CN101686541B - Indication and transmission method for system message update of earthquake and tsunami warning system - Google Patents
Indication and transmission method for system message update of earthquake and tsunami warning system Download PDFInfo
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Abstract
The invention discloses an indication and transmission method for the system message update of an earthquake and tsunami warning system (ETWS). The indication method comprises the following step: when a minor announcement message of the ETWS is updated, a base station indicates the update of the minor announcement message of the ETWS in a paging message by a paging identifier beyond a field of a main announcement message of the ETWS. Through the technical scheme of the invention, a terminal can distinguish the updates of the main announcement message and the minor announcement message of the ETWS.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of indication, transmission method of system message update of seismic sea wave early warning system.
Background technology
In order to respond actively natural calamity such as seismic sea wave, be necessary to set up a cover ETWS (Earthquakeand Tsunami Warning System, seismic sea wave early warning system).Through using this system, can, the seismic sea wave natural calamity send the relevant information of disaster to the user timely when taking place, thus the influence that alleviates the seismic sea wave natural calamity to the mankind.
Fig. 1 is a PLMN (public land mobile network, public land mobile network) operator provides seismic sea wave early warning service to the user through the ETWS system a network structure.After the disaster incident was about to take place or takes place, government or other mechanism were to PLMN operator issue alert notification, and PLMN operator sends alert notification message through the ETWS system that empty frame comprised to users.Different according to urgency level and purpose; Alert notification message can be divided into two types: first type notification message is referred to as main notification message (Primary notification); Most important disaster information (as: earthquake or tsunami are about to take place) is arranged in this message, require system in 4s, this message to be passed to the user; Second type notification message is referred to as less important notification message (SecondaryNotification), and this message comprises the supplementary relevant with disaster (as: can where obtain assistance etc.), requires system to 30s message to be passed to the user at 10s.
In the LTE system, the modification of system message is through beep-page message notice terminal.When the terminal listens to beep-page message; If the systemInfoModification field is TRUE in the beep-page message that reads; Be illustrated in next system message modification periodic system message so modification is arranged; The terminal begins to read the value tag (value mark) of SIB1 (System Information Block1, System information block 1) in the next system message modification cycle.If value tag has modification, the schedule information according to system message among connection status and the SIB1 reads relevant system message again.If value tag is constant, the paging that current system message is revised is just ignored at the terminal.
Introduce after the ETWS; Owing to support the ETWS terminal will make an immediate response in the current system message modification cycle to the paging of ETWS main notification message; Promptly need read the system information of ETWS main notification message immediately; For fear of the ETWS introducing terminal of not supporting the ETWS function is exerted an influence, so in beep-page message, increase ETWSprimary notification present field.When supporting ETWS function terminal to listen to beep-page message; ETWS primary notification present field is TRUE in the beep-page message that reads; SIB1 is just read in the current system message cycle of revising immediately in the terminal; According among the SIB1 to the schedule information Scheduling information of SIB10 (system information of ETWS main notification message) and SIB11 (system information of the less important notification message of ETWS), read the content of SIB10 and SIB11.So the modification of SIB10 and the modification of SIB11 are all represented through ETWS primary notification present field.
Summary of the invention
The technical problem that the present invention will solve provides a kind of indication, transmission method of system message update of seismic sea wave early warning system, is applied in the LTE system, lets the terminal can distinguish the renewal of ETWS main notification message and the less important notification message of ETWS.
In order to address the above problem, the invention provides a kind of indicating means of seismic sea wave early warning system ETWS system message update, comprising:
When the less important notification message of ETWS upgraded, the base station existed the less important notification message of paging sign indication ETWS outside the ETWS primary notification present field to upgrade with seismic sea wave early warning system main notification message in beep-page message.
Further, described indicating means also comprises:
The base station is not revised next system and is revised the value mark value tag in the System information block 1 in the cycle; Said next system is meant the next system modification cycle behind the beep-page message that sends said indication renewal the modification cycle.
Further, described indicating means also comprises:
When the ETWS main notification message was upgraded, the base station was upgraded with ETWS primarynotification present field indication ETWS main notification message in beep-page message.
Further, said paging sign is used the system message modified logo systemInfoModification in the beep-page message;
The base station is upgraded through the systemInfoModification in the beep-page message being made as the less important notification message of true indication ETWS.
