CN102440012A - Method, apparatus and system for receiving public warning system (pws) messages - Google Patents
Method, apparatus and system for receiving public warning system (pws) messages Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1895—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for short real-time information, e.g. alarms, notifications, alerts, updates
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention discloses a method, an apparatus and a system for receiving public warning system (PWS) messages in mobile communication technology field. The method comprises: in the service limited situation, sending a request to the network for obtaining the information used for authenticating PWS messages; receiving a response message of the request returned from the network, and the response message of the request carries the information for authenticating PWS messages; authenticating the received PWS messages according to the information for authenticating PWS messages. According to the invention, users that stay at a macra-cell, that are not closed subscriber group (CSG) users, that are roaming in other countries, or that are in the service limited situation and the public key of PWS messages is updated by the PWS warning center, are able to receive PWS messages correctly.
Description
Receive the methods, devices and systems technical field of public pre-warning system PWS message
It is more particularly to a kind of to receive public pre-warning system the present invention relates to mobile communication technology field（Public Warning System, PWS) message methods, devices and systems.Background technology
In the current standard progress of 3GPP, it is desirable to long evolving system（Long Term Evolution, LTE) or others 3GPP mobile communcations systems support public pre-warning system PWS.PWS refers to shaking with including the public pre-warning system of the disaster early warning type such as extra large Xiao, when the catastrophic event such as earthquake or sea Xiao occurs, it is desirable to PWS message is sent to all user terminals by the mobility net Network such as LTE（User Equipment, UE), to play early warning instruction, Post disaster relief etc. is acted on.
Currently, Wang Network registrations and safety certification process are first carried out when UE starts shooting every time, if passing through Wang Network certifications, Wang Network sides will issue the public key and system time information of PWS message to UE, UE preserves the public key, and maintains itself clock to be synchronized to the system time.UE will carry out safety certification after PWS message is received to " digital signature " and " timestamp " information in PWS message：Using the digital signature in the authentication public key PWS message issued, the timestamp in itself clock certification PWS message is used.If through safety certification, UE will initiate PWS message alerts to user, conversely, UE will ignore the PWS message.
With the development of mobile communication technology, user's request is more and more diversified, and system equipment also occurs in that variation to adapt to this demand, receive much concern such as Home eNodeB（Home NodeB), the inside coverage base station and some other limited net Network of family's in-door covering such as access point (Access Point) and enterprise-level arise at the historic moment.For this limited-service scene, limited closed subscriber group（Closed Subscriber Group, CSG concept) is introduced into, if user is signed in in CSG user's groups or is added to by CSG owner in CSG user's groups in CSG Wang Network, then the user is allowed in CSG cell normal resident and application business, such user is referred to as CSG UE, and CSG cell provides the miscellaneous services such as voice, data and multimedia to the CSG UE for accessing the CSG cell；Without contracting and not by CSG
The user that owner is added to CSG then can not normally be resident CSG cell, can not also initiate regular traffic, and such user is referred to as non-CSG UE, and CSG cell then only provides urgency traffic to the non-CSG UE for not allowing to access the CSG cell.
In addition, when macrocell is there is also limited service is provided, such as UE may reside in acceptable cells, i.e. acceptable cell, in acceptable cells, UE can not initiate or receive regular traffic, can only initiate emergence call service.Relatively, in suitable cells, i.e., in suitable cell, UE then can initiate or receive normal business.
In process of the present invention is realized, inventor's research is found：When UE resides in acceptable cells or the UE is non-CSG UE, UE state can switch to Wang Network registrations not by the state of, limited-service, get the public key for decryption, and the digital signature in PWS message can not be authenticated, and because not getting system time, and the timestamp in PWS message can not be authenticated.The content of the invention
In consideration of it, the embodiment of the present invention provides a kind of methods, devices and systems of reception PWS message so that user terminal can be properly received PWS message under limited-service scene.
The method of reception PWS message provided in an embodiment of the present invention, including：Sending acquisition request Xiang Wang Network sides under limited-service scene is used for the information of certification PWS message；The request response that Wang Network sides are returned is received, the information for certification PWS message is carried in the request response；The PWS message received according to the authentification of message for certification PWS message.
