CN1988694A - Method for multimedia service system connecting with digital cluster system and service system - Google Patents

Method for multimedia service system connecting with digital cluster system and service system Download PDF

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Publication number
CN1988694A
CN1988694A CN200510130728.7A CN200510130728A CN1988694A CN 1988694 A CN1988694 A CN 1988694A CN 200510130728 A CN200510130728 A CN 200510130728A CN 1988694 A CN1988694 A CN 1988694A
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media
service system
digital cluster
digital
cluster system
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CN100486364C (en
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甘露
李立平
耿兆森
谢国胜
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ZTE Corp
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ZTE Corp
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Abstract

The invention discloses a method for the multimedia business system accessing the digital trunking system and its business system. The method includes: it establishes a media gateway which is used for conversing the transmission protocol and signaling protocol between the multimedia business system and the digital trunking system. It establishes a calling between the multimedia business system and the digital trunking system trough the described media gateway. It encodes the media content of the described multimedia business system into the media format of the digital trunking system, and sends it to the digital trunking system.

Description

The method of multimedia service system connecting with digital cluster system and operation system
Technical field
The present invention relates to multi-media service system (comprising systems such as short message, Multimedia Message, audio frequency, video) and digital cluster system, relate in particular to multimedia service system connecting with digital cluster system, the scheme of multi-media broadcasting service is provided for the Digital Clustering user.
Background technology
Digital clustering communication system belongs to professional mobile communication.So-called trunked communication system, it is shared that promptly the available channel that system had can be all users of system, has automatic selective channel function, and it is the wireless dispatching communication system of shared resource, contribution, shared channel equipment and service.
The topmost feature of trunking communication is that single worker, half-duplex are main function mode.Digital clustering communication system mainly adopts the mode of Channel Sharing, and promptly the user of a dispatcher-controlled territory shares a channel, can get ready to go into action in hundreds when communicating by letter like this.Digital cluster communication has fast dispatch, grouies busy, group calling, logically broadcast, lead directly to, toll breakdown, intrusion, abbreviated addressing, Priority Call, hysteresis enter, environment is intercepted, dynamic specific functions such as reorganization, VPN networking, wherein much the non-public mobile communication of function systems have.Digital clustering communication system has quick access response, the characteristics that the networking time is short, and the time that generally networks only needs 300~500ms.
The broadcasting service of digital cluster system is controlled by dispatching desk, and the dispatcher of dispatching desk is the client who has special authority, and dispatching desk is the equipment that client is carried out command scheduling.Dispatching desk can group busy that all users in same group carry out broadcast ﹠ call to digital cluster system transmission Digital Clustering client initiation broadcasting, and broadcast ﹠ call are method of callings of a kind of single worker.
Dispatching desk can be specified group when initiating broadcast ﹠ call, only belong to specify the user of group could participate in this calling; Dispatching desk also can the appointed area, and promptly the user in specified coverage area could participate in this calling; Dispatching desk also can designated user, and promptly designated user could participate in this calling.The promoter of broadcast ﹠ call possesses the authority that finishes broadcast ﹠ call.
Multi-media service system can comprise systems such as short message, Multimedia Message, audio frequency, video, but is not limited only to above system.These systems have different media formats, support different media transmission protocol and signaling protocol, support multiple calling.
The deficiency of existing digital cluster system is: can't support to send multimedia broadcasting to the Digital Clustering user.
The deficiency of existing multi-media service system is: can't support the broadcast ﹠ call of Digital Clustering.
Summary of the invention
The objective of the invention is to invent a kind of method and operation system of multimedia service system connecting with digital cluster system, make the Digital Clustering user in the digital cluster system under own, obtain multi-media broadcasting service, and solve the problem of the config update of multiple medium type access.
To achieve these goals, the invention provides a kind of method of multimedia service system connecting with digital cluster system, wherein, comprise the steps:
One media gateway is set, is used to change host-host protocol and signaling protocol between described multi-media service system and the described digital cluster system;
Set up calling between described multi-media service system and the described digital cluster system by described media gateway;
By described media gateway the media content of described multi-media service system is encoded to the media formats of described digital cluster system, and sends to digital cluster system.
The method of above-mentioned multimedia service system connecting with digital cluster system, wherein, when there is multiple form in media content, described media gateway also distributes corresponding identification for described media content according to the media formats before the coding, and the described media content of described sign behind coding sent to described digital cluster system.
The method of above-mentioned multimedia service system connecting with digital cluster system, wherein, described digital packet terminal is preserved the corresponding relation of described sign and described code decode algorithm, described digital cluster system receive behind the described coding media content and the sign after, send to described digital packet terminal by scheduler subsystem by shared channel, described digital packet terminal is selected the code decode algorithm described media content of decoding according to described sign, and presents to the user.
