KR101855145B1 - Method and apparatus for transmitting and receiving disaster warning message in wireless communication system - Google Patents
Method and apparatus for transmitting and receiving disaster warning message in wireless communication system Download PDFInfo
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- KR101855145B1 KR101855145B1 KR1020110110899A KR20110110899A KR101855145B1 KR 101855145 B1 KR101855145 B1 KR 101855145B1 KR 1020110110899 A KR1020110110899 A KR 1020110110899A KR 20110110899 A KR20110110899 A KR 20110110899A KR 101855145 B1 KR101855145 B1 KR 101855145B1
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- disaster
- plmn
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- warning message
- disaster warning
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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]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Abstract
The present invention relates to a method and apparatus for receiving and displaying a disaster warning message in a wireless communication system, and a method for receiving and displaying a disaster alert message in a wireless communication system of the present invention, A generation step of generating a disaster alert message reception permission list, a reception step of receiving a disaster warning message transmitted from the base station, and a display step of displaying the disaster alert message according to whether the network identifier of the base station is included in the disaster alert message reception permission list And a determination step of determining a determination result.
Description
The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transmitting / receiving a disaster warning message in a wireless communication system.
Generally, a mobile communication system has been developed to provide voice service while ensuring the user's activity. However, the mobile communication system is gradually expanding not only to voice but also to data service, and now it has developed to the extent of providing high-speed data service. However, in a mobile communication system in which a service is currently provided, a lack of resources and users demand higher speed services, and therefore, a more advanced mobile communication system is required.
In the meantime, earthquake and Tsunami Warning service (ETWS) and Public Warning Service (PWS) systems are being used in the service of LTE network in the state of transmitting disaster alert message about disaster such as tsunami and earthquake to terminal through mobile communication network Is provided.
The disaster information of ETWS and PWS is provided to the base station as text information. Then, the base station receiving the character information broadcasts a cell disaster message to the terminal using system information blocks 10 and 11 (System Information Blocks 10 and 11). At this time, the base station transmits a time stamp and a digital signature to the system information block 10 so that the terminal can perform integrity check and duplication detection of the corresponding disaster character And transmits it.
The structure of system information block 10 including information on the disaster characters is shown in FIG. In this case, FIG. 1 (a) shows information elements for system information block time 10. 1 (b) shows that the warning security information (warningSecurityInfo) among the information elements can include a time stamp and a digital signature. And Figure 1 (c) shows the fields for the time stamp and digital signature and their respective sizes.
However, there is a problem in that it is impossible to apply security information to LTE (Long Term Evolution) network that is currently commercialized because the standardization work on the digital signature defined above is not completed. When security information is not applied when a disaster alert message is transmitted, there is a possibility of a DDOS (Distributed Denial of Service) attack in which a wrong disaster message continuously transmitted by a wrong base station continues to be displayed and the terminal can not be used.
In spite of these problems, it is impossible to provide disaster text services because of heavy rain, tsunami, and other damages.
SUMMARY OF THE INVENTION It is an object of the present invention to provide a method and apparatus for controlling reception and display of a disaster warning message in a wireless communication system.
According to an aspect of the present invention, there is provided a method for receiving and displaying a disaster alert message in a wireless communication system, the method comprising: generating a disaster alert message reception permission list for permitting reception and display of the disaster alert message; And a determination step of determining whether to display the disaster warning message according to whether the network identifier of the base station is included in the disaster warning message reception permission list.
In addition, in the wireless communication system of the present invention, a terminal receiving and displaying a disaster warning message includes a wireless communication unit for receiving a disaster warning message transmitted from the base station, a disaster warning message storing network identifiers for allowing reception and display of the disaster warning message A storage unit for storing a message reception permission list and a disaster warning message reception control unit for determining whether to display the disaster warning message according to whether the network identifier of the base station is included in the disaster warning message reception permission list .
According to the present invention, it is possible to efficiently control the display of the disaster warning message received from the network by the terminal.
1 shows a structure for system information block 10 including information on disaster characters;
FIG. 2 is a flowchart showing a process of transmitting / receiving a disaster warning message according to the first embodiment of the present invention; FIG.