User terminal provided in an embodiment of the present invention, including：Request unit, is used for the information of certification PWS message for sending acquisition request Xiang Wang Network sides under limited-service scene；Receiving unit, the request response for receiving the return of Wang Network sides, carries the information for certification PWS message in the request response；Authentication unit, for the PWS message received according to the authentification of message for certification PWS message.
Wang Network side apparatus provided in an embodiment of the present invention, including：Request reception unit, the acquisition request for receiving the transmission of the user terminal under limited-service scene is used for the information of certification PWS message；Response hair
Unit is sent, for returning to request response to the user terminal, the information for certification PWS message is carried in the request response.
And, the system of reception PWS message provided in an embodiment of the present invention, including：User terminal is He Wang Network side apparatus, the Wang Network side apparatus, acquisition request for receiving the transmission of the user terminal under limited-service scene is used for the information of certification PWS message, and return to request response to the user terminal, the information for certification PWS message is carried in the request response, to cause the user terminal according to the PWS message of the authentification of message reception for certification PWS message.
The above technical scheme provided according to embodiments of the present invention is understood, user terminal under limited-service scene is used for the information of certification PWS message, and the PWS message received using the authentification of message for certification PWS message got by sending acquisition request Xiang Wang Network sides.Therefore the problem of user terminal can be properly received PWS message under limited-service scene is solved.The accompanying drawing that brief description of the drawings is used required for applying in example or description of the prior art is briefly described, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the method and step schematic diagram for the reception PWS message that the embodiment of the present invention one is provided；Fig. 2 is the method and step schematic diagram for the reception PWS message that the embodiment of the present invention two is provided；Fig. 3 is the method and step schematic diagram for the reception PWS message that the embodiment of the present invention three is provided；Fig. 4 is the method and step schematic diagram for the reception PWS message that the embodiment of the present invention four is provided；Fig. 5 is the method and step schematic diagram for the reception PWS message that the embodiment of the present invention five is provided；Fig. 6 is the method and step schematic diagram for the reception PWS message that the embodiment of the present invention six is provided；Fig. 7 is the method flow schematic diagram for the reception PWS message that the embodiment of the present invention seven is provided；Fig. 8 is a kind of structural representation for user terminal that the embodiment of the present invention eight is provided；
Fig. 9 is a kind of structural representation for Wang Network side apparatus that the embodiment of the present invention nine is provided；
Figure 10 is a kind of communication system composition schematic diagram that the embodiment of the present invention ten is provided.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
According to the description of prior art, when UE resides in acceptable cells or non-CSG UE, UE can initiate emergence call service.And according to PWS urgency level, should equally belong to urgency traffic category.Therefore, as emergence call service, to the UE in case above, it should PWS message can be properly received.The present invention is just the problem of existing reception PWS message is present, it is proposed that several methods that P WS message how is properly received under UE limited-service scenes.
Embodiment one
Referring to Fig. 1, acceptable cells are chosen after UE starts shooting, or are detected under the only covering in CSG cells, and not during the user of the CSG cell, are performed the following steps：
Step 11, UE sends the login request message for carrying urgency traffic mark Xiang Wang Network sides, and the mark represents that Qing Qiu Wang Network sides send the public key and system time information of PWS message.
Step 12 , Wang Network sides are received after registration request, if detecting urgency traffic mark, the public key and system time information of PWS message are carried in the request response of return.
Step 13, UE is received after request response, is obtained public key therein and is preserved, adjusts and safeguard internal clocking and system time synchronization.
When UE receives PWS message, using the digital signature in the authentication public key PWS message of preservation, the timestamp in the internal clocking certification PWS message with system time synchronization is used.If safety certification passes through, PWS message alerts are initiated to user.
Embodiment two
Referring to Fig. 2, acceptable cells are chosen after UE starts shooting, or are detected under the only covering in CSG cells, and not during the user of the CSG cell, are performed the following steps：
Step 21, UE sends dedicated request message, such as PWS key request, Xiang Wang Network Xiang Wang Network sides
Side request sends the public key and system time information of PWS message.
