WO2018061907A1 - Serveur de positionnement, procédé de commande d'un serveur de positionnement, support d'enregistrement sur lequel est enregistré un programme de serveur de positionnement, système de positionnement, et dispositif de communication - Google Patents

Serveur de positionnement, procédé de commande d'un serveur de positionnement, support d'enregistrement sur lequel est enregistré un programme de serveur de positionnement, système de positionnement, et dispositif de communication Download PDF

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Publication number
WO2018061907A1
WO2018061907A1 PCT/JP2017/033829 JP2017033829W WO2018061907A1 WO 2018061907 A1 WO2018061907 A1 WO 2018061907A1 JP 2017033829 W JP2017033829 W JP 2017033829W WO 2018061907 A1 WO2018061907 A1 WO 2018061907A1
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WO
WIPO (PCT)
Prior art keywords
positioning
information
communication
communication device
gnss
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Application number
PCT/JP2017/033829
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English (en)
Japanese (ja)
Inventor
嘉秀久 中島
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日本電気株式会社
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Publication of WO2018061907A1 publication Critical patent/WO2018061907A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18—Network planning tools
    • 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

Definitions

  • the present invention relates to a positioning server, a positioning server control method, a positioning server program, a positioning system, and a communication device.
  • A-GNSS Assisted-Global Navigation Satellite System
  • Wi-Fi registered trademark
  • Wi-Fi Wireless Fidelity
  • assist information that is information used for positioning performed by the communication device, including satellite orbit information from a positioning server managed by a communication carrier. Receive. Then, the communication device performs positioning based on the received assist information and the signal received from the satellite.
  • the communication device receives radio waves transmitted by a plurality of base stations in the mobile phone communication system and measures the intensity of each radio wave when transmitting / receiving information to / from another communication device for a call or the like, for example. To do. And a communication apparatus transmits / receives information with another communication apparatus via the base station of the transmission origin of the radio wave with the strongest intensity of a measurement result.
  • the communication carrier sets a range (hereinafter referred to as “communication range”) in which communication with the base station is possible as follows. Specifically, for example, based on the communication range of other base stations, the communication carrier determines the direction of the antenna of the newly installed base station, the reach of radio waves radiated from the antenna, the value of transmission power, etc. Is calculated. Then, the communication carrier performs a setting operation according to the calculated value for the newly installed base station.
  • a range hereinafter referred to as “communication range” in which communication with the base station is possible as follows. Specifically, for example, based on the communication range of other base stations, the communication carrier determines the direction of the antenna of the newly installed base station, the reach of radio waves radiated from the antenna, the value of transmission power, etc. Is calculated. Then, the communication carrier performs a setting operation according to the calculated value for the newly installed base station.
  • the communication range of the base station varies depending on the topography around the base station and the density of buildings.
  • a field survey is performed to verify whether the communication range of a newly installed base station is as expected.
  • the reach and intensity of radio waves emitted from base stations are measured.
  • the field survey requires a lot of personnel, equipment, and time.
  • the field survey can also be performed when a new building is constructed around the base station, or when another base station is added or removed.
  • Patent Document 1 discloses a mobile communication device that transmits position information and information indicating electric field strength to a base station when the base station performs polling.
  • Patent Document 2 discloses a mobile device that transmits error information to an exchange when communication abnormality occurs and communication becomes possible thereafter.
  • Patent Document 3 discloses a wireless terminal that transmits information indicating collected communication quality to a database server.
  • the mobile communication device described in Patent Document 1 the mobile device described in Patent Document 2, and the wireless terminal described in Patent Document 3 are based on error information and information indicating electric field strength.
  • error information In order to transmit to a station or an exchange, it is necessary to have a function for performing polling and a function for detecting an error. Then, additional communication processing according to the installed function occurs in the terminal, the base station, or the like.
  • the present invention provides a positioning server, a positioning server control method, a positioning server program, a positioning system, and a communication device that can acquire communication quality information related to a communication range of a base station without increasing communication processing.
  • the purpose is to do.
  • a positioning server includes a storage unit that stores information, communication quality information that is information indicating the quality of communication between the communication device and the base station, Information used for positioning by A-GNSS after receiving a positioning start request for the start of positioning by A-GNSS (Assisted-Global Navigation Satellite System) including identifier information indicating base station Communication means for transmitting the assist information to the communication device, and when the communication means receives positioning result information including a result of positioning by A-GNSS using the assist information from the communication device, the positioning result Information, the communication quality information included in the positioning start request, and the identifier information Characterized in that a control means for storing the ⁇ means.
  • A-GNSS Assisted-Global Navigation Satellite System
  • a communication apparatus includes communication quality information that is information indicating quality of communication between a communication apparatus and a base station, and identifier information that is information indicating the base station.
  • Communication means for sending a positioning start request for requesting the start of positioning by A-GNSS to the positioning server, and receiving assist information, which is information used for positioning by A-GNSS, from the positioning server, and the assist information
  • a control unit that performs positioning by A-GNSS using and transmits the positioning result information including the positioning result to the communication server.
  • a positioning system includes a storage unit that stores information, communication quality information that is information indicating a quality of communication between the communication apparatus and the base station, A positioning start request for requesting the start of positioning by A-GNSS, including identifier information that is information indicating a base station, is received from the communication device, and assist information that is information used for positioning by A-GNSS is received from the communication device. Included in the positioning result information and the positioning start request when the communication means receives positioning result information including a positioning result by A-GNSS using the assist information from the communication device.