Further, said paging sign is the modified logo to the less important notification message of ETWS that defines in the beep-page message, when this modified logo representes that the less important notification message of ETWS upgrades during for TRUE;
The announcement information that the less important notification message of ETWS upgrades is sent through this modified logo in the beep-page message being made as TRUE in the base station.
The present invention also provides a kind of update method of seismic sea wave early warning system ETWS system message, comprising:
The base station exists the less important notification message of paging sign indication ETWS beyond the ETWS primary notification present field to upgrade with seismic sea wave early warning system main notification message in the beep-page message that is sent;
In the next system modification cycle after sending this beep-page message, the base station transmission comprises the System information block of the less important notification message of ETWS after the renewal.
Further, described update method also comprises: the base station is not revised said next system and is revised the value mark value tag in the System information block 1 in the cycle.
Further, described update method also comprises:
The base station is upgraded with ETWS primary notification present field indication ETWS main notification message in the beep-page message that is sent, and in system's modification cycle of sending this beep-page message, sends the System information block of the ETWS main notification message after comprising renewal.
Further, said paging sign is used the system message modified logo systemInfoModification in the beep-page message; The base station is upgraded through the systemInfoModification in the beep-page message being made as the less important notification message of TRUE indication ETWS.
Further, described update method also comprises:
After the terminal receives beep-page message,, then revise cycle read system message piece 1 in next system message if systemInfoModification is TRUE; If the schedule information of the less important notification message of ETWS system message is arranged in the System information block 1, then the less important notification message of terminal judges ETWS upgrades.
Further, said paging sign is the modified logo to the less important notification message of ETWS that defines in the beep-page message, when this modified logo representes that the less important notification message of ETWS upgrades during for TRUE;
The announcement information that the less important notification message of ETWS upgrades is sent through this modified logo in the beep-page message being made as TRUE in the base station.
Further, described update method also comprises:
After the terminal receives beep-page message,, judge that then the less important notification message of ETWS upgrades if the said modified logo that is directed against the less important notification message of ETWS is TRUE.
The present invention also provides a kind of method of reseptance of seismic sea wave early warning system ETWS system message update, comprising:
If the terminal receives the beep-page message that the less important notification message of indication ETWS upgrades, then read the less important notification message information of ETWS the modification cycle in the next system that receives this beep-page message;
Exist the less important notification message of paging sign indication ETWS outside the ETWS primarynotification present field to upgrade with seismic sea wave early warning system main notification message in the said beep-page message.
Further, described method of reseptance specifically comprises:
The paging sign is used the system message modified logo systemInfoModification in the beep-page message, and the less important notification message of indication ETWS upgrades during for TRUE;
After the terminal receives beep-page message; If systemInfoModification is TRUE; And the schedule information that the less important notification message of ETWS system message is arranged in the System information block 1; Then the less important notification message of terminal judges ETWS upgrades, and the next system message modification cycle after receiving beep-page message is read the less important notification message information of ETWS.
Further, described method of reseptance specifically comprises:
Said paging sign is the special in the less important notification message modified logo of ETWS of redetermination, and the less important notification message of indication ETWS upgrades during for TRUE;
After the terminal receives beep-page message,, judge that then the less important notification message of ETWS upgrades, and reads the less important notification message information of ETWS in the next system message modification cycle if the said modified logo that is directed against the less important notification message of ETWS is TRUE.
Further, described method of reseptance also comprises:
For the terminal of new entering Serving cell with the service of recovering; No matter whether the value mark value tag in its System information block of reading 1 revises; The pairing system message schedule information of the less important notification message of ETWS is arranged in its System information block of reading 1, then read the less important notification message of ETWS again.
Through technical scheme provided by the invention, can let the terminal can distinguish the renewal of ETWS main notification message and the less important notification message of ETWS; Further; Indicate the less important notification message of ETWS to upgrade through the definition of revising paging and value tag; Can only carry out the differentiation that minor modifications just realizes that the terminal is upgraded ETWS master, less important notification message to base station or terminal, well compatible with the existing system ability.
Description of drawings
Fig. 1 is a PLMN operator provides seismic sea wave early warning service to the user through the ETWS system a schematic network structure;
Fig. 2 is that the less important notification message of ETWS upgrades sketch map.
Embodiment
To combine accompanying drawing and embodiment that technical scheme of the present invention is explained in more detail below.
