WO2012144615A1 - Système de prise en charge de positionnement, équipement de commutation et procédé de prise en charge de positionnement - Google Patents

Système de prise en charge de positionnement, équipement de commutation et procédé de prise en charge de positionnement Download PDF

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Publication number
WO2012144615A1
WO2012144615A1 PCT/JP2012/060753 JP2012060753W WO2012144615A1 WO 2012144615 A1 WO2012144615 A1 WO 2012144615A1 JP 2012060753 W JP2012060753 W JP 2012060753W WO 2012144615 A1 WO2012144615 A1 WO 2012144615A1
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WIPO (PCT)
Prior art keywords
positioning
communication terminal
communication
information
exchange
Prior art date
Application number
PCT/JP2012/060753
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English (en)
Japanese (ja)
Inventor
晋也 青山
Original Assignee
株式会社エヌ・ティ・ティ・ドコモ
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.)
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Application filed by 株式会社エヌ・ティ・ティ・ドコモ filed Critical 株式会社エヌ・ティ・ティ・ドコモ
Priority to CN201280019684.9A priority Critical patent/CN103493555A/zh
Publication of WO2012144615A1 publication Critical patent/WO2012144615A1/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
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • 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
    • G01S5/0242—Determining the position of transmitters to be subsequently used in positioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel

Definitions

  • the present invention relates to a positioning support system that supports positioning by a communication terminal, an exchange included in the positioning support system, and a positioning support method using the positioning support system.
  • 3G system a communication system
  • 3GPP Third Generation Partnership Project
  • positioning using a communication terminal such as a mobile phone is generally performed.
  • 3G system a communication system
  • 3GPP Third Generation Partnership Project
  • cell-based positioning using information specifying the position of a cell with which the communication terminal communicates as position information of the communication terminal is known. Yes.
  • information of a subscriber information database in which information specifying an exchange having jurisdiction over a communication area in which the communication terminal is located is stored.
  • the communication area where the communication terminal communicates with the exchange is inquired based on the information to determine the position of the communication area where the communication terminal communicates, and this is transmitted to the communication terminal as a positioning result.
  • Patent Document 1 See, for example, Patent Document 1).
  • LTE Long Term ⁇ ⁇ ⁇ Evolution
  • the communication terminal using LTE has a specification that can use the 3G method
  • the communication terminal can use two types of communication methods in combination.
  • the information related to the exchange having jurisdiction over the communication area in which the communication terminal is located in the 3G system and the communication area in which the communication terminal is located in the LTE system Information related to the exchange is stored in the subscriber information database.
  • the positioning support apparatus that has received the positioning request related to the communication terminal inquires of both of the exchanges in the two types of communication schemes whether the communication terminal is performing communication connection in order to transmit the positioning result. It is necessary to specify the communication area in which the communication terminal is communicating. As described above, when positioning support is performed for a communication terminal that can communicate with a plurality of communication methods, the communication amount of the positioning support apparatus increases. In addition, there is a possibility that the transmission of the positioning result is delayed due to an increase in the communication amount for the transmission of the positioning result by the positioning support apparatus.
  • the present invention has been made in view of the above, and provides a positioning support system, an exchange, and a positioning support method capable of more efficiently performing positioning support related to a communication terminal that can use a plurality of communication networks. With the goal.
  • a positioning support system includes a communication terminal that can be connected to a first communication network and a second communication network that are different from each other via the first communication network.
  • a first exchange for communicating with the communication terminal, a second exchange for the communication terminal to communicate via the second communication network, and a positioning support device for providing positioning information related to the communication terminal.
  • a positioning support system wherein the positioning support device associates and stores information identifying the communication terminal and information identifying the first exchange in which the communication terminal is located;
  • the positioning request receiving means for receiving the positioning request of the communication terminal, and the information stored in the terminal information storage means in association with the information specifying the communication terminal related to the positioning request received by the positioning request receiving means.
  • connection destination information associated with information for identifying the communication terminal when the connection confirmation means confirms that the communication terminal is not performing communication using its own device.
  • the first transfer means for transferring the positioning instruction to the second exchange specified by the information stored in the storage means, and the connection confirmation means confirmed that there is a communication connection with the communication terminal.
