位置服务请求后， 将该位置服务请求发 送给网络定位实体 SMLC。
步骤 403: SMLC发送定位能力请求给 UE, 请求获得与 UE支持的定 位方法相关的能力信息。
步骤 404: UE在接收到定位能力请求后， 将自己的定位能力反馈给 SMLC。
步骤 405: SMLC根据 UE的所支持的定位能力， 选择 UE支持的定位 方法， 并配置该定位方法需要的辅助数据， 连同 "请求位置信息" 消息发 送给 UE, 并指示 UE周期性上报测量结果。
步骤 406: UE根据 SMLC发送的请求位置信息消息和辅助数据进行定 位测量， 并通过 "提供位置信息" 消息周期性的反馈定位结果。 反馈的定 位结果可以是所测量的卫星信号、 基站信号到达时间差、 基站下行信号、 计算的 UE位置信息中的至少一项。
步骤 407: SMLC如果接收到 UE反馈的卫星信号或基站信号到达时间 差或基站下行信号， 则根据反馈的信息计算 UE的位置信息。
步骤 408: SMLC将 UE的位置信息反馈给 MME。
步骤 409: MME将 UE的位置信息反馈给 UE。
步骤 410: UE用户认为已经获得足够的位置信息， 不需要继续获得位 置信息， 则发送定位进程终止请求给 SMLC。 该定位进程终止请求是一个 新的独立的消息体， 承载有定位进程终止的请求标识。
步骤 411 : SMLC发送定位进程终止指令给 UE。 这里， 定位进程终止 指令是一个新的独立的消息体， 承载有定位进程终止的指示标识。
步骤 412: UE接收到定位进程终止指令后，停止正在进行的定位操作，， 并上报当前的定位结果， 或仅停止正在进行的定位操作。
实施例三
图 5为本发明实施例三的终止定位进程的方法的流程图， 如图 5所示， 本示例终止定位进程的方法包括以下步骤：
步骤 501 : UE 当前的服务网络提供定位业务， UE用户可以通过发送 位置服务请求给移动性管理实体 MME请求网络对 UE进行定位。
步骤 502: MME接收到 UE的位置服务请求后， 将该位置服务请求发 送给网络定位实体 SMLC。
步骤 503: SMLC选择定位方法 E-CID (增强的小区标识方法）， 发送 "请求位置信息" 消息给基站， 并指示基站周期性上报测量结果。
步骤 504: 基站根据 SMLC发送的请求位置信息消息进行定位测量， 并通过 "提供位置信息" 消息周期性的反馈定位结果。 反馈的定位结果可 以是所测量的 UE的定时提前、信号到达角度、 UE上行信号中的至少一项。
步骤 505: SMLC接收到基站反馈的测量结果后， 则根据反馈的信息计 算 UE的位置信息。
步骤 506: SMLC将 UE的位置信息反馈给 MME。 步骤 507: MME将 UE的位置信息反馈给 UE。
步骤 508: UE用户认为已经获得足够的位置信息， 不需要继续获得位 置信息， 则发送位置服务终止请求给 MME。 该位置服务终止请求是一个新 的独立的消息体， 承载有定位进程终止的请求标识。
步骤 509: MME将位置服务终止请求发送给 SMLC。
步骤 510: SMLC发送定位进程终止指令给基站。 这里， 定位进程终止 指令是一个新的独立的消息体， 承载有定位进程终止的指示标识。
步骤 511 :基站接收到定位进程终止指令后，停止正在进行的定位操作， 并上报当前的定位结果， 或仅停止正在进行的定位操作。
实施例四：
图 6为本发明实施例四的终止定位进程的方法的流程图， 如图 6所示， 本示例终止定位进程的方法包括以下步骤：
步骤 601 :基站可以通过发送位置服务请求给移动性管理实体 MME请 求网络对指定 UE进行定位。
步骤 602: MME接收到基站的位置服务请求后， 将该位置服务请求发 送给网络定位实体 SMLC。
步骤 603: SMLC选择定位方法 E-CID (增强的小区标识方法）， 发送 "请求位置信息" 消息给基站， 并指示基站周期性上报测量结果。
步骤 604: 基站根据 SMLC发送的请求位置信息消息进行定位测量， 并通过 "提供位置信息" 消息周期性地反馈定位结果。 反馈的定位结果可 以是所测量的 UE的定时提前、信号到达角度、 UE上行信号中的至少一项。
步骤 605: SMLC接收到基站反馈的测量结果后， 则根据反馈的信息计 算 UE的位置信息。
步骤 606: SMLC将 UE的位置信息反馈给 MME。
步骤 607: MME将 UE的位置信息反馈给基站。 步骤 608: 基站认为已经获得足够的位置信息， 不需要继续获得位置信 息， 则发送定位进程终止请求给 SMLC。 该定位进程终止请求是一个新的 独立的消息体， 承载有定位进程终止的请求标识。
步骤 609: SMLC发送定位进程终止指令给基站。 这里， 定位进程终止 指令是一个新的独立的消息体， 承载有定位进程终止的指示标识。
步骤 610:基站接收到定位进程终止指令后，停止正在进行的定位操作， 并上报当前的定位结果， 或仅停止正在进行的定位操作。
