WO2010133143A1 - Procédé et dispositif de traitement de mesure de localisation - Google Patents

Procédé et dispositif de traitement de mesure de localisation Download PDF

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Publication number
WO2010133143A1
WO2010133143A1 PCT/CN2010/072664 CN2010072664W WO2010133143A1 WO 2010133143 A1 WO2010133143 A1 WO 2010133143A1 CN 2010072664 W CN2010072664 W CN 2010072664W WO 2010133143 A1 WO2010133143 A1 WO 2010133143A1
Authority
WO
WIPO (PCT)
Prior art keywords
measurement
base station
rrc signaling
positioning
lte system
Prior art date
Application number
PCT/CN2010/072664
Other languages
English (en)
Chinese (zh)
Inventor
全海洋
秦飞
Original Assignee
大唐移动通信设备有限公司
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 大唐移动通信设备有限公司 filed Critical 大唐移动通信设备有限公司
Publication of WO2010133143A1 publication Critical patent/WO2010133143A1/fr

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Classifications

    • 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
    • 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
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0018—Transmission from mobile station to base station
    • G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station

Definitions

  • Positioning measurement processing method and device The present application claims priority on Chinese patent application filed on May 20, 2009, Chinese Patent Application No. 200910085052.2, and the invention name is "a positioning measurement processing method and device," The entire contents thereof are incorporated herein by reference.
  • the present invention relates to the field of wireless communications, and in particular, to a positioning measurement processing method and device. Background technique
  • the current positioning is mostly based on the enhanced cell identifier (CELL ID), the assist time advance (TA, Timing Advance) and the angle of arrival (AOA, Angle of Arrival) positioning scheme, so the following is simply called CELL ID+TA+ AOA program.
  • CELL ID enhanced cell identifier
  • TA assist time advance
  • AOA Angle of Arrival
  • FIG. 1 is a schematic diagram of the positioning method. As shown in the figure, in the UMTS (Universal Mobile Telecommunication System), the principle of the positioning method of CELL ID+TA+AOA is:
  • the base station obtains the AOA of the UE (User Equipment) transmitting signal through the smart antenna, the UE is on the ray starting from the Node B (base station), and the angle of the ray rotating counterclockwise from the north direction is AOA;
  • AOA User Equipment
  • the TA timing advance
  • RxTD receiver timing offset
  • the RNC Radio Network Controller
  • the RNC can calculate the location of the UE by using the CELL ID location information and the geographic location information of the Node B.
  • the triggering and upper mechanism of its measurement are as follows:
  • the RNC triggers the UE to perform TA measurement by using a MEASUREMENT CONTROL message of RRC (Radio Resource Control) signaling.
  • RRC Radio Resource Control
  • the layer reports the measurement result of the TA and the time SFN (System Frame Number) of the measurement result to the RRC layer of the UE.
  • the RRC layer reports the measurement result and the corresponding SFN number to the network through the MEASUREMENT REPORT message.
  • the RNC also requires the Node B to perform AOA measurements and save the Node A's AOA measurements.
  • the network combines the measurement result of the TA with the arrival angle AOA of the UE measured by the network side, and determines the location of the UE according to the geographical location of the cell.
  • the technical problem to be solved by the present invention is to provide a method and device for performing positioning measurement processing in an LTE system.
  • a positioning measurement processing method which includes the following steps:
  • the LTE system After receiving the location request message sent by the core network, the LTE system sends the RRC signaling to the UE, where the RRC signaling is used to indicate that the UE performs the auxiliary positioning measurement.
  • the RRC signaling fed back by the UE is received, and the RRC signaling carries a measurement result of the UE performing the assist positioning measurement.
  • a base station is further provided in the embodiment of the present invention, including:
  • the indication module is configured to send RRC signaling to the UE after receiving the location request message sent by the core network in the LTE system, where the RRC signaling is used to indicate that the UE performs the measurement of the auxiliary positioning, and the receiving module is configured to receive the UE.
  • the RRC signaling carries a measurement result of the UE performing auxiliary positioning measurement.
  • a positioning measurement processing method which includes the following steps:
  • the UE receives the RRC signaling sent by the base station in the LTE system, and the RRC signaling sent by the base station is used to indicate that the UE performs the measurement of the auxiliary positioning.
  • the UE performs auxiliary positioning measurement according to the indication
  • the UE feeds back RRC signaling to the base station in the LTE system, and the RRC signaling carried back to the base station carries Measurement results with the UE for auxiliary positioning measurement.
  • a user equipment is further provided in the embodiment of the present invention, including:
  • a receiving module configured to receive R C signaling sent by a base station in an LTE system, where the RRC signaling is used to indicate that the UE performs measurement of assisted positioning;
  • a measuring module configured to perform auxiliary positioning measurement according to the indication
  • a feedback module configured to feed back RRC signaling to the base station in the LTE system, where the RRC signaling carries the measurement result of the auxiliary positioning measurement by the UE.
  • a positioning measurement processing system is further provided in the embodiment of the present invention, including:
  • a base station configured to send RRC signaling to the UE after receiving the location request message sent by the core network in the LTE system, where the RRC signaling is used to indicate that the UE performs the measurement of the auxiliary positioning;
  • the user equipment is configured to perform the auxiliary positioning measurement according to the indication in the signaling after receiving the RRC signaling sent by the base station; after the measurement, the RRC signaling is fed back to the base station, where the RRC signaling carries the measurement result of the auxiliary positioning measurement by the UE.
  • the base station is further configured to receive RRC signaling fed back by the UE, where the RRC signaling carries a measurement result of the auxiliary positioning measurement by the UE.
  • the base station in the LTE system after receiving the location request message sent by the core network, the base station in the LTE system sends the RRC signaling for instructing the UE to perform the auxiliary positioning measurement to the UE, and receives the feedback from the UE and carries the UE for the auxiliary positioning.
