WO2018001294A1

WO2018001294A1 - Communication method based on group communication system enabler (gcse), and server

Info

Publication number: WO2018001294A1
Application number: PCT/CN2017/090727
Authority: WO
Inventors: 王星辉; 郭建林; 王玮; 李鹏
Original assignee: 中兴通讯股份有限公司
Priority date: 2016-06-29
Filing date: 2017-06-29
Publication date: 2018-01-04
Also published as: CN107566991A; CN107566991B

Abstract

A communication method based on a group communication system enabler (GCSE), comprising: an industry application server receiving a contact information acquisition request sent by a target GCSE application server; the industry application server acquiring, according to a request identifier, contact information, corresponding to the request identifier, about a second terminal; and the industry application server sending the contact information about the second terminal to the target GCSE application server.

Description

Communication method and server based on group communication support system GCSE

Technical field

The present application relates to, but is not limited to, the field of communication technologies, and in particular, to a communication method and server based on a group communication support system GCSE.

Background technique

In the related technology, private network communication has been widely used in various industries due to the independence and security of its network. With the continuous development of communication technology, the group communication support system (GCSE, Group Communication System Enabler) used in private network communication ) has gradually been accepted by public network users.

The GCSE is proposed by the 3rd Generation Partnership Project (3GPP). FIG. 1 is a schematic diagram of a GCSE-based structure in the related art. As shown in FIG. 1 , the GCSE includes: User Equipment (UE, User Equipment) The base station (eNB, Evolved Node B), the packet core network (EPC, Evolved Packet Core), and the GCSE Application Server (GCSE AS, GCSE Application Server), wherein the EPC includes: Mobility Management Entity (MME), PDN Gateway (P-GW, PDN GateWay), Serving GateWay (S-GW, Serving GateWay) and Multipoint Service (MuSe, Multipoint Service); optionally, the UE interacts with the GCSE AS through the eNB and the EPC, on the one hand The basic functions of the group communication are completed, and on the other hand, the industrial application based on the group communication is completed. In the GCSE, the eNB and the EPC complete the resource allocation necessary for the support group communication and the establishment process of the bearer network, and the related technology has long-term evolution. (LTE, Long Term Evolution) technology has become the mainstream bearer network of GCSE due to its high spectrum utilization and high bandwidth.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

This paper provides a communication method and server based on group communication support system GCSE, which can avoid the coupling of bearer network and industry application based on GCSE private network communication, and improve the scalability of the system. With easy maintenance.

The technical solution of the embodiment of the present invention is implemented as follows:

In a first aspect, an embodiment of the present invention provides a communication method based on a group communication support system GCSE, which is applied to a GCSE-based communication system. The GCSE-based communication system includes: an industry application server, at least one GCSE application server, The at least one GCSE application server is respectively connected to the industry application server; wherein the method includes: the industry application server receives a contact method acquisition request sent by the target GCSE application server; wherein the contact method acquisition request includes a connection a request identifier carried in the request, where the connection request is sent by the first terminal to the target GCSE application server by using a GCSE area bearer network corresponding to the target GCSE application server; the target GCSE application server is the at least one GCSE a GCSE application server that receives the connection request sent by the first terminal in the application server; the industry application server acquires, according to the request identifier, a contact manner of the second terminal corresponding to the request identifier; the industry application server Applying services to the target GCSE Transmitting, by the second terminal, a contact manner of the second terminal, where the contact manner of the second terminal is used to establish a connection between the target GCSE application server and the second terminal.

In an exemplary embodiment, the industry application server obtains, according to the request identifier, a contact manner of the second terminal corresponding to the request identifier, where the industry application server carries according to the connection request. The first industry function identifier is obtained from the correspondence between the pre-stored industry function identifier and the terminal contact mode, and the contact mode corresponding to the first industry function identifier is the contact manner of the second terminal.

In an exemplary embodiment, the industry application server obtains, according to the request identifier, a contact manner of the second terminal corresponding to the request identifier, where the industry application server carries according to the connection request. The first geographical location identifier is obtained from the correspondence between the pre-stored geographic location identifier and the terminal contact mode, and the contact mode corresponding to the first geographic location identifier is the contact manner of the second terminal.

In a second aspect, an embodiment of the present invention provides a communication method based on a group communication support system GCSE, which is applied to a GCSE-based communication system. The GCSE-based communication system includes: an industry application server, at least one GCSE application server, Said at least one GCSE application server is respectively connected to the industry application server; wherein the method comprises: the GCSE should Receiving, by the server, a connection request sent by the first terminal; the GCSE application server sends a contact obtaining request to the industry application server; wherein the contact obtaining request includes a request identifier carried in the connection request, the request Identifying a contact mode of the second terminal corresponding to the request identifier by the industry application server; the GCSE application server receiving a contact manner of the second terminal, according to the contact manner of the second terminal The second terminal establishes a connection.

In an exemplary embodiment, the request identifier includes: an industry function identifier and a geographic location identifier.

