CN107566068B - The method for sending emergency by frequency modulation broadcasting - Google Patents
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- CN107566068B CN107566068B CN201710817099.8A CN201710817099A CN107566068B CN 107566068 B CN107566068 B CN 107566068B CN 201710817099 A CN201710817099 A CN 201710817099A CN 107566068 B CN107566068 B CN 107566068B
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Abstract
The present invention provides a kind of methods for sending emergency by frequency modulation broadcasting, when generation emergency, when needing to arrange rescue task, transferring and resettling the masses, in order to make information transfer efficiency highest, it can be classified according to target object to emergency, notice whole shooting match carries out the information that defence prepares or directly shifts in this way, then is used as public information, is sent by main channel；Notify that certain department or certain tissue are specifically worked in this way, then it is used as internal information, it is sent by auxiliary channel, not interfered with each other with public information while being sent to corresponding department or tissue, while encrypting code key and can guarantee that internal information by its hetero-organization or personal will not be received and be interpreted.By the above-mentioned means, the safety that emergency can be quickly and accurately sent to corresponding object, and be avoided that interference, guarantee information transmission.
Description
Technical field
The invention belongs to frequency modulation broadcasting information transmit-receive technical field, in particular to one kind sends urgent thing by frequency modulation broadcasting
The method of part.
Background technique
Emergent broadcast refers to public when the burst such as major natural disasters, emergency event, public health and social safety occurs
When crisis, great casualties, property loss, ecological environment destruction and serious social danger are caused or be may cause, is jeopardized
When public safety, emergent broadcast can provide a kind of faster message transmission channel, in first time disaster message or calamity
The harm that evil may cause is transmitted in common people's hand, and the people is allowed to know what has occurred at the first time, it should why
It withdraws, hedging, life and property loss is preferably minimized.On April 22nd, 2013, after the earthquake of Yaan, with " national emergent broadcast "
To wail, the disaster area common people is oriented in sudden disaster event broadcast emergency frequency for the first time.But China is still wide without establishing emergency
System is broadcast, national departments concerned is formulating the standard in relation to emergent broadcast at present.
Sending emergent broadcast by frequency modulation broadcasting is a kind of more common emergent broadcast sending method, generally by mesh
Mark region priority or emergent broadcast priority come identify or arrange broadcasting.But believe for the broadcast of different target group
It ceases, sends information is be easy to cause to repeat to send through the above way, and is easy to be non-for particular department or the information of group
Intended recipient receives, and may cause information leakage.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of methods for sending emergency by frequency modulation broadcasting.
Specific technical solution of the present invention is as follows:
The present invention provides a kind of methods for sending emergency by frequency modulation broadcasting, include the following steps:
S1: control centre obtains doubtful emergency in real time, and extracts at least one subject key words, passes through risk key
Word database filters out emergency, and the emergency is divided into public information according to the target object of the emergency
With two class of internal information；
S2: the control centre determines the sending method of the emergency, described sender formula tool according to classification situation
Body is as follows:
S2.1: when the emergency is public information, the control centre is that a category is added in the emergency
The whole reception terminals signed, and be sent in the central base station service range by the main channel of the central base station carry out slotting
It broadcasts；
S2.2: when the emergency is internal information, the control centre is that two categories are added in the emergency
It signs, includes encryption key in the two classes label, and the central base station is sent to by the auxiliary channel of the central base station and is taken
Specified reception terminal in business range is decoded broadcasting；
S3: the emergency is sent to corresponding reception terminal according to fixed sending method by the central base station
It plays out.
Further, the step S1 includes the following steps:
S1.1: the control centre obtains doubtful emergency in real time, and extracts the transmission of the doubtful emergency
Side, intended recipient and at least one subject key words；
S1.2: when the sender of the doubtful emergency is for legitimate base station and in the risk keyword database
When finding the match information with the subject key words of the doubtful emergency, by the doubtful emergency labeled as urgent
Event；Conversely, being then labeled as non-emergent event；
S1.3: the control centre divides the emergency according to intended recipient, when the intended recipient
When object is all broadcasting users, the emergency is divided into public information；When the intended recipient object is a certain spy
When determining tissue or group, the emergency is divided into internal information.