  • a positioning server comprising: a control unit that stores the communication quality information and the identifier information stored in the storage unit; and a communication device and a base station.
  • a positioning start request for requesting the start of positioning by A-GNSS including communication quality information that is information indicating the quality of communication and identifier information that is information indicating the base station, is sent to the positioning server, and A-GNSS Communication means for receiving assist information, which is information used for positioning by the positioning server, and positioning by A-GNSS using the assist information, and positioning result information including the positioning result is sent to the communication means.
  • a communication device including a control means for transmitting to a positioning server.
  • a positioning server control method includes communication quality information, which is information indicating the quality of communication between a communication apparatus and a base station, and information indicating the base station.
  • positioning result information including a result of positioning by A-GNSS using the assist information is received from an apparatus
  • the positioning result information, the communication quality information included in the positioning start request, and the identifier information are It is memorized.
  • a positioning server program provides a computer of a positioning server with communication quality information that is information indicating quality of communication between a communication device and a base station, and the base
  • a positioning start request for requesting the start of positioning by A-GNSS including identifier information that indicates information on a station is received from the communication device, and assist information that is information used for positioning by A-GNSS is received by the communication device.
  • the communication quality included in the positioning result information and the positioning start request when receiving the positioning result information including the positioning result by the A-GNSS using the assist information from the communication device.
  • a process for storing information and the identifier information is executed.
  • communication quality information relating to the communication range of the base station can be acquired without increasing communication processing.
  • FIG. 1 is a block diagram illustrating a configuration example of the positioning system 100 according to the first embodiment.
  • the positioning system 100 includes a communication device 200 and a positioning server 400.
  • the communication device 200 and the positioning server 400 transmit and receive information via the base station 300.
  • the base station 300 is, for example, a base station of a mobile phone communication system compatible with LTE (Long Term Evolution).
  • the communication device 200 is equipped with a positioning function such as A-GNSS, a communication function such as Wi-Fi, and a mobile phone communication function. In this example, it is assumed that positioning is performed to measure the current position of the communication device 200 by A-GNSS using SUPL (Secure User Plane Location).
  • SUPL Secure User Plane Location
  • ULP User Location Protocol
  • the communication device 200 can transmit information indicating an RSRP (Reference Signal Received Power) value and an RSRQ (Reference Signal Received Quality) value, which will be described later, to the positioning server 400 based on the ULP. .
  • FIG. 2 is a block diagram illustrating a configuration example of the communication device 200.
  • the communication device 200 includes a communication unit 210, a control unit 220, and a signal reception unit 230.
  • the communication device 200 operates as follows when performing positioning. Specifically, for example, the communication unit 210 receives a reference signal transmitted from the base station 300.
  • the controller 220 measures the RSRP and RSRQ of the reference signal received by the communication unit 210.
  • the control part 220 is communication quality information which shows the measured value of RSRP and RSRQ in Location ID in the positioning start request
  • the control unit 220 causes the communication unit 210 to transmit the positioning start request to the positioning server 400.
  • the signal receiving unit 230 receives assist information (described later) transmitted from the positioning server 400 in response to the positioning start request
  • the signal receiving unit 230 receives a GPS (Global Positioning System) signal transmitted from a satellite (not shown). Receive.
  • the control unit 220 performs positioning based on the assist information received by the communication unit 210 and the GPS signal received by the signal receiving unit 230.
  • the control unit 220 causes the communication unit 210 to transmit positioning result information including information indicating the positioning result and information indicating the date and time when positioning is performed to the positioning server 400.
  • GNSS Global Navigation Satellite System
  • Galileo Galileo
  • QZSS Quadrati Zenith Satellite System
  • the communication device 200 is, for example, a communication device such as a mobile phone, a smartphone, or a tablet terminal that supports LTE.
  • FIG. 3 is a block diagram illustrating a configuration example of the positioning server 400.
  • the positioning server 400 includes a communication unit 410, a storage unit 420, a control unit 430, and a reception unit 440.
  • the receiving unit 440 receives basic information used for generating assist information from a satellite.
  • the storage unit 420 stores position information of each base station including the base station 300 and basic information received by the receiving unit 440 from the satellite. Note that the control unit 430 updates the basic information stored in the storage unit 420 to the basic information received by the receiving unit 440 at any time.
  • the control unit 430 generates assist information based on the base station position information and basic information stored in the storage unit 420.
  • the control unit 430 When the communication unit 410 receives a positioning start request transmitted from the communication device 200, the control unit 430 generates assist information based on the base station position information and basic information stored in the storage unit 420. To do. Then, the control unit 430 causes the communication unit 410 to transmit the generated assist information to the communication device 200. In addition, when the communication unit 410 receives the positioning result information transmitted from the communication device 200, the control unit 430 stores the communication quality information stored in the positioning result information and the above-described positioning start request in the storage unit 420. And identifier information are stored. In addition, when storing the positioning result information, the communication quality information, and the identifier information in the storage unit 420, the control unit 430 may not identify the transmission source of the information. According to such a configuration, since the anonymity of the transmission source of the positioning result information, the communication quality information, and the identifier information stored in the storage unit 420 is maintained, the problem of privacy infringement does not occur.