  • RRC signaling of the measured measurement results the measurement triggering and reporting mechanism of the auxiliary positioning is performed by using the RRC signaling in the LTE system, so that the UE in the LTE system can assist the network in performing positioning processing.
  • FIG. 1 is a schematic diagram of a positioning method in the background art
  • FIG. 2 is a schematic flowchart of an implementation process of a positioning measurement processing method according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of an implementation process of a positioning module in a base station according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of an implementation process of a positioning module independent of a base station according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a positioning measurement processing system according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a user equipment according to an embodiment of the present invention. detailed description
  • the positioning method is not currently supported in the LTE system, and there is no report for assisting the positioning measurement.
  • the CELL ID+TA+AOA method if the UE does not report the TA, the positioning of the UE to the UE may be deviated, and the accuracy of the positioning cannot be guaranteed.
  • OTDOA observed Time Difference Of Arrival
  • FIG. 2 is a schematic diagram of an implementation process of a positioning measurement processing method. As shown in the figure, the following steps may be included in performing measurement processing:
  • Step 201 The base station in the LTE system receives a positioning request message sent by the core network.
  • Step 202 The base station sends RRC signaling to the UE, where the RRC signaling is used to indicate that the UE performs the measurement of the auxiliary positioning.
  • Step 203 The eNB sends the RRC signaling that is fed back by the UE, where the RRC signaling carries the measurement result of the auxiliary positioning measurement by the UE.
  • the base station triggers the relevant measurement of the location in step 202: triggering the UE to perform the auxiliary positioning measurement by using the RRC signaling (for the CELL ID+TA+AOA positioning method, It is necessary to measure the TA), and if necessary, also trigger the physical layer of the base station to perform related measurement for the UE (for the CELL ID+TA+AOA positioning method, the AOA needs to be measured), that is, the base station in the LTE system receives the positioning sent by the core network in step 202.
  • the method further includes: performing, by the base station, a measurement of the positioning of the UE. After receiving the RRC signaling that triggers the positioning measurement, the UE passes the relevant measurement result and the corresponding measurement time (optional parameter). The uplink RRC signaling is sent to the base station, and then the base station can receive the feedback measurement result in step 203.
  • the UE may be located according to the RRC signaling fed back by the UE and the measurement result of the base station.
  • the base station may send all the information related to the positioning to the positioning module, and the positioning module processes the measurement results to perform positioning of the UE.
  • the positioning module refers to a module for performing positioning related calculation, and may be a positioning calculation module inside the base station or a separate E-SMLC (Enhanced-Serving Mobile Location Centre), and the base station through the IuPC interface. Connected.
  • E-SMLC Enhanced-Serving Mobile Location Centre
  • the UE may receive the RRC signaling sent by the base station in the LTE system, and the RRC signaling sent by the base station is used to indicate that the UE performs the measurement of the auxiliary positioning.
  • the RRC signaling is fed back to the base station in the LTE system, and the RRC signaling fed back to the base station carries the measurement result of the auxiliary positioning measurement by the UE.
  • FIG. 3 is a schematic diagram of the implementation process of the positioning module in the base station. As shown in the figure, the following steps may be included:
  • Step 301 The core network sends a location request message to the base station.
  • Step 302 The base station triggers the measurement reporting of the positioning by using the RRC signaling.
  • Step 303 The base station triggers positioning related measurement inside the base station.
  • Step 304 The UE reports the relevant measurement result by using RRC signaling.
  • Step 305 The positioning module in the base station performs positioning according to the measurement result in the UE and the base station.
  • Step 306 The base station reports the positioning result to the core network.
  • FIG. 4 is a schematic diagram of an implementation process in which a positioning module is independent of a base station. As shown in the figure, the following steps may be included:
  • Step 401 The core network sends a location request message to the base station.
  • Step 402 The base station triggers the measurement reporting of the positioning by using the RRC signaling.
  • Step 403 The base station triggers positioning related measurement inside the base station.
  • Step 404 The UE reports the relevant measurement result by using RRC signaling.
  • Step 405 The base station reports the measurement result to the positioning module.
  • Step 406 The positioning module performs positioning according to the measurement result of the UE and the base station.
  • Step 407 The positioning module notifies the base station of the positioning result.
  • Step 408 The base station reports the positioning result to the core network.
  • the newly designed RRC signaling may be used; the existing RRC signaling may also be used, and the information unit carried by the information unit may be extended to increase Information about targeting.
  • the two methods will be described below.
  • the design of the downlink RRC signaling can be considered to carry the following information:
  • the RRC positioning request message can be as follows:
  • Positioning type indication Indicates which positioning method to use
  • the measured quantity of positioning may also not exist, if it can be based on the positioning class
  • the type can determine the measurement, and this parameter is not needed.
  • the positioning related measurement result can be indicated as a single report, multiple times of reporting, or periodic report reporting.
  • This parameter is optional. This parameter is used to specify the reported
  • This parameter is optional. This parameter is used to give the reported
  • Period (can be in ms)
  • uplink RRC signaling can be considered to carry the following information:
  • the RRC positioning information report can be as follows:
  • the type of measurement indicates the type of measurement that was reported