In a third aspect, an embodiment of the present invention provides an industry application server, which is disposed in a GCSE-based communication system. The GCSE-based communication system includes: one of the industry application servers, at least one GCSE application server, and the at least one GCSE. The application server is respectively connected to the industry application server; the industry application server includes: a receiving module, configured to: receive a contact obtaining request sent by the target GCSE application server; wherein the contact obtaining request includes carrying the connection request The request identifier is that the first terminal is sent to the target GCSE application server by using a GCSE area bearer network corresponding to the target GCSE application server; the target GCSE application server is the at least one GCSE application server. Receiving, by the GCSE application server, the connection request sent by the first terminal; the acquiring module is configured to: obtain a contact mode of the second terminal corresponding to the request identifier according to the request identifier; and send the module to: The target GCSE application server sends the location A second contact terminal; wherein said second terminal contacts for the target GCSE application server establishes a connection with the second terminal.

In an exemplary embodiment, the acquiring module is configured to: obtain, according to a first industry function identifier carried in the connection request, a corresponding relationship between a pre-stored industry function identifier and a terminal contact manner. The contact mode corresponding to the first industry function identifier is the contact manner of the second terminal.

In an exemplary embodiment, the acquiring module is configured to: obtain, according to the first geographical location identifier carried in the connection request, from a correspondence between a pre-stored geographical location identifier and a terminal contact manner, The contact manner corresponding to the first geographical location identifier is the contact manner of the second terminal.

In a fourth aspect, an embodiment of the present invention provides a group communication support system GCSE application server, which is disposed in a GCSE-based communication system; the GCSE-based communication system includes: an industry application server, at least one GCSE application server, the at least a GCSE application server is respectively connected to the industry application server; the GCSE application server includes: a receiving module, configured to: receive a connection request sent by the first terminal; and send a module, configured to: send a contact obtaining request to the An industry application server, wherein the contact obtaining request includes a request identifier carried in the connection request, where the request identifier is used to enable the industry application server to obtain a contact manner of the second terminal corresponding to the request identifier; And a module, configured to: receive a contact manner of the second terminal, and establish a connection with the second terminal according to the contact manner of the second terminal.

The embodiment of the present invention further provides a computer readable storage medium storing computer executable instructions, which are implemented when the computer executable instructions are executed to implement the communication method based on the group communication support system GCSE.

A communication method and server based on a group communication support system GCSE provided by an embodiment of the present invention, the method is applied to a GCSE-based communication system, the GCSE-based communication system includes: an industry application server, at least one GCSE application server; and an industrial application The server is not directly connected to the GCSE area bearer network, but is connected to at least one GCSE application server. The industry application server centrally stores the correspondence between all request identifiers of the entire network and the terminal contact mode, and can be centralized, The GCSE application server communicates with the UE through the GCSE regional bearer network. The GCSE application server receives the connection request carrying the request identifier from the first terminal. The application server obtains the contact mode of the second terminal corresponding to the request, and establishes a connection with the second terminal, thereby completing the GCSE communication establishment process. In the embodiment of the present invention, the GCSE application server is responsible for the basic communication in the GCSE private network communication, and the industrial application. Server is responsible for GCSE The application process related to the industry application in the private network communication realizes the separation of the basic communication and the industrial application in the GCSE private network communication. When one or more GCSE area bearer networks are upgraded, it only needs to correspond to the GCSE area bearer network. The GCSE application server performs corresponding upgrade operations without the need to process the industry application servers used to provide industry-specific industry information, saving The labor and material cost of the upgrade is avoided, and the coupling between the bearer network and the industry application in the GCSE private network communication is avoided, and the system is easy to expand and maintain.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

BRIEF abstract

1 is a schematic diagram of a structure based on GCSE in the related art;

2 is a schematic structural diagram of a GCSE-based communication system according to an embodiment of the present invention;

3 is a schematic diagram of a process interaction of a GCSE-based communication method according to an embodiment of the present invention;

4 is a schematic structural diagram of an example of a GCSE-based communication system according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a process interaction of an example of a GCSE-based communication method according to an embodiment of the present invention; FIG.

6 is a schematic diagram of a process interaction of another example of a GCSE-based communication method according to an embodiment of the present invention;

FIG. 7 is a schematic flowchart of a method for communicating by an industrial application server according to an embodiment of the present invention;

8 is a schematic flowchart of a method for communicating by a GCSE application server according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of an industry application server according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a GCSE application server according to an embodiment of the present invention.

Preferred embodiment of the invention

Embodiments of the present invention will be described below with reference to the accompanying drawings. It should be noted that the embodiments in the present application and the various manners in the embodiments may be combined with each other without conflict.

It should be noted that the terms "first", "second" and the like are used herein to distinguish similar objects, and are not necessarily used to describe a particular order or order. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function.

The GCSE-based structure in the related technology, although the network bearer has been initially implemented in the same industry Separation of use, but with the gradual improvement of the network protocol (IP) of the bearer network, the continuous interconnection between different networks and the diversification of industrial applications in private network communication, the functions of GCSE AS are gradually becoming large and correspondingly maintained. With the increasing cost of management, as the application of the industry continues to increase, it will inevitably lead to the mutual coupling of the bearer network and the application of the industry. This is not conducive to the upgrading of the bearer network and the expansion of subsequent industry applications. Thus, the communication technology based on the GCSE private network in the related art has the defects that the bearer network and the industry application are coupled with each other, resulting in poor scalability and easy maintenance of the system.