Further, when the emergency is public information, described sender formula is specific as follows:
S2.1.1: the control centre is that a kind of label is added in the emergency, and one kind label includes in described
Entreat the identification code of base station service range region；
S2.1.2: the central base station receives the emergency with a kind of label, to the emergency
Risk score is carried out, and the whole that the emergency is sent in the service range of the central base station by main channel is connect
Terminal is received, is intercutted according to the case where risk score.
Further, the specific method is as follows for the risk score:
A score is assigned for each of risk keyword database risk keyword；It is crucial from the risk
The corresponding score of the subject key words is searched in word database, and calculates average, and the risk as the emergency is commented
Point；The upper threshold value and lower threshold value of risk score are set, the emergency is classified according to the risk score.
Further, the specific method is as follows for the classification:
When the risk score of emergency is lower than lower threshold value, the emergency is divided into the first estate, is labeled as " one
As "；
When the risk score of emergency is not less than lower threshold value and is not higher than upper threshold value, the emergency is divided into the
Two grades are labeled as " urgent "；
When the risk score of emergency is higher than upper threshold value, the emergency is divided into the tertiary gradient, labeled as " non-
It is often urgent ".
Further, described to intercut that the specific method is as follows:
When the emergency is " general urgent ", the reception terminal is after actual program plays to described tight
Urgent thing part plays out；
When the emergency is " urgent ", the reception terminal pause plays actual program, and to the urgent thing
Part plays out；
When the emergency is " very urgent ", the reception terminal pause plays actual program, and to described tight
Urgent thing part carries out loop play.
Further, when the emergency is internal information, described sender formula is specific as follows:
S2.2.1: the control centre is that two class labels are added in the emergency, and the two classes label includes in described
Entreat the identification code and encryption key of base station service range region；
S2.2.2: the central base station receives the emergency for having the two classes label, and by the urgent thing
Part is sent to the specified reception terminal in the service range of the central base station by auxiliary channel and is decoded broadcasting.
It further, include the Stock discrimination code of the intended recipient object in the encryption key.
Further, the generation method of the Stock discrimination code of the intended recipient object is as follows:
The attribute information for obtaining the reception terminal of all intended recipient objects therefrom extracts at least one all institute
The shared keyword of intended recipient object is stated, converts the keyword to the character string of a string of 16 binary forms, it is as described
Stock discrimination code.
Further, it after the reception terminal receives the emergency, needs to the Stock discrimination code therein
It is verified, the specific method is as follows for the verification:
It is described to receive terminal and convert the character strings of 16 binary forms for the keyword that itself affiliated group shares, and it is described
Stock discrimination code is compared, and such as compares successfully, then the reception terminal is decoded broadcasting to the emergency；Such as comparison
Failure, then the emergency is retracted the central base station by the reception terminal.
Beneficial effects of the present invention are as follows: the present invention provides it is a kind of by frequency modulation broadcasting send emergency method,
When emergency (such as natural calamity or industrial accident) occurs, needs to arrange rescue task, transfer and resettle the masses, in order to
Make information transfer efficiency highest, can be classified according to target object to emergency, notifies whole shooting match to carry out defence in this way
The information for preparing or directly shifting then is used as public information, is sent by the main channel of central base station, to notify
It is sent to whole shooting match；It notifies that certain department or certain tissue are specifically worked in this way, is then used as internal information, passes through central base
The auxiliary channel stood is sent, not interfered with each other with public information while being sent to corresponding department or tissue,
Encrypting code key simultaneously can guarantee that internal information will not be received and be interpreted by its hetero-organization or individual, thus the normal work of interference
It arranges.By the above-mentioned means, emergency can be quickly and accurately sent to corresponding object, and it is avoided that interference, guarantees
The safety of information transmission.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of method that emergency is sent by frequency modulation broadcasting described in embodiment 1；
Fig. 2 is that a kind of sent in the method for emergency by frequency modulation broadcasting as described in example 2 carries out emergency
The method schematic diagram of division；
Fig. 3 is that a kind of sent in the method for emergency by frequency modulation broadcasting as described in example 4 carries out public information
The method schematic diagram that classification is intercutted；
Fig. 4 is a kind of life that Stock discrimination code in the method for emergency is sent by frequency modulation broadcasting described in embodiment 6
At method schematic diagram；
Fig. 5 is that a kind of sent by frequency modulation broadcasting described in embodiment 6 receives terminal to group in the method for emergency
Identify the method schematic diagram of code check.