  • a first positioning result transmitting means for transmitting, as a positioning result, position information of a base station to which the communication terminal is connected, to the positioning support device, and the second switch is the first switch Position information for specifying the position of a communication area to which the communication terminal is connected based on the positioning instruction received by the second receiving means and the positioning instruction received by the second receiving means.
  • a second positioning result transmitting means for transmitting to the positioning support apparatus as a positioning result.
  • the first exchange included in the positioning support system is configured such that a communication terminal connectable to a first communication network and a second communication network that are different from each other includes the first communication network.
  • a first exchange for communicating via a second exchange; a second exchange for allowing the communication terminal to communicate via the second communication network; and a positioning support device for providing positioning information relating to the communication terminal.
  • a destination exchange storage means for storing information for identifying the communication terminal and information for identifying the second exchange in which the communication terminal is located, which is a first exchange included in the positioning support system configured;
  • a first receiving unit that receives the positioning instruction from the positioning support device; and a communication terminal that is identified by information included in the positioning instruction based on the positioning instruction received by the first receiving unit.
  • the first connection confirmation means for confirming whether or not communication is being performed, and when the first connection confirmation means confirms that the communication terminal is not performing communication using its own device, the communication
  • a first transfer means for transferring the positioning instruction to the second exchange specified by the information stored in the connection destination information storage means in association with information for specifying a terminal; and
  • First positioning result transmission means for transmitting, as a positioning result, position information of a base station connected to the communication terminal to the positioning support apparatus when it is confirmed that there is a communication connection with the communication terminal. It is characterized by that.
  • the positioning support system in the first exchange, information for specifying a communication terminal and information for specifying a second exchange that is an exchange in which the communication terminal is located in the second communication network are provided. It is held in the connection destination information storage means. Then, based on the positioning instruction from the positioning support device, it is confirmed whether or not the communication terminal specified by the information included in the positioning instruction is communicating using the own apparatus, and the communication terminal uses the own apparatus. When it is confirmed that communication is not being performed, a configuration is provided in which a positioning instruction is transferred to the second exchange. Therefore, even if the communication terminal does not perform communication using the first switch, the positioning instruction is transferred from the first switch to the second switch. It is no longer necessary to make inquiries to each exchange on the network, the amount of communication by the positioning support device is reduced, and positioning support for communication terminals that can use multiple communication networks can be performed more efficiently. .
  • the second exchange is configured such that a communication terminal specified by information included in the positioning instruction performs communication using its own apparatus based on the positioning instruction received by the second receiving unit.
  • a second connection confirmation means, and the second positioning result transmission means connects to the communication terminal when it is confirmed that the communication terminal is not performing communication using its own device.
  • the base station position information can be transmitted to the positioning support apparatus as a positioning result.
  • the communication terminal since it is confirmed whether the communication terminal is performing communication using its own equipment, the communication terminal temporarily uses either the first exchange or the second exchange. If it is not, for example, it is possible to prevent an erroneous positioning result related to the second switch from being returned to the positioning support apparatus, and it is possible to improve the accuracy related to positioning of the communication terminal.
  • the second exchange obtains information indicating the first exchange in which the communication terminal is located in the first communication network from the communication terminal, and the communication terminal automatically acquires information in the second communication network.
  • Connection destination notifying means for notifying the first exchange that it is in the area, and the connection destination information storage means of the first exchange is information notified from the second exchange.
  • the information specifying the exchange in which the communication terminal is located can be updated.
  • the positioning support apparatus when the information related to the second exchange stored in the connection destination information storage unit of the first exchange is updated, the positioning support apparatus does not need to communicate with the exchange. It is possible to suppress an increase in the communication amount of the positioning support apparatus for performing efficient positioning support.
  • the present invention can be described as an invention of a positioning support method as follows, as well as described as an invention of a positioning support system as described below. This is substantially the same invention only in different categories, and has the same operations and effects.
  • the positioning support method allows communication terminals that can be connected to different first communication networks and second communication networks to communicate via the first communication network.
  • the information identifying the communication terminal is associated with the information identifying the second exchange in which the communication terminal is located so that the communication terminal communicates via the second communication network.
