WO2014115378A1 - Système de communication, station de base femtocellule, dispositif passerelle, et procédé de commande - Google Patents

Système de communication, station de base femtocellule, dispositif passerelle, et procédé de commande Download PDF

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Publication number
WO2014115378A1
WO2014115378A1 PCT/JP2013/077430 JP2013077430W WO2014115378A1 WO 2014115378 A1 WO2014115378 A1 WO 2014115378A1 JP 2013077430 W JP2013077430 W JP 2013077430W WO 2014115378 A1 WO2014115378 A1 WO 2014115378A1
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WO
WIPO (PCT)
Prior art keywords
message
protocol
base station
femtocell base
wireless communication
Prior art date
Application number
PCT/JP2013/077430
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English (en)
Japanese (ja)
Inventor
友輔 宮川
貴之 城戸
康弘 渡辺
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日本電気株式会社
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Publication of WO2014115378A1 publication Critical patent/WO2014115378A1/fr

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    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
    • 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
    • H04W76/00—Connection management
    • H04W76/50—Connection management for emergency connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2242/00—Special services or facilities
    • H04M2242/04—Special services or facilities for emergency applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2242/00—Special services or facilities
    • H04M2242/30—Determination of the location of a subscriber
    • 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
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B

Definitions

  • the present invention relates to a communication system, a femtocell base station, a gateway device, and a control method.
  • a wireless communication device receives a GPS signal from a GPS (Global Positioning System) satellite and specifies a position based on the received GPS signal.
  • GPS Global Positioning System
  • the accuracy of cell positioning is about several hundred meters in radius, and the accuracy of GPS positioning is about several meters in radius. For this reason, it is required to mount a GPS function in a wireless communication apparatus and notify emergency information of more accurate position information.
  • an AGPS Assisted GPS
  • the AGPS method is a method in which the wireless communication device acquires assist data necessary for GPS positioning, such as GPS satellite orbit information and current time information, from a communication network, and performs positioning based on GPS signals using the assist data. is there.
  • an AGPS server that manages assist data responds to an emergency call by a wireless communication device, and sends an SMS (Short Message Service) message indicating that GPS positioning is requested, to the wireless communication device that has sent the emergency call. Send to.
  • SMS Short Message Service
  • the wireless communication device Upon receiving the SMS message, the wireless communication device automatically establishes PS (Packet Switching) connection with the communication network, acquires assist data from the AGPS server, and performs GPS positioning using the acquired assist data.
  • PS Packet Switching
  • the existing 3G-Macro network equipped with a base station for macrocells that constructs a communication area (macrocell) with a radius of several hundred meters to several kilometers supports GPS positioning by SMS-PUSH.
  • a technique for performing GPS positioning when an emergency call is sent to a wireless communication device that has not been used has been studied.
  • the AGPS server sends a positioning request of the wireless communication device to an RNC (Radio) that manages a macro cell base station. Send to Network Controller.
  • the RNC can control the wireless communication device according to a protocol called RRC (Radio Resource Control).
  • RRC Radio Resource Control
  • the RNC obtains assist data through communication with the AGPS server and sends an emergency call. The positioning based on the GPS signal using the assist data acquired by the wireless communication apparatus is performed.
  • a technique for notifying location information when a wireless communication device sends an emergency call has not been sufficiently studied.
  • a technique studied in the 3G-Macro network described above it is conceivable to apply the technique studied in the 3G-Macro network described above to the 3G-Femto network. That is, a femtocell base station that can control a radio communication device according to RRC acquires assist data by communicating with an AGPS server, and performs GPS positioning using the assist data acquired by the radio communication device that has made an emergency call. It can be considered.
  • the AGPS server has a function of processing the protocol used in the 3G-Femto network in order to communicate with the femtocell base station. It is necessary to change the existing system configuration such as adding to the AGPS server.
  • An object of the present invention is a communication system capable of causing a radio communication apparatus that has made an emergency call to perform GPS positioning while suppressing changes in an existing system configuration in a communication system having a 3G-Femto network.
  • a base station, a gateway device, and a control method are provided.
  • the communication system of the present invention provides: A wireless communication device that performs positioning based on a GPS signal, a server that manages assist data used for positioning based on the GPS signal, and a femtocell that is provided in an IMS network and communicates with the wireless communication device in a communication area A base station, In the IMS network, a message of a first protocol that can be processed by the femtocell base station and a message of a second protocol that can be processed by the server can be converted into each other, and the femtocell base station When a message is received from one of the station and the server, conversion means for converting the received message into a message of a protocol that can be processed by the other is provided, When the positioning request of the wireless communication device that has transmitted the emergency call is input in response to the transmission of an emergency call by the wireless communication device, the femtocell base station communicates with the server via the conversion unit. Then, the assist data is acquired, and the wireless communication device that has transmitted
  • the femtocell base station of the present invention comprises: A femtocell base station provided in an IMS network capable of communicating with a wireless communication device that performs positioning based on a GPS signal, A message of the first protocol that can be processed by the femtocell base station and a message of the second protocol that can be processed by the server that manages assist data used for positioning based on the GPS signal can be mutually converted.
  • a gateway device provided with the IMS network that receives a message from one of the femtocell base station and the server and converts the received message into a message of a protocol that can be processed by the other;
  • the assist data is acquired by communication with the server via the gateway device,
  • a control unit that causes the wireless communication device that has transmitted the emergency call to perform positioning based on the GPS signal using the acquired assist data.
