WO2009099215A1 - 位置情報取得方法及び移動局 - Google Patents
位置情報取得方法及び移動局 Download PDFInfo
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- WO2009099215A1 WO2009099215A1 PCT/JP2009/052104 JP2009052104W WO2009099215A1 WO 2009099215 A1 WO2009099215 A1 WO 2009099215A1 JP 2009052104 W JP2009052104 W JP 2009052104W WO 2009099215 A1 WO2009099215 A1 WO 2009099215A1
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000010295 mobile communication Methods 0.000 claims abstract description 50
- 238000004891 communication Methods 0.000 claims abstract description 16
- 230000004044 response Effects 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 8
- 230000006870 function Effects 0.000 description 11
- 230000004048 modification Effects 0.000 description 10
- 238000012986 modification Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
Definitions
- the present invention relates to a location information acquisition method and a mobile station in which a location information management server acquires location information of a mobile station that performs specific communication.
- SA2 In the working group “SA2” in 3GPP, a positioning method for “Location Based Service” which is a kind of location information management service of the mobile station UE is discussed.
- C-plane based positioning performed via a C plane established between a mobile station UE and a GMLC (Gateway Mobile Location Center) server.
- GMLC Gateway Mobile Location Center
- U-plane based positioning performed via a U-plane established between the mobile station UE and a SUPL (Secure User Plane Location) server is being studied.
- a mobile station UE equipped with a GPS (Global Positioning System) positioning function sends a GPS positioning result to the SUPL server via a U-plane established with the SUPL server.
- the SUPL server is configured to calculate the location information of the mobile station UE.
- the mobile station UE when the mobile station UE cannot report the location information itself of the mobile station UE, at least the global cell ID (Global Cell ID) of the radio base station eNB to which the mobile station UE is connected is displayed. It is necessary to report.
- Global Cell ID Global Cell ID
- the SUPL server cannot acquire the global cell ID of a cell under the radio base station eNB to which the mobile station UE is currently connected. was there.
- An object of the present invention is to provide a location information acquisition method and a mobile station.
- a first feature of the present invention is a location information acquisition method in which a location information management server acquires location information of a mobile station, wherein the first radio base station selects a first cell under the first radio base station. Transmitting a handover instruction for instructing the mobile station that is performing communication via the handover to the second cell under the second radio base station, and the mobile station responds to the handover instruction. And performing a handover from the first cell to the second cell, and obtaining a global cell ID that allows the mobile station to uniquely identify the second cell in at least one mobile communication system from the handover instruction. And a step in which the mobile station notifies the location information management server of a global cell ID that can uniquely identify the acquired second cell. The gist of the Rukoto.
- a second feature of the present invention is a location information acquisition method in which a location information management server acquires location information of a mobile station, wherein the first radio base station selects a first cell under the first radio base station. Transmitting a handover instruction for instructing the mobile station that is performing communication via the handover to the second cell under the second radio base station, and the mobile station responds to the handover instruction. Performing a handover from the first cell to the second cell, and a handover completion report for notifying that the mobile station has completed a handover from the first cell to the second cell.
- a third feature of the present invention is a location information acquisition method in which a location information management server acquires location information of a mobile station, wherein communication is performed via a first cell under a first radio base station.
- a fourth feature of the present invention is a location information acquisition method in which a location information management server acquires location information of a mobile station, wherein the first radio base station selects a first cell under the first radio base station. Transmitting a handover instruction for instructing the mobile station that is performing communication via the handover to the second cell under the second radio base station, and the mobile station responds to the handover instruction. Performing a handover from the first cell to the second cell, and a handover completion report for notifying that the mobile station has completed a handover from the first cell to the second cell.
- a fifth feature of the present invention is a location information acquisition method in which a location information management server acquires location information of a mobile station, and when the location information management server starts positioning of the mobile station, Instructing the mobile station to notify the location information of the mobile station; and in response to an instruction from the location information management server, the mobile station sends at least one mobile communication from the radio base station.
- a location information management server acquires location information of a mobile station, and when the location information management server starts positioning of the mobile station, Instructing the mobile station to notify the location information of the mobile station; and in response to an instruction from the location information management server, the mobile station sends at least one mobile communication from the radio base station.
- a sixth feature of the present invention is a mobile station configured to notify location information to a location information management server, and communicates via a first cell under the first radio base station. And when a handover instruction is received from the first radio base station to instruct to perform a handover to the second cell under the second radio base station, the first cell is determined according to the handover instruction. From the handover processing unit configured to perform handover to the second cell and the handover instruction, a global cell ID capable of uniquely identifying the second cell in at least one mobile communication system is acquired. A global cell ID that can uniquely identify the acquired second cell to the configured global cell ID acquisition unit and the location information management server. And summarized in that a global cell ID notification unit configured to notify the ID.
