CN111836217B - Intercommunication system for public network cluster and digital cluster - Google Patents
Intercommunication system for public network cluster and digital cluster Download PDFInfo
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- CN111836217B CN111836217B CN202010603844.0A CN202010603844A CN111836217B CN 111836217 B CN111836217 B CN 111836217B CN 202010603844 A CN202010603844 A CN 202010603844A CN 111836217 B CN111836217 B CN 111836217B
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
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Abstract
The invention relates to a intercommunication system for public network cluster and digital cluster, the system includes: the system comprises a public network cluster module, a digital cluster module and a gateway module; the digital cluster module comprises a plurality of digital cluster terminals; the public network cluster module is connected with the digital cluster module through the gateway module; the public network cluster module is used for sending a first signaling to the gateway module; and the gateway module is used for generating first data according to the first signaling and sending the first data to the corresponding digital trunking terminal according to a preset mapping table. The talkback system for intercommunication between the public network cluster and the digital cluster realizes service conversion between the public network cluster module and the digital cluster module by presetting the mapping table in the gateway module, and can realize voice intercommunication and service intercommunication.
Description
Technical Field
The invention relates to the technical field of voice communication talkback, in particular to a talkback system for intercommunication between a public network cluster and a digital cluster.
Background
The trunking intercom system is a mobile communication system for commanding and dispatching, is widely applied to enterprises and public institutions and group departments such as public security, fire protection, traffic, government and the like, and provides work management and command and dispatching services.
The Push-to-Talk Over Cellular (Push-to-Talk Over Cellular) public network trunking talkback is a communication talkback system established by depending on an operator mobile communication network. The client is deployed on the mobile intelligent terminal in a soft talkback APP mode, and the interphone function can be achieved, and the PoC talkback has obvious advantages in terminal cost and using distance.
PDT (Professional Digital Trunking) belongs to public security private network Trunking talkback, relies on a self-built base station system, and has the advantages of safety, stability, high call completing rate, difficulty in being influenced by network fluctuation and the like, but the system coverage is limited, and the limitation of distance is obvious.
PoC public network cluster talkback and PDT digital cluster talkback have respective characteristics and application scenes, and can be mutually supplemented. The two sets of systems are enabled to realize interconnection and intercommunication, which is very important in the field of trunking talkback, so that on one hand, the core service capability of a public security trunking network is ensured, and on the other hand, the trunking talkback capability is expanded rapidly at low cost.
However, in the current interworking scheme between PoC public network talkback and PDT trunking talkback in the market, only PoC public network talkback is supported, PDT digital trunking talkback is not supported, and complete interworking talkback cannot be realized.
Disclosure of Invention
Therefore, it is necessary to provide an intercommunication system for intercommunication between public network clusters and digital clusters, aiming at the problems of supporting only PoC public network intercommunication and not supporting PDT digital cluster intercommunication.
An intercom system interworking a public network cluster and a digital cluster, said system comprising: the system comprises a public network cluster module, a digital cluster module and a gateway module; the digital cluster module comprises a plurality of digital cluster terminals;
the public network cluster module is connected with the digital cluster module through the gateway module;
the public network cluster module is used for sending a first signaling to the gateway module;
and the gateway module is used for generating first data according to the first signaling and sending the first data to the corresponding digital trunking terminal according to a preset mapping table.
In one embodiment, the digital trunking terminal is configured to send second data to the gateway module;
the gateway module is further configured to generate a second signaling according to the second data, and send the second signaling to the public network cluster module.
In one embodiment, the gateway module comprises a forwarding unit and a caching unit;
the forwarding unit is connected with the digital trunking terminal and used for generating first data according to the first signaling and sending the first data to the corresponding digital trunking terminal according to a preset mapping table; and/or generating a second signaling according to the second data, and sending the second signaling to the public network cluster module;
the cache unit is respectively connected with the forwarding unit and the public network cluster module and is used for caching the first signaling sent by the public network cluster module.
In one embodiment, the digital cluster module further comprises a base station unit;
the base station unit is connected with the plurality of digital trunking terminals and is used for receiving the second data sent by the digital trunking terminals and sending the second data to the gateway module; and/or receiving the first data sent by the gateway module, and forwarding the first data to the corresponding digital trunking terminal.
In one embodiment, the first signaling and the second signaling comprise information of canceling user speaking authority and/or information of current speaking user.