  • the gateway device of the present invention provides: A gateway device provided in the IMS network for transferring messages, A first communication unit that communicates with a femtocell base station provided in the IMS network, capable of communicating with a wireless communication device that performs positioning based on a GPS signal; A second communication unit that communicates with a server that manages assist data used for positioning based on the GPS signal; A message of a first protocol that can be processed by the base station for femtocell and a message of a second protocol that can be processed by the server can be mutually converted, and the first communication unit and the second protocol When one of the communication units receives a message, the conversion unit converts the received message into a message of a protocol that can be processed by the communication destination of the other communication unit and transmits the message to the other communication unit.
  • a method for controlling a femtocell base station of the present invention includes: A method for controlling a femtocell base station provided in an IMS network capable of communicating with a wireless communication device that performs positioning based on a GPS signal, When a positioning request of the wireless communication device that has transmitted the emergency call is input in response to the emergency call transmitted by the wireless communication device, the first protocol message that can be processed by the femtocell base station, and The server that manages the assist data used for positioning based on the GPS signal can mutually convert the message of the second protocol that can be processed, and when a message is received from one of the base station for the femtocell and the server, The received message is converted into a message of a protocol that can be processed by the other and transferred, and the assist data is acquired by communication with the server via the gateway device provided with the IMS network, The wireless communication device that has made the emergency call is caused to perform positioning based on the GPS signal using the acquired assist data.
  • the gateway device control method of the present invention provides: It is possible to communicate with a femtocell base station provided in the IMS network that can communicate with a wireless communication device that performs positioning based on GPS signals, and a server that manages assist data used for positioning based on the GPS signals. , A gateway device control method provided in the IMS network, When a message is received from one of the femtocell base station and the server, the received message is converted into a message of a protocol that can be processed by the other and transferred.
  • the present invention in a communication system having a 3G-Femto network, it is possible to cause a radio communication device that has made an emergency call to perform GPS positioning while suppressing changes in the existing system configuration.
  • FIG. 1 It is a figure which shows the principal part structure of the communication system of one Embodiment of this invention. It is a block diagram which shows the principal part structure of FAP shown in FIG. It is a block diagram which shows the principal part structure of PCAPGW shown in FIG. It is a block diagram which shows the principal part structure of AGPS shown in FIG. It is a sequence diagram which shows operation
  • FIG. 1 is a diagram showing a main configuration of a communication system 100 according to an embodiment of the present invention.
  • the communication system 100 includes a UE (User Equipment) 110, a GMLC (Gateway Mobile Location Center) 120, an AGPS 130, a 3G-Macro network 140, and a 3G-Femto network 150.
  • UE User Equipment
  • GMLC Gateway Mobile Location Center
  • AGPS 130 AGPS
  • 3G-Macro network 140 3G-Femto network 150.
  • the UE 110 is a wireless communication apparatus that can be connected to 3G-Macro network 140 and 3G-Femto network 150. Further, the UE 110 includes a GPS function that receives a GPS signal from a GPS satellite (not shown in FIG. 1) and performs positioning (GPS positioning) based on the received GPS signal.
  • GPS positioning GPS positioning
  • the GMLC 120 is a server that notifies the emergency organization 200 of location information of the UE 110 that has made an emergency call.
  • the AGPS 130 is a server that manages assist data for the UE 110 to perform GPS positioning. In addition, when a positioning request of a UE 110 that has issued an emergency call is input from the GMLC 120, the AGPS 130 causes the UE 110 to perform GPS positioning using assist data.
  • the 3G-Macro network 140 is an existing 3G network.
  • the 3G-Macro network 140 includes an NB (Node-B) 101, an RNC 142, an MSC (Mobile Switching Center) 143, an HLR (Home Location Register) 144, and an SGW (Serving Gateway) 145.
  • NB Node-B
  • RNC Radio Network Controller
  • MSC Mobile Switching Center
  • HLR Home Location Register
  • SGW Serving Gateway
  • the NB 141 is a macro cell base station that builds a communication area (macro cell) with a radius of several hundred meters to several kilometers, and communicates with the UE 110 in the communication area.
  • the RNC 142 controls a plurality of NBs 141 to perform outgoing / incoming call control, call termination control, handover control, and the like. Also, the RNC 142 acquires assist data through communication with the AGPS 130 when the UE 110 that has made an emergency call does not support GPS positioning triggered by SMS-PUSH (GPS positioning triggered by SMS-PUSH is not possible). Then, the UE 110 that has made an emergency call using the acquired assist data is caused to perform GPS positioning using the assist data. In this case, communication is performed between the RNC 142 and the AGPS 130 in accordance with a protocol called PCAP (Positioning Calculation Application Part).
  • PCAP Portion Control Application Part
  • MSC 143 is an exchange that performs call connection control, service control, and the like.
  • the HLR 144 manages subscriber information such as a mobile phone number and terminal identification information of the UE 110.
  • the SGW 145 outputs a message input from the AGPS 130 to the 3G-Macro network 140 or the 3G-Femto network 150 according to the communication network to which the UE 110 is connected.
  • the NB 141, the RNC 142, the MSC 143, the HLR 144, and the SGW 145 are devices that perform processing compliant with 3GPP, descriptions of specific configurations and operations of these devices are omitted.
  • the technology used for the 3G-Macro network 140 is disclosed in, for example, 3GPP TS 23.060.
  • the 3G-Femto network 150 is a communication network in which a femtocell base station is introduced into the IMS network.