- a seventh feature of the present invention is a mobile station configured to notify location information to a location information management server, and communicates via a first cell under the first radio base station. And when a handover instruction is received from the first radio base station to instruct to perform a handover to the second cell under the second radio base station, the first cell is determined according to the handover instruction.
- the handover process is configured to perform a handover to the second cell from the first cell and transmit a handover completion report notifying that the handover to the second cell is completed from the first cell to the second radio base station.
- the second cell can be uniquely identified in at least one mobile communication system notified by the second radio base station that has received the handover completion report Configured to notify the location information management server of a global cell ID that is configured to acquire a global cell ID and a global cell ID that can uniquely identify the acquired second cell. And a global cell ID notification unit.
- An eighth feature of the present invention is a mobile station configured to notify location information to a location information management server, and performs communication via a first cell under the first radio base station.
- the reception quality of the pilot signal in the first cell and the reception quality of the pilot signal in the second cell under the second radio base station are measured, and the first cell and
- the handover instruction is responded to
- a handover processing unit configured to perform a handover from the first cell to the second cell, and the second reception frequency of the pilot signal in the first cell.
- the broadcast information in the second cell is received, and the second cell is uniquely identified in the at least one mobile communication system from the broadcast information
- a global cell ID acquisition unit configured to acquire a possible global cell ID, and a global cell ID capable of uniquely identifying the second cell is configured to be notified to the location information management server.
- a global cell ID notification unit configured to notify the location information management server.
- a ninth feature of the present invention is a mobile station configured to notify location information to a location information management server, and performs communication via a first cell under the first radio base station. The handover from the first cell to the second cell in response to the handover instruction when receiving a handover instruction from the first radio base station to instruct the handover to the second cell.
- a handover processing unit configured to transmit a handover completion report notifying that the handover from the first cell to the second cell is completed to the second radio base station, and After transmission, broadcast information in the second cell is received, and the second cell can be uniquely identified in the at least one mobile communication system from the broadcast information
- a global cell ID acquisition unit configured to acquire a global cell ID and a global cell ID that can uniquely identify the acquired second cell are configured to be notified to the location information management server. And a global cell ID notification unit.
- a tenth feature of the present invention is a mobile station configured to notify location information to a location information management server when the location information management server starts positioning of the mobile station.
- the radio base station transmits the location information in the at least one mobile communication system in response to an instruction from the location information management server.
- a global cell ID acquisition unit configured to acquire a global cell ID capable of uniquely identifying a cell, and a notification of a global cell ID capable of uniquely identifying the acquired cell to the location information management server
- a global cell ID notification unit configured to do this.
- FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention.
- FIG. 3 is a functional block diagram of a mobile station according to the first embodiment of the present invention.
- FIG. 3 is a functional block diagram of a radio base station according to the first embodiment of the present invention.
- FIG. 3 is a sequence diagram showing an X2 handover procedure in the mobile communication system according to the first embodiment of the present invention. It is a whole block diagram of the mobile communication system which concerns on the 2nd Embodiment of this invention. It is a sequence diagram which shows the S1 handover procedure in the mobile communication system which concerns on the 2nd Embodiment of this invention. It is a functional block diagram of the mobile station which concerns on the modification 1 of this invention.
- Mobile communication system according to the first embodiment of the present invention A mobile communication system according to a first embodiment of the present invention will be described with reference to FIGS.
- an LTE (Long Term Evolution) mobile communication system will be described as an example, but the present invention is applicable to other mobile communication systems.
- communication for “Location Based Service” is performed via a first cell (handover source cell) under the handover source radio base station (first radio base station) S-eNB.
- Mobile station UE being handed over from the first cell under the handover source radio base station S-eNB to the second cell (handover destination cell) under the handover destination radio base station (second radio base station) T-eNB
- X2 handover, Inter-eNB handover will be described.
- the mobile station UE includes a handover processing unit 10, a global cell ID acquisition unit 11, and a global cell ID notification unit 12.
- the handover processing unit 10 is configured to measure the reception quality of the pilot signal in the first cell and the reception quality of the pilot signal in the neighboring cell (for example, the second cell) of the first cell.
- the handover processing unit 10 is configured to report the measurement result of the reception quality of the pilot signal in the first cell and the neighboring cells (for example, the second cell) of the first cell to the handover source radio base station S-eNB. (“2. Measurement Reports” in FIG. 4).