The embodiment of the invention provides a GCSE-based communication system, which can be applied to private network communication, and provides guarantee for business development of various industries. For example, the applied industry may include military, government, police, and railway. The embodiment of the present invention is not limited, and the present invention is not limited to the present invention. 2 is a schematic structural diagram of a GCSE-based communication system according to an embodiment of the present invention. Referring to FIG. 2, the GCSE-based communication system may include: an industry application server, one or more GCSE application servers, and each GCSE application. The server corresponds to a GCSE area bearer network, where the industry application server is respectively connected to one or more GCSE application servers;

The industry application server can communicate with one or more GCSE application servers, and can be set to provide industry information with industry characteristics and processing results of corresponding processing. Here, the industry application server can process information addition, deletion, modification, and query. Etc., it can be stated that when the above-mentioned GCSE area bearer network is upgraded, the characteristic information of the industry application is separated from the GCSE application server corresponding to the GCSE area bearer network, and the characteristic information of the industry application is stored in the newly added industry. On the application server, it is only necessary to upgrade the GCSE application server accordingly, and no need to deal with the industrial application server, which saves manpower and material resources for unnecessary work;

The GCSE area bearer network can be configured to implement communication between the UE and the GCSE application server. It can be noted that the GCSE area bearer network can adopt different communication standards, for example, when the communication standard is the second generation mobile communication technology (2G, 2 In the case of Generation wireless telephone technology, the GCSE area bearer network is a Global System for Mobile Communication (GSM) network; when the communication standard is 3G, 3-Generation wireless telephone technology, GCSE Regional bearer network It is a CDMA2000 (Code Division Multiple Access 2000)/Universal Mobile Telecommunications System (UMTS)/Wideband Code Division Multiple Access (WCDMA) network; when the communication system is the first In the fourth generation of mobile communication technology (4G, 4-Generation wireless telephone technology), the GCSE area bearer network is a Long Term Evolution (LTE) network; when the communication system is the fifth generation mobile communication technology (5G, 5-Generation wireless) In the case of the telephone technology, the carrier network of the GCSE area is a 5G network, and the embodiment of the present invention is not limited herein;

The GCSE application server can communicate with the UE through the GCSE area bearer network, and can be roughly configured as: an industry communication basic application such as user group management, cluster service management, broadcast service management, and user floor control in group communication, and an industrial application server. The application interface may be connected to one or more application interfaces through one or more application interfaces, and the application interface may include an IP interface or a Session Initiation Protocol (SIP) interface. Here, the application interface of the present invention is applied to the application interface. The type is not limited.

With reference to the embodiments of the present invention, in the above-mentioned GCSE-based communication system, the industry application server may receive the contact method acquisition request sent by the target GCSE application server, where the contact method acquisition request may include the request identifier carried in the connection request, and the connection request. The first terminal may be sent to the target GCSE application server by using the GCSE area bearer network corresponding to the target GCSE application server; the target GCSE application server may be a GCSE application server that receives the connection request sent by the first terminal in the at least one GCSE application server; The industry application server may obtain the contact information of the second terminal corresponding to the request identifier according to the request identifier; the industry application server may send the contact mode of the second terminal to the target GCSE application server; wherein the contact manner of the second terminal may be used to enable The target GCSE application server establishes a connection with the second terminal.

The GCSE application server may receive the connection request sent by the first terminal; the GCSE application server may send the contact method to obtain the request to the industrial application server; wherein the contact obtaining request may include the request identifier carried in the connection request, and the request identifier may be used for The industry application server obtains the contact mode of the second terminal corresponding to the request identifier; the GCSE application server may receive the contact mode of the second terminal, and establish a connection with the second terminal according to the contact manner of the second terminal.

The GCSE-based communication method provided by the embodiment of the present invention is performed in combination with the above system. Description.

3 is a schematic diagram of a process interaction of a GCSE-based communication method according to an embodiment of the present invention; as shown in FIG. 3, the GCSE-based communication method includes:

S301: The first terminal sends a connection request to the target GCSE application server.

Here, the target GCSE application server may be a GCSE application server in the at least one GCSE application server, where the connection request may carry a request identifier, and the request identifier is used to enable the industry application server to obtain the contact of the second terminal corresponding to the request identifier. The method may be that the first terminal may send a connection request to the target GCSE application server through the GCSE area bearer network, and the GCSE area bearer network may correspond to the target GCSE application server. In actual application, a GCSE area The bearer network may also correspond to one or more target GCSE application servers, and is not limited herein.

In an actual application, the connection request is different in each line, and the connection request may be a call request initiated by the first terminal, or may be initiated by the first terminal for performing multimedia service transmission with the second terminal. The request may be described here, the embodiment of the present invention does not limit the connection request; for example, in the railway system, when the initiated connection request is a call request, the train number or the current cell in which the train is traveling may be sent. A global cell identifier (CGI, Cell Global Identifier) is used to initiate a call request.

S302: The target GCSE application server receives the connection request sent by the first terminal, and sends a contact mode acquisition request to the industry application server.

The contact obtaining request may include the request identifier carried in the connection request. In the private network communication, in order to obtain the contact information of the second terminal from the industry server, the target GCSE application server may generate the connection request after receiving the connection request. Contact Get the request and send the contact to get the request to the industry application server. For example, in the railway system, still taking the call request as an example, when the call request received by the target GCSE application server is a train number, in order to contact the train conductor on the train, the trainer's contact information needs to be obtained, then, the target The GCSE application server may generate a contact acquisition request, which may include the train number of the train or the serial number corresponding to the train in the industry server.