In one embodiment, the digital cluster module is further configured to send third data to the gateway module;
and the gateway module generates a real-time data packet according to the third data and sends the real-time data packet to the public network cluster module.
In one embodiment, the third data includes at least one of a public network cluster group number, a public network cluster single number and a digital cluster single number, and the real-time data packet includes an extension header, and the extension header is used for storing at least one of the public network cluster group number, the public network cluster single number and the digital cluster single number.
In one embodiment, the gateway module is further configured to detect whether the digital trunking single number in the real-time data packet is recognizable by the public network trunking module;
if the digital cluster single number can be identified by the public network cluster module, the real-time data packet is sent to the public network cluster module;
and if the digital cluster single number cannot be identified by the public network cluster module, adding an identity into the digital cluster single number, and sending the real-time data packet to the public network cluster module.
In one embodiment, the public network cluster module comprises a plurality of public network cluster terminals;
and the public network cluster terminal is used for analyzing the real-time data packet and displaying the content in the real-time data packet.
In one embodiment, the digital cluster module comprises a plurality of gateway modules and a plurality of corresponding gateway modules;
and the plurality of digital cluster modules are connected with the public network cluster module through the corresponding gateway modules.
The talkback system for intercommunication between the public network cluster and the digital cluster realizes service conversion between the public network cluster module and the digital cluster module by presetting the mapping table in the gateway module, and can realize voice intercommunication and service intercommunication.
The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below to provide a more concise and understandable description of the application, and features, objects, and advantages of the application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic block diagram of an intercom system in which a public network cluster and a digital cluster are intercommunicated according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of an intercom system in which a public network cluster and a digital cluster are intercommunicated according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application.
It is obvious that the drawings in the following description are only examples or embodiments of the present application, and that it is also possible for a person skilled in the art to apply the present application to other similar contexts on the basis of these drawings without inventive effort. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the invention (including a single reference) are to be construed in a non-limiting sense as indicating either the singular or the plural. The use of the terms "including," "comprising," "having," and any variations thereof herein, is meant to cover a non-exclusive inclusion; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Reference to "connected," "coupled," and the like in this application is not intended to be limited to physical or mechanical connections, but rather can include electrical connections, whether direct or indirect. The term "plurality" as referred to herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.
The intercommunication system for intercommunication between the public network cluster and the digital cluster mainly realizes service intercommunication on the basis of intercommunication voice of the public network cluster intercommunication and the digital cluster equipment through establishing a group information mapping relation and increasing an extension head of a real-time data packet, supports simultaneous access of gateways of a plurality of digital clusters, can display information of a speaker on the public network cluster terminal 110 and the digital cluster terminal 310, and is more in line with use habits of users. The Real-time data packet is based on a data packet generated by a Real-time Transport Protocol (RTP).
As shown in fig. 1, the intercom system for interworking the public network cluster and the digital cluster includes: the system comprises a public network cluster module 10, a digital cluster module 30 and a gateway module 20, wherein the public network cluster module 10 is connected with the digital cluster module 30 through the gateway module 20. The digital trunking module 30 includes a plurality of digital trunking terminals 310, the public network trunking module 10 includes a plurality of public network trunking terminals 110, and the public network trunking module 10 is connected to the digital trunking module 30 through the gateway module 20. Specifically, the public network cluster module 10 is configured to send a first signaling to the gateway module 20. The gateway module 20 is configured to generate first data according to the first signaling, and send the first data to the corresponding digital trunking terminal 310 according to a preset mapping table. In this embodiment, the public network cluster module 10 generates the first signaling, and sends the first signaling to the gateway module 20. The gateway module 20 converts the first signaling into the first data, and sends the first data to the corresponding digital trunking terminal 310 according to a preset mapping table, so that the public network trunking terminal 110 in the public network trunking module 10 is connected with the digital trunking terminal 310, and the connected public network trunking terminal 110 and the digital trunking terminal 310 can perform data interaction and data intercommunication of service information and voice information. The first data and the first signaling are application commands for the public network trunking terminal 110 to apply for connection with the digital trunking terminal 310. The first data can be recognized by the digital trunking terminal 310 and the first signaling can be recognized by the public network trunking terminal 110.