Proposition of the present invention is based on following consideration:
Under actual conditions, the modification of SIB10 and the modification of SIB11 possibly be to take place simultaneously, also might be independent generations.As, in some cases, page notification UE has aftershock to take place, and so only need let UE read new SIB10 information; In some cases, the place that page notification UE obtains assistance changes, and so only need let UE read new SIB11 information.But because the modification of SIB10 and the modification of SIB11 are all represented through ETWS primary notification present field; So when only SIB11 revises; UE has also read the information of a SIB10 again, and whether UE does not know to read SIB10 information and represent to have new aftershock to take place; Equally, when only having only SIB10 that indication takes place, UE also can read the information of SIB11 again.Therefore, the modification of SIB10 and the modification of SIB11 all are can bring the judgement of UE to obscure when representing through ETWSprimary notification present, and the wasting of resources.
For fear of the modification because of the modification of SIB10 and SIB11 all is to represent the problem that causes through ETWS primarynotification present; The present invention proposes a kind of indicating means and transmission method of ETWS system message update; After adopting technical scheme of the present invention; ETWS primary notificationpresent field connotation modify is for only only representing the modification of ETWS main notification message; Thereby the modification of SIB10 and the modification of SIB11 are separated through the tag slot in the beep-page message, avoided obscuring of terminal.
The indicating means of seismic sea wave early warning system ETWS system message update provided by the invention comprises:
When the less important notification message of ETWS upgraded, the base station existed the less important notification message of paging sign indication ETWS beyond the ETWSprimary notification present field to upgrade with seismic sea wave early warning system main notification message in beep-page message.
Further, this indicating means can also comprise:
The base station is not revised next system and is revised the value mark value tag in the System information block 1 in the cycle; Said next system is meant the next system modification cycle behind the beep-page message that sends the less important notification message renewal of said indication ETWS the modification cycle.Such benefit is can compatible non-ETWS terminal, need not make amendment to non-ETWS terminal.
Need to prove: independently updated or when upgrading with the less important notification message of ETWS, the value mark value tag in the System information block 1 may be revised in the base station when other system message (not comprising the ETWS main notification message); And iff to be ETWS less important that notification message upgrades, then do not influence next system to revise the value tag in the System information block 1 in the cycle; And upgrade for the ETWS main notification message, then can not influence next system and revise the value tag in the System information block 1 in the cycle by existing way.
Optional, this indicating means can also comprise:
When the ETWS main notification message was upgraded, the base station was upgraded with ETWS primarynotification present field indication ETWS main notification message in beep-page message.
Optional, said paging sign can be used the system message modified logo systemInfoModification in the beep-page message, and the base station is upgraded through the systemInfoModification in the beep-page message being made as the less important notification message of TRUE indication ETWS.
Can utilize existing field resource when using systemInfoModification, can reasonable compatibility with prior art, and change little.
Optional; Said paging sign also can be a special modified logo to the less important notification message of ETWS of redetermination in the beep-page message; Representing when this modified logo that the less important notification message of ETWS upgrades during for TRUE (it should be noted that; Can certainly define other value during practical application and---such as " 1 "---represent that the less important notification message of ETWS upgrades, but the value that these expressions are upgraded all can be thought " TRUE "); The announcement information that the less important notification message of ETWS upgrades is sent through this modified logo in the beep-page message being made as TRUE in the base station.
The present invention also provides the update method of ETWS system message, comprising:
The base station is upgraded with the less important notification message of the sign of the paging beyond ETWS primary notification present field indication ETWS in the beep-page message that is sent;
In the next system modification cycle after sending this beep-page message, the base station transmission comprises the System information block of the less important notification message of ETWS after the renewal.
Further, this update method can also comprise:
The base station is not revised said next system and is revised the value mark valuetag in the System information block 1 in the cycle.Such benefit is can compatible non-ETWS terminal, need not make amendment to non-ETWS terminal.
Optional, this update method can also comprise:
The base station is upgraded with ETWS primary notification present field indication ETWS main notification message in the beep-page message that is sent, and in system's modification cycle of sending this beep-page message, sends the System information block of the ETWS main notification message after comprising renewal.
Upgrade for the ETWS main notification message, can not influence next system and revise the value tag in the System information block 1 in the cycle by existing way.
Optional, said paging sign can be used the system message modified logo systemInfoModification in the beep-page message, and the base station is upgraded through the systemInfoModification in the beep-page message being made as the less important notification message of TRUE indication ETWS.