  • the measurement result is reported to the corresponding measurement result.
  • the measurement results can be as follows:
  • the downlink may extend the RRC connection reconfiguration message, and add positioning related measurement configuration information to the extended information.
  • the measurement results can be as follows:
  • the embodiment of the present invention further provides a positioning measurement processing system, a base station, and a user equipment. Since the principle of solving the problem is similar to the positioning measurement processing method, the implementation of the device may refer to the implementation of the method. The repetition is not repeated.
  • FIG. 5 is a schematic structural diagram of a positioning measurement processing system.
  • the system may include: The base station 501 is configured to send RRC signaling to the UE after receiving the location request message sent by the core network in the LTE system, where the RRC signaling is used to indicate that the UE performs the measurement of the auxiliary positioning, and the user equipment 502 is configured to After receiving the RRC signaling sent by the base station, performing the auxiliary positioning measurement according to the indication in the signaling; after the measurement, feeding back the RC signaling to the base station, where the RRC signaling carries the measurement result of the auxiliary positioning measurement by the UE.
  • the base station 501 is further configured to receive RRC signaling fed back by the UE, where the RRC signaling carries a measurement result of the UE performing the assist positioning measurement.
  • the base station may be further configured to perform positioning measurement on the UE after receiving the location request message sent by the core network in the LTE system.
  • the system can further include:
  • the positioning module 503 is configured to locate the UE according to the RRC signaling fed back by the UE and the measurement result of the base station.
  • the positioning module can be in the base station or independent of the base station, and the embodiment shown is independent of the base station.
  • FIG. 6 is a schematic structural diagram of a base station, as shown in the figure, the base station may include:
  • the indication module 601 is configured to: after receiving the location request message sent by the core network in the LTE system, send the RRC signaling to the UE, where the RRC signaling is used to indicate that the UE performs the measurement of the auxiliary positioning; and the receiving module 602 is configured to: Receiving RRC signaling fed back by the UE, where the RRC signaling carries a measurement result of the UE performing the assist positioning measurement.
  • the receiving module may be further configured to receive a measurement result including: TA, TA+SFN, one of observing time differences, or a combination thereof.
  • the base station may further include:
  • the measuring module 603 is configured to perform positioning measurement on the UE after receiving the positioning request message sent by the core network in the LTE system.
  • the measurement module can be further used to obtain measurements including AOA.
  • the base station may further include:
  • the positioning module 604 is configured to: according to the RRC signaling fed back by the UE and the measurement result of the base station The UE performs positioning.
  • FIG. 7 is a schematic structural diagram of a user equipment. As shown in the figure, the UE may include:
  • the receiving module 701 is configured to receive the RRC signaling sent by the base station in the LTE system, where the RRC signaling is used to indicate that the UE performs the measurement of the auxiliary positioning.
  • the measuring module 702 is configured to perform auxiliary positioning measurement according to the indication
  • the feedback module 703 is configured to feed back RRC signaling to the base station in the LTE system, where the RRC signaling carries the measurement result of the auxiliary positioning measurement by the UE.
  • the feedback module may be further used for feedback including: one of TA, TA+SFNv observation time difference or a combination thereof.
  • the base station in the LTE system After receiving the positioning request, the base station in the LTE system sends an RRC signaling to trigger the UE to perform TA measurement.
  • the base station in the LTE system also triggers the measurement of the AOA of the physical layer of the base station.
  • the UE After receiving the RRC message for TA measurement, the UE performs TA measurement and reports the measurement result to the base station in the LTE system.
  • the base station receives the measurement result of the TA, and can perform the positioning according to the measurement AOA of the base station, and can perform the positioning after multiple times of measurement, or after the positioning of each pair of TA and AOA, and then take the average value.
  • Various techniques can be used in the implementation process.
  • the embodiments of the present invention may also be used to support other methods of positioning, such as the positioning method of the OTDOA.
  • the related measurement in the foregoing process may be the measurement of the observation time difference by the UE.
  • the base station may send the auxiliary positioning measurement command message to the UE through the RRC signaling;
  • the UE After receiving the measurement command message of the auxiliary positioning, the UE performs related measurement, and reports the result of the 3 ⁇ 4 quantity to the network side in the LTE system through the uplink RRC signaling.
  • the positioning module on the network side can assist the base station according to the measurement result reported by the UE.
  • the measurement results are located.
  • the measurement result reported by the UE may be TA or TA+SFN, and the value of the TA may be a single measurement result or an average of multiple measurement results; in addition to reporting the TA measurement, it may be other The measurement required for the positioning method, such as the measurement amount "observation time difference" in the OTDOA method.
  • Measurement results on the network side can be either a single measurement or an average of multiple measurements.
  • the positioning module When the positioning module performs positioning calculation, it can be positioned with a single result, or it can be positioned multiple times and then averaged.
  • the measurement triggering and reporting mechanism of the auxiliary positioning is performed by using RRC signaling in the LTE system, so that the LTE UE can assist the network in performing positioning processing.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the device is implemented in a flow chart or Multiple processes and/or block diagrams The functions specified in one or more boxes.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device
  • the instructions provide steps for implementing the functions specified in a flowchart or a flow or a plurality of flows and/or block diagrams in one or more blocks.