Optionally, the digital trunking terminal 310 is further configured to send second data to the gateway module 20. The gateway module 20 is further configured to generate a second signaling according to the second data, and send the second signaling to the public network cluster module 10. Wherein, the second data and the second signaling are application commands for the digital trunking terminal 310 to apply for connection with the public network trunking terminal 110. The second data can be recognized by the digital trunking terminal 310, and the second signaling can be recognized by the public network trunking terminal 110. The first signaling and the second signaling comprise information of canceling user speaking authority and/or information of a current speaking user. Specifically, the gateway module 20 receives second data of the digital trunking terminal 310, generates a second signaling according to the second data, and sends the second signaling to the public network trunking module 10. The public network cluster module 10 receives the second signaling, processes the second signaling to generate a processing result, and sends the processing result to the gateway module 20, and the gateway module 20 sends the processing result to the digital processing terminal. Further, the gateway module 20 receives second data of the digital trunking terminal 310, detects whether the digital trunking terminal 310 and the public network trunking terminal 110 are in an intercom group connected to each other, and if the digital trunking terminal 310 and the public network trunking terminal 110 are in an intercom group connected to each other, directly sends the second data to the corresponding public network trunking terminal 110; and if the first data is not in the interconnected talkback group, generating a second signaling according to the second data, and sending the second signaling to the public network cluster module 10. In this embodiment, the digital trunking terminal 310 sends the second data to the gateway module 20, and the gateway module 20 converts the second data into a second signaling and sends the second signaling to the public network trunking module 10, so that the public network trunking terminal 110 in the public network trunking module 10 is connected to the digital trunking terminal 310, and the connected public network trunking terminal 110 and the digital trunking terminal 310 may perform data interaction and communicate data of service information and voice information. In another embodiment, the digital trunking terminal 310 sends the second data to the gateway module 20, the gateway module 20 checks whether the digital trunking terminal 310 and the public network trunking terminal 110 are in the same talkback group, if so, the digital trunking terminal 310 and the public network trunking terminal 110 are directly connected, and the connected public network trunking terminal 110 and the digital trunking terminal 310 can perform data interaction and intercommunicate data of service information and voice information; if the first data is not in the same talkback group, the gateway module 20 converts the second data into a second signaling, and sends the second signaling to the public network trunking module 10, so that the public network trunking terminal 110 in the public network trunking module 10 is connected with the digital trunking terminal 310, and the connected public network trunking terminal 110 and the digital trunking terminal 310 can perform data interaction and data intercommunication of service information and voice information.
Optionally, the digital cluster module 30 is further configured to send third data to the gateway module 20. The gateway module 20 generates a real-time data packet according to the third data, and sends the real-time data packet to the public network cluster module 10. The real-time data packet comprises an extension head, and the extension head is used for storing at least one of the public network cluster group number, the public network cluster single number and the digital cluster single number. The public network cluster group number is the number of the public network cluster terminal 110, the public network cluster single number is the number allocated to the public network cluster module 10 by the gateway module 20, and the digital cluster single number is the number allocated to the gateway module 20 by the public network cluster module 10. In this embodiment, the public network cluster module 10 does not record information of a plurality of digital cluster terminals 310 in the digital cluster module 30, and the gateway module 20 is responsible for maintaining mapping from the public network cluster module 10 to the digital cluster module 30. A mapping table is preset on the gateway module 20, the gateway module 20 receives third data sent by the public network cluster module 10 to the gateway module 20, and the public network cluster module 10 is used as a called number as a mark, and the calling number fills in a public network cluster list number. The gateway module 20 is preset with a mapping table, the public network cluster group number corresponds to the public network cluster single number, and the public network cluster single number is obtained by searching the public network cluster group number. And the gateway module 20 sends third data to the public network cluster module 10, where the third data carries a public network cluster number and a digital cluster single number. Further, the format of the real-time data packet extension header is as follows:
the real-time packet uses an extension header, and when X is 1, it indicates that the extension header is used. The standard form of the extension head is:
if the real-time data packet does not define the extension header, the defined by Profile is defined as all 0 s.
length-12 (number of bytes/4).
Wherein, the header extension format is:
a total of 48 bytes (excluding 4 bytes of defined by profile and length) is occupied, where conference _ name is the talkgroup number to the public network cluster module. has _ opener is 1 to start talking and 0 to end talking or mute packet (mute packet is for NAT keep). cur _ spk _ domain _ ID is the current speaker domain ID, cur _ spk _ usr _ ID is the current speaker, and the gateway module adds "PDT: number cluster sheet "identification.