Optional, this update method can also corresponding comprising:
After the terminal receives beep-page message,, then read SIB1 in the next system message modification cycle if systemInfoModification is TRUE; If the schedule information of the less important notification message of ETWS system message is arranged among the SIB1, then the less important notification message of terminal judges ETWS upgrades, and reads the less important notification message information of ETWS according to said schedule information in this system message modification cycle.
Optional, for the terminal and the new terminal that gets into Serving cell of the service of recovering, this update method can also corresponding comprising:
SIB1 is read at the terminal, if the pairing system message schedule information of the less important notification message of ETWS is arranged among the SIB1, then the less important notification message of terminal judges ETWS upgrades, and reads the less important notification message information of ETWS in this system message modification cycle.
Optional; Said paging sign also can be a special modified logo to the less important notification message of ETWS of redetermination in the beep-page message; Representing when this modified logo that the less important notification message of ETWS upgrades during for TRUE (it should be noted that; Can certainly define other value during practical application and---such as " 1 "---represent that the less important notification message of ETWS upgrades, but the value that these expressions are upgraded all can be thought " TRUE "); The announcement information that the less important notification message of ETWS upgrades is sent through this modified logo in the beep-page message being made as TRUE in the base station.
Optional, this method can also corresponding comprising:
After the terminal receives beep-page message,, judge that then the less important notification message of ETWS upgrades, and reads the less important notification message information of ETWS in the next system message modification cycle if the said modified logo that is directed against the less important notification message of ETWS is TRUE.
Wherein, the terminal read the concrete implementation of the less important notification message of ETWS can be with existing the same: according to the schedule information of system message among connection status and the SIB1, read the information of SIB11.
Wherein, the terminal can same prior art to the receive mode of the ETWS main notification message after upgrading.
The present invention also provides a kind of method of reseptance of ETWS system message update, is applicable to the terminal that possesses the ETWS function, comprising:
If the terminal receives the beep-page message that the less important notification message of indication ETWS upgrades, then read the less important notification message information of ETWS the modification cycle in the next system that receives this beep-page message;
Upgrade with the less important notification message of the sign of the paging outside ETWS primary notification present field indication ETWS in the said beep-page message.
Optional, this method of reseptance specifically can comprise:
The paging sign is to use the system message modified logo systemInfoModification in the beep-page message, and the less important notification message of indication ETWS upgrades during for TRUE;
After the terminal receives beep-page message; If systemInfoModification is TRUE; And the schedule information that the less important notification message of ETWS system message is arranged among the SIB1; Then the less important notification message of terminal judges ETWS upgrades, and the next system message modification cycle after receiving beep-page message is read the less important notification message information of ETWS.
Optional, for the terminal of new entering Serving cell, no matter whether the value tag among its SIB1 that reads revises, and the pairing system message schedule information of the less important notification message of ETWS is arranged in the SIB1 that it is read, and then reads the less important notification message of ETWS again.
Optional, for the terminal of the service of recovering, no matter whether the value tag among its SIB1 that reads revises, and the pairing system message schedule information of the less important notification message of ETWS is arranged in the SIB1 that it is read, and then reads the less important notification message of ETWS again.
Optional, this method of reseptance specifically can comprise:
Said paging sign is the special in the less important notification message modified logo of ETWS of redetermination, and the less important notification message of indication ETWS upgrades during for TRUE;
After the terminal receives beep-page message,, judge that then the less important notification message of ETWS upgrades, and gets the less important notification message information of ETWS in the next system message modification cycle if the said modified logo that is directed against the less important notification message of ETWS is TRUE.
Wherein, the terminal can same prior art to the receive mode of the ETWS main notification message after upgrading; In addition, after also not getting rid of the terminal during practical application and receiving beep-page message,, in several system message modification cycles, all read the less important notification message information of ETWS from the next system message modification cycle.
For the terminal of no ETWS, when the renewal of ETWS master, less important notification message does not influence next system in the modification cycle during value tag, its method of reseptance can be in full accord with prior art.
Further explain with an application example of the present invention below.
The SIB that carries the less important notification message of ETWS is SIB11, and the less important notification message of complete ETWS need be divided into 4 sections and on SIB11, carry.SIB11 is mapped on the SI-3, and be 320ms the dispatching cycle of SI-3.The system message modification cycle of sub-district is 5.12s, so a system message modification cycle interior one has 16 SIB11.