  • a first exchange having connection destination storing means for storing; a second exchange for the communication terminal to communicate via the second communication network; information identifying the communication terminal; and the communication terminal A positioning support method by a positioning support system, comprising terminal information storage means for storing information identifying the first exchange located in association with each other, and including a positioning support device that provides positioning information related to the communication terminal
  • a positioning instruction including information specifying the communication terminal is transmitted to the first exchange specified by the information stored in the terminal information storage means in association with the information specifying the communication terminal.
  • a positioning instruction step a positioning result receiving step of receiving a positioning result according to the positioning instruction transmitted in the positioning instruction step by a positioning result receiving means of the positioning support device, and a positioning instruction means of the positioning support device And transmitting the positioning result received in the positioning result receiving step to a transmission destination corresponding to the positioning request.
  • a positioning result transmitting step a first receiving step of receiving the positioning instruction from the positioning support device by a first receiving means of the first exchange; and a first connection confirmation means of the first exchange.
  • the communication confirmation step and the first transfer means of the first exchange identify the communication terminal when it is confirmed in the connection confirmation step that the communication terminal is not performing communication using its own device.
  • the positioning support uses the position information of the base station to which the communication terminal is connected as a positioning result.
  • a first positioning result transmitting step for transmitting to the device a second receiving step for receiving the positioning instruction transferred from the first switch by the second receiving means of the second switch; Based on the positioning instruction received in the second reception step by the second positioning result transmission means of the second exchange, position information specifying the position of the communication area to which the communication terminal is connected is used as the positioning result. And a second positioning result transmitting step for transmitting to the positioning support apparatus.
  • a positioning support system capable of more efficiently performing positioning support related to a communication terminal that can use a plurality of communication networks.
  • FIG. 1 is a block diagram illustrating a configuration of a communication system 1 including a positioning support system according to the present embodiment.
  • the communication system 1 includes a positioning support system 2, an ISP (Internet Service Provider) 3, a GW (Gateway) 4, and a communication terminal 5.
  • the positioning support system 2 includes an HLR (Home Location Centre) 11, a GMLC (Gateway Mobile Location Centre) 12, a # 1xGSN (serving / gateway General packet radio service Support. Node) 21, an RNC (Radio Network Controller) 22, and a BTS. (Base Transceiver Station) 23, # 1 Mobility Management Entity (MME) 31, eNB (e-Node B) 32, and BTS 33.
  • HLR Home Location Centre
  • GMLC Gateway Mobile Location Centre
  • # 1xGSN serving / gateway General packet radio service Support. Node
  • RNC Radio Network Controller
  • BTS Base Transceiver Station
  • # 1 Mobility Management Entity (MME) 31 eNB (e-Node B)
  • # 1xGSN21, RNC22 and BTS23 are devices for constructing a 3G communication network which is the second communication network
  • BTS 33 are devices for configuring the LTE communication network, which is the first communication network.
  • the HLR 11 and the GMLC 12 are apparatuses that perform control related to these two communication networks.
  • # 1xGSN 21 is a device having a function as an exchange
  • RNC 22 has a function as a radio base station control device.
  • the BTS 23 functions as a base station.
  • a plurality of RNCs are connected to one xGSN, and a plurality of BTSs are further connected to one RNC.
  • the communication terminal 5 is located in a cell (cell C2 in FIG. 1) formed by radio waves from one of these BTSs (BTS 23 in FIG. 1), and performs wireless communication with this BTS 23. Communication with a communication terminal via a 3G communication network can be performed.
  • # 1 MME 31 is a device having a function as an exchange, and eNB 32 has a function as a radio base station control device.
  • the BTS 23 functions as a base station.
  • a plurality of eNBs are connected to one MME, and a plurality of BTSs are further connected to one eNB.
  • the communication terminal 5 is located in a cell (cell C3 in FIG. 1) formed by radio waves from one of these BTSs (BTS 33 in FIG. 1), and performs wireless communication with the BTS 33, for example. Communication with the communication terminal via the LTE communication network can be performed.
  • the HLR 11 is a device having a function of managing information related to the location registration of the communication terminal 5
  • the GMLC 12 is a device having a function as a gateway for controlling the position information.
  • the GMLC 12 communicates with the # 1xGSN 21 and the # 1 MME 31 to collect information related to the position of the communication terminal located in each communication network and transmit the information to the HLR 11.
  • the HLR 11 stores information transmitted from the GMLC 12.