Optionally, the public network cluster terminal 110 further includes a public network cluster service 120, where the public network cluster service 120 is respectively connected to the gateway module 20 and the plurality of public network cluster terminals 110, and is configured to forward the information sent by the gateway module 20 to the corresponding public network cluster terminal 110; or forward the information sent by the public network trunking terminal 110 to the corresponding gateway module 20.
Optionally, the gateway module 20 includes a forwarding unit and a buffering unit. Specifically, the forwarding unit is connected to the digital trunking terminal 310, and configured to generate first data according to the first signaling, and send the first data to the corresponding digital trunking terminal 310 according to a preset mapping table; and/or generating a second signaling according to the second data, and sending the second signaling to the public network cluster module 10. The cache unit is connected to the forwarding unit and the public network cluster module 10, and configured to cache the first signaling sent by the public network cluster module 10, and add a cache mechanism to avoid data loss.
Fig. 2 is a block diagram of an intercom system in which a public network cluster and a digital cluster are intercommunicated according to another embodiment of the present invention.
In this embodiment, the public network cluster module 10 of the intercom system communicating the public network cluster and the digital cluster is provided with a plurality of public network cluster intercom groups 130, and each public network cluster intercom group 130 includes one or more public network cluster terminals 110. The digital trunking module 30 is provided with a plurality of digital trunking talkback groups 330, and each digital trunking talkback group 330 includes one or more digital trunking terminals 310. The connection between the public network trunking talkback group 130 and the digital trunking talkback group 330 can be established, and after the connection is established, data interaction can be directly performed without the public network trunking service 120.
Optionally, the digital cluster module 30 further comprises a base station unit 320. Specifically, the base station unit 320 is connected to a plurality of digital trunking terminals 310, and is configured to receive the second data sent by the digital trunking terminals 310 and send the second data to the gateway module 20; and/or receive the first data sent by the gateway module 20, and forward the first data to the corresponding digital trunking terminal 310. The base station unit 320 is configured to improve the stability of the connection between the plurality of digital trunking terminals 310 and the gateway module 20.
Optionally, the gateway module 20 is further configured to detect whether the digital trunking number in the real-time data packet can be identified by the public network trunking module 10; if the digital cluster sheet number can be identified by the public network cluster module 10, sending the real-time data packet to the public network cluster module 10; if the digital cluster sheet number cannot be identified by the public network cluster module 10, adding an identity to the digital cluster sheet number, and sending the real-time data packet to the public network cluster module 10. And the identity mark is an identity code of the digital trunking terminal. Specifically, the public network cluster module 10 forwards the real-time data packet with the public network cluster group number or the digital cluster single number to the public network cluster terminal 110 in the corresponding public network cluster group, and the public network cluster terminal 110 is configured to analyze the real-time data packet and display the content in the real-time data packet. In this embodiment, the public network cluster module 10 does not process the digital cluster number in the real-time data packet extension header, and the public network cluster terminal 110 directly presents the digital cluster number in the extension header in an interface manner.
Optionally, the intercom system that the public network cluster and the digital cluster are intercommunicated includes a plurality of gateway modules 20 and a plurality of digital cluster modules 30 corresponding to the gateway modules 20. The digital cluster modules 30 are connected to the public network cluster module 10 through the corresponding gateway module 20. Specifically, each gateway module 20 is equivalent to one public network trunking terminal 110, and the gateway module 20 only needs a mapping table between the digital trunking terminal 310 managed by itself and the public network trunking module 10. The mapping table includes a mapping relationship between the gateway module 20 and the public network trunking terminal 110 in the public network trunking module 10 or other gateway modules 20.
The calling process of the public network cluster module 10 is as follows: the public network cluster module 10 generates the first signaling, and sends the first signaling to the gateway module 20. The gateway module 20 converts the first signaling into the first data, and sends the first data to the corresponding digital trunking terminal 310 according to a preset mapping table, so that the public network trunking terminal 110 in the public network trunking module 10 is connected with the digital trunking terminal 310, and the connected public network trunking terminal 110 and the digital trunking terminal 310 can perform data interaction and data intercommunication of service information and voice information. The digital cluster module 30 sends third data to the gateway module 20. The gateway module 20 generates a real-time data packet according to the third data, and sends the real-time data packet to the public network cluster module 10.