- the handover processing unit 10 When the handover processing unit 10 receives, from the handover source radio base station S-eNB, a handover instruction that instructs to perform handover to the second cell, the handover processing unit 10 responds to the handover instruction from the first cell to the second cell. It is configured to perform a handover (for example, X2 handover) (“7. Handover Command” in FIG. 4).
- a handover for example, X2 handover
- the handover processing unit 10 is configured to transmit a handover completion report notifying that the handover from the first cell to the second cell is completed to the handover destination radio base station T-eNB (“11 in FIG. 4). "Handover Confirm").
- the global cell ID acquisition unit 11 is configured to acquire a global cell ID that can uniquely identify the second cell under the handover destination radio base station in a plurality of mobile communication systems.
- the same “cell ID” may be used in one mobile communication system.
- the global cell ID is composed of a “radio base station ID” and a “cell ID (scrambling code)”. It may be what has been done.
- the same “wireless base station ID” may be used in different mobile communication systems.
- the global cell ID is “PLMN (Public Land Mobile Network) -ID”.
- radio base station ID and “cell ID (scrambling code)”.
- the global cell ID acquisition unit 11 is configured to acquire a global cell ID from a handover instruction (“7. Handover Command” in FIG. 4) received from the handover source radio base station S-eNB. May be.
- a handover instruction (“7. Handover Command” in FIG. 4) received from the handover source radio base station S-eNB. May be.
- the global cell ID acquisition unit 11 is configured to acquire the global cell ID notified by the handover destination radio base station T-eNB that has received the handover completion report (“11. Handover Confirm” in FIG. 4). May be.
- the global cell ID acquisition unit 11 receives broadcast information (BCCH: Broadcast Control Channel) in the second cell when the reception quality of the pilot signal in the second cell is higher than the reception quality of the pilot signal in the first cell. And you may be comprised so that global cell ID contained in this alerting
- BCCH Broadcast Control Channel
- the global cell ID acquisition unit 11 receives the broadcast information in the second cell and acquires the global cell ID included in the broadcast information. It may be configured to.
- the global cell ID notification unit 12 is configured to notify the SUPL server (location information management server) of the global cell ID acquired by the global cell ID acquisition unit 11.
- the global cell ID notification unit 12 may be configured to notify the global cell ID at a timing designated by the SUPL server, and the global cell ID is obtained every time the global cell ID is acquired. May be configured to notify.
- the radio base station eNB includes a handover processing unit 21 and a global cell ID notification unit 22.
- the handover processing unit 21 of the handover source radio base station S-eNB determines whether or not the mobile station UE should perform the handover according to the measurement result received from the mobile station UE (“2. Measurement Reports” in FIG. 4). It is comprised so that it may determine about.
- the handover processing unit 21 of the handover source radio base station S-eNB determines that the mobile station UE should perform a handover
- the handover processing unit 21 gives a handover instruction (“7. Handover Command” in FIG. 4) to that effect. And configured to transmit to the mobile station UE.
- the handover processing unit 21 of the handover destination radio base station T-eNB notifies the mobile station UE that the handover from the first cell to the second cell is completed (“11. Handover Confirm” in FIG. 4). Is configured to receive.
- the global cell ID notification unit 22 is configured to notify the mobile station UE of the global cell ID of the second cell under the handover destination radio base station.
- the global cell ID notification unit 22 of the handover source radio base station S-eNB notifies the global cell ID of the second cell by including it in the above-described handover instruction (“7. Handover Command” in FIG. 4). It may be configured to.
- the global cell ID notification unit 22 of the handover destination radio base station T-eNB receives the handover completion report (“11. Handover Confirm” in FIG. 4), and then the global cell ID of the second cell You may be comprised so that cell ID may be notified.
- the global cell ID notification unit 22 of the handover destination radio base station T-eNB may be configured to notify the global cell ID of the second cell by including it in the broadcast information in the second cell.
- the mobile station UE acquires the global cell ID from the handover instruction (“7. Handover Command” in FIG. 4) and sends it to the SUPL server. Since it is configured to notify, the global cell ID of the cell under the radio base station eNB to which the mobile station UE is connected after the X2 handover is performed can be acquired as the location information of the mobile station UE. it can.
- the mobile station UE transmits a handover completion report (“11. Handover Confirm” in FIG. 4)
- the handover destination radio base station T-eNB Since the notified global cell ID is acquired and notified to the SUPL server, the mobile station UE is connected after the X2 handover is performed as the location information of the mobile station UE.
- the global cell ID of the cell under the radio base station eNB can be acquired.