Step 22 , Wang Network sides are received after the dedicated request message, and the public key and system time information of PWS message are carried in the request response of return.
Step 23, UE is received after request response, is obtained public key therein and is preserved, adjusts and safeguard internal clocking and system time synchronization.
When UE receives PWS message, using the digital signature in the authentication public key PWS message of preservation, the timestamp in the internal clocking certification PWS message with system time synchronization is used.If safety certification passes through, PWS message alerts are initiated to user.
Embodiment three
Referring to Fig. 3, when choosing acceptable cells or non-CSG UE after UE starts, if now receiving PWS beep-page message, perform the following steps：
Step 31, UE receives the beep-page message for the PWS that Wang Network sides are sent.
The beep-page message of the PWS asks the public key and system time information of PWS message by UE is triggered Xiang Wang Network sides.
Step 32, UE sends the login request message for carrying urgency traffic mark Xiang Wang Network sides, and the mark represents that Qing Qiu Wang Network sides send the public key and system time information of PWS message.
Step 33 , Wang Network sides are received after registration request, if detecting urgency traffic mark, the public key and system time information of PWS message are carried in the request response of return.
UE is received after request response, obtains public key therein and system time.
Step 34, UE receives PWS message.
Step 35, using the digital signature in the authentication public key PWS message of acquisition, the timestamp in the internal clocking certification PWS message with system time synchronization is used.If safety certification passes through, PWS message alerts are initiated to user.
Step 36, the public key of acquisition is preserved, adjusts and safeguard internal clocking and system time synchronization.It is understood that the present embodiment equally can obtain the public key and system time information of PWS message using dedicated request message is sent Xiang Wang Network sides.
The present embodiment is with embodiment one and the difference of embodiment two：Embodiment one and embodiment two are after UE starts shooting, when detecting in acceptable cells or non-CSG UE, then it is advance Xiang Wang Network sides ask PWS message public key and system time information, and the present embodiment be just triggered when PWS beep-page messages are received after Xiang Wang Network sides request PWS message public key and system time information.
Example IV
When UE is from suitable cell reselections to acceptable cells, PWS message public keys may have been preserved in UE.Now, if receiving PWS message, in the case of the security information in can not parsing PWS message, referring to Fig. 4, it will perform the following steps：
Step 41, UE receives the PWS message that Wang Network sides are sent.
PWS message can be divided into two kinds according to urgency level, Primary Notification (the first alarm notifications, abbreviation PN herein) and Secondary Notification (the second alarm notification, abbreviation SN herein).PN is used to send very urgent information, and delay requirement is high, and content is less.SN is relative to PN, and SN needs what is carried to contain much information, but correspondingly its delay requirement is relatively low.
According to differences of the PN and SN to delay requirement, when UE receives PN, it can first be initiated to alert to user according to alarm type therein, further according to security information therein, carry out safety inspection, if safety inspection passes through, UE can indicate to the user that the alarm of initiation be safety inspection by；If safety inspection fails, UE is notified that user checks failure, and stops user's alarm.And when UE receives SN, then need to do safety inspection first, if by initiating to alert again to user.
If using public key saved in UE, finding can not can not correctly parse PWS security information by PWS safety inspection, then trigger following steps, and stop alerting to user.Conversely, then normally being alerted, and following steps are not needed.
Step 42, UE sends dedicated request message Xiang Wang Network sides, and such as PWS key request ask to send the public key of PWS message Xiang Wang Network sides.
Step 43 , Wang Network sides are received after the dedicated request message, and the public key of PWS message is carried in the request response of return.
Step 44, UE is received after request response, is obtained public key therein, is used the public key of acquisition
Digital signature in certification PWS message, if safety certification passes through, initiates PWS message alerts, while the public key newly obtained is preserved to user.
It should be noted that net Network sides are received after UE dedicated request message, and equally can be with carrying system temporal information in the request response of return, UE needs to readjust internal clocking and system time synchronization according to system time information.Simply in the case of UE is not turned back on, the synchronization of clock has been completed in the net Network registration processes carried out before UE clock is first, therefore the step of adjustment internal clocking and system time synchronization is no longer necessary in practice.