Specific embodiment
Invention is further described in detail with following embodiment with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, the embodiment of the present invention 1 provides a kind of method for sending emergency by frequency modulation broadcasting, including
Following steps:
S1: control centre obtains doubtful emergency in real time, and extracts at least one subject key words, passes through risk key
Word database filters out emergency, and the emergency is divided into public information according to the target object of the emergency
With two class of internal information；
S2: the control centre determines the sending method of the emergency, described sender formula tool according to classification situation
Body is as follows:
S2.1: when the emergency is public information, the control centre is that a category is added in the emergency
The whole reception terminals signed, and be sent in the central base station service range by the main channel of the central base station carry out slotting
It broadcasts；
S2.2: when the emergency is internal information, the control centre is that two categories are added in the emergency
It signs, includes encryption key in the two classes label, and the central base station is sent to by the auxiliary channel of the central base station and is taken
Specified reception terminal in business range is decoded broadcasting；
S3: the emergency is sent to corresponding reception terminal according to fixed sending method by the central base station
It plays out.
When emergency (such as natural calamity or industrial accident) occurs, needs to arrange rescue task, transfer and resettle group
When many, it can be transmitted by relevant information of the frequency modulation broadcasting to emergency, at this time in order to make information transfer efficiency highest,
It can be classified according to target object to emergency, notify whole shooting match to carry out the letter that defence prepares or directly shifts in this way
Breath is then used as public information, is sent by the main channel of central base station, to send a notification to whole shooting match；Such as
It is to notify that certain department or certain tissue are specifically worked, is then used as internal information, is carried out by the auxiliary channel of central base station
It sends, not interfere with each other with public information while being sent to corresponding department or tissue, while encrypting code key can be with
Guarantee that internal information will not be received and be interpreted by its hetero-organization or individual, to interfere normal job placement.Pass through above-mentioned side
Emergency can be quickly and accurately sent to corresponding object by formula, and the safety for being avoided that interference, guaranteeing information transmission
Property.
Embodiment 2
As shown in Fig. 2, the present embodiment 2 provides one kind on the basis of embodiment 1 sends urgent thing by frequency modulation broadcasting
The method of part, the embodiment 2 further define the step S 1 and include the following steps:
S1.1: the control centre obtains doubtful emergency in real time, and extracts the transmission of the doubtful emergency
Side, intended recipient and at least one subject key words；
S1.2: when the sender of the doubtful emergency is for legitimate base station and in the risk keyword database
When finding the match information with the subject key words of the doubtful emergency, by the doubtful emergency labeled as urgent
Event；Conversely, being then labeled as non-emergent event；
S1.3: the control centre divides the emergency according to intended recipient, when the intended recipient
When object is all broadcasting users, the emergency is divided into public information；When the intended recipient object is a certain spy
When determining tissue or group, the emergency is divided into internal information.
The information that broadcast base station obtains it should judge whether it is genuine emergency, and judgment method is to extract first
Keyword is compared；When certain event is confirmed as emergency, then judge the emergency for public information or internal letter
Breath, is sent in the mode that will pass through different.
