CN101959134A - Transmitting and receiving methods, device and system of public warning system (PWS) messages - Google Patents
Transmitting and receiving methods, device and system of public warning system (PWS) messages Download PDFInfo
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- CN101959134A CN101959134A CN200910158128XA CN200910158128A CN101959134A CN 101959134 A CN101959134 A CN 101959134A CN 200910158128X A CN200910158128X A CN 200910158128XA CN 200910158128 A CN200910158128 A CN 200910158128A CN 101959134 A CN101959134 A CN 101959134A
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Abstract
The embodiment of the invention discloses transmitting and receiving methods, device and system of public warning system (PWS) messages and relates to the field of communications, which can meet the transmission requirement on different warning types of PWS messages. The transmitting method for the PWS messages comprises the following steps of: informing UE (User Equipment) of a transmission mode of the PWS messages; and transmitting the PWS messages to the UE according to the transmission mode of the PWS messages. The receiving method of the PWS messages comprises the following steps of: receiving the transmission modes of the PWS messages; and receiving the PWS messages according to the transmission mode of the PWS messages. The technical scheme provided by the embodiment of the invention can be applied to a warning system.
Description
Technical field
The present invention relates to the communications field, relate in particular to sending, receiving method, device and the system of a kind of public alarm PWS of system (Public WarningSystem) message.
Background technology
PWS is a general alarm notification system, can transmit the message of various different alarm types.For example, at present at LTE (Long Term Evolution, Long Term Evolution) ETWS that has defined in the system (Earthquake and Tsunami Warning System, earthquake and hurricane warning system) message is a kind of message that is used to transmit earthquake and tsunami in the PWS message.For ETWS message, the LTE system is that the transmission of ETWS message has defined corresponding transmission mechanism, delay requirement as ETWS message is 4 seconds, promptly in ETWS message back UE taking place can receive in 4 seconds, and transmission means transmission with SIB (System Information Block, system information block).Message for other alarm types, because the message of every kind of alarm types differs very big to transmission requirements such as time delay and size of data, coverages, if directly adopt ETWS mechanism transmission PWS message, following problem can appear: for example, if less than 4 seconds, the delay requirement of so existing ETWS mechanism can't satisfy certain the class message among the PWS to the requirement of time delay; For another example, when the data volume of PWS message is big,, need could transmits through a plurality of transmission cycles and finish, cause very big time delay if these data are transmitted by SIB.Can obtain thus, directly use the ETWS mechanism that defines in the present agreement can not satisfy the transmission demand of the different alarm types of PWS.
Summary of the invention
Sending, receiving method, device and the system of the PWS message that the embodiment of the invention provides can satisfy the transmission demand of different alarm types PWS message.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, a kind of PWS message-sending method, the device that provide of the embodiment of the invention.
A kind of PWS message-sending method comprises:
Transmission means to UE notice PWS message;
According to the transmission means of described PWS message, send PWS message to described UE.
A kind of dispensing device of PWS message comprises:
First sending module is used for the transmission means to UE notice PWS message;
Second sending module is used for the transmission means according to described PWS message, sends PWS message to described UE.
On the other hand, method of reseptance, the device of a kind of PWS message of providing of the embodiment of the invention.
A kind of method of reseptance of PWS message comprises:
Receive the transmission means of PWS message;
According to the transmission means of described PWS message, receive PWS message.
A kind of receiving system of PWS message comprises:
First receiver module is used to receive the transmission means of PWS message;
Second receiver module is used for the transmission means according to described PWS message, receives PWS message.
In addition, the communication system that provides of the embodiment of the invention comprises:
The base station is used for the transmission means to UE notice PWS message, and according to the transmission means of described PWS message, sends PWS message to described UE.
UE is used to receive the transmission means of PWS message, according to the transmission means of described PWS message, receives PWS message.