The method of above-mentioned multimedia service system connecting with digital cluster system, wherein, when the access of described multi-media service system changes, also comprise a sign and the maintenance update step of code decode algorithm, safeguard and upgrade the corresponding relation of described sign, code decode algorithm and described sign and code decode algorithm in described media gateway and described media gateway and the digital packet terminal.
In order better to realize above-mentioned purpose, the present invention also provides a kind of operation system of multimedia service system connecting with digital cluster system, comprise a multi-media service system and a digital cluster system, wherein, also comprise a media gateway, connect described multi-media service system and described digital cluster system, be used to change host-host protocol and signaling protocol between described multi-media service system and the described digital cluster system, set up the calling between described multi-media service system and the described digital cluster system, also be used for sending to digital cluster system behind the media formats that media content with described multi-media service system is encoded to described digital cluster system.
The operation system of above-mentioned multimedia service system connecting with digital cluster system, wherein, when there is multiple form in described media content, described media gateway also is used for distributing corresponding identification for described media content according to the media formats before the coding, and the described media content of described sign behind coding sent to described digital cluster system.
The operation system of above-mentioned multimedia service system connecting with digital cluster system, wherein, described multi-media service system includes but not limited to short-message system, multi-media messaging system, audio service system, video service system, all is connected with described media gateway by short message service center, multimedia message server, audio frequency media server and video media service device respectively.
The operation system of above-mentioned multimedia service system connecting with digital cluster system, wherein, when the access of described multi-media service system changed, described media gateway also was used for safeguarding and upgrading the corresponding relation of described sign, code decode algorithm and the described sign and the code decode algorithm of described media gateway and described media gateway and digital packet terminal.
Compared with prior art, the present invention connects multi-media service system and digital cluster system by a media gateway is set, host-host protocol and the conversion of signaling protocol and the conversion of media formats by media gateway, realized in digital cluster system, realizing media content broadcasting, and by the corresponding relation of media formats and sign is set, can more initiate at any time media content.
Description of drawings
Fig. 1 is the network plan figure of multimedia service system connecting with digital cluster system among the present invention;
Fig. 2 is the business process map of multimedia service system connecting with digital cluster system among the present invention.
Fig. 3 is sign and the maintenance of code decode algorithm among the present invention, renewal flow chart.
Embodiment
The present invention realizes existing multimedia service system connecting with digital cluster system by a media gateway is set between existing multi-media service system and digital cluster system, realize multi-media broadcasting service in digital cluster system.
The following function of this media gateway realization:
Connect multi-media service system and digital cluster system, wherein, the interface of multi-media service system is supported the host-host protocol and the signaling protocol of multi-media service system, the interface of digital cluster system is supported the host-host protocol and the signaling protocol of digital cluster system, if by the IP system connecting with digital cluster then support the IP agreement;
The media content of the different-format that multi-media service system is sent is encoded, being converted to the media formats of digital cluster system, is the media content allocation identification of different-format simultaneously, such as, content of short message is after the process format conversion, be assigned with sign 1, and multimedia information content has been assigned with sign 2 through after the format conversion, audio content is after the process format conversion, be assigned with sign 3, video content has been assigned with sign 4 or the like through after the format conversion; There are one-to-one relationship in this sign and code decode algorithm, and this sign sends to digital packet terminal with media content; Sign and code decode algorithm are present in media gateway and the cluster digital packet terminal, and purpose is the different media formats that sign inserts, and at digital packet terminal media formats are carried out suitable media formats decoding.
Safeguard, more new logo and code decode algorithm, when the multi-media service system that inserts changed, media gateway can be upgraded operation to sign and code decode algorithm, this renewal to media gateway code decode algorithm and sign can be finished by manual operation.Then, media gateway be responsible for automatically to digital packet terminal identify with code decode algorithm synchronously, safeguard the corresponding relation of code decode algorithm and sign.Media gateway is supported trunked call, wherein this code decode algorithm can be taken as special media content and be issued to digital packet terminal from scheduler subsystem, after the end of transmission, digital packet terminal adopts corresponding code decode algorithm that media content is decoded into different media formats according to sign, and the user can use content then;
Fig. 1 is the schematic network structure of multimedia service system connecting with digital cluster system of the present invention, as shown in Figure 1, multi-media service system includes but not limited to short-message system, multi-media messaging system, audio service system, video service system etc., and its corresponding short message service center, multimedia message server, audio frequency media server and video media service device all are connected with media gateway;