The process of the digital cluster module 30 for calling is as follows: the digital trunking terminal 310 sends the second data to the gateway module 20, the gateway module 20 checks whether the digital trunking terminal 310 and the public network trunking terminal 110 are in the same talkback group, if so, the digital trunking terminal 310 and the public network trunking terminal 110 are directly connected, and the connected public network trunking terminal 110 and the digital trunking terminal 310 can perform data interaction, service information and voice information data intercommunication; if the first data is not in the same talkback group, the gateway module 20 converts the second data into a second signaling, and sends the second signaling to the public network trunking module 10, so that the public network trunking terminal 110 in the public network trunking module 10 is connected with the digital trunking terminal 310, and the connected public network trunking terminal 110 and the digital trunking terminal 310 can perform data interaction and data intercommunication of service information and voice information.
The intercommunication system for the public network cluster and the digital cluster realizes the service conversion between the public network cluster module 10 and the digital cluster module 30 by presetting the mapping table in the gateway module 20, can realize voice intercommunication and service intercommunication by utilizing the expansion head of the real-time data packet to carry user information, and supports the butt joint of a plurality of gateway modules 20.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (9)
1. An intercom system interworking a public network cluster and a digital cluster, said system comprising: the system comprises a public network cluster module, a plurality of gateway modules and digital cluster modules corresponding to the gateway modules respectively; the digital cluster module comprises a plurality of digital cluster terminals; the plurality of digital cluster modules are respectively connected with the public network cluster module through the corresponding gateway modules;
the public network cluster module is connected with the digital cluster module through the gateway module;
the public network cluster module is used for sending a first signaling to the gateway module, wherein the first signaling comprises information of canceling user speaking authority and/or information of a current speaking user;
the gateway module is used for generating first data according to the first signaling and sending the first data to the corresponding digital trunking terminal according to a preset mapping table; the preset mapping table includes mapping relationships between the plurality of gateway modules and public network cluster terminals in the public network cluster modules or other gateway modules.
2. The system of claim 1, wherein the digital trunking terminal is configured to send second data to the gateway module;
the gateway module is further configured to generate a second signaling according to the second data, and send the second signaling to the public network cluster module.
3. The system of claim 2, wherein the gateway module comprises a forwarding unit and a caching unit;
the forwarding unit is connected with the digital trunking terminal and used for generating first data according to the first signaling and sending the first data to the corresponding digital trunking terminal according to a preset mapping table; and/or generating a second signaling according to the second data, and sending the second signaling to the public network cluster module;
the cache unit is respectively connected with the forwarding unit and the public network cluster module and is used for caching the first signaling sent by the public network cluster module.
4. The system of claim 2, wherein the digital cluster module further comprises a base station unit;
the base station unit is connected with the plurality of digital trunking terminals and is used for receiving the second data sent by the digital trunking terminals and sending the second data to the gateway module; and/or receiving the first data sent by the gateway module, and forwarding the first data to the corresponding digital trunking terminal.
5. The system of claim 3, wherein the second signaling comprises canceling user speaking authority information and/or current speaking user information.
6. The system of claim 1, wherein the digital cluster module is further configured to send third data to the gateway module;
and the gateway module generates a real-time data packet according to the third data and sends the real-time data packet to the public network cluster module.
7. The system of claim 6, wherein the third data includes at least one of a public network cluster group number, a public network cluster single number, and a digital cluster single number, and wherein the real-time data packet includes an extension header for storing the at least one of the public network cluster group number, the public network cluster single number, and the digital cluster single number.
8. The system of claim 7, wherein the gateway module is further configured to detect whether the digital trunking number in the real-time data packet is recognizable by the public network trunking module;
if the digital cluster single number can be identified by the public network cluster module, the real-time data packet is sent to the public network cluster module;
and if the digital cluster single number cannot be identified by the public network cluster module, adding an identity into the digital cluster single number, and sending the real-time data packet to the public network cluster module.
9. The system of claim 7, wherein the public network cluster module comprises a plurality of public network cluster terminals; and the public network cluster terminal is used for analyzing the real-time data packet and displaying the content in the real-time data packet.
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