- the second cell Since the global cell ID is obtained from the broadcast information (BCCH: Broadcastcast Channel) and notified to the SUPL server, the location information of the mobile station UE is used after the X2 handover is performed.
- the global cell ID of the cell under the radio base station eNB to which the mobile station UE is connected can be acquired.
- the mobile station UE receives broadcast information in the second cell after transmitting a handover completion report (“11. Handover Confirm” in FIG. 4). Since the global cell ID included in the broadcast information is acquired and notified to the SUPL server, the mobile station UE receives the X2 handover as the location information of the mobile station UE. The global cell ID of the cell under the connected radio base station eNB can be acquired.
- Mobile communication system according to the second embodiment of the present invention With reference to FIG.5 and FIG.6, the mobile communication system which concerns on the 2nd Embodiment of this invention is demonstrated.
- the mobile communication system according to the present embodiment will be described by focusing on differences from the mobile communication system according to the first embodiment described above.
- communication for “Location Based Service” is performed via the first cell (handover source cell) under the handover source radio base station (first radio base station) S-eNB.
- Mobile station UE being handed over from the first cell under the handover source radio base station S-eNB to the second cell (handover destination cell) under the handover destination radio base station (second radio base station) T-eNB
- S1 handover, Inter-eNB handover will be described.
- the global cell ID acquisition unit 11 of the mobile station UE is configured to acquire a global cell ID from a handover instruction (“10. Handover Command” in FIG. 6) received from the handover source radio base station S-eNB. Also good.
- the global cell ID acquisition unit 11 of the mobile station UE acquires the global cell ID notified by the handover destination radio base station T-eNB that has received the handover completion report (“12. Handover Confirm” in FIG. 6). It may be configured.
- the global cell ID acquisition unit 11 of the mobile station UE receives the broadcast information in the second cell after transmitting the handover completion report (“12. Handover Confirm” in FIG. 6), and includes the global information included in the broadcast information. You may be comprised so that cell ID may be acquired.
- the global cell ID notification unit 22 of the handover source radio base station S-eNB notifies the global cell ID of the second cell included in the handover instruction (“10. Handover Command” in FIG. 6). It may be configured.
- the global cell ID notification unit 22 of the handover destination radio base station T-eNB receives the handover completion report (“12. Handover Confirm” in FIG. 6), and then receives the global cell ID of the second cell from the mobile station UE. You may be comprised so that cell ID may be notified.
- the mobile station UE transmits a handover completion report (“12. Handover Confirm” in FIG. 6)
- the handover destination radio base station T-eNB Since the notified global cell ID is acquired and notified to the SUPL server, the mobile station UE is connected after the S1 handover is performed as the location information of the mobile station UE.
- the global cell ID of the cell under the radio base station eNB can be acquired.
- the mobile station UE receives broadcast information in the second cell after transmitting a handover completion report (“12. Handover Confirm” in FIG. 4). Since the global cell ID included in the broadcast information is acquired and notified to the SUPL server, the mobile station UE receives the location information of the mobile station UE after the S1 handover is performed. The global cell ID of the cell under the connected radio base station eNB can be acquired.
- Modification 1 In the first modification of the present invention, when the SUPL server (location information management server) starts positioning of the mobile station UE, the radio base station eNB to which the mobile station UE is connected to the mobile station UE It is configured to instruct to notify position information of subordinate cells.
- SUPL server location information management server
- the global cell ID acquisition unit 11 of the mobile station UE is configured to acquire the global cell ID of the cell in response to an instruction from the SUPL server.
- the global cell ID acquisition unit 11 of the mobile station UE receives broadcast information in the cell in response to an instruction from the SUPL server, and acquires the global cell ID of the cell included in the broadcast information. It may be configured to.
- the global cell ID acquisition unit 11 of the mobile station UE requests the radio base station eNB to transmit the global cell ID of the cell in response to an instruction from the SUPL server. You may be comprised so that the global cell of a cell may be acquired.
- the global cell ID acquisition unit 11 of the mobile station UE responds to an instruction from the SUPL server, by communication between protocols in the mobile station UE, for example, communication between the AS layer and the application layer. It may be configured to acquire a global cell.
- the mobile station UE includes a SUPL application layer function unit 31 and an AS layer function unit 32.
- the AS function unit 32 holds the global cell ID of the cell that has been waiting for the last time.
- the AS function unit 32 holds the global cell ID of the serving cell.
- the mobile station UE when the mobile station UE transitions from the idle state to the active state, the mobile station UE is configured to acquire and hold the global cell ID included in the broadcast information in the serving cell.
