WO2019137360A1 - Procédé de positionnement, dispositif de positionnement et serveur de positionnement - Google Patents

Procédé de positionnement, dispositif de positionnement et serveur de positionnement Download PDF

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Publication number
WO2019137360A1
WO2019137360A1 PCT/CN2019/070806 CN2019070806W WO2019137360A1 WO 2019137360 A1 WO2019137360 A1 WO 2019137360A1 CN 2019070806 W CN2019070806 W CN 2019070806W WO 2019137360 A1 WO2019137360 A1 WO 2019137360A1
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WIPO (PCT)
Prior art keywords
positioning
identification code
base station
code sequence
station signals
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PCT/CN2019/070806
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English (en)
Chinese (zh)
Inventor
傅小东
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西安中兴新软件有限责任公司
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Publication of WO2019137360A1 publication Critical patent/WO2019137360A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • 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
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination

Definitions

  • the present disclosure relates to, but is not limited to, the field of wireless communication technologies, and in particular, to a positioning method, a positioning device, and a positioning server.
  • Mobile positioning refers to the technology or service of obtaining the location information of a mobile phone or an end user through a specific positioning technology, and marking the location of the located object on the electronic map.
  • Mobile positioning technology has been related to information such as emergency rescue, medical care, and navigation. While serving the daily life of the public, it also brings great convenience to the country in certain fields.
  • Common mobile positioning methods include:
  • the satellite positioning system consists of three parts: the space part - the satellite constellation; the ground control part - the ground monitoring system; the customer equipment part - the signal receiver.
  • the signal receiver receives the navigation signals from multiple satellites, the pseudo-distance and distance of the receiving antenna to the satellite can be measured, and the satellite orbit parameters and other data can be demodulated. Based on these data, the receiver can perform positioning calculation according to the positioning solution method to calculate the geographical location information of the user.
  • This positioning method has two shortcomings: First, due to the need to receive satellite signals, it is required that the receiver to the satellite cannot be shielded, it must be used in the open air, and the clearance conditions are required to be high; second, the reception and calculation of satellite signals require special Chips and antennas increase the difficulty and cost of mobile station design.
  • the mobile phone measures downlink pilot signals of different base stations, and obtains Time of Arrival (TOA) or Time Difference of Arrival (TDOA) of downlink pilots of different base stations, and adopts a triangle according to the measurement result and the coordinates of the base station.
  • TOA Time of Arrival
  • TDOA Time Difference of Arrival
  • the formula estimation algorithm can calculate the geographical location information of the mobile phone.
  • the actual position calculation method needs to consider the positioning of multiple base stations (three or more), so the algorithm is much more complicated. In general, the more the number of base stations measured by the mobile station, the higher the measurement accuracy, and the more obvious the positioning performance improvement. This positioning method requires prior knowledge of the exact location of the base station and therefore can only be provided by the operator.
  • IP Internet Protocol
  • Signal fingerprint positioning establishes a signal fading model, calculates the distance from the base station according to the measured signal strength, and then performs triangulation calculation based on multiple base stations to obtain position information.
  • This positioning method has two disadvantages: firstly, due to the influence of distance, weather, terrain and the like in the process of wireless signal propagation, the relative distance deviation is large in practical applications; second, because the calculation is based on the location of the base station, This positioning method requires prior knowledge of the location of the base station and therefore can only be provided by the operator.
  • the present disclosure provides a positioning method, a positioning device, and a positioning server, which can reduce the positioning cost of the user terminal.
  • An embodiment of the present disclosure provides a positioning method, which is applicable to a terminal, where the method includes: searching a plurality of base station signals at a current location of the terminal, acquiring and storing an identifier and a signal strength of the searched plurality of base station signals; And storing the stored identification codes of the plurality of base station signals in order of the acquired signal strength, and generating an identification code sequence; and transmitting a positioning query request carrying the identification code sequence to the positioning server, and receiving the identification code sequence returned by the positioning server Corresponding location information.