Embodiment five
When user roams into the cell of another country from the cell of country, because the difference of PWS message public keys is, it is necessary to reacquire public key.Referring to Fig. 5, it will perform the following steps：
Step 51, UE sends normal login request message Xiang Wang Network sides, or sends the login request message for carrying urgency traffic mark, and the mark represents that Qing Qiu Wang Network sides send the public key and system time information of PWS message.
It should be noted that in the case that selection enters the suitable cells of another country after UE starts, normal login request message directly can be sent Xiang Wang Network sides；And in the case that selection enters the acceptable cells of another country after UE starts, then need to send Xiang Wang Network sides and carry the login request message that urgency traffic is identified, the mark represents to ask to send the public key and system time information of PWS message Xiang Wang Network sides.
Step 52 , Wang Network sides are received after registration request, and the public key and system time information of PWS message are carried in the request response of return.
Step 53, UE is received after request response, is obtained public key therein and is preserved, and safeguards internal clocking and system time synchronization.
When UE receives PWS message, using the digital signature in the authentication public key PWS message of preservation, the timestamp in the internal clocking certification PWS message with system time synchronization is used.If safety certification passes through, PWS message alerts are initiated to user.
It is understood that the present embodiment can equally be obtained using dedicated request message is sent Xiang Wang Network sides
Take the public key and system time information of PWS message.
Embodiment six
In various embodiments above, Cong Wang Network sides are got after the information for certification PWS message, and PWS alarm centers is reach more preferable security, and the public key at PWS alarms center may update, and now UE needs to reacquire public key.Referring to Fig. 6, it will perform the following steps：
Step 61, when the public key of PWS message changes, PWS alarms send to UE centrally through Wang Network and indicate message, indicate that Wang Network sides have updated PWS message public keys.
Step 62, UE is received after the instruction message, and the dedicated request message for reacquiring PWS message public keys is sent to net Network sides, and such as PWS key request please ask net Network sides to resend the public key of PWS message.
Step 63 , Wang Network sides are received after the dedicated request message, and the public key of the PWS message after updating is carried in the request response of return.
Step 64, UE is received after request response, is obtained the public key after wherein updating and is preserved.When UE receives PWS message, the digital signature in the authentication public key PWS message after renewal is used.If safety certification passes through, PWS message alerts are initiated to user.
It should be noted that net Network sides are received after UE dedicated request message, and equally can be with carrying system temporal information in the request response of return, UE needs to readjust clock and system time synchronization according to system time information.Simply in the case of UE is not turned back on, the synchronization of clock has been completed in the net Network registration processes carried out before UE clock is first, therefore the step of adjustment internal clocking and system time synchronization is no longer necessary in practice.
Embodiment seven
With reference to above-mentioned concrete application scene, the embodiment of the present invention provides a kind of method of reception PWS message, referring to Fig. 7, including：
Step 71, the user terminal under limited-service scene sends acquisition request Xiang Wang Network sides is used for the information of certification PWS message；
Step 72, user terminal receives the request response that Wang Network sides are returned, and disappears in the request response
The information for certification PWS message is carried in breath；
Step 73, the PWS message that user terminal is received according to the authentification of message for certification PWS message.
The method of reception PWS message provided in an embodiment of the present invention, user terminal under limited-service scene is used for the information of certification PWS message, and the PWS message received using the authentification of message for certification PWS message got by sending acquisition request Xiang Wang Network sides.Therefore user terminal is solved under limited-service scene, this user for including residing in acceptable macrocells, in the user in CSG cells can not be accessed, the user that the user of acceptable cells, the cell from a country roam into the cell of another country is entered from suitable cells, or PWS alarm center have updated PWS message public keys in the case of, the problem of PWS message can be properly received.
Embodiment eight
Referring to Fig. 8, the embodiment of the present invention also provides a kind of user terminal, including：
Request unit 81, is used for the information of certification PWS message for sending acquisition request Xiang Wang Network sides under limited-service scene；
Receiving unit 82, the request response for receiving the return of Wang Network sides, carries the information for certification PWS message in the request response；
Authentication unit 83, for the PWS message received according to the authentification of message for certification PWS message.