S303: The industry application server receives the contact mode acquisition request sent by the target GCSE application server, and obtains the contact mode of the second terminal corresponding to the request identifier according to the request identifier.

Here, the industry server may obtain, according to the request identifier, the contact information of the terminal corresponding to the request identifier as the contact mode of the second terminal, from the correspondence between the pre-stored request identifier and the contact information of the terminal, which may be described above. The contact information of the second terminal may be the information that the target GCSE application server establishes a connection with the second terminal, and the contact manner of the second terminal may be the phone number of the second terminal, or the IP address of the second terminal, or the identity of the second terminal. The identification code and the like are not limited in the embodiment of the present invention; in the implementation process, the request identifier may be an industry function identifier or a geographical location identifier. Here, the embodiment of the present invention does not limit the request identifier;

In an optional embodiment, in order to obtain the terminal contact manner corresponding to the industry function identifier, S303 may include:

The industry application server obtains the contact information corresponding to the first industry function identifier as the contact information of the second terminal from the correspondence between the pre-stored industry function identifier and the terminal contact mode according to the first industry function identifier carried in the connection request. .

Here, taking the call request in the railway system as an example, the first industry function identifier may be a train number, and then, in the industry application server, the correspondence between the train number and the train conductor's contact mode may be pre-stored, when scheduling When the trainer needs to contact the train conductor of a certain train, he only needs to initiate a call request based on the train number, and the contact information of the train conductor can be obtained through the industrial application server.

The contact information of the second terminal obtained through the industry function identification can be applied to all industries. The industry function identification will vary with the industry. The above-mentioned industry function identification facilitates the staff in different industries according to their own. The need to quickly establish a connection.

In another optional embodiment, in order to obtain the terminal contact manner corresponding to the industry function identifier, S303 may include:

The industry application server obtains, according to the first geographical location identifier carried in the connection request, the contact information corresponding to the first geographical location identifier as the contact information of the second terminal, from the correspondence between the pre-stored geographical location identifier and the terminal contact mode. .

Still in the railway system, when a train is about to arrive at a certain station, it needs to be connected to the dispatcher of the station. Then, the train conductor of the train only needs to initiate a connection request based on the geographical location (for example, latitude and longitude information), then, The industry application server may pre-store the correspondence between the geographic location identifier and the dispatcher's contact information, and the contact information of the site dispatcher may be obtained through the industry application server.

The contact information of the second terminal obtained by the geographical location identifier can be applied to all walks of life, and it is convenient for people in various industries and industries to quickly obtain contact.

S304: The industry application server sends a contact mode of the second terminal to the target GCSE application server, where the contact mode of the second terminal is used to establish a connection between the target GCSE application server and the second terminal.

S305: The target GCSE application server receives the contact mode of the second terminal, and establishes a connection with the second terminal according to the contact manner of the second terminal.

Here, after receiving the contact mode of the second terminal, the target GCSE application server may establish a connection with the second terminal, so that communication between the first terminal and the second terminal may be performed, for example, performing voice communication, performing instant communication, and transmitting multimedia. business.

Thus, in the private network communication, the first terminal communicates with the second terminal in the GCSE based communication system.

It can be noted that the foregoing first terminal and the second terminal may be terminals that are located in the same GCSE area bearer network, or may be terminals that are located in different GCSE area bearer networks, and are not limited in this embodiment of the present invention.

A GCSE-based communication method provided by an embodiment of the present invention is applied to a GCSE-based communication system, where the GCSE-based communication system includes: an industry application server, at least one GCSE application server; and an industrial application server is not directly related to GCSE The regional bearer networks are connected to each other, and are respectively connected to at least one GCSE application server. The industry application server centrally stores the correspondence between all request identifiers of the entire network and the terminal contact manner, and can process the GCSEs from different GCSEs in a centralized and independent manner. The area carries the network and belongs to the industry-specific service. The GCSE application server communicates with the UE through the GCSE area bearer network. When the GCSE application server receives the connection request that carries the request identifier sent by the first terminal, the GCSE application server obtains the corresponding request from the industry application server. In the embodiment of the present invention, the GCSE application server is responsible for the basic communication in the GCSE private network communication, and the industrial application server is responsible for the GCSE private network. The connection between the second terminal and the connection with the second terminal is completed. Industry application phase in communication The process of the correlation between the basic communication and the industrial application in the GCSE private network communication is implemented. When one or more GCSE area bearer networks are upgraded, only the GCSE application server corresponding to the GCSE area bearer network is upgraded accordingly. Operation, and does not need to be used to provide industry characteristics The industrial application server of the industry information is processed accordingly, which saves the labor and material cost of the upgrade, avoids the coupling of the bearer network and the industrial application based on the GCSE private network communication, and improves the system's scalability and maintainability.

In order to explain the above-described GCSE-based communication method more clearly, one or more embodiments will be described below by way of examples.