Sending, receiving method, device and the system of the PWS message that the embodiment of the invention provides, the base station is to the transmission means of UE notice PWS message, and according to the transmission means of described PWS message transmission PWS message, the PWS message that makes UE receive can satisfy transmission requirements such as time delay and size of data, coverage, has improved the service quality of network.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The flow chart of the PWS message-sending method that Fig. 1 provides for the embodiment of the invention;
The flow chart of the method for reseptance of the PWS message that Fig. 2 provides for the embodiment of the invention;
The flow chart of the transmission method of the PWS message that Fig. 3 provides for another embodiment of the present invention;
The structural representation of the dispensing device of the PWS message that Fig. 4 provides for the embodiment of the invention;
Another structural representation of the dispensing device of the PWS message that Fig. 5 provides for the embodiment of the invention;
The structural representation of the receiving system of the PWS message that Fig. 6 provides for the embodiment of the invention;
The communication system that Fig. 7 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Below in conjunction with specific embodiments and the drawings the present invention is further explained.
As shown in Figure 1, the PWS message-sending method that the embodiment of the invention provides comprises:
The PWS message-sending method that present embodiment provides, transmission means to UE notice PWS message, transmission means according to described PWS message sends PWS message again, thereby transmission requirements such as time delay and size of data, coverage are satisfied in the transmission that guarantees described PWS message, have improved the service quality of network.
As shown in Figure 2, the method for reseptance of the PWS message that the embodiment of the invention provides comprises:
The transmission means of step 201, reception PWS message;
The method of reseptance of the PWS message that present embodiment provides receives PWS message according to the transmission means that receives, and transmission requirements such as time delay and size of data, coverage are satisfied in the reception that guarantees described PWS message, has improved the service quality of network.
As shown in Figure 3, the sending, receiving method of the PWS message that another embodiment of the present invention provides, detailed process is as follows:
In the present embodiment, eNB can be from MME (Mobility Management Entity, Mobility Management Entity) obtains PWS message, wherein said PWS message comprises the indication information of transmission means, as indicate send mode to adopt system information broadcast (System Information Broadcast, mode SIB).
In the present embodiment, when carrying transmission means in described PWS message, eNB directly obtains the transmission means of described PWS message from described PWS message, as from as described in to obtain transmission means the PWS message be system information broadcast.
In the present embodiment, eNB is included in the transmission means of the described PWS message mode with information element in the beep-page message, and described beep-page message (Paging message) sends once to UE at each paging cycle.Wherein, beep-page message can comprise following information element:
| pws-transmission | The transmission means of indication PWS message |
| ue-Identity | Indicate paged UE |
With reference to the information element in the above-mentioned tabulation, a kind of example of beep-page message structure is as follows:
--ASN1START
Paging::＝ SEQUENCE{
pagingRecordList PagingRecordList OPTIONAL，--Need?ON
systemInfoModification ENUMERATED{true} OPTIONAL，--Need?ON
etws-Indication ENUMERATED{true} OPTIONAL，--NeedON
pws-transmission ENUMERATED{SIB，MBMS，SIB+MBMS，other}
OPTIONAL，--Need_ON
nonCriticalExtension SEQUENCE{} OPTIONAL--Need?OP
}
PagingRecordList::＝ SEQUENCE(SIZE(1..maxPageRec))OF?PagingRecord
PagingRecord::＝ SEQUENCE{
ue-Identity PagingUE-Identity，
cn-Domain ENUMERATED{ps，cs}，
…
}
PagingUE-Identity::＝ CHOICE{
s-TMSI S-TMSI，
imsi IMSI，
…
}
IMSI::＝ SEQUENCE(SIZE(6..21))OF?IMSI-Digit
IMSI-Digit::＝ INTEGER(0..9)
--ASN1STOP
Wherein said italicized item is the content that present embodiment is expanded on the basis of existing technology, is used to indicate the transmission means of described PWS message.UE can define the transmission means of PWS message and described PWS message according to the pws-transmission information element in the beep-page message, if there is not this IE of PWS message not provide.In the present embodiment, the transmission means of obtaining is SIB (System Information Block, a System information block), and the transmission means of described italicized item extends this as SIB.
In the present embodiment, when eNB is SIB in definite described transmission means, be identified for transmitting the SIB type of described PWS.For example, configuration is used to transmit SIB10, the SIB11 of ETWS message, also can be the SIB of a redetermination, as SIB12 etc.
In the present embodiment, UE receives beep-page message, and the pws-transmission from described beep-page message illustrates the broadcasting of PWS message, and the transmission means that obtains described PWS message from the content of pws-transmission is SIB.