As shown in Figure 2, the grid of its middle twill is represented SIB11; When the less important notification message of ETWS is revised; The base station is revised cycle n in system message and is sent beep-page message, paging sign using system message modification sign systemInfoModification, the DRX of beep-page message (Discontinuous Reception; Discontinuous reception) cycle is 2.56s; For certain terminal, in a system message modification cycle, paging receiving message chance is arranged twice so.
Revise cycle n+1 in system message, the base station begins SIB11 is mapped to SI-3 in SIB1, and in SIB11 the less important notification message information of the ETWS behind the bearer update.
If support ETWS function terminal, after receiving beep-page message, according to the schedule information of SIB11 among value tag among systemInfoModification, the SIB1 and the SIB1, judgement is that which kind of system message is revised.See the following form 1:
The judgement that revise system message at table 1, ETWS terminal
| systemInfoModification | Value?tag | Schedulinginformationof?SIB11 | ETWS?UE?behavior |
| True | Changed | No | Normal system message update |
| True | Changed | Yes | Normal system message update, and renewal has also taken place in the less important notification message of ETWS simultaneously |
| True | No?change | Yes | Only have only the less important notification message of ETWS that renewal has taken place |
If do not support ETWS function terminal, after receiving beep-page message, judge it is that which kind of system message is revised according to the value tag among systemInfoModification, the SIB1.See the following form 2:
The judgement that revise system message at table 2, non-ETWS terminal
| systemInfoModification | Value?tag | Normal?UE?behavior |
| True | Changed | Normal system message update |
| True | No?change | System message is not upgraded, and UE ignores this subsystem |
| The message modification paging |
So for the terminal of supporting the ETWS function; According to table 1; Revise cycle n in system message and judge that systemInfoModification is True in the beep-page message, revise cycle n+1 in system message and judge that value tag does not revise among the SIB1, and the map information of SIB11 to SI-3 arranged among the SIB1; The terminal thinks that modification has taken place the less important notification message of ETWS so, revises cycle n+1 in system message and reads new SIB11 information.
For the terminal of not supporting the ETWS function; According to table 2; Revise cycle n in system message and judge that systemInfoModification is True in the beep-page message; Revise cycle n+1 in system message and judge that value tag does not revise among the SIB1, think that then normal system message does not have to upgrade, ignore current system message and revise paging.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of claim of the present invention.
Claims (16)
1. the indicating means of a seismic sea wave early warning system ETWS system message update comprises:
When the less important notification message of ETWS upgraded, the base station existed the less important notification message of paging sign indication ETWS outside the ETWS primary notification present field to upgrade with seismic sea wave early warning system main notification message in beep-page message.
2. indicating means as claimed in claim 1 is characterized in that, also comprises:
The base station is not revised next system and is revised the value mark value tag in the System information block 1 in the cycle; Said next system is meant the next system modification cycle behind the beep-page message that sends said indication renewal the modification cycle.
3. indicating means as claimed in claim 1 is characterized in that, also comprises:
When the ETWS main notification message was upgraded, the base station was upgraded with ETWS primary notification present field indication ETWS main notification message in beep-page message.
4. like each described indicating means in the claim 1 to 3, it is characterized in that:
Said paging sign is used the system message modified logo systemInfoModification in the beep-page message;
The base station is upgraded through the systemInfoModification in the beep-page message being made as the less important notification message of true indication ETWS.
5. like each described update method in the claim 1 to 3, it is characterized in that:
Said paging sign is the modified logo to the less important notification message of ETWS that defines in the beep-page message, when this modified logo representes that the less important notification message of ETWS upgrades during for TRUE;
The announcement information that the less important notification message of ETWS upgrades is sent through this modified logo in the beep-page message being made as TRUE in the base station.
6. the update method of a seismic sea wave early warning system ETWS system message comprises:
The base station exists the less important notification message of paging sign indication ETWS beyond the ETWS primary notification present field to upgrade with seismic sea wave early warning system main notification message in the beep-page message that is sent;
In the next system modification cycle after sending this beep-page message, the base station transmission comprises the System information block of the less important notification message of ETWS after the renewal.
7. update method as claimed in claim 6 is characterized in that, also comprises: the base station is not revised said next system and is revised the value mark value tag in the System information block 1 in the cycle.
8. update method as claimed in claim 6 is characterized in that, also comprises:
The base station is upgraded with ETWS primary notification present field indication ETWS main notification message in the beep-page message that is sent, and in system's modification cycle of sending this beep-page message, sends the System information block of the ETWS main notification message after comprising renewal.