The call request is still taken as an example in the railway system. 4 is a schematic structural diagram of an example of a GCSE-based communication system according to an embodiment of the present invention; as shown in FIG. 4, the system may include: a railway industry application server (EAS-R Server, Enterprise Application Service-Railway Server) ), three LTE area bearer networks, three key task push-to-talk servers (MCPTT Server, Mission Critical Push To Talk Server) and global communication system-rail (GSM-R, Global System) For Mobile Communications-Railway) network;

An EAS-R Server (equivalent to the above-mentioned industry application server) can be connected to three MCPTT Servers (equivalent to the above-mentioned GCSE application server) through an IP interface, and the MCPTT Server can be based on the LTE enhanced multimedia broadcast multicast service (eMBMS). (Enhanced Multimedia Broadcast Multicast Service) The regional bearer network completes the private network trunk voice service, which may include cluster user group management, multicast service management, broadcast service management, and floor control. The EAS-R Server can be the same as the GSM in Figure 4. The Service Control Point (SCP) in the GSM-R system corresponding to the R network is fully compatible or upgraded by the SCP. In short, the EAS-R Server can be used as the only global application server of the railway, not only through the GCSE area. The GCSE application server corresponding to the network communicates with the UE, and is also compatible with the GSM-R network in the related art.

Functional addressing is a special application of railway communication. Functional addressing can mean that users can be addressed by the functional roles they are responsible for at the time, rather than the number of the terminal devices they use. The following is an example of functional addressing. An example based on the GCSE-based communication method will be described based on the system of FIG.

FIG. 5 is a schematic diagram of a process interaction of an example of a GCSE-based communication method according to an embodiment of the present invention; in a function addressing service, a correspondence between a request identifier and a terminal contact mode is pre-stored in the EAS-R Server, As shown in FIG. 5, the method includes:

S501: When the dispatcher of the dispatching station in the station needs to contact the train conductor on a train, the dispatcher sends a call request based on the function number to the MCPTT Server, wherein the dispatcher holds the terminal equivalent to the above a terminal, the terminal held by the train conductor may be equivalent to the second terminal;

S502: The MCPTT Server receives the call request based on the function number, and requests the EAS-R Server to associate the mobile terminal device number associated with the function number according to the function number;

S503: The EAS-R Server searches the local database to obtain the mobile terminal device number associated with the function number.

S504: The EAS-R Server returns the mobile terminal device number associated with the function number to the MCPTT Server.

S505: After receiving the mobile terminal device number, the MCPTT Server initiates a call to the mobile terminal by using the LTE bearer network.

The foregoing S501 and S505 are internal processes of the LTE bearer network, and the interaction process of S502 to S504 is implemented by the EAS-R Server and the MCPTT Server.

So far, the railway dispatcher has been completed, so that the dispatchers located in different geographical areas are no longer restricted by the geographical location, and can be functionally addressed by the industrial application server in the above system, which is a cross-region of the railway system. When transporting, the dispatcher and the train conductor establish a communication to provide protection.

Location-based addressing is another featured application of railway communications. Location-based addressing can refer to a call initiated by a mobile user for a particular function, routed to a destination address associated with the user's current location, correct The dispatcher or station attendant is determined by the location of the calling mobile subscriber at the time. The following is an example of location-based addressing. The system based on FIG. 4 illustrates an example of a GCSE-based communication method. In the location-based addressing service, the EAS-R Server may pre-store the request identifier and the terminal contact information. FIG. 6 is a schematic diagram of a process interaction of another example of a GCSE-based communication method according to an embodiment of the present invention. As shown in FIG. 6, the method includes:

S601: When the train travels to a certain station, when the train inbound trainmaster needs to contact the dispatcher of the station, the train conductor sends a location-based call request to the MCPTT Server, where the request carries the current cell in the train. CGI, here, the terminal held by the train conductor may be equivalent to the first terminal, and the terminal held by the dispatcher may be equivalent to the second terminal;

S602: The MCPTT Server receives the location-based call request, and requests, according to the CGI, the ETS-R Server to request the terminal device number of the dispatcher/visitor associated with the current CGI;

S603: The EAS-R Server searches for the local database, and obtains the terminal device number of the dispatcher/visitor associated with the current CGI;

S604: The EAS-R Server returns, to the MCPTT Server, the terminal device number of the dispatcher/visitor associated with the current CGI;

S605: After receiving the mobile terminal device number, the MCPTT Server initiates a call to the mobile terminal by using the LTE bearer network.

The foregoing S601 and S605 are internal processes of the LTE bearer network, and the interaction process of S602 to S604 is implemented by the EAS-R Server and the MCPTT Server;

At this point, the completion of the railway system, so that the trains located in different geographical areas, no longer subject to geographical restrictions, can be based on the industrial application server in the above system for location-based addressing, for the railway system When the area is transported, the train and the dispatcher of the current cell can establish communication.

The above communication method will be described below on the different device side of the GCSE-based communication system.

First, the GCSE-based communication method is described on the side of the industry application server.

FIG. 7 is a schematic flowchart of a method for communication between an industrial application server according to an embodiment of the present invention. As shown in FIG. 7, the method includes:

S701: The industry application server receives a contact method acquisition request sent by the target GCSE application server.

The contact obtaining request may include the request identifier carried in the connection request, where the connection request may be sent by the first terminal to the target GCSE application server by using the GCSE area bearer network corresponding to the target GCSE application server; the target GCSE application server may be at least A GCSE application server that receives a connection request sent by the first terminal in a GCSE application server.

