WO2009125796A1 - 同報情報通知方法及びネットワークノード - Google Patents
同報情報通知方法及びネットワークノード Download PDFInfo
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- WO2009125796A1 WO2009125796A1 PCT/JP2009/057215 JP2009057215W WO2009125796A1 WO 2009125796 A1 WO2009125796 A1 WO 2009125796A1 JP 2009057215 W JP2009057215 W JP 2009057215W WO 2009125796 A1 WO2009125796 A1 WO 2009125796A1
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- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/50—Connection management for emergency connections
Definitions
- the present invention relates to a broadcast information notification method and a network node for notifying a mobile station of broadcast information using a paging message and a broadcast message.
- EWS Earthquake and Tsunami Warning System
- CBC Cell Broadcast Center
- CBE Cell Broadcast Entity
- Steps S3004 and S3005 the radio network controller RNC notifies the mobile station UE belonging to each paging group of emergency information (Primary Notification) by a paging message (Paging Type 1).
- the radio network controller RNC repeatedly notifies the detailed information (Secondary Notification) of the emergency information by a CBS (Cell Broadcast Service) message (broadcast message).
- CBS Cell Broadcast Service
- the emergency information is transmitted by secure communication using a dedicated line or IPsec at the interface between the radio network controller RNC and the CBC, but the radio network station RNC and the mobile station UE There is a problem that the emergency interface cannot be transmitted by security communication in the wireless interface between the mobile phone and the mobile phone.
- a link for security communication is established between the radio network controller RNC and the mobile station UE, a plurality of mobile stations UE are paging messages addressed to the same paging message received by itself. Since it is necessary to determine whether or not, the network cannot apply security using security information individually established for each mobile station UE.
- the present invention has been made in view of the above-described problems, and provides a broadcast information notification method and a network node capable of quickly transmitting emergency information to a plurality of mobile stations by secure communication.
- the purpose is to do.
- a first feature of the present invention is a broadcast information notification method for notifying a plurality of mobile stations of broadcast information using a paging message and a broadcast message, wherein the network node is configured to transmit the broadcast information at a predetermined timing.
- Each of the plurality of mobile stations acquires the receivable broadcast message using the acquired broadcast message reception parameter; and each of the plurality of mobile stations receives the broadcast message. And obtaining the security information notified by.
- each of the plurality of mobile stations performs verification on the broadcast information using the security information, and each of the plurality of mobile stations has succeeded in the verification.
- a process corresponding to the broadcast information may be performed.
- the broadcast information may be notified by the paging message.
- the broadcast information may be notified by the broadcast message.
- the broadcast message is transmitted regardless of the transmission timing of the paging message. And a step of starting repetitive transmission.
- a second feature of the present invention is a network node configured to notify a mobile station of broadcast information using a paging message and a broadcast message, and at a predetermined timing, the paging message and A transmission unit configured to transmit a parameter for receiving a broadcast message, wherein the transmission unit notifies the broadcast information by the paging message, and responds to the broadcast information by the broadcast message;
- the gist is that it is configured to notify security information used for verification.
- a third feature of the present invention is a network node configured to notify a mobile station of broadcast information using a paging message and a broadcast message, and at a predetermined timing, the paging message and A transmission unit configured to transmit a broadcast message reception parameter, wherein the transmission unit uses the broadcast message to transmit the broadcast information and security information used for verification of the broadcast information;
- the gist is that it is configured to notify the user.
- the transmitter when the transmitter is instructed to notify the mobile station of broadcast information, the transmitter is independent of the transmission timing of the paging message.
- the information message may be repeatedly transmitted.
- a fourth feature of the present invention is a mobile station configured to acquire broadcast information, and acquires parameters for receiving a broadcast message using parameters specified by the received paging message.
- a broadcast message reception parameter acquisition unit configured as described above, and a broadcast message acquisition unit configured to acquire a receivable broadcast message using the acquired broadcast message reception parameter;
- a security information acquisition unit configured to acquire security information notified by the broadcast message.
- a verification unit configured to verify the broadcast information using the security information, and responds to the broadcast information only when the verification is successful.