After media gateway is received media content, carry out the media formats that code conversion is a digital cluster system, and according to the media formats allocation identification before the conversion, send to the digital packet terminal of particular demographic by the shared channel of digital cluster system, digital packet terminal selects code decode algorithm that media content is decoded into different media formats according to sign, uses by suitable digital packet terminal then content is presented to the user.Such digital packet terminal is used can send to digital packet terminal by several different methods, for example downloads.Group determines and can determine by methods such as backstage configurations.
In business procedure, after having set up broadcast ﹠ call by base station sub-system between multi-media service system and the digital packet terminal, media content sends to digital packet terminal from the conversion of multi-media service system by media gateway, digital packet terminal is behind end of calling, after just receiving complete content, media content is decoded, and media content is shown to the user.When using this class real-time media transportation protocol transfers media content of Real-time Transport Protocol, digital packet terminal need wait until that media flow transmission finishes, and just begins decode procedure.
Fig. 2 has illustrated the operation flow of multimedia service system connecting with digital cluster system, specifically comprises the steps:
Step 201, multi-media service system is initiated the media broadcast calling by send call request message to media gateway;
Step 202, media gateway be by protocol conversion, and the call signaling protocol of multi-media service system is converted to the call signaling protocol of group system, call request message is transmitted to the scheduler subsystem of digital cluster system again;
Step 203, scheduler subsystem are carried out authentication to calling after receiving call request message, if authentication is not passed through, then return refusal information and give multi-media service system by media gateway, if authentication by enter next step;
Step 204, scheduler subsystem are determined the call scheduling zone according to the information of broadcast ﹠ call, and this dispatcher-controlled territory can be that configured in advance is good, corresponding different type of calls; Also can be information provisional configuration according to broadcast ﹠ call, all the user's sharing wireless channel in the dispatcher-controlled territory;
Step 205, between multi-media service system and digital packet terminal, set up and call out, after the foundation, set up by the calling of media gateway notice multi-media service system by scheduler subsystem, and notify all digital packet terminals by shared channel, after having only call setup to finish, multi-media service system could send media content by shared channel all digital packet terminals in dispatcher-controlled territory;
Step 206, after multi-media service system receives notice, begin to send media content, receive the conversion of go forward side by side row format and host-host protocol by media gateway to media gateway, distribute corresponding sign after the format conversion, will identify with media content and be transmitted to digital cluster system together;
Step 207, scheduler subsystem sends to digital packet terminal in the dispatcher-controlled territory by shared channel with content, and the digital packet terminal waiting for content sends and finishes;
After step 208, content send and finish, end of calling.
With content decoding, the user can use content to digital packet terminal then according to sign.
Fig. 3 has illustrated the maintenance of sign and code decode algorithm, new technological process more.
Sign and code decode algorithm are present in media gateway and the cluster digital packet terminal, and purpose is the different media formats that sign inserts, and at the medium digital packet terminal media formats are carried out suitable media formats encoding and decoding.This sign and code decode algorithm have maintainability, promptly when changing, the access of multi-media service system can upgrade, and synchronous to digital packet terminal; Media gateway is safeguarded the corresponding relation of code decode algorithm and sign, and safeguards that the renewal of code decode algorithm and digital packet terminal are synchronous.The renewal of code decode algorithm and sign can be taken as a kind of special media content from being issued to digital packet terminal by group system, sends out trunked call by media gateway.
As shown in Figure 3, the sign and the maintenance of code decode algorithm, more new technological process comprises the steps:
Step 301, multi-media service system inserts new media formats, gives notice to media gateway, and this step can be initiated separately, also can be triggered by the media broadcast calling of multi-media service system, can comprise the format information of medium in this notice;
Step 302, media gateway is according to media format information more new logo, code decode algorithm and corresponding relation;
Step 303, media gateway makes a call to scheduler subsystem, and request is upgraded operation to potential user group;
Step 304, scheduler subsystem is carried out service authentication, enters next step by service authentication, gives multi-media service system otherwise return refusal information by media gateway;
Step 305 according to the information of broadcast ﹠ call, is determined the call scheduling zone, this dispatcher-controlled territory can be that configured in advance is good, corresponding different broadcast ﹠ call types also can be the information provisional configuration according to broadcast ﹠ call, all the user's sharing wireless channel in the dispatcher-controlled territory.
Step 306 is set up between media gateway and the digital packet terminal and is called out, and after call setup is finished, sends prompting to digital packet terminal and media gateway respectively;
Step 307, media gateway sends lastest imformation to scheduler subsystem, and scheduler subsystem sends to all users in the dispatcher-controlled territory by shared channel with lastest imformation;
308, after content sends and finishes, terminated call.
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 the appended claim of the present invention.