S702: The industry application server acquires, according to the request identifier, a contact manner of the second terminal corresponding to the request identifier.

In an optional embodiment, S702 may include: the industry application server according to the first industry function identifier carried in the connection request, and the pre-stored industry function identifier and the terminal contact manner. In the corresponding relationship, the contact mode corresponding to the function identifier of the first industry is obtained as the contact mode of the second terminal.

In another optional embodiment, the S702 may include: the industry application server obtains the first correspondence between the pre-stored geographical location identifier and the terminal contact manner according to the first geographical location identifier carried in the connection request. The contact information corresponding to a geographical location identifier is the contact manner of the second terminal.

S703: The industry application server sends the contact information of the second terminal to the target GCSE application server, where the contact manner of the second terminal is used to establish a connection between the target GCSE application server and the second terminal.

Secondly, the GCSE-based communication method is described on the side of the GCSE application server.

FIG. 8 is a schematic flowchart of a method for performing communication by a GCSE application server according to an embodiment of the present invention. As shown in FIG. 8, the method includes:

S801: The GCSE application server receives the connection request sent by the first terminal.

S802: The GCSE application server sends a contact obtaining request to the industrial application server. The contact obtaining request may include a request identifier carried in the connection request, where the request identifier is used to enable the industry application server to acquire the second terminal corresponding to the request identifier. Contact information; the request identifier may include: an industry function identifier and a geographic location identifier;

S803: The GCSE application server receives the contact mode of the second terminal, and establishes a connection with the second terminal according to the contact manner of the second terminal.

Based on the same inventive concept, an embodiment of the present invention provides an industry application server, which is consistent with the industry application server described in one or more of the foregoing embodiments.

FIG. 9 is a schematic structural diagram of an industry application server according to an embodiment of the present invention. As shown in FIG. 9, the industry application server may include: a receiving module 91, an obtaining module 92, and a sending module 93;

The receiving module 91 is configured to: receive a contact obtaining request sent by the target GCSE application server, where the contact obtaining request includes a request identifier carried in the connection request, where the connection request is that the first terminal corresponds to the target GCSE application server. The GCSE area bearer network is sent to the target GCSE application server; the target GCSE application server is a GCSE application server that receives the connection request sent by the first terminal in at least one GCSE application server; The block 92 is configured to: obtain a contact mode of the second terminal corresponding to the request identifier according to the request identifier, and send, by the sending module 93, the contact mode of the second terminal to the target GCSE application server, where the second terminal contacts The method is used to establish a connection between the target GCSE application server and the second terminal.

In an optional embodiment, the obtaining module 92 may be configured to: obtain, according to the first industry function identifier carried in the connection request, the correspondence between the pre-stored industry function identifier and the terminal contact mode. The contact mode corresponding to the first industry function identifier is the contact mode of the second terminal.

In another optional embodiment, the obtaining module 92 may be configured to: according to the first geographical location identifier carried in the connection request, from a correspondence between the pre-stored geographical location identifier and the terminal contact manner, The contact information corresponding to the first geographical location identifier is obtained as the contact manner of the second terminal.

In an actual application, the receiving module 91, the obtaining module 92, and the sending module 93 can all be configured by a central processing unit (CPU), a microprocessor (MPU, a microprocessor), an application specific integrated circuit (ASIC, Application Specific Integrated Circuit) or Field-Programmable Gate Array (FPGA).

Based on the same inventive concept, an embodiment of the present invention provides a GCSE application server, which is consistent with the GCSE application server described in one or more of the foregoing embodiments.

10 is a schematic structural diagram of a GCSE application server according to an embodiment of the present invention. As shown in FIG. 10, the GCSE application server includes: a receiving module 101, a sending module 102, and a connecting module 103;

The receiving module 101 is configured to receive a connection request sent by the first terminal, and the sending module 102 is configured to: send a contact mode obtaining request to the industry application server; where the contact obtaining request includes the request carried in the connection request The identifier is used to enable the industry application server to obtain the contact information of the second terminal corresponding to the request identifier. The connection module 103 is configured to: receive the contact mode of the second terminal, and establish the contact mode with the second terminal according to the contact mode of the second terminal. connection.

Here, the request identifier may include: an industry function identifier and a geographic location identifier.

In practical applications, the receiving module 101, the transmitting module 102, and the connecting module 103 can all be implemented by a CPU, an MPU, an ASIC, or an FPGA located in the GCSE application server.

This embodiment describes a computer readable medium, which may be a ROM (eg, a read only memory, a flash memory, a transfer device, etc.), a magnetic storage medium (eg, a magnetic tape, a disk drive, etc.), an optical storage medium ( For example, a compact disc (CD)-ROM, a digital versatile disc (DVD)-ROM, a paper card, a paper tape, etc., and other well-known types of program memory; computer readable media storing computer-executable instructions, when executing instructions, Causeting at least one processor to perform the following operations:

The industry application server receives the contact mode acquisition request sent by the target GCSE application server, where the contact mode acquisition request includes the request identifier carried in the connection request, and the connection request is sent by the first terminal to the GCSE area bearer network corresponding to the target GCSE application server. The target GCSE application server is a GCSE application server that receives the connection request sent by the first terminal in the at least one GCSE application server; the industry application server acquires the contact information of the second terminal corresponding to the request identifier according to the request identifier The industry application server sends the contact information of the second terminal to the target GCSE application server; wherein the contact mode of the second terminal is used to establish a connection between the target GCSE application server and the second terminal.