Embodiment 3
The present embodiment 3 provides a kind of method for sending emergency by frequency modulation broadcasting on the basis of embodiment 1, should
Embodiment 3 is further defined when the emergency is public information, and described sender formula is specific as follows:
S2.1.1: the control centre is that a kind of label is added in the emergency, and one kind label includes in described
Entreat the identification code of base station service range region；
S2.1.2: the central base station receives the emergency with a kind of label, to the emergency
Risk score is carried out, and the whole that the emergency is sent in the service range of the central base station by main channel is connect
Terminal is received, is intercutted according to the case where risk score.
An a kind of label is added for public information, includes the knowledge of central base station service range region in a kind of label
Other code, can be postcode, area code or the area code of locality, which can play regional recognition reaction, connect
Receiving terminal can determine whether to receive according to the identification code, play the public information, and information is avoided excessively to interfere.
Embodiment 4
As shown in figure 3, the present embodiment 4 provides one kind on the basis of embodiment 1 sends urgent thing by frequency modulation broadcasting
The method of part, which further defines the risk score, and the specific method is as follows:
A score is assigned for each of risk keyword database risk keyword；It is crucial from the risk
The corresponding score of the subject key words is searched in word database, and calculates average, and the risk as the emergency is commented
Point；The upper threshold value and lower threshold value of risk score are set, the emergency is classified according to the risk score.
The specific method is as follows for the classification:
When the risk score of emergency is lower than lower threshold value, the emergency is divided into the first estate, is labeled as " one
As "；
When the risk score of emergency is not less than lower threshold value and is not higher than upper threshold value, the emergency is divided into the
Two grades are labeled as " urgent "；
When the risk score of emergency is higher than upper threshold value, the emergency is divided into the tertiary gradient, labeled as " non-
It is often urgent ".
It is described to intercut that the specific method is as follows:
When the emergency is " general urgent ", the reception terminal is after actual program plays to described tight
Urgent thing part plays out；
When the emergency is " urgent ", the reception terminal pause plays actual program, and to the urgent thing
Part plays out；
When the emergency is " very urgent ", the reception terminal pause plays actual program, and to described tight
Urgent thing part carries out loop play.
According to risk class, emergency is intercutted in different ways, is guaranteeing that target object timely receives
Under the premise of emergency, reduce the influence to the normal broadcast listening of terminal is received as far as possible.
Embodiment 5
The present embodiment 5 provides a kind of method for sending emergency by frequency modulation broadcasting on the basis of embodiment 1, should
Embodiment 5 is further defined when the emergency is internal information, and described sender formula is specific as follows:
S2.2.1: the control centre is that two class labels are added in the emergency, and the two classes label includes in described
Entreat the identification code and encryption key of base station service range region；
S2.2.2: the central base station receives the emergency for having the two classes label, and by the urgent thing
Part is sent to the specified reception terminal in the service range of the central base station by auxiliary channel and is decoded broadcasting.
The identification code of central base station service range region, the identification are also required in two class labels of internal information addition
It acts on identical in code and a kind of label, regional recognition reaction can be played, reception terminal can determine whether according to the identification code
It receives, play the public information, information is avoided excessively to interfere；But for internal information because be related to particular department or
The job placement of organization internal, therefore also encrypted, avoid information by its hetero-organization or personal reception and interpreted, thus
Interfere normal job placement
Embodiment 6
The present embodiment 6 provides a kind of method for sending emergency by frequency modulation broadcasting on the basis of embodiment 5, should
Embodiment 6 further defines the Stock discrimination code in the encryption key comprising the intended recipient object.
As shown in figure 4, the generation method for stating the Stock discrimination code of intended recipient object is as follows:
The attribute information for obtaining the reception terminal of all intended recipient objects therefrom extracts at least one all institute
The shared keyword of intended recipient object is stated, converts the keyword to the character string of a string of 16 binary forms, it is as described
Stock discrimination code.
Using the keyword for receiving the shared attribute information of terminal as Stock discrimination code, can be broken to avoid by other terminals
Solution, and interpreted convenient for intended recipient terminal；The character string of 16 binary forms includes long number and letter, in this, as
Its safety can be improved in the form of Stock discrimination code.