  • An embodiment of the present disclosure further provides a positioning method, which is applicable to a positioning server, where the method includes: receiving a positioning query request of a terminal carrying an identification code sequence; and querying corresponding to an identification code sequence in the positioning query request Position information; and generating a positioning query result based on the queried location information and returning the positioning query result to the terminal.
  • An embodiment of the present disclosure further provides a positioning apparatus, including a search module, a first storage module, a sorting module, and a first communication module, wherein the search module is configured to search for a plurality of base station signals at a current location, and The identification code and the signal strength of the plurality of base station signals are stored in the first storage module; the sequencing module is configured to sequentially arrange the identification codes of the plurality of base station signals in the first storage module according to the magnitude of the signal strength to generate and identify And the first communication module is configured to send a positioning query request carrying the identification code sequence to the positioning server, and receive the position corresponding to the identification code sequence returned by the positioning server Information; and a first storage module configured to store an identification code and a signal strength of the plurality of base station signals searched for.
  • the search module is configured to search for a plurality of base station signals at a current location, and The identification code and the signal strength of the plurality of base station signals are stored in the first storage module
  • the sequencing module is configured to sequentially arrange the identification codes
  • An embodiment of the present disclosure further provides a positioning server, including a second communication module and a query module, wherein the second communication module is configured to receive a positioning query request of the terminal carrying an identification code sequence, and the identification code is The sequence is output to the query module, receives the location information of the query output by the query module, generates a positioning query result according to the obtained location information, and returns the positioning query result to the terminal; and the query module is configured to receive the identifier output by the query module Sequence, querying location information corresponding to the identification code sequence in the positioning query request, and outputting the queried location information to the second communication module.
  • An embodiment of the present disclosure also provides a computer readable medium storing a program, wherein when the program is executed by a processor, performing any one of the positioning according to the above embodiments method.
  • FIG. 1 is a schematic flow chart of a positioning method according to an embodiment of the present disclosure
  • FIG. 2 is a schematic flow chart of a positioning method according to an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a positioning device according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of a positioning server according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a positioning server according to an embodiment of the present disclosure.
  • a positioning method is applicable to a terminal, and the method includes the following steps:
  • Step 101 Search for a plurality of base station signals at a current location of the terminal, and acquire and store the identification codes and signal strengths of the plurality of searched base station signals.
  • the identification code is a Cell Global Identifier (CGI).
  • CGI Cell Global Identifier
  • CGI is used to identify the area covered by one cell (base station/one sector cell).
  • CGI is unique in the global network and usually does not change.
  • the CGI is composed of a Location Area Identification (LAI) and a Cell Identifier (CID).
  • LAI Location Area Identification
  • CID Cell Identifier
  • the structure of the CGI is MCC+MNC+LAC+CID, where the MCC is the mobile country code and the MNC is Mobile network code, LAC is the location area number, MCC+MNC+LAC is the location area identification code, CID is 2-byte binary code (Binary-Coded Decimal, BCD), by each mobile switching center (Mobile Switching Center, MSC) is self-determined.
  • the structure of the CGI in the LTE network is MCC+MNC+TAC+CID, where TAC is the area tracking code.
  • the resources of the mobile country code are uniformly assigned and managed by the ITU (ITU) to uniquely identify the country to which the mobile subscriber belongs.
  • the mobile country code consists of 3 digits, and China is 460;
  • the mobile network code is used to identify the mobile communication network to which the mobile subscriber belongs, and is composed of 2 to 3 digits.
  • PLMNs Public Land Mobile Networks
  • MNC Public Land Mobile Networks
  • China Mobile uses 00, 02, 04, 07
  • China Unicom GSM system uses 01, 06, 09
  • China Telecom CDMA system uses 03, 05
  • Telecom 4G uses 11, and China Railcom uses 20.
  • the location area number is an area set for paging in the mobile communication system, covering a geographical area.