3 is a flowchart showing an operation procedure of a terminal according to the first embodiment of the present invention;
4 is a flowchart showing a process of transmitting / receiving a disaster warning message according to a second embodiment of the present invention;
5 is a flowchart showing an operation procedure of a terminal according to a second embodiment of the present invention;
6 is a flowchart illustrating a process of transmitting and receiving a disaster warning message according to a third embodiment of the present invention;
7 is a flowchart showing an operational procedure of a terminal according to a third embodiment of the present invention;
8 is a block diagram showing an internal structure of a terminal according to an embodiment of the present invention;
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that, in the drawings, the same components are denoted by the same reference symbols as possible. Further, the detailed description of well-known functions and constructions that may obscure the gist of the present invention will be omitted.
The method of transmitting and receiving a disaster alert message (or ETWS message, hereinafter the same) according to an embodiment of the present invention will be described in the first to third embodiments.
≪
In the first embodiment, a base station broadcasts a base station based on a home public land mobile network (HPLMN) (or a home provider network identifier) stored in the terminal and a Home Equivalent Public Land Mobile Network (HEPLMN) the present invention relates to a method of displaying a disaster warning message on a terminal only when the PLMN broadcasted corresponds to the HPLMN or HEPLMN stored in the terminal.
Herein, HPLMN means an identifier for a network to which the terminal subscribes, and HEPLMN means another identifier for a network operated by the same operator as the HPLMN.
The first embodiment will be described with reference to FIGS. 2 and 3. FIG.
FIG. 2 is a flowchart illustrating a process of transmitting and receiving a disaster warning message according to the first embodiment of the present invention.
In step S200, the MS extracts an HPLMN, that is, a network identifier to which the MS is subscribed, based on an International Mobile Subscriber Identity (IMSI) of a Universal Subscriber Identity Module (USIM). Similarly, the terminal extracts the HEPLMN set in the USIM. Then, the terminal sets the extracted HPLMN and HEPLMN to a default value in a disaster alert message acceptance list (ETWS / PWS accept PLMN list).
In step S210, the Cell Broadcast Entity (CBE) requests the Cell Broadcast Center (CBC) to broadcast a disaster warning message.
The CBC then transmits the disaster warning message to the eNB via the Mobility Management Entity (MME). In step S220, the CBC transmits a write replacement warning message to the MME. In step S230, the CBC issues a disaster warning response message Write Replace Warning Confirm). The MME transmits a Write Replace Warning Request message received from the CBC to the eNB in step S250, and receives a Write Replace Warning Response message from the eNB in step S260.
Then, in step S270, the BS broadcasts the received disaster warning message. In this case, the base station broadcasts the PLMNs supported by the base station irrespective of whether the emergency alert message is broadcast or not. In other words, the
Then, the terminal receives the system information block from the base station and confirms the PLMN supported by the base station. Then, the UE determines whether the confirmed PLMN is included in the disaster alert message reception permission list stored in the UE. When included, the terminal displays the received disaster warning message to the user. However, when not included, the terminal does not display the received disaster warning message to the user.
3 is a flowchart showing an operational procedure of a terminal according to the first embodiment of the present invention.
First, the terminal is turned on in step S310. In step S320, the MS extracts information about the network to which the MS has subscribed, that is, the HPLMN, based on the IMSI stored in the USIM. Then, the terminal determines whether the extracted HPLMN is included in the disaster alert message reception allowable list, and adds the extracted HPLMN to the list when the extracted HPLMN is not included.
The MS proceeds to step S330 and checks the HEPLMN list in the USIM. The UE determines whether or not the PLMN in the HEPLMN list is included in the disaster alert message reception allowance list, and adds the confirmed HEPLMN to the list when the PLMN is not included in the list.
In step S340, the terminal receives a disaster warning message broadcasted from the wireless network, i.e., the base station. Then, in step S350, the terminal checks the PLMN of the base station that broadcasts the emergency alert message.
In step S360, the terminal determines whether the PLMN of the base station broadcasting the emergency alert message is included in the emergency alert message reception permission list set by the terminal. The MS proceeds to step S370 and displays the received disaster warning message to the user.
On the other hand, if not, the terminal proceeds to step S380 and discards the received disaster warning message without displaying it to the user.