A communication method based on the group communication support system GCSE provided by the embodiment of the present invention, the method is applied to a GCSE-based communication system, the GCSE-based communication system includes: an industry application server, at least one GCSE application server; and an industrial application server It is not directly connected to the GCSE area bearer network, but is connected to at least one GCSE application server. The industry application server centrally stores the correspondence between all request identifiers of the entire network and the terminal contact mode, and can be centralized and independent. The GCSE application server communicates with the UE through the GCSE regional bearer network. The GCSE application server receives the connection request carrying the request identifier from the industry application server when receiving the connection request sent by the first terminal. Obtaining the contact mode of the second terminal corresponding to the request, and establishing a connection with the second terminal, thereby completing the GCSE communication establishment process. In the embodiment of the present invention, the GCSE application server is responsible for the basic communication in the GCSE private network communication, and the industrial application server is responsible for Communicate with GCSE private network The industry-related application process in the industry implements the separation of the basic communication and the industrial application in the GCSE private network communication. When one or more GCSE area bearer networks are upgraded, only the GCSE area is needed. The GCSE application server corresponding to the domain bearer network performs the corresponding upgrade operation, and does not need to process the industrial application server for providing industrial information with industry characteristics, thereby saving the labor and material cost for upgrading and avoiding the GCSE-based private network. The coupling between the bearer network and the industry application in communication improves the scalability and maintainability of the system.

It can be noted here that the descriptions of the above-mentioned industrial application server and the GCSE application server embodiment are similar to the above description of the method, and have the same advantageous effects as the method embodiment, and therefore will not be described again. For the technical details that are not disclosed in the embodiments of the present invention, those skilled in the art can understand the description of the method embodiments of the present invention. For the sake of space saving, no further details are provided herein.

The embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, the computer executable instructions being implemented to implement the communication method based on the group communication support system GCSE.

It is to be understood that the phrase "one embodiment" or "an embodiment" or "an" Thus, "in one embodiment" or "in an embodiment" or "an" In addition, these particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It can be understood that, in various embodiments of the present invention, the size of the sequence numbers of the different processes does not mean the order of execution sequence, and the order of execution of different processes may be determined by its function and internal logic, and should not be taken by the embodiment of the present invention. The implementation process constitutes any qualification. The serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.

It is to be understood that the term "comprises", "comprising", or any other variants thereof, is intended to encompass a non-exclusive inclusion, such that a process, method, article, or device that comprises a plurality of elements includes those elements. It also includes other elements that are not explicitly listed, or elements that are inherent to such a process, method, article, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.

In the several embodiments provided by the present application, it can be understood that the disclosed apparatus and method can be implemented in other manners. The device embodiments described above may be merely exemplary. For example, the division of the unit may be only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined. Or can be integrated into another system, Or some features can be ignored or not executed. In addition, the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. .

The units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units; they may be located in one place or distributed on multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, the different functional units in the embodiment of the present invention may all be integrated into one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated into one unit; the above integration The unit can be implemented in the form of hardware or in the form of hardware plus software functional units.

It will be understood by those skilled in the art that all or part of the steps of implementing the foregoing method embodiments may be performed by hardware related to program instructions. The foregoing program may be stored in a computer readable storage medium, and when executed, the program includes The foregoing steps of the method embodiment; and the foregoing storage medium may include: a removable storage device, a read only memory (ROM), a magnetic disk, or an optical disk, and the like, which can store program codes.

Alternatively, the above-described integrated unit in the embodiment of the present invention may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a stand-alone product. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product, which is stored in a storage medium and includes a plurality of instructions for making A computer device (which may be a personal computer, server, or network device, etc.) performs all or part of the method of the embodiments of the present invention. The foregoing storage medium may include various media that can store program codes, such as a mobile storage device, a ROM, a magnetic disk, or an optical disk.

One of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described embodiments can be implemented using a computer program flow, which can be stored in a computer readable storage medium, such as on a corresponding hardware platform (eg, The system, device, device, device, processor, etc. are executed, and when executed, include one or a combination of the steps of the method embodiments.

Alternatively, all or part of the steps of the above embodiments may also be implemented using an integrated circuit. The steps may be separately fabricated into individual integrated circuit modules, or a plurality of modules or steps may be fabricated into a single integrated circuit module.

The devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.

When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium. The above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

A person skilled in the art can understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present application. The scope of protection of this application is defined by the scope defined by the claims.

Industrial applicability

A communication method and server based on a group communication support system GCSE provided by an embodiment of the present invention, the method is applied to a GCSE-based communication system, the GCSE-based communication system includes: an industry application server, at least one GCSE application server; and an industrial application The server is not directly connected to the GCSE area bearer network, but is connected to at least one GCSE application server. The industry application server centrally stores the correspondence between all request identifiers of the entire network and the terminal contact mode, and can be centralized, The GCSE application server communicates with the UE through the GCSE regional bearer network. The GCSE application server receives the connection request carrying the request identifier from the first terminal. The application server obtains the contact mode of the second terminal corresponding to the request, and establishes a connection with the second terminal, thereby completing the GCSE communication establishment process. In the embodiment of the present invention, the GCSE application server is responsible for the basic communication in the GCSE private network communication, and the industrial application. Server is responsible for GCSE The application process related to the industry application in the private network communication realizes the separation of the basic communication and the industrial application in the GCSE private network communication. When one or more GCSE area bearer networks are upgraded, it only needs to correspond to the GCSE area bearer network. The GCSE application server performs the corresponding upgrade operation, and does not need to process the industrial application server for providing industrial information with industry characteristics, thereby saving labor and material cost for upgrading, and avoiding bearer network based on GCSE private network communication. The coupling of industry applications improves the system's scalability and ease of maintenance.