  • the coverage area of each GSMPLMN is divided into a number of location areas, which are used to identify different location areas.
  • a location area may contain one or more cells.
  • the signal strength varies in different modes.
  • a Receive Signal Strength Indicator (RSSI) is used to characterize the signal strength of the base station signal.
  • the RSSI decays as the distance increases, usually a negative value, and the closer the value is to zero, the higher the signal strength.
  • RSCP Received Signal Code Power
  • RSCP is a signal code power received on the physical channel.
  • the signal strength of the base station signal is characterized by Reference Signal Receiving Power (RSRP), which can represent the key parameters of the wireless signal strength and the physical layer measurement in the Long Term Evolution (LTE) network.
  • RSRP Reference Signal Receiving Power
  • One of the requirements is the average of the signal power received on all Resource Elements (REs) carrying a reference signal within a symbol.
  • the CGI and signal strength are reported by the protocol stack.
  • a global cell identification code and signal strength correspondence table as shown in Table 1 can be generated. Each searched network corresponds to one row of records.
  • the step of storing the identifiers and signal strengths of the plurality of searched base station signals includes:
  • the identification code and signal strength of the top N base station signals are stored according to the number N of base station signals in the previously set identification code sequence.
  • the number N of base station signals in the identification code sequence determines the positioning accuracy of the present disclosure. The more the number of base station signals N, the higher the positioning accuracy. In the most extreme case, there is no wireless signal coverage, and if the number of cells is zero, it cannot be located.
  • Step 102 Arranging the stored identification codes of the plurality of base station signals in order according to the magnitude of the acquired signal strength, and generating an identification code sequence;
  • the step of sequentially arranging the stored identification codes of the plurality of base station signals according to the magnitude of the acquired signal strength includes:
  • the identification codes of the stored plurality of base station signals are arranged in order of signal strength from large to small or from small to large.
  • the base station signals in Table 1 are sorted according to the signal strength from large to small, and the sorting results are as shown in Table 2:
  • CGI Cell ID (CGI) Signal strength 460023307030851 -84 460013207020851 -90 460023307030861 -93 460023307028842 -99 460003307030861 -102 460013297030661 -103 460013287305527 -106 460023307030841 -110 460003307030732 -112 460013297030662 -114
  • the generated identification code sequence is: 460023307030851, 460013207020851, 460023307030861, 460023307028842, 460003307030861, 460013297030661, 460013287305527, 460023307030841, 460003307030732, 460013297030662.
  • Step 103 Send a positioning query request carrying the identification code sequence to the positioning server, and receive location information corresponding to the identification code sequence returned by the positioning server.
  • the location of the base station usually does not change, that is, the location of the base station is relatively stable.
  • the process of wireless signal propagation due to the influence of distance, weather, terrain and other factors, it is impossible to establish an accurate quantitative propagation model.
  • the weather is the amount of change. But the weather has the same impact on each base station. Therefore, at any position, the relative strength of the wireless signals transmitted by the plurality of base stations is stable. Therefore, the present disclosure acquires positioning information by using the generated identification code sequence, which is a very simple and convenient positioning method.
  • the identification code sequence and the location information correspondence table stored on the positioning server may be obtained by the service provider in the previous stage, or may be actively uploaded by the terminal with the positioning function such as GPS to identify the identification code sequence and the location data of the location, thereby gradually enriching the identification. Code sequence and location information correspondence table.
  • the carrier has a large density of base stations of various standards.
  • a single mobile station can measure at least 6 cells.
  • the resulting identification code sequence can provide better positioning accuracy.
  • the base station density is small and the coverage of a single cell is wide.
  • a single mobile station can only measure very few cell signals, and the positioning accuracy is poor.
  • a positioning method is applicable to a positioning server, and the method includes the following steps:
  • Step 201 Receive a positioning query request of the terminal carrying the identification code sequence
  • Step 202 Query location information corresponding to the identification code sequence in the positioning query request.