上述实施例一至实施例四对定位进程的终止是釆用了现有技术中没有 的新的信令， 本发明同样支持釆用现有技术中已有信令而实现本发明技术 方案， 在已有信令中设置信息元来标识定位进程终止和定位进程指示。 具 体对应如下： SMLC指示 UE或基站终止定位进程的信令可以包含在 SMLC 发送给 UE或基站的已有信令 "请求位置信息" 消息中。 UE或基站请求终 止定位进程的信令可以包含在 UE或基站发送给 SMLC的已有信令 "提供 位置信息" 消息中。 可以在 "请求位置信息" 消息和 "提供位置信息" 消 息中各增加一个信息元， 用来分别承载指示定位进程终止的信令和终止 UE 的定位进程请求。
图 7为本发明终止定位进程的装置的组成结构示意图， 如图 7所示， 本发明终止定位进程的装置包括接收单元 70和发送单元 71 , 其中，接收单 元 70用于接收终止对用户终端定位的请求； 发送单元 71用于在接收到所 述终止对用户终端定位的请求后向执行定位的网元发送终止定位进程指 令， 使所述执行定位的网元终止当前对所述用户终端的定位进程。 所述终 止对用户终端定位的请求由所述用户终端、 当前为所述用户终端服务的基 站或移动性管理实体 MME发送给所述 SMLC。所述终止对用户终端定位的 请求包括： 位置服务终止请求或定位进程终止请求。 所述终止定位进程指 令为独立消息， 或承载于现有发送至所述执行定位的网元的消息中通知给 所述执行定位的网元； 所述位置服务终止请求或定位进程终止请求为独立 消息， 或承载于现有发送至所述 SMLC的消息中通知给所述 SMLC。 承载 所述终止定位进程指令的现有消息包括请求位置信息消息； 承载所述位置 服务终止请求或定位进程终止请求的现有消息包括提供位置信息消息。 所 述执行定位的网元包括所述用户终端或当前为所述用户终端服务的基站。
本领域技术人员应当理解， 图 7所示的终止定位进程的装置是为实现 前述的终止定位进程的方法而设置的， 图 7 所示的装置中各处理单元可参 照前述实施例一至实施例四的相关描述而理解， 其功能可通过运行于处理 器上的程序而实现， 也可通过具体的逻辑电路而实现。
以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保 护范围。

Claims

权利要求书
1、 一种终止定位进程的方法， 其特征在于， 包括：
服务移动定位中心 SMLC接收到终止对用户终端定位的请求后， 向执 行定位的网元发送终止定位进程指令。
2、 根据权利要求 1所述的方法， 其特征在于， 所述终止对用户终端定 位的请求由所述用户终端、 或当前为所述用户终端服务的基站、 或移动性 管理实体 MME发送给所述 SMLC。
3、 根据权利要求 1所述的方法， 其特征在于， 所述终止对用户终端定 位的请求包括： 位置服务终止请求或定位进程终止请求。
4、 根据权利要求 3所述的方法， 其特征在于， 所述终止定位进程指令 为独立消息， 或承载于现有发送至所述执行定位的网元的消息中通知给所 述执行定位的网元；
所述位置服务终止请求或定位进程终止请求为独立消息， 或承载于现 有发送至所述 SMLC的消息中通知给所述 SMLC。
5、 根据权利要求 4所述的方法， 其特征在于， 所述承载所述终止定位 进程指令的现有消息包括请求位置信息消息；
所述承载所述位置服务终止请求或定位进程终止请求的现有消息包括 提供位置信息消息。
6、 根据权利要求 1至 5任一项所述的方法， 其特征在于， 所述执行定 位的网元包括所述用户终端或当前为所述用户终端服务的基站。
7、一种终止定位进程的装置，其特征在于， 包括接收单元和发送单元， 其中：
接收单元， 用于接收终止对用户终端定位的请求；
发送单元， 用于在接收到所述终止对用户终端定位的请求后向执行定 位的网元发送终止定位进程指令。
8、 根据权利要求 7所述的装置， 其特征在于， 所述接收单元接收到的 终止对用户终端定位的请求由所述用户终端、 或当前为所述用户终端服务 的基站、 或移动性管理实体 MME发送。
9、 根据权利要求 7所述的装置， 其特征在于， 所述终止对用户终端定 位的请求包括： 位置服务终止请求或定位进程终止请求。
10、 根据权利要求 9所述的装置， 其特征在于， 所述终止定位进程指 令为独立消息， 或承载于现有发送至所述执行定位的网元的消息中通知给 所述执行定位的网元；
所述位置服务终止请求或定位进程终止请求为独立消息， 或承载于现 有发送至所述 SMLC的消息中通知给所述 SMLC。
11、 根据权利要求 10所述的装置， 其特征在于， 所述承载所述终止定 位进程指令的现有消息包括请求位置信息消息；
所述承载所述位置服务终止请求或定位进程终止请求的现有消息包括 提供位置信息消息。
12、 根据权利要求 7至 11任一项所述的装置， 其特征在于， 所述执行 定位的网元包括所述用户终端或当前为所述用户终端服务的基站。
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JP5844735B2 (ja) 2016-01-20
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