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

Abstract

La présente invention se rapporte à un procédé et à un dispositif de traitement de mesure de localisation. Le procédé comprend les étapes suivantes : après avoir reçu un message de demande de localisation transmis par un cœur de réseau (CN), une station de base (BS) d'un système d'évolution à long terme (LTE) transmet un signal de commande de ressource radio (RRC) à un équipement d'utilisateur (UE), le signal RRC étant utilisé pour indiquer à l'UE qu'il doit exécuter une mesure d'aide à la localisation ; le signal RRC renvoyé par l'UE est reçu, le signal RRC contenant le résultat de mesure de la mesure d'aide à la localisation exécutée par l'UE. Grâce à la présente invention, un mécanisme de déclenchement et de communication de mesure peut être mis en œuvre par le biais du signal RRC dans le système LTE, et le terminal d'utilisateur du système LTE peut aider le réseau à exécuter le processus de localisation.
PCT/CN2010/072664 2009-05-20 2010-05-12 Procédé et dispositif de traitement de mesure de localisation WO2010133143A1 (fr)

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CN2009100850522A CN101895984A (zh) 2009-05-20 2009-05-20 一种定位测量处理方法及设备
CN200910085052.2 2009-05-20

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CN102291496B (zh) * 2011-09-06 2013-08-07 华为终端有限公司 终端的通话方法及使用该通话方法的终端
CN106604319A (zh) * 2015-10-15 2017-04-26 中兴通讯股份有限公司 一种测距方法及基站
CN107197518B (zh) * 2016-03-14 2020-01-17 中国移动通信集团河南有限公司 一种确定终端位置的方法及装置
CN106211326B (zh) * 2016-08-31 2019-09-10 四川亨通网智科技有限公司 一种基于lte-mr数据的综合精确定位算法
CN111600686B (zh) * 2019-02-01 2021-12-31 华为技术有限公司 一种通信方法及装置
CN114071706B (zh) * 2021-11-16 2022-04-22 网络通信与安全紫金山实验室 定位方法、定位装置、定位设备、定位系统和存储介质

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