Wherein, the request unit 81 includes following any module：
Registration request module 811, the login request message of urgency traffic mark is carried for being sent Xiang Wang Network sides, and acquisition request is used for the information of certification PWS message；Or,
Dedicated request module 812, for sending dedicated request message Xiang Wang Network sides, acquisition request is used for the information of certification PWS message.
The information for certification PWS message includes：For the public key of certification PWS message digital signature, and/or the system time stabbed for certification PWS message times.
Understand that UE can also receive PWS beep-page message or PWS with reference to above-mentioned concrete application scene
After message, after it can not parse the PWS message received using the PWS message public key being previously saved, triggering UE obtains the public key and system time information of PWS message, referring also to Fig. 8, before request unit 81, user terminal includes following any cell：
First trigger element 801, information of the acquisition request for certification PWS message is sent for according to the PWS beep-page messages received, triggering the request unit Xiang Wang Network sides；Or,
Second trigger element 802, for that can not parse the PWS message received according to using the PWS message public key being previously saved, triggers the request unit and sends information of the acquisition request for certification PWS message Xiang Wang Network sides.
Moreover, after the information that user terminal requests get for certification PWS message, can also include：Re-request unit 80, the instruction message for updating PWS message public keys according to the PWS alarms center for receiving the transmission of Wang Network sides, the information for certification PWS message is reacquired Xiang the transmission request of Wang Network sides.
Therefore, the user terminal that the embodiment of the present invention is provided, request unit is passed through under limited-service scene
81 send acquisition request Xiang Wang Network sides is used for the information of certification PWS message, the information for certification PWS message is got from receiving unit 82, the PWS message received by authentication unit 83 using the authentification of message for certification PWS message received, hence in so that user terminal is under limited-service scene, it still is able to be properly received PWS message.
Embodiment nine
Relative to the user terminal, referring to Fig. 9, the embodiment of the present invention additionally provides a kind of Wang Network side apparatus, including：
Request reception unit 91, the acquisition request for receiving the transmission of the user terminal under limited-service scene is used for the information of certification PWS message；
Transmitting element 92 is responded, for returning to request response to the user terminal, the information for certification PWS message is carried in the request response.
With reference to above-mentioned concrete application scene understand, UE can also after PWS beep-page message or PWS message is received, after it can not parse the PWS message received using the PWS message public key being previously saved,
And after at PWS alarms center have updated PWS message public keys, then public key and system time information that UE obtains PWS message are triggered, referring also to Fig. 9, net Network side apparatus also includes such as lower unit：
Beep-page message trigger element 901, for sending PWS beep-page messages to user terminal, triggers the user terminal and sends information of the acquisition request for certification PWS message Xiang Wang Network sides.Or,
Update instruction transmitting element 902, for sending the instruction message that PWS alarms center updates PWS message public keys to user terminal.
Wang Network side apparatus provided in an embodiment of the present invention, the acquisition request of the user terminal transmission under limited-service scene is received by request reception unit 91 is used for the information of certification PWS message, and information for certification PWS message is returned from response transmitting element 92 to the user terminal, the PWS message for enabling user terminal to use the authentification of message that receives to receive, therefore the user terminal solved under limited-service scene is the problem of still be able to be properly received PWS message.
Embodiment ten
Referring to Figure 10, the embodiment of the present invention also provides a kind of communication system, and the communication system can implement the scheme that above-mentioned embodiment of the method is provided, including：The He Wang Network side apparatus 90 of user terminal 80, wherein, the user terminal 80 is used under limited-service scene send information of the acquisition request for certification PWS message Xiang Wang Network side apparatus, receive the request response that Wang Network sides are returned, the information for certification PWS message, and the PWS message received according to the authentification of message for certification PWS message are carried in the request response；
The Wang Network side apparatus 90, acquisition request for receiving the transmission of the user terminal under limited-service scene is used for the information of certification PWS message, and request response is returned to the user terminal, the information for certification PWS message is carried in the request response.