  • the HLR 11 and the GMLC 12 have a function as a positioning support device in the positioning support system 2.
  • the ISP 3 is a device having a function of providing a connection service to the Internet by the communication terminal 5.
  • the GW 4 is a device having a function as a gateway when the communication terminal 5 connects to the Internet.
  • Content provided to the communication terminal 5 via the Internet includes content using the location information of the communication terminal 5.
  • the positioning requesting the provision of the position information of the communication terminal 5 from the content creator (content provider) to the GMLC 12 that controls the position information in the communication network.
  • a request is sent.
  • the positioning support system 2 including the GMLC 12 the position information of the communication terminal 5 is acquired, and this is returned to the ISP 3 as a positioning result and transmitted from the ISP 3 to the content provider.
  • the communication terminal 5 is a terminal having a function of connecting to both the 3G communication network and the LTE communication network.
  • the communication terminal 5 When the communication terminal 5 is located in the 3G communication network and performs location registration, information related to location registration is registered in the HLR 11 via the BTS 23, RNC 22, # 1xGSN 21, and GMLC 12.
  • the communication terminal 5 When the communication terminal 5 performs location registration in the LTE communication network, information related to location registration is registered in the HLR 11 via the BTS 33, eNB 32, # 1 MME 31, and GMLC 12.
  • the communication terminal 5 cannot simultaneously communicate via both communication networks. Therefore, the communication terminal 5 actually has only one communication network. In addition, even when the communication network that communicates between the 3G communication network and the LTE communication network is switched, if the cell that is located in each communication network is not changed, the position held in the HLR 11 Registration information is not updated. Specifically, as shown in FIG. 1, when the communication terminal 5 located in the cell C2 of the 3G communication network constructed by the BTS 23 moves and resides in the cell C3 of the LTE communication network constructed by the BTS 33 The information related to the cell C3 is registered in the HLR 12. However, since the cell C2 in which the communication terminal 5 is located in the 3G communication network is not changed, the information related to the cell C2 is not updated in the HLR 12. In addition, the moved communication terminal 5 (5 ′) shown in FIG. 1 can perform both connection communication via the 3G communication network and connection communication via the LTE communication network. The HLR 11 and the GMLC 12 are not able to grasp whether or not connection communication is being performed.
  • cell-based positioning will be described as a positioning method.
  • the communication terminal 5 itself does not perform positioning unlike the GPS positioning in which the communication terminal 5 receives radio waves from the satellite and performs positioning, but information indicating the position of the cell to which the communication terminal 5 is connected for communication. It is used as position information. Therefore, when the GMLC 12 transmits the location information of the communication terminal 5 to the ISP 3 based on the positioning request from the ISP 3, the GMLC 12 specifies the cell to which the communication terminal 5 is connected and communicates the location information related to this cell. It is transmitted as a positioning result of the terminal 5.
  • each device, ISP 3 and GW 4 included in the positioning support system 2 of the communication system 1 includes a CPU 101, a RAM (Random Access Memory) 102 and a ROM (Read Only), respectively. Memory) 103, a communication module 104 for performing communication, and a computer including hardware such as an auxiliary storage device 105 such as a hard disk. And the function of each apparatus is exhibited when these components operate.
  • the communication terminal 5 includes hardware such as a CPU (Central Processing Unit) 501, a RAM 502, a ROM 503, an operation unit 504, a wireless communication unit 505, a display 506, and an antenna 507. And the function of the communication terminal 5 is exhibited by these components operating.
  • the devices included in the positioning support system 2, the GMLC 12 and the ISP 3, and the ISP 3 and the GW 4 are respectively connected via a wired network.
  • information is exchanged between the communication terminal 5 and the BTSs 23 and 33 by wireless communication.
  • the HLR 11 and the GMLC 12 that function as positioning support devices, and the # 1xGSN 21 and the # 1 MME 31 that function as exchanges will be described in detail.
  • HLR11 and GMLC12 which comprise a positioning assistance apparatus are demonstrated using FIG.4 and FIG.5.
  • the HLR 11 functions as a terminal information storage unit that stores information that identifies a communication terminal and information that identifies an exchange in which the communication terminal is located in association with each other.