In the present embodiment, the SIB receiving position of UE from obtaining in advance, receive SIB message, SystemInformationBlockType1 (SIB1) from the SIB message that receives, determine the schedule information of PWS, described schedule information will be indicated the position at SIB place of carrying PWS message and repetition period etc., read PWS message according to schedule information then.Method from SIB reception message in the prior art all is applicable to this step, repeats no more herein.
The sending, receiving method of the PWS message that present embodiment provides, transmission means to UE notice PWS message, and according to the transmission means of described PWS message transmission PWS message, the PWS message that makes UE receive can satisfy transmission requirements such as time delay and size of data, coverage, improves the service quality of network; By the transmission means of the described PWS message of existing communication mechanism notice UE, implementation is simple.
Another embodiment of the present invention and above-mentioned difference are, eNB is from MBMS-GW (MultimediaBroadcast Multicast Service Gateway, the multicast gateway) receives PWS message, indication is with the transmission means of MBMS in the described PWS message, this is in the transmission means of adding MBMS in the field of indication transmission means in the beep-page message, and when UE sends PWS message, adopt the MBMS transmission means at eNB.And UE is according to the MBMS transmission means of indicating in the described beep-page message, receives described PWS message with the receive mode of MBMS.Wherein the transmission of MBMS, receive mode all are applicable to this step in the prior art, repeat no more herein.
The sending, receiving method of the PWS message that present embodiment provides, transmission means to UE notice PWS message, and according to the transmission means of described PWS message transmission PWS message, the PWS message that makes UE receive can satisfy transmission requirements such as time delay and size of data, coverage, improves the service quality of network; By the transmission means of the described PWS message of existing communication mechanism notice UE, implementation is simple.
Further embodiment of this invention and the foregoing description difference are, the beep-page message broadcasting of the transmission means of described PWS message for strengthening, and eNB adds described PWS message in described beep-page message, and described beep-page message can comprise following information element:
| ue-Identity | Indicate paged UE |
| pws-information | The particular content of indication PWS message |
With reference to the information element in the above-mentioned tabulation, a kind of example of beep-page message structure is as follows:
-ASN1START
Paging::＝ SEQUENCE{
pagingRecordList PagingRecordList OPTIONAL，--Need?ON
etws-Indication ENUMERATED{true} OPTIONAL，--NeedON
pws-information OCTET?STRING(SIZE(N)) OPTIONAL，--Need?ON
nonCriticalExtension SEQUENCE{} OPTIONAL--Need?OP
}
PagingRecordList::＝ SEQUENCE(SIZE(1..maxPageRec))OF?PagingRecord
PagingRecord::＝ SEQUENCE{
ue-Identity PagingUE-Identity，
cn-Domain ENUMERATED{ps，cs}，
…
}
PagingUE-Identity::＝ CHOICE{
s-TMSI S-TMSI，
imsi IMSI，
…
}
IMSI::＝ SEQUENCE(SIZE(6..21))OF?IMSI-Digit
IMSI-Digit::＝ INTEGER(0..9)
--ASN1STOP
In the present embodiment, described italicized item is the content that present embodiment is expanded on the basis of existing technology, is used to indicate the particular content of PWS message.Because described PWS directly is carried in the beep-page message, UE can directly obtain described PWS message from described beep-page message, thereby the time delay of transmission PWS message is minimum in the present embodiment.
The sending, receiving method of the PWS message that present embodiment provides, transmission means to UE notice PWS message, and according to the transmission means of described PWS message transmission PWS message, the PWS message that makes UE receive can satisfy transmission requirements such as time delay and size of data, coverage, has improved the service quality of network; When the mode of broadcasting with the beep-page message that strengthens sends PWS message, in described beep-page message, carry PWS message, greatly shortened transmission delay, and implementation method is simple; By the transmission means of the described PWS message of existing communication mechanism notice UE, implementation is simple.
The scheme that further embodiment of this invention provides and the foregoing description distinctive points are that described transmission means can also be determined by eNB.After eNB receives PWS message, according to the alarm types of PWS message, determine the transmission means of described PWS message, as described information such as the time delay of PWS message, data volume and coverage.For example, the PWS message that time delay is short and data volume is little can be by the paging broadcast transmitted that strengthens; The PWS message that data volume is bigger can be transmitted by the MBMS mode; Delay requirement and data volume require can adopt the SIB mode to transmit in above PWS message between the two.Certainly, in definite transmission means, a kind of PWS message of alarm types can corresponding one or more transmission meanss.