- the mobile station UE when the mobile station UE performs a handover, the mobile station UE is configured to acquire and hold a global cell ID included in broadcast information in the handover destination cell.
- the SUPL server instructs the mobile station UE in the idle state to report the position information, and acquires the position information. The operation will be described.
- step S1001 a position information acquisition procedure is started between the SUPL server and an EPS (Evolved Packet System).
- the EPS includes an exchange MME, a gateway device S-GW / P-GW, and the like.
- step S1002 the EPS transmits a paging signal to the mobile station UE.
- step S1003 the mobile station UE receives broadcast information in the standby cell in response to the paging signal, acquires a global cell ID included in the broadcast information, and performs an AS layer function unit of the mobile station UE. 32.
- step 1003 the mobile station UE establishes an RRC connection with the radio base station that manages the standby cell, and in step S1004 includes an initial context setup procedure (Initial Context Setup Procedure). Perform “Idle to Active Procedure”.
- the SUPL server may exist in the “Default PDN (always connected external network)”, or may exist in a PDN (Packet Data Network) other than the “Default PDN”.
- the mobile station UE when the SUPL server exists in a PDN other than “Default PDN”, the mobile station UE establishes a U-plane bearer for SUPL application to the PDN to which the SUPL server belongs.
- step S1005 the SUPL server transmits a location information request for requesting the mobile station UE to notify the location information of the mobile station UE via the UPL bearer for SUPL application.
- the location information request specifies the type of location information of the mobile station UE to be notified (such as a global cell ID for a cell under the radio base station eNB to which the mobile station UE is connected), and specifies the identification information of the SUPL server To do.
- step S1006 the SUPL application layer function unit 31 of the mobile station UE acquires the location information (the global cell ID described above) of the mobile station UE specified by the location information request from the AS layer function unit 32 of the mobile station UE.
- step S1007 a location information response including the location information of the mobile station UE specified by the location information request and the identification information of the SUPL server is transmitted to the SUPL server.
- the location information of the mobile station UE may be latitude / longitude information related to the location of the mobile station UE.
- the SUPL server instructs the mobile station UE in the active state to report the position information, and acquires the position information. The operation will be described.
- step S2000 the mobile station UE holds a global cell ID of a cell (serving cell) under the radio base station eNB.
- the mobile station UE when the mobile station UE is in the active state, the mobile station UE receives the broadcast information change display from the serving cell every time the broadcast cell broadcast information is changed, receives the broadcast information of the serving cell, and is included in the broadcast information
- the global cell ID is acquired and held in the AS layer function unit 32 of the mobile station UE.
- step S2001 a location information acquisition procedure is started between the SUPL server and the EPS.
- step S2002 the U-plane bearer setup procedure for the SUPL application is started between the mobile station UE and the EPS.
- the U-plane bearer setting procedure for the SUPL application becomes unnecessary.
- step S2003 the SUPL server transmits a location information request for requesting the mobile station UE to notify the location information of the mobile station UE via the UPL bearer for SUPL application.
- the location information request specifies the type of location information of the mobile station UE to be notified (such as a global cell ID for a cell under the radio base station eNB to which the mobile station UE is connected), and specifies the identification information of the SUPL server To do.
- step S2004 the SUPL application layer function unit 31 of the mobile station UE acquires the location information (the above-mentioned global cell ID) of the mobile station UE specified by the location information request from the AS layer function unit 32 of the mobile station UE.
- step S2005 a location information response including the location information of the mobile station UE specified by the location information request and the identification information of the SUPL server is transmitted to the SUPL server.
- the location information of the mobile station UE may be latitude / longitude information related to the location of the mobile station UE.
- the operations of the mobile station UE, the radio base station eNB, the exchange MME, and the serving gateway apparatus S-GW described above may be implemented by hardware or may be implemented by a software module executed by a processor. , Or a combination of both.
- the software modules include RAM (Random Access Memory), flash memory, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electronically Erasable and Programmable, Removable ROM, Hard Disk, and Removable ROM).
- RAM Random Access Memory
- flash memory ROM (Read Only Memory)
- EPROM Erasable Programmable ROM
- EEPROM Electrically Erasable and Programmable, Removable ROM, Hard Disk, and Removable ROM.
- it may be provided in a storage medium of an arbitrary format such as a CD-ROM.
- Such a storage medium is connected to the processor so that the processor can read and write information from and to the storage medium. Further, such a storage medium may be integrated in the processor. Further, such a storage medium and a processor may be provided in the ASIC. Such an ASIC may be provided in the mobile station UE, the radio base station NodeB, or the radio network controller RNC. Further, the storage medium and the processor may be provided as a discrete component in the mobile station UE, the radio base station eNB, the exchange MME, or the serving gateway apparatus S-GW.