  • the 3G-Femto network 150 includes a FAP (Femto Access Point) 151, a PDG (Packet Data Gateway) 152, an AAA (Authentication Authorization Accounting) 153, and a P-CSCF (Proxy-CallSensorC15F).
  • CSCF Server-CSCF
  • HSS Home Subscriber Server
  • IPSMGW IP Short Message Gateway
  • MGCF / MGW Media Gateway Control / PG8 Has a oning Calculation Application Part Gateway
  • FIG. 1 only one node is illustrated for simplification of the drawing, but a plurality of nodes are usually provided.
  • the FAP 151 is a femtocell base station that constructs a communication area (femtocell) having a radius of about several tens of meters that is narrower than the macrocell, and communicates with the UE 110 in the communication area.
  • femtocell a communication area having a radius of about several tens of meters that is narrower than the macrocell
  • PDG 152 relays a message between FAP 151 and the core side.
  • AAA 153 performs authentication of UE 110 and the like.
  • the P-CSCF 154 and the S-CSCF 155 perform processing such as session control, management, authentication, and routing using SIP (Session Initiation Protocol), which is a protocol used in the 3G-Femto network 150.
  • SIP Session Initiation Protocol
  • the P-CSCF 154 performs security control and the like with the UE 110.
  • the S-CSCF 155 performs control of services provided to the UE 110 and the like.
  • the HSS 156 acquires the subscriber information of the UE 110 from the HLR 144 and manages it.
  • IPSMGW 157 performs SMS message delivery control and the like.
  • MGCF / MGW158 connects the 3G-Femto network 150 and the existing telephone network.
  • the PCAPGW 159 is an example of a conversion means.
  • the PCAPGW 159 can communicate with the FAP 151 via the S-CSCF 155, the P-CSCF 154, and the PDG 152, and can communicate with the AGPS 130.
  • the PCAPGW 159 can mutually convert a SIP message (SIP message) that is the first protocol that can be processed by the FAP 151 and a PCAP message (PCAP message) that is the second protocol that can be processed by the AGPS 130.
  • SIP message SIP message
  • PCAP message PCAP message
  • the PCAPGW 159 converts the message into a message of a protocol that can be processed by the other and transfers the message.
  • FIG. 2 is a block diagram showing a main configuration of the FAP 151.
  • the FAP 151 includes a communication unit 201 and a control unit 202.
  • the communication unit 201 communicates with the PCAPGW 159 via the PDG 152, the P-CSCF 154, and the S-CSCF 155. As described above, since the PCAPGW 159 performs message transfer processing between the FAP 151 and the AGPS 130, the communication unit 201 can communicate with the AGPS 130 via the PCAPGW 159.
  • the control unit 202 causes the communication unit 201 to communicate with the AGPS 130 via the PCAPGW 159 to obtain assist data, and to the UE 110 that has sent the emergency call. GPS positioning is performed using the acquired assist data.
  • FIG. 3 is a block diagram showing the main configuration of the PCAPGW 159. As shown in FIG. 3
  • the PCAPPGW 159 includes a SIP interface unit 301, a PCAP interface unit 302, and a conversion unit 303.
  • the SIP interface unit 301 is an example of a first communication unit
  • the PCAP interface unit 302 is an example of a second communication unit.
  • the SIP interface unit 301 communicates with the FAP 151 via the S-CSCF 155, the P-CSCF 154, and the PDG 152.
  • the SIP interface unit 301 When receiving the SIP message from the FAP 151, the SIP interface unit 301 outputs the SIP message to the conversion unit 303. In addition, when the SIP message is output from the conversion unit 303, the SIP interface unit 301 transmits the SIP message to the FAP 151.
  • the PCAP interface unit 302 communicates with the AGPS 130. When receiving the PCAP message from the AGPS 130, the PCAP interface unit 302 outputs the PCAP message to the conversion unit 303. Further, when the PCAP message is output from the conversion unit 303, the PCAP interface unit 302 transmits the PCAP message to the AGPS 130.
  • the conversion unit 303 converts the SIP message into a PCAP message and outputs the PCAP message to the PCAP interface unit 302. Further, when a PCAP message is input from the PCAP interface unit 302, the conversion unit 303 converts the PCAP message into a SIP message and outputs the SIP message to the SIP interface unit 301.
  • FIG. 4 is a block diagram showing a main configuration of the AGPS 130.
  • the AGPS 130 includes a communication unit 401 and a control unit 402.
  • the communication unit 401 communicates with the SGW 145 and the PCAPGW 159. As described above, since the PCAPGW 159 performs a message transfer process between the FAP 151 and the AGPS 130, the communication unit 401 can communicate with the FAP 151 via the PCAPGW 159.
  • the control unit 402 When the positioning request of the UE 110 that has transmitted the emergency call is input from the GMLC 120, the control unit 402 causes the UE 110 to perform GPS positioning using assist data. Here, the control unit 402 determines whether or not the UE 110 that has sent the emergency call is compatible with GPS positioning triggered by SMS-PUSH. Based on the identifier indicating the type of the UE 110 included in the message transmitted from the UE 110 when establishing communication with the communication network, the control unit 402 determines whether or not the UE 110 supports the GPS positioning of the SMS-PUSH opportunity. judge.
  • the control unit 402 transmits an SMS message indicating that the GPS positioning of the UE 110 is requested to the UE 110 that has sent the emergency call. To do.
  • the control unit 402 sends a GPS positioning request (MAP-PSL (MAP-Provision Subscriber Location (High Priority)) to the communication unit 401. )) Is transmitted to SGW 145.