  • the positioning server 400 corresponds to, for example, SLP (SUPL Location Platform) in SUPL.
  • SLP SUPPL Location Platform
  • FIG. 4 is a sequence diagram illustrating an example of operations performed by the communication device 200 and the positioning server 400 when the communication device 200 performs positioning using SUPL.
  • Step S101 Processing in Communication Device 200
  • the communication unit 210 receives the reference signal transmitted from the base station 300.
  • the controller 220 measures the RSRP and RSRQ of the reference signal received by the communication unit 210.
  • the control unit 220 stores the communication quality information and the identifier information in the Location ID in the positioning start request (SUPL START) that is information transmitted to the positioning server 400.
  • the control unit 220 causes the communication unit 210 to transmit the positioning start request to the positioning server 400.
  • Step S102 processing in positioning server 400
  • the control unit 430 When the communication unit 410 receives a positioning start request transmitted from the communication device 200, the control unit 430 generates assist information based on the base station position information and basic information stored in the storage unit 420. To do. Then, the control unit 430 causes the communication unit 410 to transmit the generated assist information to the communication device 200.
  • Step S103 Processing in Communication Device 200
  • the communication unit 210 receives assist information transmitted from the positioning server 400
  • the signal receiving unit 230 receives a GPS signal transmitted from a satellite.
  • the control unit 220 performs positioning based on the assist information received by the communication unit 210 and the GPS signal received by the signal receiving unit 230.
  • Step S104 Processing in Communication Device 200
  • the control unit 220 causes the communication unit 210 to transmit positioning result information to the positioning server 400.
  • Step S105 Processing in the positioning server 400
  • the control unit 430 stores the communication quality information and identifier stored in the storage unit 420 in the positioning result information and the positioning start request described above.
  • the control unit 430 stores the communication quality information and identifier stored in the storage unit 420 in the positioning result information and the positioning start request described above.
  • steps S101 to S105 described above is performed each time the communication device 200 performs positioning using SUPL. Therefore, each time the communication apparatus 200 performs positioning using SUPL, the storage unit 420 accumulates positioning result information, communication quality information, and identifier information.
  • the control unit 220 stores communication quality information and identifier information in the Location ID in the positioning start request.
  • the control unit 220 causes the communication unit 210 to transmit the positioning start request to the positioning server 400.
  • the control unit 220 causes the communication unit 210 to transmit positioning result information to the positioning server 400. Therefore, when performing positioning using SUPL, the communication device 200 transmits a positioning start request to the positioning server 400 so as to include communication quality information and identifier information.
  • the positioning server 400 can acquire the communication quality information related to the communication range of the base station without increasing the communication processing.
  • the communication apparatus 200 transmits positioning result information, communication quality information, and identifier information to the positioning server 400 based on ULP. With such a configuration, it is not necessary to add a new function to the communication apparatus 200 for transmitting the positioning result information, the communication quality information, and the identifier information to the positioning server 400.
  • the positioning server 400 stores positioning result information, communication quality information, and identifier information.
  • the communication carrier can acquire positioning result information, communication quality information, and identifier information by referring to the storage content of the storage unit 420 in the positioning server 400.
  • the number of field surveys can be reduced.
  • a positioning server 500 according to the second embodiment will be described with reference to the drawings.
  • FIG. 5 is a block diagram illustrating a configuration example of the positioning server 500 according to the second embodiment.
  • positioning server 500 includes a communication unit 510, a storage unit 520, and a control unit 530.
  • the communication unit 510 corresponds to the communication unit 410 of the positioning server 400 in the first embodiment shown in FIG.
  • the storage unit 520 corresponds to the storage unit 420 of the positioning server 400 in the first embodiment shown in FIG.
  • the control unit 530 corresponds to the control unit 430 of the positioning server 400 in the first embodiment shown in FIG.
  • Communication unit 510 performs positioning for requesting the start of positioning by A-GNSS, including communication quality information that is information indicating the quality of communication between the communication apparatus and the base station, and identifier information that is information indicating the base station.
  • a start request is received from the communication device, and assist information, which is information used for positioning by A-GNSS, is transmitted to the communication device.
  • the control unit 530 When the communication unit 510 receives positioning result information including the result of positioning by A-GNSS using assist information from the communication device, the control unit 530 includes the positioning result information and the positioning start request in the storage unit 520. The communication quality information and the identifier information are stored.
  • a positioning start request including communication quality information and identifier information is transmitted to the positioning server 500. Therefore, the positioning server 500 can acquire the communication quality information regarding the communication range of the base station without increasing the communication processing.
  • the present invention is not limited to the above-described embodiments, and further modifications and substitutions are possible without departing from the basic technical idea of the present invention. You can make adjustments. Moreover, you may implement combining each embodiment suitably. Specifically, in this example, it is described that positioning is performed using a GPS satellite. However, the positioning may be performed by network-based positioning that does not use a satellite. In network-based positioning, server-assisted positioning is performed by cooperation between a positioning server and a base station or a wireless LAN access point whose position is known.
  • the UE-B User Equipment-Based positioning that performs positioning on the communication device side
  • UE-A UE-Assisted positioning that performs positioning on the positioning server side
  • It may be configured as follows.
  • positioning system 100 positioning system 200 communication device 210 communication unit 220 control unit 230 signal receiving unit 300 base station 400 positioning server 410 communication unit 420 storage unit 430 control unit 500 positioning server 510 communication unit 520 storage unit 530 control unit