- a processing unit configured to perform processing.
- a broadcast information acquisition unit configured to acquire the broadcast information notified by the paging message may be provided.
- a broadcast information acquisition unit configured to acquire the broadcast information notified by the broadcast message may be provided.
- FIG. 1 is a functional block diagram of a radio control station according to the first embodiment of the present invention.
- FIG. 2 is a functional block diagram of the mobile station according to the first embodiment of the present invention.
- FIG. 3 is a diagram for explaining a verification method by the verification unit of the mobile station according to the first embodiment of the present invention.
- FIG. 4 is a sequence diagram showing operations of the mobile communication system according to the first embodiment of the present invention.
- FIG. 5 is a diagram for explaining a verification method by the verification unit of the mobile station according to the second embodiment of the present invention.
- FIG. 6 is a sequence diagram showing operations of the mobile communication system according to the second embodiment of the present invention.
- FIG. 7 is a sequence diagram showing an operation of a conventional mobile communication system.
- a network node transmits emergency information (broadcast message) to a plurality of mobile stations UE using a Paging message (paging message) and a CBS message (broadcast message). Information).
- emergency information notified in ETWS is assumed as broadcast information, but other broadcast information may be used.
- the present invention provides a LTE (Long Term Evolution) mobile communication system, a W-CDMA (Wideband-Code Division Multiple Access) mobile communication system, a 3GPP2 mobile communication system, a UMTS (Universal Mobile Telecommunications). It can be applied to a mobile communication system of an arbitrary system, such as a mobile communication system of a System) system or a mobile communication system of a GSM (Global System for Mobile Communications) system.
- LTE Long Term Evolution
- W-CDMA Wideband-Code Division Multiple Access
- 3GPP2 mobile communication system 3GPP2 mobile communication system
- UMTS Universal Mobile Telecommunications
- the network node when the present invention is used in an LTE mobile communication system, the network node is a radio base station eNB, and when the present invention is used in a W-CDMA mobile communication system, the network The node is a radio control station RNC.
- a radio control station RNC is used as a network node in a W-CDMA mobile communication system.
- the radio network controller RNC (network node) according to this embodiment includes a Write Replace message receiving unit 11, a system information request transmitting unit 12, a CBS message transmitting unit 13, and a Paging message transmitting unit 14. And a BCCH transmission unit 15.
- the Write Replace message receiving unit 11 is configured to receive a Write Replace message for instructing the mobile station UE to notify emergency information from the CBC.
- the CBS message transmission unit 13 is configured to start the repeated transmission of the CBS message regardless of the transmission timing of the Paging message.
- the CBS message transmission unit 13 is configured to transmit a CBS message via FACH (Forward Access Channel).
- the CBS message transmission unit 13 is configured to notify security information used for verification of emergency information (Primary Notification) and detailed information (Secondary Notification) of emergency information by a CBS message.
- the security information may include an electronic signature of emergency information (Primary Notification), time information (Time), position information (Location), and the like.
- the paging message transmission unit 14 is configured to transmit a paging message via the PCH at a predetermined timing.
- the Paging message transmission unit 14 is configured to notify the emergency information (Primary Notification) described above by a Paging message.
- the Paging message includes the above-mentioned emergency information (Primary Notification), “Emergency IMSI (International Mobile Subscriber Identity)” including “Paging Record IE”, and system information including the timing when the system information in the radio base station BTS is changed.
- BCCH Modification Time IE “etc.
- the BCCH transmission unit 15 notifies “FACH configuration (parameter for receiving broadcast message)” via BCCH (Broadcast Control Channel) at a predetermined timing (specifically, timing specified by the Paging message). It is configured.
- FACH configuration (broadcast message reception parameter) is a parameter necessary for the mobile station UE to receive the CBS message.
- the mobile station UE includes a paging message receiving unit 21, a BCCH receiving unit 22, a CBS message receiving unit 23, a verification unit 24, and a processing unit 25.
- the paging message receiving unit 21 is configured to receive the paging message notified by the radio control station RNC via the PCH at a predetermined timing.