≪
The second embodiment uses a registered PLMN (or registered carrier network identifier) and an equivalent PLMN (registered PLMN) equal to the registered PLMN after the terminal has authorized the network, And a method for setting a PLMN to display a message.
According to the first embodiment of the present invention, when the terminal is located in a roaming network other than the home network, the terminal may not receive a disaster warning message. In the second embodiment of the present invention, a method of receiving a disaster warning message even when the terminal is located in a roaming network is proposed. This will be described with reference to FIGS. 4 and 5. FIG.
4 is a flowchart illustrating a process of transmitting and receiving a disaster alert message according to a second embodiment of the present invention.
First, in step S400, the terminal performs a registration and authentication procedure through an operation of attaching to the network or a tracking area update (TAU) operation. After completing the authentication, the UE sets the registered PLMN and the PLMN equal to the registered PLMN in the disaster warning message reception allowable list. In this case, when the MME sets up other equivalent PLMNs (equivalent PLMNs) and other disaster alert PLMNs (ETWS PLMNs), the MME transmits an attach / TAU accept message including a disaster alert message reception permission list.
In step S410, the Cell Broadcast Entity (CBE) requests the Cell Broadcast Center (CBC) to broadcast a disaster warning message.
The CBC then transmits the disaster warning message to the eNB via the Mobility Management Entity (MME). In step S420, the CBC sends a Write Replace Warning Request message to the MME. In step S430, the CBC issues a disaster warning response message Write Replace Warning Confirm). In step S450, the MME transmits a Write Replace Warning Request message received from the CBC to the eNB, and receives a Write Replace Warning Response message from the eNB in step S460.
In step S470, the base station broadcasts the received disaster warning message. In this case, the base station broadcasts the PLMNs supported by the base station irrespective of whether the emergency alert message is broadcast or not. In other words, the
Then, the terminal receives the system information block transmitted from the base station and confirms the PLMN supported by the base station. Then, the UE determines whether the confirmed PLMN is included in the disaster alert message reception permission list stored internally. When included, the terminal displays the received disaster warning message to the user. However, when not included, the terminal does not display the received disaster warning message to the user.
On the other hand, when the UE receives and registers an attach acknowledgment message or a routing area update accept message to another PLMN network, a conventional disaster alert message is received with a new registered PLMM and a PLMN equal to the registered PLMN And overwrites the allow list.
5 is a flowchart showing an operational procedure of a terminal according to a second embodiment of the present invention.
First, the terminal is turned on in step S510. Then, the terminal proceeds to step S520 and attempts to attach to the currently located network, and then receives an attach accept message. In step S530, if the disaster alert message reception permission list is not empty, the terminal stores the disaster alert message in a history set. The history set has the same format as a disaster warning message reception allowance list described later. When the disaster alert message reception allowance list is updated, the information of the PLMNs before the update is stored together with an arbitrary identifier.
In step S540, the terminal sets the registered PLMN included in the access grant message and the PLMN equal to the registered PLMN to the disaster alert message reception allowable list.
Then, in step S550, the terminal receives a disaster warning message broadcast from the network, i.e., the base station. Then, in step S560, the terminal checks the PLMN of the base station that transmitted the emergency alert message. In step S570, the UE determines whether the PLMN is included in a disaster alert message reception permission list stored in the UE. If it is included, the terminal proceeds to step S575 and displays the received disaster warning message to the user.
If not, the terminal proceeds to step S580 and determines whether the history set use is set. If the use of the history set is not set, the terminal proceeds to step S590 and discards the received disaster warning message without displaying it to the user. On the other hand, if the use of the history set is set, the terminal proceeds to step S585 and determines whether any one of the PLMNs broadcast by the base station broadcasting the emergency alert message is included in the history set. That is, the UE determines whether the PLMN of the base station is included in the current disaster alert message allowable list, but is included in PLMNs that have been previously registered.
If it is included, the terminal proceeds to step S575 and displays the received disaster warning message. If not, the terminal proceeds to step S590 and discards the disaster alert message received without receiving the disaster warning message.
≪ Third Embodiment >
The third embodiment relates to a method for establishing a PLMN to display a disaster warning message using a registration PLMN and an equal PLMN with a registration PLMN after the terminal has authorized the network.