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

Abstract

[Problème] L'invention a pour objet de proposer un serveur de positionnement, un procédé de commande du serveur de positionnement, un programme de serveur de positionnement, un système de positionnement, et un dispositif de communication au moyen desquels des informations de qualité de communication liées à une étendue de communication d'une station de base peuvent être obtenues sans provoquer une augmentation du processus de communication. [Solution] Un serveur 500 de positionnement comporte: une unité 520 de stockage dans laquelle sont stockées des informations; une unité 510 de communication qui reçoit, en provenance d'un dispositif de communication, un demande de début de positionnement qui demande à entamer un positionnement A-GNSS et qui comprend des informations de qualité de communication indiquant la qualité de communication entre le dispositif de communication et la station de base et des informations d'identification indiquant la station de base, et envoie au dispositif de communication, des informations d'assistance à utiliser pour le positionnement A-GNSS; et une unité 530 de commande qui, lorsque l'unité 510 de communication reçoit, en provenance du dispositif de communication, des informations de résultat de positionnement comprenant le résultat du positionnement A-GNSS en utilisant les informations d'assistance, amène l'unité 520 de stockage à stocker les informations de qualité de communication et les informations d'identification qui sont comprises dans la demande de début de positionnement, et les informations de résultat de positionnement.
PCT/JP2017/033829 2016-09-29 2017-09-20 Serveur de positionnement, procédé de commande d'un serveur de positionnement, support d'enregistrement sur lequel est enregistré un programme de serveur de positionnement, système de positionnement, et dispositif de communication WO2018061907A1 (fr)

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JP2016190564 2016-09-29
JP2016-190564 2016-09-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112887934A (zh) * 2021-01-25 2021-06-01 爱驰汽车有限公司 基于共享定位辅助设备的定位方法、装置、服务器及介质

Citations (1)

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Publication number Priority date Publication date Assignee Title
JP2011071599A (ja) * 2009-09-24 2011-04-07 Univ Of Tokyo 位置探索方法、情報処理システム、移動体通信端末、および情報管理装置

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Publication number Priority date Publication date Assignee Title
JP2011071599A (ja) * 2009-09-24 2011-04-07 Univ Of Tokyo 位置探索方法、情報処理システム、移動体通信端末、および情報管理装置

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Title
SUZUKI, TAKASHI ET AL.: "Highly Advanced Technology of Positioning Scheme for Smartphone - A-GNSS (GPS+GLONASS) Positioning Correspondence and UE-A Positioning Correspondence", NTT DOCOMO TECHNICAL JOURNAL, vol. 21, no. 4, January 2014 (2014-01-01), pages 12 - 16, Retrieved from the Internet <URL:https://www.nttdocomo.co.jp/binary/pdf/corporate/technology/rd/technical_journal/bn/vol21_4/vol21_4-012jp.pdf> *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112887934A (zh) * 2021-01-25 2021-06-01 爱驰汽车有限公司 基于共享定位辅助设备的定位方法、装置、服务器及介质
CN112887934B (zh) * 2021-01-25 2023-02-17 爱驰汽车有限公司 基于共享定位辅助设备的定位方法、装置、服务器及介质

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