The user terminal, which is additionally operable to send Xiang Wang Network side apparatus, carries the login request message that urgency traffic is identified, and acquisition request is used for the information of certification PWS message；Or, it is additionally operable to send dedicated request message Xiang Wang Network side apparatus, acquisition request is used for the information of certification PWS message.
With reference to above-mentioned concrete application scene understand, UE can also after PWS beep-page message or PWS message is received, after it can not parse the PWS message received using the PWS message public key being previously saved,
Public key and system time information that UE obtains PWS message are triggered, therefore, the user terminal 80 is additionally operable to according to the PWS beep-page messages received, is triggered Xiang Wang Network side apparatus and is sent information of the acquisition request for certification PWS message；Or, the PWS message received according to that can not be parsed using the PWS message public key being previously saved is additionally operable to, triggers Xiang Wang Network side apparatus and sends information of the acquisition request for certification PWS message.
It is appreciated that, after user terminal is in acquisition request to the information for certification PWS message, user terminal is additionally operable to update the instruction message of PWS message public keys according to the PWS alarms center for receiving the transmission of Wang Network side apparatus, triggers Xiang the transmission request of Wang Network side apparatus and reacquires the information for certification PWS message.
Communication system provided in an embodiment of the present invention, the information of certification PWS message is used for Xiang the acquisition request of Wang Network side apparatus by the user terminal under limited-service scene, and the PWS message received using the authentification of message received for certification PWS message, therefore the user terminal solved under limited-service scene is the problem of still be able to be properly received PWS message.
Professional will be further appreciated that, the unit and algorithm steps of each example described with reference to the embodiments described herein, it can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate the interchangeability of hardware and software, the composition and step of each example are generally described according to function in the above description.These functions are performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel can realize described function to each specific application using distinct methods, but this realization is it is not considered that beyond the scope of this invention.
The step of method or algorithm for being described with reference to the embodiments described herein, can be implemented with hardware, the software module of computing device, or the combination of the two.Software module can be placed in random access memory
(RAM), internal memory, read-only storage（ROM), in electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM, or any other form of storage medium.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., should be included in the scope of the protection.
Claims (1)
- Claims1st, a kind of method for receiving public pre-warning system PWS message, it is characterised in that including：Sending acquisition request Xiang Wang Network sides under limited-service scene is used for the information of certification PWS message；The request response that Wang Network sides are returned is received, is carried in the request response for certificationThe information of PWS message；The PWS message received according to the authentification of message for certification PWS message.2nd, method according to claim 1, it is characterised in that described to send the step of acquisition request is used for the information of certification PWS message Xiang Wang Network sides and include：The login request message for carrying urgency traffic mark is sent Xiang Wang Network sides, acquisition request is used for certificationThe information of PWS message；Or,Dedicated request message is sent Xiang Wang Network sides, acquisition request is used for the information of certification PWS message.3rd, method according to claim 1 or claim 2, it is characterised in that Xiang before Wang Network sides send information of the acquisition request for certification PWS message, methods described also includes：PWS beep-page message is received, triggers Xiang Wang Network sides and sends information of the acquisition request for certification PWS message.4th, method according to claim 1 or claim 2, it is characterised in that Xiang before Wang Network sides send information of the acquisition request for certification PWS message, methods described also includes：The PWS message received can not be parsed using the PWS message public key being previously saved, triggering Xiang Wang Network sides acquisition request is used for the information of certification PWS message.5th, according to any methods described of Claims 1-4, it is characterised in that in acquisition request to after being used for the information of certification PWS message, methods described also includes：The instruction message of the renewal PWS message public keys of Wang Network sides transmission is received, sending request Xiang Wang Network sides and reacquire is used for the information of certification PWS message.6th, a kind of user terminal, it is characterised in that including：Request unit, disappears for sending acquisition request Xiang Wang