  • the information stored in the HLR 11 includes information for identifying the communication terminal 5 (in FIG. 5, the telephone number of the communication terminal) and the position of the communication terminal 5 in the 3G communication network, as shown in FIG.
  • Information that identifies the exchange that has registered (# 1xGSN, # 2xGSN, etc.) and information that identifies the exchange that has registered the location in the LTE communication network (# 1MME, # 3MME, etc.) are associated with each other. is there.
  • the information stored in the HLR 11 is updated when the communication terminal 5 is located in each communication network and performs location registration.
  • the GMLC 12 includes a communication unit 121 and a positioning control unit 122.
  • the communication unit 121 has a function of communicating with an external device of the positioning support system 2, and more specifically, has a function as a positioning request receiving unit that receives a positioning request of a communication terminal, and uses a positioning result as a positioning request. It has a function as a positioning result transmission means for transmitting to the corresponding transmission destination.
  • the communication unit 121 of the GMLC 12 communicates with the ISP 3, receives a positioning request related to the communication terminal 5 from the ISP 3, sends it to the positioning control unit 122, and is sent from the positioning control unit 122.
  • the positioning result is transmitted to ISP3.
  • the positioning control unit 122 acquires information related to the communication terminal 5 from the HLR 11 based on the positioning request, and transmits a positioning instruction to the exchange (# 1 MME 31 in this embodiment) in which the communication terminal 5 is located. It has a function as a positioning instruction means having a function, and also has a function as a positioning result receiving means for receiving a positioning result according to this positioning instruction. That is, the positioning control unit 122 performs communication control with each device included in the positioning support system 2. The positioning result received by the positioning control unit 122 is transmitted to the communication unit 121, and is transmitted from the communication unit 121 to the transmission destination of the positioning request (ISP3 in the present embodiment).
  • the GMLC 12 transmits a positioning instruction related to the communication terminal 5 to either one of the # 1xGSN 21 and the # 1 MME 31.
  • the switch to which the GMLC 12 transmits is determined in advance by the administrator of the GMLC 12 or the like. Alternatively, the mode may be changed as appropriate in accordance with communication congestion. Details of the processing by the HLR 11 and the GMLC 12 will be described later.
  • # 1xGSN21 and # 1MME31 will be described with reference to FIGS.
  • # 1xGSN 21 and # 1 MME 31 have similar functions will be described.
  • # 1 ⁇ GSN 21 (second exchange) and # 1 MME 31 (first exchange) include a communication connection processing unit 201, a control unit 202, a transfer unit 203, and a connection destination information storage unit 204. Composed.
  • the communication connection processing unit 201 has a function of performing location registration (location) processing and communication processing of the communication terminal 5 with respect to the communication network (3G communication network or LTE communication network) based on a request from the communication terminal 5.
  • location location
  • LTE communication network 3G communication network or LTE communication network
  • the communication connection processing unit 201 has a function as a receiving unit (first receiving unit) that receives a positioning instruction from the GMLC 12, and the communication connection processing unit 201 corresponds to the positioning instruction.
  • a function of transmitting the positioning result to the GMLC 12 (first positioning result transmitting means)
  • receiving means for receiving the positioning instruction transferred from the # 1 MME 31
  • second positioning result transmitting means a function of transmitting a positioning result corresponding to the positioning instruction to the GMLC 12 via the # 1 MME 31 (second positioning result transmitting means).
  • the position information of the base station used as the positioning result is acquired by inquiring of the lower radio base station control device (RNC 22 or eNB 32).
  • the positioning instruction received by the communication connection processing unit 201 is sent to the control unit 202.
  • the control unit 202 Based on the positioning instruction received by the communication connection processing unit 201, the control unit 202 performs communication using the communication terminal 5 specified by the information included in the positioning instruction using its own device (call connection is performed). (First connection confirmation means / second connection confirmation means). In addition, the control unit 202 acquires information indicating the exchange in which the communication terminal 5 is located in another communication network from the communication terminal 5, and indicates that the communication terminal is located in the own network in the other network. A function of notifying the exchange (connection destination notifying means).
  • connection destination information storage unit 203 information on the exchange where the communication terminal 5 is located in another network is acquired from the connection destination information storage unit 203, and this exchange Is sent to the transfer unit 204 to instruct the transfer of the positioning instruction to the exchange (# 1xGSN21 in the case of # 1MME31) in which the communication terminal 5 is located in the other network.