  • MAP-PSL MAP-Provision Subscriber Location (High Priority)
  • the GPS positioning request includes MSC Number for identifying MSC 143 or IPSMGW 157.
  • the GPS positioning request transmitted to SGW 145 is included in the GPS positioning request. Depending on the MSC Number, it is transferred to the MSC 143 or the IPSMGW 157.
  • the present invention mainly relates to how the UE 110 performs GPS positioning when an emergency call is made while the UE 110 is connected to the 3G-Femto network 150. Therefore, description of the operation when the UE 110 transmits an emergency call while connected to the 3G-Macro network 140 is omitted.
  • FIGS. 5A and 5B are sequence diagrams showing operations when the UE 110 sends an emergency call after the location registration of the UE 110 to the 3G-Femto network 150.
  • FIG. 5B is a sequence diagram following FIG. 5A.
  • the UE 110 when the UE 110 moves into the communication area established by the FAP 151, the UE 110 starts location registration. It is assumed that the location registration of the UE 110 to the 3G-Macro network 140 has been completed.
  • UE 110 transmits a location registration request (Location Update Request) to FAP 151 (step A1).
  • the FAP 151 When the FAP 151 receives the location registration request from the UE 110, the FAP 151 transmits an authentication request for the UE 110 to the PDG 152. This authentication request is transmitted to the HLR 144 via the PDG 152, AAA 153, and HSS 156 (step A2).
  • the HLR 144 When the HLR 144 receives the authentication request of the UE 110, the HLR 144 acquires authentication information corresponding to the UE 110.
  • Specific examples of the authentication information include RAND / AUTH / CK / IK / XRES.
  • RAND / AUTH / CK / IK / XRES is information conforming to 3GPP.
  • RAND is Random Challenge.
  • AUTH is Authentication Token.
  • CK Cipher Key.
  • IK Integrity Key.
  • XRES is an Expected RESponse.
  • the HLR 144 transmits an authentication request response including the acquired authentication information to the HSS 156.
  • This authentication request response is transmitted to the FAP 151 via the HSS 156, the AAA 153, and the PDG 152 (step A3).
  • the FAP 151 When the FAP 151 receives an authentication request response to the authentication request, the FAP 151 transmits an authentication result including RAND / AUTH among the authentication information included in the authentication request response to the UE 110 (step A4).
  • the UE 110 When the UE 110 receives the authentication result from the FAP 151, the UE 110 performs an authentication calculation by a method based on 3GPP based on RAND / AUTH included in the authentication result. And UE110 transmits the authentication result response containing a calculation result to FAP151 (step A5).
  • the result of the authentication calculation by the UE 110 is transmitted to the AAA 153 via the FAP 151 and the PDG 152.
  • the AAA 153 authenticates the UE 110 by a method based on 3GPP based on the result of the authentication calculation.
  • the AAA 153 successfully authenticates the UE 110, the AAA 153 transmits a message indicating that to the FAP 151 via the PDG 152. Note that, in FIG. 5A, description of messages transmitted and received regarding authentication of UE 110 by AAA 153 is omitted.
  • the FAP 151 When the FAP 151 receives a message indicating that the authentication of the UE 110 is successful from the AAA 153, the FAP 151 transmits a location registration request for the UE 110 to the PDG 152. This location registration request is transmitted to the HLR 144 via the PDG 152, the P-CSCF 154, the S-CSCF 155, and the HSS 156 (step A6).
  • the HLR 144 When the HLR 144 receives the location registration request of the UE 110, the HLR 144 transmits a location registration response including the subscriber information of the UE 110 to the HSS 156. This location registration response is transmitted to the FAP 151 via the HSS 156, the S-CSCF 155, the P-CSCF 154, and the PDG 152 (step A7). Note that the HSS 156 acquires the subscriber information of the UE 110 included in the location registration response, and registers it in a VLR (Visit Location Register) (not shown) in FIG.
  • VLR Visit Location Register
  • the FAP 151 When the FAP 151 receives the location registration response to the location registration request, the FAP 151 transmits the location registration response to the UE 110 (step A8).
  • the location registration of the UE 110 is completed by the processing from Step A1 to Step A8 described above.
  • the UE 110 transmits an emergency call transmission request (Emergency Setup) to the FAP 151 (step A9).
  • Emergency Setup an emergency call transmission request
  • the FAP 151 When the FAP 151 receives the emergency call transmission request from the UE 110, the FAP 151 transmits a call request (SIP: INVITE) to the PDG 152. This call request is transmitted to MGCF / MGW 158 via PDG 152, P-CSCF 154, and S-CSCF 155 (step A10).
  • SIP Session Initiation Protocol
  • the MGCF / MGW 158 When the MGCF / MGW 158 receives the call request, the MGCF / MGW 158 performs call setting to the emergency organization (step A11).
  • the call request includes the destination telephone number, and the MGCF / MGW 158 can determine the destination based on the telephone number included in the call request.
  • the MGCF / MGW 158 transmits an emergency call transmission response to the S-CSCF 155. This emergency call transmission response is transmitted to the FAP 151 via the S-CSCF 155, P-CSCF 154, and PDG 152 (step A12).
  • the FAP 151 When the FAP 151 receives the emergency call transmission response, the FAP 151 transmits the emergency call transmission response to the UE 110 (step A13).