- the BCCH receiving unit 22 uses the parameters (timing, frequency, etc.) specified by the Paging message received by the Paging message receiving unit 21 via the BCCH to “FACH configuration (parameter for receiving broadcast message)”. Is configured to receive.
- the CBS message receiving unit 23 receives “FACH configuration (broadcast message receiving parameter)” via the FACH using the “FACH configuration (broadcast message receiving parameter)” received by the BCCH receiving unit 22. Then, the CBS message that can be received first is received.
- the verification unit 24 uses the security information included in the CBS message received by the CBS message reception unit 23 to verify the emergency information (Primary Notification) included in the Paging message received by the Paging message reception unit 21. Configured to do.
- the verification unit 24 uses the electronic signature included in the above-described CBS message to verify the emergency information (Primary Notification) included in the above-described Paging message. It is configured.
- the processing unit 25 is configured to perform processing (buzzer output, alarm output, display display, etc.) corresponding to the emergency information (Primary Notification) when the verification by the verification unit 24 is successful.
- the processing unit 25 may be configured to perform processing (buzzer output, alarm output, display display, etc.) corresponding to such emergency information without performing verification by the verification unit 24 described above.
- step S1002 when the CBC detects an input from the CBE in step S1001, in step S1002, the CBC transmits a Write Replace message to the radio control station RNC.
- the radio control station RNC when the radio network controller RNC detects that the setting of the system information has been changed in order to transmit the CBS message in the radio base station BTS, the radio control station RNC repeatedly transmits the CBS message regardless of the transmission timing of the Paging message. (Steps S1004, S1005, S1006, ..., S1012, ..., S1022, S1023, S1024).
- step S1010 the radio control station RNC notifies emergency information (Primary Notification) by a Paging message, and the mobile station UE receives emergency information (Primary Notification) notified by the Paging message.
- step S1011 the radio control station RNC notifies “FACH configuration” via BCCH, and the mobile station UE notifies “FACH” notified via BCCH at the timing specified by the received Paging message. configuration ".
- the mobile station UE uses the received “FACH configuration” to receive the first “FACH configuration” via the FACH and then receive the first CBS message (in the example of FIG. 4, the CBS message in step S1012). ).
- the mobile station UE verifies the emergency information (Primary Notification) included in the Paging message received in step S1010 using the electronic signature included in the received CBS message, and when the verification is successful. , The output corresponding to the emergency information (Primary Notification) is performed.
- the mobile station UE uses the electronic book name of the emergency information (Primary Notification) included in the CBS message that can be received by a plurality of mobile stations, to execute the Paging message. Since the validity of the emergency information (Primary Notification) included in the information can be confirmed, notification of emergency information by secure communication can be realized.
- the emergency information Primary Notification
- the mobile station UE has started to repeatedly transmit the CBS message before the radio control station RNC starts the Paging message.
- the UE can receive the first receivable CBS message after receiving the “FACH configuration”, so that it can realize prompt notification of emergency information. Can meet the requirements of “ETWS” within 4 seconds.
- 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 second embodiment of the present invention will be described by focusing on differences from the above-described mobile communication system according to the first embodiment.
- the CBS message transmission unit 13 of the radio network controller RNC is configured to notify the emergency information (Primary Notification) and the security information (Security Information) used for verification of the emergency information by the CBS message. Has been.
- the verification unit 24 of the mobile station UE uses the security information included in the CBS message received by the CBS message reception unit 23 to verify the emergency information (Primary Notification) included in the CBS message. It is configured.
- the verification unit 24 uses the electronic signature included in the CBS message to verify the emergency information (Primary Notification) included in the CBS message. It is configured.
- FIG. 6 illustrates an operation of notifying the mobile station UE of emergency information (Primary Notification) in the mobile communication system according to the present embodiment.
- Such an operation is that the mobile station UE is notified of emergency information (Primary Notification) by a CBS message in Step S2012 instead of being notified of emergency information (Primary Notification) by a Paging message in Step S2010, and
- the mobile station UE is the same as the operation shown in FIG. 4 except that the mobile station UE verifies the emergency information (Primary Notification) included in the CBS message using the electronic signature included in the received CBS message. is there.