  • the positioning server may generate an identification code sequence in advance according to the foregoing method at each mapping point and determine the location information (latitude, longitude, and altitude) of the mapping point by using other positioning means (eg, GPS, manual measurement, etc.). Then, an identification code sequence and a position information correspondence table as shown in Table 3 are generated.
  • the identification code sequence and the location information correspondence table may be obtained by the service provider in the previous stage, or may be actively uploaded by the terminal with GPS and other positioning functions to identify the identification code sequence and the location data of the location, thereby gradually enriching the identification code sequence and Location information correspondence table.
  • the height is negative, indicating that the surveying point is below the horizontal line, 0 is on the horizontal line (ground), and the positive value is indicating on the horizontal line.
  • the positioning server stores an identification code sequence and a location information correspondence table, and the identification codes in the identification code sequence are sequentially arranged according to the magnitude of the acquired signal strength. Specifically, the identification codes in the identification code sequence are arranged in order of the obtained signal strengths being large to small or small to large.
  • the number of the identification codes in the identification code sequence is a preset number N of base station signals, where N is a natural number.
  • the identification code sequence carried in the location query request is: 460023307030851, 460013207020851, 460023307030861, 460023307028842, 460003307030861, 460013297030661, 460013287305527, 460023307030841, 460003307030734, 460013297030662, positioning server query identifier
  • the sequence and position information correspondence table gives the following latitude and longitude and altitude information:
  • the location service can only be carried out within the scope of surveying and mapping.
  • the wider the scope of surveying and mapping the wider the scope of positioning services.
  • step 202 if a plurality of latitude, longitude and altitude information records corresponding to the identification code sequence in the positioning query request are queried, the longitude, latitude and altitude of the plurality of records queried are averaged respectively. As a result of the final latitude and longitude and altitude information query.
  • Step 203 Generate a positioning query result according to the queried location information and return the positioning query result to the terminal.
  • a positioning apparatus includes a search module 301, a first storage module 302, a sorting module 303, and a first communication module 304, wherein:
  • the search module 301 is configured to search for a plurality of base station signals of the current location, and store the identifiers and signal strengths of the plurality of searched base station signals to the first storage module 302;
  • the sorting module 303 is configured to sequentially arrange the identification codes of the plurality of base station signals in the first storage module 302 according to the magnitude of the signal strength, generate an identification code sequence, and output the identification code sequence to the first communication module 304;
  • the first communication module 304 is configured to receive the identification code sequence output by the sequencing module 303, send a positioning query request carrying the identification code sequence to the positioning server, and receive location information corresponding to the identification code sequence returned by the positioning server;
  • the first storage module 302 is configured to store the identifiers and signal strengths of the plurality of searched base station signals.
  • the identification code is a global cell identification code.
  • the ordering module 303 may be specifically configured to: arrange the identification codes of the plurality of base station signals in the first storage module 302 according to the signal strength from large to small or from small to large.
  • the searching module 301 may be specifically configured to: arrange the plurality of searched base station signals according to a signal strength in descending order;
  • the identification codes and signal strengths of the N consecutive base station signals are stored in the first storage module 302 according to the number N of base station signals in the previously set identification code sequence.
  • search module 301 can be specifically configured as:
  • the identification codes and signal strengths of the N consecutive base station signals are stored in the first storage module 302 according to the number N of base station signals in the preset identification code sequence.
  • a positioning server includes a second communication module 401 and a query module 402, wherein:
  • the second communication module 401 is configured to receive a positioning query request of the terminal carrying the identification code sequence, output the identification code sequence to the query module 402, and receive the queried location information output by the query module 402, according to the queried location.
  • the information generates a positioning query result and returns the positioning query result to the terminal;
  • the query module 402 is configured to receive the identifier sequence output by the query module 402, query location information corresponding to the identifier sequence in the location query request, and output the queried location information to the second communication module.