- location information acquisition that can acquire the global cell ID of the cell under the radio base station eNB to which the mobile station UE is currently connected is obtained.
- a method and a mobile station can be provided.
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Abstract
Description
図1乃至図4を参照して、本発明の第1の実施形態に係る移動通信システムについて説明する。
図5及び図6を参照して、本発明の第2の実施形態に係る移動通信システムについて説明する。以下、本実施形態に係る移動通信システムについて、上述の第1の実施形態に係る移動通信システムとの相違点に着目して説明する。
本発明の変更例1では、SUPLサーバ(位置情報管理サーバ)が、移動局UEの測位を開始する際に、当該移動局UEに対して、当該移動局UEが接続されている無線基地局eNB配下のセルの位置情報を通知するように指示するように構成されている。
上述の実施形態の例では、第1無線基地局S-eNBと第2無線基地局T-eNBとが異なる場合の例、すなわち、Inter-eNBハンドオーバが行われる場合の例について説明したが、本発明は、かかる例に限定されるものではなく、第1無線基地局S-eNBと第2無線基地局T-eNBとが同じ場合の例、すなわち、Intra-eNBハンドオーバが行われる場合の例についても適用可能である。
Claims (10)
- 位置情報管理サーバが、移動局の位置情報を取得する位置情報取得方法であって、
第1無線基地局が、該第1無線基地局配下の第1セルを介して通信を行っている前記移動局に対して、第2無線基地局配下の第2セルに対するハンドオーバを行うように指示するハンドオーバ指示を送信する工程と、
前記移動局が、前記ハンドオーバ指示に応じて、前記第1セルから前記第2セルに対するハンドオーバを行う工程と、
前記移動局が、前記ハンドオーバ指示から、少なくとも1つの移動通信システムにおいて前記第2セルを一意に識別可能なグローバルセルIDを取得する工程と、
前記移動局が、前記位置情報管理サーバに対して、取得した前記第2セルを一意に識別可能なグローバルセルIDを通知する工程とを有することを特徴とする位置情報取得方法。 - 位置情報管理サーバが、移動局の位置情報を取得する位置情報取得方法であって、
第1無線基地局が、該第1無線基地局配下の第1セルを介して通信を行っている前記移動局に対して、第2無線基地局配下の第2セルに対するハンドオーバを行うように指示するハンドオーバ指示を送信する工程と、
前記移動局が、前記ハンドオーバ指示に応じて、前記第1セルから前記第2セルに対するハンドオーバを行う工程と、
前記移動局が、前記第1セルから前記第2セルに対するハンドオーバが完了した旨を通知するハンドオーバ完了報告を、前記第2無線基地局に送信する工程と、
前記第2無線基地局が、前記ハンドオーバ完了報告を受信した後に、前記移動局に対して、少なくとも1つの移動通信システムにおいて前記第2セルを一意に識別可能なグローバルセルIDを通知する工程と、
前記移動局が、通知された前記第2セルを一意に識別可能なグローバルセルIDを、前記位置情報管理サーバに対して通知する工程とを有することを特徴とする位置情報取得方法。 - 位置情報管理サーバが、移動局の位置情報を取得する位置情報取得方法であって、
第1無線基地局配下の第1セルを介して通信を行っている前記移動局が、該第1セルにおけるパイロット信号の受信品質及び第2無線基地局配下の第2セルにおけるパイロット信号の受信品質を測定する工程と、
前記移動局が、前記第1セルにおけるパイロット信号の受信品質よりも前記第2無線基地局配下の第2セルにおけるパイロット信号の受信品質が高い場合に、前記第2セルにおける報知情報を受信する工程と、
前記移動局が、前記報知情報から、少なくとも1つの移動通信システムにおいて前記第2セルを一意に識別可能なグローバルセルIDを取得する工程と、
前記移動局が、前記第1無線基地局に対して、前記第1セル及び前記第2セルにおけるパイロット信号の受信品質の測定結果を報告する工程と、
前記第1無線基地局が、前記移動局に対して、前記第2セルに対するハンドオーバを行うように指示するハンドオーバ指示を送信する工程と、
前記移動局が、前記ハンドオーバ指示に応じて、前記第1セルから前記第2セルに対するハンドオーバを行う工程と、
前記移動局が、前記第2セルを一意に識別可能なグローバルセルIDを、前記位置情報管理サーバに対して通知する工程とを有することを特徴とする位置情報取得方法。 - 位置情報管理サーバが、移動局の位置情報を取得する位置情報取得方法であって、
第1無線基地局が、該第1無線基地局配下の第1セルを介して通信を行っている前記移動局に対して、第2無線基地局配下の第2セルに対するハンドオーバを行うように指示するハンドオーバ指示を送信する工程と、
前記移動局が、前記ハンドオーバ指示に応じて、前記第1セルから前記第2セルに対するハンドオーバを行う工程と、