  • the S-CSCF 155 When the S-CSCF 155 receives an emergency call transmission response from the MGCF / MGW 158, the S-CSCF 155 transmits a simple location information notification (TCP (GEO)) including simple location information roughly indicating the location of the UE 110 that has sent the emergency call to the HSS 156 (Ste A14).
  • TCP simple location information notification
  • the simple position information is obtained by cell positioning.
  • the HSS 156 When the HSS 156 receives the simple location information notification from the S-CSCF 155, the HSS 156 transmits a simple location information notification (MAP-SLR (Subscriber Location Report)) to the GMLC 120 (step A15).
  • MAP-SLR Subscriber Location Report
  • This simple position information notification includes the simple position information included in the simple position information notification received from the S-CSCF 155.
  • the GMLC 120 When the GMLC 120 receives the simple location information notification from the HSS 156, the GMLC 120 transmits a reception response (MAP-SLRack) to the simple location information notification to the HSS 156 (step A16). In addition, the GMLC 120 transmits a simple position information notification to the emergency engine 200 (step A17). This simple position information notification includes the simple position information included in the simple position information notification received from the HSS 156.
  • GMLC120 transmits the GPS positioning request
  • the GPS positioning request includes simple position information included in the simple position information notification received from the HSS 156.
  • the AGPS 130 identifies assist data (such as orbit information of GPS satellites that transmit GPS signals that can be received by the UE 110 that sent the emergency call) necessary for GPS positioning by the UE 110 that sent the emergency call. can do.
  • the AGPS 130 determines whether or not the UE 110 can perform the GPS positioning of the SMS-PUSH opportunity.
  • the AGPS 130 is capable of performing GPS positioning when the UE 110 is SMS-PUSH based on the identifier indicating the type of the UE 110 included in the message transmitted from the UE 110 when establishing communication with the communication network. It is determined whether or not.
  • the AGPS 130 holds, for example, a database indicating whether or not the UE is capable of GPS positioning triggered by SMS-PUSH for each type of UE, and an emergency call is transmitted using the database. It is possible to determine whether or not the UE 110 can perform GPS positioning in response to SMS-PUSH.
  • the database may be managed by a server different from the AGPS 130, and the AGPS 130 may make an inquiry to the server.
  • the AGPS 130 transmits to the UE 110 an SMS message indicating that GPS positioning is requested.
  • the UE 110 establishes a PS connection with the 3G-Femto network 150, acquires assist data from the AGPS 130, and performs GPS positioning. Note that the details of the GPS positioning at the SMS-PUSH opportunity are not directly related to the present invention, and the description thereof is omitted. In the following, it is assumed that the UE 110 that has made an emergency call cannot perform the GPS positioning at the SMS-PUSH opportunity.
  • the AGPS 130 sends a routing information transmission request (MAP-SRI for SM (MAP-SEND ROUTING INFO FOR) to reach the FAP 151 communicating with the UE 110.
  • SM is transmitted to the HLR 144 via the SGW 145 (step A19).
  • the HLR 144 When the HLR 144 receives the routing information transmission request from the AGPS 130, the HLR 144 transmits a request response including the routing information corresponding to the transmission request to the AGPS 130 (step A20).
  • the HLR 144 includes the MSC Number corresponding to the communication network to which the UE 110 that has issued the emergency call is connected in the routing information.
  • the HLR 144 includes, in the routing information, the MSC Number indicating the MSC 143 corresponding to the connection destination of the UE 110 when the UE 110 that has made an emergency call connects to the 3G-Macro network 140.
  • the MSC Number indicating the IPMSGW 157 corresponding to the connection destination of the UE 110 is included in the routing information.
  • the AGPS 130 Upon receiving the request response from the HLR 144, the AGPS 130 transmits a GPS positioning request (MAP-PSL (High Priority)) to the SGW 145.
  • MAP-PSL High Priority
  • the AGPS 130 uses the MSC Number included in the routing information received from the HLR 144 as a GPS positioning request.
  • the SGW 145 transfers the GPS positioning request transmitted from the AGPS 130 to the IPSMGW 157 because the MSC Number included in the GPS positioning request indicates the IPSMGW 157 (step A21).
  • IPSMGW 157 Upon receiving the GPS positioning request, IPSMGW 157 transmits a GPS positioning request (SIP: MESSAGE (Location Report Request)) to S-CSCF 155. This GPS positioning request is sent to FAP 151 via S-CSCF 155, P-CSCF 154, and PDG 152. (Step A22).
  • the FAP 151 when the FAP 151 receives a GPS positioning request, the FAP 151 transmits an acceptance response (SIP: 202) to the GPS positioning request to the PDG 152.
  • the acceptance response is transmitted to IPSMGW 157 via PDG 152, P-CSCF 154, and S-CSCF 155 (step A23).
  • the FAP 151 performs paging and establishes communication with the UE 110 that has made an emergency call. In addition, if FAP151 and UE110 are communicating, establishment of communication with UE110 by paging is unnecessary.
  • the FAP 151 generates a positioning start request indicating that the start of GPS positioning using the assist data is requested according to the SIP.
  • FIG. 6 is a diagram showing a schematic configuration of the SIP message.
  • the SIP message includes a Request-Line part, a Message-Header part, and a Message-Body part.
  • the Message-Body part is the body part of the SIP message.
  • the FAP 151 sets, in the Message-Body part of the SIP message, information indicating by the PCAP that the start of GPS positioning using assist data is requested. Specifically, as illustrated in FIG. 6, the FAP 151 includes information (00 09 xx xx%) Indicating that the message-body part of the positioning start request requests the start of GPS positioning using assist data by the PCAP. xx (PCAP-Position-Initiation-Req)).