Claims (10)

1, a kind of method of multimedia service system connecting with digital cluster system is characterized in that, comprises the steps:
One media gateway is set, is used to change host-host protocol and signaling protocol between described multi-media service system and the described digital cluster system;
Set up calling between described multi-media service system and the described digital cluster system by described media gateway;
By described media gateway the media content of described multi-media service system is encoded to the media formats of described digital cluster system, and sends to digital cluster system.
2, the method for multimedia service system connecting with digital cluster system according to claim 1, it is characterized in that, when there is multiple form in described media content, described media gateway also distributes corresponding identification for described media content according to the media formats before the coding, and the described media content of described sign behind coding sent to described digital cluster system.
3, the method for multimedia service system connecting with digital cluster system according to claim 2, it is characterized in that, described digital packet terminal is preserved the corresponding relation of described sign and described code decode algorithm, described digital cluster system receive behind the described coding media content and the sign after, send to described digital packet terminal by scheduler subsystem by shared channel, described digital packet terminal is selected the code decode algorithm described media content of decoding according to described sign, and presents to the user.
4, the method for multimedia service system connecting with digital cluster system according to claim 3 is characterized in that, specifically comprises the steps:
Step 201, described multi-media service system sends call request message to described media gateway;
After step 202, described media gateway are converted to the call signaling protocol of described digital cluster system with the call signaling protocol of described multi-media service system, described call request message is transmitted to the scheduler subsystem of described digital cluster system;
Step 203, described scheduler subsystem are called out described call request message and are carried out authentication, if authentication is not passed through, then return refusal information and give described multi-media service system by described media gateway, if authentication by enter next step;
Step 204, described scheduler subsystem are determined the call scheduling zone according to the information of broadcast ﹠ call;
Step 205 is set up between described multi-media service system and described digital packet terminal and is called out;
Step 206, behind the call setup, described multi-media service system sends described media content to described media gateway, receive the conversion of go forward side by side row format and host-host protocol by described media gateway, distribute described sign after the format conversion, and described sign and media content are transmitted to described digital cluster system together;
Step 207, described scheduler subsystem sends to digital packet terminal in the described dispatcher-controlled territory by shared channel with content, and described digital packet terminal waiting for content sends and finishes;
After step 208, described media content send and finish, end of calling.
5, according to the method for claim 2,3 or 4 described multimedia service system connecting with digital cluster system, it is characterized in that, when the access of described multi-media service system changes, also comprise a sign and the maintenance update step of code decode algorithm, safeguard and upgrade the corresponding relation of described sign, code decode algorithm and described sign and code decode algorithm in described media gateway and described media gateway and the digital packet terminal.
6, the method for multimedia service system connecting with digital cluster system according to claim 5 is characterized in that, the maintenance update step of described sign and code decode algorithm specifically comprises:
Step 301, described multi-media service system inserts new media formats, gives notice to described media gateway, comprises the format information of media content in the described notice;
Step 302, described media gateway is upgraded described sign, code decode algorithm and corresponding relation according to the format information of media content;
Step 303, described media gateway makes a call to scheduler subsystem, and request is upgraded operation to potential user group;
Step 304, described scheduler subsystem is carried out service authentication, enters next step by service authentication, gives described multi-media service system otherwise return refusal information by described media gateway;
Step 305, described scheduler subsystem are determined the call scheduling zone according to the information of broadcast ﹠ call;
Step 306 is set up the calling between described media gateway and the described digital packet terminal;
Step 307, after call setup was finished, described media gateway sent lastest imformation to described scheduler subsystem, and described scheduler subsystem sends to all users in the dispatcher-controlled territory by shared channel with lastest imformation;
308, after content sends and finishes, terminated call.
7, a kind of operation system of multimedia service system connecting with digital cluster system, comprise a multi-media service system and a digital cluster system, it is characterized in that, also comprise a media gateway, connect described multi-media service system and described digital cluster system, be used to change host-host protocol and signaling protocol between described multi-media service system and the described digital cluster system, set up the calling between described multi-media service system and the described digital cluster system, also be used for sending to digital cluster system behind the media formats that media content with described multi-media service system is encoded to described digital cluster system.
8, the operation system of multimedia service system connecting with digital cluster system according to claim 7, it is characterized in that, when there is multiple form in described media content, described media gateway also is used for distributing corresponding identification for described media content according to the media formats before the coding, and the described media content of described sign behind coding sent to described digital cluster system.
9, according to the operation system of claim 7 or 8 described multimedia service system connecting with digital cluster system, it is characterized in that, described multi-media service system includes but not limited to short-message system, multi-media messaging system, audio service system, video service system, all is connected with described media gateway by short message service center, multimedia message server, audio frequency media server and video media service device respectively.
10, the operation system of multimedia service system connecting with digital cluster system according to claim 8, it is characterized in that, when the access of described multi-media service system changed, described media gateway also was used for safeguarding and upgrading the corresponding relation of described sign, code decode algorithm and the described sign and the code decode algorithm of described media gateway and described media gateway and digital packet terminal.
CNB2005101307287A 2005-12-23 2005-12-23 Method for accessing digital cluster system to multimedia service system and service system Expired - Fee Related CN100486364C (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011076000A1 (en) * 2009-12-24 2011-06-30 中兴通讯股份有限公司 Method and apparatus for coding format identification and transformation, processing method and system thereof
CN102088662B (en) * 2009-12-03 2013-03-27 普天信息技术研究院有限公司 Method for realizing real-time transmission of multimedia service in broadband digital cluster group
CN106161459A (en) * 2016-08-10 2016-11-23 广州海格通信集团股份有限公司 The media asset management system of multi-platform access can be supported simultaneously
CN110809246A (en) * 2018-08-06 2020-02-18 成都鼎桥通信技术有限公司 Method, device and system for selecting data transmission format supported by cluster group
CN112787830A (en) * 2020-12-24 2021-05-11 世邦通信股份有限公司 High-compatibility broadcasting system based on audio conference architecture and implementation method
CN112911236A (en) * 2021-01-27 2021-06-04 北京交通大学 Interconnection method of public network broadband digital cluster system and public safety video monitoring platform