The second embodiment of the present invention enables the terminal to receive and display a disaster warning message even when the terminal is located in the roaming network, but may not receive a disaster warning message until the terminal is authenticated to the network.
In order to solve such a problem, the third embodiment of the present invention adds a procedure for setting whether to display a disaster warning message to the user when the terminal receives the disaster warning message before network registration. At this time, if there is one PLMN broadcasting in the base station from which the emergency alert message is transmitted, the PLMN is included in the disaster alert message reception allowance list. If the PLMN is one or more, the PLMN is included or the user selects PLMN So that only selected PLMNs are included in the disaster warning message reception permission list. The disaster alert message reception list including the PLMN selected by the user may be referred to as a user setup-disaster alert message reception list below.
The user setting-disaster warning message reception permission list can replace the disaster warning message reception permission list set in the first embodiment and the second embodiment. Or the disaster alert message reception allowance list according to the first embodiment and the second embodiment are independently set and the user setting disaster alert message receive permission list and the disaster alert message reception And may display a disaster warning message broadcast in the union PLMNs of the allowed list.
FIG. 6 is a flowchart illustrating a process of transmitting and receiving a disaster warning message according to a third embodiment of the present invention.
In step S610, the Cell Broadcast Entity (CBE) requests the Cell Broadcast Center (CBC) to broadcast a disaster warning message.
The CBC then transmits the disaster warning message to the eNB via the Mobility Management Entity (MME). More specifically, in step S620, the CBC transmits a write replacement warning request message to the MME. In step S630, the CBC issues a disaster warning response message Write Replace Warning Confirm). In step S650, the MME transmits a Write Replace Warning Request message received from the CBC to the eNB, and receives a Write Replace Warning Response message from the eNB in step S660.
In step S670, the BS broadcasts the received disaster warning message. In this case, the base station broadcasts the PLMNs supported by the base station irrespective of whether the emergency alert message is broadcast or not. In other words, the
Upon receiving the disaster warning message broadcast by the base station, the terminal determines whether any PLMNs broadcast by the base station are included in the disaster alert message reception permission list set in the terminal in step S680. If it is included, it displays the received disaster warning message. If not, it queries the user to set whether or not to display the received disaster warning message. At this time, the terminal displays all the PLMNs broadcast by the base station. Thereafter, when the user receives the disaster warning message and selects the PLMN, the UE adds it to the user setting-disaster warning message reception permission list.
The terminal displays a disaster warning message broadcast in the PLMN included in the user setting-disaster warning message reception permission list. In this case, the user setting-disaster warning message reception permission list may be used as a union with the disaster warning message reception permission list set by the network.
And the user setting - Disaster warning message reception list is a list of the user's settings each time the PLMN that issued the disaster warning message is not included in the previous user setting - disaster warning message reception list or the network disaster warning message reception list Can be updated by displaying the input.
7 is a flowchart showing an operational procedure of a terminal according to the third embodiment of the present invention.
First, in step S710, the terminal receives a disaster warning message broadcast from the network, i.e., the base station. Then, the MS proceeds to step 720 and checks the PLMN of the BS that broadcasted the disaster warning message.
In step S730, the UE determines whether the PLMN of the base station is included in the disaster alert message reception permission list, if the disaster alert message reception allowable list is not empty. If so, the terminal displays the received disaster warning message to the user.
If not, the MS proceeds to step S740 and checks the configuration of the MS to determine whether to receive the disaster warning message. If it is determined as unconditionally received, the terminal proceeds to step S750 and displays the received disaster warning message to the user. On the other hand, if it is set to not receive, the terminal proceeds to step S770 and discards the received disaster warning message without displaying it to the user.
On the other hand, if the PLMN agreed to the user setting is set to be received, the UE determines whether to add the PLMN broadcast by the base station to the user setting-disaster warning message reception permission list. If the user agrees to the addition, the terminal adds the PLMN agreed by the user to the user setting-disaster warning message reception permission list, and displays the received disaster warning message to the user.
8 is a block diagram showing an internal structure of a terminal according to an embodiment of the present invention. 8, the terminal of the present invention may include a
The
The
The
The disaster warning message
More specifically, according to the first embodiment of the present invention, when the PLMN of the base station that transmitted the disaster warning message is included in the disaster alert message reception permission list stored in advance in the terminal, Display a disaster warning message. In this case, the disaster alert message reception permission list includes at least one of the HPLMN obtained based on the IMSI or the HEPLMN extracted from the USIM.