9. like each described update method in the claim 6 to 8, it is characterized in that:
Said paging sign is used the system message modified logo systemInfoModification in the beep-page message; The base station is upgraded through the systemInfoModification in the beep-page message being made as the less important notification message of TRUE indication ETWS.
10. update method as claimed in claim 9 is characterized in that, also comprises:
After the terminal receives beep-page message,, then revise cycle read system message piece 1 in next system message if systemInfoModification is TRUE; If the schedule information of the less important notification message of ETWS system message is arranged in the System information block 1, then the less important notification message of terminal judges ETWS upgrades.
11., it is characterized in that like each described update method in the claim 6 to 8:
Said paging sign is the modified logo to the less important notification message of ETWS that defines in the beep-page message, when this modified logo representes that the less important notification message of ETWS upgrades during for TRUE;
The announcement information that the less important notification message of ETWS upgrades is sent through this modified logo in the beep-page message being made as TRUE in the base station.
12. update method as claimed in claim 9 is characterized in that, also comprises:
After the terminal receives beep-page message,, judge that then the less important notification message of ETWS upgrades if the said modified logo that is directed against the less important notification message of ETWS is TRUE.
13. the method for reseptance of a seismic sea wave early warning system ETWS system message update comprises:
If the terminal receives the beep-page message that the less important notification message of indication ETWS upgrades, then read the less important notification message information of ETWS the modification cycle in the next system that receives this beep-page message;
Exist the less important notification message of paging sign indication ETWS outside the ETWS primary notification present field to upgrade with seismic sea wave early warning system main notification message in the said beep-page message.
14. method of reseptance as claimed in claim 13 is characterized in that, specifically comprises:
Paging sign is used the system message modified logo systemInfoModification in the beep-page message, when systemInfoModification during for TRUE the less important notification message of indication ETWS upgrade;
After the terminal receives beep-page message; If systemInfoModification is TRUE; And the schedule information that the less important notification message of ETWS system message is arranged in the System information block 1; Then the less important notification message of terminal judges ETWS upgrades, and the next system message modification cycle after receiving beep-page message is read the less important notification message information of ETWS.
15. method of reseptance as claimed in claim 13 is characterized in that, specifically comprises:
Said paging sign is the special in the less important notification message modified logo of ETWS of redetermination, and the less important notification message of indication ETWS upgrades during for TRUE;
After the terminal receives beep-page message,, judge that then the less important notification message of ETWS upgrades, and reads the less important notification message information of ETWS in the next system message modification cycle if the said modified logo that is directed against the less important notification message of ETWS is TRUE.
16. method of reseptance as claimed in claim 13 is characterized in that, also comprises:
For the terminal of new entering Serving cell with the service of recovering; No matter whether the value mark value tag in its System information block of reading 1 revises; The pairing system message schedule information of the less important notification message of ETWS is arranged in its System information block of reading 1, then read the less important notification message of ETWS again.
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| CN2008101496865A CN101686541B (en) | 2008-09-22 | 2008-09-22 | Indication and transmission method for system message update of earthquake and tsunami warning system |
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| CN2008101496865A CN101686541B (en) | 2008-09-22 | 2008-09-22 | Indication and transmission method for system message update of earthquake and tsunami warning system |
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| JPWO2010150493A1 (en) * | 2009-06-22 | 2012-12-06 | パナソニック株式会社 | Wireless communication terminal, wireless communication base station, and wireless communication system |
| CN102868467B (en) * | 2011-07-08 | 2016-08-03 | 中兴通讯股份有限公司 | ETWS and the method processing ETWS alarm information |
| CN104703144B (en) * | 2013-12-05 | 2018-11-27 | 南京中兴新软件有限责任公司 | A kind of method, apparatus and eNB sending the auxiliary notice of seismic sea wave warning system |
| CN106993280A (en) * | 2016-01-20 | 2017-07-28 | 中兴通讯股份有限公司 | The sending method and device of a kind of assistance messages |
| WO2018174533A1 (en) * | 2017-03-21 | 2018-09-27 | 엘지전자 주식회사 | Method for executing public warning system and device supporting same |
| US11240735B2 (en) * | 2017-05-04 | 2022-02-01 | Nokia Technologies Oy | Communication system |
| WO2021159280A1 (en) * | 2020-02-11 | 2021-08-19 | 华为技术有限公司 | Communication method and apparatus |
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