- the operations of the mobile station UE, the radio base station BTS (eNB), the exchange MME, and the radio control station RNC described above may be implemented by hardware or may be implemented by a software module executed by a processor. However, it may be implemented by 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.
- the 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. Such a storage medium and processor may be provided in the ASIC. Such an ASIC may be provided in the mobile station UE, the radio base station BTS (eNB), the exchange MME, or the radio control station RNC. Further, such a storage medium and a processor may be provided as a discrete component in the mobile station UE, the radio base station BTS (eNB), the exchange MME, or the radio control station RNC.
- the present invention it is possible to provide a broadcast information notification method and a network node that can quickly transmit broadcast information to a plurality of mobile stations by secure communication.
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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の構成について説明する。
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の動作について説明する。
本発明の第1の実施形態に係る移動通信システムによれば、移動局UEは、複数の移動局によって受信可能なCBSメッセージに含まれる緊急情報(Primary Notification)の電子書名を用いて、Pagingメッセージに含まれる緊急情報(Primary Notification)の正当性を確認することができるため、セキュアな通信による緊急情報の通知を実現することができる。
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、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。
Claims (12)
- 複数の移動局に対して、ページングメッセージ及び同報メッセージを用いて同報情報を通知する同報情報通知方法であって、
ネットワークノードが、所定タイミングで、前記ページングメッセージ及び同報メッセージ受信用パラメータを送信する工程と、
前記複数の移動局の各々が、受信した前記ページングメッセージによって指定されているパラメータを用いて、前記同報メッセージ受信用パラメータを取得する工程と、
前記複数の移動局の各々が、取得した前記同報メッセージ受信用パラメータを用いて、受信可能な前記同報メッセージを取得する工程と、 前記複数の移動局の各々が、前記同報メッセージによって通知されたセキュリティ情報を取得する工程とを有することを特徴とする同報情報通知方法。 - 前記複数の移動局の各々が、前記セキュリティ情報を用いて、前記同報情報に対する検証を行う工程と、
前記複数の移動局の各々が、前記検証に成功した場合にのみ、前記同報情報に対応する処理を行う工程とを有することを特徴とする請求項1に記載の同報情報通知方法。 - 前記同報情報は、前記ページングメッセージによって通知されることを特徴とする請求項1に記載の同報情報通知方法。
- 前記同報情報は、前記同報メッセージによって通知されることを特徴とする請求項1に記載の同報情報通知方法。
- 前記ネットワークノードが、前記複数の移動局に対して同報情報を通知するように指示された場合、前記ページングメッセージの送信タイミングに関係なく、前記同報メッセージの繰り返し送信を開始する工程とを有することを特徴とする請求項1に記載の同報情報通知方法。
- 移動局に対して、ページングメッセージ及び同報メッセージを用いて同報情報を通知するように構成されているネットワークノードであって、
所定タイミングで、前記ページングメッセージ及び同報メッセージ受信用パラメータを送信するように構成されている送信部を具備し、
前記送信部は、前記ページングメッセージによって、前記同報情報を通知し、前記同報メッセージによって、該同報情報に対する検証に用いられるセキュリティ情報を通知するように構成されていることを特徴とするネットワークノード。 - 移動局に対して、ページングメッセージ及び同報メッセージを用いて同報情報を通知するように構成されているネットワークノードであって、
所定タイミングで、前記ページングメッセージ及び同報メッセージ受信用パラメータを送信するように構成されている送信部を具備し、
前記送信部は、前記同報メッセージによって、前記同報情報、及び、該同報情報に対する検証に用いられるセキュリティ情報を通知するように構成されていることを特徴とするネットワークノード。 - 前記送信部は、前記移動局に対して同報情報を通知するように指示された場合、前記ページングメッセージの送信タイミングに関係なく、前記同報メッセージの繰り返し送信を開始するように構成されていることを特徴とする請求項6又は7に記載のネットワークノード。
- 同報情報を取得するように構成されている移動局であって、
受信したページングメッセージによって指定されているパラメータを用いて、同報メッセージ受信用パラメータを取得するように構成されている同報メッセージ受信用パラメータ取得部と、