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102088662B (en) * 2009-12-03 2013-03-27 普天信息技术研究院有限公司 Method for realizing real-time transmission of multimedia service in broadband digital cluster group
WO2011076000A1 (en) * 2009-12-24 2011-06-30 中兴通讯股份有限公司 Method and apparatus for coding format identification and transformation, processing method and system thereof
US8890724B2 (en) 2009-12-24 2014-11-18 Zte Corporation Method and device for identifying or converting data—coding and method and system for processing data—coding
CN106161459A (en) * 2016-08-10 2016-11-23 广州海格通信集团股份有限公司 The media asset management system of multi-platform access can be supported simultaneously
CN106161459B (en) * 2016-08-10 2019-06-18 广州海格通信集团股份有限公司 The media asset management system of multi-platform access can be supported simultaneously
CN110809246A (en) * 2018-08-06 2020-02-18 成都鼎桥通信技术有限公司 Method, device and system for selecting data transmission format supported by cluster group
CN110809246B (en) * 2018-08-06 2021-10-19 成都鼎桥通信技术有限公司 Method, device and system for selecting data transmission format supported by cluster group
CN112787830A (en) * 2020-12-24 2021-05-11 世邦通信股份有限公司 High-compatibility broadcasting system based on audio conference architecture and implementation method
CN112787830B (en) * 2020-12-24 2023-10-13 世邦通信股份有限公司 High-compatibility broadcasting system based on audio conference architecture
CN112911236A (en) * 2021-01-27 2021-06-04 北京交通大学 Interconnection method of public network broadband digital cluster system and public safety video monitoring platform
CN112911236B (en) * 2021-01-27 2022-05-20 北京交通大学 Interconnection method of public network broadband digital cluster system and public safety video monitoring platform

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