In addition, according to the second embodiment of the present invention, when the PLMN of the base station that transmitted the emergency alert message is included in the emergency alert message reception allowance list acquired by the terminal through the network registration procedure And displays the disaster warning message. In this case, the disaster warning message acceptance list includes at least one of a registered PLMN or an equivalent PLMN of the registered PLMN.
According to the third embodiment of the present invention, even if the PLMN of the base station that transmitted the disaster warning message is not included in the disaster alert message reception permission list of the terminal, the disaster alert message
The embodiments of the present invention disclosed in the present specification and drawings are merely illustrative examples of the present invention and are not intended to limit the scope of the present invention in order to facilitate understanding of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.
For example, in the above-described embodiments of the present invention, when the PLMN received from the base station is included in the disaster alert message reception permission list, the disaster alert message is displayed to the user. However, the present invention is not limited thereto. In other words, when the PLMN received from the base station is included in the disaster warning message reception rejection list, the disaster alert message is not displayed to the user.
<Terminal>
810:
820:
830:
831: Disaster warning message receiving control unit
Claims (8)
Checking a Public Land Mobile Network (PLMN) for identifying a subscriber to which the subscriber station subscribes from an International Mobile Subscriber Identity (IMSI) of the subscriber station included in a Universal Subscriber Identification Module (USIM);
Generating a disaster alert message reception permission list including the confirmed PLMN;
Generating a history set including a PLMN included in an attach accept message when the terminal is located in a roaming network;
Receiving a disaster warning message transmitted from a base station; And
Determining whether to display the disaster warning message based on whether a PLMN broadcast in the base station is included in at least one of the disaster alert message reception list or the history set, How to receive and display disaster warning messages.
And a Home Equivalent Public Land Mobile Network (HEPLMN), which is stored in the terminal, and a Home Public Land Mobile Network (HPLMN) or Home Equivalent Public Land Mobile Network (HEPLMN) .
A wireless communication unit for receiving the emergency alert message transmitted from the base station;
A Public Land Mobile Network (PLMN) for identifying a subscriber to which the subscriber station subscribes is identified from an International Mobile Subscriber Identity (IMSI) of the subscriber station included in a Universal Subscriber Identification Module (USIM) A storage unit for storing a disaster alert message reception allowable list including a PLMN and a history set including a PLMN included in an attach accept message when the terminal is located in a roaming network; And
And a disaster warning message reception controller for determining whether to display the disaster alert message based on whether the PLMN broadcasted in the base station is included in at least one of the disaster alert message reception list or the history set .
A Home Public Land Mobile Network (HPLMN) or a Home Equivalent Public Land Mobile Network (HEPLMN) stored in the terminal.
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| KR1020110110899A KR101855145B1 (en) | 2011-10-28 | 2011-10-28 | Method and apparatus for transmitting and receiving disaster warning message in wireless communication system |
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| KR1020110110899A KR101855145B1 (en) | 2011-10-28 | 2011-10-28 | Method and apparatus for transmitting and receiving disaster warning message in wireless communication system |
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| KR20130046481A KR20130046481A (en) | 2013-05-08 |
| KR101855145B1 true KR101855145B1 (en) | 2018-05-08 |
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| KR20160006899A (en) | 2014-07-09 | 2016-01-20 | 한국철도기술연구원 | Disaster warning message transmission method and system using warning application |
| KR102508506B1 (en) * | 2018-06-15 | 2023-03-08 | 주식회사 케이티 | Mobile base station for lifesaving and lifesaving method in the mobile base station |
| KR20230027171A (en) * | 2020-07-13 | 2023-02-27 | 엘지전자 주식회사 | UI/UX display method for supporting service continuity at the end of a disaster situation and device supporting the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002236988A (en) * | 2001-02-13 | 2002-08-23 | Sony Corp | Danger reporting system for natural disaster, observation device, management device, danger reporting method, and its program storage medium |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002236988A (en) * | 2001-02-13 | 2002-08-23 | Sony Corp | Danger reporting system for natural disaster, observation device, management device, danger reporting method, and its program storage medium |
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