For example, when the data volume of the packet that carries PWS message was big, eNB can adopt SIB and MBMS dual mode to send described packet to UE simultaneously; Accordingly, UE need adopt SIB and MBMS dual mode to receive described packet, owing to transmit described packet by two kinds of transmission meanss, can reduce to transmit required time.
For another example, when the packet that receives comprises the summary info of alarm and specifying information, can select the mode that the summary info of alarm is broadcasted by the paging that strengthens is sent, the specifying information of the alarm transmission means by SIB or MBMS is transferred out, and wherein said beep-page message comprises the information element of pws-information and pws-transmission; Accordingly, UE pws-information from beep-page message obtains the summary info of alarm, obtains the transmission means of PWS message again from pws-transmission, according to the described transmission means of obtaining, receive the packet that eNB sends, thereby obtain the specifying information of alarm.
In like manner, the PWS message of different alert types can corresponding identical transmission means, also can corresponding different transmission meanss.
For example, the PWS message of two kinds of alert types can adopt the mode that strengthens paging broadcasting to transmit simultaneously, also can will wherein transmit by the SIB mode the lower PWS message of delay requirement, adopts the mode that strengthens paging broadcasting to transmit to the higher PWS of delay requirement.
Need to prove that the embodiment of the invention is that SIB, MBMS are that example describes with the transmission means, and is suitable equally for other bearing modes,, repeat no more herein because the specific implementation method is similar.
The sending, receiving method of the PWS message that the embodiment of the invention provides, transmission means to UE notice PWS message, and according to the transmission means of described PWS message transmission PWS message, the PWS message that makes UE receive can satisfy transmission requirements such as time delay and size of data, coverage, has improved the service quality of network; Adopt the transmission means of SIB and/or MBMS, can satisfy of the requirement of the PWS message of different flow, guaranteed the service quality of network propagation delay time; By the transmission means of the described PWS message of existing communication mechanism notice UE, implementation is simple; When the mode of broadcasting with the beep-page message that strengthens sends PWS message, in described beep-page message, carry PWS message, greatly shortened transmission delay, and implementation method is simple.
Need to prove, the embodiment of the invention describes with the example that is applied as in the LTE system, but is not limited thereto, at other communication systems such as UMTS (Universal Mobile Telecommunications System, universal mobile telecommunications system) suitable equally in the system, repeat no more herein.
As shown in Figure 4, the dispensing device of the PWS message that provides of the embodiment of the invention, comprising:
First sending module 401 is used for the transmission means to UE notice PWS message;
Further, as shown in Figure 5, the dispensing device of described PWS message can further include:
Wherein, described determination module 404 definite transmission meanss can comprise following mode:
Corresponding one or more transmission meanss of the PWS message of every kind of alert type; Corresponding one or more transmission meanss of the PWS message of different alert types.
Further, the transmission means obtained of described acquisition module can comprise the combination of a kind of transmission means in the beep-page message broadcasting of SIB, MBMS and enhancing or multiple transmission means.
Further, described first sending module 401 is by the transmission means of beep-page message notice PWS message.
Further alternative, when the transmission means of described PWS message was broadcasted for the beep-page message that strengthens, PWS message can be included in the mode of information element in the described beep-page message.
In the present embodiment, the dispensing device of described PWS message can be physical location or the logic module of eNB in the LTE system.
The dispensing device of the PWS message that present embodiment provides, transmission means to UE notice PWS message, and according to the transmission means of described PWS message transmission PWS message, the PWS message that makes UE receive can satisfy transmission requirements such as time delay and size of data, coverage, has improved the service quality of network; Adopt the transmission means of SIB and/or MBMS, can satisfy of the requirement of the PWS message of different flow, guaranteed the service quality of network propagation delay time; When the mode of broadcasting with the beep-page message that strengthens sends PWS message, in described beep-page message, carry PWS message, greatly shortened transmission delay, and implementation method is simple; By the transmission means of the described PWS message of existing communication mechanism notice UE, implementation is simple.