  • This positioning start request is transmitted to the PCAPGW 159 via the PDG 152, the P-CSCF 154, and the S-CSCF 155 (step A24).
  • the PCAPGW 159 When receiving the positioning start request, the PCAPGW 159 transmits an acceptance response (SIP: 202) to the positioning start request to the S-CSCF 155. This acceptance response is transmitted to the FAP 151 via the S-CSCF 155, P-CSCF 154, and PDG 152 (step A25).
  • SIP acceptance response
  • SCCP Signal Processing Connection Control Part
  • the PCAPGW 159 converts the positioning start request by SIP into a positioning start request (PCAP: Position-Initiation-Req) by PCAP, which is a protocol that the AGPS 130 can process.
  • PCAP Position-Initiation-Req
  • the PCAPPGW 159 transmits the generated positioning start request (PCAP: Position-Initiation-Req) to the AGPS 130 (step A26).
  • PCAP Position-Initiation-Req
  • the AGPS 130 When the AGPS 130 receives a positioning start request from the PCAPGW 159, the AGPS 130 includes assist data necessary for GPS positioning by the UE 110 that has made an emergency call, and indicates a positioning processing request (PCAP: Position-) indicating that the GPS positioning processing by the UE 110 is requested. Activation-Req) is generated. Specifically, as shown in FIG. 8, the AGPS 130 indicates to the Data part of the SCCP-DT1 message that information indicating that the GPS positioning process by the UE 110 is requested by the PCAP (00 0a xx xx .. xx (PCAP: Position). -Activation-Req)).
  • the AGPS 130 transmits the generated positioning processing request (PCAP: Position-Activation-Req) to the PCAPGW 159 (step A27).
  • PCAP Position-Activation-Req
  • This positioning processing request is transmitted to the FAP 151 via the S-CSCF 155, P-CSCF 154, and PDG 152 (step A28).
  • the FAP 151 When the FAP 151 receives the positioning processing request, the FAP 151 transmits an acceptance response (SIP: 202) to the positioning processing request to the PDG 152. This acceptance response is transmitted to the PCAPGW 159 via the PDG 152, the P-CSCF 154, and the S-CSCF 155 (step A29).
  • SIP acceptance response
  • the FAP 151 acquires assist data included in the received positioning processing request, causes the UE 110 that has made an emergency call to perform GPS positioning using the acquired assist data, and acquires position information from the UE 110.
  • the FAP 151 When the location information is acquired from the UE 110, the FAP 151 generates a request response to the positioning processing request.
  • the FAP 151 sets information (20 0a xx xx xx .. xx (PCAP-Position-Activation-Resp)) indicating that it is a response to the positioning processing request in the Message-Body part of the SIP message.
  • This request response is transmitted to the PCAPGW 159 via the PDG 152, the P-CSCF 154, and the S-CSCF 155. (Step A30).
  • the PCAPPGW 159 When receiving the request response to the positioning processing request, the PCAPPGW 159 transmits an acceptance response (SIP: 202) to the request response to the S-CSCF 155. This acceptance response is transmitted to the FAP 151 via the S-CSCF 155, P-CSCF 154, and PDG 152 (step A31).
  • SIP acceptance response
  • the PCAPGW 159 transmits the generated request response (PCAP: Position-Activation-Resp) to the AGPS 130 (step A32).
  • the AGPS 130 When receiving a request response to the positioning processing request, the AGPS 130 generates a request response to the positioning start request.
  • the AGPS 130 is a request in which the information (20 09 xx xx... Xx (PCAP: Position-Initiation-Resp)) indicating that it is a response to the positioning start request is set in the Data portion of the SCCP-DT1 message.
  • PCAP Position-Initiation-Resp
  • the AGPS 130 transmits the generated request response (PCAP: Position-Initiation-Resp) to the PCAPGW 159 (step A33).
  • PCAP Position-Initiation-Resp
  • the PCAPGW 159 When receiving a request response (PCAP: Position-Initiation-Resp) from the AGPS 130, the PCAPGW 159 converts the request response into an SIP message. Specifically, the PCAPGW 159 sends the information (2009 xx xx .. xx (PCAP: Position-Initiation-Resp)) set in the Data part of the request response to the positioning start request to the Message-Body part of the SIP message. Set.
  • PCAP Position-Initiation-Resp
  • This request response is transmitted to the FAP 151 via the S-CSCF 155, the P-CSCF 154, and the PDG 152 (step A34).
  • the FAP 151 When the FAP 151 receives a request response to the positioning start request, the FAP 151 transmits an acceptance response to the request response to the PDG 152. This acceptance response is transmitted to PCAPGW 159 via PDG 152, P-CSCF 154, and S-CSCF 155 (step A35).
  • the FAP 151 transmits a GPS positioning response (SIP: MESSAGE (Location-Report-Answer)) including the location information acquired from the UE 110 to the PDG 152.
  • the GPS positioning response includes the PDG 152, the P-CSCF 154, and the S-CSCF 155.
  • IPSMGW 157 To the IPSMGW 157 (step A36).
  • the IPSMGW 157 When the IPSMGW 157 receives the GPS positioning response, the IPSMGW 157 transmits an acceptance response (SIP: 202) to the S-CSCF 155.
  • SIP acceptance response
  • the acceptance response is transmitted to the FAP 151 via the S-CSCF 155, P-CSCF 154, and PDG 152 (step A37).