Network sides under limited-service scene for certification PWS The information of breath；Receiving unit, the request response for receiving the return of Wang Network sides, carries the information for certification PWS message in the request response；Authentication unit, for the PWS message received according to the authentification of message for certification PWS message.7th, user terminal according to claim 6, it is characterised in that the request unit includes following any module：Registration request module, the login request message of urgency traffic mark is carried for being sent Xiang Wang Network sides, and acquisition request is used for the information of certification PWS message；Dedicated request module, for sending dedicated request message Xiang Wang Network sides, acquisition request is used for the information of certification PWS message.8th, the user terminal according to claim 6 or 7, it is characterised in that also including following any cell：First trigger element, information of the acquisition request for certification PWS message is sent for according to the PWS beep-page messages received, triggering the request unit Xiang Wang Network sides；Second trigger element, for that can not parse the PWS message received according to using the PWS message public key being previously saved, triggers the request unit and sends information of the acquisition request for certification PWS message Xiang Wang Network sides.9th, according to any user terminal of claim 6 to 8, it is characterised in thatRe-request unit, after in acquisition request to the information for certification PWS message, PWS alarms center according to the transmission of Wang Network sides is received updates the instruction message of PWS message public keys, is sent Xiang Wang Network sides and asks to reacquire the information for certification PWS message.10th, a kind of Wang Network side apparatus, it is characterised in that including：Request reception unit, the acquisition request for receiving the transmission of the user terminal under limited-service scene is used for the information of certification PWS message；Transmitting element is responded, for returning to request response to the user terminal, the information for certification PWS message is carried in the request response.11st, Wang Network side apparatus according to claim 10, it is characterised in that also include： Beep-page message trigger element, for sending PWS beep-page messages to user terminal, triggers the user terminal and sends information of the acquisition request for certification PWS message Xiang Wang Network sides.12nd, the Wang Network side apparatus according to claim 10 or 11, it is characterised in that also include：Update instruction transmitting element, for sending the instruction message that PWS alarms center updates PWS message public keys to user terminal.13rd, a kind of communication system, it is characterised in that including：User terminal is He Wang Network side apparatus, the Wang Network side apparatus, acquisition request for receiving the transmission of the user terminal under limited-service scene is used for the information of certification PWS message, and return to request response to the user terminal, the information for certification PWS message is carried in the request response, to cause the user terminal according to the PWS message of the authentification of message reception for certification PWS message.14th, the system according to claim 13, it is characterised in that the Wang Network side apparatus is additionally operable to send the instruction message that PWS alarms center updates PWS message public keys to user terminal.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2009/071272 WO2010118571A1 (en) | 2009-04-15 | 2009-04-15 | Method, apparatus and system for receiving public warning system (pws) messages |
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| CN102440012A true CN102440012A (en) | 2012-05-02 |
| CN102440012B CN102440012B (en) | 2014-01-01 |
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| CN200980122452.4A Expired - Fee Related CN102440012B (en) | 2009-04-15 | 2009-04-15 | Method, apparatus and system for receiving public warning system (pws) messages |
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| CN (1) | CN102440012B (en) |
| WO (1) | WO2010118571A1 (en) |
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| WO2014071585A1 (en) * | 2012-11-08 | 2014-05-15 | 华为技术有限公司 | Method and device for obtaining public key |
| CN104137468A (en) * | 2012-11-07 | 2014-11-05 | 华为技术有限公司 | Method, apparatus, ue and ca for updating ca public key |
| CN104641623A (en) * | 2012-07-20 | 2015-05-20 | 摩托罗拉移动技术公司 | Configuration of display settings for broadcast messaging while roaming |
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| CN103650452B (en) * | 2011-07-01 | 2016-11-02 | 瑞典爱立信有限公司 | The method and apparatus of the alert message in certification network |
| CN102869011B (en) * | 2011-07-05 | 2017-10-03 | 广东纬德信息科技有限公司 | PWS key updating methods, network side equipment and terminal in wireless communication system |
| CN103079197A (en) * | 2011-10-25 | 2013-05-01 | 中兴通讯股份有限公司 | Method and device for updating public warning system (PWS) secret key |
| CN104170423B (en) * | 2012-06-21 | 2018-01-05 | 华为技术有限公司 | The method of transmission public key, access network node, CBC, public warning system |
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Also Published As
| Publication number | Publication date |
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| WO2010118571A1 (en) | 2010-10-21 |
| CN102440012B (en) | 2014-01-01 |
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