前記移動局が、前記第1セルから前記第2セルに対するハンドオーバが完了した旨を通知するハンドオーバ完了報告を、前記第2無線基地局に送信する工程と、
前記移動局が、前記ハンドオーバ完了報告を送信した後、前記第2セルにおける報知情報を受信する工程と、
前記移動局が、前記報知情報から、少なくとも1つの移動通信システムにおいて前記第2セルを一意に識別可能なグローバルセルIDを取得する工程と、
前記移動局が、取得した前記第2セルを一意に識別可能なグローバルセルIDを、前記位置情報管理サーバに対して通知する工程とを有することを特徴とする位置情報取得方法。 - 位置情報管理サーバが、移動局の位置情報を取得する位置情報取得方法であって、
前記位置情報管理サーバが、前記移動局の測位を開始する際に、該移動局に対して、該移動局の位置情報を通知するように指示する工程と、
前記移動局が、前記位置情報管理サーバからの指示に応じて、前記無線基地局から、少なくとも1つの移動通信システムにおいて前記セルを一意に識別可能なグローバルセルIDを取得する工程と、
前記移動局が、前記位置情報管理サーバに対して、取得した前記セルを一意に識別可能なグローバルセルIDを通知する工程とを有することを特徴とする位置情報取得方法。 - 位置情報管理サーバに対して位置情報を通知するように構成されている移動局であって、
第1無線基地局配下の第1セルを介して通信を行っている場合で、かつ、第1無線基地局から、第2無線基地局配下の第2セルに対するハンドオーバを行うように指示するハンドオーバ指示を受信した場合に、該ハンドオーバ指示に応じて、該第1セルから該第2セルに対するハンドオーバを行うように構成されているハンドオーバ処理部と、
前記ハンドオーバ指示から、少なくとも1つの移動通信システムにおいて前記第2セルを一意に識別可能なグローバルセルIDを取得するように構成されているグローバルセルID取得部と、
前記位置情報管理サーバに対して、取得した前記第2セルを一意に識別可能なグローバルセルIDを通知するように構成されているグローバルセルID通知部とを具備することを特徴とする移動局。 - 位置情報管理サーバに対して位置情報を通知するように構成されている移動局であって、
第1無線基地局配下の第1セルを介して通信を行っている場合で、かつ、第1無線基地局から、第2無線基地局配下の第2セルに対するハンドオーバを行うように指示するハンドオーバ指示を受信した場合に、該ハンドオーバ指示に応じて、該第1セルから該第2セルに対するハンドオーバを行い、該第1セルから該第2セルに対するハンドオーバが完了した旨を通知するハンドオーバ完了報告を、該第2無線基地局に送信するように構成されているハンドオーバ処理部と、
前記ハンドオーバ完了報告を受信した前記第2無線基地局によって通知された少なくとも1つの移動通信システムにおいて前記第2セルを一意に識別可能なグローバルセルIDを取得するように構成されているグローバルセルID取得部と、
取得した前記第2セルを一意に識別可能なグローバルセルIDを、前記位置情報管理サーバに対して通知するように構成されているグローバルセルID通知部とを具備することを特徴とする移動局。 - 位置情報管理サーバに対して位置情報を通知するように構成されている移動局であって、
第1無線基地局配下の第1セルを介して通信を行っている場合に、該第1セルにおけるパイロット信号の受信品質及び第2無線基地局配下の第2セルにおけるパイロット信号の受信品質を測定し、該第1無線基地局に対して、該第1セル及び該第2セルにおけるパイロット信号の受信品質の測定結果を報告し、該第1無線基地局から、該第2セルに対するハンドオーバを行うように指示するハンドオーバ指示を受信した場合に、該ハンドオーバ指示に応じて、該第1セルから該第2セルに対するハンドオーバを行うように構成されているハンドオーバ処理部と、
前記第1セルにおけるパイロット信号の受信品質よりも前記第2無線基地局配下の第2セルにおけるパイロット信号の受信品質が高い場合に、前記第2セルにおける報知情報を受信し、該報知情報から、少なくとも1つの移動通信システムにおいて前記第2セルを一意に識別可能なグローバルセルIDを取得するように構成されているグローバルセルID取得部と、
前記第2セルを一意に識別可能なグローバルセルIDを、前記位置情報管理サーバに対して通知するように構成されているグローバルセルID通知部とを具備することを特徴とする移動局。 - 位置情報管理サーバに対して位置情報を通知するように構成されている移動局であって、
第1無線基地局配下の第1セルを介して通信を行っている場合に、該第1無線基地局から、該第2セルに対するハンドオーバを行うように指示するハンドオーバ指示を受信した場合に、該ハンドオーバ指示に応じて、該第1セルから該第2セルに対するハンドオーバを行い、該第1セルから該第2セルに対するハンドオーバが完了した旨を通知するハンドオーバ完了報告を該第2無線基地局に送信するように構成されているハンドオーバ処理部と、
前記ハンドオーバ完了報告を送信した後、前記第2セルにおける報知情報を受信し、該報知情報から、少なくとも1つの移動通信システムにおいて前記第2セルを一意に識別可能なグローバルセルIDを取得するように構成されているグローバルセルID取得部と、