  • the IPSMGW 157 transmits a GPS positioning response (MAP-PSLack (Location Estimate)) to the AGPS 130 via the SGW 145 (step A38).
  • This GPS positioning response includes position information included in the GPS positioning response received from the S-CSCF 155.
  • the AGPS 130 When the AGPS 130 receives the GPS positioning response from the IPSMGW 157, it transmits the GPS positioning response to the GMLC 120 (step A39).
  • This GPS positioning response includes position information included in the GPS positioning response received from IPSMGW 157.
  • the GMLC 120 When the GMLC 120 receives the GPS positioning response from the AGPS 130, the GMLC 120 notifies the emergency organization 200 of the location information included in the GPS positioning response (step A40).
  • the location information of the UE 110 that has sent the emergency call is notified to the emergency organization 200 by the processing from Step A9 to Step A40 described above.
  • FIG. 5A and FIG. 5B the operation when the UE 110 makes an emergency call after the location registration of the UE 110 to the 3G-Femto network 150 has been described.
  • the location information of the UE 110 that has forcibly sent the emergency call may be acquired by the GMLC 120 after the emergency call ends.
  • the operation in this case will be described with reference to FIG. In FIG. 10, it is assumed that the location registration of the UE 110 has already been completed and the UE 110 has made an emergency call.
  • the UE 110 transmits a call disconnection request (CC: Disconnect) indicating that a call disconnection process is requested to the FAP 151 (step B1).
  • CC Disconnect
  • the FAP 151 When the FAP 151 receives a call disconnection request from the UE 110, the FAP 151 transmits a call disconnection request (SIP: BYE) to the PDG 152.
  • This call disconnect request is transmitted to MGCF / MGW 158 via PDG 152, P-CSCF 154, and S-CSCF 155 (step B2).
  • the MGCF / MGW 158 When the MGCF / MGW 158 receives the call disconnection request, the MGCF / MGW 158 releases the call connection with the emergency organization (step B3).
  • the MGCF / MGW 158 transmits a call disconnection response to the call disconnection request to the S-CSCF 155. This call disconnection response is transmitted to the FAP 151 via the S-CSCF 155, P-CSCF 154, and PDG 152 (step B4).
  • the FAP 151 When the FAP 151 receives the call disconnection response, the FAP 151 transmits a call disconnection response to the call disconnection request received from the UE 110 to the UE 110 (step B5).
  • the emergency organization 200 transmits a location information notification request of the UE 110 that has transmitted the emergency call to the GMLC 120 (step B6).
  • the GMLC 120 When the GMLC 120 receives the UE 110 location information notification request from the emergency organization 200, the GMLC 120 transmits a simple location information notification request (MAL-PSL (No Priority)) indicating that the UE 110 requests transmission of the simple location information to the HSS 156. (Step B7).
  • MAL-PSL No Priority
  • the HSS 156 When the HSS 156 receives the simple location information notification request of the UE 110 from the GMLC 120, the HSS 156 transmits a simple location information notification (MAP-PSLack) including the simple location information of the UE 110 to the GMLC 120 (step B8).
  • MAP-PSLack simple location information notification
  • the GMLC 120 transmits a GPS positioning request indicating that the GPS positioning of the UE 110 that has issued the emergency call is requested to the AGPS 130 (step A18).
  • the GPS positioning request includes simple position information included in the simple position information notification received from the HSS 156.
  • Step A18 shown in FIG. 5A and FIG. 5B is performed, and the location information of the UE 110 that has sent the emergency call is notified to the emergency organization 200.
  • the communication system 100 mutually converts the first protocol message (SIP message) that can be processed by the FAP 151 and the second protocol message (PCAP message) that can be processed by the AGPS 130.
  • SIP message first protocol message
  • PCAP message second protocol message
  • the message is converted into a message of a protocol that can be processed by the other and transferred to the other (PCAPGW 159).
  • PCAPGW 159 the second protocol message
  • the AGPS 130 inputs the GPS positioning request of the UE 110 to the FAP 151, and the FAP 151 acquires assist data through communication with the AGPS 130 via the PCAPGW 159.
  • the GPS positioning is performed using the assist data acquired by the UE 110 that has transmitted the call.
  • the UE 110 that has made an emergency call can perform GPS positioning.
  • the AGPS 130 has a function for processing SIP
  • each component in the 3G-Femto network 150 has a function for processing PCAP. Therefore, it is possible to suppress changes in the existing system configuration.
  • the PCAPGW 159 when viewed from the AGPS 130, the 3G-Femto network 150 can be virtually regarded as one RNC (can be converted into a virtual RNC). Usually, a very large number of FAPs 151 are provided.
  • the processing load on the AGPS 130 increases.
  • the processing load on the AGPS 130 can be reduced as compared with the case where the AGPS 130 directly transmits and receives messages to and from many FAPs 151.
  • the communication system in the present embodiment can perform processing without depending on the 3GPP version.
  • control operation in each device configuring the communication system in the present embodiment described above can be executed using hardware, software, or a composite configuration of both.
  • the program can be recorded in advance on a hard disk or ROM (Read Only Memory) as a recording medium.
  • the program can be stored (recorded) temporarily or permanently in a removable recording medium.
  • a removable recording medium can be provided as so-called package software.
  • the removable recording medium include a floppy (registered trademark) disk, a CD-ROM (Compact Disc Only Memory), a MO (Magneto Optical) disk, a DVD (Digital Versatile Disc), a magnetic disk, and a semiconductor memory.