As shown in figure 5, needing after the reception terminal receives the emergency to the Stock discrimination code therein
It is verified, the specific method is as follows for the verification:
It is described to receive terminal and convert the character strings of 16 binary forms for the keyword that itself affiliated group shares, and it is described
Stock discrimination code is compared, and such as compares successfully, then the reception terminal is decoded broadcasting to the emergency；Such as comparison
Failure, then the emergency is retracted the central base station by the reception terminal.
Since Stock discrimination code is generated by the attribute keywords that reception terminal shares, non-targeted reception terminal is inevitable not
With the keyword, thus only need to extract receive terminal keyword and be converted to 16 system character strings, with Stock discrimination code into
Row is reversed to be compared, that is, can determine whether the reception terminal is intended recipient terminal.It as a result, both can be to avoid information by non-targeted end
End is cracked, and can guarantee the reliability of comparison result.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of method for sending emergency by frequency modulation broadcasting, which comprises the steps of:
S1: control centre obtains doubtful emergency in real time, and extracts at least one subject key words, passes through risk keyword number
Emergency is filtered out according to library, and the emergency is divided by public information according to the intended recipient object of the emergency
With two class of internal information；
S2: the control centre determines the sending method of the emergency according to classification situation, and described sender formula is specifically such as
Under:
S2.1: when the emergency is public information, the control centre is a kind of label of emergency addition, and
Whole terminals that receive in the central base station service range are sent to by the main channel of central base station to be intercutted；
Described sender formula is specific as follows:
S2.1.1: the control centre is that a kind of label is added in the emergency, and one kind label includes the central base
The identification code of service range of standing region；
S2.1.2: the central base station receives the emergency with a kind of label, carries out to the emergency
Risk score, and whole receptions that the emergency is sent in the service range of the central base station by main channel are whole
End, is intercutted according to the case where risk score；
S2.2: when the emergency is internal information, the control centre is that two class labels, institute are added in the emergency
It states comprising encryption key in two class labels, and the central base station service range is sent to by the auxiliary channel of the central base station
Interior specified reception terminal is decoded broadcasting；
S3: the emergency is sent to the corresponding terminal that receives according to fixed sending method and carried out by the central base station
It plays.
2. the method as described in claim 1 for sending emergency by frequency modulation broadcasting, which is characterized in that the step S1 packet
Include following steps:
S1.1: the control centre obtains doubtful emergency in real time, and extracts the sender of the doubtful emergency, mesh
Tag splice debit and at least one subject key words；
S1.2: when the sender of the doubtful emergency is legitimate base station and is searched in the risk keyword database
To the subject key words with the doubtful emergency match information when, by the emergency be labeled as emergency；Instead
It, then be labeled as non-emergent event；
S1.3: the control centre divides the emergency according to intended recipient, when the intended recipient object
When for all broadcasting users, the doubtful emergency is divided into public information；When the intended recipient object is a certain spy
When determining tissue or group, the emergency is divided into internal information.
3. the method as described in claim 1 for sending emergency by frequency modulation broadcasting, which is characterized in that the risk score
The specific method is as follows:
A score is assigned for each of risk keyword database risk keyword；From the risk keyword number
According to searching the corresponding score of the subject key words in library, and average is calculated, the risk score as the emergency；If
The upper threshold value and lower threshold value for setting risk score are classified the emergency according to the risk score.
4. the method as claimed in claim 3 for sending emergency by frequency modulation broadcasting, which is characterized in that the tool of the classification
Body method is as follows:
When the risk score of emergency is lower than lower threshold value, the emergency is divided into the first estate, is labeled as " general "；
When the risk score of emergency is not less than lower threshold value and is not higher than upper threshold value, the emergency is divided into second etc.
Grade is labeled as " urgent "；
When the risk score of emergency is higher than upper threshold value, the emergency is divided into the tertiary gradient, labeled as " very tight
It is anxious ".