  • connection destination information storage unit 203 registers a connection destination of the communication terminal 5 in the own network (a radio base station control device used when performing communication in the own network) and sets a location registration destination of the communication terminal 5 in the other network. It has a function to store (connection destination report storage means).
  • 7A shows an example of information stored in the connection destination information storage unit 203 of # 1xGSN 21
  • FIG. 7B shows an example of information stored in the connection information storage unit 203 of # 1 MME 31. Show.
  • the communication terminal specified by the telephone number “09000000003” is connected to the exchange # 1MME31 of the LTE communication network, and the communication terminal specified by the telephone number “09000000004” is The case where it connects with exchange # 1xGSN21 of 3G communication network is demonstrated.
  • the RNC connected in the 3G communication network is specified. Information is stored.
  • LTE communication Information for specifying the switch located in the network is further stored in association with each other.
  • LTE switch information for specifying the switch located in the network is further stored in association with each other.
  • the communication terminal specified by “090000000003” is not currently performing communication using the 3G communication network, but in the LTE communication network, communication is performed using the LTE switch specified by # 1 MME.
  • the communication terminal specified by “090000000004” is currently performing communication in the 3G communication network using # 1xGSN21.
  • location registration is performed for the LTE switch specified by # 1 MME. You can see that
  • the # 1 MME 31 which is an exchange of the LTE communication network
  • information specifying the eNB performing communication is stored for the communication terminal performing communication using the # 1 MME 31.
  • information for specifying the exchange to be used in the 3G communication network is stored for the communication terminal that can be connected in the 3G communication network and performs location registration.
  • information specifying the exchange in which the communication terminal is registered in the other network and the communication terminal connected in the own network Is stored in association with information specifying the connection destination and information specifying the communication terminal.
  • the transfer unit 204 sends a positioning instruction transmitted from the GMLC 12 to the exchange in which the communication terminal 5 is located in another network (# 1 ⁇ GSN 21 in the case of # 1 MME 31). (First transfer means).
  • # 1xGSN 21 and # 1 MME 31 of this embodiment when it is confirmed that the communication terminal 5 is not performing communication using its own device, the exchange in which the communication terminal 5 performs location registration in another network is used. It has a feature of a configuration in which a positioning instruction from the GMLC 12 is transferred.
  • FIGS. 8 is a sequence diagram for explaining processing related to location registration by the communication terminal 5
  • FIG. 9 is a sequence diagram for explaining processing when the communication terminal 5 performs the location registration processing again.
  • 10 is a sequence diagram for explaining processing when positioning is performed on the communication terminal 5.
  • a location registration request is transmitted from the communication terminal 5 to the # 1xGSN 21 via the BTS 23 (not shown) and the RNC 22 (S102).
  • the communication connection processing unit 201 of # 1 ⁇ GSN 21 receives the location registration request, the information related to the connection destination of the communication terminal 5 held in the connection destination information storage unit 203 is updated (S103), and the location registration request
  • the data is transmitted from the communication connection processing unit 201 of the 1xGSN 21 to the HLR 11 via the GMLC 12.
  • the information stored in the HLR 11 is updated, and the location registration for the 3G communication network is performed (S104).
  • a location registration request is transmitted from the communication terminal 5 to the # 1 MME 31 via the BTS 33 (not shown) and the eNB 32 (S112).
  • the communication connection processing unit 201 of the # 1 MME 31 receives the location registration request, the information related to the connection destination of the communication terminal 5 held in the connection destination information storage unit 203 is updated (S113), and the location registration request is The data is transmitted from the communication connection processing unit 201 of the 1MME 31 to the HLR 11 via the GMLC 12 (S114). As a result, information stored in the HLR 11 is updated, and location registration for the LTE communication network is performed (S115).
  • the # 1 MME 31 acquires information on the exchange located in the 3G communication network (# 1xGSN21) from the communication terminal 5 and notifies this to the # 1xGSN21, thereby registering terminal information between the two. Is performed (S116).
  • connection request from the communication terminal 5 is sent to the # 1xGSN 21 via the BTS 23 (not shown) and the RNC 22 (S202).
  • communication is started by performing connection processing including authentication processing for performing communication between the # 1xGSN 21 and the communication terminal 5 (S203).