As shown in Figure 6, the receiving system of the PWS message that the embodiment of the invention provides comprises:
Further alternative, when the transmission means of described PWS message was SIB and/or MBMS, described second receiver module 602 can further include:
Receiving element is used for when the transmission means of described PWS message is SIB and/or MBMS, adopts the transmission means of SIB and/or MBMS to receive PWS message.
Acquiring unit is used for obtaining PWS message from beep-page message when the transmission means of described PWS message is broadcasted for the beep-page message that strengthens.
The receiving system of the described PWS message of present embodiment can be physical location or the logic module of UE.
The receiving system of the PWS message that present embodiment provides receives PWS message according to the transmission means obtained, and transmission requirements such as time delay and size of data, coverage are satisfied in the reception that guarantees described PWS message, has improved the service quality of network; When the mode of broadcasting with the beep-page message that strengthens receives PWS message, directly obtain PWS message from described beep-page message, greatly shortened receive time delay, and implementation method is simple.
As shown in Figure 7, the communication system that provides of the embodiment of the invention comprises:
Base station 701 is used for the transmission means to UE notice PWS message, and according to the transmission means of described PWS message, sends PWS message to described UE;
UE702 is used to receive the transmission means of PWS message, according to the transmission means of described PWS message, receives PWS message.
Wherein, the transmission means of PWS message can comprise the combination of a kind of transmission means in the beep-page message broadcasting of SIB, MBMS and enhancing or multiple transmission means in the present embodiment.
Wherein, the mode of base station 701 transmission PWS message can not repeat them here referring to Fig. 4 and description embodiment illustrated in fig. 5.
The communication system that present embodiment provides, the base station is to the transmission means of UE notice PWS message, send PWS message according to the transmission means of described PWS message again, thereby transmission requirements such as time delay and size of data, coverage are satisfied in the transmission that guarantees described PWS message, improved the service quality of network; When the mode of broadcasting with the beep-page message that strengthens sends PWS message, in described beep-page message, carry PWS message, greatly shortened propagation delay time, and implementation method is simple.
One of ordinary skill in the art will appreciate that and realize that all or part of step that the foregoing description method is carried is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises one of step or its combination of method embodiment when carrying out.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing module, also can be that the independent physics in each unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.
The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (16)
1. the PWS of a public alarm system message-sending method is characterized in that, comprising:
Transmission means to UE notice PWS message;
According to the transmission means of described PWS message, send described PWS message to described UE.
2. method according to claim 1 is characterized in that, also comprises:
From the described PWS message that receives, obtain the transmission means of described PWS message; Perhaps,
According to the alarm types of described PWS message, determine the transmission means of described PWS message.
3. method according to claim 1 is characterized in that the transmission means of described PWS message sends by beep-page message.
4. method according to claim 1 is characterized in that, the transmission means of described PWS message comprises the combination of a kind of transmission means in the beep-page message broadcasting of System information block SIB, multicast service MBMS and enhancing or multiple transmission means.
5. method according to claim 4 is characterized in that, when the transmission means of described PWS message was broadcasted for the beep-page message that strengthens, described PWS message was included in the described beep-page message.
6. the method for reseptance of a PWS message is characterized in that, comprising:
Receive the transmission means of PWS message;
According to the transmission means of described PWS message, receive PWS message.
7. method according to claim 6 is characterized in that, the transmission means of described reception PWS message comprises:
From beep-page message, receive the transmission means of described PWS message.
8. method according to claim 7, described transmission means according to described PWS message receives PWS message and comprises:
When the transmission means of described PWS message is SIB and/or MBMS, adopt the transmission means of SIB and/or MBMS to receive PWS message; Perhaps,
When the transmission means of described PWS message is broadcasted for the beep-page message that strengthens, from described beep-page message, obtain PWS message.
9. the dispensing device of a PWS message is characterized in that, comprising:
First sending module is used for the transmission means to UE notice PWS message;
Second sending module is used for the transmission means according to described PWS message, sends PWS message to described UE.
10. device according to claim 9 is characterized in that, also comprises:
Acquisition module is used for obtaining from the PWS message that receives the transmission means of described PWS message; Perhaps,
Determination module is used for the alarm types according to PWS message, determines the transmission means of described PWS message.