  • the program is installed in the computer from the removable recording medium as described above. In addition, it is wirelessly transferred from the download site to the computer. In addition, it is transferred to the computer via a network by wire.
  • the communication system according to the present embodiment not only executes processing in time series according to the processing operation described in the above embodiment, but also the processing capability of the apparatus that executes the processing, or in parallel as necessary. It is also possible to construct to execute processing individually.
  • the communication system according to the present embodiment can be constructed so as to have a logical set configuration of a plurality of devices or a configuration in which devices of each configuration exist in the same casing.
  • a wireless communication device that performs positioning based on a GPS signal, a server that manages assist data used for positioning based on the GPS signal, and a femtocell that is provided in an IMS network and communicates with the wireless communication device in a communication area A base station,
  • a message of a first protocol that can be processed by the femtocell base station and a message of a second protocol that can be processed by the server can be converted into each other, and the femtocell base station
  • conversion means for converting the received message into a message of a protocol that can be processed by the other is provided,
  • the femtocell base station communicates with the server via the conversion unit.
  • a communication system wherein the assist data is acquired by using the wireless communication device that has made the emergency call and performs positioning based
  • the first protocol is SIP;
  • the communication system, wherein the second protocol is PCAP.
  • the femtocell base station embeds the PCAP message in the SIP message and transmits it to the conversion means.
  • a gateway device provided with the IMS network that receives a message from one of the femtocell base station and the server and converts the received message into a message of a protocol that can be processed by the other;
  • the assist data is acquired by communication with the server via the gateway device,
  • a femtocell base station comprising: a control unit that causes a wireless communication device that has made an emergency call to perform positioning based on the GPS signal using the acquired assist data.
  • a femtocell base station according to appendix 4 The first protocol is SIP; The femtocell base station, wherein the second protocol is PCAP.
  • a gateway device provided in the IMS network for transferring messages, A first communication unit that communicates with a femtocell base station provided in the IMS network, capable of communicating with a wireless communication device that performs positioning based on a GPS signal; A second communication unit that communicates with a server that manages assist data used for positioning based on the GPS signal; A message of a first protocol that can be processed by the base station for femtocell and a message of a second protocol that can be processed by the server can be mutually converted, and the first communication unit and the second protocol A conversion unit that, when one of the communication units receives a message, converts the received message into a message of a protocol that can be processed by the communication destination of the other communication unit, and transmits the message to the other communication unit.
  • a gateway device A gateway device.
  • the first protocol is SIP;
  • the gateway apparatus, wherein the second protocol is PCAP.
  • a method for controlling a femtocell base station provided in an IMS network capable of communicating with a wireless communication device that performs positioning based on a GPS signal When a positioning request of the wireless communication device that has transmitted the emergency call is input in response to the emergency call transmitted by the wireless communication device, the first protocol message that can be processed by the femtocell base station, and The server that manages the assist data used for positioning based on the GPS signal can mutually convert the message of the second protocol that can be processed, and when a message is received from one of the base station for the femtocell and the server, The received message is converted into a message of a protocol that can be processed by the other and transferred, and the assist data is acquired by communication with the server via the gateway device provided with the IMS network, A method for controlling a femtocell base station, comprising: causing a radio communication apparatus that has made an emergency call to perform positioning based on the GPS signal using the acquired assist data.
  • a gateway device control method provided in the IMS network, When a message is received from one of the femtocell base station and the server, the received message is converted into a message of a protocol that can be processed by the other and transferred.
  • the first protocol is SIP;
  • the gateway device control method, wherein the second protocol is PCAP.

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

Abstract

L'invention concerne un système de communication comprenant : des dispositifs de communication sans fil qui exécutent une détection de position sur la base de signaux GPS ; un serveur qui gère des données d'aide utilisées dans ladite détection de position basée sur des signaux GPS ; et une station de base femtocellule dans un réseau IMS. Ledit réseau IMS comprend des moyens de conversion qui transfèrent des messages entre la station de base femtocellule et le serveur, et qui sont aptes à convertir des messages entre un premier protocole pouvant être exécuté par la station de base femtocellule et un second protocole pouvant être exécuté par le serveur. Si une demande de détection de position est entrée dans la station de base femtocellule depuis un dispositif de communication sans fil qui a passé un appel d'urgence, la station de base femtocellule acquiert les données d'aide susmentionnées par une communication avec le serveur via les moyens de conversion et permet au dispositif de communication sans fil qui a passé l'appel d'urgence d'exécuter une détection de position sur la base d'un signal GPS au moyen des données d'aide.
PCT/JP2013/077430 2013-01-22 2013-10-09 Système de communication, station de base femtocellule, dispositif passerelle, et procédé de commande WO2014115378A1 (fr)

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US9992653B2 (en) * 2015-09-08 2018-06-05 Qualcomm Incorporated E911 positioning via background signal tracking

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WO2010074034A1 (fr) * 2008-12-26 2010-07-01 日本電気株式会社 Système de communication, station de base femto, serveur de contrôle d'état d'appel, serveur d'abonné à domicile, procédé de communication et programme
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WO2011130562A2 (fr) * 2010-04-14 2011-10-20 Qualcomm Incorporated Procédé et dispositif de prise en charge de services de localisation via un nœud domestique b (hnb)

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WO2010074034A1 (fr) * 2008-12-26 2010-07-01 日本電気株式会社 Système de communication, station de base femto, serveur de contrôle d'état d'appel, serveur d'abonné à domicile, procédé de communication et programme
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