Claims

A communication method based on a group communication support system GCSE is applied to a GCSE-based communication system; the GCSE-based communication system includes: an industry application server, at least one GCSE application server, and the at least one GCSE application server respectively An industrial application server connection; wherein the method comprises:

Receiving, by the industry application server, a contact obtaining request sent by the target GCSE application server, where the contact obtaining request includes a request identifier carried in the connection request, where the connection request is that the first terminal passes the target GCSE application server Corresponding GCSE area bearer network is sent to the target GCSE application server; the target GCSE application server is a GCSE application server that receives the connection request sent by the first terminal in the at least one GCSE application server;

And obtaining, by the industry application server, a contact manner of the second terminal corresponding to the request identifier according to the request identifier;

The industry application server sends the contact mode of the second terminal to the target GCSE application server, where the contact mode of the second terminal is used to establish a connection between the target GCSE application server and the second terminal.
The method of claim 1, wherein the industry application server obtains the contact information of the second terminal corresponding to the request identifier according to the request identifier, including:

The industry application server obtains, according to the first industry function identifier carried in the connection request, the contact information corresponding to the first industry function identifier from the correspondence between the pre-stored industry function identifier and the terminal contact mode. The contact information of the second terminal.
The method of claim 1, wherein the industry application server obtains the contact information of the second terminal corresponding to the request identifier according to the request identifier, including:

The contact information of the first geographical location identifier is obtained by the industry application server according to the first geographical location identifier carried in the connection request, and the correspondence between the pre-stored geographical location identifier and the terminal contact mode is The contact information of the second terminal.
A communication method based on a group communication support system GCSE, applied to a GCSE-based communication system; the GCSE-based communication system includes: an industry application server, at least one a GCSE application server, wherein the at least one GCSE application server is respectively connected to the industry application server; wherein the method comprises:

Receiving, by the GCSE application server, a connection request sent by the first terminal;

The GCSE application server sends a contact obtaining request to the industry application server, where the contact obtaining request includes a request identifier carried in the connection request, where the request identifier is used to obtain the industry application server Determining the contact information of the second terminal corresponding to the request identifier;

The GCSE application server receives the contact mode of the second terminal, and establishes a connection with the second terminal according to the contact manner of the second terminal.
The method of claim 4 wherein the request identification comprises an industry function identification and a geographic location identification.
An industry application server, disposed in a GCSE-based communication system; the GCSE-based communication system includes: one of the industry application servers, at least one GCSE application server, and the at least one GCSE application server and the industry application server respectively Connection; the industry application server includes:

The receiving module is configured to: receive a contact obtaining request sent by the target GCSE application server, where the contact obtaining request includes a request identifier carried in the connection request, where the connection request is that the first terminal passes the target GCSE application The GCSE area bearer network corresponding to the server is sent to the target GCSE application server; the target GCSE application server is a GCSE application server that receives the connection request sent by the first terminal in the at least one GCSE application server;

Obtaining a module, configured to: obtain, according to the request identifier, a contact manner of the second terminal corresponding to the request identifier;

a sending module, configured to: send a contact manner of the second terminal to the target GCSE application server, where a contact manner of the second terminal is used to establish a connection between the target GCSE application server and the second terminal .
The industrial application server according to claim 6, wherein the obtaining module is configured to:

And obtaining, according to the first industry function identifier carried in the connection request, a contact manner corresponding to the first industry function identifier from the pre-stored correspondence between the industry function identifier and the terminal contact mode, where the second terminal is Contact information.
The industrial application server according to claim 6, wherein the obtaining module is configured to:

And obtaining, according to the first geographical location identifier carried in the connection request, the contact information corresponding to the first geographical location identifier from the pre-stored correspondence between the geographical location identifier and the terminal contact mode, where the second terminal is Contact information.
A group communication support system GCSE application server is provided in a GCSE based communication system; the GCSE based communication system comprises: an industry application server, at least one GCSE application server, and the at least one GCSE application server respectively associated with the industry An application server connection; the GCSE application server includes:

The receiving module is configured to: receive a connection request sent by the first terminal;

The sending module is configured to send a contact obtaining request to the industry application server, where the contact obtaining request includes a request identifier carried in the connection request, where the request identifier is used to obtain the industry application server The request identifier corresponds to a contact manner of the second terminal;

The connection module is configured to: receive a contact mode of the second terminal, and establish a connection with the second terminal according to the contact manner of the second terminal.
The GCSE application server of claim 9, wherein the request identifier comprises an industry function identifier and a geographic location identifier.
A computer readable storage medium storing computer executable instructions that, when executed, implement a communication method based on a group communication support system GCSE as claimed in any one of claims 1 to 5.