11. device according to claim 9 is characterized in that,
The transmission means of described PWS message comprises the combination of a kind of transmission means in the beep-page message broadcasting of SIB, MBMS and enhancing or multiple transmission means.
12. device according to claim 9 is characterized in that, when the transmission means of described PWS message was broadcasted for the beep-page message that strengthens, described PWS message was included in the beep-page message.
13. the receiving system of a PWS message is characterized in that, comprising:
First receiver module is used to receive the transmission means of PWS message;
Second receiver module is used for the transmission means according to described PWS message, receives PWS message.
14. device according to claim 13 is characterized in that, described second receiver module comprises:
Receiving element is used for when the transmission means of described PWS message is SIB and/or MBMS, adopts the transmission means of SIB and/or MBMS to receive PWS message; Perhaps,
Acquiring unit is used for obtaining PWS message from beep-page message when the transmission means of described PWS message is broadcasted for the beep-page message that strengthens.
15. a communication system is characterized in that, comprising:
The base station is used for the transmission means to UE notice PWS message, and according to the transmission means of described PWS message, sends PWS message to described UE;
Described UE is used to receive the transmission means of PWS message, according to the transmission means of described PWS message, receives PWS message.
16. communication system according to claim 15 is characterized in that,
The transmission means of described PWS message comprises the combination of a kind of transmission means in the beep-page message broadcasting of SIB, MBMS and enhancing or multiple transmission means.
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| WO2013004103A1 (en) * | 2011-07-05 | 2013-01-10 | 中兴通讯股份有限公司 | Updating method for pws key in wireless communication system, network side apparatus and terminal |
| WO2013060154A1 (en) * | 2011-10-25 | 2013-05-02 | 中兴通讯股份有限公司 | Method and device for updating pws key |
| CN103220667A (en) * | 2012-01-19 | 2013-07-24 | 中兴通讯股份有限公司 | Method, device and system for verifying public warning system (PWS) signing information |
| CN103378970A (en) * | 2012-04-20 | 2013-10-30 | 中兴通讯股份有限公司 | Key updating method, device and system in public warning system |
| CN108141735A (en) * | 2015-07-29 | 2018-06-08 | 黑莓有限公司 | For providing the enhanced public warning system of abundant content |
| CN113424485A (en) * | 2021-05-08 | 2021-09-21 | 北京小米移动软件有限公司 | Indication information configuration and receiving method, device, user equipment, base station and medium |
| WO2021189236A1 (en) * | 2020-03-24 | 2021-09-30 | Qualcomm Incorporated | Convergence of public warning system (pws) and multimedia service for emergency broadcast |
| WO2022000411A1 (en) * | 2020-07-02 | 2022-01-06 | 北京小米移动软件有限公司 | Information transmission method and apparatus, communication device, and storage medium |
| EP4087340A4 (en) * | 2020-02-11 | 2023-01-11 | Huawei Technologies Co., Ltd. | Communication method and apparatus |
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| WO2013004103A1 (en) * | 2011-07-05 | 2013-01-10 | 中兴通讯股份有限公司 | Updating method for pws key in wireless communication system, network side apparatus and terminal |
| WO2013060154A1 (en) * | 2011-10-25 | 2013-05-02 | 中兴通讯股份有限公司 | Method and device for updating pws key |
| CN103220667A (en) * | 2012-01-19 | 2013-07-24 | 中兴通讯股份有限公司 | Method, device and system for verifying public warning system (PWS) signing information |
| WO2013107152A1 (en) * | 2012-01-19 | 2013-07-25 | 中兴通讯股份有限公司 | Pws signature information verification method, device and system |
| CN103378970A (en) * | 2012-04-20 | 2013-10-30 | 中兴通讯股份有限公司 | Key updating method, device and system in public warning system |
| CN108141735B (en) * | 2015-07-29 | 2021-09-10 | 黑莓有限公司 | Method, apparatus and storage medium for providing rich content enhanced public alerts |
| CN108141735A (en) * | 2015-07-29 | 2018-06-08 | 黑莓有限公司 | For providing the enhanced public warning system of abundant content |
| EP4087340A4 (en) * | 2020-02-11 | 2023-01-11 | Huawei Technologies Co., Ltd. | Communication method and apparatus |
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