  • connection processing including authentication processing for performing communication between the # 1xGSN 21 and the communication terminal 5 (S203).
  • information related to the connection destination of the communication terminal 5 stored in the connection destination information storage unit 203 is updated.
  • the communication terminal 5 changes to communication using the LTE communication network (S211)
  • a request (change) to perform processing for changing the communication network from the communication terminal 5 to the # 1xGSN 21 via the RNC 22 Request) is transmitted (S212), and the process related to this change is performed in # 1xGSN 21 (S213).
  • the # 1xGSN 21 is also notified from the communication terminal 5 to the # 1xGSN 21 that the exchange used by the communication terminal 5 in the LTE communication network is the # 1MME31.
  • the information of the communication terminal 5 stored in the connection destination information storage unit 203 is updated. Specifically, with respect to the communication terminal 5, information indicating that communication is performed using the # 1xGSN 21 is updated to information indicating that the communication terminal 5 has changed the connection destination with respect to the # 1 MME 31.
  • a connection request for performing communication using the LTE communication network is transmitted from the communication terminal 5 to the # 1 MME 31 via the eNB 32 (S214).
  • the # 1xGSN 21 notifies the # 1MME 31 that the communication terminal 5 that has used the # 1xGSN 21 changes the communication to use the # 1 MME 31 (S215).
  • connection processing including authentication processing for performing communication is performed between # 1 MME 31 and the communication terminal 5 (S216), whereby communication is started.
  • the information related to the connection destination of the communication terminal 5 stored in the connection destination information storage unit 203 is updated. As described above, the connection process when the communication terminal 5 performs communication and the change process when the communication terminal 5 changes the communication network are completed.
  • a positioning request is transmitted from the communication terminal to the # 1xGSN 21 via the BTS 23 (not shown) and the RNC 22 (S301).
  • the positioning request from the communication terminal 5 here includes, for example, a request for providing Internet content using the location information of the communication terminal 5.
  • # 1xGSN21 the connection process for performing communication via 3G communication network is performed (S302).
  • a positioning request of the communication terminal 5 is transmitted to the ISP 3 via the GW 4 (not shown), the content provider (not shown), and the like (S303).
  • the ISP 3 transmits a positioning request related to the communication terminal 5 to the GMLC 12 based on the positioning request from the communication terminal 5 (S304).
  • the positioning control unit 122 refers to the information stored in the HLR 12 and acquires information related to # 1 MME 31 stored in association with the communication terminal 5. And a positioning instruction
  • This positioning instruction includes information (for example, a telephone number) that identifies the communication terminal 5.
  • the # 1 MME 31 confirms whether the communication terminal 5 is performing communication using its own device based on the information specifying the communication terminal 5 included in the positioning instruction (S306). ). Specifically, referring to the information stored in the connection destination information storage unit 203, communication is performed via the LTE communication network, that is, the communication terminal 5 communicates under the # 1 MME 31. It is confirmed whether or not the information related to the base station being held is held in the connection destination information storage unit 203. In the present embodiment, since the communication terminal 5 performs communication via the 3G communication network, the information relating to the connection destination of the communication terminal 5 is not held in the # 1 MME 31, and the 3G communication to which the communication terminal 5 is connected.
  • the positioning instruction is transferred from the transfer unit 204 of the # 1 MME 31 to the # 1xGSN 21 (S307).
  • connection destination information storage section 203 information related to the base station with which communication terminal 5 is communicating under the control of # 1sGSN 21, referring to the information, is performing communication via the 3G communication network It is confirmed whether it is done (S309).
  • the communication terminal 5 performs communication via the 3G communication network (S302)
  • information indicating that the communication terminal 5 is connected in the 3G communication network is stored in the connection destination information storage unit 203. Since it is held, it is determined that the communication terminal 5 is performing communication using its own device.
  • the # 1xGSN 21 transmits a location information provision request of the communication terminal 5 to the RNC 22 based on the information stored in the connection destination information storage unit 203 (S310).
  • the RNC 22 creates positioning information using the position information indicating the position of the cell with which the communication terminal 5 is communicating based on the position information provision request transmitted from the # 1xGSN 21 (S311).
  • the result (position information) is transmitted to # 1xGSN 21 (S312).