取得した前記第2セルを一意に識別可能なグローバルセルIDを、前記位置情報管理サーバに対して通知するように構成されているグローバルセルID通知部とを具備することを特徴とする移動局。 - 位置情報管理サーバに対して位置情報を通知するように構成されている移動局であって、
前記位置情報管理サーバが、前記移動局の測位を開始する際に、該移動局に対して、該移動局の位置情報を通知するように指示した場合に、該位置情報管理サーバからの指示に応じて、該無線基地局から、少なくとも1つの移動通信システムにおいて該セルを一意に識別可能なグローバルセルIDを取得するように構成されているグローバルセルID取得部と、
前記位置情報管理サーバに対して、取得した前記セルを一意に識別可能なグローバルセルIDを通知するように構成されているグローバルセルID通知部とを具備することを特徴とする移動局。
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EP09709249.8A EP2252103A4 (en) | 2008-02-08 | 2009-02-06 | METHOD FOR ACQUIRING POSITION INFORMATION AND MOBILE STATION |
JP2009552552A JP5328679B2 (ja) | 2008-02-08 | 2009-02-06 | 位置情報取得方法及び移動局 |
US12/866,615 US8614987B2 (en) | 2008-02-08 | 2009-02-06 | Location information acquisition method and mobile station |
BRPI0908374-0A BRPI0908374A2 (pt) | 2008-02-08 | 2009-02-06 | Método para aquisição de informações de localização e estação móvel |
CN200980104666.9A CN101940029B (zh) | 2008-02-08 | 2009-02-06 | 位置信息获取方法以及移动台 |
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CN103796252A (zh) * | 2012-11-02 | 2014-05-14 | 北京三星通信技术研究有限公司 | 一种移动参数自动调整的方法 |
JPWO2020202341A1 (ja) * | 2019-03-29 | 2021-10-28 | 本田技研工業株式会社 | 中継装置、プログラム、通信システム及び通信方法 |
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KR101608593B1 (ko) | 2014-10-07 | 2016-04-01 | 숭실대학교산학협력단 | Sdn 기반 분산형 모바일 네트워크에서의 이동 단말의 이동성을 지원하는 방법 및 그 장치 |
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- 2009-02-06 EP EP09709249.8A patent/EP2252103A4/en not_active Withdrawn
- 2009-02-06 WO PCT/JP2009/052104 patent/WO2009099215A1/ja active Application Filing
- 2009-02-06 RU RU2010136865/07A patent/RU2010136865A/ru not_active Application Discontinuation
- 2009-02-06 JP JP2009552552A patent/JP5328679B2/ja not_active Expired - Fee Related
- 2009-02-06 BR BRPI0908374-0A patent/BRPI0908374A2/pt not_active IP Right Cessation
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CN101940029A (zh) | 2011-01-05 |
BRPI0908374A2 (pt) | 2015-08-11 |
RU2010136865A (ru) | 2012-03-20 |
US20110026486A1 (en) | 2011-02-03 |
JPWO2009099215A1 (ja) | 2011-05-26 |
AU2009211587A1 (en) | 2009-08-13 |
EP2252103A1 (en) | 2010-11-17 |
KR20100109955A (ko) | 2010-10-11 |
CN101940029B (zh) | 2014-11-26 |
EP2252103A4 (en) | 2016-06-01 |
JP5328679B2 (ja) | 2013-10-30 |
US8614987B2 (en) | 2013-12-24 |
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