5. the method as claimed in claim 4 for sending emergency by frequency modulation broadcasting, which is characterized in that the tool intercutted
Body method is as follows:
When the emergency is " general urgent ", the reception terminal is after actual program plays to the urgent thing
Part plays out；
When the emergency is " urgent ", the receptions terminal suspends broadcasting actual program, and to the emergency into
Row plays；
When the emergency is " very urgent ", the reception terminal pause plays actual program, and to the urgent thing
Part carries out loop play.
6. the method as described in claim 1 for sending emergency by frequency modulation broadcasting, which is characterized in that when the urgent thing
When part is internal information, described sender formula is specific as follows:
S2.2.1: the control centre is that two class labels are added in the emergency, and the two classes label includes the central base
The identification code and encryption key of service range of standing region；
S2.2.2: the central base station receives the emergency for having the two classes label, and the emergency is led to
It crosses the specified reception terminal that auxiliary channel is sent in the service range of the central base station and is decoded broadcasting.
7. the method as claimed in claim 6 for sending emergency by frequency modulation broadcasting, which is characterized in that the encryption key
In include the intended recipient object Stock discrimination code.
8. the method as claimed in claim 7 for sending emergency by frequency modulation broadcasting, which is characterized in that the intended recipient
The generation method of the Stock discrimination code of object is as follows:
The attribute information for obtaining the reception terminal of all intended recipient objects therefrom extracts at least one all described mesh
Tag splice receives the shared keyword of object, converts the keyword to the character string of a string of 16 binary forms, the as described group
Identification code.
9. the method as claimed in claim 8 for sending emergency by frequency modulation broadcasting, which is characterized in that the reception terminal
After receiving the emergency, need to verify the Stock discrimination code therein, the specific method of the verification is such as
Under:
The character string for receiving terminal and converting the keyword that itself affiliated group shares to 16 binary forms, with the group
Identification code is compared, and such as compares successfully, then the reception terminal is decoded broadcasting to the emergency；Such as compare mistake
It loses, then the emergency is retracted the central base station by the reception terminal.
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| CN101821972A (en) * | 2007-10-05 | 2010-09-01 | 高通股份有限公司 | Location and time based filtering of broadcast information |
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| CN107135043A (en) * | 2017-05-05 | 2017-09-05 | 中广热点云科技有限公司 | Public emergency broadcast system |
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| JP3110388B2 (en) * | 1998-08-19 | 2000-11-20 | 静岡日本電気株式会社 | Wireless selective call receiving method, apparatus and wireless selective call system |
| JP4263377B2 (en) * | 2001-03-15 | 2009-05-13 | 日本放送協会 | Position-linked data broadcasting service method and receiving apparatus |
| US20030093789A1 (en) * | 2001-11-09 | 2003-05-15 | John Zimmerman | Systems for monitoring broadcast content and generating notification signals as a function of subscriber profiles and methods of operating the same |
| CN101567118A (en) * | 2008-04-21 | 2009-10-28 | 向国威 | Disaster condition information publication and receiving device |
| US9706263B2 (en) * | 2015-04-03 | 2017-07-11 | At&T Intellectual Property I, L.P. | System and method for providing location-dependent emergency alert services |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101821972A (en) * | 2007-10-05 | 2010-09-01 | 高通股份有限公司 | Location and time based filtering of broadcast information |
| CN105703860A (en) * | 2016-03-15 | 2016-06-22 | 北京数码视讯科技股份有限公司 | Emergency broadcast method and emergency broadcast device |
| CN107135043A (en) * | 2017-05-05 | 2017-09-05 | 中广热点云科技有限公司 | Public emergency broadcast system |
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Denomination of invention: Method of sending emergency through FM broadcast Effective date of registration: 20210622 Granted publication date: 20190702 Pledgee: Beijing culture science and technology financing Company limited by guarantee Pledgor: CBC CLOUD TECHNOLOGY Co.,Ltd. Registration number: Y2021980005035 |