  • the # 1xGSN 21 transfers it to the # 1 MME 31 that is the source of the positioning instruction (S313).
  • the # 1MME 31 transmits the positioning result transferred from the # 1xGSN 21 to the GMLC 12 as a positioning instruction response to the positioning instruction (S305) from the GMLC 12 (S314).
  • the GMLC 12 returns a positioning instruction response from the # 1 MME 31 to the ISP 3 that transmitted the positioning request (S304). Thereby, in ISP3, the positioning result of the communication terminal 5 is acquired, and this is transmitted with respect to the communication terminal 5 via # 1xGSN21 (S315).
  • the transmission of the positioning result to the communication terminal 5 is not limited to the configuration in which the position information of the communication terminal 5 is simply returned, and the Internet content using the position information of the communication terminal 5 is transmitted to the communication terminal 5. You can also Thus, the processing related to the provision of the positioning information related to the communication terminal 5 is completed.
  • the information identifying the communication terminal 5 and the communication terminal 5 are present in the 3G communication network in the # 1 MME 31.
  • Information for identifying the # 1xGSN 21 that is the exchange to be served is held in the connection destination information storage unit 203.
  • indication from GMLC12 it is confirmed whether the communication terminal 5 specified by the information contained in a positioning instruction
  • the communication terminal 5 since it is confirmed whether or not the communication terminal 5 performs communication using its own device also in the # 1xGSN 21, if the communication terminal 5 uses neither the # 1xGSN 21 nor the # 1 MME 31 In addition, for example, erroneous information related to # 1xGSN 21 can be prevented from being returned to the GMLC 12, and the accuracy related to positioning of the communication terminal 5 can be improved.
  • the positioning system 1 containing the positioning assistance system 10 which concerns on this invention can perform a various change.
  • each device for example, HLR 11 and GMLC 12
  • the functions related to each device may be all included in one device, or each function is distributed to different devices. It may be.
  • the said embodiment demonstrated the structure where the communication network which can connect the communication terminal 5 is two types (3G communication network and LTE communication network), even if this communication network is three or more, Good.
  • the same processing as in the above embodiment can be performed by increasing the types of information stored in the connection destination information storage unit 203 of the exchange.
  • the # 1 MME 31 receives the positioning instruction from the GMLC 12 (S305), and when it is determined that the communication terminal 5 is not performing communication using the own device (S306), The positioning instruction is forwarded to (S307), and after receiving the location information of the communication terminal 5 returned from the # 1xGSN 21 (S312), it is forwarded to the # 1 MME 31 which is the positioning instruction forwarding source (S313). It is transmitted from # 1 MME 31 to GMLC 12. That is, GMLC12 demonstrates the structure which transmits a positioning instruction
  • # 1xGSN 21 receives a positioning instruction from GMLC 12 (S307), receives position information related to communication terminal 5 based on this from RNC 22 (S311), and then # 1xGSN 21 performs positioning to GMLC 12 It can also be set as the aspect which transmits a result.

Abstract

L'objectif de l'invention est de réaliser plus efficacement la prise en charge de positionnement pour un terminal de communication capable d'utiliser une pluralité de réseaux de communication. Une unité de stockage d'informations de destination de connexion pour un #1MME, qui est l'équipement de commutation dans un réseau de communication LTE compris dans un système de prise en charge de positionnement, détient des informations identifiant un terminal de communication et des informations identifiant un #1xGSN, qui est l'équipement de commutation que ce terminal de communication visite dans un réseau de communication 3G. En fonction d'une instruction de positionnement provenant d'un GMLC, il est confirmé si le terminal de communication identifié par les informations contenues dans l'instruction de positionnement réalise ou non une communication à l'aide du #1MME, et lorsqu'il est confirmé que la communication n'est pas réalisée avec le #1MME, l'instruction de positionnement est transférée au #1xGSN, qui est l'équipement de commutation dans le réseau de communication 3G.
PCT/JP2012/060753 2011-04-22 2012-04-20 Système de prise en charge de positionnement, équipement de commutation et procédé de prise en charge de positionnement WO2012144615A1 (fr)

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JP2011096388A JP5405522B2 (ja) 2011-04-22 2011-04-22 測位支援システム、交換機及び測位支援方法
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