  • the positioning server further includes a second storage module 403, where:
  • the second storage module 403 is configured to store an identification code sequence and a location information correspondence table in advance, and the identification codes in the identification code sequence are sequentially arranged according to the magnitude of the acquired signal strength.
  • the query module 402 can be configured to: query the location information corresponding to the identifier sequence in the location query request according to the identifier sequence and the location information correspondence table stored in advance in the second storage module 403.
  • the identification codes in the identification code sequence are arranged in order of the obtained signal strengths being large to small or small to large.
  • the number of the identification codes in the identification code sequence is a preset number N of base station signals, where N is a natural number.
  • the query module 402 can be further configured to:
  • the longitude, latitude and height of the plurality of queried records are respectively averaged as the final latitude, longitude and altitude information query result.
  • the positioning method, the positioning device and the positioning server provided by the disclosure generate an identification code sequence by using signal strengths of a plurality of base station signals searched according to the current location, and then acquire location information corresponding to the identification code sequence from the positioning server, without operation
  • Any support provided by the provider can be mapped and implemented by the service provider, which solves the problem that the satellite positioning is not suitable for indoor positioning, and the present disclosure is based on the existing hardware of the terminal, without additional cost and design difficulty.
  • the technical solution described in the present application can be used for various voice devices such as smart phones and watch bracelets, and can also be applied to scenes such as car search applications and pet tracking. Many parking lots are underground, so the current mainstream positioning methods cannot be implemented.
  • the positioning function can be achieved by the method of the present disclosure. Since the terminal needs time to measure the base station signal, the positioning method provided by the present disclosure is not applicable to the high-speed mobile device; and the present disclosure is suitable for an urban area with a good coverage of the base station, and cannot be used in a wilderness without signal coverage.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

L'invention concerne un procédé de positionnement, un dispositif de positionnement et un serveur de positionnement. Le procédé de positionnement consiste : à rechercher une pluralité de signaux de station de base à une position courante d'un terminal, et à acquérir et stocker des intensités de signal de la pluralité de signaux de station de base trouvés; à classer des codes d'identification de la pluralité de signaux de station de base trouvés en fonction d'un ordre des amplitudes des intensités de signal acquises, et à générer une suite de codes d'identification; et à envoyer à un serveur de positionnement une demande d'interrogation de positionnement portant la suite de codes d'identification, et à recevoir des informations de position correspondant à la suite de codes d'identification renvoyées par le serveur de positionnement.
PCT/CN2019/070806 2018-01-10 2019-01-08 Procédé de positionnement, dispositif de positionnement et serveur de positionnement WO2019137360A1 (fr)

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CN111757255B (zh) * 2020-06-17 2022-11-15 上海钧正网络科技有限公司 一种定位的方法、装置、服务器及系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101064912A (zh) * 2006-04-28 2007-10-31 英华达（南京）科技有限公司 用于定位移动通讯装置的系统及方法
CN101895812A (zh) * 2009-03-12 2010-11-24 上海爱维特信息技术有限责任公司 一种在蜂窝网络中的最匹配信号强度的定位方法
CN102932737A (zh) * 2012-10-24 2013-02-13 广州中道电子科技有限公司 一种获取位置信息的方法、装置和系统
US20140087715A1 (en) * 2012-09-27 2014-03-27 Research In Motion Limited Method and system for indicating frequency for reporting a geran cgi

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101064912A (zh) * 2006-04-28 2007-10-31 英华达（南京）科技有限公司 用于定位移动通讯装置的系统及方法
CN101895812A (zh) * 2009-03-12 2010-11-24 上海爱维特信息技术有限责任公司 一种在蜂窝网络中的最匹配信号强度的定位方法
US20140087715A1 (en) * 2012-09-27 2014-03-27 Research In Motion Limited Method and system for indicating frequency for reporting a geran cgi
CN102932737A (zh) * 2012-10-24 2013-02-13 广州中道电子科技有限公司 一种获取位置信息的方法、装置和系统

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