取得した前記同報メッセージ受信用パラメータを用いて、受信可能な同報メッセージを取得するように構成されている同報メッセージ取得部と、
前記同報メッセージによって通知されたセキュリティ情報を取得するように構成されているセキュリティ情報取得部とを具備することを特徴とする移動局。 - 前記セキュリティ情報を用いて、前記同報情報に対する検証を行うように構成されている検証部と、
前記検証に成功した場合にのみ、前記同報情報に対応する処理を行うように構成されている処理部とを具備することを特徴とする請求項9に記載の移動局。 - 前記ページングメッセージによって通知されている前記同報情報を取得するように構成されている同報情報取得部を具備することを特徴とする請求項9に記載の移動局。
- 前記同報メッセージによって通知されている前記同報情報を取得するように構成されている同報情報取得部を具備することを特徴とする請求項9に記載の移動局。
Priority Applications (9)
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CN2009801014831A CN101911743B (zh) | 2008-04-08 | 2009-04-08 | 广播信息通知方法以及网络节点 |
US12/810,724 US8224287B2 (en) | 2008-04-08 | 2009-04-08 | Broadcast information notification method and network node |
CA2710572A CA2710572C (en) | 2008-04-08 | 2009-04-08 | Broadcast information notification method and network node |
AU2009234734A AU2009234734B2 (en) | 2008-04-08 | 2009-04-08 | Broadcast information notification method and network node |
RU2010125709/07A RU2470488C2 (ru) | 2008-04-08 | 2009-04-08 | Способ сообщения широковещательной информации и сетевой узел |
BRPI0906864-3A BRPI0906864A2 (pt) | 2008-04-08 | 2009-04-08 | Método de notificação de informação de broadcast e nó de rede |
MX2010007373A MX2010007373A (es) | 2008-04-08 | 2009-04-08 | Metodo de notificacion de informacion de radiodifusion y nodo de red. |
EP09731453.8A EP2222107B1 (en) | 2008-04-08 | 2009-04-08 | Broadcast information notification method and network node |
US13/326,723 US8396448B2 (en) | 2008-04-08 | 2011-12-15 | Broadcast information notification method and network node |
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JP2008100878A JP4355750B2 (ja) | 2008-04-08 | 2008-04-08 | 同報情報通知方法及びネットワークノード |
JP2008-100878 | 2008-04-08 |
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US13/326,723 Division US8396448B2 (en) | 2008-04-08 | 2011-12-15 | Broadcast information notification method and network node |
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CA (1) | CA2710572C (ja) |
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Also Published As
Publication number | Publication date |
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RU2470488C2 (ru) | 2012-12-20 |
JP2009253774A (ja) | 2009-10-29 |
US20110195738A1 (en) | 2011-08-11 |
CA2710572A1 (en) | 2009-10-15 |
AU2009234734A1 (en) | 2009-10-15 |
CN101911743B (zh) | 2013-05-22 |
US8396448B2 (en) | 2013-03-12 |
BRPI0906864A2 (pt) | 2015-07-07 |
RU2010125709A (ru) | 2012-05-20 |
US8224287B2 (en) | 2012-07-17 |
EP2222107A1 (en) | 2010-08-25 |
EP2222107A4 (en) | 2011-04-13 |
MX2010007373A (es) | 2010-08-13 |
EP2222107B1 (en) | 2014-10-22 |
KR20100075694A (ko) | 2010-07-02 |
AU2009234734B2 (en) | 2012-10-11 |
PT2222107E (pt) | 2014-11-10 |
KR101066911B1 (ko) | 2011-09-27 |
CA2710572C (en) | 2016-02-23 |
JP4355750B2 (ja) | 2009-11-04 |
CN101911743A (zh) | 2010-12-08 |
US20120083239A1 (en) | 2012-04-05 |
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